def test_node_affinity_with_required(self): model = _constants.pod_with_node_affinity() pod = Pod(model) config = _utils.create_config() k8s = K8sPod(config=config, name="yo") k8s.model = pod if _utils.is_reachable(config): # ensure we have enough nodes nodes = K8sNode(config=config, name="yo").list() if len(nodes) < 3: self.skipTest(reason="Not enough nodes to perform test.") else: self.assertGreaterEqual(len(nodes), 3) # tag the nodes for i in range(len(nodes)): node = nodes[i] if i == 0: node.labels.update({"kubernetes.io/e2e-az-name": "e2e-az1"}) if i == 1: node.labels.update({"kubernetes.io/e2e-az-name": "e2e-az2"}) if i == 2: node.labels.update({"kubernetes.io/e2e-az-name": "e2e-az3"}) node.update() nodes = K8sNode(config=config, name="yo").list() for node in nodes: self.assertIn("kubernetes.io/e2e-az-name", node.labels) # create the pod k8s.create() # untag the nodes for node in nodes: node.labels.pop("kubernetes.io/e2e-az-name", None) node.update() pass
def test_init_no_args(self): try: K8sPod() self.fail("Should not fail.") except SyntaxError: pass except IOError: pass except Exception as err: self.fail("Unhandled exception: [ {0} ]".format(err.__class__.__name__))
def delete(self, cascade=False): super(K8sReplicaSet, self).delete(cascade) if cascade: pods = K8sPod(config=self.config, name="yo").list(pattern=self.name) for pod in pods: try: pod.delete(cascade) except NotFoundException: pass return self
def test_init_with_invalid_name(self): name = object() try: K8sPod(name=name) self.fail("Should not fail.") except SyntaxError: pass except IOError: pass except Exception as err: self.fail("Unhandled exception: [ {0} ]".format(err.__class__.__name__))
def test_delete_cascade(self): c_redis = _utils.create_container(name="redis", image="redis") c_nginx = _utils.create_container(name="nginx", image="nginx") name = "yodep-{0}".format(str(uuid.uuid4())) dep = _utils.create_deployment(name=name) dep.add_container(c_redis) dep.desired_replicas = 3 if _utils.is_reachable(dep.config): dep.create() dep.add_container(c_nginx) dep.update() repsets = K8sReplicaSet(config=dep.config, name="yo").list() self.assertEqual(2, len(repsets)) pods = K8sPod(config=dep.config, name="yo").list() self.assertLessEqual(3, len(pods)) # rollout burst dep.delete(cascade=True) result = dep.list() self.assertIsInstance(result, list) self.assertEqual(0, len(result)) repsets = K8sReplicaSet(config=dep.config, name="yo").list() self.assertEqual(0, len(repsets)) pods = K8sPod(config=dep.config, name="yo").list() self.assertEqual(0, len(pods))
def test_pod_affinity_no_good_nodes(self): model = _constants.pod_with_pod_affinity() pod = Pod(model) config = _utils.create_config() k8s = K8sPod(config=config, name="yo") k8s.model = pod if _utils.is_reachable(config): nodes = K8sNode(config=config, name="yo").list() # untag all nodes for node in nodes: node.labels.pop("kubernetes.io/e2e-az-name", None) node.update() with self.assertRaises(TimedOutException): # timeout because of required k8s.create()
def _pod_inventory(self): """ Returns the list of all K8sPods found on this K8sNode. :return: A list of K8sPods. """ pods = [] namespaces = K8sNamespace(config=self.config, name="yo").list() for ns in namespaces: cfg = self.config cfg.namespace = ns.name p = K8sPod(config=cfg, name="yo").list() filtered = filter(lambda x: x.node_name == self.name, p) pods += filtered return pods
def test_delete_no_cascade(self): name = "yocontainer" container = _utils.create_container(name=name) name = "yodep-{0}".format(str(uuid.uuid4())) dep = _utils.create_deployment(name=name) dep.add_container(container) dep.desired_replicas = 3 if _utils.is_reachable(dep.config): dep.create() dep.delete(cascade=False) result = dep.list() self.assertIsInstance(result, list) self.assertEqual(0, len(result)) repsets = K8sReplicaSet(config=dep.config, name="yo").list() self.assertEqual(1, len(repsets)) pods = K8sPod(config=dep.config, name="yo").list() self.assertEqual(3, len(pods))
def test_pod_affinities(self): config = _utils.create_config() container = _utils.create_container(name="nginx", image="nginx:latest") pod_s1 = _utils.create_pod(config=config, name="s1") pod_s1.labels.update({"security": "S1"}) pod_s1.node_selector = {"kubernetes.io/e2e-az-name": "e2e-az1"} pod_s1.add_container(container) pod_s2 = _utils.create_pod(config=config, name="s2") pod_s2.labels.update({"security": "S2"}) pod_s2.node_selector = {"kubernetes.io/e2e-az-name": "e2e-az2"} pod_s2.add_container(container) model = _constants.pod_with_pod_affinity() pod = Pod(model) config = _utils.create_config() k8s = K8sPod(config=config, name="yo") k8s.model = pod if _utils.is_reachable(config): # ensure we have enough nodes nodes = K8sNode(config=config, name="yo").list() if len(nodes) < 3: self.skipTest(reason="Not enough nodes to perform test.") else: self.assertGreaterEqual(len(nodes), 3) # tag the nodes for i in range(len(nodes)): node = nodes[i] if i == 0: node.labels.update({"kubernetes.io/e2e-az-name": "e2e-az1"}) if i == 1: node.labels.update({"kubernetes.io/e2e-az-name": "e2e-az2"}) if i == 2: node.labels.update({"kubernetes.io/e2e-az-name": "e2e-az3"}) node.update() # create the pods for affinity lookup pod_s1.create() pod_s2.create() # create the pod with affinities k8s.create() pass
def delete(self, cascade=False): # delete cascade on top level super(K8sDeployment, self).delete(cascade) if cascade: rsets = K8sReplicaSet(config=self.config, name="yo").list(pattern=self.name) # delete cascade on replicasets for rset in rsets: try: rset.delete(cascade=cascade) except NotFoundException: pass pods = K8sPod(config=self.config, name="yo").list(pattern=self.name) # delete cascade on pods for pod in pods: try: pod.delete(cascade=cascade) except NotFoundException: pass return self
def test_node_affinity_with_required_and_preferred(self): model = _constants.pod_with_node_affinity() pod = Pod(model) config = _utils.create_config() k8s = K8sPod(config=config, name="yo") k8s.model = pod if _utils.is_reachable(config): # ensure we have enough nodes nodes = K8sNode(config=config, name="yo").list() if len(nodes) < 3: self.skipTest(reason='Not enough nodes to perform test.') else: self.assertGreaterEqual(len(nodes), 3) # tag the nodes for i in range(len(nodes)): node = nodes[i] if i == 0: node.labels.update({'kubernetes.io/e2e-az-name': 'e2e-az1'}) node.labels.update({'another-node-label-key': 'another-node-label-value'}) if i == 1: node.labels.update({'kubernetes.io/e2e-az-name': 'e2e-az2'}) if i == 2: node.labels.update({'kubernetes.io/e2e-az-name': 'e2e-az3'}) node.update() nodes = K8sNode(config=config, name="yo").list() for node in nodes: self.assertIn('kubernetes.io/e2e-az-name', node.labels) # create the pod k8s.create() # untag the nodes for node in nodes: node.labels.pop('kubernetes.io/e2e-az-name', None) node.labels.pop('another-node-label-key', None) node.update() pass
def create_pod(config=None, name=None): if config is None: config = create_config() obj = K8sPod(config=config, name=name) return obj
def pod(self): podspec = self.model.spec.job_template.spec.template.spec name = "{}-{}".format(self.name, int(time.time())) pod = K8sPod(config=self.config, name=name) pod.model.spec = podspec return pod