Support delete and cluster_delete with many resources

Not like nova-delete when use trove-delete there is only support
delete an instance everytime. With this patch, we can delete
many instances or clusters in the same call, like
trove delete instance1 instance2.

Change-Id: I6bb0c406ba7f4c0e43cddfdff1d156b7e82ffa7a

1 files changed, 16 insertions, 0 deletions

diff --git a/troveclient/utils.py b/troveclient/utils.py
index a6ea4bd..3dfcad0 100644
--- a/troveclient/utils.py
+++ b/troveclient/utils.py
@@ -334,3 +334,19 @@ def do_action_with_msg(action, success_msg):
 
     action
     print(success_msg)
+
+
+def do_action_on_many(action, resources, success_msg, error_msg):
+    """Helper to run an action on many resources."""
+    failure_flag = False
+
+    for resource in resources:
+        try:
+            action(resource)
+            print(success_msg % resource)
+        except Exception as e:
+            failure_flag = True
+            print(encodeutils.safe_encode(six.text_type(e)))
+
+    if failure_flag:
+        raise exceptions.CommandError(error_msg)