103 lines
3.7 KiB
Python
103 lines
3.7 KiB
Python
# Copyright 2020 VEXXHOST, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Base test classes
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This module contains the base test classes.
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"""
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import testtools
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import yaml
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from openstack_operator import utils
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class BaseTestCase(testtools.TestCase):
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"""Base test class for the OpenStack operator."""
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class KubernetesObjectTestCase(testtools.TestCase):
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"""Base class for Kubernetes object tests."""
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SAMPLES_PATH = 'config/samples'
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SAMPLE_FILE = ''
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TEMPLATE_FILE = ''
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NAMESPACE_CHECK = True
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@classmethod
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def setUpClass(cls):
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sample_path = "%s/%s" % (cls.SAMPLES_PATH, cls.SAMPLE_FILE)
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with open(sample_path) as sample_fd:
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sample = yaml.load(sample_fd, Loader=yaml.FullLoader)
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name = sample['metadata']['name']
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spec = sample['spec']
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cls.object = utils.render_template(cls.TEMPLATE_FILE,
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name=name, spec=spec)
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def test_metadata_has_no_namespace(self):
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"""Ensure that the metadata does not specify the namespace."""
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if self.NAMESPACE_CHECK:
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self.assertNotIn("namespace", self.object["metadata"])
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class KubernetesAppTestCaseMixin:
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"""Mix-in to be used for tests that involve apps and containers."""
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def test_containers_use_always_image_pull_policy(self):
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"""Ensure that all containers use 'Always' as imagePullPolicy."""
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for container in self.object['spec']['template']['spec']['containers']:
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self.assertEqual("Always", container.get('imagePullPolicy'))
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def test_containers_have_liveness_probe(self):
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"""Ensure that all containers have liveness probes."""
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for container in self.object['spec']['template']['spec']['containers']:
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self.assertIn('livenessProbe', container)
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def test_containers_have_readiness_probe(self):
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"""Ensure that all containers have readiness probes."""
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for container in self.object['spec']['template']['spec']['containers']:
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self.assertIn('readinessProbe', container)
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def test_containers_have_resource_limits(self):
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"""Ensure that all containers have resource limits."""
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for container in self.object['spec']['template']['spec']['containers']:
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self.assertIn('resources', container)
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def test_container_http_probes_have_no_metrics_path(self):
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"""Ensure that http probes (liveness/rediness) of all containers
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don't have metrics path"""
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for container in self.object['spec']['template']['spec']['containers']:
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if 'httpGet' in container['readinessProbe']:
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self.assertNotEqual(
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container['readinessProbe']['httpGet']['path'],
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'/metrics'
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)
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if 'httpGet' in container['livenessProbe']:
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self.assertNotEqual(
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container['livenessProbe']['httpGet']['path'],
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'/metrics'
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)
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class DeploymentTestCase(KubernetesObjectTestCase,
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KubernetesAppTestCaseMixin):
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"""Basic tests for Kubernetes Deployments."""
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class StatefulSetTestCase(KubernetesObjectTestCase,
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KubernetesAppTestCaseMixin):
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"""Basic tests for Kubernetes StatefulSets."""
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