Improve service validation during upgrade Cinder
* Added modules which allow to check and manage services statuses.
Change-Id: Ib51fd5b65c332aa1d9cae2ebcf9ebb7d510a4df3
Related-PROD: PROD-25157
diff --git a/_modules/cinderv3/services.py b/_modules/cinderv3/services.py
new file mode 100644
index 0000000..b0ed38e
--- /dev/null
+++ b/_modules/cinderv3/services.py
@@ -0,0 +1,62 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import time
+from salt.exceptions import CommandExecutionError
+from cinderv3.common import send
+from cinderv3.lists import service_list
+
+@send("put")
+def service_update(host, binary, action, **kwargs):
+ """
+ Enable/Disable Cinder service
+ """
+ req = {"host": host, "binary": binary}
+ if kwargs.get('disabled_reason') and action == 'disable':
+ url = '/os-services/disable-log-reason'
+ req['disabled_reason'] = kwargs['disabled_reason']
+ else:
+ url = '/os-services/{}'.format(action)
+
+ return url, req
+
+
+def wait_for_service(cloud_name, host=None, binary=None, admin_up_only=True, retries=18, timeout=10, **kwargs):
+ """
+ Ensure the service is up and running on specified host.
+
+ :param host: name of a host where service is running
+ :param admin_up_only: do not check status for admin disabled service
+ :param binary: name of the service
+ :param timeout: number of seconds to wait before retries
+ :param retries: number of retries
+ """
+
+ if host:
+ kwargs['host'] = host
+ if binary:
+ kwargs['binary'] = binary
+
+ for _i in range(retries):
+ services = service_list(cloud_name=cloud_name, **kwargs)['services']
+
+ down_services = [s for s in services if s['state'] == 'down']
+
+ if admin_up_only:
+ down_services = [s for s in down_services if s['status'] == 'enabled']
+
+ if not down_services:
+ return 'Cinder services with admin_up_only=%s are up or disabled administratively' % (admin_up_only)
+
+ time.sleep(timeout)
+
+ raise CommandExecutionError("Cinder services {} are still down or disabled".format(down_services))