fix swap size

swap size was reduced to all nodes this created oom when running ceilometer
increase the size to what it was before

Change-Id: I8b86ba958bab07589abf6570f2242f7fc29bdb78

.zuul.yaml

@@ -37,6 +37,8 @@
       - ^doc/.*$
       - ^releasenotes/.*$
     vars: &base_vars
+      # Default swap size got shrinked to 1 GB, it's way too small for us.
+      configure_swap_size: 8192
       devstack_local_conf:
         post-config:
           $NOVA_CONF:
@@ -154,6 +156,8 @@
         aodh: https://opendev.org/openstack/aodh
         mistral: https://opendev.org/openstack/mistral
         vitrage: https://opendev.org/openstack/vitrage
+        ceilometer: https://opendev.org/openstack/ceilometer
+
 
 - job:
     name: vitrage-tempest-plugin-mock
@@ -165,6 +169,8 @@
       - opendev.org/openstack/vitrage-tempest-plugin
     irrelevant-files: *base_irrelevant_files
     vars:
+      # Default swap size got shrinked to 1 GB, it's way too small for us.
+      configure_swap_size: 8192
       devstack_local_conf:
         post-config:
           $NOVA_CONF:

vitrage_tempest_plugin/tests/datasources/test_aodh.py

@@ -13,7 +13,6 @@
 # under the License.
 
 from oslo_log import log as logging
-import testtools
 from vitrage_tempest_plugin.tests import utils
 
 from vitrage_tempest_plugin.tests.base import BaseVitrageTempest
@@ -24,7 +23,6 @@ from vitrage_tempest_plugin.tests.common.tempest_clients import TempestClients
 LOG = logging.getLogger(__name__)
 
 
-@testtools.skip('gnocchi is not supported')
 class TestAodhAlarm(BaseVitrageTempest):
     NUM_INSTANCE = 1
     NUM_ALARM = 1