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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c201
1 files changed, 200 insertions, 1 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index a969c4c84..905ac6e0c 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -588,9 +588,11 @@ out:
* TODO: Duplicate all members of volinfo, e.g. geo-rep sync slaves
*/
int32_t
-glusterd_snap_volinfo_restore (glusterd_volinfo_t *new_volinfo,
+glusterd_snap_volinfo_restore (dict_t *rsp_dict,
+ glusterd_volinfo_t *new_volinfo,
glusterd_volinfo_t *snap_volinfo)
{
+ int32_t brick_count = -1;
int32_t ret = -1;
xlator_t *this = NULL;
glusterd_brickinfo_t *brickinfo = NULL;
@@ -598,10 +600,12 @@ glusterd_snap_volinfo_restore (glusterd_volinfo_t *new_volinfo,
this = THIS;
GF_ASSERT (this);
+ GF_ASSERT (rsp_dict);
GF_VALIDATE_OR_GOTO (this->name, new_volinfo, out);
GF_VALIDATE_OR_GOTO (this->name, snap_volinfo, out);
+ brick_count = 0;
list_for_each_entry (brickinfo, &snap_volinfo->bricks, brick_list) {
ret = glusterd_brickinfo_new (&new_brickinfo);
if (ret) {
@@ -641,10 +645,32 @@ glusterd_snap_volinfo_restore (glusterd_volinfo_t *new_volinfo,
}
}
+ /* If a snapshot is pending for this brick then
+ * restore should also be pending
+ */
+ if (brickinfo->snap_status == -1) {
+ /* Adding missed delete to the dict */
+ ret = glusterd_add_missed_snaps_to_dict
+ (rsp_dict,
+ snap_volinfo->volname,
+ brickinfo,
+ brick_count + 1,
+ GF_SNAP_OPTION_TYPE_RESTORE);
+ 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;
+ }
+ }
+
list_add_tail (&new_brickinfo->brick_list,
&new_volinfo->bricks);
/* ownership of new_brickinfo is passed to new_volinfo */
new_brickinfo = NULL;
+ brick_count++;
}
/* Regenerate all volfiles */
@@ -2342,6 +2368,17 @@ glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
goto out;
}
+ snprintf (key, sizeof (key), "volume%d.brick%d.device_path",
+ count, i);
+ ret = dict_set_str (dict, key, brickinfo->device_path);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to set snap_device for %s:%s",
+ brickinfo->hostname,
+ brickinfo->path);
+ goto out;
+ }
+
i++;
}
@@ -2861,6 +2898,7 @@ glusterd_import_new_brick (dict_t *vols, int32_t vol_count,
char key[512] = {0,};
int ret = -1;
int32_t snap_status = 0;
+ char *snap_device = NULL;
char *hostname = NULL;
char *path = NULL;
glusterd_brickinfo_t *new_brickinfo = NULL;
@@ -2896,12 +2934,21 @@ glusterd_import_new_brick (dict_t *vols, int32_t vol_count,
goto out;
}
+ snprintf (key, sizeof (key), "volume%d.brick%d.device_path",
+ vol_count, brick_count);
+ ret = dict_get_str (vols, key, &snap_device);
+ if (ret) {
+ snprintf (msg, sizeof (msg), "%s missing in payload", key);
+ goto out;
+ }
+
ret = glusterd_brickinfo_new (&new_brickinfo);
if (ret)
goto out;
strcpy (new_brickinfo->path, path);
strcpy (new_brickinfo->hostname, hostname);
+ strcpy (new_brickinfo->device_path, snap_device);
new_brickinfo->snap_status = snap_status;
//peerinfo might not be added yet
@@ -7848,6 +7895,89 @@ out:
return ret;
}
+/* Aggregate missed_snap_counts from different nodes and save it *
+ * in the req_dict of the originator node */
+int
+glusterd_snap_create_use_rsp_dict (dict_t *dst, dict_t *src)
+{
+ char *buf = NULL;
+ char *tmp_str = NULL;
+ char name_buf[PATH_MAX] = "";
+ int32_t i = -1;
+ int32_t ret = -1;
+ int32_t src_missed_snap_count = -1;
+ int32_t dst_missed_snap_count = -1;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+
+ if (!dst || !src) {
+ gf_log (this->name, GF_LOG_ERROR, "Source or Destination "
+ "dict is empty.");
+ goto out;
+ }
+
+ ret = dict_get_int32 (src, "missed_snap_count",
+ &src_missed_snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_DEBUG, "No missed snaps");
+ ret = 0;
+ goto out;
+ }
+
+ ret = dict_get_int32 (dst, "missed_snap_count",
+ &dst_missed_snap_count);
+ if (ret) {
+ /* Initialize dst_missed_count for the first time */
+ dst_missed_snap_count = 0;
+ }
+
+ for (i = 0; i < src_missed_snap_count; i++) {
+ snprintf (name_buf, sizeof(name_buf), "missed_snaps_%d",
+ i);
+ ret = dict_get_str (src, name_buf, &buf);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to fetch %s", name_buf);
+ goto out;
+ }
+
+ snprintf (name_buf, sizeof(name_buf), "missed_snaps_%d",
+ dst_missed_snap_count);
+
+ tmp_str = gf_strdup (buf);
+ if (!tmp_str) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = dict_set_dynstr (dst, name_buf, tmp_str);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set %s", name_buf);
+ goto out;
+ }
+
+ tmp_str = NULL;
+ dst_missed_snap_count++;
+ }
+
+ ret = dict_set_int32 (dst, "missed_snap_count", dst_missed_snap_count);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set dst_missed_snap_count");
+ goto out;
+ }
+
+out:
+ if (ret && tmp_str)
+ GF_FREE(tmp_str);
+
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
int
glusterd_snap_use_rsp_dict (dict_t *dst, dict_t *src)
{
@@ -7868,6 +7998,14 @@ glusterd_snap_use_rsp_dict (dict_t *dst, dict_t *src)
}
switch (snap_command) {
+ case GF_SNAP_OPTION_TYPE_CREATE:
+ case GF_SNAP_OPTION_TYPE_DELETE:
+ ret = glusterd_snap_create_use_rsp_dict (dst, src);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to use rsp dict");
+ goto out;
+ }
+ break;
case GF_SNAP_OPTION_TYPE_CONFIG:
ret = glusterd_snap_config_use_rsp_dict (dst, src);
if (ret) {
@@ -8695,3 +8833,64 @@ glusterd_compare_snap_vol_time(struct list_head *list1, struct list_head *list2)
return ((int)diff_time);
}
+
+int32_t
+glusterd_missed_snapinfo_new (glusterd_missed_snap_info **missed_snapinfo)
+{
+ glusterd_missed_snap_info *new_missed_snapinfo = NULL;
+ int32_t ret = -1;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (missed_snapinfo);
+
+ new_missed_snapinfo = GF_CALLOC (1, sizeof(*new_missed_snapinfo),
+ gf_gld_mt_missed_snapinfo_t);
+
+ 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);
+
+ *missed_snapinfo = new_missed_snapinfo;
+
+ ret = 0;
+
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}
+
+int32_t
+glusterd_missed_snap_op_new (glusterd_snap_op_t **snap_op)
+{
+ glusterd_snap_op_t *new_snap_op = NULL;
+ int32_t ret = -1;
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ GF_ASSERT (snap_op);
+
+ new_snap_op = GF_CALLOC (1, sizeof(*new_snap_op),
+ gf_gld_mt_missed_snapinfo_t);
+
+ 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;
+ INIT_LIST_HEAD (&new_snap_op->snap_ops_list);
+
+ *snap_op = new_snap_op;
+
+ ret = 0;
+out:
+ gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
+ return ret;
+}