external: create a configmap for the command line args

user can look back to there configurations by
looking at the configmap created with command
line arguments
This will be useful for them during upgrades when they
need to re run the python script with the same flags

Signed-off-by: parth-gr <partharora1010@gmail.com>

deploy/examples/create-external-cluster-resources.py

@@ -1528,6 +1528,9 @@ def init_topology_rbd_pools(self, topology_rbd_pools):
         for pool in topology_rbd_pools:
             self.init_rbd_pool(pool)
 
+    def getCommand(self):
+        return " ".join(sys.argv)
+
     def _gen_output_map(self):
         if self.out_map:
             return
@@ -1542,6 +1545,7 @@ def _gen_output_map(self):
         self.validate_rados_namespace()
         self._excluded_keys.add("K8S_CLUSTER_NAME")
         self.get_cephfs_data_pool_details()
+        self.out_map["EXTERNAL_CLUSTER_USER_COMMAND"] = self.getCommand()
         self.out_map["NAMESPACE"] = self._arg_parser.namespace
         self.out_map["K8S_CLUSTER_NAME"] = self._arg_parser.k8s_cluster_name
         self.out_map["ROOK_EXTERNAL_FSID"] = self.get_fsid()
@@ -1702,6 +1706,13 @@ def gen_json_out(self):
         if self._arg_parser.dry_run:
             return ""
         json_out = [
+            {
+                "name": "external-cluster-user-command",
+                "kind": "ConfigMap",
+                "data": {
+                    "data": self.out_map["EXTERNAL_CLUSTER_USER_COMMAND"],
+                },
+            },
             {
                 "name": "rook-ceph-mon-endpoints",
                 "kind": "ConfigMap",