ceph: fix external script when passing monitoring list

If we call the script with --monitoring-endpoint
10.1.8.29,10.1.8.36,10.1.8.25, we need to parse each comma-separated
address and not the entire block.
Now each address is tested properly.

Signed-off-by: Sébastien Han <seb@redhat.com>

cluster/examples/kubernetes/ceph/create-external-cluster-resources.py

@@ -369,9 +369,9 @@ def _convert_hostname_to_ip(self, host_name):
 
     def get_active_and_standby_mgrs(self):
         monitoring_endpoint_port = self._arg_parser.monitoring_endpoint_port
-        monitoring_endpoint_ip = self._arg_parser.monitoring_endpoint
+        monitoring_endpoint_ip_list = self._arg_parser.monitoring_endpoint
         standby_mgrs = []
-        if not monitoring_endpoint_ip:
+        if not monitoring_endpoint_ip_list:
             cmd_json = {"prefix": "status", "format": "json"}
             ret_val, json_out, err_msg = self._common_cmd_json_gen(cmd_json)
             # if there is an unsuccessful attempt,
@@ -394,7 +394,7 @@ def get_active_and_standby_mgrs(self):
             except ValueError:
                 raise ExecutionFailureException(
                     "invalid endpoint: {}".format(monitoring_endpoint))
-            monitoring_endpoint_ip = parsed_endpoint.hostname
+            monitoring_endpoint_ip_list = parsed_endpoint.hostname
             if not monitoring_endpoint_port:
                 monitoring_endpoint_port = "{}".format(parsed_endpoint.port)
 
@@ -403,15 +403,18 @@ def get_active_and_standby_mgrs(self):
             monitoring_endpoint_port = self.DEFAULT_MONITORING_ENDPOINT_PORT
 
         try:
-            failed_ip = monitoring_endpoint_ip
-            monitoring_endpoint_ip = self._convert_hostname_to_ip(
-                monitoring_endpoint_ip)
-            # collect all the 'stand-by' mgr ips
-            mgr_ips = []
-            for each_standby_mgr in standby_mgrs:
-                failed_ip = each_standby_mgr
-                mgr_ips.append(
-                    self._convert_hostname_to_ip(each_standby_mgr))
+            monitoring_endpoint_ip_list_split = monitoring_endpoint_ip_list.split(
+                ',')
+            for monitoring_endpoint_ip in monitoring_endpoint_ip_list_split:
+                failed_ip = monitoring_endpoint_ip
+                monitoring_endpoint_ip = self._convert_hostname_to_ip(
+                    monitoring_endpoint_ip)
+                # collect all the 'stand-by' mgr ips
+                mgr_ips = []
+                for each_standby_mgr in standby_mgrs:
+                    failed_ip = each_standby_mgr
+                    mgr_ips.append(
+                        self._convert_hostname_to_ip(each_standby_mgr))
         except:
             raise ExecutionFailureException(
                 "Conversion of host: {} to IP failed. "