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authorshishir gowda <shishirng@gluster.com>2010-09-22 05:21:28 +0000
committerVijay Bellur <vijay@dev.gluster.com>2010-09-22 07:44:04 -0700
commit2915e10dd0ffe529ddf747451051cf9924c708f3 (patch)
tree449f4daeb8cc0c8eeab7ef1a789d44644d2b11b9 /xlators/mgmt
parent3225d7ccf599e726012fb2d32fe3cc68b979e0ea (diff)
Restart all bricks which are down when glusterd comes up
This is only done is the volume is started. Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1562 (insufficient consistency check on start of glusterd) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1562
Diffstat (limited to 'xlators/mgmt')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-pmap.c16
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-pmap.h4
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c109
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.h13
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.c3
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.h10
6 files changed, 150 insertions, 5 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-pmap.c b/xlators/mgmt/glusterd/src/glusterd-pmap.c
index aaa6ed131..1e72b694b 100644
--- a/xlators/mgmt/glusterd/src/glusterd-pmap.c
+++ b/xlators/mgmt/glusterd/src/glusterd-pmap.c
@@ -399,6 +399,8 @@ gluster_pmap_signin (rpcsvc_request_t *req)
{
pmap_signin_req args = {0,};
pmap_signin_rsp rsp = {0,};
+ glusterd_brickinfo_t *brickinfo = NULL;
+ int ret = -1;
if (xdr_to_glusterfs_req (req, &args, xdr_to_pmap_signin_req)) {
req->rpc_err = GARBAGE_ARGS;
@@ -408,6 +410,11 @@ gluster_pmap_signin (rpcsvc_request_t *req)
rsp.op_ret = pmap_registry_bind (THIS, args.port, args.brick,
GF_PMAP_PORT_BRICKSERVER, req->trans);
+ ret = glusterd_get_brickinfo (THIS, args.brick, args.port, _gf_true,
+ &brickinfo);
+ if (!ret)
+ glusterd_set_brick_status (brickinfo, GF_BRICK_STARTED);
+
fail:
glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
(gd_serialize_t)xdr_from_pmap_signin_rsp);
@@ -424,7 +431,8 @@ gluster_pmap_signout (rpcsvc_request_t *req)
{
pmap_signout_req args = {0,};
pmap_signout_rsp rsp = {0,};
-
+ int ret = -1;
+ glusterd_brickinfo_t *brickinfo = NULL;
if (xdr_to_glusterfs_req (req, &args, xdr_to_pmap_signout_req)) {
//failed to decode msg;
@@ -435,6 +443,11 @@ gluster_pmap_signout (rpcsvc_request_t *req)
rsp.op_ret = pmap_registry_remove (THIS, args.port, args.brick,
GF_PMAP_PORT_BRICKSERVER, req->trans);
+ ret = glusterd_get_brickinfo (THIS, args.brick, args.port, _gf_true,
+ &brickinfo);
+ if (!ret)
+ glusterd_set_brick_status (brickinfo, GF_BRICK_STOPPED);
+
fail:
glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
(gd_serialize_t)xdr_from_pmap_signout_rsp);
@@ -444,7 +457,6 @@ fail:
return 0;
}
-
rpcsvc_actor_t gluster_pmap_actors[] = {
[GF_PMAP_NULL] = {"NULL", GF_HNDSK_NULL, NULL, NULL, NULL },
[GF_PMAP_PORTBYBRICK] = {"PORTBYBRICK", GF_PMAP_PORTBYBRICK,
diff --git a/xlators/mgmt/glusterd/src/glusterd-pmap.h b/xlators/mgmt/glusterd/src/glusterd-pmap.h
index a021da030..fcad50db8 100644
--- a/xlators/mgmt/glusterd/src/glusterd-pmap.h
+++ b/xlators/mgmt/glusterd/src/glusterd-pmap.h
@@ -55,5 +55,7 @@ int pmap_registry_bind (xlator_t *this, int port, const char *brickname,
gf_pmap_port_type_t type, void *xprt);
int pmap_registry_remove (xlator_t *this, int port, const char *brickname,
gf_pmap_port_type_t type, void *xprt);
-
+int
+pmap_registry_search (xlator_t *this, const char *brickname,
+ gf_pmap_port_type_t type);
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index e3592891b..a59a06905 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -41,6 +41,7 @@
#include "glusterd-utils.h"
#include "glusterd-store.h"
#include "glusterd-volgen.h"
+#include "glusterd-pmap.h"
#include <sys/resource.h>
#include <inttypes.h>
@@ -1750,3 +1751,111 @@ glusterd_is_exisiting_brick (char *hostname, char *path)
out:
return ret;
}
+
+int
+glusterd_restart_bricks (glusterd_conf_t *conf, xlator_t *this)
+{
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_brickinfo_t *brickinfo = NULL;
+ char pidfile[PATH_MAX] = {0,};
+ char path[PATH_MAX] = {0,};
+ int ret = -1;
+ struct stat stbuf = {0,};
+ struct timespec timeout;
+ sigset_t mask;
+
+ if (sigprocmask(SIG_BLOCK, &mask, NULL) < 0) {
+ perror ("sigprocmask");
+ return -1;
+ }
+
+ sigemptyset (&mask);
+
+ timeout.tv_sec = 5;
+ timeout.tv_nsec = 0;
+
+ sigtimedwait(&mask, NULL, &timeout);
+ GF_ASSERT (conf);
+ GF_ASSERT (this);
+
+ list_for_each_entry (volinfo, &conf->volumes, vol_list) {
+ //If volume status is not started, do not proceed
+ if (volinfo->status == GLUSTERD_STATUS_STARTED) {
+ list_for_each_entry (brickinfo, &volinfo->bricks,
+ brick_list) {
+ //Only bricks on localhost to started
+ if (glusterd_is_local_addr (brickinfo->hostname))
+ continue;
+ //if started, implies already registered with pmap
+ if (!glusterd_is_brick_started(brickinfo))
+ continue;
+ GLUSTERD_GET_VOLUME_DIR (path, volinfo, conf);
+ GLUSTERD_GET_BRICK_PIDFILE (pidfile, path,
+ brickinfo->hostname, brickinfo->path);
+ ret = stat (pidfile, &stbuf);
+ //pid file not found, proceed to start
+ if (ret && errno == ENOENT) {
+ glusterd_volume_start_glusterfs (
+ volinfo, brickinfo, 0);
+ } else if (!ret) {
+ ret = pmap_registry_search (this,
+ brickinfo->path,
+ GF_PMAP_PORT_BRICKSERVER);
+ if (ret)
+ continue;
+ //might be a stale pid file
+ ret = unlink (pidfile);
+ //goto out;
+ glusterd_volume_start_glusterfs (
+ volinfo, brickinfo, 0);
+ }
+ }
+ glusterd_check_generate_start_nfs (volinfo);
+ }
+ }
+ return ret;
+}
+
+int
+glusterd_get_brickinfo (xlator_t *this, const char *brickname, int port,
+ gf_boolean_t localhost, glusterd_brickinfo_t **brickinfo)
+{
+ glusterd_conf_t *priv = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_brickinfo_t *tmpbrkinfo = NULL;
+ int ret = -1;
+
+ GF_ASSERT (brickname);
+ GF_ASSERT (this);
+
+ priv = this->private;
+ list_for_each_entry (volinfo, &priv->volumes, vol_list) {
+ list_for_each_entry (tmpbrkinfo, &volinfo->bricks,
+ brick_list) {
+ if (localhost && glusterd_is_local_addr (tmpbrkinfo->hostname))
+ continue;
+ if (!strcmp(tmpbrkinfo->path, brickname) &&
+ (tmpbrkinfo->port == port)) {
+ *brickinfo = tmpbrkinfo;
+ return 0;
+ }
+ }
+ }
+ return ret;
+}
+
+void
+glusterd_set_brick_status (glusterd_brickinfo_t *brickinfo,
+ gf_brick_status_t status)
+{
+ GF_ASSERT (brickinfo);
+ brickinfo->status = status;
+}
+
+int
+glusterd_is_brick_started (glusterd_brickinfo_t *brickinfo)
+{
+ GF_ASSERT (brickinfo);
+ return (!(brickinfo->status == GF_BRICK_STARTED));
+}
+
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.h b/xlators/mgmt/glusterd/src/glusterd-utils.h
index 72715a0f5..bc20c2d35 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.h
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.h
@@ -160,4 +160,17 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
dict_t *dict, int32_t count);
int
glusterd_is_exisiting_brick (char *hostname, char *path);
+
+int
+glusterd_get_brickinfo (xlator_t *this, const char *brickname,
+ int port, gf_boolean_t localhost,
+ glusterd_brickinfo_t **brickinfo);
+
+void
+glusterd_set_brick_status (glusterd_brickinfo_t *brickinfo,
+ gf_brick_status_t status);
+
+int
+glusterd_is_brick_started (glusterd_brickinfo_t *brickinfo);
+
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd.c b/xlators/mgmt/glusterd/src/glusterd.c
index da40c285c..b64b001f7 100644
--- a/xlators/mgmt/glusterd/src/glusterd.c
+++ b/xlators/mgmt/glusterd/src/glusterd.c
@@ -44,7 +44,6 @@
#include "glusterd-op-sm.h"
#include "glusterd-store.h"
-
static uuid_t glusterd_uuid;
extern struct rpcsvc_program glusterd1_mop_prog;
extern struct rpcsvc_program gluster_handshake_prog;
@@ -414,7 +413,7 @@ init (xlator_t *this)
glusterd_op_sm_init ();
glusterd_opinfo_init ();
-
+ glusterd_restart_bricks(conf, this);
ret = 0;
out:
if (ret == -1) {
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index b9890760f..abfb72cfa 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -75,6 +75,11 @@ typedef struct {
glusterd_store_handle_t *handle;
} glusterd_conf_t;
+typedef enum gf_brick_status {
+ GF_BRICK_STOPPED,
+ GF_BRICK_STARTED,
+} gf_brick_status_t;
+
struct glusterd_brickinfo {
char hostname[1024];
char path[PATH_MAX];
@@ -83,6 +88,7 @@ struct glusterd_brickinfo {
int port;
char *logfile;
glusterd_store_handle_t *shandle;
+ gf_brick_status_t status;
};
typedef struct glusterd_brickinfo glusterd_brickinfo_t;
@@ -393,7 +399,11 @@ glusterd_fetchspec_notify (xlator_t *this);
int32_t
glusterd_sync_volume (rpcsvc_request_t *req, dict_t *ctx);
+
int
glusterd_add_volume_detail_to_dict (glusterd_volinfo_t *volinfo,
dict_t *volumes, int count);
+
+int
+glusterd_restart_bricks(glusterd_conf_t *conf, xlator_t *this);
#endif