| /** |
| * 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. |
| */ |
| |
| package org.apache.heron.scheduler.kubernetes; |
| |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.mockito.Matchers; |
| import org.mockito.Mockito; |
| |
| import org.apache.heron.proto.scheduler.Scheduler; |
| import org.apache.heron.scheduler.TopologyRuntimeManagementException; |
| import org.apache.heron.spi.common.Config; |
| import org.apache.heron.spi.common.Key; |
| import org.apache.heron.spi.packing.PackingPlan; |
| import org.apache.heron.spi.utils.PackingTestUtils; |
| |
| public class KubernetesSchedulerTest { |
| private static final String TOPOLOGY_NAME = "topology-name"; |
| private static final int CONTAINER_INDEX = 1; |
| private static final String PACKING_PLAN_ID = "packing_plan_id"; |
| |
| private KubernetesScheduler scheduler; |
| |
| private Config config; |
| private Config mockRuntime; |
| |
| @Rule |
| public final ExpectedException expectedException = ExpectedException.none(); |
| |
| @Before |
| public void setUp() throws Exception { |
| scheduler = Mockito.spy(KubernetesScheduler.class); |
| |
| config = Config.newBuilder().build(); |
| mockRuntime = Mockito.mock(Config.class); |
| Mockito.when(mockRuntime.getStringValue(Key.TOPOLOGY_NAME)) |
| .thenReturn(TOPOLOGY_NAME); |
| } |
| |
| @Test |
| public void testOnSchedule() throws Exception { |
| KubernetesController controller = Mockito.mock(KubernetesController.class); |
| Mockito.doReturn(controller).when(scheduler).getController(); |
| scheduler.initialize(config, mockRuntime); |
| |
| // Fail to schedule due to null PackingPlan |
| Assert.assertFalse(scheduler.onSchedule(null)); |
| |
| PackingPlan pplan = |
| new PackingPlan( |
| PACKING_PLAN_ID, |
| new HashSet<>() |
| ); |
| Assert.assertTrue(pplan.getContainers().isEmpty()); |
| // Fail to schedule due to PackingPlan is empty |
| Assert.assertFalse(scheduler.onSchedule(pplan)); |
| |
| Set<PackingPlan.ContainerPlan> containers = new HashSet<>(); |
| containers.add(Mockito.mock(PackingPlan.ContainerPlan.class)); |
| PackingPlan validPlan = |
| new PackingPlan(PACKING_PLAN_ID, containers); |
| |
| // Failed to submit topology due to controller failure |
| Mockito.doReturn(false).when(controller).submit(Mockito.any(PackingPlan.class)); |
| Assert.assertFalse(scheduler.onSchedule(validPlan)); |
| Mockito.verify(controller).submit(Mockito.any(PackingPlan.class)); |
| |
| // Succeed to submit topology |
| Mockito.doReturn(true).when(controller).submit(Mockito.any(PackingPlan.class)); |
| Assert.assertTrue(scheduler.onSchedule(validPlan)); |
| Mockito.verify(controller, Mockito.times(2)).submit(Mockito.any(PackingPlan.class)); |
| } |
| |
| @Test |
| public void testOnRestart() throws Exception { |
| KubernetesController controller = Mockito.mock(KubernetesController.class); |
| Mockito.doReturn(controller).when(scheduler).getController(); |
| scheduler.initialize(config, mockRuntime); |
| |
| // Construct RestartTopologyRequest |
| Scheduler.RestartTopologyRequest restartTopologyRequest = |
| Scheduler.RestartTopologyRequest.newBuilder() |
| .setTopologyName(TOPOLOGY_NAME) |
| .setContainerIndex(CONTAINER_INDEX) |
| .build(); |
| |
| // Fail to restart |
| Mockito.doReturn(false).when(controller).restart(Mockito.anyInt()); |
| Assert.assertFalse(scheduler.onRestart(restartTopologyRequest)); |
| Mockito.verify(controller).restart(Matchers.anyInt()); |
| |
| // Succeed to restart |
| Mockito.doReturn(true).when(controller).restart(Mockito.anyInt()); |
| Assert.assertTrue(scheduler.onRestart(restartTopologyRequest)); |
| Mockito.verify(controller, Mockito.times(2)).restart(Matchers.anyInt()); |
| } |
| |
| @Test |
| public void testOnKill() throws Exception { |
| KubernetesController controller = Mockito.mock(KubernetesController.class); |
| Mockito.doReturn(controller).when(scheduler).getController(); |
| scheduler.initialize(config, mockRuntime); |
| |
| // Fail to kill topology |
| Mockito.doReturn(false).when(controller).killTopology(); |
| Assert.assertFalse(scheduler.onKill(Mockito.any(Scheduler.KillTopologyRequest.class))); |
| Mockito.verify(controller).killTopology(); |
| |
| // Succeed to kill topology |
| Mockito.doReturn(true).when(controller).killTopology(); |
| Assert.assertTrue(scheduler.onKill(Mockito.any(Scheduler.KillTopologyRequest.class))); |
| Mockito.verify(controller, Mockito.times(2)).killTopology(); |
| } |
| |
| @Test |
| public void testAddContainers() throws Exception { |
| KubernetesController controller = Mockito.mock(KubernetesController.class); |
| Mockito.doReturn(controller).when(scheduler).getController(); |
| scheduler.initialize(config, mockRuntime); |
| Set<PackingPlan.ContainerPlan> containers = new HashSet<>(); |
| |
| // Failure to deploy a container |
| Mockito.doThrow(new TopologyRuntimeManagementException("")).when(controller) |
| .addContainers(Mockito.anySetOf(PackingPlan.ContainerPlan.class)); |
| expectedException.expect(TopologyRuntimeManagementException.class); |
| scheduler.addContainers(containers); |
| |
| // Successful deployment |
| Mockito.doNothing().when(controller) |
| .addContainers(Mockito.anySetOf(PackingPlan.ContainerPlan.class)); |
| scheduler.addContainers(containers); |
| } |
| |
| @Test |
| public void testRemoveContainers() throws Exception { |
| KubernetesController controller = Mockito.mock(KubernetesController.class); |
| Mockito.doReturn(controller).when(scheduler).getController(); |
| scheduler.initialize(config, mockRuntime); |
| Set<PackingPlan.ContainerPlan> containers = new HashSet<>(); |
| containers.add(PackingTestUtils.testContainerPlan(0)); |
| |
| // Failure to remove container |
| Mockito.doThrow(new TopologyRuntimeManagementException("")).when(controller) |
| .removeContainers(Mockito.anySetOf(PackingPlan.ContainerPlan.class)); |
| expectedException.expect(TopologyRuntimeManagementException.class); |
| scheduler.removeContainers(containers); |
| |
| // Successful removal |
| Mockito.doNothing().when(controller) |
| .removeContainers(Mockito.anySetOf(PackingPlan.ContainerPlan.class)); |
| scheduler.removeContainers(containers); |
| } |
| |
| @Test |
| public void testGetJobLinks() throws Exception { |
| final String SCHEDULER_URI = "http://k8s.uri"; |
| final String JOB_LINK = SCHEDULER_URI + KubernetesConstants.JOB_LINK; |
| |
| Config c = Config.newBuilder() |
| .put(KubernetesContext.HERON_KUBERNETES_SCHEDULER_URI, SCHEDULER_URI) |
| .build(); |
| |
| scheduler.initialize(c, mockRuntime); |
| |
| List<String> links = scheduler.getJobLinks(); |
| Assert.assertEquals(1, links.size()); |
| System.out.println(links.get(0)); |
| System.out.println(JOB_LINK); |
| Assert.assertTrue(links.get(0).equals(JOB_LINK)); |
| } |
| |
| @Test |
| public void testFetchCommand() throws URISyntaxException { |
| final String expectedFetchCommand = |
| "/opt/heron/heron-core/bin/heron-downloader https://heron/topology.tar.gz ."; |
| |
| Config mockConfig = Mockito.mock(Config.class); |
| Mockito.when(mockConfig.getStringValue(Key.DOWNLOADER_BINARY)) |
| .thenReturn("/opt/heron/heron-core/bin/heron-downloader"); |
| |
| Config mockRuntimeConfig = Mockito.mock(Config.class); |
| Mockito.when(mockRuntimeConfig.get(Key.TOPOLOGY_PACKAGE_URI)) |
| .thenReturn(new URI("https://heron/topology.tar.gz")); |
| |
| Assert.assertEquals(expectedFetchCommand, |
| KubernetesUtils.getFetchCommand(mockConfig, mockRuntimeConfig)); |
| } |
| |
| @Test |
| public void testValidTopologyName() { |
| // test valid names |
| Assert.assertTrue(KubernetesScheduler.topologyNameIsValid("topology")); |
| Assert.assertTrue(KubernetesScheduler.topologyNameIsValid("test-topology")); |
| Assert.assertTrue(KubernetesScheduler.topologyNameIsValid("test.topology")); |
| |
| // test invalid names |
| final String invalidCharacters = "!@#$%^&*()_+=</|\":\\; "; |
| for (int i = 0; i < invalidCharacters.length(); ++i) { |
| final String topologyName = "test" + invalidCharacters.charAt(i) + "topology"; |
| Assert.assertFalse(KubernetesScheduler.topologyNameIsValid(topologyName)); |
| } |
| } |
| |
| @Test |
| public void testValidImagePullPolicies() { |
| // test valid names |
| Assert.assertTrue(KubernetesScheduler.imagePullPolicyIsValid(null)); |
| Assert.assertTrue(KubernetesScheduler.imagePullPolicyIsValid("")); |
| KubernetesConstants.VALID_IMAGE_PULL_POLICIES.forEach((String policy) -> |
| Assert.assertTrue(KubernetesScheduler.imagePullPolicyIsValid(policy)) |
| ); |
| |
| // test invalid names |
| Assert.assertFalse(KubernetesScheduler.imagePullPolicyIsValid("never")); |
| Assert.assertFalse(KubernetesScheduler.imagePullPolicyIsValid("unknownPolicy")); |
| } |
| } |