lock.py: not all virtual machines have a dedicated host

Gracefully handle the case where a virtual machine has no dedicated
host. It's the case for OpenStack.

Signed-off-by: Loic Dachary <loic@dachary.org>

diff --git a/teuthology/lock.py b/teuthology/lock.py
index 5f681064008c529e426ad2a31cf4fcfa3672bd60..e371327d8303b3de9ff98df92152e26e5464fdbb 100644 (file)
--- a/teuthology/lock.py
+++ b/teuthology/lock.py
@@ -266,6 +266,9 @@ def main(ctx):
             for s in statuses:
                 if not s.get('is_vm', False):
                     continue
+                # with an OpenStack API, there is no host for a VM
+                if s['vm_host'] is None:
+                    continue
                 vm_host_name = s.get('vm_host', dict())['name']
                 if vm_host_name:
                     s['vm_host'] = vm_host_name