cli/snapshot : snapshot list CLI

syntax:
        gluster snapshot list [volname]

        This will list all the snapshots (or) snapshots of a particular volume.

Change-Id: If879e06fe13caf2236f48df345857f833ae83c5b
Signed-off-by: Sachin Pandit <spandit@redhat.com>
Reviewed-on: http://review.gluster.org/7143
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Tested-by: Rajesh Joseph <rjoseph@redhat.com>

1 files changed, 45 insertions, 3 deletions

diff --git a/cli/src/cli-rpc-ops.c b/cli/src/cli-rpc-ops.c
index 340752aa8..b441e1083 100644
--- a/cli/src/cli-rpc-ops.c
+++ b/cli/src/cli-rpc-ops.c
@@ -7985,6 +7985,41 @@ cli_get_snaps_in_volume (dict_t *dict) {
 out :
         return ret;
 }
+
+int
+cli_snapshot_list (dict_t *dict) {
+        int     snapcount       =       0;
+        char    key[PATH_MAX]   =       "";
+        int     ret             =       -1;
+        int     i               =       0;
+        char    *get_buffer     =       NULL;
+
+        GF_ASSERT (dict);
+
+        ret = dict_get_int32 (dict, "snap-count", &snapcount);
+        if (ret) {
+                gf_log ("cli", GF_LOG_ERROR, "Could not fetch snap count");
+                goto out;
+        }
+
+        for (i = 1 ; i <= snapcount ; i++) {
+                ret = snprintf (key, sizeof (key), "snapname%d",i);
+                if (ret < 0) {
+                        goto out;
+                }
+
+                ret = dict_get_str (dict, key, &get_buffer);
+                if (ret) {
+                        gf_log ("cli", GF_LOG_ERROR, "Could not get %s ", key);
+                        goto out;
+                } else {
+                        cli_out ("%s", get_buffer);
+                }
+        }
+out :
+        return ret;
+}
+
 int
 gf_cli_snapshot_cbk (struct rpc_req *req, struct iovec *iov,
                      int count, void *myframe)
@@ -8125,9 +8160,7 @@ gf_cli_snapshot_cbk (struct rpc_req *req, struct iovec *iov,
                                 goto out;
                         }
                 }
-                 break;
-
-
+                break;
 
         case GF_SNAP_OPTION_TYPE_CONFIG:
                 ret = cli_snapshot_config_display (dict, &rsp);
@@ -8138,6 +8171,15 @@ gf_cli_snapshot_cbk (struct rpc_req *req, struct iovec *iov,
                 }
                 break;
 
+        case GF_SNAP_OPTION_TYPE_LIST:
+                ret = cli_snapshot_list (dict);
+                if (ret) {
+                        gf_log ("", GF_LOG_ERROR, "Failed to display snapshot"
+                                " list");
+                        goto out;
+                }
+                break;
+
         case GF_SNAP_OPTION_TYPE_DELETE:
                 ret = cli_snapshot_remove_reply (&rsp, dict, frame);
                 break;