geo-rep: fix integer config validation

ssh-port validation is mentioned as `validation=int` in template
`gsyncd.conf`, but not handled this during geo-rep config set.

Backport of https://review.gluster.org/22418

Fixes: bz#1695445
Change-Id: I3f19d9b471b0a3327e4d094dfbefcc58ed2c34f6
Signed-off-by: Aravinda VK <avishwan@redhat.com>
(cherry picked from commit c574984e19d59e351372eacce0ce11fb36e96dd4)

geo-replication/syncdaemon/gsyncdconfig.py

@@ -313,6 +313,9 @@ class Gconf(object):
         if item["validation"] == "unixtime":
             return validate_unixtime(value)
 
+        if item["validation"] == "int":
+            return validate_int(value)
+
         return False
 
     def _is_config_changed(self):
@@ -326,6 +329,14 @@ class Gconf(object):
         return False
 
 
+def validate_int(value):
+    try:
+        _ = int(value)
+        return True
+    except ValueError:
+        return False
+
+
 def validate_unixtime(value):
     try:
         y = datetime.fromtimestamp(int(value)).strftime("%Y")
@@ -338,11 +349,13 @@ def validate_unixtime(value):
 
 
 def validate_minmax(value, minval, maxval):
-    value = int(value)
-    minval = int(minval)
-    maxval = int(maxval)
-
-    return value >= minval and value <= maxval
+    try:
+        value = int(value)
+        minval = int(minval)
+        maxval = int(maxval)
+        return value >= minval and value <= maxval
+    except ValueError:
+        return False
 
 
 def validate_choice(value, allowed_values):

tests/00-geo-rep/georep-basic-dr-rsync.t

@@ -71,6 +71,9 @@ EXPECT_WITHIN $GEO_REP_TIMEOUT 4 check_status_num_rows "Created"
 #Config gluster-command-dir
 TEST $GEOREP_CLI $master $slave config gluster-command-dir ${GLUSTER_CMD_DIR}
 
+#Config Set ssh-port to validate int validation
+TEST $GEOREP_CLI $master $slave config ssh-port 22
+
 #Config gluster-command-dir
 TEST $GEOREP_CLI $master $slave config slave-gluster-command-dir ${GLUSTER_CMD_DIR}