tier/shd: make shd commands compatible with tiering

tiering volfiles may contain afr and disperse together
or multiple time based on configuration. And the
informations for those configurations are stored in
tier_info. So most of the volgen code generation
need to be changed to make compatible with it.

Back port of>
>Change-Id: I563d1ca6f281f59090ebd470b7fda1cc4b1b7e1d
>BUG: 1261276
>Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
>Reviewed-on: http://review.gluster.org/12135
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>

(cherry picked from commit 0ef62933649392051e73fe01c028e41baddec489)

BUG: 1261744
Change-Id: Iff1b27ae8ce61f1f38fbbd6c92894b3d3516e4d4
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
Reviewed-on: http://review.gluster.org/12344
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Joseph Fernandes
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Tested-by: Dan Lambright <dlambrig@redhat.com>

1 files changed, 78 insertions, 13 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c
index d531ad34752..bf55d52f440 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c
@@ -24,6 +24,7 @@
 #include "logging.h"
 #include "dict.h"
 #include "graph-utils.h"
+#include "common-utils.h"
 #include "glusterd-store.h"
 #include "glusterd-hooks.h"
 #include "trie.h"
@@ -3295,6 +3296,7 @@ volgen_graph_build_afr_clusters (volgen_graph_t *graph,
         if (volinfo->tier_info.cold_type == GF_CLUSTER_TYPE_REPLICATE)
                 start_count = volinfo->tier_info.cold_brick_count /
                               volinfo->tier_info.cold_replica_count;
+
         if (volinfo->tier_info.cur_tier_hot)
                 clusters = volgen_link_bricks_from_list_head_start (graph,
                                                 volinfo,
@@ -3572,6 +3574,7 @@ volume_volgen_graph_build_clusters_tier (volgen_graph_t *graph,
                 start_count = volinfo->tier_info.cold_brick_count /
                               volinfo->tier_info.cold_replica_count;
         }
+
         if (volinfo->dist_leaf_count != 1) {
                 ret = volgen_link_bricks_from_list_head_start
                         (graph, volinfo,
@@ -4227,11 +4230,11 @@ nfs_option_handler (volgen_graph_t *graph,
 }
 
 char*
-volgen_get_shd_key (glusterd_volinfo_t *volinfo)
+volgen_get_shd_key (int type)
 {
         char    *key = NULL;
 
-        switch (volinfo->type) {
+        switch (type) {
         case GF_CLUSTER_TYPE_REPLICATE:
         case GF_CLUSTER_TYPE_STRIPE_REPLICATE:
                 key = "cluster.self-heal-daemon";
@@ -4239,9 +4242,6 @@ volgen_get_shd_key (glusterd_volinfo_t *volinfo)
         case GF_CLUSTER_TYPE_DISPERSE:
                 key = "cluster.disperse-self-heal-daemon";
                 break;
-        case GF_CLUSTER_TYPE_TIER:
-                key = "cluster.tier-self-heal-daemon";
-                break;
         default:
                 key = NULL;
                 break;
@@ -4279,22 +4279,51 @@ volgen_graph_set_iam_shd (volgen_graph_t *graph)
 }
 
 static int
+prepare_shd_volume_options_for_tier (glusterd_volinfo_t *volinfo,
+                                     dict_t *set_dict)
+{
+        int             ret             = -1;
+        char           *key             = NULL;
+
+        key = volgen_get_shd_key (volinfo->tier_info.cold_type);
+        if (key) {
+                ret = dict_set_str (set_dict, key, "enable");
+                if (ret)
+                        goto out;
+        }
+
+        key = volgen_get_shd_key (volinfo->tier_info.hot_type);
+        if (key) {
+                ret = dict_set_str (set_dict, key, "enable");
+                if (ret)
+                        goto out;
+        }
+out:
+        return ret;
+}
+
+static int
 prepare_shd_volume_options (glusterd_volinfo_t *volinfo,
                             dict_t *mod_dict, dict_t *set_dict)
 {
         char    *key = NULL;
         int     ret = 0;
 
-        key = volgen_get_shd_key (volinfo);
-        if (!key) {
-                ret = -1;
-                goto out;
+        if (volinfo->type == GF_CLUSTER_TYPE_TIER) {
+                ret = prepare_shd_volume_options_for_tier (volinfo, set_dict);
+                if (ret)
+                        goto out;
+        } else {
+                key = volgen_get_shd_key (volinfo->type);
+                if (!key) {
+                        ret = -1;
+                        goto out;
+                }
+                ret = dict_set_str (set_dict, key, "enable");
+                if (ret)
+                        goto out;
         }
 
-        ret = dict_set_str (set_dict, key, "enable");
-        if (ret)
-                goto out;
-
         ret = dict_set_uint32 (set_dict, "trusted-client", GF_CLIENT_TRUSTED);
         if (ret)
                 goto out;
@@ -4405,6 +4434,42 @@ out:
         return clusters;
 }
 
+gf_boolean_t
+is_self_heal_enabled (glusterd_volinfo_t *volinfo, dict_t *dict)
+{
+
+        char            *shd_key                = NULL;
+        gf_boolean_t    shd_enabled             = _gf_false;
+
+        GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
+
+        switch (volinfo->type) {
+        case GF_CLUSTER_TYPE_REPLICATE:
+        case GF_CLUSTER_TYPE_STRIPE_REPLICATE:
+        case GF_CLUSTER_TYPE_DISPERSE:
+                shd_key = volgen_get_shd_key (volinfo->type);
+                shd_enabled = dict_get_str_boolean (dict, shd_key,
+                                                    _gf_true);
+                break;
+        case GF_CLUSTER_TYPE_TIER:
+                shd_key = volgen_get_shd_key (volinfo->tier_info.cold_type);
+                if (shd_key)
+                        shd_enabled = dict_get_str_boolean (dict, shd_key,
+                                                            _gf_true);
+
+                shd_key = volgen_get_shd_key (volinfo->tier_info.hot_type);
+                if (shd_key)
+                        shd_enabled |= dict_get_str_boolean (dict, shd_key,
+                                                            _gf_true);
+
+                break;
+        default:
+                break;
+        }
+out:
+        return shd_enabled;
+}
+
 static int
 build_rebalance_volfile (glusterd_volinfo_t *volinfo, char *filepath,
                          dict_t *mod_dict)