Fix kubernetes namespace filter

Author: ezh

cloudselect/discovery/kubernetes.py

@@ -111,8 +111,12 @@ def find(self):
             pods = self.get_pods(cluster_id, configuration, context)
             self.aws_restore(*aws_envs)
             for pod in pods:
-                if pod["status"]["phase"] in ["Running"] and any(
-                    i.match(pod["metadata"]["namespace"]) is not None for i in patterns
+                if pod["status"]["phase"] in ["Running"] and (
+                    not patterns
+                    or any(
+                        i.match(pod["metadata"]["namespace"]) is not None
+                        for i in patterns
+                    )
                 ):
                     for container in pod["spec"]["containers"]:
                         yield {