Porting Ceilometer tests to Zaza

zaza/openstack/charm_tests/ceilometer/__init__.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+
+# Copyright 2019 Canonical Ltd.
+#
+# 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.
+
+"""Collection of code for setting up and testing ceilometer."""

zaza/openstack/charm_tests/ceilometer/setup.py

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+#!/usr/bin/env python3
+
+# Copyright 2019 Canonical Ltd.
+#
+# 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.
+
+"""Code for configuring Ceilometer."""
+
+import logging
+import unittest
+import zaza.model as zaza_model
+import zaza.openstack.utilities.openstack as openstack_utils
+
+
+def basic_setup():
+    """Run setup for testing Ceilometer.
+
+    Setup for testing Ceilometer is currently part of functional
+    tests.
+    """
+    current_release = openstack_utils.get_os_release()
+    xenial_pike = openstack_utils.get_os_release('xenial_pike')
+
+    if current_release < xenial_pike:
+        raise unittest.SkipTest('Skipping ceilometer-upgrade as it is not '
+                                'supported before Pike')
+
+    logging.debug('Checking ceilometer-upgrade')
+
+    action = zaza_model.run_action_on_leader(
+        'ceilometer',
+        'ceilometer-upgrade',
+        raise_on_failure=True)
+
+    return action

zaza/openstack/charm_tests/ceilometer/tests.py

@@ -0,0 +1,117 @@
+#!/usr/bin/env python3
+
+# Copyright 2019 Canonical Ltd.
+#
+# 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.
+
+"""Encapsulate Ceilometer testing."""
+
+import logging
+
+import zaza.openstack.utilities.openstack as openstack_utils
+import zaza.openstack.charm_tests.test_utils as test_utils
+
+
+class CeilometerTest(test_utils.OpenStackBaseTest):
+    """Encapsulate Ceilometer tests."""
+
+    CONF_FILE = '/etc/ceilometer/ceilometer.conf'
+
+    XENIAL_PIKE = openstack_utils.get_os_release('xenial_pike')
+    XENIAL_OCATA = openstack_utils.get_os_release('xenial_ocata')
+    XENIAL_NEWTON = openstack_utils.get_os_release('xenial_newton')
+    TRUSTY_MITAKA = openstack_utils.get_os_release('trusty_mitaka')
+    TRUSTY_LIBERTY = openstack_utils.get_os_release('trusty_liberty')
+
+    @classmethod
+    def setUpClass(cls):
+        """Run class setup for running Ceilometer tests."""
+        super(CeilometerTest, cls).setUpClass()
+
+    @property
+    def services(self):
+        """Return a list services for Openstack Release."""
+        current_release = openstack_utils.get_os_release()
+        services = []
+
+        if current_release >= CeilometerTest.XENIAL_PIKE:
+            services.append('ceilometer-polling: AgentManager worker(0)')
+            services.append('ceilometer-agent-notification: '
+                            'NotificationService worker(0)')
+        elif current_release >= CeilometerTest.XENIAL_OCATA:
+            services.append('ceilometer-collector: CollectorService worker(0)')
+            services.append('ceilometer-polling: AgentManager worker(0)')
+            services.append('ceilometer-agent-notification: '
+                            'NotificationService worker(0)')
+            services.append('apache2')
+        elif current_release >= CeilometerTest.XENIAL_NEWTON:
+            services.append('ceilometer-collector - CollectorService(0)')
+            services.append('ceilometer-polling - AgentManager(0)')
+            services.append('ceilometer-agent-notification - '
+                            'NotificationService(0)')
+            services.append('ceilometer-api')
+        else:
+            services.append('ceilometer-collector')
+            services.append('ceilometer-api')
+            services.append('ceilometer-agent-notification')
+
+            if current_release < CeilometerTest.TRUSTY_MITAKA:
+                services.append('ceilometer-alarm-notifier')
+                services.append('ceilometer-alarm-evaluator')
+
+            if current_release >= CeilometerTest.TRUSTY_LIBERTY:
+                # Liberty and later
+                services.append('ceilometer-polling')
+            else:
+                # Juno and earlier
+                services.append('ceilometer-agent-central')
+
+        return services
+
+    # NOTE(beisner): need to add more functional tests
+
+    def test_900_restart_on_config_change(self):
+        """Checking restart happens on config change."""
+        # Expected default and alternate values
+        current_value = openstack_utils.get_application_config_option(
+            'ceilometer', 'debug'
+        )
+        assert type(current_value) == bool
+        new_value = not current_value
+
+        # Convert bool to str
+        current_value = str(current_value)
+        new_value = str(new_value)
+
+        set_default = {'debug': current_value}
+        set_alternate = {'debug': new_value}
+        default_entry = {'DEFAULT': {'debug': [current_value]}}
+        alternate_entry = {'DEFAULT': {'debug': [new_value]}}
+
+        logging.info('changing config: {}'.format(set_alternate))
+        self.restart_on_changed(
+            CeilometerTest.CONF_FILE,
+            set_default,
+            set_alternate,
+            default_entry,
+            alternate_entry,
+            self.services)
+
+    def test_901_pause_resume(self):
+        """Run pause and resume tests.
+
+        Pause service and check services are stopped then resume and check
+        they are started.
+        """
+        with self.pause_resume(['ceilometer']):
+            logging.info("Testing pause and resume")