cli: Display a warning upon disabling quota.

Signed-off-by: Junaid <junaid@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>

BUG: 2912 (Display warning upon disable quota)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2912

2 files changed, 35 insertions, 26 deletions

diff --git a/cli/src/cli-cmd-parser.c b/cli/src/cli-cmd-parser.c
index d18336e7e28..1ef8e4e3bea 100644
--- a/cli/src/cli-cmd-parser.c
+++ b/cli/src/cli-cmd-parser.c
@@ -408,7 +408,6 @@ cli_cmd_quota_parse (const char **words, int wordcount, dict_t **options)
         GF_ASSERT (options);
 
         dict = dict_new ();
-
         if (!dict)
                 goto out;
 
@@ -416,7 +415,6 @@ cli_cmd_quota_parse (const char **words, int wordcount, dict_t **options)
                 goto out;
 
         volname = (char *)words[2];
-
         if (!volname) {
                 ret = -1;
                 goto out;
@@ -444,7 +442,7 @@ cli_cmd_quota_parse (const char **words, int wordcount, dict_t **options)
         }
 
         ret = dict_set_str (dict, "volname", volname);
-        if (ret)
+        if (ret < 0)
                 goto out;
 
         w = str_getunamb (words[3], opwords);
@@ -455,11 +453,13 @@ cli_cmd_quota_parse (const char **words, int wordcount, dict_t **options)
 
         if ((strcmp (w, "enable")) == 0 && wordcount == 4) {
                 type = GF_QUOTA_OPTION_TYPE_ENABLE;
+                ret = 0;
                 goto set_type;
         }
 
         if (strcmp (w, "disable") == 0 && wordcount == 4) {
                 type = GF_QUOTA_OPTION_TYPE_DISABLE;
+                ret = 0;
                 goto set_type;
         }
 
@@ -493,7 +493,7 @@ cli_cmd_quota_parse (const char **words, int wordcount, dict_t **options)
                 }
 
                 ret = dict_set_str (dict, "limit", (char *) words[5]);
-                if (ret)
+                if (ret < 0)
                         goto out;
 
                 goto set_type;
@@ -513,49 +513,49 @@ cli_cmd_quota_parse (const char **words, int wordcount, dict_t **options)
                 }
 
                 ret = dict_set_str (dict, "path", (char *) words[4]);
-                if (ret)
+                if (ret < 0)
                         goto out;
                 goto set_type;
         }
 
         if (strcmp (w, "list") == 0) {
-                        if (wordcount < 4) {
-                                ret = -1;
-                                goto out;
-                        }
-
-                        type = GF_QUOTA_OPTION_TYPE_LIST;
+                if (wordcount < 4) {
+                        ret = -1;
+                        goto out;
+                }
 
-                        i = 4;
-                        while (i < wordcount) {
-                                snprintf (key, 20, "path%d", i-4);
+                type = GF_QUOTA_OPTION_TYPE_LIST;
 
-                                ret = dict_set_str (dict, key, (char *) words [i++]);
-                                if (ret < 0)
-                                        goto out;
-                        }
+                i = 4;
+                while (i < wordcount) {
+                        snprintf (key, 20, "path%d", i-4);
 
-                        ret = dict_set_int32 (dict, "count", i - 4);
+                        ret = dict_set_str (dict, key, (char *) words [i++]);
                         if (ret < 0)
                                 goto out;
+                }
+
+                ret = dict_set_int32 (dict, "count", i - 4);
+                if (ret < 0)
+                        goto out;
 
-                        goto set_type;
+                goto set_type;
         }
 
         if (strcmp (w, "version") == 0) {
                 type = GF_QUOTA_OPTION_TYPE_VERSION;
-
-        } else
+        } else {
                 GF_ASSERT (!"opword mismatch");
+        }
 
 set_type:
         ret = dict_set_int32 (dict, "type", type);
-
-        if (ret)
+        if (ret < 0)
                 goto out;
+
         *options = dict;
 out:
-        if (ret) {
+        if (ret < 0) {
                 if (dict)
                         dict_destroy (dict);
         }
diff --git a/cli/src/cli-cmd-volume.c b/cli/src/cli-cmd-volume.c
index 467623f7320..68ac79878db 100644
--- a/cli/src/cli-cmd-volume.c
+++ b/cli/src/cli-cmd-volume.c
@@ -725,9 +725,13 @@ cli_cmd_quota_cbk (struct cli_state *state, struct cli_cmd_word *word,
 
         int                      ret       = 0;
         int                      parse_err = 0;
+        int32_t                  type      = 0;
         rpc_clnt_procedure_t    *proc      = NULL;
         call_frame_t            *frame     = NULL;
         dict_t                  *options   = NULL;
+        gf_answer_t              answer    = GF_ANSWER_NO;
+        const char *question = "Disabling quota will delete all the quota "
+                               "configuration. Do you want to continue?";
 
         proc = &cli_rpc_prog->proctable[GLUSTER_CLI_QUOTA];
         if (proc == NULL) {
@@ -742,10 +746,15 @@ cli_cmd_quota_cbk (struct cli_state *state, struct cli_cmd_word *word,
         }
 
         ret = cli_cmd_quota_parse (words, wordcount, &options);
-        if (ret) {
+        if (ret < 0) {
                 cli_usage_out (word->pattern);
                 parse_err = 1;
                 goto out;
+        } else if (dict_get_int32 (options, "type", &type) == 0 &&
+                   type == GF_QUOTA_OPTION_TYPE_DISABLE) {
+                answer = cli_cmd_get_confirmation (state, question);
+                if (answer == GF_ANSWER_NO)
+                        goto out;
         }
 
         if (proc->fn)