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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-snapshot.c211
1 files changed, 186 insertions, 25 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-snapshot.c b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
index b40d7abc408..2f9f68e97e1 100644
--- a/xlators/mgmt/glusterd/src/glusterd-snapshot.c
+++ b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
@@ -3123,15 +3123,10 @@ glusterd_snapshot_get_vol_snapnames (dict_t *dict, glusterd_volinfo_t *volinfo)
list_for_each_entry_safe (snap_vol, tmp_vol,
&volinfo->snap_volumes, snapvol_list) {
snapcount++;
- snapname = gf_strdup (snap_vol->snapshot->snapname);
- if (!snapname) {
- gf_log (this->name, GF_LOG_ERROR,
- "strdup failed");
- ret = -1;
- goto out;
- }
snprintf (key, sizeof (key), "snapname%d", snapcount);
- ret = dict_set_dynstr (dict, key, snapname);
+
+ ret = dict_set_dynstr_with_alloc (dict, key,
+ snap_vol->snapshot->snapname);
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Failed to "
"set %s", key);
@@ -4472,23 +4467,104 @@ out:
return ret;
}
-/* This is a snapshot remove handler function. This function will be
- * executed in the originator node. This function is responsible for
- * calling mgmt v3 framework to do the actual remove on all the bricks
- *
- * @param req RPC request object
- * @param op gluster operation
- * @param dict dictionary containing snapshot remove request
- * @param err_str In case of an err this string should be populated
- * @param len length of err_str buffer
- *
- * @return Negative value on Failure and 0 in success
- */
-int
-glusterd_handle_snapshot_remove (rpcsvc_request_t *req, glusterd_op_t op,
- dict_t *dict, char *err_str, size_t len)
+int32_t
+glusterd_handle_snapshot_delete_vol (dict_t *dict, char *err_str, int len)
{
- int ret = -1;
+ int32_t ret = -1;
+ int32_t i = 0;
+ glusterd_volinfo_t *snap_volinfo = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ glusterd_volinfo_t *temp_volinfo = NULL;
+ char key[PATH_MAX] = "";
+ xlator_t *this = NULL;
+ char *volname = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (dict);
+
+ ret = dict_get_str (dict, "volname", &volname);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to get "
+ "volume name");
+ goto out;
+ }
+
+ ret = glusterd_volinfo_find (volname, &volinfo);
+ if (ret) {
+ snprintf (err_str, len, "Volume (%s) does not exist", volname);
+ gf_log (this->name, GF_LOG_ERROR, "Failed to get volinfo of "
+ "volume %s", volname);
+ goto out;
+ }
+
+ ret = glusterd_snapshot_get_vol_snapnames (dict, volinfo);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to get snapshot list for volume %s", volname);
+ goto out;
+ }
+
+ ret = 0;
+out:
+ return ret;
+}
+
+int32_t
+glusterd_handle_snapshot_delete_all (dict_t *dict)
+{
+ int32_t ret = -1;
+ int32_t i = 0;
+ char key[PATH_MAX] = "";
+ glusterd_conf_t *priv = NULL;
+ glusterd_snap_t *snap = NULL;
+ glusterd_snap_t *tmp_snap = NULL;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ GF_ASSERT (dict);
+
+ list_for_each_entry_safe (snap, tmp_snap, &priv->snapshots, snap_list) {
+ /* indexing from 1 to n, to keep it uniform with other code
+ * paths
+ */
+ i++;
+ ret = snprintf (key, sizeof (key), "snapname%d", i);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_set_dynstr_with_alloc (dict, key, snap->snapname);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Could not save "
+ "snap name");
+ goto out;
+ }
+ }
+
+ ret = dict_set_int32 (dict, "snapcount", i);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Could not save snapcount");
+ goto out;
+ }
+
+ ret = 0;
+
+out:
+ return ret;
+}
+
+int32_t
+glusterd_handle_snapshot_delete_type_snap (rpcsvc_request_t *req,
+ glusterd_op_t op,
+ dict_t *dict, char *err_str,
+ size_t len)
+{
+ int32_t ret = -1;
int64_t volcount = 0;
char *snapname = NULL;
char *volname = NULL;
@@ -4499,6 +4575,7 @@ glusterd_handle_snapshot_remove (rpcsvc_request_t *req, glusterd_op_t op,
xlator_t *this = NULL;
this = THIS;
+ GF_ASSERT (this);
GF_ASSERT (req);
GF_ASSERT (dict);
@@ -4553,6 +4630,90 @@ glusterd_handle_snapshot_remove (rpcsvc_request_t *req, glusterd_op_t op,
}
ret = 0;
+
+out :
+ return ret;
+}
+
+/* This is a snapshot remove handler function. This function will be
+ * executed in the originator node. This function is responsible for
+ * calling mgmt v3 framework to do the actual remove on all the bricks
+ *
+ * @param req RPC request object
+ * @param op gluster operation
+ * @param dict dictionary containing snapshot remove request
+ * @param err_str In case of an err this string should be populated
+ * @param len length of err_str buffer
+ *
+ * @return Negative value on Failure and 0 in success
+ */
+int
+glusterd_handle_snapshot_delete (rpcsvc_request_t *req, glusterd_op_t op,
+ dict_t *dict, char *err_str, size_t len)
+{
+ int ret = -1;
+ xlator_t *this = NULL;
+ int32_t delete_cmd = -1;
+
+ this = THIS;
+
+ GF_ASSERT (this);
+
+ GF_ASSERT (req);
+ GF_ASSERT (dict);
+ GF_ASSERT (err_str);
+
+ ret = dict_get_int32 (dict, "delete-cmd", &delete_cmd);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to get delete-cmd");
+ goto out;
+ }
+
+ switch (delete_cmd) {
+ case GF_SNAP_DELETE_TYPE_SNAP:
+ ret = glusterd_handle_snapshot_delete_type_snap (req, op, dict,
+ err_str, len);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to handle "
+ "snapshot delete for type SNAP");
+ goto out;
+ }
+ break;
+
+ case GF_SNAP_DELETE_TYPE_ALL:
+ ret = glusterd_handle_snapshot_delete_all (dict);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to handle "
+ "snapshot delete for type ALL");
+ goto out;
+ }
+ break;
+
+ case GF_SNAP_DELETE_TYPE_VOL:
+ ret = glusterd_handle_snapshot_delete_vol (dict, err_str, len);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to handle "
+ "snapshot delete for type VOL");
+ goto out;
+ }
+ break;
+
+ default:
+ gf_log (this->name, GF_LOG_ERROR, "Wrong snapshot delete type");
+ break;
+ }
+
+ if ( ret == 0 && (delete_cmd == GF_SNAP_DELETE_TYPE_ALL ||
+ delete_cmd == GF_SNAP_DELETE_TYPE_VOL)) {
+ ret = glusterd_op_send_cli_response (op, 0, 0, req, dict,
+ err_str);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to send cli "
+ "response");
+ goto out;
+ }
+ }
+ ret = 0;
out:
return ret;
}
@@ -7343,7 +7504,7 @@ glusterd_handle_snapshot_fn (rpcsvc_request_t *req)
}
break;
case GF_SNAP_OPTION_TYPE_DELETE:
- ret = glusterd_handle_snapshot_remove (req, cli_op, dict,
+ ret = glusterd_handle_snapshot_delete (req, cli_op, dict,
err_str,
sizeof (err_str));
if (ret) {
generated by cgit (git 2.34.1) at 2024-05-06 06:00:25 +0000