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-rw-r--r--xlators/mgmt/glusterd/src/Makefile.am2
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-handler.c103
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-hooks.c2
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.c13
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-quota.c6
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-rpc-ops.c44
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-sm.c39
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-snapshot.c565
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-store.c498
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-store.h5
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c1648
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.h54
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volgen.c149
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volgen.h3
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volume-ops.c2
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volume-set.c34
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.c20
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.h12
18 files changed, 2483 insertions, 716 deletions
diff --git a/xlators/mgmt/glusterd/src/Makefile.am b/xlators/mgmt/glusterd/src/Makefile.am
index ac53e67..9b33edf 100644
--- a/xlators/mgmt/glusterd/src/Makefile.am
+++ b/xlators/mgmt/glusterd/src/Makefile.am
@@ -29,7 +29,7 @@ noinst_HEADERS = glusterd.h glusterd-utils.h glusterd-op-sm.h \
AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \
-I$(rpclibdir) -I$(CONTRIBDIR)/rbtree \
-I$(top_srcdir)/rpc/xdr/src -I$(top_srcdir)/rpc/rpc-lib/src \
- -I$(CONTRIBDIR)/uuid \
+ -I$(CONTRIBDIR)/uuid -I$(CONTRIBDIR)/mount \
-DSBIN_DIR=\"$(sbindir)\" -DDATADIR=\"$(localstatedir)\" \
-DGSYNCD_PREFIX=\"$(libexecdir)/glusterfs\"\
-DSYNCDAEMON_COMPILE=$(SYNCDAEMON_COMPILE) $(XML_CPPFLAGS)
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index b111d2e..e0373c7 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -3415,6 +3415,18 @@ set_probe_error_str (int op_ret, int op_errno, char *op_errstr, char *errstr,
"in this state");
break;
+ case GF_PROBE_MISSED_SNAP_CONFLICT:
+ snprintf (errstr, len, "Failed to update "
+ "list of missed snapshots from "
+ "peer %s", hostname);
+ break;
+
+ case GF_PROBE_SNAP_CONFLICT:
+ snprintf (errstr, len, "Conflict in comparing "
+ "list of snapshots from "
+ "peer %s", hostname);
+ break;
+
default:
snprintf (errstr, len, "Probe returned with "
"unknown errno %d", op_errno);
@@ -3902,6 +3914,52 @@ glusterd_handle_cli_clearlocks_volume (rpcsvc_request_t *req)
}
static int
+get_volinfo_from_brickid (char *brickid, glusterd_volinfo_t **volinfo)
+{
+ int ret = -1;
+ char *volid_str = NULL;
+ char *brick = NULL;
+ char *brickid_dup = NULL;
+ uuid_t volid = {0};
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (brickid);
+
+ brickid_dup = gf_strdup (brickid);
+ if (!brickid_dup)
+ goto out;
+
+ volid_str = brickid_dup;
+ brick = strchr (brickid_dup, ':');
+ if (!brick) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Invalid brickid");
+ goto out;
+ }
+
+ *brick = '\0';
+ brick++;
+ uuid_parse (volid_str, volid);
+ ret = glusterd_volinfo_find_by_volume_id (volid, volinfo);
+ if (ret) {
+ /* Check if it is a snapshot volume */
+ ret = glusterd_snap_volinfo_find_by_volume_id (volid, volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "Failed to find volinfo");
+ goto out;
+ }
+ }
+
+ ret = 0;
+out:
+ GF_FREE (brickid_dup);
+ return ret;
+}
+
+static int
get_brickinfo_from_brickid (char *brickid, glusterd_brickinfo_t **brickinfo)
{
glusterd_volinfo_t *volinfo = NULL;
@@ -3944,13 +4002,14 @@ out:
int
__glusterd_brick_rpc_notify (struct rpc_clnt *rpc, void *mydata,
- rpc_clnt_event_t event, void *data)
+ rpc_clnt_event_t event, void *data)
{
- xlator_t *this = NULL;
- glusterd_conf_t *conf = NULL;
- int ret = 0;
- char *brickid = NULL;
- glusterd_brickinfo_t *brickinfo = NULL;
+ char *brickid = NULL;
+ int ret = 0;
+ glusterd_conf_t *conf = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ xlator_t *this = NULL;
brickid = mydata;
if (!brickid)
@@ -3967,6 +4026,37 @@ __glusterd_brick_rpc_notify (struct rpc_clnt *rpc, void *mydata,
switch (event) {
case RPC_CLNT_CONNECT:
+ /* If a node on coming back up, already starts a brick
+ * before the handshake, and the notification comes after
+ * the handshake is done, then we need to check if this
+ * is a restored brick with a snapshot pending. If so, we
+ * need to stop the brick
+ */
+ if (brickinfo->snap_status == -1) {
+ gf_log (this->name, GF_LOG_INFO,
+ "Snapshot is pending on %s:%s. "
+ "Hence not starting the brick",
+ brickinfo->hostname,
+ brickinfo->path);
+ ret = get_volinfo_from_brickid (brickid, &volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to get volinfo from "
+ "brickid(%s)", brickid);
+ goto out;
+ }
+
+ ret = glusterd_brick_stop (volinfo, brickinfo,
+ _gf_false);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Unable to stop %s:%s",
+ brickinfo->hostname, brickinfo->path);
+ goto out;
+ }
+
+ break;
+ }
gf_log (this->name, GF_LOG_DEBUG, "Connected to %s:%s",
brickinfo->hostname, brickinfo->path);
glusterd_set_brick_status (brickinfo, GF_BRICK_STARTED);
@@ -3992,6 +4082,7 @@ __glusterd_brick_rpc_notify (struct rpc_clnt *rpc, void *mydata,
break;
}
+out:
return ret;
}
diff --git a/xlators/mgmt/glusterd/src/glusterd-hooks.c b/xlators/mgmt/glusterd/src/glusterd-hooks.c
index 352b6ba..78730a5 100644
--- a/xlators/mgmt/glusterd/src/glusterd-hooks.c
+++ b/xlators/mgmt/glusterd/src/glusterd-hooks.c
@@ -181,7 +181,7 @@ glusterd_hooks_set_volume_args (dict_t *dict, runner_t *runner)
goto out;
runner_add_arg (runner, "-o");
- for (i = 1; (ret == 0); i++) {
+ for (i = 1; ret == 0; i++) {
snprintf (query, sizeof (query), "key%d", i);
ret = dict_get_str (dict, query, &key);
if (ret)
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index fb5e097..9b130b4 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -1020,7 +1020,7 @@ glusterd_op_stage_reset_volume (dict_t *dict, char **op_errstr)
{
int ret = 0;
char *volname = NULL;
- gf_boolean_t exists = _gf_false;
+ int exists = 0;
char msg[2048] = {0};
char *key = NULL;
char *key_fixed = NULL;
@@ -1068,6 +1068,7 @@ glusterd_op_stage_reset_volume (dict_t *dict, char **op_errstr)
ret = -1;
goto out;
}
+
if (!exists) {
ret = snprintf (msg, sizeof (msg),
"Option %s does not exist", key);
@@ -1819,7 +1820,7 @@ glusterd_op_set_volume (dict_t *dict)
if (dict_count == 0) {
ret = glusterd_volset_help (NULL, &op_errstr);
if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "%s",
+ gf_log (this->name, GF_LOG_ERROR, "%s",
(op_errstr)? op_errstr:
"Volume set help internal error");
}
@@ -2081,12 +2082,12 @@ glusterd_op_sync_volume (dict_t *dict, char **op_errstr,
if (volname) {
ret = glusterd_add_volume_to_dict (volinfo, rsp_dict,
- 1);
+ 1, "volume");
vol_count = 1;
} else {
list_for_each_entry (volinfo, &priv->volumes, vol_list) {
- ret = glusterd_add_volume_to_dict (volinfo,
- rsp_dict, count);
+ ret = glusterd_add_volume_to_dict (volinfo, rsp_dict,
+ count, "volume");
if (ret)
goto out;
@@ -3262,7 +3263,7 @@ glusterd_is_get_op (xlator_t *this, glusterd_op_t op, dict_t *dict)
if (op == GD_OP_STATUS_VOLUME)
return _gf_true;
- if ((op == GD_OP_SET_VOLUME)) {
+ if (op == GD_OP_SET_VOLUME) {
//check for set volume help
ret = dict_get_str (dict, "volname", &volname);
if (volname &&
diff --git a/xlators/mgmt/glusterd/src/glusterd-quota.c b/xlators/mgmt/glusterd/src/glusterd-quota.c
index cf23b64..7f798ad 100644
--- a/xlators/mgmt/glusterd/src/glusterd-quota.c
+++ b/xlators/mgmt/glusterd/src/glusterd-quota.c
@@ -474,7 +474,7 @@ glusterd_set_quota_limit (char *volname, char *path, char *hard_limit,
new_limit.sl = hton64 (new_limit.sl);
- ret = gf_string2bytesize (hard_limit, (uint64_t*)&new_limit.hl);
+ ret = gf_string2bytesize_uint64 (hard_limit, (uint64_t*)&new_limit.hl);
if (ret)
goto out;
@@ -1400,13 +1400,13 @@ glusterd_op_stage_quota (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
"Faild to get hard-limit from dict");
goto out;
}
- ret = gf_string2bytesize (hard_limit_str, &hard_limit);
+ ret = gf_string2bytesize_uint64 (hard_limit_str, &hard_limit);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Failed to convert hard-limit string to value");
goto out;
}
- if (hard_limit > INT64_MAX) {
+ if (hard_limit > UINT64_MAX) {
ret = -1;
ret = gf_asprintf (op_errstr, "Hard-limit %s is greater"
" than %"PRId64"bytes. Please set a "
diff --git a/xlators/mgmt/glusterd/src/glusterd-rpc-ops.c b/xlators/mgmt/glusterd/src/glusterd-rpc-ops.c
index 27910d1..babd5a3 100644
--- a/xlators/mgmt/glusterd/src/glusterd-rpc-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-rpc-ops.c
@@ -1242,12 +1242,12 @@ int32_t
glusterd_rpc_friend_add (call_frame_t *frame, xlator_t *this,
void *data)
{
- gd1_mgmt_friend_req req = {{0},};
- int ret = 0;
- glusterd_peerinfo_t *peerinfo = NULL;
- glusterd_conf_t *priv = NULL;
- glusterd_friend_sm_event_t *event = NULL;
- dict_t *vols = NULL;
+ gd1_mgmt_friend_req req = {{0},};
+ int ret = 0;
+ glusterd_peerinfo_t *peerinfo = NULL;
+ glusterd_conf_t *priv = NULL;
+ glusterd_friend_sm_event_t *event = NULL;
+ dict_t *peer_data = NULL;
if (!frame || !this || !data) {
@@ -1262,15 +1262,37 @@ glusterd_rpc_friend_add (call_frame_t *frame, xlator_t *this,
peerinfo = event->peerinfo;
- ret = glusterd_build_volume_dict (&vols);
- if (ret)
+ ret = glusterd_add_volumes_to_export_dict (&peer_data);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to add list of volumes "
+ "in the peer_data dict for handshake");
goto out;
+ }
+
+ if (priv->op_version >= GD_OP_VERSION_4) {
+ ret = glusterd_add_missed_snaps_to_export_dict (peer_data);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to add list of missed snapshots "
+ "in the peer_data dict for handshake");
+ goto out;
+ }
+
+ ret = glusterd_add_snapshots_to_export_dict (peer_data);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to add list of snapshots "
+ "in the peer_data dict for handshake");
+ goto out;
+ }
+ }
uuid_copy (req.uuid, MY_UUID);
req.hostname = peerinfo->hostname;
req.port = peerinfo->port;
- ret = dict_allocate_and_serialize (vols, &req.vols.vols_val,
+ ret = dict_allocate_and_serialize (peer_data, &req.vols.vols_val,
&req.vols.vols_len);
if (ret)
goto out;
@@ -1284,8 +1306,8 @@ glusterd_rpc_friend_add (call_frame_t *frame, xlator_t *this,
out:
GF_FREE (req.vols.vols_val);
- if (vols)
- dict_unref (vols);
+ if (peer_data)
+ dict_unref (peer_data);
gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
return ret;
diff --git a/xlators/mgmt/glusterd/src/glusterd-sm.c b/xlators/mgmt/glusterd/src/glusterd-sm.c
index 3aaf359..7a8b2c9 100644
--- a/xlators/mgmt/glusterd/src/glusterd-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-sm.c
@@ -652,15 +652,14 @@ glusterd_ac_handle_friend_add_req (glusterd_friend_sm_event_t *event, void *ctx)
glusterd_friend_update_ctx_t *new_ev_ctx = NULL;
glusterd_friend_sm_event_t *new_event = NULL;
glusterd_friend_sm_event_type_t event_type = GD_FRIEND_EVENT_NONE;
+ glusterd_conf_t *conf = NULL;
int status = 0;
int32_t op_ret = -1;
int32_t op_errno = 0;
- xlator_t *this = NULL;
- glusterd_conf_t *priv = NULL;
+ xlator_t *this = NULL;
this = THIS;
- priv = this->private;
-
+ GF_ASSERT (this);
GF_ASSERT (ctx);
ev_ctx = ctx;
uuid_copy (uuid, ev_ctx->uuid);
@@ -668,6 +667,9 @@ glusterd_ac_handle_friend_add_req (glusterd_friend_sm_event_t *event, void *ctx)
GF_ASSERT (peerinfo);
uuid_copy (peerinfo->uuid, ev_ctx->uuid);
+ conf = this->private;
+ GF_ASSERT (conf);
+
//Build comparison logic here.
ret = glusterd_compare_friend_data (ev_ctx->vols, &status,
peerinfo->hostname);
@@ -683,6 +685,31 @@ glusterd_ac_handle_friend_add_req (glusterd_friend_sm_event_t *event, void *ctx)
op_ret = -1;
}
+ /* Compare missed_snapshot list with the peer *
+ * if volume comparison is successful */
+ if ((op_ret == 0) &&
+ (conf->op_version >= GD_OP_VERSION_4)) {
+ ret = glusterd_import_friend_missed_snap_list (ev_ctx->vols);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to import peer's "
+ "missed_snaps_list.");
+ event_type = GD_FRIEND_EVENT_LOCAL_RJT;
+ op_errno = GF_PROBE_MISSED_SNAP_CONFLICT;
+ op_ret = -1;
+ }
+
+ ret = glusterd_compare_friend_snapshots (ev_ctx->vols,
+ peerinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Conflict in comparing peer's snapshots");
+ event_type = GD_FRIEND_EVENT_LOCAL_RJT;
+ op_errno = GF_PROBE_SNAP_CONFLICT;
+ op_ret = -1;
+ }
+ }
+
ret = glusterd_friend_sm_new_event (event_type, &new_event);
if (ret) {
@@ -712,9 +739,9 @@ glusterd_ac_handle_friend_add_req (glusterd_friend_sm_event_t *event, void *ctx)
// apply a deterministic function to decide via whom we should join the cluster
if (strcmp(peerinfo->hostname, ev_ctx->hostname) > 0) {
- stop_etcd(priv->etcd_pid);
+ stop_etcd(conf->etcd_pid);
nuke_etcd_dir();
- priv->etcd_pid = start_etcd (uuid_utoa(MY_UUID), peerinfo->hostname);
+ conf->etcd_pid = start_etcd (uuid_utoa(MY_UUID), peerinfo->hostname);
}
out:
diff --git a/xlators/mgmt/glusterd/src/glusterd-snapshot.c b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
index d11abee..0e824a0 100644
--- a/xlators/mgmt/glusterd/src/glusterd-snapshot.c
+++ b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
@@ -18,6 +18,14 @@
#include <sys/resource.h>
#include <sys/statvfs.h>
#include <sys/mount.h>
+#include <signal.h>
+
+
+#if !defined(__NetBSD__) && !defined(GF_DARWIN_HOST_OS)
+#include <mntent.h>
+#else
+#include "mntent_compat.h"
+#endif
#include "globals.h"
#include "compat.h"
@@ -40,16 +48,70 @@
#include "cli1-xdr.h"
#include "xdr-generic.h"
-#ifdef GF_LINUX_HOST_OS
-#include <mntent.h>
-#endif
+#include "lvm-defaults.h"
char snap_mount_folder[PATH_MAX];
+/* Look for disconnected peers, for missed snap creates or deletes */
static int32_t
glusterd_find_missed_snap (dict_t *rsp_dict, glusterd_volinfo_t *vol,
- char *snap_uuid, struct list_head *peers,
- int32_t op);
+ struct list_head *peers, int32_t op)
+{
+ int32_t brick_count = -1;
+ int32_t ret = -1;
+ xlator_t *this = NULL;
+ glusterd_peerinfo_t *peerinfo = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (rsp_dict);
+ GF_ASSERT (peers);
+ GF_ASSERT (vol);
+
+ brick_count = 0;
+ list_for_each_entry (brickinfo, &vol->bricks, brick_list) {
+ if (!uuid_compare (brickinfo->uuid, MY_UUID)) {
+ /* If the brick belongs to the same node */
+ brick_count++;
+ continue;
+ }
+
+ list_for_each_entry (peerinfo, peers, uuid_list) {
+ if (uuid_compare (peerinfo->uuid, brickinfo->uuid)) {
+ /* If the brick doesnt belong to this peer */
+ continue;
+ }
+
+ /* Found peer who owns the brick, *
+ * if peer is not connected or not *
+ * friend add it to missed snap list */
+ if (!(peerinfo->connected) ||
+ (peerinfo->state.state !=
+ GD_FRIEND_STATE_BEFRIENDED)) {
+ ret = glusterd_add_missed_snaps_to_dict
+ (rsp_dict,
+ vol, brickinfo,
+ brick_count + 1,
+ op);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to add missed snapshot "
+ "info for %s:%s in the "
+ "rsp_dict", brickinfo->hostname,
+ brickinfo->path);
+ goto out;
+ }
+ }
+ }
+ brick_count++;
+ }
+
+ ret = 0;
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
/* This function will restore a snapshot volumes
*
@@ -62,7 +124,6 @@ int
glusterd_snapshot_restore (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
{
int ret = -1;
- char *volname = NULL;
char *snapname = NULL;
xlator_t *this = NULL;
glusterd_volinfo_t *snap_volinfo = NULL;
@@ -90,7 +151,7 @@ glusterd_snapshot_restore (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
snap = glusterd_find_snap_by_name (snapname);
if (NULL == snap) {
ret = gf_asprintf (op_errstr, "Snap (%s) not found",
- snapname);
+ snapname);
if (ret < 0) {
goto out;
}
@@ -99,6 +160,7 @@ glusterd_snapshot_restore (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
goto out;
}
+
/* TODO : As of now there is only volume in snapshot.
* Change this when multiple volume snapshot is introduced
*/
@@ -116,7 +178,6 @@ glusterd_snapshot_restore (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
/* From origin glusterd check if *
* any peers with snap bricks is down */
ret = glusterd_find_missed_snap (rsp_dict, snap_volinfo,
- snap_volinfo->volname,
&priv->peers,
GF_SNAP_OPTION_TYPE_RESTORE);
if (ret) {
@@ -133,7 +194,7 @@ glusterd_snapshot_restore (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
* failure.
*/
gf_log (this->name, GF_LOG_ERROR, "Failed to restore "
- "snap for %s volume", volname);
+ "snap for %s", snapname);
goto out;
}
@@ -156,7 +217,7 @@ out:
* @param rsp_dict response dictionary
* @return Negative value on Failure and 0 in success
*/
-int
+int32_t
glusterd_snapshot_restore_prevalidate (dict_t *dict, char **op_errstr,
dict_t *rsp_dict)
{
@@ -267,7 +328,7 @@ out:
int
snap_max_hard_limits_validate (dict_t *dict, char *volname,
- uint64_t value, char **op_errstr)
+ uint64_t value, char **op_errstr)
{
char err_str[PATH_MAX] = "";
glusterd_conf_t *conf = NULL;
@@ -449,7 +510,7 @@ glusterd_snap_create_pre_val_use_rsp_dict (dict_t *dst, dict_t *src)
for (i = 0; i < volume_count; i++) {
memset (snapbrckcnt, '\0', sizeof(snapbrckcnt));
ret = snprintf (snapbrckcnt, sizeof(snapbrckcnt) - 1,
- "vol%ld_brickcount", i+1);
+ "vol%"PRId64"_brickcount", i+1);
ret = dict_get_int64 (src, snapbrckcnt, &brick_count);
if (ret) {
gf_log (this->name, GF_LOG_TRACE,
@@ -460,7 +521,7 @@ glusterd_snap_create_pre_val_use_rsp_dict (dict_t *dst, dict_t *src)
for (j = 0; j < brick_count; j++) {
/* Fetching data from source dict */
snprintf (key, sizeof(key) - 1,
- "vol%ld.brickdir%ld", i+1, j);
+ "vol%"PRId64".brickdir%"PRId64, i+1, j);
ret = dict_get_ptr (src, key,
(void **)&snap_brick_dir);
@@ -471,7 +532,7 @@ glusterd_snap_create_pre_val_use_rsp_dict (dict_t *dst, dict_t *src)
}
snprintf (key, sizeof(key) - 1,
- "vol%ld.brick_snapdevice%ld", i+1, j);
+ "vol%"PRId64".brick_snapdevice%"PRId64, i+1, j);
ret = dict_get_ptr (src, key,
(void **)&snap_device);
@@ -482,7 +543,7 @@ glusterd_snap_create_pre_val_use_rsp_dict (dict_t *dst, dict_t *src)
}
snprintf (snapbrckord, sizeof(snapbrckord) - 1,
- "vol%ld.brick%ld.order", i+1, j);
+ "vol%"PRId64".brick%"PRId64".order", i+1, j);
ret = dict_get_int64 (src, snapbrckord, &brick_order);
if (ret) {
@@ -493,7 +554,7 @@ glusterd_snap_create_pre_val_use_rsp_dict (dict_t *dst, dict_t *src)
/* Adding the data in the dst dict */
snprintf (key, sizeof(key) - 1,
- "vol%ld.brickdir%ld", i+1, brick_order);
+ "vol%"PRId64".brickdir%"PRId64, i+1, brick_order);
tmpstr = gf_strdup (snap_brick_dir);
if (!tmpstr) {
@@ -511,7 +572,7 @@ glusterd_snap_create_pre_val_use_rsp_dict (dict_t *dst, dict_t *src)
}
snprintf (key, sizeof(key) - 1,
- "vol%ld.brick_snapdevice%ld",
+ "vol%"PRId64".brick_snapdevice%"PRId64,
i+1, brick_order);
tmpstr = gf_strdup (snap_device);
@@ -618,8 +679,8 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
goto out;
}
if (volcount <= 0) {
- snprintf (err_str, sizeof (err_str), "Invalid volume count %ld "
- "supplied", volcount);
+ snprintf (err_str, sizeof (err_str), "Invalid volume count %"PRId64
+ " supplied", volcount);
ret = -1;
goto out;
}
@@ -638,7 +699,7 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
}
for (i = 1; i <= volcount; i++) {
- snprintf (key, sizeof (key), "volname%ld", i);
+ snprintf (key, sizeof (key), "volname%"PRId64, i);
ret = dict_get_str (dict, key, &volname);
if (ret) {
snprintf (err_str, sizeof (err_str),
@@ -690,7 +751,7 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
goto out;
}
- snprintf (key, sizeof(key) - 1, "vol%ld_volid", i);
+ snprintf (key, sizeof(key) - 1, "vol%"PRId64"_volid", i);
ret = dict_get_bin (dict, key, (void **)&snap_volid);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
@@ -745,7 +806,7 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
}
snprintf (key, sizeof(key),
- "vol%ld.brick_snapdevice%ld", i,
+ "vol%"PRId64".brick_snapdevice%"PRId64, i,
brick_count);
ret = dict_set_dynstr (rsp_dict, key, device);
if (ret) {
@@ -783,7 +844,7 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
ret = -1;
goto out;
}
- snprintf (key, sizeof(key), "vol%ld.brickdir%ld", i,
+ snprintf (key, sizeof(key), "vol%"PRId64".brickdir%"PRId64, i,
brick_count);
ret = dict_set_dynstr (rsp_dict, key, tmpstr);
if (ret) {
@@ -793,7 +854,7 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
}
tmpstr = NULL;
- snprintf (key, sizeof(key) - 1, "vol%ld.brick%ld.order",
+ snprintf (key, sizeof(key) - 1, "vol%"PRId64".brick%"PRId64".order",
i, brick_count);
ret = dict_set_int64 (rsp_dict, key, brick_order);
if (ret) {
@@ -805,7 +866,7 @@ glusterd_snapshot_create_prevalidate (dict_t *dict, char **op_errstr,
brick_count++;
brick_order++;
}
- snprintf (key, sizeof(key) - 1, "vol%ld_brickcount", i);
+ snprintf (key, sizeof(key) - 1, "vol%"PRId64"_brickcount", i);
ret = dict_set_int64 (rsp_dict, key, brick_count);
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Failed to set %s",
@@ -1002,7 +1063,7 @@ glusterd_do_lvm_snapshot_remove (glusterd_volinfo_t *snap_vol,
snprintf (msg, sizeof(msg), "remove snapshot of the brick %s:%s, "
"device: %s", brickinfo->hostname, brickinfo->path,
snap_device);
- runner_add_args (&runner, "/sbin/lvremove", "-f", snap_device, NULL);
+ runner_add_args (&runner, LVM_REMOVE, "-f", snap_device, NULL);
runner_log (&runner, "", GF_LOG_DEBUG, msg);
ret = runner_run (&runner);
@@ -1030,19 +1091,25 @@ glusterd_lvm_snapshot_remove (dict_t *rsp_dict, glusterd_volinfo_t *snap_vol)
this = THIS;
GF_ASSERT (this);
- GF_ASSERT (rsp_dict);
GF_ASSERT (snap_vol);
- if (!snap_vol) {
- gf_log (this->name, GF_LOG_ERROR, "snap volinfo is NULL");
+ if ((snap_vol->is_snap_volume == _gf_false) &&
+ (uuid_is_null (snap_vol->restored_from_snap))) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Not a snap volume, or a restored snap volume.");
+ ret = 0;
goto out;
}
brick_count = -1;
list_for_each_entry (brickinfo, &snap_vol->bricks, brick_list) {
brick_count++;
- if (uuid_compare (brickinfo->uuid, MY_UUID))
+ if (uuid_compare (brickinfo->uuid, MY_UUID)) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s:%s belongs to a different node",
+ brickinfo->hostname, brickinfo->path);
continue;
+ }
if (brickinfo->snap_status == -1) {
gf_log (this->name, GF_LOG_INFO,
@@ -1051,20 +1118,23 @@ glusterd_lvm_snapshot_remove (dict_t *rsp_dict, glusterd_volinfo_t *snap_vol)
brickinfo->hostname, brickinfo->path,
snap_vol->snapshot->snapname);
- /* Adding missed delete to the dict */
- ret = glusterd_add_missed_snaps_to_dict
+ if (rsp_dict &&
+ (snap_vol->is_snap_volume == _gf_true)) {
+ /* Adding missed delete to the dict */
+ ret = glusterd_add_missed_snaps_to_dict
(rsp_dict,
- snap_vol->volname,
+ snap_vol,
brickinfo,
brick_count + 1,
GF_SNAP_OPTION_TYPE_DELETE);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "Failed to add missed snapshot info "
- "for %s:%s in the rsp_dict",
- brickinfo->hostname,
- brickinfo->path);
- goto out;
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to add missed snapshot "
+ "info for %s:%s in the "
+ "rsp_dict", brickinfo->hostname,
+ brickinfo->path);
+ goto out;
+ }
}
continue;
@@ -1104,6 +1174,7 @@ glusterd_lvm_snapshot_remove (dict_t *rsp_dict, glusterd_volinfo_t *snap_vol)
ret = 0;
out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
return ret;
}
@@ -2047,8 +2118,8 @@ glusterd_handle_snapshot_create (rpcsvc_request_t *req, glusterd_op_t op,
goto out;
}
if (volcount <= 0) {
- gf_log (this->name, GF_LOG_ERROR, "Invalid volume count %ld "
- "supplied", volcount);
+ gf_log (this->name, GF_LOG_ERROR, "Invalid volume count %"PRId64
+ " supplied", volcount);
ret = -1;
goto out;
}
@@ -2476,7 +2547,7 @@ glusterd_create_snap_object (dict_t *dict, dict_t *rsp_dict)
}
if (time_stamp <= 0) {
ret = -1;
- gf_log (this->name, GF_LOG_ERROR, "Invalid time-stamp: %ld",
+ gf_log (this->name, GF_LOG_ERROR, "Invalid time-stamp: %"PRId64,
time_stamp);
goto out;
}
@@ -2550,11 +2621,12 @@ out:
/* Added missed_snap_entry to rsp_dict */
int32_t
-glusterd_add_missed_snaps_to_dict (dict_t *rsp_dict, char *snap_uuid,
+glusterd_add_missed_snaps_to_dict (dict_t *rsp_dict,
+ glusterd_volinfo_t *snap_vol,
glusterd_brickinfo_t *brickinfo,
int32_t brick_number, int32_t op)
{
- char *buf = NULL;
+ char *snap_uuid = NULL;
char missed_snap_entry[PATH_MAX] = "";
char name_buf[PATH_MAX] = "";
int32_t missed_snap_count = -1;
@@ -2564,20 +2636,20 @@ glusterd_add_missed_snaps_to_dict (dict_t *rsp_dict, char *snap_uuid,
this = THIS;
GF_ASSERT (this);
GF_ASSERT (rsp_dict);
- GF_ASSERT (snap_uuid);
+ GF_ASSERT (snap_vol);
GF_ASSERT (brickinfo);
- snprintf (missed_snap_entry, sizeof(missed_snap_entry),
- "%s:%s=%d:%s:%d:%d", uuid_utoa(brickinfo->uuid),
- snap_uuid, brick_number, brickinfo->path, op,
- GD_MISSED_SNAP_PENDING);
-
- buf = gf_strdup (missed_snap_entry);
- if (!buf) {
+ snap_uuid = gf_strdup (uuid_utoa (snap_vol->snapshot->snap_id));
+ if (!snap_uuid) {
ret = -1;
goto out;
}
+ snprintf (missed_snap_entry, sizeof(missed_snap_entry),
+ "%s:%s=%s:%d:%s:%d:%d", uuid_utoa(brickinfo->uuid),
+ snap_uuid, snap_vol->volname, brick_number, brickinfo->path,
+ op, GD_MISSED_SNAP_PENDING);
+
/* Fetch the missed_snap_count from the dict */
ret = dict_get_int32 (rsp_dict, "missed_snap_count",
&missed_snap_count);
@@ -2589,12 +2661,12 @@ glusterd_add_missed_snaps_to_dict (dict_t *rsp_dict, char *snap_uuid,
/* Setting the missed_snap_entry in the rsp_dict */
snprintf (name_buf, sizeof(name_buf), "missed_snaps_%d",
missed_snap_count);
- ret = dict_set_dynstr (rsp_dict, name_buf, buf);
+ ret = dict_set_dynstr_with_alloc (rsp_dict, name_buf,
+ missed_snap_entry);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Failed to set missed_snap_entry (%s) "
- "in the rsp_dict.", buf);
- GF_FREE (buf);
+ "in the rsp_dict.", missed_snap_entry);
goto out;
}
missed_snap_count++;
@@ -2610,6 +2682,9 @@ glusterd_add_missed_snaps_to_dict (dict_t *rsp_dict, char *snap_uuid,
}
out:
+ if (snap_uuid)
+ GF_FREE (snap_uuid);
+
gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
return ret;
}
@@ -2715,7 +2790,7 @@ glusterd_take_lvm_snapshot (glusterd_volinfo_t *snap_vol,
/* Figuring out if setactivationskip flag is supported or not */
runinit (&runner);
snprintf (msg, sizeof (msg), "running lvcreate help");
- runner_add_args (&runner, "/sbin/lvcreate", "--help", NULL);
+ runner_add_args (&runner, LVM_CREATE, "--help", NULL);
runner_log (&runner, "", GF_LOG_DEBUG, msg);
runner_redir (&runner, STDOUT_FILENO, RUN_PIPE);
ret = runner_start (&runner);
@@ -2744,11 +2819,11 @@ glusterd_take_lvm_snapshot (glusterd_volinfo_t *snap_vol,
snprintf (msg, sizeof (msg), "taking snapshot of the brick %s:%s",
brickinfo->hostname, brickinfo->path);
if (match == _gf_true)
- runner_add_args (&runner, "/sbin/lvcreate", "-s", device,
+ runner_add_args (&runner, LVM_CREATE, "-s", device,
"--setactivationskip", "n", "--name",
snap_vol->volname, NULL);
else
- runner_add_args (&runner, "/sbin/lvcreate", "-s", device,
+ runner_add_args (&runner, LVM_CREATE, "-s", device,
"--name", snap_vol->volname, NULL);
runner_log (&runner, "", GF_LOG_DEBUG, msg);
ret = runner_start (&runner);
@@ -2785,9 +2860,7 @@ glusterd_snap_brick_create (char *device, glusterd_volinfo_t *snap_volinfo,
glusterd_conf_t *priv = NULL;
char snap_brick_mount_path[PATH_MAX] = "";
char snap_brick_path[PATH_MAX] = "";
- char msg[1024] = "";
struct stat statbuf = {0, };
- runner_t runner = {0, };
this = THIS;
priv = this->private;
@@ -2818,25 +2891,12 @@ glusterd_snap_brick_create (char *device, glusterd_volinfo_t *snap_volinfo,
MS_MGC_VAL, "nouuid");
But for now, mounting using runner apis.
*/
- runinit (&runner);
- snprintf (msg, sizeof (msg), "mounting snapshot of the brick %s:%s",
- original_brickinfo->hostname, original_brickinfo->path);
- runner_add_args (&runner, "mount", "-o", "nouuid", device,
- snap_brick_mount_path, NULL);
- runner_log (&runner, "", GF_LOG_DEBUG, msg);
-
- /* let glusterd get blocked till snapshot is over */
- synclock_unlock (&priv->big_lock);
- ret = runner_run (&runner);
- synclock_lock (&priv->big_lock);
+ ret = glusterd_mount_lvm_snapshot (device, snap_brick_mount_path);
if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "mounting the snapshot "
- "logical device %s failed (error: %s)", device,
- strerror (errno));
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to mount lvm snapshot.");
goto out;
- } else
- gf_log (this->name, GF_LOG_DEBUG, "mounting the snapshot "
- "logical device %s successful", device);
+ }
ret = stat (snap_brick_path, &statbuf);
if (ret) {
@@ -2862,7 +2922,11 @@ out:
if (ret) {
gf_log (this->name, GF_LOG_WARNING, "unmounting the snap brick"
" mount %s", snap_brick_mount_path);
+#if !defined(GF_DARWIN_HOST_OS)
umount (snap_brick_mount_path);
+#else
+ unmount (snap_brick_mount_path, 0);
+#endif
}
gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
@@ -2893,7 +2957,7 @@ glusterd_add_bricks_to_snap_volume (dict_t *dict, dict_t *rsp_dict,
GF_ASSERT (snap_brickinfo);
GF_ASSERT (snap_brick_dir);
- snprintf (key, sizeof(key) - 1, "vol%ld.brickdir%d", volcount,
+ snprintf (key, sizeof(key) - 1, "vol%"PRId64".brickdir%d", volcount,
brick_count);
ret = dict_get_ptr (dict, key, (void **)snap_brick_dir);
if (ret) {
@@ -2938,7 +3002,7 @@ glusterd_add_bricks_to_snap_volume (dict_t *dict, dict_t *rsp_dict,
if (add_missed_snap) {
ret = glusterd_add_missed_snaps_to_dict (rsp_dict,
- snap_vol->volname,
+ snap_vol,
original_brickinfo,
brick_count + 1,
GF_SNAP_OPTION_TYPE_CREATE);
@@ -2951,7 +3015,7 @@ glusterd_add_bricks_to_snap_volume (dict_t *dict, dict_t *rsp_dict,
}
}
- snprintf (key, sizeof(key), "vol%ld.brick_snapdevice%d",
+ snprintf (key, sizeof(key), "vol%"PRId64".brick_snapdevice%d",
volcount, brick_count);
ret = dict_get_ptr (dict, key, (void **)&snap_device);
if (ret) {
@@ -3038,70 +3102,6 @@ out:
return ret;
}
-/* Look for disconnected peers, for missed snap creates or deletes */
-static int32_t
-glusterd_find_missed_snap (dict_t *rsp_dict, glusterd_volinfo_t *vol,
- char *snap_uuid, struct list_head *peers,
- int32_t op)
-{
- int32_t brick_count = -1;
- int32_t ret = -1;
- xlator_t *this = NULL;
- glusterd_peerinfo_t *peerinfo = NULL;
- glusterd_brickinfo_t *brickinfo = NULL;
-
- this = THIS;
- GF_ASSERT (this);
- GF_ASSERT (rsp_dict);
- GF_ASSERT (peers);
- GF_ASSERT (vol);
- GF_ASSERT (snap_uuid);
-
- brick_count = 0;
- list_for_each_entry (brickinfo, &vol->bricks, brick_list) {
- if (!uuid_compare (brickinfo->uuid, MY_UUID)) {
- /* If the brick belongs to the same node */
- brick_count++;
- continue;
- }
-
- list_for_each_entry (peerinfo, peers, uuid_list) {
- if (uuid_compare (peerinfo->uuid, brickinfo->uuid)) {
- /* If the brick doesnt belong to this peer */
- continue;
- }
-
- /* Found peer who owns the brick, *
- * if peer is not connected or not *
- * friend add it to missed snap list */
- if (!(peerinfo->connected) ||
- (peerinfo->state.state !=
- GD_FRIEND_STATE_BEFRIENDED)) {
- ret = glusterd_add_missed_snaps_to_dict
- (rsp_dict,
- snap_uuid,
- brickinfo,
- brick_count + 1,
- op);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "Failed to add missed snapshot "
- "info for %s:%s in the "
- "rsp_dict", brickinfo->hostname,
- brickinfo->path);
- goto out;
- }
- }
- }
- brick_count++;
- }
-
- ret = 0;
-out:
- gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
- return ret;
-}
-
glusterd_volinfo_t *
glusterd_do_snap_vol (glusterd_volinfo_t *origin_vol, glusterd_snap_t *snap,
dict_t *dict, dict_t *rsp_dict, int64_t volcount)
@@ -3129,7 +3129,7 @@ glusterd_do_snap_vol (glusterd_volinfo_t *origin_vol, glusterd_snap_t *snap,
GF_ASSERT (rsp_dict);
/* fetch username, password and vol_id from dict*/
- snprintf (key, sizeof(key), "volume%ld_username", volcount);
+ snprintf (key, sizeof(key), "volume%"PRId64"_username", volcount);
ret = dict_get_str (dict, key, &username);
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Failed to get %s for "
@@ -3137,7 +3137,7 @@ glusterd_do_snap_vol (glusterd_volinfo_t *origin_vol, glusterd_snap_t *snap,
goto out;
}
- snprintf (key, sizeof(key), "volume%ld_password", volcount);
+ snprintf (key, sizeof(key), "volume%"PRId64"_password", volcount);
ret = dict_get_str (dict, key, &password);
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Failed to get %s for "
@@ -3145,7 +3145,7 @@ glusterd_do_snap_vol (glusterd_volinfo_t *origin_vol, glusterd_snap_t *snap,
goto out;
}
- snprintf (key, sizeof(key) - 1, "vol%ld_volid", volcount);
+ snprintf (key, sizeof(key) - 1, "vol%"PRId64"_volid", volcount);
ret = dict_get_bin (dict, key, (void **)&snap_volid);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
@@ -3367,7 +3367,7 @@ glusterd_handle_snapshot_remove (rpcsvc_request_t *req, glusterd_op_t op,
goto out;
}
- snprintf (key, sizeof (key), "volname%ld", volcount);
+ snprintf (key, sizeof (key), "volname%"PRId64, volcount);
ret = dict_set_dynstr (dict, key, volname);
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Failed to set "
@@ -3582,7 +3582,6 @@ glusterd_snapshot_remove_commit (dict_t *dict, char **op_errstr,
/* From origin glusterd check if *
* any peers with snap bricks is down */
ret = glusterd_find_missed_snap (rsp_dict, snap_volinfo,
- snap_volinfo->volname,
&priv->peers,
GF_SNAP_OPTION_TYPE_DELETE);
if (ret) {
@@ -3697,7 +3696,14 @@ glusterd_snapshot_update_snaps_post_validate (dict_t *dict, char **op_errstr,
goto out;
}
- ret = glusterd_store_update_missed_snaps (dict, missed_snap_count);
+ ret = glusterd_add_missed_snaps_to_list (dict, missed_snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to add missed snaps to list");
+ goto out;
+ }
+
+ ret = glusterd_store_update_missed_snaps ();
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Failed to update missed_snaps_list");
@@ -3771,7 +3777,7 @@ glusterd_snapshot_create_commit (dict_t *dict, char **op_errstr,
}
for (i = 1; i <= volcount; i++) {
- snprintf (key, sizeof (key), "volname%ld", i);
+ snprintf (key, sizeof (key), "volname%"PRId64, i);
ret = dict_get_str (dict, key, &volname);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
@@ -3922,7 +3928,7 @@ snap_max_limits_display_commit (dict_t *rsp_dict, char *volname,
soft_limit_value = (active_hard_limit *
conf->snap_max_soft_limit) / 100;
- snprintf (buf, sizeof(buf), "volume%ld-volname", count);
+ snprintf (buf, sizeof(buf), "volume%"PRIu64"-volname", count);
ret = dict_set_str (rsp_dict, buf, volinfo->volname);
if (ret) {
snprintf (err_str, PATH_MAX,
@@ -3931,7 +3937,7 @@ snap_max_limits_display_commit (dict_t *rsp_dict, char *volname,
}
snprintf (buf, sizeof(buf),
- "volume%ld-snap-max-hard-limit", count);
+ "volume%"PRIu64"-snap-max-hard-limit", count);
ret = dict_set_uint64 (rsp_dict, buf, snap_max_limit);
if (ret) {
snprintf (err_str, PATH_MAX,
@@ -3940,7 +3946,7 @@ snap_max_limits_display_commit (dict_t *rsp_dict, char *volname,
}
snprintf (buf, sizeof(buf),
- "volume%ld-active-hard-limit", count);
+ "volume%"PRIu64"-active-hard-limit", count);
ret = dict_set_uint64 (rsp_dict, buf,
active_hard_limit);
if (ret) {
@@ -3950,7 +3956,7 @@ snap_max_limits_display_commit (dict_t *rsp_dict, char *volname,
}
snprintf (buf, sizeof(buf),
- "volume%ld-snap-max-soft-limit", count);
+ "volume%"PRIu64"-snap-max-soft-limit", count);
ret = dict_set_uint64 (rsp_dict, buf, soft_limit_value);
if (ret) {
snprintf (err_str, PATH_MAX,
@@ -3984,7 +3990,7 @@ snap_max_limits_display_commit (dict_t *rsp_dict, char *volname,
soft_limit_value = (active_hard_limit *
conf->snap_max_soft_limit) / 100;
- snprintf (buf, sizeof(buf), "volume%ld-volname", count);
+ snprintf (buf, sizeof(buf), "volume%"PRIu64"-volname", count);
ret = dict_set_str (rsp_dict, buf, volinfo->volname);
if (ret) {
snprintf (err_str, PATH_MAX,
@@ -3993,7 +3999,7 @@ snap_max_limits_display_commit (dict_t *rsp_dict, char *volname,
}
snprintf (buf, sizeof(buf),
- "volume%ld-snap-max-hard-limit", count);
+ "volume%"PRIu64"-snap-max-hard-limit", count);
ret = dict_set_uint64 (rsp_dict, buf, snap_max_limit);
if (ret) {
snprintf (err_str, PATH_MAX,
@@ -4002,7 +4008,7 @@ snap_max_limits_display_commit (dict_t *rsp_dict, char *volname,
}
snprintf (buf, sizeof(buf),
- "volume%ld-active-hard-limit", count);
+ "volume%"PRIu64"-active-hard-limit", count);
ret = dict_set_uint64 (rsp_dict, buf, active_hard_limit);
if (ret) {
snprintf (err_str, PATH_MAX,
@@ -4011,7 +4017,7 @@ snap_max_limits_display_commit (dict_t *rsp_dict, char *volname,
}
snprintf (buf, sizeof(buf),
- "volume%ld-snap-max-soft-limit", count);
+ "volume%"PRIu64"-snap-max-soft-limit", count);
ret = dict_set_uint64 (rsp_dict, buf, soft_limit_value);
if (ret) {
snprintf (err_str, PATH_MAX,
@@ -4196,7 +4202,7 @@ glusterd_get_brick_lvm_details (dict_t *rsp_dict,
* for the above given command with separator ":",
* The output will be "vgname:lvsize"
*/
- runner_add_args (&runner, "lvs", device, "--noheading", "-o",
+ runner_add_args (&runner, LVS, device, "--noheading", "-o",
"vg_name,data_percent,lv_size",
"--separator", ":", NULL);
runner_redir (&runner, STDOUT_FILENO, RUN_PIPE);
@@ -5320,6 +5326,30 @@ glusterd_free_snap_op (glusterd_snap_op_t *snap_op)
}
}
+static inline void
+glusterd_free_missed_snapinfo (glusterd_missed_snap_info *missed_snapinfo)
+{
+ glusterd_snap_op_t *snap_opinfo = NULL;
+ glusterd_snap_op_t *tmp = NULL;
+
+ if (missed_snapinfo) {
+ list_for_each_entry_safe (snap_opinfo, tmp,
+ &missed_snapinfo->snap_ops,
+ snap_ops_list) {
+ glusterd_free_snap_op (snap_opinfo);
+ snap_opinfo = NULL;
+ }
+
+ if (missed_snapinfo->node_uuid)
+ GF_FREE (missed_snapinfo->node_uuid);
+
+ if (missed_snapinfo->snap_uuid)
+ GF_FREE (missed_snapinfo->snap_uuid);
+
+ GF_FREE (missed_snapinfo);
+ }
+}
+
/* Look for duplicates and accordingly update the list */
int32_t
glusterd_update_missed_snap_entry (glusterd_missed_snap_info *missed_snapinfo,
@@ -5337,6 +5367,13 @@ glusterd_update_missed_snap_entry (glusterd_missed_snap_info *missed_snapinfo,
list_for_each_entry (snap_opinfo, &missed_snapinfo->snap_ops,
snap_ops_list) {
+ /* If the entry is not for the same snap_vol_id
+ * then continue
+ */
+ if (strcmp (snap_opinfo->snap_vol_id,
+ missed_snap_op->snap_vol_id))
+ continue;
+
if ((!strcmp (snap_opinfo->brick_path,
missed_snap_op->brick_path)) &&
(snap_opinfo->op == missed_snap_op->op)) {
@@ -5348,8 +5385,10 @@ glusterd_update_missed_snap_entry (glusterd_missed_snap_info *missed_snapinfo,
snap_opinfo->status = GD_MISSED_SNAP_DONE;
gf_log (this->name, GF_LOG_INFO,
"Updating missed snap status "
- "for %s:%d:%s:%d as DONE",
- missed_snapinfo->node_snap_info,
+ "for %s:%s=%s:%d:%s:%d as DONE",
+ missed_snapinfo->node_uuid,
+ missed_snapinfo->snap_uuid,
+ snap_opinfo->snap_vol_id,
snap_opinfo->brick_num,
snap_opinfo->brick_path,
snap_opinfo->op);
@@ -5362,15 +5401,19 @@ glusterd_update_missed_snap_entry (glusterd_missed_snap_info *missed_snapinfo,
} else if ((snap_opinfo->brick_num ==
missed_snap_op->brick_num) &&
(snap_opinfo->op == GF_SNAP_OPTION_TYPE_CREATE) &&
- (missed_snap_op->op ==
- GF_SNAP_OPTION_TYPE_DELETE)) {
+ ((missed_snap_op->op ==
+ GF_SNAP_OPTION_TYPE_DELETE) ||
+ (missed_snap_op->op ==
+ GF_SNAP_OPTION_TYPE_RESTORE))) {
/* Optimizing create and delete entries for the same
* brick and same node
*/
gf_log (this->name, GF_LOG_INFO,
"Updating missed snap status "
- "for %s:%d:%s:%d as DONE",
- missed_snapinfo->node_snap_info,
+ "for %s:%s=%s:%d:%s:%d as DONE",
+ missed_snapinfo->node_uuid,
+ missed_snapinfo->snap_uuid,
+ snap_opinfo->snap_vol_id,
snap_opinfo->brick_num,
snap_opinfo->brick_path,
snap_opinfo->op);
@@ -5398,10 +5441,13 @@ out:
/* Add new missed snap entry to the missed_snaps list. */
int32_t
-glusterd_store_missed_snaps_list (char *missed_info, int32_t brick_num,
- char *brick_path, int32_t snap_op,
- int32_t snap_status)
+glusterd_add_new_entry_to_list (char *missed_info, char *snap_vol_id,
+ int32_t brick_num, char *brick_path,
+ int32_t snap_op, int32_t snap_status)
{
+ char *buf = NULL;
+ char *save_ptr = NULL;
+ char node_snap_info[PATH_MAX] = "";
int32_t ret = -1;
glusterd_missed_snap_info *missed_snapinfo = NULL;
glusterd_snap_op_t *missed_snap_op = NULL;
@@ -5413,6 +5459,7 @@ glusterd_store_missed_snaps_list (char *missed_info, int32_t brick_num,
this = THIS;
GF_ASSERT(this);
GF_ASSERT(missed_info);
+ GF_ASSERT(snap_vol_id);
GF_ASSERT(brick_path);
priv = this->private;
@@ -5428,6 +5475,11 @@ glusterd_store_missed_snaps_list (char *missed_info, int32_t brick_num,
goto out;
}
+ missed_snap_op->snap_vol_id = gf_strdup(snap_vol_id);
+ if (!missed_snap_op->snap_vol_id) {
+ ret = -1;
+ goto out;
+ }
missed_snap_op->brick_path = gf_strdup(brick_path);
if (!missed_snap_op->brick_path) {
ret = -1;
@@ -5440,8 +5492,10 @@ glusterd_store_missed_snaps_list (char *missed_info, int32_t brick_num,
/* Look for other entries for the same node and same snap */
list_for_each_entry (missed_snapinfo, &priv->missed_snaps_list,
missed_snaps) {
- if (!strcmp (missed_snapinfo->node_snap_info,
- missed_info)) {
+ snprintf (node_snap_info, sizeof(node_snap_info),
+ "%s:%s", missed_snapinfo->node_uuid,
+ missed_snapinfo->snap_uuid);
+ if (!strcmp (node_snap_info, missed_info)) {
/* Found missed snapshot info for *
* the same node and same snap */
match = _gf_true;
@@ -5458,8 +5512,24 @@ glusterd_store_missed_snaps_list (char *missed_info, int32_t brick_num,
goto out;
}
free_missed_snap_info = _gf_true;
- missed_snapinfo->node_snap_info = gf_strdup(missed_info);
- if (!missed_snapinfo->node_snap_info) {
+ buf = strtok_r (missed_info, ":", &save_ptr);
+ if (!buf) {
+ ret = -1;
+ goto out;
+ }
+ missed_snapinfo->node_uuid = gf_strdup(buf);
+ if (!missed_snapinfo->node_uuid) {
+ ret = -1;
+ goto out;
+ }
+
+ buf = strtok_r (NULL, ":", &save_ptr);
+ if (!buf) {
+ ret = -1;
+ goto out;
+ }
+ missed_snapinfo->snap_uuid = gf_strdup(buf);
+ if (!missed_snapinfo->snap_uuid) {
ret = -1;
goto out;
}
@@ -5486,12 +5556,8 @@ out:
glusterd_free_snap_op (missed_snap_op);
if (missed_snapinfo &&
- (free_missed_snap_info == _gf_true)) {
- if (missed_snapinfo->node_snap_info)
- GF_FREE (missed_snapinfo->node_snap_info);
-
- GF_FREE (missed_snapinfo);
- }
+ (free_missed_snap_info == _gf_true))
+ glusterd_free_missed_snapinfo (missed_snapinfo);
}
gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
@@ -5507,6 +5573,7 @@ glusterd_add_missed_snaps_to_list (dict_t *dict, int32_t missed_snap_count)
char *save_ptr = NULL;
char *nodeid = NULL;
char *snap_uuid = NULL;
+ char *snap_vol_id = NULL;
char *brick_path = NULL;
char missed_info[PATH_MAX] = "";
char name_buf[PATH_MAX] = "";
@@ -5553,13 +5620,14 @@ glusterd_add_missed_snaps_to_list (dict_t *dict, int32_t missed_snap_count)
*/
nodeid = strtok_r (tmp, ":", &save_ptr);
snap_uuid = strtok_r (NULL, "=", &save_ptr);
+ snap_vol_id = strtok_r (NULL, ":", &save_ptr);
brick_num = atoi(strtok_r (NULL, ":", &save_ptr));
brick_path = strtok_r (NULL, ":", &save_ptr);
snap_op = atoi(strtok_r (NULL, ":", &save_ptr));
snap_status = atoi(strtok_r (NULL, ":", &save_ptr));
if (!nodeid || !snap_uuid || !brick_path ||
- brick_num < 1 || snap_op < 1 ||
+ !snap_vol_id || brick_num < 1 || snap_op < 1 ||
snap_status < 1) {
gf_log (this->name, GF_LOG_ERROR,
"Invalid missed_snap_entry");
@@ -5570,11 +5638,12 @@ glusterd_add_missed_snaps_to_list (dict_t *dict, int32_t missed_snap_count)
snprintf (missed_info, sizeof(missed_info), "%s:%s",
nodeid, snap_uuid);
- ret = glusterd_store_missed_snaps_list (missed_info,
- brick_num,
- brick_path,
- snap_op,
- snap_status);
+ ret = glusterd_add_new_entry_to_list (missed_info,
+ snap_vol_id,
+ brick_num,
+ brick_path,
+ snap_op,
+ snap_status);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Failed to store missed snaps_list");
@@ -5585,6 +5654,7 @@ glusterd_add_missed_snaps_to_list (dict_t *dict, int32_t missed_snap_count)
tmp = NULL;
}
+ ret = 0;
out:
if (tmp)
GF_FREE (tmp);
@@ -5592,3 +5662,126 @@ out:
gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
return ret;
}
+
+/* This function will restore origin volume to it's snap.
+ * The restore operation will simply replace the Gluster origin
+ * volume with the snap volume.
+ * TODO: Multi-volume delete to be done.
+ * Cleanup in case of restore failure is pending.
+ *
+ * @param orig_vol volinfo of origin volume
+ * @param snap_vol volinfo of snapshot volume
+ *
+ * @return 0 on success and negative value on error
+ */
+int
+gd_restore_snap_volume (dict_t *rsp_dict,
+ glusterd_volinfo_t *orig_vol,
+ glusterd_volinfo_t *snap_vol)
+{
+ int ret = -1;
+ glusterd_volinfo_t *new_volinfo = NULL;
+ glusterd_snap_t *snap = NULL;
+ xlator_t *this = NULL;
+ glusterd_conf_t *conf = NULL;
+ glusterd_volinfo_t *temp_volinfo = NULL;
+ glusterd_volinfo_t *voliter = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (rsp_dict);
+ conf = this->private;
+ GF_ASSERT (conf);
+
+ GF_VALIDATE_OR_GOTO (this->name, orig_vol, out);
+ GF_VALIDATE_OR_GOTO (this->name, snap_vol, out);
+ snap = snap_vol->snapshot;
+ GF_VALIDATE_OR_GOTO (this->name, snap, out);
+
+ /* Snap volume must be stoped before performing the
+ * restore operation.
+ */
+ ret = glusterd_stop_volume (snap_vol);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to stop "
+ "snap volume");
+ goto out;
+ }
+
+ /* Create a new volinfo for the restored volume */
+ ret = glusterd_volinfo_dup (snap_vol, &new_volinfo, _gf_true);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to create volinfo");
+ goto out;
+ }
+
+ /* Following entries need to be derived from origin volume. */
+ strcpy (new_volinfo->volname, orig_vol->volname);
+ uuid_copy (new_volinfo->volume_id, orig_vol->volume_id);
+ new_volinfo->snap_count = orig_vol->snap_count;
+ new_volinfo->snap_max_hard_limit = orig_vol->snap_max_hard_limit;
+ uuid_copy (new_volinfo->restored_from_snap,
+ snap_vol->snapshot->snap_id);
+
+ /* Bump the version of the restored volume, so that nodes *
+ * which are done can sync during handshake */
+ new_volinfo->version = orig_vol->version;
+
+ list_for_each_entry_safe (voliter, temp_volinfo,
+ &orig_vol->snap_volumes, snapvol_list) {
+ list_add_tail (&voliter->snapvol_list,
+ &new_volinfo->snap_volumes);
+ }
+ /* Copy the snap vol info to the new_volinfo.*/
+ ret = glusterd_snap_volinfo_restore (rsp_dict, new_volinfo, snap_vol);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to restore snap");
+ (void)glusterd_volinfo_delete (new_volinfo);
+ goto out;
+ }
+
+ ret = glusterd_lvm_snapshot_remove (rsp_dict, orig_vol);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to remove "
+ "LVM backend");
+ (void)glusterd_volinfo_delete (new_volinfo);
+ goto out;
+ }
+
+ /* New volinfo always shows the status as created. Therefore
+ * set the status to the original volume's status. */
+ glusterd_set_volume_status (new_volinfo, orig_vol->status);
+
+ /* Once the new_volinfo is completely constructed then delete
+ * the orinal volinfo
+ */
+ ret = glusterd_volinfo_delete (orig_vol);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to delete volinfo");
+ (void)glusterd_volinfo_delete (new_volinfo);
+ goto out;
+ }
+
+ list_add_tail (&new_volinfo->vol_list, &conf->volumes);
+
+ /* Now delete the snap entry. As a first step delete the snap
+ * volume information stored in store. */
+ ret = glusterd_snap_remove (rsp_dict, snap, _gf_false, _gf_true);
+ if (ret) {
+ gf_log (this->name, GF_LOG_WARNING, "Failed to delete "
+ "snap %s", snap->snapname);
+ goto out;
+ }
+
+ ret = glusterd_store_volinfo (new_volinfo,
+ GLUSTERD_VOLINFO_VER_AC_INCREMENT);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to store volinfo");
+ goto out;
+ }
+
+ ret = 0;
+out:
+
+ return ret;
+}
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.c b/xlators/mgmt/glusterd/src/glusterd-store.c
index e28a30c..afbc8ff 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.c
+++ b/xlators/mgmt/glusterd/src/glusterd-store.c
@@ -44,6 +44,7 @@
#include <sys/resource.h>
#include <inttypes.h>
#include <dirent.h>
+#include <mntent.h>
void
glusterd_replace_slash_with_hyphen (char *str)
@@ -525,10 +526,13 @@ int _storeopts (dict_t *this, char *key, data_t *value, void *data)
int32_t
glusterd_volume_exclude_options_write (int fd, glusterd_volinfo_t *volinfo)
{
- char *str = NULL;
- char buf[PATH_MAX] = {0,};
- int32_t ret = -1;
+ char *str = NULL;
+ char buf[PATH_MAX] = "";
+ int32_t ret = -1;
+ xlator_t *this = NULL;
+ this = THIS;
+ GF_ASSERT (this);
GF_ASSERT (fd > 0);
GF_ASSERT (volinfo);
@@ -576,7 +580,7 @@ glusterd_volume_exclude_options_write (int fd, glusterd_volinfo_t *volinfo)
snprintf (buf, sizeof (buf), "%s", volinfo->parent_volname);
ret = gf_store_save_value (fd, GLUSTERD_STORE_KEY_PARENT_VOLNAME, buf);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "Failed to store "
+ gf_log (this->name, GF_LOG_ERROR, "Failed to store "
GLUSTERD_STORE_KEY_PARENT_VOLNAME);
goto out;
}
@@ -620,11 +624,11 @@ glusterd_volume_exclude_options_write (int fd, glusterd_volinfo_t *volinfo)
goto out;
}
- snprintf (buf, sizeof (buf), "%d", volinfo->is_volume_restored);
- ret = gf_store_save_value (fd, GLUSTERD_STORE_KEY_VOL_IS_RESTORED, buf);
+ ret = gf_store_save_value (fd, GLUSTERD_STORE_KEY_VOL_RESTORED_SNAP,
+ uuid_utoa (volinfo->restored_from_snap));
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR,
- "Unable to write is_volume_restored");
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to write restored_from_snap");
goto out;
}
@@ -632,14 +636,14 @@ glusterd_volume_exclude_options_write (int fd, glusterd_volinfo_t *volinfo)
ret = gf_store_save_value (fd, GLUSTERD_STORE_KEY_SNAP_MAX_HARD_LIMIT,
buf);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR,
+ gf_log (this->name, GF_LOG_ERROR,
"Unable to write snap-max-hard-limit");
goto out;
}
out:
if (ret)
- gf_log (THIS->name, GF_LOG_ERROR, "Unable to write volume "
+ gf_log (this->name, GF_LOG_ERROR, "Unable to write volume "
"values for %s", volinfo->volname);
return ret;
}
@@ -673,7 +677,7 @@ glusterd_store_create_volume_dir (glusterd_volinfo_t *volinfo)
return ret;
}
-static int32_t
+int32_t
glusterd_store_create_snap_dir (glusterd_snap_t *snap)
{
int32_t ret = -1;
@@ -2417,9 +2421,12 @@ glusterd_store_update_volinfo (glusterd_volinfo_t *volinfo)
} else if (!strncmp (key, GLUSTERD_STORE_KEY_SNAP_MAX_HARD_LIMIT,
strlen (GLUSTERD_STORE_KEY_SNAP_MAX_HARD_LIMIT))) {
volinfo->snap_max_hard_limit = (uint64_t) atoll (value);
- } else if (!strncmp (key, GLUSTERD_STORE_KEY_VOL_IS_RESTORED,
- strlen (GLUSTERD_STORE_KEY_VOL_IS_RESTORED))) {
- volinfo->is_volume_restored = atoi (value);
+ } else if (!strncmp (key, GLUSTERD_STORE_KEY_VOL_RESTORED_SNAP,
+ strlen (GLUSTERD_STORE_KEY_VOL_RESTORED_SNAP))) {
+ ret = uuid_parse (value, volinfo->restored_from_snap);
+ if (ret)
+ gf_log (this->name, GF_LOG_WARNING,
+ "failed to parse restored snap's uuid");
} else if (!strncmp (key, GLUSTERD_STORE_KEY_PARENT_VOLNAME,
strlen (GLUSTERD_STORE_KEY_PARENT_VOLNAME))) {
strncpy (volinfo->parent_volname, value, sizeof(volinfo->parent_volname) - 1);
@@ -2615,7 +2622,7 @@ out:
return volinfo;
}
-inline void
+static inline void
glusterd_store_set_options_path (glusterd_conf_t *conf, char *path, size_t len)
{
snprintf (path, len, "%s/options", conf->workdir);
@@ -2786,6 +2793,209 @@ out:
return ret;
}
+/* Figure out the brick mount path, from the brick path */
+int32_t
+glusterd_find_brick_mount_path (char *brick_path, int32_t brick_count,
+ char **brick_mount_path)
+{
+ char brick_num[PATH_MAX] = "";
+ char *ptr = NULL;
+ int32_t ret = -1;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (brick_path);
+ GF_ASSERT (brick_mount_path);
+
+ *brick_mount_path = gf_strdup (brick_path);
+ if (!*brick_mount_path) {
+ ret = -1;
+ goto out;
+ }
+
+ snprintf (brick_num, sizeof(brick_num), "brick%d", brick_count);
+
+ /* Finding the pointer to the end of
+ * /var/run/gluster/snaps/<snap-uuid>
+ */
+ ptr = strstr (*brick_mount_path, brick_num);
+ if (!ptr) {
+ /* Snapshot bricks must have brick num as part
+ * of the brickpath
+ */
+ gf_log (this->name, GF_LOG_ERROR,
+ "Invalid brick path(%s)", brick_path);
+ ret = -1;
+ goto out;
+ }
+
+ /* Moving the pointer to the end of
+ * /var/run/gluster/snaps/<snap-uuid>/<brick_num>
+ * and assigning '\0' to it.
+ */
+ ptr += strlen(brick_num);
+ *ptr = '\0';
+
+ ret = 0;
+out:
+ if (ret && *brick_mount_path) {
+ GF_FREE (*brick_mount_path);
+ *brick_mount_path = NULL;
+ }
+ gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
+ return ret;
+}
+
+/* Check if brick_mount_path is already mounted. If not, mount the device_path
+ * at the brick_mount_path
+ */
+int32_t
+glusterd_mount_brick_paths (char *brick_mount_path, char *device_path)
+{
+ FILE *mtab = NULL;
+ int32_t ret = -1;
+ runner_t runner = {0, };
+ struct mntent *entry = NULL;
+ xlator_t *this = NULL;
+ glusterd_conf_t *priv = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (brick_mount_path);
+ GF_ASSERT (device_path);
+
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ /* Check if the brick_mount_path is already mounted */
+ entry = glusterd_get_mnt_entry_info (brick_mount_path, mtab);
+ if (entry) {
+ gf_log (this->name, GF_LOG_INFO,
+ "brick_mount_path (%s) already mounted.",
+ brick_mount_path);
+ ret = 0;
+ goto out;
+ }
+
+ /* TODO RHEL 6.5 has the logical volumes inactive by default
+ * on reboot. Hence activating the logical vol. Check behaviour
+ * on other systems
+ */
+ /* Activate the snapshot */
+ runinit (&runner);
+ runner_add_args (&runner, "lvchange", "-ay", device_path,
+ NULL);
+ ret = runner_run (&runner);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to activate %s. Error: %s",
+ device_path, strerror(errno));
+ goto out;
+ } else
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Activating %s successful", device_path);
+
+ /* Mount the snapshot */
+ ret = glusterd_mount_lvm_snapshot (device_path, brick_mount_path);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to mount lvm snapshot.");
+ goto out;
+ }
+
+out:
+ if (mtab)
+ endmntent (mtab);
+ gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
+ return ret;
+}
+
+static int32_t
+glusterd_store_recreate_brick_mounts (glusterd_volinfo_t *volinfo)
+{
+ char *brick_mount_path = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+ int32_t ret = -1;
+ int32_t brick_count = -1;
+ struct stat st_buf = {0, };
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (volinfo);
+
+ brick_count = 0;
+ list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
+ brick_count++;
+ /* If the brick is not of this node, or its
+ * snapshot is pending, or the brick is not
+ * a snapshotted brick, we continue
+ */
+ if ((uuid_compare (brickinfo->uuid, MY_UUID)) ||
+ (brickinfo->snap_status == -1) ||
+ (strlen(brickinfo->device_path) == 0))
+ continue;
+
+ /* Fetch the brick mount path from the brickinfo->path */
+ ret = glusterd_find_brick_mount_path (brickinfo->path,
+ brick_count,
+ &brick_mount_path);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to find brick_mount_path for %s",
+ brickinfo->path);
+ goto out;
+ }
+
+ /* Check if the brickinfo path is present.
+ * If not create the brick_mount_path */
+ ret = lstat (brickinfo->path, &st_buf);
+ if (ret) {
+ if (errno == ENOENT) {
+ ret = mkdir_p (brick_mount_path, 0777,
+ _gf_true);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to create %s. "
+ "Error: %s", brick_mount_path,
+ strerror (errno));
+ goto out;
+ }
+ } else {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Brick Path(%s) not valid. "
+ "Error: %s", brickinfo->path,
+ strerror(errno));
+ goto out;
+ }
+ }
+
+ /* Check if brick_mount_path is already mounted.
+ * If not, mount the device_path at the brick_mount_path */
+ ret = glusterd_mount_brick_paths (brick_mount_path,
+ brickinfo->device_path);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to mount brick_mount_path");
+ goto out;
+ }
+
+ if (brick_mount_path) {
+ GF_FREE (brick_mount_path);
+ brick_mount_path = NULL;
+ }
+ }
+
+ ret = 0;
+out:
+ if (ret && brick_mount_path)
+ GF_FREE (brick_mount_path);
+
+ gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
+ return ret;
+}
+
int32_t
glusterd_resolve_snap_bricks (xlator_t *this, glusterd_snap_t *snap)
{
@@ -2905,25 +3115,16 @@ out:
int32_t
glusterd_store_retrieve_snap (char *snapname)
{
- int32_t ret = -1;
- dict_t *dict = NULL;
- glusterd_snap_t *snap = NULL;
- glusterd_conf_t *priv = NULL;
- xlator_t *this = NULL;
+ int32_t ret = -1;
+ glusterd_snap_t *snap = NULL;
+ glusterd_conf_t *priv = NULL;
+ xlator_t *this = NULL;
this = THIS;
priv = this->private;
GF_ASSERT (priv);
GF_ASSERT (snapname);
- dict = dict_new();
- if (!dict) {
- gf_log (this->name, GF_LOG_ERROR,
- "Failed to create dict");
- ret = -1;
- goto out;
- }
-
snap = glusterd_new_snap_object ();
if (!snap) {
gf_log (this->name, GF_LOG_ERROR, "Failed to create "
@@ -2946,34 +3147,6 @@ glusterd_store_retrieve_snap (char *snapname)
goto out;
}
- /* Unlike bricks of normal volumes which are resolved at the end of
- the glusterd restore, the bricks belonging to the snap volumes of
- each snap should be resolved as part of snapshot restore itself.
- Because if the snapshot has to be removed, then resolving bricks
- helps glusterd in understanding what all bricks have its own uuid
- and killing those bricks.
- */
- ret = glusterd_resolve_snap_bricks (this, snap);
- if (ret)
- gf_log (this->name, GF_LOG_WARNING, "resolving the snap bricks"
- " failed (snap: %s)", snap?snap->snapname:"");
-
- /* When the snapshot command from cli is received, the on disk and
- in memory structures for the snapshot are created (with the status)
- being marked as GD_SNAP_STATUS_INIT. Once the backend snapshot is
- taken, the status is changed to GD_SNAP_STATUS_IN_USE. If glusterd
- dies after taking the backend snapshot, but before updating the
- status, then when glusterd comes up, it should treat that snapshot
- as a failed snapshot and clean it up.
- */
- if (snap->snap_status != GD_SNAP_STATUS_IN_USE) {
- ret = glusterd_snap_remove (dict, snap, _gf_true, _gf_true);
- if (ret)
- gf_log (this->name, GF_LOG_WARNING, "failed to remove"
- " the snapshot %s", snap->snapname);
- goto out;
- }
-
/* TODO: list_add_order can do 'N-square' comparisions and
is not efficient. Find a better solution to store the snap
in order */
@@ -2981,9 +3154,6 @@ glusterd_store_retrieve_snap (char *snapname)
glusterd_compare_snap_time);
out:
- if (dict)
- dict_unref (dict);
-
gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
return ret;
}
@@ -2994,6 +3164,7 @@ glusterd_store_retrieve_missed_snaps_list (xlator_t *this)
{
char buf[PATH_MAX] = "";
char path[PATH_MAX] = "";
+ char *snap_vol_id = NULL;
char *missed_node_info = NULL;
char *brick_path = NULL;
char *value = NULL;
@@ -3048,12 +3219,13 @@ glusterd_store_retrieve_missed_snaps_list (xlator_t *this)
}
/* Fetch the brick_num, brick_path, snap_op and snap status */
- brick_num = atoi(strtok_r (value, ":", &save_ptr));
+ snap_vol_id = strtok_r (value, ":", &save_ptr);
+ brick_num = atoi(strtok_r (NULL, ":", &save_ptr));
brick_path = strtok_r (NULL, ":", &save_ptr);
snap_op = atoi(strtok_r (NULL, ":", &save_ptr));
snap_status = atoi(strtok_r (NULL, ":", &save_ptr));
- if (!missed_node_info || !brick_path ||
+ if (!missed_node_info || !brick_path || !snap_vol_id ||
brick_num < 1 || snap_op < 1 ||
snap_status < 1) {
gf_log (this->name, GF_LOG_ERROR,
@@ -3062,11 +3234,12 @@ glusterd_store_retrieve_missed_snaps_list (xlator_t *this)
goto out;
}
- ret = glusterd_store_missed_snaps_list (missed_node_info,
- brick_num,
- brick_path,
- snap_op,
- snap_status);
+ ret = glusterd_add_new_entry_to_list (missed_node_info,
+ snap_vol_id,
+ brick_num,
+ brick_path,
+ snap_op,
+ snap_status);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Failed to store missed snaps_list");
@@ -3145,6 +3318,7 @@ out:
int32_t
glusterd_store_write_missed_snapinfo (int32_t fd)
{
+ char key[PATH_MAX] = "";
char value[PATH_MAX] = "";
int32_t ret = -1;
glusterd_conf_t *priv = NULL;
@@ -3164,14 +3338,15 @@ glusterd_store_write_missed_snapinfo (int32_t fd)
list_for_each_entry (snap_opinfo,
&missed_snapinfo->snap_ops,
snap_ops_list) {
- snprintf (value, sizeof(value), "%d:%s:%d:%d",
+ snprintf (key, sizeof(key), "%s:%s",
+ missed_snapinfo->node_uuid,
+ missed_snapinfo->snap_uuid);
+ snprintf (value, sizeof(value), "%s:%d:%s:%d:%d",
+ snap_opinfo->snap_vol_id,
snap_opinfo->brick_num,
snap_opinfo->brick_path,
snap_opinfo->op, snap_opinfo->status);
- ret = gf_store_save_value
- (fd,
- missed_snapinfo->node_snap_info,
- value);
+ ret = gf_store_save_value (fd, key, value);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Failed to write missed snapinfo");
@@ -3189,7 +3364,7 @@ out:
/* Adds the missed snap entries to the in-memory conf->missed_snap_list *
* and writes them to disk */
int32_t
-glusterd_store_update_missed_snaps (dict_t *dict, int32_t missed_snap_count)
+glusterd_store_update_missed_snaps ()
{
int32_t fd = -1;
int32_t ret = -1;
@@ -3198,17 +3373,10 @@ glusterd_store_update_missed_snaps (dict_t *dict, int32_t missed_snap_count)
this = THIS;
GF_ASSERT(this);
- GF_ASSERT(dict);
priv = this->private;
GF_ASSERT (priv);
- if (missed_snap_count < 1) {
- gf_log (this->name, GF_LOG_DEBUG, "No missed snaps");
- ret = 0;
- goto out;
- }
-
ret = glusterd_store_create_missed_snaps_list_shandle_on_absence ();
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Unable to obtain "
@@ -3224,13 +3392,6 @@ glusterd_store_update_missed_snaps (dict_t *dict, int32_t missed_snap_count)
goto out;
}
- ret = glusterd_add_missed_snaps_to_list (dict, missed_snap_count);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "Failed to add missed snaps to list");
- goto out;
- }
-
ret = glusterd_store_write_missed_snapinfo (fd);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
@@ -3619,19 +3780,147 @@ out:
return ret;
}
+static int32_t
+glusterd_recreate_vol_brick_mounts (xlator_t *this,
+ glusterd_volinfo_t *volinfo)
+{
+ int32_t ret = 0;
+ glusterd_conf_t *priv = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
+ ret = glusterd_store_recreate_brick_mounts (volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to recreate brick mounts "
+ "for %s", volinfo->volname);
+ goto out;
+ }
+ }
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
+ return ret;
+}
+
+/* Bricks for snap volumes are hosted at /var/run/gluster/snaps
+ * When a volume is restored, it points to the bricks of the snap
+ * volume it was restored from. Hence on a node restart these
+ * paths need to be recreated and re-mounted
+ */
+int32_t
+glusterd_recreate_all_snap_brick_mounts (xlator_t *this)
+{
+ int32_t ret = 0;
+ glusterd_conf_t *priv = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_snap_t *snap = NULL;
+
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ /* Recreate bricks of volumes restored from snaps */
+ list_for_each_entry (volinfo, &priv->volumes, vol_list) {
+ /* If the volume is not a restored volume then continue */
+ if (uuid_is_null (volinfo->restored_from_snap))
+ continue;
+
+ ret = glusterd_recreate_vol_brick_mounts (this, volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to recreate brick mounts "
+ "for %s", volinfo->volname);
+ goto out;
+ }
+ }
+
+ /* Recreate bricks of snapshot volumes */
+ list_for_each_entry (snap, &priv->snapshots, snap_list) {
+ list_for_each_entry (volinfo, &snap->volumes, vol_list) {
+ ret = glusterd_recreate_vol_brick_mounts (this,
+ volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to recreate brick mounts "
+ "for %s", snap->snapname);
+ goto out;
+ }
+ }
+ }
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
+ return ret;
+}
+
+/* When the snapshot command from cli is received, the on disk and
+ * in memory structures for the snapshot are created (with the status)
+ * being marked as GD_SNAP_STATUS_INIT. Once the backend snapshot is
+ * taken, the status is changed to GD_SNAP_STATUS_IN_USE. If glusterd
+ * dies after taking the backend snapshot, but before updating the
+ * status, then when glusterd comes up, it should treat that snapshot
+ * as a failed snapshot and clean it up.
+ */
+int32_t
+glusterd_snap_cleanup (xlator_t *this)
+{
+ dict_t *dict = NULL;
+ int32_t ret = 0;
+ glusterd_conf_t *priv = NULL;
+ glusterd_snap_t *snap = NULL;
+
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ dict = dict_new();
+ if (!dict) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to create dict");
+ ret = -1;
+ goto out;
+ }
+
+ list_for_each_entry (snap, &priv->snapshots, snap_list) {
+ if (snap->snap_status != GD_SNAP_STATUS_IN_USE) {
+ ret = glusterd_snap_remove (dict, snap,
+ _gf_true, _gf_true);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to remove the snapshot %s",
+ snap->snapname);
+ goto out;
+ }
+ }
+ }
+out:
+ if (dict)
+ dict_unref (dict);
+
+ gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
+ return ret;
+}
+
int32_t
glusterd_resolve_all_bricks (xlator_t *this)
{
- int32_t ret = 0;
- glusterd_conf_t *priv = NULL;
- glusterd_volinfo_t *volinfo = NULL;
+ int32_t ret = 0;
+ glusterd_conf_t *priv = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
glusterd_brickinfo_t *brickinfo = NULL;
+ glusterd_snap_t *snap = NULL;
GF_ASSERT (this);
priv = this->private;
GF_ASSERT (priv);
+ /* Resolve bricks of volumes */
list_for_each_entry (volinfo, &priv->volumes, vol_list) {
list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
ret = glusterd_resolve_brick (brickinfo);
@@ -3643,9 +3932,20 @@ glusterd_resolve_all_bricks (xlator_t *this)
}
}
-out:
- gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
+ /* Resolve bricks of snapshot volumes */
+ list_for_each_entry (snap, &priv->snapshots, snap_list) {
+ ret = glusterd_resolve_snap_bricks (this, snap);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "resolving the snap bricks"
+ " failed for snap: %s",
+ snap->snapname);
+ goto out;
+ }
+ }
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
return ret;
}
@@ -3680,6 +3980,20 @@ glusterd_restore ()
if (ret)
goto out;
+ ret = glusterd_snap_cleanup (this);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to perform "
+ "a cleanup of the snapshots");
+ goto out;
+ }
+
+ ret = glusterd_recreate_all_snap_brick_mounts (this);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to recreate "
+ "all snap brick mounts");
+ goto out;
+ }
+
out:
gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
return ret;
@@ -3722,7 +4036,7 @@ glusterd_store_retrieve_quota_version (glusterd_volinfo_t *volinfo)
}
version = strtoul (version_str, &tmp, 10);
- if (version < 0) {
+ if ((errno == ERANGE) || (errno == EINVAL)) {
gf_log (this->name, GF_LOG_DEBUG, "Invalid version number");
goto out;
}
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.h b/xlators/mgmt/glusterd/src/glusterd-store.h
index 64c073a..63d510c 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.h
+++ b/xlators/mgmt/glusterd/src/glusterd-store.h
@@ -48,7 +48,7 @@ typedef enum glusterd_store_ver_ac_{
#define GLUSTERD_STORE_KEY_VOL_VERSION "version"
#define GLUSTERD_STORE_KEY_VOL_TRANSPORT "transport-type"
#define GLUSTERD_STORE_KEY_VOL_ID "volume-id"
-#define GLUSTERD_STORE_KEY_VOL_IS_RESTORED "is-volume-restored"
+#define GLUSTERD_STORE_KEY_VOL_RESTORED_SNAP "restored_from_snap"
#define GLUSTERD_STORE_KEY_RB_STATUS "rb_status"
#define GLUSTERD_STORE_KEY_RB_SRC_BRICK "rb_src"
#define GLUSTERD_STORE_KEY_RB_DST_BRICK "rb_dst"
@@ -168,7 +168,6 @@ int32_t
glusterd_store_snap (glusterd_snap_t *snap);
int32_t
-glusterd_store_update_missed_snaps (dict_t *dict,
- int32_t missed_snap_count);
+glusterd_store_update_missed_snaps ();
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index 8e96be9..7883a98 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -13,6 +13,12 @@
#endif
#include <inttypes.h>
+#if !defined(__NetBSD__) && !defined(GF_DARWIN_HOST_OS)
+#include <mntent.h>
+#else
+#include "mntent_compat.h"
+#endif
+
#include "globals.h"
#include "glusterfs.h"
#include "compat.h"
@@ -44,7 +50,6 @@
#include <inttypes.h>
#include <signal.h>
#include <sys/types.h>
-#include <net/if.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <rpc/pmap_clnt.h>
@@ -56,11 +61,6 @@
#include <lvm2app.h>
#endif
-
-#ifdef GF_LINUX_HOST_OS
-#include <mntent.h>
-#endif
-
#ifdef GF_SOLARIS_HOST_OS
#include <sys/sockio.h>
#endif
@@ -709,7 +709,7 @@ glusterd_snap_volinfo_restore (dict_t *rsp_dict,
/* Adding missed delete to the dict */
ret = glusterd_add_missed_snaps_to_dict
(rsp_dict,
- snap_volinfo->volname,
+ snap_volinfo,
brickinfo,
brick_count + 1,
GF_SNAP_OPTION_TYPE_RESTORE);
@@ -2241,12 +2241,17 @@ out:
return ret;
}
+/* The prefix represents the type of volume to be added.
+ * It will be "volume" for normal volumes, and snap# like
+ * snap1, snap2, for snapshot volumes
+ */
int32_t
glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
- dict_t *dict, int32_t count)
+ dict_t *dict, int32_t count,
+ char *prefix)
{
int32_t ret = -1;
- char prefix[512] = {0,};
+ char pfx[512] = {0,};
char key[512] = {0,};
glusterd_brickinfo_t *brickinfo = NULL;
int32_t i = 1;
@@ -2263,89 +2268,101 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
GF_ASSERT (this);
GF_ASSERT (dict);
GF_ASSERT (volinfo);
+ GF_ASSERT (prefix);
- snprintf (key, sizeof (key), "volume%d.name", count);
+ snprintf (key, sizeof (key), "%s%d.name", prefix, count);
ret = dict_set_str (dict, key, volinfo->volname);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.type", count);
+ snprintf (key, sizeof (key), "%s%d.type", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->type);
if (ret)
goto out;
- snprintf (key, sizeof (key), "volume%d.is_volume_restored", count);
- ret = dict_set_int32 (dict, key, volinfo->is_volume_restored);
- if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "Failed to set "
- "is_volume_restored option for %s volume",
- volinfo->volname);
+ snprintf (key, sizeof (key), "volume%d.restored_from_snap", count);
+ ret = dict_set_dynstr_with_alloc
+ (dict, key,
+ uuid_utoa (volinfo->restored_from_snap));
+ if (ret)
goto out;
+
+ if (strlen (volinfo->parent_volname) > 0) {
+ snprintf (key, sizeof (key), "%s%d.parent_volname",
+ prefix, count);
+ ret = dict_set_dynstr_with_alloc (dict, key,
+ volinfo->parent_volname);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to set parent_volname for %s",
+ volinfo->volname);
+ goto out;
+ }
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick_count", count);
+ snprintf (key, sizeof (key), "%s%d.brick_count", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->brick_count);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.version", count);
+ snprintf (key, sizeof (key), "%s%d.version", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->version);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.status", count);
+ snprintf (key, sizeof (key), "%s%d.status", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->status);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.sub_count", count);
+ snprintf (key, sizeof (key), "%s%d.sub_count", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->sub_count);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.stripe_count", count);
+ snprintf (key, sizeof (key), "%s%d.stripe_count", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->stripe_count);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.replica_count", count);
+ snprintf (key, sizeof (key), "%s%d.replica_count", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->replica_count);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.dist_count", count);
+ snprintf (key, sizeof (key), "%s%d.dist_count", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->dist_leaf_count);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.ckusm", count);
+ snprintf (key, sizeof (key), "%s%d.ckusm", prefix, count);
ret = dict_set_int64 (dict, key, volinfo->cksum);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.transport_type", count);
+ snprintf (key, sizeof (key), "%s%d.transport_type", prefix, count);
ret = dict_set_uint32 (dict, key, volinfo->transport_type);
if (ret)
goto out;
- snprintf (key, sizeof (key), "volume%d.is_snap_volume", count);
+ snprintf (key, sizeof (key), "%s%d.is_snap_volume", prefix, count);
ret = dict_set_uint32 (dict, key, volinfo->is_snap_volume);
if (ret) {
gf_log (THIS->name, GF_LOG_ERROR, "Unable to set %s", key);
goto out;
}
- snprintf (key, sizeof (key), "volume%d.snap-max-hard-limit", count);
+ snprintf (key, sizeof (key), "%s%d.snap-max-hard-limit", prefix, count);
ret = dict_set_uint64 (dict, key, volinfo->snap_max_hard_limit);
if (ret) {
gf_log (THIS->name, GF_LOG_ERROR, "Unable to set %s", key);
@@ -2358,14 +2375,14 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
goto out;
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.volume_id", count);
+ snprintf (key, sizeof (key), "%s%d.volume_id", prefix, count);
ret = dict_set_dynstr (dict, key, volume_id_str);
if (ret)
goto out;
volume_id_str = NULL;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.username", count);
+ snprintf (key, sizeof (key), "%s%d.username", prefix, count);
str = glusterd_auth_get_username (volinfo);
if (str) {
ret = dict_set_dynstr (dict, key, gf_strdup (str));
@@ -2374,7 +2391,7 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.password", count);
+ snprintf (key, sizeof (key), "%s%d.password", prefix, count);
str = glusterd_auth_get_password (volinfo);
if (str) {
ret = dict_set_dynstr (dict, key, gf_strdup (str));
@@ -2383,7 +2400,7 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
}
memset (key, 0, sizeof (key));
- snprintf (key, 256, "volume%d.rebalance", count);
+ snprintf (key, 256, "%s%d.rebalance", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->rebal.defrag_cmd);
if (ret)
goto out;
@@ -2395,22 +2412,22 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
goto out;
}
memset (key, 0, sizeof (key));
- snprintf (key, 256, "volume%d.rebalance-id", count);
+ snprintf (key, 256, "%s%d.rebalance-id", prefix, count);
ret = dict_set_dynstr (dict, key, rebalance_id_str);
if (ret)
goto out;
rebalance_id_str = NULL;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.rebalance-op", count);
+ snprintf (key, sizeof (key), "%s%d.rebalance-op", prefix, count);
ret = dict_set_uint32 (dict, key, volinfo->rebal.op);
if (ret)
goto out;
if (volinfo->rebal.dict) {
- snprintf (prefix, sizeof (prefix), "volume%d", count);
+ snprintf (pfx, sizeof (pfx), "%s%d", prefix, count);
ctx.dict = dict;
- ctx.prefix = prefix;
+ ctx.prefix = pfx;
ctx.opt_count = 1;
ctx.key_name = "rebal-dict-key";
ctx.val_name = "rebal-dict-value";
@@ -2425,7 +2442,7 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
}
memset (key, 0, sizeof (key));
- snprintf (key, 256, "volume%d."GLUSTERD_STORE_KEY_RB_STATUS, count);
+ snprintf (key, 256, "%s%d."GLUSTERD_STORE_KEY_RB_STATUS, prefix, count);
ret = dict_set_int32 (dict, key, volinfo->rep_brick.rb_status);
if (ret)
goto out;
@@ -2433,8 +2450,8 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
if (volinfo->rep_brick.rb_status > GF_RB_STATUS_NONE) {
memset (key, 0, sizeof (key));
- snprintf (key, 256, "volume%d."GLUSTERD_STORE_KEY_RB_SRC_BRICK,
- count);
+ snprintf (key, 256, "%s%d."GLUSTERD_STORE_KEY_RB_SRC_BRICK,
+ prefix, count);
gf_asprintf (&src_brick, "%s:%s",
volinfo->rep_brick.src_brick->hostname,
volinfo->rep_brick.src_brick->path);
@@ -2443,8 +2460,8 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, 256, "volume%d."GLUSTERD_STORE_KEY_RB_DST_BRICK,
- count);
+ snprintf (key, 256, "%s%d."GLUSTERD_STORE_KEY_RB_DST_BRICK,
+ prefix, count);
gf_asprintf (&dst_brick, "%s:%s",
volinfo->rep_brick.dst_brick->hostname,
volinfo->rep_brick.dst_brick->path);
@@ -2459,16 +2476,16 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.rb_id", count);
+ snprintf (key, sizeof (key), "%s%d.rb_id", prefix, count);
ret = dict_set_dynstr (dict, key, rb_id_str);
if (ret)
goto out;
rb_id_str = NULL;
}
- snprintf (prefix, sizeof (prefix), "volume%d", count);
+ snprintf (pfx, sizeof (pfx), "%s%d", prefix, count);
ctx.dict = dict;
- ctx.prefix = prefix;
+ ctx.prefix = pfx;
ctx.opt_count = 1;
ctx.key_name = "key";
ctx.val_name = "value";
@@ -2477,13 +2494,13 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
dict_foreach (volinfo->dict, _add_dict_to_prdict, &ctx);
ctx.opt_count--;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.opt-count", count);
+ snprintf (key, sizeof (key), "%s%d.opt-count", prefix, count);
ret = dict_set_int32 (dict, key, ctx.opt_count);
if (ret)
goto out;
ctx.dict = dict;
- ctx.prefix = prefix;
+ ctx.prefix = pfx;
ctx.opt_count = 1;
ctx.key_name = "slave-num";
ctx.val_name = "slave-val";
@@ -2493,42 +2510,42 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
ctx.opt_count--;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.gsync-count", count);
+ snprintf (key, sizeof (key), "%s%d.gsync-count", prefix, count);
ret = dict_set_int32 (dict, key, ctx.opt_count);
if (ret)
goto out;
list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick%d.hostname",
- count, i);
+ snprintf (key, sizeof (key), "%s%d.brick%d.hostname",
+ prefix, count, i);
ret = dict_set_str (dict, key, brickinfo->hostname);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick%d.path",
- count, i);
+ snprintf (key, sizeof (key), "%s%d.brick%d.path",
+ prefix, count, i);
ret = dict_set_str (dict, key, brickinfo->path);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick%d.decommissioned",
- count, i);
+ snprintf (key, sizeof (key), "%s%d.brick%d.decommissioned",
+ prefix, count, i);
ret = dict_set_int32 (dict, key, brickinfo->decommissioned);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick%d.brick_id",
- count, i);
+ snprintf (key, sizeof (key), "%s%d.brick%d.brick_id",
+ prefix, count, i);
ret = dict_set_str (dict, key, brickinfo->brick_id);
if (ret)
goto out;
- snprintf (key, sizeof (key), "volume%d.brick%d.snap_status",
- count, i);
+ snprintf (key, sizeof (key), "%s%d.brick%d.snap_status",
+ prefix, count, i);
ret = dict_set_int32 (dict, key, brickinfo->snap_status);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
@@ -2538,8 +2555,8 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
goto out;
}
- snprintf (key, sizeof (key), "volume%d.brick%d.device_path",
- count, i);
+ snprintf (key, sizeof (key), "%s%d.brick%d.device_path",
+ prefix, count, i);
ret = dict_set_str (dict, key, brickinfo->device_path);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
@@ -2556,19 +2573,19 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
* in the cluster
*/
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.op-version", count);
+ snprintf (key, sizeof (key), "%s%d.op-version", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->op_version);
if (ret)
goto out;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.client-op-version", count);
+ snprintf (key, sizeof (key), "%s%d.client-op-version", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->client_op_version);
if (ret)
goto out;
/*Add volume Capability (BD Xlator) to dict*/
memset (key, 0 ,sizeof (key));
- snprintf (key, sizeof (key), "volume%d.caps", count);
+ snprintf (key, sizeof (key), "%s%d.caps", prefix, count);
ret = dict_set_int32 (dict, key, volinfo->caps);
out:
@@ -2576,14 +2593,17 @@ out:
GF_FREE (rebalance_id_str);
GF_FREE (rb_id_str);
- gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
-
+ gf_log (this->name, GF_LOG_DEBUG, "Returning with %d", ret);
return ret;
}
+/* The prefix represents the type of volume to be added.
+ * It will be "volume" for normal volumes, and snap# like
+ * snap1, snap2, for snapshot volumes
+ */
int
glusterd_vol_add_quota_conf_to_dict (glusterd_volinfo_t *volinfo, dict_t* load,
- int vol_idx)
+ int vol_idx, char *prefix)
{
int fd = -1;
char *gfid_str = NULL;
@@ -2595,6 +2615,7 @@ glusterd_vol_add_quota_conf_to_dict (glusterd_volinfo_t *volinfo, dict_t* load,
this = THIS;
GF_ASSERT (this);
+ GF_ASSERT (prefix);
ret = glusterd_store_create_quota_conf_sh_on_absence (volinfo);
if (ret)
@@ -2631,8 +2652,8 @@ glusterd_vol_add_quota_conf_to_dict (glusterd_volinfo_t *volinfo, dict_t* load,
goto out;
}
- snprintf (key, sizeof(key)-1, "volume%d.gfid%d", vol_idx,
- gfid_idx);
+ snprintf (key, sizeof(key)-1, "%s%d.gfid%d", prefix,
+ vol_idx, gfid_idx);
key[sizeof(key)-1] = '\0';
ret = dict_set_dynstr (load, key, gfid_str);
if (ret) {
@@ -2642,19 +2663,19 @@ glusterd_vol_add_quota_conf_to_dict (glusterd_volinfo_t *volinfo, dict_t* load,
gfid_str = NULL;
}
- snprintf (key, sizeof(key)-1, "volume%d.gfid-count", vol_idx);
+ snprintf (key, sizeof(key)-1, "%s%d.gfid-count", prefix, vol_idx);
key[sizeof(key)-1] = '\0';
ret = dict_set_int32 (load, key, gfid_idx);
if (ret)
goto out;
- snprintf (key, sizeof(key)-1, "volume%d.quota-cksum", vol_idx);
+ snprintf (key, sizeof(key)-1, "%s%d.quota-cksum", prefix, vol_idx);
key[sizeof(key)-1] = '\0';
ret = dict_set_uint32 (load, key, volinfo->quota_conf_cksum);
if (ret)
goto out;
- snprintf (key, sizeof(key)-1, "volume%d.quota-version", vol_idx);
+ snprintf (key, sizeof(key)-1, "%s%d.quota-version", prefix, vol_idx);
key[sizeof(key)-1] = '\0';
ret = dict_set_uint32 (load, key, volinfo->quota_conf_version);
if (ret)
@@ -2669,7 +2690,237 @@ out:
}
int32_t
-glusterd_build_volume_dict (dict_t **vols)
+glusterd_add_missed_snaps_to_export_dict (dict_t *peer_data)
+{
+ char name_buf[PATH_MAX] = "";
+ char value[PATH_MAX] = "";
+ int32_t missed_snap_count = 0;
+ int32_t ret = -1;
+ glusterd_conf_t *priv = NULL;
+ glusterd_missed_snap_info *missed_snapinfo = NULL;
+ glusterd_snap_op_t *snap_opinfo = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (peer_data);
+
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ /* Add the missed_entries in the dict */
+ list_for_each_entry (missed_snapinfo, &priv->missed_snaps_list,
+ missed_snaps) {
+ list_for_each_entry (snap_opinfo,
+ &missed_snapinfo->snap_ops,
+ snap_ops_list) {
+ snprintf (name_buf, sizeof(name_buf),
+ "missed_snaps_%d", missed_snap_count);
+ snprintf (value, sizeof(value), "%s:%s=%s:%d:%s:%d:%d",
+ missed_snapinfo->node_uuid,
+ missed_snapinfo->snap_uuid,
+ snap_opinfo->snap_vol_id,
+ snap_opinfo->brick_num,
+ snap_opinfo->brick_path,
+ snap_opinfo->op,
+ snap_opinfo->status);
+
+ ret = dict_set_dynstr_with_alloc (peer_data, name_buf,
+ value);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set %s",
+ name_buf);
+ goto out;
+ }
+ missed_snap_count++;
+ }
+ }
+
+ ret = dict_set_int32 (peer_data, "missed_snap_count",
+ missed_snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set missed_snap_count");
+ goto out;
+ }
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+int32_t
+glusterd_add_snap_to_dict (glusterd_snap_t *snap, dict_t *peer_data,
+ int32_t snap_count)
+{
+ char buf[NAME_MAX] = "";
+ char prefix[NAME_MAX] = "";
+ int32_t ret = -1;
+ int32_t volcount = 0;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+ gf_boolean_t host_bricks = _gf_false;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (snap);
+ GF_ASSERT (peer_data);
+
+ snprintf (prefix, sizeof(prefix), "snap%d", snap_count);
+
+ list_for_each_entry (volinfo, &snap->volumes, vol_list) {
+ volcount++;
+ ret = glusterd_add_volume_to_dict (volinfo, peer_data,
+ volcount, prefix);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to add snap:%s volume:%s "
+ "to peer_data dict for handshake",
+ snap->snapname, volinfo->volname);
+ goto out;
+ }
+
+ ret = glusterd_vol_add_quota_conf_to_dict (volinfo, peer_data,
+ volcount, prefix);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to add quota conf for "
+ "snap:%s volume:%s to peer_data "
+ "dict for handshake", snap->snapname,
+ volinfo->volname);
+ goto out;
+ }
+
+ list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
+ if (!uuid_compare (brickinfo->uuid, MY_UUID)) {
+ host_bricks = _gf_true;
+ break;
+ }
+ }
+ }
+
+ snprintf (buf, sizeof(buf), "%s.host_bricks", prefix);
+ ret = dict_set_int8 (peer_data, buf, (int8_t) host_bricks);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set host_bricks for snap %s",
+ snap->snapname);
+ goto out;
+ }
+
+ snprintf (buf, sizeof(buf), "%s.volcount", prefix);
+ ret = dict_set_int32 (peer_data, buf, volcount);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set volcount for snap %s",
+ snap->snapname);
+ goto out;
+ }
+
+ snprintf (buf, sizeof(buf), "%s.snapname", prefix);
+ ret = dict_set_dynstr_with_alloc (peer_data, buf, snap->snapname);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set snapname for snap %s",
+ snap->snapname);
+ goto out;
+ }
+
+ snprintf (buf, sizeof(buf), "%s.snap_id", prefix);
+ ret = dict_set_dynstr_with_alloc (peer_data, buf,
+ uuid_utoa (snap->snap_id));
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set snap_id for snap %s",
+ snap->snapname);
+ goto out;
+ }
+
+ if (snap->description) {
+ snprintf (buf, sizeof(buf), "%s.snapid", prefix);
+ ret = dict_set_dynstr_with_alloc (peer_data, buf,
+ snap->description);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set description for snap %s",
+ snap->snapname);
+ goto out;
+ }
+ }
+
+ snprintf (buf, sizeof(buf), "%s.time_stamp", prefix);
+ ret = dict_set_int64 (peer_data, buf, (int64_t)snap->time_stamp);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set time_stamp for snap %s",
+ snap->snapname);
+ goto out;
+ }
+
+ snprintf (buf, sizeof(buf), "%s.snap_restored", prefix);
+ ret = dict_set_int8 (peer_data, buf, snap->snap_restored);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set snap_restored for snap %s",
+ snap->snapname);
+ goto out;
+ }
+
+ snprintf (buf, sizeof(buf), "%s.snap_status", prefix);
+ ret = dict_set_int32 (peer_data, buf, snap->snap_status);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set snap_status for snap %s",
+ snap->snapname);
+ goto out;
+ }
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+int32_t
+glusterd_add_snapshots_to_export_dict (dict_t *peer_data)
+{
+ int32_t snap_count = 0;
+ int32_t ret = -1;
+ glusterd_conf_t *priv = NULL;
+ glusterd_snap_t *snap = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+ GF_ASSERT (peer_data);
+
+ list_for_each_entry (snap, &priv->snapshots, snap_list) {
+ snap_count++;
+ ret = glusterd_add_snap_to_dict (snap, peer_data, snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to add snap(%s) to the "
+ " peer_data dict for handshake",
+ snap->snapname);
+ goto out;
+ }
+ }
+
+ ret = dict_set_int32 (peer_data, "snap_count", snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to set snap_count");
+ goto out;
+ }
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+int32_t
+glusterd_add_volumes_to_export_dict (dict_t **peer_data)
{
int32_t ret = -1;
dict_t *dict = NULL;
@@ -2677,27 +2928,31 @@ glusterd_build_volume_dict (dict_t **vols)
glusterd_volinfo_t *volinfo = NULL;
int32_t count = 0;
glusterd_dict_ctx_t ctx = {0};
+ xlator_t *this = NULL;
- priv = THIS->private;
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
dict = dict_new ();
-
if (!dict)
goto out;
list_for_each_entry (volinfo, &priv->volumes, vol_list) {
count++;
- ret = glusterd_add_volume_to_dict (volinfo, dict, count);
+ ret = glusterd_add_volume_to_dict (volinfo, dict, count,
+ "volume");
if (ret)
goto out;
if (!glusterd_is_volume_quota_enabled (volinfo))
continue;
- ret = glusterd_vol_add_quota_conf_to_dict (volinfo, dict, count);
+ ret = glusterd_vol_add_quota_conf_to_dict (volinfo, dict,
+ count, "volume");
if (ret)
goto out;
}
-
ret = dict_set_int32 (dict, "count", count);
if (ret)
goto out;
@@ -2713,18 +2968,18 @@ glusterd_build_volume_dict (dict_t **vols)
if (ret)
goto out;
- *vols = dict;
+ *peer_data = dict;
out:
- gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
if (ret)
dict_unref (dict);
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
return ret;
}
int32_t
-glusterd_compare_friend_volume (dict_t *vols, int32_t count, int32_t *status,
- char *hostname)
+glusterd_compare_friend_volume (dict_t *peer_data, int32_t count,
+ int32_t *status, char *hostname)
{
int32_t ret = -1;
@@ -2737,14 +2992,14 @@ glusterd_compare_friend_volume (dict_t *vols, int32_t count, int32_t *status,
int32_t version = 0;
xlator_t *this = NULL;
- GF_ASSERT (vols);
+ GF_ASSERT (peer_data);
GF_ASSERT (status);
this = THIS;
GF_ASSERT (this);
snprintf (key, sizeof (key), "volume%d.name", count);
- ret = dict_get_str (vols, key, &volname);
+ ret = dict_get_str (peer_data, key, &volname);
if (ret)
goto out;
@@ -2758,7 +3013,7 @@ glusterd_compare_friend_volume (dict_t *vols, int32_t count, int32_t *status,
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "volume%d.version", count);
- ret = dict_get_int32 (vols, key, &version);
+ ret = dict_get_int32 (peer_data, key, &version);
if (ret)
goto out;
@@ -2779,7 +3034,7 @@ glusterd_compare_friend_volume (dict_t *vols, int32_t count, int32_t *status,
//
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "volume%d.ckusm", count);
- ret = dict_get_uint32 (vols, key, &cksum);
+ ret = dict_get_uint32 (peer_data, key, &cksum);
if (ret)
goto out;
@@ -2794,7 +3049,7 @@ glusterd_compare_friend_volume (dict_t *vols, int32_t count, int32_t *status,
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "volume%d.quota-version", count);
- ret = dict_get_uint32 (vols, key, &quota_version);
+ ret = dict_get_uint32 (peer_data, key, &quota_version);
if (ret) {
gf_log (this->name, GF_LOG_DEBUG, "quota-version key absent for"
" volume %s in peer %s's response", volinfo->volname,
@@ -2822,7 +3077,7 @@ glusterd_compare_friend_volume (dict_t *vols, int32_t count, int32_t *status,
//
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "volume%d.quota-cksum", count);
- ret = dict_get_uint32 (vols, key, &quota_cksum);
+ ret = dict_get_uint32 (peer_data, key, &quota_cksum);
if (ret) {
gf_log (this->name, GF_LOG_DEBUG, "quota checksum absent for "
"volume %s in peer %s's response", volinfo->volname,
@@ -2850,7 +3105,7 @@ out:
}
static int32_t
-import_prdict_dict (dict_t *vols, dict_t *dst_dict, char *key_prefix,
+import_prdict_dict (dict_t *peer_data, dict_t *dst_dict, char *key_prefix,
char *value_prefix, int opt_count, char *prefix)
{
char key[512] = {0,};
@@ -2865,7 +3120,7 @@ import_prdict_dict (dict_t *vols, dict_t *dst_dict, char *key_prefix,
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "%s.%s%d",
prefix, key_prefix, i);
- ret = dict_get_str (vols, key, &opt_key);
+ ret = dict_get_str (peer_data, key, &opt_key);
if (ret) {
snprintf (msg, sizeof (msg), "Volume dict key not "
"specified");
@@ -2875,7 +3130,7 @@ import_prdict_dict (dict_t *vols, dict_t *dst_dict, char *key_prefix,
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "%s.%s%d",
prefix, value_prefix, i);
- ret = dict_get_str (vols, key, &opt_val);
+ ret = dict_get_str (peer_data, key, &opt_val);
if (ret) {
snprintf (msg, sizeof (msg), "Volume dict value not "
"specified");
@@ -3163,7 +3418,7 @@ out:
}
int32_t
-glusterd_import_friend_volume_opts (dict_t *vols, int count,
+glusterd_import_friend_volume_opts (dict_t *peer_data, int count,
glusterd_volinfo_t *volinfo)
{
char key[512] = {0,};
@@ -3172,9 +3427,12 @@ glusterd_import_friend_volume_opts (dict_t *vols, int count,
char msg[2048] = {0};
char volume_prefix[1024] = {0};
+ GF_ASSERT (peer_data);
+ GF_ASSERT (volinfo);
+
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "volume%d.opt-count", count);
- ret = dict_get_int32 (vols, key, &opt_count);
+ ret = dict_get_int32 (peer_data, key, &opt_count);
if (ret) {
snprintf (msg, sizeof (msg), "Volume option count not "
"specified for %s", volinfo->volname);
@@ -3182,7 +3440,7 @@ glusterd_import_friend_volume_opts (dict_t *vols, int count,
}
snprintf (volume_prefix, sizeof (volume_prefix), "volume%d", count);
- ret = import_prdict_dict (vols, volinfo->dict, "key", "value",
+ ret = import_prdict_dict (peer_data, volinfo->dict, "key", "value",
opt_count, volume_prefix);
if (ret) {
snprintf (msg, sizeof (msg), "Unable to import options dict "
@@ -3192,14 +3450,14 @@ glusterd_import_friend_volume_opts (dict_t *vols, int count,
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "volume%d.gsync-count", count);
- ret = dict_get_int32 (vols, key, &opt_count);
+ ret = dict_get_int32 (peer_data, key, &opt_count);
if (ret) {
snprintf (msg, sizeof (msg), "Gsync count not "
"specified for %s", volinfo->volname);
goto out;
}
- ret = import_prdict_dict (vols, volinfo->gsync_slaves, "slave-num",
+ ret = import_prdict_dict (peer_data, volinfo->gsync_slaves, "slave-num",
"slave-val", opt_count, volume_prefix);
if (ret) {
snprintf (msg, sizeof (msg), "Unable to import gsync sessions "
@@ -3214,10 +3472,15 @@ out:
return ret;
}
+/* The prefix represents the type of volume to be added.
+ * It will be "volume" for normal volumes, and snap# like
+ * snap1, snap2, for snapshot volumes
+ */
int32_t
-glusterd_import_new_brick (dict_t *vols, int32_t vol_count,
+glusterd_import_new_brick (dict_t *peer_data, int32_t vol_count,
int32_t brick_count,
- glusterd_brickinfo_t **brickinfo)
+ glusterd_brickinfo_t **brickinfo,
+ char *prefix)
{
char key[512] = {0,};
int ret = -1;
@@ -3230,53 +3493,54 @@ glusterd_import_new_brick (dict_t *vols, int32_t vol_count,
glusterd_brickinfo_t *new_brickinfo = NULL;
char msg[2048] = {0};
- GF_ASSERT (vols);
+ GF_ASSERT (peer_data);
GF_ASSERT (vol_count >= 0);
GF_ASSERT (brickinfo);
+ GF_ASSERT (prefix);
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick%d.hostname",
- vol_count, brick_count);
- ret = dict_get_str (vols, key, &hostname);
+ snprintf (key, sizeof (key), "%s%d.brick%d.hostname",
+ prefix, vol_count, brick_count);
+ ret = dict_get_str (peer_data, key, &hostname);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload", key);
goto out;
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick%d.path",
- vol_count, brick_count);
- ret = dict_get_str (vols, key, &path);
+ snprintf (key, sizeof (key), "%s%d.brick%d.path",
+ prefix, vol_count, brick_count);
+ ret = dict_get_str (peer_data, key, &path);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload", key);
goto out;
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick%d.brick_id",
- vol_count, brick_count);
- ret = dict_get_str (vols, key, &brick_id);
+ snprintf (key, sizeof (key), "%s%d.brick%d.brick_id",
+ prefix, vol_count, brick_count);
+ ret = dict_get_str (peer_data, key, &brick_id);
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick%d.decommissioned",
- vol_count, brick_count);
- ret = dict_get_int32 (vols, key, &decommissioned);
+ snprintf (key, sizeof (key), "%s%d.brick%d.decommissioned",
+ prefix, vol_count, brick_count);
+ ret = dict_get_int32 (peer_data, key, &decommissioned);
if (ret) {
/* For backward compatibility */
ret = 0;
}
- snprintf (key, sizeof (key), "volume%d.brick%d.snap_status",
- vol_count, brick_count);
- ret = dict_get_int32 (vols, key, &snap_status);
+ snprintf (key, sizeof (key), "%s%d.brick%d.snap_status",
+ prefix, vol_count, brick_count);
+ ret = dict_get_int32 (peer_data, key, &snap_status);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload", key);
goto out;
}
- snprintf (key, sizeof (key), "volume%d.brick%d.device_path",
- vol_count, brick_count);
- ret = dict_get_str (vols, key, &snap_device);
+ snprintf (key, sizeof (key), "%s%d.brick%d.device_path",
+ prefix, vol_count, brick_count);
+ ret = dict_get_str (peer_data, key, &snap_device);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload", key);
goto out;
@@ -3304,22 +3568,28 @@ out:
return ret;
}
+/* The prefix represents the type of volume to be added.
+ * It will be "volume" for normal volumes, and snap# like
+ * snap1, snap2, for snapshot volumes
+ */
int32_t
-glusterd_import_bricks (dict_t *vols, int32_t vol_count,
- glusterd_volinfo_t *new_volinfo)
+glusterd_import_bricks (dict_t *peer_data, int32_t vol_count,
+ glusterd_volinfo_t *new_volinfo, char *prefix)
{
int ret = -1;
int brick_count = 1;
int brickid = 0;
glusterd_brickinfo_t *new_brickinfo = NULL;
- GF_ASSERT (vols);
+ GF_ASSERT (peer_data);
GF_ASSERT (vol_count >= 0);
GF_ASSERT (new_volinfo);
+ GF_ASSERT (prefix);
while (brick_count <= new_volinfo->brick_count) {
- ret = glusterd_import_new_brick (vols, vol_count, brick_count,
- &new_brickinfo);
+ ret = glusterd_import_new_brick (peer_data, vol_count,
+ brick_count,
+ &new_brickinfo, prefix);
if (ret)
goto out;
if (new_brickinfo->brick_id[0] == '\0')
@@ -3337,9 +3607,14 @@ out:
return ret;
}
+/* The prefix represents the type of volume to be added.
+ * It will be "volume" for normal volumes, and snap# like
+ * snap1, snap2, for snapshot volumes
+ */
static int
-glusterd_import_quota_conf (dict_t *vols, int vol_idx,
- glusterd_volinfo_t *new_volinfo)
+glusterd_import_quota_conf (dict_t *peer_data, int vol_idx,
+ glusterd_volinfo_t *new_volinfo,
+ char *prefix)
{
int gfid_idx = 0;
int gfid_count = 0;
@@ -3352,6 +3627,8 @@ glusterd_import_quota_conf (dict_t *vols, int vol_idx,
this = THIS;
GF_ASSERT (this);
+ GF_ASSERT (peer_data);
+ GF_ASSERT (prefix);
if (!glusterd_is_volume_quota_enabled (new_volinfo)) {
(void) glusterd_clean_up_quota_store (new_volinfo);
@@ -3368,22 +3645,23 @@ glusterd_import_quota_conf (dict_t *vols, int vol_idx,
goto out;
}
- snprintf (key, sizeof (key)-1, "volume%d.quota-cksum", vol_idx);
+ snprintf (key, sizeof (key)-1, "%s%d.quota-cksum", prefix, vol_idx);
key[sizeof(key)-1] = '\0';
- ret = dict_get_uint32 (vols, key, &new_volinfo->quota_conf_cksum);
+ ret = dict_get_uint32 (peer_data, key, &new_volinfo->quota_conf_cksum);
if (ret)
gf_log (this->name, GF_LOG_DEBUG, "Failed to get quota cksum");
- snprintf (key, sizeof (key)-1, "volume%d.quota-version", vol_idx);
+ snprintf (key, sizeof (key)-1, "%s%d.quota-version", prefix, vol_idx);
key[sizeof(key)-1] = '\0';
- ret = dict_get_uint32 (vols, key, &new_volinfo->quota_conf_version);
+ ret = dict_get_uint32 (peer_data, key,
+ &new_volinfo->quota_conf_version);
if (ret)
gf_log (this->name, GF_LOG_DEBUG, "Failed to get quota "
"version");
- snprintf (key, sizeof (key)-1, "volume%d.gfid-count", vol_idx);
+ snprintf (key, sizeof (key)-1, "%s%d.gfid-count", prefix, vol_idx);
key[sizeof(key)-1] = '\0';
- ret = dict_get_int32 (vols, key, &gfid_count);
+ ret = dict_get_int32 (peer_data, key, &gfid_count);
if (ret)
goto out;
@@ -3397,10 +3675,10 @@ glusterd_import_quota_conf (dict_t *vols, int vol_idx,
gfid_idx = 0;
for (gfid_idx = 0; gfid_idx < gfid_count; gfid_idx++) {
- snprintf (key, sizeof (key)-1, "volume%d.gfid%d",
- vol_idx, gfid_idx);
+ snprintf (key, sizeof (key)-1, "%s%d.gfid%d",
+ prefix, vol_idx, gfid_idx);
key[sizeof(key)-1] = '\0';
- ret = dict_get_str (vols, key, &gfid_str);
+ ret = dict_get_str (peer_data, key, &gfid_str);
if (ret)
goto out;
@@ -3481,15 +3759,22 @@ out:
return ret;
}
+/* The prefix represents the type of volume to be added.
+ * It will be "volume" for normal volumes, and snap# like
+ * snap1, snap2, for snapshot volumes
+ */
int32_t
-glusterd_import_volinfo (dict_t *vols, int count,
- glusterd_volinfo_t **volinfo)
+glusterd_import_volinfo (dict_t *peer_data, int count,
+ glusterd_volinfo_t **volinfo,
+ char *prefix)
{
int ret = -1;
char key[256] = {0};
+ char *parent_volname = NULL;
char *volname = NULL;
glusterd_volinfo_t *new_volinfo = NULL;
char *volume_id_str = NULL;
+ char *restored_snap = NULL;
char msg[2048] = {0};
char *src_brick = NULL;
char *dst_brick = NULL;
@@ -3501,50 +3786,49 @@ glusterd_import_volinfo (dict_t *vols, int count,
int client_op_version = 0;
uint32_t is_snap_volume = 0;
- GF_ASSERT (vols);
+ GF_ASSERT (peer_data);
GF_ASSERT (volinfo);
+ GF_ASSERT (prefix);
- snprintf (key, sizeof (key), "volume%d.name", count);
- ret = dict_get_str (vols, key, &volname);
+ snprintf (key, sizeof (key), "%s%d.name", prefix, count);
+ ret = dict_get_str (peer_data, key, &volname);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload", key);
goto out;
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.is_snap_volume", count);
- ret = dict_get_uint32 (vols, key, &is_snap_volume);
+ snprintf (key, sizeof (key), "%s%d.is_snap_volume", prefix, count);
+ ret = dict_get_uint32 (peer_data, key, &is_snap_volume);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
goto out;
}
- if (is_snap_volume == _gf_true) {
- gf_log (THIS->name, GF_LOG_DEBUG,
- "Not syncing snap volume %s", volname);
- ret = 0;
- goto out;
- }
-
ret = glusterd_volinfo_new (&new_volinfo);
if (ret)
goto out;
strncpy (new_volinfo->volname, volname, sizeof (new_volinfo->volname));
-
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.type", count);
- ret = dict_get_int32 (vols, key, &new_volinfo->type);
+ snprintf (key, sizeof (key), "%s%d.type", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &new_volinfo->type);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
goto out;
}
+ snprintf (key, sizeof (key), "%s%d.parent_volname", prefix, count);
+ ret = dict_get_str (peer_data, key, &parent_volname);
+ if (!ret)
+ strncpy (new_volinfo->parent_volname, parent_volname,
+ sizeof(new_volinfo->parent_volname));
+
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.brick_count", count);
- ret = dict_get_int32 (vols, key, &new_volinfo->brick_count);
+ snprintf (key, sizeof (key), "%s%d.brick_count", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &new_volinfo->brick_count);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3552,8 +3836,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.version", count);
- ret = dict_get_int32 (vols, key, &new_volinfo->version);
+ snprintf (key, sizeof (key), "%s%d.version", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &new_volinfo->version);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3561,8 +3845,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.status", count);
- ret = dict_get_int32 (vols, key, (int32_t *)&new_volinfo->status);
+ snprintf (key, sizeof (key), "%s%d.status", prefix, count);
+ ret = dict_get_int32 (peer_data, key, (int32_t *)&new_volinfo->status);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3570,8 +3854,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.sub_count", count);
- ret = dict_get_int32 (vols, key, &new_volinfo->sub_count);
+ snprintf (key, sizeof (key), "%s%d.sub_count", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &new_volinfo->sub_count);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3581,8 +3865,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
/* not having a 'stripe_count' key is not a error
(as peer may be of old version) */
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.stripe_count", count);
- ret = dict_get_int32 (vols, key, &new_volinfo->stripe_count);
+ snprintf (key, sizeof (key), "%s%d.stripe_count", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &new_volinfo->stripe_count);
if (ret)
gf_log (THIS->name, GF_LOG_INFO,
"peer is possibly old version");
@@ -3590,8 +3874,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
/* not having a 'replica_count' key is not a error
(as peer may be of old version) */
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.replica_count", count);
- ret = dict_get_int32 (vols, key, &new_volinfo->replica_count);
+ snprintf (key, sizeof (key), "%s%d.replica_count", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &new_volinfo->replica_count);
if (ret)
gf_log (THIS->name, GF_LOG_INFO,
"peer is possibly old version");
@@ -3599,16 +3883,16 @@ glusterd_import_volinfo (dict_t *vols, int count,
/* not having a 'dist_count' key is not a error
(as peer may be of old version) */
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.dist_count", count);
- ret = dict_get_int32 (vols, key, &new_volinfo->dist_leaf_count);
+ snprintf (key, sizeof (key), "%s%d.dist_count", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &new_volinfo->dist_leaf_count);
if (ret)
gf_log (THIS->name, GF_LOG_INFO,
"peer is possibly old version");
new_volinfo->subvol_count = new_volinfo->brick_count/
glusterd_get_dist_leaf_count (new_volinfo);
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.ckusm", count);
- ret = dict_get_uint32 (vols, key, &new_volinfo->cksum);
+ snprintf (key, sizeof (key), "%s%d.ckusm", prefix, count);
+ ret = dict_get_uint32 (peer_data, key, &new_volinfo->cksum);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3616,8 +3900,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.volume_id", count);
- ret = dict_get_str (vols, key, &volume_id_str);
+ snprintf (key, sizeof (key), "%s%d.volume_id", prefix, count);
+ ret = dict_get_str (peer_data, key, &volume_id_str);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3627,8 +3911,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
uuid_parse (volume_id_str, new_volinfo->volume_id);
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.username", count);
- ret = dict_get_str (vols, key, &str);
+ snprintf (key, sizeof (key), "%s%d.username", prefix, count);
+ ret = dict_get_str (peer_data, key, &str);
if (!ret) {
ret = glusterd_auth_set_username (new_volinfo, str);
if (ret)
@@ -3636,8 +3920,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.password", count);
- ret = dict_get_str (vols, key, &str);
+ snprintf (key, sizeof (key), "%s%d.password", prefix, count);
+ ret = dict_get_str (peer_data, key, &str);
if (!ret) {
ret = glusterd_auth_set_password (new_volinfo, str);
if (ret)
@@ -3645,8 +3929,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.transport_type", count);
- ret = dict_get_uint32 (vols, key, &new_volinfo->transport_type);
+ snprintf (key, sizeof (key), "%s%d.transport_type", prefix, count);
+ ret = dict_get_uint32 (peer_data, key, &new_volinfo->transport_type);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3655,17 +3939,19 @@ glusterd_import_volinfo (dict_t *vols, int count,
new_volinfo->is_snap_volume = is_snap_volume;
- snprintf (key, sizeof (key), "volume%d.is_volume_restored", count);
- ret = dict_get_uint32 (vols, key, &new_volinfo->is_volume_restored);
+ snprintf (key, sizeof (key), "%s%d.restored_from_snap", prefix, count);
+ ret = dict_get_str (peer_data, key, &restored_snap);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "Failed to get "
- "is_volume_restored option for %s",
- volname);
+ snprintf (msg, sizeof (msg), "%s missing in payload for %s",
+ key, volname);
goto out;
}
- snprintf (key, sizeof (key), "volume%d.snap-max-hard-limit", count);
- ret = dict_get_uint64 (vols, key, &new_volinfo->snap_max_hard_limit);
+ uuid_parse (restored_snap, new_volinfo->restored_from_snap);
+
+ snprintf (key, sizeof (key), "%s%d.snap-max-hard-limit", prefix, count);
+ ret = dict_get_uint64 (peer_data, key,
+ &new_volinfo->snap_max_hard_limit);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3673,8 +3959,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.rebalance", count);
- ret = dict_get_uint32 (vols, key, &new_volinfo->rebal.defrag_cmd);
+ snprintf (key, sizeof (key), "%s%d.rebalance", prefix, count);
+ ret = dict_get_uint32 (peer_data, key, &new_volinfo->rebal.defrag_cmd);
if (ret) {
snprintf (msg, sizeof (msg), "%s missing in payload for %s",
key, volname);
@@ -3682,8 +3968,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.rebalance-id", count);
- ret = dict_get_str (vols, key, &rebalance_id_str);
+ snprintf (key, sizeof (key), "%s%d.rebalance-id", prefix, count);
+ ret = dict_get_str (peer_data, key, &rebalance_id_str);
if (ret) {
/* This is not present in older glusterfs versions,
* so don't error out
@@ -3694,15 +3980,17 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.rebalance-op", count);
- ret = dict_get_uint32 (vols, key,(uint32_t *) &new_volinfo->rebal.op);
+ snprintf (key, sizeof (key), "%s%d.rebalance-op", prefix, count);
+ ret = dict_get_uint32 (peer_data, key,
+ (uint32_t *) &new_volinfo->rebal.op);
if (ret) {
/* This is not present in older glusterfs versions,
* so don't error out
*/
ret = 0;
}
- ret = gd_import_friend_volume_rebal_dict (vols, count, new_volinfo);
+ ret = gd_import_friend_volume_rebal_dict (peer_data, count,
+ new_volinfo);
if (ret) {
snprintf (msg, sizeof (msg), "Failed to import rebalance dict "
"for volume.");
@@ -3710,8 +3998,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, 256, "volume%d."GLUSTERD_STORE_KEY_RB_STATUS, count);
- ret = dict_get_int32 (vols, key, &rb_status);
+ snprintf (key, 256, "%s%d."GLUSTERD_STORE_KEY_RB_STATUS, prefix, count);
+ ret = dict_get_int32 (peer_data, key, &rb_status);
if (ret)
goto out;
new_volinfo->rep_brick.rb_status = rb_status;
@@ -3719,9 +4007,9 @@ glusterd_import_volinfo (dict_t *vols, int count,
if (new_volinfo->rep_brick.rb_status > GF_RB_STATUS_NONE) {
memset (key, 0, sizeof (key));
- snprintf (key, 256, "volume%d."GLUSTERD_STORE_KEY_RB_SRC_BRICK,
- count);
- ret = dict_get_str (vols, key, &src_brick);
+ snprintf (key, 256, "%s%d."GLUSTERD_STORE_KEY_RB_SRC_BRICK,
+ prefix, count);
+ ret = dict_get_str (peer_data, key, &src_brick);
if (ret)
goto out;
@@ -3734,9 +4022,9 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, 256, "volume%d."GLUSTERD_STORE_KEY_RB_DST_BRICK,
- count);
- ret = dict_get_str (vols, key, &dst_brick);
+ snprintf (key, 256, "%s%d."GLUSTERD_STORE_KEY_RB_DST_BRICK,
+ prefix, count);
+ ret = dict_get_str (peer_data, key, &dst_brick);
if (ret)
goto out;
@@ -3749,8 +4037,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.rb_id", count);
- ret = dict_get_str (vols, key, &rb_id_str);
+ snprintf (key, sizeof (key), "%s%d.rb_id", prefix, count);
+ ret = dict_get_str (peer_data, key, &rb_id_str);
if (ret) {
/* This is not present in older glusterfs versions,
* so don't error out
@@ -3762,7 +4050,8 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
- ret = glusterd_import_friend_volume_opts (vols, count, new_volinfo);
+ ret = glusterd_import_friend_volume_opts (peer_data, count,
+ new_volinfo);
if (ret)
goto out;
@@ -3775,13 +4064,13 @@ glusterd_import_volinfo (dict_t *vols, int count,
* present. Only one being present is a failure
*/
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.op-version", count);
- ret = dict_get_int32 (vols, key, &op_version);
+ snprintf (key, sizeof (key), "%s%d.op-version", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &op_version);
if (ret)
ret = 0;
memset (key, 0, sizeof (key));
- snprintf (key, sizeof (key), "volume%d.client-op-version", count);
- ret = dict_get_int32 (vols, key, &client_op_version);
+ snprintf (key, sizeof (key), "%s%d.client-op-version", prefix, count);
+ ret = dict_get_int32 (peer_data, key, &client_op_version);
if (ret)
ret = 0;
@@ -3800,11 +4089,11 @@ glusterd_import_volinfo (dict_t *vols, int count,
}
memset (key, 0 ,sizeof (key));
- snprintf (key, sizeof (key), "volume%d.caps", count);
+ snprintf (key, sizeof (key), "%s%d.caps", prefix, count);
/*This is not present in older glusterfs versions, so ignore ret value*/
- ret = dict_get_int32 (vols, key, &new_volinfo->caps);
+ ret = dict_get_int32 (peer_data, key, &new_volinfo->caps);
- ret = glusterd_import_bricks (vols, count, new_volinfo);
+ ret = glusterd_import_bricks (peer_data, count, new_volinfo, prefix);
if (ret)
goto out;
@@ -3881,7 +4170,11 @@ glusterd_volinfo_stop_stale_bricks (glusterd_volinfo_t *new_volinfo,
old_brickinfo->hostname,
old_brickinfo->path,
new_volinfo, &new_brickinfo);
- if (ret) {
+ /* If the brick is stale, i.e it's not a part of the new volume
+ * or if it's part of the new volume and is pending a snap,
+ * then stop the brick process
+ */
+ if (ret || (new_brickinfo->snap_status == -1)) {
/*TODO: may need to switch to 'atomic' flavour of
* brick_stop, once we make peer rpc program also
* synctask enabled*/
@@ -3903,9 +4196,34 @@ int32_t
glusterd_delete_stale_volume (glusterd_volinfo_t *stale_volinfo,
glusterd_volinfo_t *valid_volinfo)
{
+ int32_t ret = -1;
+ glusterd_volinfo_t *temp_volinfo = NULL;
+ glusterd_volinfo_t *voliter = NULL;
+ xlator_t *this = NULL;
+
GF_ASSERT (stale_volinfo);
GF_ASSERT (valid_volinfo);
+ /* Copy snap_volumes list from stale_volinfo to valid_volinfo */
+ valid_volinfo->snap_count = 0;
+ list_for_each_entry_safe (voliter, temp_volinfo,
+ &stale_volinfo->snap_volumes, snapvol_list) {
+ list_add_tail (&voliter->snapvol_list,
+ &valid_volinfo->snap_volumes);
+ valid_volinfo->snap_count++;
+ }
+
+ if ((!uuid_is_null (stale_volinfo->restored_from_snap)) &&
+ (uuid_compare (stale_volinfo->restored_from_snap,
+ valid_volinfo->restored_from_snap))) {
+ ret = glusterd_lvm_snapshot_remove (NULL, stale_volinfo);
+ if (ret) {
+ gf_log(this->name, GF_LOG_WARNING,
+ "Failed to remove lvm snapshot for "
+ "restored volume %s", stale_volinfo->volname);
+ }
+ }
+
/* If stale volume is in started state, copy the port numbers of the
* local bricks if they exist in the valid volume information.
* stop stale bricks. Stale volume information is going to be deleted.
@@ -3992,7 +4310,7 @@ out:
}
int32_t
-glusterd_import_friend_volume (dict_t *vols, size_t count)
+glusterd_import_friend_volume (dict_t *peer_data, size_t count)
{
int32_t ret = -1;
@@ -4001,13 +4319,14 @@ glusterd_import_friend_volume (dict_t *vols, size_t count)
glusterd_volinfo_t *old_volinfo = NULL;
glusterd_volinfo_t *new_volinfo = NULL;
- GF_ASSERT (vols);
+ GF_ASSERT (peer_data);
this = THIS;
GF_ASSERT (this);
priv = this->private;
GF_ASSERT (priv);
- ret = glusterd_import_volinfo (vols, count, &new_volinfo);
+ ret = glusterd_import_volinfo (peer_data, count,
+ &new_volinfo, "volume");
if (ret)
goto out;
@@ -4033,7 +4352,8 @@ glusterd_import_friend_volume (dict_t *vols, size_t count)
if (ret)
goto out;
- ret = glusterd_import_quota_conf (vols, count, new_volinfo);
+ ret = glusterd_import_quota_conf (peer_data, count,
+ new_volinfo, "volume");
if (ret)
goto out;
@@ -4045,20 +4365,20 @@ out:
}
int32_t
-glusterd_import_friend_volumes (dict_t *vols)
+glusterd_import_friend_volumes (dict_t *peer_data)
{
int32_t ret = -1;
int32_t count = 0;
int i = 1;
- GF_ASSERT (vols);
+ GF_ASSERT (peer_data);
- ret = dict_get_int32 (vols, "count", &count);
+ ret = dict_get_int32 (peer_data, "count", &count);
if (ret)
goto out;
while (i <= count) {
- ret = glusterd_import_friend_volume (vols, i);
+ ret = glusterd_import_friend_volume (peer_data, i);
if (ret)
goto out;
i++;
@@ -4159,25 +4479,840 @@ out:
}
int32_t
-glusterd_compare_friend_data (dict_t *vols, int32_t *status, char *hostname)
+glusterd_perform_missed_op (glusterd_snap_t *snap, int32_t op)
{
- int32_t ret = -1;
- int32_t count = 0;
- int i = 1;
- gf_boolean_t update = _gf_false;
- gf_boolean_t stale_nfs = _gf_false;
- gf_boolean_t stale_shd = _gf_false;
- gf_boolean_t stale_qd = _gf_false;
+ dict_t *dict = NULL;
+ int32_t ret = -1;
+ glusterd_conf_t *priv = NULL;
+ glusterd_volinfo_t *snap_volinfo = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ xlator_t *this = NULL;
+ uuid_t null_uuid = {0};
+
+ this = THIS;
+ GF_ASSERT (this);
+
+ priv = this->private;
+ GF_ASSERT (priv);
+ GF_ASSERT (snap);
+
+ dict = dict_new();
+ if (!dict) {
+ gf_log (this->name, GF_LOG_ERROR, "Unable to create dict");
+ ret = -1;
+ goto out;
+ }
+
+ switch (op) {
+ case GF_SNAP_OPTION_TYPE_DELETE:
+ ret = glusterd_snap_remove (dict, snap, _gf_true, _gf_false);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to remove snap");
+ goto out;
+ }
+
+ break;
+ case GF_SNAP_OPTION_TYPE_RESTORE:
+ /* TODO : As of now there is only volume in snapshot.
+ * Change this when multiple volume snapshot is introduced
+ */
+ snap_volinfo = list_entry (snap->volumes.next,
+ glusterd_volinfo_t, vol_list);
+
+ /* Find the parent volinfo */
+ ret = glusterd_volinfo_find (snap_volinfo->parent_volname,
+ &volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Could not get volinfo of %s",
+ snap_volinfo->parent_volname);
+ goto out;
+ }
+
+ /* Bump down the original volinfo's version, coz it would have
+ * incremented already due to volume handshake
+ */
+ volinfo->version--;
+ uuid_copy (volinfo->restored_from_snap, null_uuid);
+
+ /* Perform the restore */
+ ret = gd_restore_snap_volume (dict, volinfo, snap_volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to restore "
+ "snap for %s", snap->snapname);
+ volinfo->version++;
+ goto out;
+ }
+
+ break;
+ default:
+ /* The entry must be a create, delete, or
+ * restore entry
+ */
+ gf_log (this->name, GF_LOG_ERROR, "Invalid missed snap entry");
+ ret = -1;
+ goto out;
+ }
+
+out:
+ dict_unref (dict);
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+/* Perform missed deletes and restores on this node */
+int32_t
+glusterd_perform_missed_snap_ops ()
+{
+ int32_t ret = -1;
+ int32_t op_status = -1;
+ glusterd_conf_t *priv = NULL;
+ glusterd_missed_snap_info *missed_snapinfo = NULL;
+ glusterd_snap_op_t *snap_opinfo = NULL;
+ glusterd_snap_t *snap = NULL;
+ uuid_t snap_uuid = {0,};
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ list_for_each_entry (missed_snapinfo, &priv->missed_snaps_list,
+ missed_snaps) {
+ /* If the pending snap_op is not for this node then continue */
+ if (strcmp (missed_snapinfo->node_uuid, uuid_utoa (MY_UUID)))
+ continue;
+
+ /* Find the snap id */
+ uuid_parse (missed_snapinfo->snap_uuid, snap_uuid);
+ snap = NULL;
+ snap = glusterd_find_snap_by_id (snap_uuid);
+ if (!snap) {
+ /* If the snap is not found, then a delete or a
+ * restore can't be pending on that snap_uuid.
+ */
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Not a pending delete or restore op");
+ continue;
+ }
- GF_ASSERT (vols);
+ op_status = GD_MISSED_SNAP_PENDING;
+ list_for_each_entry (snap_opinfo, &missed_snapinfo->snap_ops,
+ snap_ops_list) {
+ /* If the snap_op is create or its status is
+ * GD_MISSED_SNAP_DONE then continue
+ */
+ if ((snap_opinfo->status == GD_MISSED_SNAP_DONE) ||
+ (snap_opinfo->op == GF_SNAP_OPTION_TYPE_CREATE))
+ continue;
+
+ /* Perform the actual op for the first time for
+ * this snap, and mark the snap_status as
+ * GD_MISSED_SNAP_DONE. For other entries for the same
+ * snap, just mark the entry as done.
+ */
+ if (op_status == GD_MISSED_SNAP_PENDING) {
+ ret = glusterd_perform_missed_op
+ (snap,
+ snap_opinfo->op);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to perform missed snap op");
+ goto out;
+ }
+ op_status = GD_MISSED_SNAP_DONE;
+ }
+
+ snap_opinfo->status = GD_MISSED_SNAP_DONE;
+ }
+ }
+
+ ret = 0;
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+/* Import friend volumes missed_snap_list and update *
+ * missed_snap_list if need be */
+int32_t
+glusterd_import_friend_missed_snap_list (dict_t *peer_data)
+{
+ int32_t missed_snap_count = -1;
+ int32_t ret = -1;
+ glusterd_conf_t *priv = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (peer_data);
+
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ /* Add the friends missed_snaps entries to the in-memory list */
+ ret = dict_get_int32 (peer_data, "missed_snap_count",
+ &missed_snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_INFO,
+ "No missed snaps");
+ ret = 0;
+ goto out;
+ }
+
+ ret = glusterd_add_missed_snaps_to_list (peer_data,
+ missed_snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to add missed snaps to list");
+ goto out;
+ }
+
+ ret = glusterd_perform_missed_snap_ops ();
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to perform snap operations");
+ /* Not going to out at this point coz some *
+ * missed ops might have been performed. We *
+ * need to persist the current list *
+ */
+ }
+
+ ret = glusterd_store_update_missed_snaps ();
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to update missed_snaps_list");
+ goto out;
+ }
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+/* Check for the peer_snap_name in the list of existing snapshots.
+ * If a snap exists with the same name and a different snap_id, then
+ * there is a conflict. Set conflict as _gf_true, and snap to the
+ * conflicting snap object. If a snap exists with the same name, and the
+ * same snap_id, then there is no conflict. Set conflict as _gf_false
+ * and snap to the existing snap object. If no snap exists with the
+ * peer_snap_name, then there is no conflict. Set conflict as _gf_false
+ * and snap to NULL.
+ */
+void
+glusterd_is_peer_snap_conflicting (char *peer_snap_name, char *peer_snap_id,
+ gf_boolean_t *conflict,
+ glusterd_snap_t **snap, char *hostname)
+{
+ uuid_t peer_snap_uuid = {0,};
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (peer_snap_name);
+ GF_ASSERT (peer_snap_id);
+ GF_ASSERT (conflict);
+ GF_ASSERT (snap);
+ GF_ASSERT (hostname);
+
+ *snap = glusterd_find_snap_by_name (peer_snap_name);
+ if (*snap) {
+ uuid_parse (peer_snap_id, peer_snap_uuid);
+ if (!uuid_compare (peer_snap_uuid, (*snap)->snap_id)) {
+ /* Current node contains the same snap having
+ * the same snapname and snap_id
+ */
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Snapshot %s from peer %s present in "
+ "localhost", peer_snap_name, hostname);
+ *conflict = _gf_false;
+ } else {
+ /* Current node contains the same snap having
+ * the same snapname but different snap_id
+ */
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Snapshot %s from peer %s conflicts with "
+ "snapshot in localhost", peer_snap_name,
+ hostname);
+ *conflict = _gf_true;
+ }
+ } else {
+ /* Peer contains snapshots missing on the current node */
+ gf_log (this->name, GF_LOG_INFO,
+ "Snapshot %s from peer %s missing on localhost",
+ peer_snap_name, hostname);
+ *conflict = _gf_false;
+ }
+}
+
+/* Check if the local node is hosting any bricks for the given snapshot */
+gf_boolean_t
+glusterd_are_snap_bricks_local (glusterd_snap_t *snap)
+{
+ gf_boolean_t is_local = _gf_false;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (snap);
+
+ list_for_each_entry (volinfo, &snap->volumes, vol_list) {
+ list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) {
+ if (!uuid_compare (brickinfo->uuid, MY_UUID)) {
+ is_local = _gf_true;
+ goto out;
+ }
+ }
+ }
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", is_local);
+ return is_local;
+}
+
+/* Check if the peer has missed any snap delete for the given snap_id */
+gf_boolean_t
+glusterd_peer_has_missed_snap_delete (glusterd_peerinfo_t *peerinfo,
+ char *peer_snap_id)
+{
+ char *peer_uuid = NULL;
+ gf_boolean_t missed_delete = _gf_false;
+ glusterd_conf_t *priv = NULL;
+ glusterd_missed_snap_info *missed_snapinfo = NULL;
+ glusterd_snap_op_t *snap_opinfo = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+ GF_ASSERT (peerinfo);
+ GF_ASSERT (peer_snap_id);
+
+ peer_uuid = uuid_utoa (peerinfo->uuid);
+
+ list_for_each_entry (missed_snapinfo, &priv->missed_snaps_list,
+ missed_snaps) {
+ /* Look for missed snap for the same peer, and
+ * the same snap_id
+ */
+ if ((!strcmp (peer_uuid, missed_snapinfo->node_uuid)) &&
+ (!strcmp (peer_snap_id, missed_snapinfo->snap_uuid))) {
+ /* Check if the missed snap's op is delete and the
+ * status is pending
+ */
+ list_for_each_entry (snap_opinfo,
+ &missed_snapinfo->snap_ops,
+ snap_ops_list) {
+ if ((snap_opinfo->op ==
+ GF_SNAP_OPTION_TYPE_DELETE) &&
+ (snap_opinfo->status ==
+ GD_MISSED_SNAP_PENDING)) {
+ missed_delete = _gf_true;
+ goto out;
+ }
+ }
+ }
+ }
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", missed_delete);
+ return missed_delete;
+}
+
+/* Genrate and store snap volfiles for imported snap object */
+int32_t
+glusterd_gen_snap_volfiles (glusterd_volinfo_t *snap_vol, char *peer_snap_name)
+{
+ int32_t ret = -1;
+ xlator_t *this = NULL;
+ glusterd_volinfo_t *parent_volinfo = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (snap_vol);
+ GF_ASSERT (peer_snap_name);
+
+ ret = glusterd_store_volinfo (snap_vol, GLUSTERD_VOLINFO_VER_AC_NONE);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to store snapshot "
+ "volinfo (%s) for snap %s", snap_vol->volname,
+ peer_snap_name);
+ goto out;
+ }
+
+ ret = generate_brick_volfiles (snap_vol);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "generating the brick volfiles for the "
+ "snap %s failed", peer_snap_name);
+ goto out;
+ }
+
+ ret = generate_client_volfiles (snap_vol, GF_CLIENT_TRUSTED);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "generating the trusted client volfiles for "
+ "the snap %s failed", peer_snap_name);
+ goto out;
+ }
+
+ ret = generate_client_volfiles (snap_vol, GF_CLIENT_OTHER);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "generating the client volfiles for the "
+ "snap %s failed", peer_snap_name);
+ goto out;
+ }
+
+ ret = glusterd_volinfo_find (snap_vol->parent_volname,
+ &parent_volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Parent volinfo "
+ "not found for %s volume of snap %s",
+ snap_vol->volname, peer_snap_name);
+ goto out;
+ }
+
+ glusterd_list_add_snapvol (parent_volinfo, snap_vol);
+
+ list_for_each_entry (brickinfo, &snap_vol->bricks, brick_list) {
+ if (uuid_compare (brickinfo->uuid, MY_UUID))
+ continue;
+
+ if (brickinfo->snap_status == -1) {
+ gf_log (this->name, GF_LOG_INFO,
+ "not starting snap brick %s:%s for "
+ "for the snap %s (volume: %s)",
+ brickinfo->hostname, brickinfo->path,
+ peer_snap_name, parent_volinfo->volname);
+ continue;
+ }
+
+ ret = glusterd_brick_start (snap_vol, brickinfo, _gf_true);
+ if (ret) {
+ gf_log (this->name, GF_LOG_WARNING, "starting the "
+ "brick %s:%s for the snap %s (volume: %s) "
+ "failed", brickinfo->hostname, brickinfo->path,
+ peer_snap_name, parent_volinfo->volname);
+ goto out;
+ }
+ }
+
+ snap_vol->status = GLUSTERD_STATUS_STARTED;
+
+ ret = glusterd_store_volinfo (snap_vol, GLUSTERD_VOLINFO_VER_AC_NONE);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to store snap volinfo");
+ goto out;
+ }
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+/* Import snapshot info from peer_data and add it to priv */
+int32_t
+glusterd_import_friend_snap (dict_t *peer_data, int32_t snap_count,
+ char *peer_snap_name, char *peer_snap_id)
+{
+ char buf[NAME_MAX] = "";
+ char prefix[NAME_MAX] = "";
+ dict_t *dict = NULL;
+ glusterd_snap_t *snap = NULL;
+ glusterd_volinfo_t *snap_vol = NULL;
+ glusterd_conf_t *priv = NULL;
+ int32_t ret = -1;
+ int32_t volcount = -1;
+ int32_t i = -1;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+ GF_ASSERT (peer_data);
+ GF_ASSERT (peer_snap_name);
+ GF_ASSERT (peer_snap_id);
+
+ snprintf (prefix, sizeof(prefix), "snap%d", snap_count);
+
+ snap = glusterd_new_snap_object ();
+ if (!snap) {
+ gf_log (this->name, GF_LOG_ERROR, "Could not create "
+ "the snap object for snap %s", peer_snap_name);
+ goto out;
+ }
+
+ strcpy (snap->snapname, peer_snap_name);
+ uuid_parse (peer_snap_id, snap->snap_id);
+
+ snprintf (buf, sizeof(buf), "%s.snapid", prefix);
+ ret = dict_get_str (peer_data, buf, &snap->description);
+
+ snprintf (buf, sizeof(buf), "%s.time_stamp", prefix);
+ ret = dict_get_int64 (peer_data, buf, &snap->time_stamp);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to get time_stamp for snap %s",
+ peer_snap_name);
+ goto out;
+ }
+
+ snprintf (buf, sizeof(buf), "%s.snap_restored", prefix);
+ ret = dict_get_int8 (peer_data, buf, (int8_t *) &snap->snap_restored);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to get snap_restored for snap %s",
+ peer_snap_name);
+ goto out;
+ }
+
+ snprintf (buf, sizeof(buf), "%s.snap_status", prefix);
+ ret = dict_get_int32 (peer_data, buf, (int32_t *) &snap->snap_status);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to get snap_status for snap %s",
+ peer_snap_name);
+ goto out;
+ }
+
+ snprintf (buf, sizeof(buf), "%s.volcount", prefix);
+ ret = dict_get_int32 (peer_data, buf, &volcount);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to get volcount for snap %s",
+ peer_snap_name);
+ goto out;
+ }
+
+ ret = glusterd_store_create_snap_dir (snap);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Failed to create snap dir");
+ goto out;
+ }
+
+ list_add_order (&snap->snap_list, &priv->snapshots,
+ glusterd_compare_snap_time);
+
+ for (i = 1; i <= volcount; i++) {
+ ret = glusterd_import_volinfo (peer_data, i,
+ &snap_vol, prefix);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to import snap volinfo for "
+ "snap %s", peer_snap_name);
+ goto out;
+ }
+
+ snap_vol->snapshot = snap;
+
+ ret = glusterd_gen_snap_volfiles (snap_vol, peer_snap_name);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to generate snap vol files "
+ "for snap %s", peer_snap_name);
+ goto out;
+ }
+
+ ret = glusterd_import_quota_conf (peer_data, i,
+ snap_vol, prefix);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to import quota conf "
+ "for snap %s", peer_snap_name);
+ goto out;
+ }
+
+ snap_vol = NULL;
+ }
+
+ ret = glusterd_store_snap (snap);
+ if (ret) {
+ gf_log (this->name, GF_LOG_WARNING, "Could not store snap"
+ "object %s", peer_snap_name);
+ goto out;
+ }
+
+out:
+ if (ret)
+ glusterd_snap_remove (dict, snap,
+ _gf_true, _gf_true);
+
+ if (dict)
+ dict_unref (dict);
+
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+/* During a peer-handshake, after the volumes have synced, and the list of
+ * missed snapshots have synced, the node will perform the pending deletes
+ * and restores on this list. At this point, the current snapshot list in
+ * the node will be updated, and hence in case of conflicts arising during
+ * snapshot handshake, the peer hosting the bricks will be given precedence
+ * Likewise, if there will be a conflict, and both peers will be in the same
+ * state, i.e either both would be hosting bricks or both would not be hosting
+ * bricks, then a decision can't be taken and a peer-reject will happen.
+ *
+ * glusterd_compare_and_update_snap() implements the following algorithm to
+ * perform the above task:
+ * Step 1: Start.
+ * Step 2: Check if the peer is missing a delete on the said snap.
+ * If yes, goto step 6.
+ * Step 3: Check if there is a conflict between the peer's data and the
+ * local snap. If no, goto step 5.
+ * Step 4: As there is a conflict, check if both the peer and the local nodes
+ * are hosting bricks. Based on the results perform the following:
+ * Peer Hosts Bricks Local Node Hosts Bricks Action
+ * Yes Yes Goto Step 7
+ * No No Goto Step 7
+ * Yes No Goto Step 8
+ * No Yes Goto Step 6
+ * Step 5: Check if the local node is missing the peer's data.
+ * If yes, goto step 9.
+ * Step 6: It's a no-op. Goto step 10
+ * Step 7: Peer Reject. Goto step 10
+ * Step 8: Delete local node's data.
+ * Step 9: Accept Peer Data.
+ * Step 10: Stop
+ *
+ */
+int32_t
+glusterd_compare_and_update_snap (dict_t *peer_data, int32_t snap_count,
+ glusterd_peerinfo_t *peerinfo)
+{
+ char buf[NAME_MAX] = "";
+ char prefix[NAME_MAX] = "";
+ char *peer_snap_name = NULL;
+ char *peer_snap_id = NULL;
+ dict_t *dict = NULL;
+ glusterd_snap_t *snap = NULL;
+ gf_boolean_t conflict = _gf_false;
+ gf_boolean_t is_local = _gf_false;
+ gf_boolean_t is_hosted = _gf_false;
+ gf_boolean_t missed_delete = _gf_false;
+ int32_t ret = -1;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (peer_data);
+ GF_ASSERT (peerinfo);
+
+ snprintf (prefix, sizeof(prefix), "snap%d", snap_count);
+
+ /* Fetch the peer's snapname */
+ snprintf (buf, sizeof(buf), "%s.snapname", prefix);
+ ret = dict_get_str (peer_data, buf, &peer_snap_name);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to fetch snapname from peer: %s",
+ peerinfo->hostname);
+ goto out;
+ }
+
+ /* Fetch the peer's snap_id */
+ snprintf (buf, sizeof(buf), "%s.snap_id", prefix);
+ ret = dict_get_str (peer_data, buf, &peer_snap_id);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to fetch snap_id from peer: %s",
+ peerinfo->hostname);
+ goto out;
+ }
+
+ /* Check if the peer has missed a snap delete for the
+ * snap in question
+ */
+ missed_delete = glusterd_peer_has_missed_snap_delete (peerinfo,
+ peer_snap_id);
+ if (missed_delete == _gf_true) {
+ /* Peer has missed delete on the missing/conflicting snap_id */
+ gf_log (this->name, GF_LOG_INFO, "Peer %s has missed a delete "
+ "on snap %s", peerinfo->hostname, peer_snap_name);
+ ret = 0;
+ goto out;
+ }
+
+ /* Check if there is a conflict, and if the
+ * peer data is already present
+ */
+ glusterd_is_peer_snap_conflicting (peer_snap_name, peer_snap_id,
+ &conflict, &snap,
+ peerinfo->hostname);
+ if (conflict == _gf_false) {
+ if (snap) {
+ /* Peer has snap with the same snapname
+ * and snap_id. No need to accept peer data
+ */
+ ret = 0;
+ goto out;
+ } else {
+ /* Peer has snap with the same snapname
+ * and snap_id, which local node doesn't have.
+ */
+ goto accept_peer_data;
+ }
+ }
+
+ /* There is a conflict. Check if the current node is
+ * hosting bricks for the conflicted snap.
+ */
+ is_local = glusterd_are_snap_bricks_local (snap);
+
+ /* Check if the peer is hosting any bricks for the
+ * conflicting snap
+ */
+ snprintf (buf, sizeof(buf), "%s.host_bricks", prefix);
+ ret = dict_get_int8 (peer_data, buf, (int8_t *) &is_hosted);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to fetch host_bricks from peer: %s "
+ "for %s", peerinfo->hostname, peer_snap_name);
+ goto out;
+ }
+
+ /* As there is a conflict at this point of time, the data of the
+ * node that hosts a brick takes precedence. If both the local
+ * node and the peer are in the same state, i.e if both of them
+ * are either hosting or not hosting the bricks, for the snap,
+ * then it's a peer reject
+ */
+ if (is_hosted == is_local) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Conflict in snapshot %s with peer %s",
+ peer_snap_name, peerinfo->hostname);
+ ret = -1;
+ goto out;
+ }
+
+ if (is_hosted == _gf_false) {
+ /* If there was a conflict, and the peer is not hosting
+ * any brick, then don't accept peer data
+ */
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Peer doesn't hosts bricks for conflicting "
+ "snap(%s). Not accepting peer data.",
+ peer_snap_name);
+ ret = 0;
+ goto out;
+ }
+
+ /* The peer is hosting a brick in case of conflict
+ * And local node isn't. Hence remove local node's
+ * data and accept peer data
+ */
+
+ gf_log (this->name, GF_LOG_DEBUG, "Peer hosts bricks for conflicting "
+ "snap(%s). Removing local data. Accepting peer data.",
+ peer_snap_name);
+
+ dict = dict_new();
+ if (!dict) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to create dict");
+ ret = -1;
+ goto out;
+ }
+
+ ret = glusterd_snap_remove (dict, snap, _gf_true, _gf_false);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to remove snap %s", snap->snapname);
+ goto out;
+ }
+
+accept_peer_data:
+
+ /* Accept Peer Data */
+ ret = glusterd_import_friend_snap (peer_data, snap_count,
+ peer_snap_name, peer_snap_id);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to import snap %s from peer %s",
+ peer_snap_name, peerinfo->hostname);
+ goto out;
+ }
+
+out:
+ if (dict)
+ dict_unref (dict);
+
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+/* Compare snapshots present in peer_data, with the snapshots in
+ * the current node
+ */
+int32_t
+glusterd_compare_friend_snapshots (dict_t *peer_data,
+ glusterd_peerinfo_t *peerinfo)
+{
+ int32_t ret = -1;
+ int32_t snap_count = 0;
+ int i = 1;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (peer_data);
+ GF_ASSERT (peerinfo);
+
+ ret = dict_get_int32 (peer_data, "snap_count", &snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to fetch snap_count");
+ goto out;
+ }
+
+ for (i = 1; i <= snap_count; i++) {
+ /* Compare one snapshot from peer_data at a time */
+ ret = glusterd_compare_and_update_snap (peer_data, i, peerinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to compare snapshots with peer %s",
+ peerinfo->hostname);
+ goto out;
+ }
+ }
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+int32_t
+glusterd_compare_friend_data (dict_t *peer_data, int32_t *status,
+ char *hostname)
+{
+ int32_t ret = -1;
+ int32_t count = 0;
+ int i = 1;
+ gf_boolean_t update = _gf_false;
+ gf_boolean_t stale_nfs = _gf_false;
+ gf_boolean_t stale_shd = _gf_false;
+ gf_boolean_t stale_qd = _gf_false;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (peer_data);
GF_ASSERT (status);
- ret = dict_get_int32 (vols, "count", &count);
+ ret = dict_get_int32 (peer_data, "count", &count);
if (ret)
goto out;
while (i <= count) {
- ret = glusterd_compare_friend_volume (vols, i, status,
+ ret = glusterd_compare_friend_volume (peer_data, i, status,
hostname);
if (ret)
goto out;
@@ -4199,10 +5334,10 @@ glusterd_compare_friend_data (dict_t *vols, int32_t *status, char *hostname)
stale_shd = _gf_true;
if (glusterd_is_nodesvc_running ("quotad"))
stale_qd = _gf_true;
- ret = glusterd_import_global_opts (vols);
+ ret = glusterd_import_global_opts (peer_data);
if (ret)
goto out;
- ret = glusterd_import_friend_volumes (vols);
+ ret = glusterd_import_friend_volumes (peer_data);
if (ret)
goto out;
if (_gf_false == glusterd_are_all_volumes_stopped ()) {
@@ -4218,9 +5353,8 @@ glusterd_compare_friend_data (dict_t *vols, int32_t *status, char *hostname)
}
out:
- gf_log ("", GF_LOG_DEBUG, "Returning with ret: %d, status: %d",
- ret, *status);
-
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Returning with ret: %d, status: %d", ret, *status);
return ret;
}
@@ -4522,14 +5656,16 @@ glusterd_nodesvc_start (char *server, gf_boolean_t wait)
"--trace-children=yes", "--track-origins=yes",
NULL);
runner_argprintf (&runner, "--log-file=%s", valgrind_logfile);
- }
+ }
runner_add_args (&runner, SBIN_DIR"/glusterfs",
"-s", "localhost",
"--volfile-id", volfileid,
"-p", pidfile,
"-l", logfile,
- "-S", sockfpath, NULL);
+ "-S", sockfpath,
+ "-L", "DEBUG",
+ NULL);
if (!strcmp (server, "glustershd")) {
snprintf (glusterd_uuid_option, sizeof (glusterd_uuid_option),
@@ -5456,7 +6592,6 @@ out:
return -1;
}
-#ifdef GF_LINUX_HOST_OS
int
glusterd_get_brick_root (char *path, char **mount_point)
{
@@ -5752,7 +6887,6 @@ out:
return device;
}
-#endif
int
glusterd_add_brick_detail_to_dict (glusterd_volinfo_t *volinfo,
@@ -5826,13 +6960,12 @@ glusterd_add_brick_detail_to_dict (glusterd_volinfo_t *volinfo,
if (ret)
goto out;
}
-#ifdef GF_LINUX_HOST_OS
+
ret = glusterd_add_brick_mount_details (brickinfo, dict, count);
if (ret)
goto out;
ret = glusterd_add_inode_size_to_dict (dict, count);
-#endif
out:
if (ret)
gf_log (this->name, GF_LOG_DEBUG, "Error adding brick"
@@ -8830,7 +9963,7 @@ glusterd_snap_config_use_rsp_dict (dict_t *dst, dict_t *src)
}
for (i = 0; i < voldisplaycount; i++) {
- snprintf (buf, sizeof(buf), "volume%ld-volname", i);
+ snprintf (buf, sizeof(buf), "volume%"PRIu64"-volname", i);
ret = dict_get_str (src, buf, &volname);
if (ret) {
gf_log ("", GF_LOG_ERROR,
@@ -8845,7 +9978,7 @@ glusterd_snap_config_use_rsp_dict (dict_t *dst, dict_t *src)
}
snprintf (buf, sizeof(buf),
- "volume%ld-snap-max-hard-limit", i);
+ "volume%"PRIu64"-snap-max-hard-limit", i);
ret = dict_get_uint64 (src, buf, &value);
if (ret) {
gf_log ("", GF_LOG_ERROR,
@@ -8860,7 +9993,7 @@ glusterd_snap_config_use_rsp_dict (dict_t *dst, dict_t *src)
}
snprintf (buf, sizeof(buf),
- "volume%ld-active-hard-limit", i);
+ "volume%"PRIu64"-active-hard-limit", i);
ret = dict_get_uint64 (src, buf, &value);
if (ret) {
gf_log ("", GF_LOG_ERROR,
@@ -8875,7 +10008,7 @@ glusterd_snap_config_use_rsp_dict (dict_t *dst, dict_t *src)
}
snprintf (buf, sizeof(buf),
- "volume%ld-snap-max-soft-limit", i);
+ "volume%"PRIu64"-snap-max-soft-limit", i);
ret = dict_get_uint64 (src, buf, &value);
if (ret) {
gf_log ("", GF_LOG_ERROR,
@@ -9993,7 +11126,6 @@ glusterd_missed_snapinfo_new (glusterd_missed_snap_info **missed_snapinfo)
if (!new_missed_snapinfo)
goto out;
- new_missed_snapinfo->node_snap_info = NULL;
INIT_LIST_HEAD (&new_missed_snapinfo->missed_snaps);
INIT_LIST_HEAD (&new_missed_snapinfo->snap_ops);
@@ -10023,7 +11155,6 @@ glusterd_missed_snap_op_new (glusterd_snap_op_t **snap_op)
if (!new_snap_op)
goto out;
- new_snap_op->brick_path = NULL;
new_snap_op->brick_num = -1;
new_snap_op->op = -1;
new_snap_op->status = -1;
@@ -10376,3 +11507,38 @@ glusterd_compare_volume_name(struct list_head *list1, struct list_head *list2)
volinfo2 = list_entry(list2, glusterd_volinfo_t, vol_list);
return strcmp(volinfo1->volname, volinfo2->volname);
}
+
+int32_t
+glusterd_mount_lvm_snapshot (char *device_path, char *brick_mount_path)
+{
+ char msg[NAME_MAX] = "";
+ int32_t ret = -1;
+ runner_t runner = {0, };
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (brick_mount_path);
+ GF_ASSERT (device_path);
+
+
+ runinit (&runner);
+ snprintf (msg, sizeof (msg), "mount -o nouuid %s %s",
+ device_path, brick_mount_path);
+ runner_add_args (&runner, "mount", "-o", "nouuid", device_path,
+ brick_mount_path, NULL);
+ runner_log (&runner, this->name, GF_LOG_DEBUG, msg);
+ ret = runner_run (&runner);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "mounting the snapshot "
+ "logical device %s failed (error: %s)", device_path,
+ strerror (errno));
+ goto out;
+ } else
+ gf_log (this->name, GF_LOG_DEBUG, "mounting the snapshot "
+ "logical device %s successful", device_path);
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning with %d", ret);
+ return ret;
+}
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.h b/xlators/mgmt/glusterd/src/glusterd-utils.h
index 23f8ad7..84fa89b 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.h
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.h
@@ -8,7 +8,7 @@
cases as published by the Free Software Foundation.
*/
#ifndef _GLUSTERD_UTILS_H
-#define _GLUSTERD_UTILS_H_
+#define _GLUSTERD_UTILS_H
#ifndef _CONFIG_H
#define _CONFIG_H
@@ -182,10 +182,11 @@ glusterd_volume_brickinfo_get_by_brick (char *brick,
glusterd_brickinfo_t **brickinfo);
int32_t
-glusterd_build_volume_dict (dict_t **vols);
+glusterd_add_volumes_to_export_dict (dict_t **peer_data);
int32_t
-glusterd_compare_friend_data (dict_t *vols, int32_t *status, char *hostname);
+glusterd_compare_friend_data (dict_t *peer_data, int32_t *status,
+ char *hostname);
int
glusterd_compute_cksum (glusterd_volinfo_t *volinfo,
@@ -251,7 +252,7 @@ int
glusterd_remote_hostname_get (rpcsvc_request_t *req,
char *remote_host, int len);
int32_t
-glusterd_import_friend_volumes (dict_t *vols);
+glusterd_import_friend_volumes (dict_t *peer_data);
void
glusterd_set_volume_status (glusterd_volinfo_t *volinfo,
glusterd_volume_status status);
@@ -280,7 +281,8 @@ int32_t
glusterd_volume_count_get (void);
int32_t
glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
- dict_t *dict, int32_t count);
+ dict_t *dict, int32_t count,
+ char *prefix);
int
glusterd_get_brickinfo (xlator_t *this, const char *brickname,
int port, gf_boolean_t localhost,
@@ -684,14 +686,16 @@ glusterd_rpc_clnt_unref (glusterd_conf_t *conf, rpc_clnt_t *rpc);
int32_t
glusterd_compare_volume_name(struct list_head *, struct list_head *);
-#ifdef GF_LINUX_HOST_OS
+
char*
glusterd_get_brick_mount_details (glusterd_brickinfo_t *brickinfo);
+
struct mntent *
glusterd_get_mnt_entry_info (char *mnt_pt, FILE *mtab);
+
int
glusterd_get_brick_root (char *path, char **mount_point);
-#endif //LINUX_HOST
+
int
glusterd_compare_snap_time(struct list_head *, struct list_head *);
@@ -713,8 +717,42 @@ int32_t
glusterd_missed_snap_op_new (glusterd_snap_op_t **snap_op);
int32_t
-glusterd_add_missed_snaps_to_dict (dict_t *rsp_dict, char *snap_uuid,
+glusterd_add_missed_snaps_to_dict (dict_t *rsp_dict,
+ glusterd_volinfo_t *snap_vol,
glusterd_brickinfo_t *brickinfo,
int32_t brick_number, int32_t op);
+int32_t
+glusterd_add_missed_snaps_to_export_dict (dict_t *peer_data);
+
+int32_t
+glusterd_import_friend_missed_snap_list (dict_t *peer_data);
+
+int32_t
+gd_restore_snap_volume (dict_t *rsp_dict,
+ glusterd_volinfo_t *orig_vol,
+ glusterd_volinfo_t *snap_vol);
+
+int32_t
+glusterd_mount_lvm_snapshot (char *device_path, char *brick_mount_path);
+
+int32_t
+glusterd_add_snapshots_to_export_dict (dict_t *peer_data);
+
+int32_t
+glusterd_compare_friend_snapshots (dict_t *peer_data,
+ glusterd_peerinfo_t *peerinfo);
+
+int32_t
+glusterd_snapobject_delete (glusterd_snap_t *snap);
+
+int32_t
+glusterd_snap_volume_remove (dict_t *rsp_dict,
+ glusterd_volinfo_t *snap_vol,
+ gf_boolean_t remove_lvm,
+ gf_boolean_t force);
+
+int32_t
+glusterd_store_create_snap_dir (glusterd_snap_t *snap);
+
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c
index 332c3d3..f42d596 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c
@@ -739,7 +739,7 @@ int
glusterd_volinfo_get_boolean (glusterd_volinfo_t *volinfo, char *key)
{
char *val = NULL;
- gf_boolean_t boo = _gf_false;
+ gf_boolean_t enabled = _gf_false;
int ret = 0;
ret = glusterd_volinfo_get (volinfo, key, &val);
@@ -747,14 +747,14 @@ glusterd_volinfo_get_boolean (glusterd_volinfo_t *volinfo, char *key)
return -1;
if (val)
- ret = gf_string2boolean (val, &boo);
+ ret = gf_string2boolean (val, &enabled);
if (ret) {
gf_log ("", GF_LOG_ERROR, "value for %s option is not valid", key);
return -1;
}
- return boo;
+ return enabled;
}
gf_boolean_t
@@ -1256,8 +1256,8 @@ static int
server_check_marker_off (volgen_graph_t *graph, struct volopt_map_entry *vme,
glusterd_volinfo_t *volinfo)
{
- gf_boolean_t bool = _gf_false;
- int ret = 0;
+ gf_boolean_t enabled = _gf_false;
+ int ret = 0;
GF_ASSERT (volinfo);
GF_ASSERT (vme);
@@ -1265,8 +1265,8 @@ server_check_marker_off (volgen_graph_t *graph, struct volopt_map_entry *vme,
if (strcmp (vme->option, "!xtime") != 0)
return 0;
- ret = gf_string2boolean (vme->value, &bool);
- if (ret || bool)
+ ret = gf_string2boolean (vme->value, &enabled);
+ if (ret || enabled)
goto out;
ret = glusterd_volinfo_get_boolean (volinfo, VKEY_MARKER_XTIME);
@@ -1277,10 +1277,10 @@ server_check_marker_off (volgen_graph_t *graph, struct volopt_map_entry *vme,
}
if (ret) {
- bool = _gf_false;
- ret = glusterd_check_gsync_running (volinfo, &bool);
+ enabled = _gf_false;
+ ret = glusterd_check_gsync_running (volinfo, &enabled);
- if (bool) {
+ if (enabled) {
gf_log ("", GF_LOG_WARNING, GEOREP" sessions active"
"for the volume %s, cannot disable marker "
,volinfo->volname);
@@ -1900,6 +1900,10 @@ server_graph_builder (volgen_graph_t *graph, glusterd_volinfo_t *volinfo,
if (ret)
return -1;
+ xl = volgen_graph_add (graph, "features/barrier", volname);
+ if (!xl)
+ return -1;
+
ret = dict_get_int32 (volinfo->dict, "enable-pump", &pump);
if (ret == -ENOENT)
ret = pump = 0;
@@ -4591,128 +4595,3 @@ gd_is_boolean_option (char *key)
return _gf_false;
}
-
-/* This function will restore origin volume to it's snap.
- * The restore operation will simply replace the Gluster origin
- * volume with the snap volume.
- * TODO: Multi-volume delete to be done.
- * Cleanup in case of restore failure is pending.
- *
- * @param orig_vol volinfo of origin volume
- * @param snap_vol volinfo of snapshot volume
- *
- * @return 0 on success and negative value on error
- */
-int
-gd_restore_snap_volume (dict_t *rsp_dict,
- glusterd_volinfo_t *orig_vol,
- glusterd_volinfo_t *snap_vol)
-{
- int ret = -1;
- glusterd_volinfo_t *new_volinfo = NULL;
- glusterd_snap_t *snap = NULL;
- xlator_t *this = NULL;
- glusterd_conf_t *conf = NULL;
- glusterd_volinfo_t *temp_volinfo = NULL;
- glusterd_volinfo_t *voliter = NULL;
-
- this = THIS;
- GF_ASSERT (this);
- GF_ASSERT (rsp_dict);
- conf = this->private;
- GF_ASSERT (conf);
-
- GF_VALIDATE_OR_GOTO (this->name, orig_vol, out);
- GF_VALIDATE_OR_GOTO (this->name, snap_vol, out);
- snap = snap_vol->snapshot;
- GF_VALIDATE_OR_GOTO (this->name, snap, out);
-
- /* Snap volume must be stoped before performing the
- * restore operation.
- */
- ret = glusterd_stop_volume (snap_vol);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to stop "
- "snap volume(%s)", snap_vol->volname);
- goto out;
- }
-
- /* Create a new volinfo for the restored volume */
- ret = glusterd_volinfo_dup (snap_vol, &new_volinfo, _gf_true);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to create volinfo");
- goto out;
- }
-
- /* Following entries need to be derived from origin volume. */
- strcpy (new_volinfo->volname, orig_vol->volname);
- uuid_copy (new_volinfo->volume_id, orig_vol->volume_id);
- new_volinfo->snap_count = orig_vol->snap_count;
- new_volinfo->snap_max_hard_limit = orig_vol->snap_max_hard_limit;
- new_volinfo->is_volume_restored = _gf_true;
-
- /* Bump the version of the restored volume, so that nodes *
- * which are done can sync during handshake */
- new_volinfo->version = orig_vol->version;
-
- list_for_each_entry_safe (voliter, temp_volinfo,
- &orig_vol->snap_volumes, snapvol_list) {
- list_add_tail (&voliter->snapvol_list,
- &new_volinfo->snap_volumes);
- }
- /* Copy the snap vol info to the new_volinfo.*/
- ret = glusterd_snap_volinfo_restore (rsp_dict, new_volinfo, snap_vol);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to restore snap");
- (void)glusterd_volinfo_delete (new_volinfo);
- goto out;
- }
-
- /* If the orig_vol is already restored then we should delete
- * the backend LVMs */
- if (orig_vol->is_volume_restored) {
- ret = glusterd_lvm_snapshot_remove (rsp_dict, orig_vol);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to remove "
- "LVM backend");
- (void)glusterd_volinfo_delete (new_volinfo);
- goto out;
- }
- }
-
- /* Once the new_volinfo is completely constructed then delete
- * the orinal volinfo
- */
- ret = glusterd_volinfo_delete (orig_vol);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to delete volinfo");
- (void)glusterd_volinfo_delete (new_volinfo);
- goto out;
- }
- /* New volinfo always shows the status as created. Therefore
- * set the status to stop. */
- glusterd_set_volume_status (new_volinfo, GLUSTERD_STATUS_STOPPED);
-
- list_add_tail (&new_volinfo->vol_list, &conf->volumes);
-
- /* Now delete the snap entry. As a first step delete the snap
- * volume information stored in store. */
- ret = glusterd_snap_remove (rsp_dict, snap, _gf_false, _gf_true);
- if (ret) {
- gf_log (this->name, GF_LOG_WARNING, "Failed to delete "
- "snap %s", snap->snapname);
- goto out;
- }
-
- ret = glusterd_store_volinfo (new_volinfo,
- GLUSTERD_VOLINFO_VER_AC_INCREMENT);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to store volinfo");
- goto out;
- }
-
- ret = 0;
-out:
-
- return ret;
-}
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.h b/xlators/mgmt/glusterd/src/glusterd-volgen.h
index dcba11f..f4703c2 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.h
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.h
@@ -176,7 +176,4 @@ gd_is_xlator_option (char *key);
gf_boolean_t
gd_is_boolean_option (char *key);
-int gd_restore_snap_volume (dict_t *rsp_dict,
- glusterd_volinfo_t *orig_vol,
- glusterd_volinfo_t *snap_vol);
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
index eac926d..504aeb8 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
@@ -1213,7 +1213,7 @@ glusterd_op_stage_delete_volume (dict_t *dict, char **op_errstr)
if (volinfo->snap_count > 0 || !list_empty(&volinfo->snap_volumes)) {
snprintf (msg, sizeof (msg), "Cannot delete Volume %s ,"
- "as it has %ld snapshots. "
+ "as it has %"PRIu64" snapshots. "
"To delete the volume, "
"first delete all the snapshots under it.",
volname, volinfo->snap_count);
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
index 3f1d7d5..1374e82 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
@@ -116,8 +116,8 @@ validate_cache_max_min_size (dict_t *dict, char *key, char *value,
"performance.cache-max-file-size",
&current_max_value);
if (current_max_value) {
- gf_string2bytesize (current_max_value, &max_value);
- gf_string2bytesize (value, &min_value);
+ gf_string2bytesize_uint64 (current_max_value, &max_value);
+ gf_string2bytesize_uint64 (value, &min_value);
current_min_value = value;
}
} else if ((!strcmp (key, "performance.cache-max-file-size")) ||
@@ -126,8 +126,8 @@ validate_cache_max_min_size (dict_t *dict, char *key, char *value,
"performance.cache-min-file-size",
&current_min_value);
if (current_min_value) {
- gf_string2bytesize (current_min_value, &min_value);
- gf_string2bytesize (value, &max_value);
+ gf_string2bytesize_uint64 (current_min_value, &min_value);
+ gf_string2bytesize_uint64 (value, &max_value);
current_max_value = value;
}
}
@@ -1389,6 +1389,18 @@ struct volopt_map_entry glusterd_volopt_map[] = {
.type = GLOBAL_DOC,
.op_version = 1
},
+ { .key = "nfs.rpc-statd",
+ .voltype = "nfs/server",
+ .option = "nfs.rpc-statd",
+ .type = NO_DOC,
+ .op_version = 4,
+ },
+ { .key = "nfs.log-level",
+ .voltype = "nfs/server",
+ .option = "nfs.log-level",
+ .type = NO_DOC,
+ .op_version = 4,
+ },
{ .key = "nfs.server-aux-gids",
.voltype = "nfs/server",
.option = "nfs.server-aux-gids",
@@ -1453,6 +1465,10 @@ struct volopt_map_entry glusterd_volopt_map[] = {
.voltype = "storage/posix",
.op_version = 3
},
+ { .key = "storage.xattr-user-namespace-mode",
+ .voltype = "storage/posix",
+ .op_version = 4
+ },
{ .key = "storage.owner-uid",
.voltype = "storage/posix",
.option = "brick-uid",
@@ -1527,6 +1543,16 @@ struct volopt_map_entry glusterd_volopt_map[] = {
.type = NO_DOC,
.op_version = 3
},
+ { .key = "features.barrier",
+ .voltype = "features/barrier",
+ .value = "disable",
+ .op_version = 4
+ },
+ { .key = "features.barrier-timeout",
+ .voltype = "features/barrier",
+ .value = "120",
+ .op_version = 4
+ },
{ .key = NULL
}
};
diff --git a/xlators/mgmt/glusterd/src/glusterd.c b/xlators/mgmt/glusterd/src/glusterd.c
index 6e7a927..4d09d7f 100644
--- a/xlators/mgmt/glusterd/src/glusterd.c
+++ b/xlators/mgmt/glusterd/src/glusterd.c
@@ -30,6 +30,7 @@
#include "dict.h"
#include "compat.h"
#include "compat-errno.h"
+#include "syscall.h"
#include "statedump.h"
#include "glusterd-sm.h"
#include "glusterd-op-sm.h"
@@ -311,7 +312,7 @@ out:
}
-inline int32_t
+static inline int32_t
glusterd_program_register (xlator_t *this, rpcsvc_t *svc,
rpcsvc_program_t *prog)
{
@@ -804,7 +805,7 @@ check_prepare_mountbroker_root (char *mountbroker_root)
dfd0 = dup (dfd);
for (;;) {
- ret = openat (dfd, "..", O_RDONLY);
+ ret = sys_openat (dfd, "..", O_RDONLY);
if (ret != -1) {
dfd2 = ret;
ret = fstat (dfd2, &st2);
@@ -839,11 +840,11 @@ check_prepare_mountbroker_root (char *mountbroker_root)
st = st2;
}
- ret = mkdirat (dfd0, MB_HIVE, 0711);
+ ret = sys_mkdirat (dfd0, MB_HIVE, 0711);
if (ret == -1 && errno == EEXIST)
ret = 0;
if (ret != -1)
- ret = fstatat (dfd0, MB_HIVE, &st, AT_SYMLINK_NOFOLLOW);
+ ret = sys_fstatat (dfd0, MB_HIVE, &st, AT_SYMLINK_NOFOLLOW);
if (ret == -1 || st.st_mode != (S_IFDIR|0711)) {
gf_log ("", GF_LOG_ERROR,
"failed to set up mountbroker-root directory %s",
@@ -1255,6 +1256,17 @@ init (xlator_t *this)
exit (1);
}
+ snprintf (storedir, PATH_MAX, "%s/snaps", workdir);
+
+ ret = mkdir (storedir, 0777);
+
+ if ((-1 == ret) && (errno != EEXIST)) {
+ gf_log (this->name, GF_LOG_CRITICAL,
+ "Unable to create snaps directory %s"
+ " ,errno = %d", storedir, errno);
+ exit (1);
+ }
+
snprintf (storedir, PATH_MAX, "%s/peers", workdir);
ret = mkdir (storedir, 0777);
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index 79461fb..7157bee 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -310,7 +310,7 @@ struct glusterd_volinfo_ {
char volname[GLUSTERD_MAX_VOLUME_NAME];
gf_boolean_t is_snap_volume;
glusterd_snap_t *snapshot;
- gf_boolean_t is_volume_restored;
+ uuid_t restored_from_snap;
char parent_volname[GLUSTERD_MAX_VOLUME_NAME];
/* In case of a snap volume
i.e (is_snap_volume == TRUE) this
@@ -405,6 +405,7 @@ struct glusterd_snap_ {
};
typedef struct glusterd_snap_op_ {
+ char *snap_vol_id;
int32_t brick_num;
char *brick_path;
int32_t op;
@@ -413,7 +414,8 @@ typedef struct glusterd_snap_op_ {
} glusterd_snap_op_t;
typedef struct glusterd_missed_snap_ {
- char *node_snap_info;
+ char *node_uuid;
+ char *snap_uuid;
struct list_head missed_snaps;
struct list_head snap_ops;
} glusterd_missed_snap_info;
@@ -1010,8 +1012,8 @@ int32_t
glusterd_add_missed_snaps_to_list (dict_t *dict, int32_t missed_snap_count);
int32_t
-glusterd_store_missed_snaps_list (char *missed_info, int32_t brick_num,
- char *brick_path, int32_t snap_op,
- int32_t snap_status);
+glusterd_add_new_entry_to_list (char *missed_info, char *snap_vol_id,
+ int32_t brick_num, char *brick_path,
+ int32_t snap_op, int32_t snap_status);
#endif