glusterd: Implemented cmd to trigger self-heal on a replicate volume.v3.3.0qa10

This cmd is used in the context of proactive self-heal for replicated
volumes. User invokes the following cmd when (s)he suspects that self-heal
needs to be done on a particular volume,
        gluster volume heal <VOLNAME>.

Change-Id: I3954353b53488c28b70406e261808239b44997f3
BUG: 3602
Reviewed-on: http://review.gluster.com/454
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/cli/src/cli-cmd-volume.c b/cli/src/cli-cmd-volume.c
index de3166e8d04..a2ec5086317 100644
--- a/cli/src/cli-cmd-volume.c
+++ b/cli/src/cli-cmd-volume.c
@@ -1469,6 +1469,47 @@ cli_print_brick_status (char *brick, int port, int online, int pid)
         return 0;
 }
 
+int
+cli_cmd_volume_heal_cbk (struct cli_state *state, struct cli_cmd_word *word,
+                          const char **words, int wordcount)
+{
+        int                     ret = -1;
+        rpc_clnt_procedure_t    *proc = NULL;
+        call_frame_t            *frame = NULL;
+        gf1_cli_heal_vol_req    req = {0,};
+        int                     sent = 0;
+        int                     parse_error = 0;
+
+        frame = create_frame (THIS, THIS->ctx->pool);
+        if (!frame)
+                goto out;
+
+        if (wordcount != 3) {
+               cli_usage_out (word->pattern);
+                parse_error = 1;
+               goto out;
+        }
+
+        req.volname = (char *)words[2];
+        if (!req.volname)
+                goto out;
+
+        proc = &cli_rpc_prog->proctable[GLUSTER_CLI_HEAL_VOLUME];
+
+        if (proc->fn) {
+                ret = proc->fn (frame, THIS, &req);
+        }
+
+out:
+        if (ret) {
+                cli_cmd_sent_status_get (&sent);
+                if ((sent == 0) && (parse_error == 0))
+                        cli_out ("Volume heal failed");
+        }
+
+        return ret;
+}
+
 struct cli_cmd volume_cmds[] = {
         { "volume info [all|<VOLNAME>]",
           cli_cmd_volume_info_cbk,
@@ -1571,6 +1612,10 @@ struct cli_cmd volume_cmds[] = {
           cli_cmd_volume_status_cbk,
          "display status of specified volume"},
 
+        { "volume heal <VOLNAME>",
+          cli_cmd_volume_heal_cbk,
+          "Start healing of volume specified by <VOLNAME>"},
+
         { NULL, NULL, NULL }
 };