Fured fix

celeryconfig.py

 result_backend = 'amqp://'
 task_result_expires = 300
 result_expires = 300
-timezone = 'utc'
+timezone = 'UTC'
 enable_utc = True
-accept_content = ['json', 'pickle_v2']
+accept_content = ['json', 'pickle_v2', 'pickle']
 task_serializer = 'json'
 result_serializer = 'pickle_v2'
 task_store_errors_even_if_ignored = True

miscellaneous/netdriver.sudo

+Defaults: cloud !requiretty
+cloud   ALL = (ALL) NOPASSWD: /usr/bin/ovs-ofctl, /usr/bin/ovs-vsctl, /sbin/ip link set *
+

vmdriver.py

@@ -198,42 +198,48 @@ def create(vm_desc):
     return vm_xml_dump
 
 
-class shutdown(AbortableTask):
+@celery.task(
+    name='vmdriver.shutdown',
+    bind=True,
+    base=AbortableTask,
+    time_limit=120,
+)
+@req_connection
+@wrap_libvirtError
+def shutdown(self, args):
     """ Shutdown virtual machine (need ACPI support).
     Return When domain is missiing.
     This job is abortable:
         AbortableAsyncResult(id="<<jobid>>").abort()
     """
-    time_limit = 120
-
-    @req_connection
-    def run(self, args):
-        from time import sleep
-        name, = args
-        logger.info("Shutdown started for vm: %s", name)
-        try:
-            domain = lookupByName(name)
-            logger.info("%s domain found in shutdown", name)
-            domain.shutdown()
-            logger.info("Domain shutdown called for vm: %s", name)
-            while True:
-                try:
-                    Connection.get().lookupByName(name)
-                except libvirt.libvirtError as e:
-                    if e.get_error_code() == libvirt.VIR_ERR_NO_DOMAIN:
-                        return
-                    else:
-                        raise
+    from time import sleep
+    name, = args
+    logger.info("Shutdown started for vm: %s", name)
+    try:
+        # VM lookup
+        domain = lookupByName(name)
+        logger.info("%s domain found in shutdown", name)
+        # ACPI shutdown
+        domain.shutdown()
+        logger.info("Domain shutdown called for vm: %s", name)
+        # Wait for disappearance
+        while True:
+            try:
+                Connection.get().lookupByName(name)
+            except libvirt.libvirtError as e:
+                if e.get_error_code() == libvirt.VIR_ERR_NO_DOMAIN:
+                    return
                 else:
-                    if self.is_aborted():
-                        logger.info("Shutdown aborted on vm: %s", name)
-                        return
-                    sleep(5)
-        except libvirt.libvirtError as e:
-            new_e = Exception(e.get_error_message())
-            new_e.libvirtError = True
-            raise new_e
-
+                    raise
+            else:
+                if self.is_aborted():
+                    logger.info("Shutdown aborted on vm: %s", name)
+                    return
+                sleep(5)
+    except libvirt.libvirtError as e:
+        new_e = Exception(e.get_error_message())
+        new_e.libvirtError = True
+        raise new_e
 
 @celery.task
 @req_connection