# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you 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. """ Tests for Kubernetes supported version """ #Import Local Modules from marvin.cloudstackTestCase import cloudstackTestCase import unittest from marvin.cloudstackAPI import (listInfrastructure, listTemplates, listKubernetesSupportedVersions, addKubernetesSupportedVersion, deleteKubernetesSupportedVersion, listKubernetesClusters, createKubernetesCluster, stopKubernetesCluster, startKubernetesCluster, deleteKubernetesCluster, upgradeKubernetesCluster, scaleKubernetesCluster, destroyVirtualMachine, deleteNetwork) from marvin.cloudstackException import CloudstackAPIException from marvin.codes import PASS, FAILED from marvin.lib.base import (Template, ServiceOffering, Account, StoragePool, Configurations) from marvin.lib.utils import (cleanup_resources, validateList, random_gen) from marvin.lib.common import (get_zone, get_domain) from marvin.sshClient import SshClient from nose.plugins.attrib import attr from marvin.lib.decoratorGenerators import skipTestIf import time _multiprocess_shared_ = True k8s_cluster = None class TestKubernetesCluster(cloudstackTestCase): @classmethod def setUpClass(cls): cls.testClient = super(TestKubernetesCluster, cls).getClsTestClient() cls.apiclient = cls.testClient.getApiClient() cls.services = cls.testClient.getParsedTestDataConfig() cls.zone = get_zone(cls.apiclient, cls.testClient.getZoneForTests()) cls.hypervisor = cls.testClient.getHypervisorInfo() cls.mgtSvrDetails = cls.config.__dict__["mgtSvr"][0].__dict__ cls.cks_template_name_key = "cloud.kubernetes.cluster.template.name." + cls.hypervisor.lower() cls.hypervisorNotSupported = False if cls.hypervisor.lower() not in ["kvm", "vmware", "xenserver"]: cls.hypervisorNotSupported = True cls.setup_failed = False cls._cleanup = [] cls.kubernetes_version_ids = [] if cls.hypervisorNotSupported == False: cls.initial_configuration_cks_enabled = Configurations.list(cls.apiclient, name="cloud.kubernetes.service.enabled")[0].value if cls.initial_configuration_cks_enabled not in ["true", True]: cls.debug("Enabling CloudStack Kubernetes Service plugin and restarting management server") Configurations.update(cls.apiclient, "cloud.kubernetes.service.enabled", "true") cls.restartServer() cls.updateVmwareSettings(False) cls.cks_template = None cls.initial_configuration_cks_template_name = None cls.cks_service_offering = None if cls.setup_failed == False: try: cls.kubernetes_version_1 = cls.addKubernetesSupportedVersion(cls.services["cks_kubernetes_versions"]["1.14.9"]) cls.kubernetes_version_ids.append(cls.kubernetes_version_1.id) except Exception as e: cls.setup_failed = True cls.debug("Failed to get Kubernetes version ISO in ready state, version=%s, url=%s, %s" % (cls.services["cks_kubernetes_versions"]["1.14.9"]["semanticversion"], cls.services["cks_kubernetes_versions"]["1.14.9"]["url"], e)) if cls.setup_failed == False: try: cls.kubernetes_version_2 = cls.addKubernetesSupportedVersion(cls.services["cks_kubernetes_versions"]["1.15.0"]) cls.kubernetes_version_ids.append(cls.kubernetes_version_2.id) except Exception as e: cls.setup_failed = True cls.debug("Failed to get Kubernetes version ISO in ready state, version=%s, url=%s, %s" % (cls.services["cks_kubernetes_versions"]["1.15.0"]["semanticversion"], cls.services["cks_kubernetes_versions"]["1.15.0"]["url"], e)) if cls.setup_failed == False: try: cls.kubernetes_version_3 = cls.addKubernetesSupportedVersion(cls.services["cks_kubernetes_versions"]["1.16.0"]) cls.kubernetes_version_ids.append(cls.kubernetes_version_3.id) except Exception as e: cls.setup_failed = True cls.debug("Failed to get Kubernetes version ISO in ready state, version=%s, url=%s, %s" % (cls.services["cks_kubernetes_versions"]["1.16.0"]["semanticversion"], cls.services["cks_kubernetes_versions"]["1.16.0"]["url"], e)) if cls.setup_failed == False: try: cls.kubernetes_version_4 = cls.addKubernetesSupportedVersion(cls.services["cks_kubernetes_versions"]["1.16.3"]) cls.kubernetes_version_ids.append(cls.kubernetes_version_4.id) except Exception as e: cls.setup_failed = True cls.debug("Failed to get Kubernetes version ISO in ready state, version=%s, url=%s, %s" % (cls.services["cks_kubernetes_versions"]["1.16.3"]["semanticversion"], cls.services["cks_kubernetes_versions"]["1.16.3"]["url"], e)) if cls.setup_failed == False: cls.cks_template, existAlready = cls.getKubernetesTemplate() if cls.cks_template == FAILED: assert False, "getKubernetesTemplate() failed to return template for hypervisor %s" % cls.hypervisor cls.setup_failed = True else: if not existAlready: cls._cleanup.append(cls.cks_template) if cls.setup_failed == False: cls.initial_configuration_cks_template_name = Configurations.list(cls.apiclient, name=cls.cks_template_name_key)[0].value Configurations.update(cls.apiclient, cls.cks_template_name_key, cls.cks_template.name) cks_offering_data = cls.services["cks_service_offering"] cks_offering_data["name"] = 'CKS-Instance-' + random_gen() cls.cks_service_offering = ServiceOffering.create( cls.apiclient, cks_offering_data ) cls._cleanup.append(cls.cks_service_offering) cls.domain = get_domain(cls.apiclient) cls.account = Account.create( cls.apiclient, cls.services["account"], domainid=cls.domain.id ) cls._cleanup.append(cls.account) return @classmethod def tearDownClass(cls): version_delete_failed = False # Delete added Kubernetes supported version for version_id in cls.kubernetes_version_ids: try: cls.deleteKubernetesSupportedVersion(version_id) except Exception as e: version_delete_failed = True cls.debug("Error: Exception during cleanup for added Kubernetes supported versions: %s" % e) try: # Restore original CKS template if cls.hypervisorNotSupported == False and cls.initial_configuration_cks_template_name != None: Configurations.update(cls.apiclient, cls.cks_template_name_key, cls.initial_configuration_cks_template_name) # Restore CKS enabled if cls.initial_configuration_cks_enabled not in ["true", True]: cls.debug("Restoring Kubernetes Service enabled value") Configurations.update(cls.apiclient, "cloud.kubernetes.service.enabled", "false") cls.restartServer() cls.updateVmwareSettings(True) cleanup_resources(cls.apiclient, cls._cleanup) except Exception as e: raise Exception("Warning: Exception during cleanup : %s" % e) if version_delete_failed == True: raise Exception("Warning: Exception during cleanup, unable to delete Kubernetes supported versions") return @classmethod def updateVmwareSettings(cls, tearDown): value = "false" if not tearDown: value = "true" if cls.hypervisor.lower() == 'vmware': Configurations.update(cls.apiclient, "vmware.create.full.clone", value) allStoragePools = StoragePool.list( cls.apiclient ) for pool in allStoragePools: Configurations.update(cls.apiclient, storageid=pool.id, name="vmware.create.full.clone", value=value) @classmethod def restartServer(cls): """Restart management server""" cls.debug("Restarting management server") sshClient = SshClient( cls.mgtSvrDetails["mgtSvrIp"], 22, cls.mgtSvrDetails["user"], cls.mgtSvrDetails["passwd"] ) command = "service cloudstack-management stop" sshClient.execute(command) command = "service cloudstack-management start" sshClient.execute(command) #Waits for management to come up in 5 mins, when it's up it will continue timeout = time.time() + 300 while time.time() < timeout: if cls.isManagementUp() is True: return time.sleep(5) cls.setup_failed = True cls.debug("Management server did not come up, failing") return @classmethod def isManagementUp(cls): try: cls.apiclient.listInfrastructure(listInfrastructure.listInfrastructureCmd()) return True except Exception: return False @classmethod def getKubernetesTemplate(cls, cks_templates=None): if cks_templates is None: cks_templates = cls.services["cks_templates"] hypervisor = cls.hypervisor.lower() if hypervisor not in list(cks_templates.keys()): cls.debug("Provided hypervisor has no CKS template") return FAILED, False cks_template = cks_templates[hypervisor] cmd = listTemplates.listTemplatesCmd() cmd.name = cks_template['name'] cmd.templatefilter = 'all' cmd.zoneid = cls.zone.id cmd.hypervisor = hypervisor templates = cls.apiclient.listTemplates(cmd) if validateList(templates)[0] != PASS: details = None if hypervisor in ["vmware"] and "details" in cks_template: details = cks_template["details"] template = Template.register(cls.apiclient, cks_template, zoneid=cls.zone.id, hypervisor=hypervisor.lower(), randomize_name=False, details=details) template.download(cls.apiclient) return template, False for template in templates: if template.isready and template.ispublic: return Template(template.__dict__), True return FAILED, False @classmethod def waitForKubernetesSupportedVersionIsoReadyState(cls, version_id, retries=30, interval=60): """Check if Kubernetes supported version ISO is in Ready state""" while retries > 0: time.sleep(interval) list_versions_response = cls.listKubernetesSupportedVersion(version_id) if not hasattr(list_versions_response, 'isostate') or not list_versions_response or not list_versions_response.isostate: retries = retries - 1 continue if 'Ready' == list_versions_response.isostate: return elif 'Failed' == list_versions_response.isostate: raise Exception( "Failed to download template: status - %s" % template.status) retries = retries - 1 raise Exception("Kubernetes supported version Ready state timed out") @classmethod def listKubernetesSupportedVersion(cls, version_id): listKubernetesSupportedVersionsCmd = listKubernetesSupportedVersions.listKubernetesSupportedVersionsCmd() listKubernetesSupportedVersionsCmd.id = version_id versionResponse = cls.apiclient.listKubernetesSupportedVersions(listKubernetesSupportedVersionsCmd) return versionResponse[0] @classmethod def addKubernetesSupportedVersion(cls, version_service): addKubernetesSupportedVersionCmd = addKubernetesSupportedVersion.addKubernetesSupportedVersionCmd() addKubernetesSupportedVersionCmd.semanticversion = version_service["semanticversion"] addKubernetesSupportedVersionCmd.name = 'v' + version_service["semanticversion"] + '-' + random_gen() addKubernetesSupportedVersionCmd.url = version_service["url"] addKubernetesSupportedVersionCmd.mincpunumber = version_service["mincpunumber"] addKubernetesSupportedVersionCmd.minmemory = version_service["minmemory"] kubernetes_version = cls.apiclient.addKubernetesSupportedVersion(addKubernetesSupportedVersionCmd) cls.debug("Waiting for Kubernetes version with ID %s to be ready" % kubernetes_version.id) cls.waitForKubernetesSupportedVersionIsoReadyState(kubernetes_version.id) kubernetes_version = cls.listKubernetesSupportedVersion(kubernetes_version.id) return kubernetes_version @classmethod def deleteKubernetesSupportedVersion(cls, version_id): deleteKubernetesSupportedVersionCmd = deleteKubernetesSupportedVersion.deleteKubernetesSupportedVersionCmd() deleteKubernetesSupportedVersionCmd.id = version_id deleteKubernetesSupportedVersionCmd.deleteiso = True cls.apiclient.deleteKubernetesSupportedVersion(deleteKubernetesSupportedVersionCmd) def setUp(self): self.services = self.testClient.getParsedTestDataConfig() self.apiclient = self.testClient.getApiClient() self.dbclient = self.testClient.getDbConnection() self.cleanup = [] return def tearDown(self): try: cleanup_resources(self.apiclient, self.cleanup) except Exception as e: raise Exception("Warning: Exception during cleanup : %s" % e) return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_01_invalid_upgrade_kubernetes_cluster(self): """Test to check for failure while tying to upgrade a Kubernetes cluster to a lower version # Validate the following: # 1. upgradeKubernetesCluster should fail """ if self.setup_failed == True: self.fail("Setup incomplete") global k8s_cluster k8s_cluster = self.getValidKubernetesCluster() self.debug("Upgrading Kubernetes cluster with ID: %s to a lower version" % k8s_cluster.id) try: k8s_cluster = self.upgradeKubernetesCluster(k8s_cluster.id, self.kubernetes_version_1.id) self.debug("Invalid CKS Kubernetes HA cluster deployed with ID: %s. Deleting it and failing test." % kubernetes_version_1.id) self.deleteKubernetesClusterAndVerify(k8s_cluster.id, False, True) self.fail("Kubernetes cluster upgraded to a lower Kubernetes supported version. Must be an error.") except Exception as e: self.debug("Upgrading Kubernetes cluster with invalid Kubernetes supported version check successful, API failure: %s" % e) self.deleteKubernetesClusterAndVerify(k8s_cluster.id, False, True) return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_02_deploy_and_upgrade_kubernetes_cluster(self): """Test to deploy a new Kubernetes cluster and upgrade it to newer version # Validate the following: # 1. upgradeKubernetesCluster should return valid info for the cluster """ if self.setup_failed == True: self.fail("Setup incomplete") global k8s_cluster k8s_cluster = self.getValidKubernetesCluster() time.sleep(self.services["sleep"]) self.debug("Upgrading Kubernetes cluster with ID: %s" % k8s_cluster.id) try: k8s_cluster = self.upgradeKubernetesCluster(k8s_cluster.id, self.kubernetes_version_3.id) except Exception as e: self.deleteKubernetesClusterAndVerify(k8s_cluster.id, False, True) self.fail("Failed to upgrade Kubernetes cluster due to: %s" % e) self.verifyKubernetesClusterUpgrade(k8s_cluster, self.kubernetes_version_3.id) return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_03_deploy_and_scale_kubernetes_cluster(self): """Test to deploy a new Kubernetes cluster and check for failure while tying to scale it # Validate the following: # 1. scaleKubernetesCluster should return valid info for the cluster when it is scaled up # 2. scaleKubernetesCluster should return valid info for the cluster when it is scaled down """ if self.setup_failed == True: self.fail("Setup incomplete") global k8s_cluster k8s_cluster = self.getValidKubernetesCluster() self.debug("Upscaling Kubernetes cluster with ID: %s" % k8s_cluster.id) try: k8s_cluster = self.scaleKubernetesCluster(k8s_cluster.id, 2) except Exception as e: self.deleteKubernetesClusterAndVerify(k8s_cluster.id, False, True) self.fail("Failed to upscale Kubernetes cluster due to: %s" % e) self.verifyKubernetesClusterScale(k8s_cluster, 2) self.debug("Kubernetes cluster with ID: %s successfully upscaled, now downscaling it" % k8s_cluster.id) try: k8s_cluster = self.scaleKubernetesCluster(k8s_cluster.id, 1) except Exception as e: self.deleteKubernetesClusterAndVerify(k8s_cluster.id, False, True) self.fail("Failed to downscale Kubernetes cluster due to: %s" % e) self.verifyKubernetesClusterScale(k8s_cluster) self.debug("Kubernetes cluster with ID: %s successfully downscaled" % k8s_cluster.id) return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_04_basic_lifecycle_kubernetes_cluster(self): """Test to deploy a new Kubernetes cluster # Validate the following: # 1. createKubernetesCluster should return valid info for new cluster # 2. The Cloud Database contains the valid information # 3. stopKubernetesCluster should stop the cluster """ if self.setup_failed == True: self.fail("Setup incomplete") global k8s_cluster k8s_cluster = self.getValidKubernetesCluster() self.debug("Kubernetes cluster with ID: %s successfully deployed, now stopping it" % k8s_cluster.id) self.stopAndVerifyKubernetesCluster(k8s_cluster.id) self.debug("Kubernetes cluster with ID: %s successfully stopped, now starting it again" % k8s_cluster.id) try: k8s_cluster = self.startKubernetesCluster(k8s_cluster.id) except Exception as e: self.deleteKubernetesClusterAndVerify(k8s_cluster.id, False, True) self.fail("Failed to start Kubernetes cluster due to: %s" % e) self.verifyKubernetesClusterState(k8s_cluster, 'Running') return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_05_delete_kubernetes_cluster(self): """Test to delete an existing Kubernetes cluster # Validate the following: # 1. deleteKubernetesCluster should delete an existing Kubernetes cluster """ if self.setup_failed == True: self.fail("Setup incomplete") global k8s_cluster k8s_cluster = self.getValidKubernetesCluster() self.debug("Deleting Kubernetes cluster with ID: %s" % k8s_cluster.id) self.deleteKubernetesClusterAndVerify(k8s_cluster.id) self.debug("Kubernetes cluster with ID: %s successfully deleted" % k8s_cluster.id) k8s_cluster = None return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_06_deploy_invalid_kubernetes_ha_cluster(self): """Test to deploy an invalid HA Kubernetes cluster # Validate the following: # 1. createKubernetesCluster should fail as version doesn't support HA """ if self.setup_failed == True: self.fail("Setup incomplete") name = 'testcluster-' + random_gen() self.debug("Creating for Kubernetes cluster with name %s" % name) try: cluster_response = self.createKubernetesCluster(name, self.kubernetes_version_2.id, 1, 2) self.debug("Invalid CKS Kubernetes HA cluster deployed with ID: %s. Deleting it and failing test." % cluster_response.id) self.deleteKubernetesClusterAndVerify(cluster_response.id, False, True) self.fail("HA Kubernetes cluster deployed with Kubernetes supported version below version 1.16.0. Must be an error.") except CloudstackAPIException as e: self.debug("HA Kubernetes cluster with invalid Kubernetes supported version check successful, API failure: %s" % e) return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_07_deploy_kubernetes_ha_cluster(self): """Test to deploy a new Kubernetes cluster # Validate the following: # 1. createKubernetesCluster should return valid info for new cluster # 2. The Cloud Database contains the valid information """ if self.setup_failed == True: self.fail("Setup incomplete") global k8s_cluster k8s_cluster = self.getValidKubernetesCluster(1, 2) self.debug("HA Kubernetes cluster with ID: %s successfully deployed" % k8s_cluster.id) return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_08_deploy_and_upgrade_kubernetes_ha_cluster(self): """Test to deploy a new HA Kubernetes cluster and upgrade it to newer version # Validate the following: # 1. upgradeKubernetesCluster should return valid info for the cluster """ if self.setup_failed == True: self.fail("Setup incomplete") global k8s_cluster k8s_cluster = self.getValidKubernetesCluster(1, 2) time.sleep(self.services["sleep"]) self.debug("Upgrading HA Kubernetes cluster with ID: %s" % k8s_cluster.id) try: k8s_cluster = self.upgradeKubernetesCluster(k8s_cluster.id, self.kubernetes_version_4.id) except Exception as e: self.deleteKubernetesClusterAndVerify(k8s_cluster.id, False, True) self.fail("Failed to upgrade Kubernetes HA cluster due to: %s" % e) self.verifyKubernetesClusterUpgrade(k8s_cluster, self.kubernetes_version_4.id) self.debug("Kubernetes cluster with ID: %s successfully upgraded" % k8s_cluster.id) return @attr(tags=["advanced", "smoke"], required_hardware="true") @skipTestIf("hypervisorNotSupported") def test_09_delete_kubernetes_ha_cluster(self): """Test to delete a HA Kubernetes cluster # Validate the following: # 1. deleteKubernetesCluster should delete an existing HA Kubernetes cluster """ if self.setup_failed == True: self.fail("Setup incomplete") global k8s_cluster k8s_cluster = self.getValidKubernetesCluster(1, 2) self.debug("Deleting Kubernetes cluster with ID: %s" % k8s_cluster.id) self.deleteKubernetesClusterAndVerify(k8s_cluster.id) self.debug("Kubernetes cluster with ID: %s successfully deleted" % k8s_cluster.id) return def listKubernetesCluster(self, cluster_id = None): listKubernetesClustersCmd = listKubernetesClusters.listKubernetesClustersCmd() if cluster_id != None: listKubernetesClustersCmd.id = cluster_id clusterResponse = self.apiclient.listKubernetesClusters(listKubernetesClustersCmd) if cluster_id != None and clusterResponse != None: return clusterResponse[0] return clusterResponse def createKubernetesCluster(self, name, version_id, size=1, master_nodes=1): createKubernetesClusterCmd = createKubernetesCluster.createKubernetesClusterCmd() createKubernetesClusterCmd.name = name createKubernetesClusterCmd.description = name + "-description" createKubernetesClusterCmd.kubernetesversionid = version_id createKubernetesClusterCmd.size = size createKubernetesClusterCmd.masternodes = master_nodes createKubernetesClusterCmd.serviceofferingid = self.cks_service_offering.id createKubernetesClusterCmd.zoneid = self.zone.id createKubernetesClusterCmd.noderootdisksize = 10 createKubernetesClusterCmd.account = self.account.name createKubernetesClusterCmd.domainid = self.domain.id clusterResponse = self.apiclient.createKubernetesCluster(createKubernetesClusterCmd) if not clusterResponse: self.cleanup.append(clusterResponse) return clusterResponse def stopKubernetesCluster(self, cluster_id): stopKubernetesClusterCmd = stopKubernetesCluster.stopKubernetesClusterCmd() stopKubernetesClusterCmd.id = cluster_id response = self.apiclient.stopKubernetesCluster(stopKubernetesClusterCmd) return response def startKubernetesCluster(self, cluster_id): startKubernetesClusterCmd = startKubernetesCluster.startKubernetesClusterCmd() startKubernetesClusterCmd.id = cluster_id response = self.apiclient.startKubernetesCluster(startKubernetesClusterCmd) return response def deleteKubernetesCluster(self, cluster_id): deleteKubernetesClusterCmd = deleteKubernetesCluster.deleteKubernetesClusterCmd() deleteKubernetesClusterCmd.id = cluster_id response = self.apiclient.deleteKubernetesCluster(deleteKubernetesClusterCmd) return response def upgradeKubernetesCluster(self, cluster_id, version_id): upgradeKubernetesClusterCmd = upgradeKubernetesCluster.upgradeKubernetesClusterCmd() upgradeKubernetesClusterCmd.id = cluster_id upgradeKubernetesClusterCmd.kubernetesversionid = version_id response = self.apiclient.upgradeKubernetesCluster(upgradeKubernetesClusterCmd) return response def scaleKubernetesCluster(self, cluster_id, size): scaleKubernetesClusterCmd = scaleKubernetesCluster.scaleKubernetesClusterCmd() scaleKubernetesClusterCmd.id = cluster_id scaleKubernetesClusterCmd.size = size response = self.apiclient.scaleKubernetesCluster(scaleKubernetesClusterCmd) return response def getValidKubernetesCluster(self, size=1, master_nodes=1): cluster = k8s_cluster version = self.kubernetes_version_2 if master_nodes != 1: version = self.kubernetes_version_3 valid = True if cluster == None: valid = False self.debug("No existing cluster available, k8s_cluster: %s" % cluster) if valid == True and cluster.id == None: valid = False self.debug("ID for existing cluster not found, k8s_cluster ID: %s" % cluster.id) if valid == True: cluster_id = cluster.id cluster = self.listKubernetesCluster(cluster_id) if cluster == None: valid = False self.debug("Existing cluster, k8s_cluster ID: %s not returned by list API" % cluster_id) if valid == True: try: self.verifyKubernetesCluster(cluster, cluster.name, None, size, master_nodes) self.debug("Existing Kubernetes cluster available with name %s" % cluster.name) except AssertionError as error: valid = False self.debug("Existing cluster failed verification due to %s, need to deploy a new one" % error) if valid == False: name = 'testcluster-' + random_gen() self.debug("Creating for Kubernetes cluster with name %s" % name) try: self.deleteAllLeftoverClusters() cluster = self.createKubernetesCluster(name, version.id, size, master_nodes) self.verifyKubernetesCluster(cluster, name, version.id, size, master_nodes) except Exception as ex: self.fail("Kubernetes cluster deployment failed: %s" % ex) except AssertionError as err: self.fail("Kubernetes cluster deployment failed during cluster verification: %s" % err) return cluster def verifyKubernetesCluster(self, cluster_response, name, version_id=None, size=1, master_nodes=1): """Check if Kubernetes cluster is valid""" self.verifyKubernetesClusterState(cluster_response, 'Running') if name != None: self.assertEqual( cluster_response.name, name, "Check KubernetesCluster name {}, {}".format(cluster_response.name, name) ) if version_id != None: self.verifyKubernetesClusterVersion(cluster_response, version_id) self.assertEqual( cluster_response.zoneid, self.zone.id, "Check KubernetesCluster zone {}, {}".format(cluster_response.zoneid, self.zone.id) ) self.verifyKubernetesClusterSize(cluster_response, size, master_nodes) db_cluster_name = self.dbclient.execute("select name from kubernetes_cluster where uuid = '%s';" % cluster_response.id)[0][0] self.assertEqual( str(db_cluster_name), name, "Check KubernetesCluster name in DB {}, {}".format(db_cluster_name, name) ) def verifyKubernetesClusterState(self, cluster_response, state): """Check if Kubernetes cluster state is Running""" self.assertEqual( cluster_response.state, 'Running', "Check KubernetesCluster state {}, {}".format(cluster_response.state, state) ) def verifyKubernetesClusterVersion(self, cluster_response, version_id): """Check if Kubernetes cluster node sizes are valid""" self.assertEqual( cluster_response.kubernetesversionid, version_id, "Check KubernetesCluster version {}, {}".format(cluster_response.kubernetesversionid, version_id) ) def verifyKubernetesClusterSize(self, cluster_response, size=1, master_nodes=1): """Check if Kubernetes cluster node sizes are valid""" self.assertEqual( cluster_response.size, size, "Check KubernetesCluster size {}, {}".format(cluster_response.size, size) ) self.assertEqual( cluster_response.masternodes, master_nodes, "Check KubernetesCluster master nodes {}, {}".format(cluster_response.masternodes, master_nodes) ) def verifyKubernetesClusterUpgrade(self, cluster_response, version_id): """Check if Kubernetes cluster state and version are valid after upgrade""" self.verifyKubernetesClusterState(cluster_response, 'Running') self.verifyKubernetesClusterVersion(cluster_response, version_id) def verifyKubernetesClusterScale(self, cluster_response, size=1, master_nodes=1): """Check if Kubernetes cluster state and node sizes are valid after upgrade""" self.verifyKubernetesClusterState(cluster_response, 'Running') self.verifyKubernetesClusterSize(cluster_response, size, master_nodes) def stopAndVerifyKubernetesCluster(self, cluster_id): """Stop Kubernetes cluster and check if it is really stopped""" stop_response = self.stopKubernetesCluster(cluster_id) self.assertEqual( stop_response.success, True, "Check KubernetesCluster stop response {}, {}".format(stop_response.success, True) ) db_cluster_state = self.dbclient.execute("select state from kubernetes_cluster where uuid = '%s';" % cluster_id)[0][0] self.assertEqual( db_cluster_state, 'Stopped', "KubernetesCluster not stopped in DB, {}".format(db_cluster_state) ) def deleteKubernetesClusterAndVerify(self, cluster_id, verify = True, forced = False): """Delete Kubernetes cluster and check if it is really deleted""" forceDeleted = False try: delete_response = self.deleteKubernetesCluster(cluster_id) except Exception as e: if forced: cluster = self.listKubernetesCluster(cluster_id) if cluster != None: if cluster.state in ['Starting', 'Running', 'Upgrading', 'Scaling']: self.stopKubernetesCluster(cluster_id) self.deleteKubernetesCluster(cluster_id) else: forceDeleted = True for cluster_vm in cluster.virtualmachines: cmd = destroyVirtualMachine.destroyVirtualMachineCmd() cmd.id = cluster_vm.id cmd.expunge = True self.apiclient.destroyVirtualMachine(cmd) cmd = deleteNetwork.deleteNetworkCmd() cmd.id = cluster.networkid cmd.forced = True self.apiclient.deleteNetwork(cmd) self.dbclient.execute("update kubernetes_cluster set state='Destroyed', removed=now() where uuid = '%s';" % cluster.id) else: raise Exception("Error: Exception during delete cluster : %s" % e) if verify == True and forceDeleted == False: self.assertEqual( delete_response.success, True, "Check KubernetesCluster delete response {}, {}".format(delete_response.success, True) ) db_cluster_removed = self.dbclient.execute("select removed from kubernetes_cluster where uuid = '%s';" % cluster_id)[0][0] self.assertNotEqual( db_cluster_removed, None, "KubernetesCluster not removed in DB, {}".format(db_cluster_removed) ) def deleteAllLeftoverClusters(self): clusters = self.listKubernetesCluster() if clusters != None: for cluster in clusters: self.deleteKubernetesClusterAndVerify(cluster.id, False, True)