cyclades: Allow deletion of ports from deleted VMs

Fix corner case where a port seems to be still attached to a VM although
the VM has already been deleted.

snf-cyclades-app/synnefo/logic/servers.py

@@ -542,7 +542,8 @@ def delete_port(port):
 
     """
 
-    if port.machine is not None:
+    vm = port.machine
+    if vm is not None and not vm.deleted:
         vm = disconnect(port.machine, port)
         log.info("Removing port %s, Job: %s", port, vm.task_job_id)
     else:

snf-cyclades-app/synnefo/management/common.py

@@ -250,6 +250,8 @@ class Omit(object):
 
 def wait_server_task(server, wait, stdout):
     jobID = server.task_job_id
+    if jobID is None:
+        return
     if wait:
         msg = "Issued job '%s'. Waiting to complete...\n"
         stdout.write(msg % jobID)