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From 3bab32ce9c10039e76c33741f7a190d34c754b62 Mon Sep 17 00:00:00 2001
From: jiffin tony thottan <jthottan@redhat.com>
Date: Mon, 7 Dec 2015 14:38:54 +0530
Subject: [PATCH 403/406] glusterd/ganesha : throw proper error for "gluster
 nfs-ganesha disable"

For first time or if "gluster nfs-ganesha enable" fails the global option
"nfs-ganesha" won't be stored in glusterd's dictionary. In both cases the
"gluster nfs-ganesha disable" throws following error :
"nfs-ganesha: failed: nfs-ganesha is already (null)d."

Upstream reference
>Change-Id: I7c9fd6dabedc0cfb14c5190b3554bc63a6bc0340
>BUG: 1427759
>Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
>Reviewed-on: https://review.gluster.org/16791
>Smoke: Gluster Build System <jenkins@build.gluster.org>
>NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
>CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
>Reviewed-by: soumya k <skoduri@redhat.com>
>Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
>Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>

Change-Id: I7c9fd6dabedc0cfb14c5190b3554bc63a6bc0340
BUG: 1427452
Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
Reviewed-on: https://code.engineering.redhat.com/gerrit/104147
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
---
 cli/src/cli-cmd-parser.c                     |  7 +++++--
 xlators/mgmt/glusterd/src/glusterd-ganesha.c | 28 +++++++++-------------------
 2 files changed, 14 insertions(+), 21 deletions(-)

diff --git a/cli/src/cli-cmd-parser.c b/cli/src/cli-cmd-parser.c
index 7637944..9a50501 100644
--- a/cli/src/cli-cmd-parser.c
+++ b/cli/src/cli-cmd-parser.c
@@ -883,14 +883,17 @@ cli_cmd_ganesha_parse (struct cli_state *state,
         }
 
         if (strcmp (value, "enable") == 0) {
-                question = "Enabling NFS-Ganesha requires Gluster-NFS to be"
-                           " disabled across the trusted pool. Do you "
+                question = "Enabling NFS-Ganesha requires Gluster-NFS to be "
+                           "disabled across the trusted pool. Do you "
                            "still want to continue?\n";
 
         } else if (strcmp (value, "disable") == 0) {
                 question = "Disabling NFS-Ganesha will tear down entire "
                            "ganesha cluster across the trusted pool. Do you "
                            "still want to continue?\n";
+        } else {
+                ret = -1;
+                goto out;
         }
 
         answer = cli_cmd_get_confirmation (state, question);
diff --git a/xlators/mgmt/glusterd/src/glusterd-ganesha.c b/xlators/mgmt/glusterd/src/glusterd-ganesha.c
index ae07eaa..9c5e147 100644
--- a/xlators/mgmt/glusterd/src/glusterd-ganesha.c
+++ b/xlators/mgmt/glusterd/src/glusterd-ganesha.c
@@ -267,8 +267,7 @@ glusterd_op_stage_set_ganesha (dict_t *dict, char **op_errstr)
         int                             ret                     = -1;
         char                            *volname                = NULL;
         int                             exists                  = 0;
-        int                             value                   = -1;
-        gf_boolean_t                    option                  = _gf_false;
+        char                            *value                  = NULL;
         char                            *str                    = NULL;
         int                             dict_count              = 0;
         int                             flags                   = 0;
@@ -282,8 +281,8 @@ glusterd_op_stage_set_ganesha (dict_t *dict, char **op_errstr)
         priv = this->private;
         GF_ASSERT (priv);
 
-        value = dict_get_str_boolean (dict, "value", _gf_false);
-        if (value == -1) {
+        ret = dict_get_str (dict, "value", &value);
+        if (value == NULL) {
                 gf_msg (this->name, GF_LOG_ERROR, errno,
                         GD_MSG_DICT_GET_FAILED,
                         "value not present.");
@@ -292,22 +291,13 @@ glusterd_op_stage_set_ganesha (dict_t *dict, char **op_errstr)
         /* This dict_get will fail if the user had never set the key before */
         /*Ignoring the ret value and proceeding */
         ret = dict_get_str (priv->opts, GLUSTERD_STORE_KEY_GANESHA_GLOBAL, &str);
-        if (ret == -1) {
-                gf_msg (this->name, GF_LOG_WARNING, errno,
-                        GD_MSG_DICT_GET_FAILED, "Global dict not present.");
-                ret = 0;
-                goto out;
+        /* Check if the feature is already enabled/disable, fail in that case */
+        if (str ? strcmp (value, str) == 0 : strcmp (value, "disable") == 0) {
+                gf_asprintf (op_errstr, "nfs-ganesha is already %sd.", value);
+                 ret = -1;
+                 goto out;
         }
-        /* Validity of the value is already checked */
-        ret = gf_string2boolean (str, &option);
-        /* Check if the feature is already enabled, fail in that case */
-        if (value == option) {
-                gf_asprintf (op_errstr, "nfs-ganesha is already %sd.", str);
-                ret = -1;
-                goto out;
-        }
-
-        if (value) {
+        if (strcmp (value, "enable") == 0) {
                 ret =  start_ganesha (op_errstr);
                 if (ret) {
                         gf_msg (THIS->name, GF_LOG_ERROR, 0,
-- 
1.8.3.1