[ONOS-7902] Add default implementation of k8s node with unit tests
Change-Id: I283967ae14dc7f38e749d7407e4bec698536c18b
diff --git a/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/impl/K8sNodeManagerTest.java b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/impl/K8sNodeManagerTest.java
new file mode 100644
index 0000000..066647b
--- /dev/null
+++ b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/impl/K8sNodeManagerTest.java
@@ -0,0 +1,334 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * 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.
+ */
+package org.onosproject.k8snode.impl;
+
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.MoreExecutors;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.junit.TestUtils;
+import org.onlab.packet.ChassisId;
+import org.onlab.packet.IpAddress;
+import org.onosproject.cluster.ClusterServiceAdapter;
+import org.onosproject.cluster.LeadershipServiceAdapter;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreServiceAdapter;
+import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.event.Event;
+import org.onosproject.k8snode.api.DefaultK8sNode;
+import org.onosproject.k8snode.api.K8sNode;
+import org.onosproject.k8snode.api.K8sNodeEvent;
+import org.onosproject.k8snode.api.K8sNodeListener;
+import org.onosproject.k8snode.api.K8sNodeState;
+import org.onosproject.net.DefaultDevice;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.store.service.TestStorageService;
+
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.onosproject.k8snode.api.K8sNode.Type.MINION;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_COMPLETE;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_CREATED;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_INCOMPLETE;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_REMOVED;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_UPDATED;
+import static org.onosproject.k8snode.api.K8sNodeState.COMPLETE;
+import static org.onosproject.k8snode.api.K8sNodeState.INCOMPLETE;
+import static org.onosproject.k8snode.api.K8sNodeState.INIT;
+import static org.onosproject.net.Device.Type.SWITCH;
+
+/**
+ * Unit tests for Kubernetes node manager.
+ */
+public class K8sNodeManagerTest {
+
+ private static final ApplicationId TEST_APP_ID = new DefaultApplicationId(1, "test");
+
+ private static final String ERR_SIZE = "Number of nodes did not match";
+ private static final String ERR_NOT_MATCH = "Node did not match";
+ private static final String ERR_NOT_FOUND = "Node did not exist";
+
+ private static final String MINION_1_HOSTNAME = "minion_1";
+ private static final String MINION_2_HOSTNAME = "minion_2";
+ private static final String MINION_3_HOSTNAME = "minion_3";
+
+ private static final Device MINION_1_INTG_DEVICE = createDevice(1);
+ private static final Device MINION_2_INTG_DEVICE = createDevice(2);
+ private static final Device MINION_3_INTG_DEVICE = createDevice(3);
+
+ private static final K8sNode MINION_1 = createNode(
+ MINION_1_HOSTNAME,
+ MINION,
+ MINION_1_INTG_DEVICE,
+ IpAddress.valueOf("10.100.0.1"),
+ INIT
+ );
+ private static final K8sNode MINION_2 = createNode(
+ MINION_2_HOSTNAME,
+ MINION,
+ MINION_2_INTG_DEVICE,
+ IpAddress.valueOf("10.100.0.2"),
+ INIT
+ );
+ private static final K8sNode MINION_3 = createNode(
+ MINION_3_HOSTNAME,
+ MINION,
+ MINION_3_INTG_DEVICE,
+ IpAddress.valueOf("10.100.0.3"),
+ COMPLETE
+ );
+
+ private final TestK8sNodeListener testListener = new TestK8sNodeListener();
+
+ private K8sNodeManager target;
+ private DistributedK8sNodeStore nodeStore;
+
+ /**
+ * Initial setup for this unit test.
+ */
+ @Before
+ public void setUp() {
+ nodeStore = new DistributedK8sNodeStore();
+ TestUtils.setField(nodeStore, "coreService", new TestCoreService());
+ TestUtils.setField(nodeStore, "storageService", new TestStorageService());
+ TestUtils.setField(nodeStore, "eventExecutor", MoreExecutors.newDirectExecutorService());
+ nodeStore.activate();
+
+ nodeStore.createNode(MINION_2);
+ nodeStore.createNode(MINION_3);
+
+ target = new K8sNodeManager();
+ target.storageService = new TestStorageService();
+ target.coreService = new TestCoreService();
+ target.clusterService = new TestClusterService();
+ target.leadershipService = new TestLeadershipService();
+ target.nodeStore = nodeStore;
+ target.addListener(testListener);
+ target.activate();
+ testListener.events.clear();
+ }
+
+ /**
+ * Clean up unit test.
+ */
+ @After
+ public void tearDown() {
+ target.removeListener(testListener);
+ target.deactivate();
+ nodeStore.deactivate();
+ nodeStore = null;
+ target = null;
+ }
+
+ /**
+ * Checks if creating and removing a node work well with proper events.
+ */
+ @Test
+ public void testCreateAndRemoveNode() {
+ target.createNode(MINION_1);
+ assertEquals(ERR_SIZE, 3, target.nodes().size());
+ assertNotNull(target.node(MINION_1_HOSTNAME));
+
+ target.removeNode(MINION_1_HOSTNAME);
+ assertEquals(ERR_SIZE, 2, target.nodes().size());
+ assertNull(target.node(MINION_1_HOSTNAME));
+
+ validateEvents(K8S_NODE_CREATED, K8S_NODE_REMOVED);
+ }
+
+ /**
+ * Checks if creating null node fails with proper exception.
+ */
+ @Test(expected = NullPointerException.class)
+ public void testCreateNullNode() {
+ target.createNode(null);
+ }
+
+ /**
+ * Checks if creating a duplicated node fails with proper exception.
+ */
+ @Test(expected = IllegalArgumentException.class)
+ public void testCreateDuplicateNode() {
+ target.createNode(MINION_1);
+ target.createNode(MINION_1);
+ }
+
+ /**
+ * Checks if removing null node fails with proper exception.
+ */
+ @Test(expected = IllegalArgumentException.class)
+ public void testRemoveNullNode() {
+ target.removeNode(null);
+ }
+
+ /**
+ * Checks if updating a node works well with proper event.
+ */
+ @Test
+ public void testUpdateNode() {
+ K8sNode updated = DefaultK8sNode.from(MINION_2)
+ .dataIp(IpAddress.valueOf("10.200.0.100"))
+ .build();
+ target.updateNode(updated);
+ assertEquals(ERR_NOT_MATCH, updated, target.node(MINION_2_INTG_DEVICE.id()));
+ validateEvents(K8S_NODE_UPDATED);
+ }
+
+ /**
+ * Checks if updating a node state to complete generates proper events.
+ */
+ @Test
+ public void testUpdateNodeStateComplete() {
+ K8sNode updated = DefaultK8sNode.from(MINION_2)
+ .state(COMPLETE)
+ .build();
+ target.updateNode(updated);
+ assertEquals(ERR_NOT_MATCH, updated, target.node(MINION_2_HOSTNAME));
+ validateEvents(K8S_NODE_UPDATED, K8S_NODE_COMPLETE);
+ }
+
+ /**
+ * Checks if updating a node state to incomplete generates proper events.
+ */
+ @Test
+ public void testUpdateNodeStateIncomplete() {
+ K8sNode updated = DefaultK8sNode.from(MINION_3)
+ .state(INCOMPLETE)
+ .build();
+ target.updateNode(updated);
+ assertEquals(ERR_NOT_MATCH, updated, target.node(MINION_3_HOSTNAME));
+ validateEvents(K8S_NODE_UPDATED, K8S_NODE_INCOMPLETE);
+ }
+
+ /**
+ * Checks if updating a null node fails with proper exception.
+ */
+ @Test(expected = NullPointerException.class)
+ public void testUpdateNullNode() {
+ target.updateNode(null);
+ }
+
+ /**
+ * Checks if updating not existing node fails with proper exception.
+ */
+ @Test(expected = IllegalArgumentException.class)
+ public void testUpdateNotExistingNode() {
+ target.updateNode(MINION_1);
+ }
+
+ /**
+ * Checks if getting all nodes method returns correct set of nodes.
+ */
+ @Test
+ public void testGetAllNodes() {
+ assertEquals(ERR_SIZE, 2, target.nodes().size());
+ assertTrue(ERR_NOT_FOUND, target.nodes().contains(MINION_2));
+ assertTrue(ERR_NOT_FOUND, target.nodes().contains(MINION_3));
+ }
+
+ /**
+ * Checks if getting complete nodes method returns correct set of nodes.
+ */
+ @Test
+ public void testGetCompleteNodes() {
+ assertEquals(ERR_SIZE, 1, target.completeNodes().size());
+ assertTrue(ERR_NOT_FOUND, target.completeNodes().contains(MINION_3));
+ }
+
+ /**
+ * Checks if getting nodes by type method returns correct set of nodes.
+ */
+ @Test
+ public void testGetNodesByType() {
+ assertEquals(ERR_SIZE, 2, target.nodes(MINION).size());
+ assertTrue(ERR_NOT_FOUND, target.nodes(MINION).contains(MINION_2));
+ assertTrue(ERR_NOT_FOUND, target.nodes(MINION).contains(MINION_3));
+ }
+
+ /**
+ * Checks if getting a node by hostname returns correct node.
+ */
+ @Test
+ public void testGetNodeByHostname() {
+ assertEquals(ERR_NOT_FOUND, target.node(MINION_2_HOSTNAME), MINION_2);
+ assertEquals(ERR_NOT_FOUND, target.node(MINION_3_HOSTNAME), MINION_3);
+ }
+
+ private void validateEvents(Enum... types) {
+ int i = 0;
+ assertEquals("Number of events did not match", types.length, testListener.events.size());
+ for (Event event : testListener.events) {
+ assertEquals("Incorrect event received", types[i], event.type());
+ i++;
+ }
+ testListener.events.clear();
+ }
+
+ private static Device createDevice(long devIdNum) {
+ return new DefaultDevice(new ProviderId("of", "foo"),
+ DeviceId.deviceId(String.format("of:%016d", devIdNum)),
+ SWITCH,
+ "manufacturer",
+ "hwVersion",
+ "swVersion",
+ "serialNumber",
+ new ChassisId(1));
+ }
+
+ private static class TestK8sNodeListener implements K8sNodeListener {
+ private List<K8sNodeEvent> events = Lists.newArrayList();
+
+ @Override
+ public void event(K8sNodeEvent event) {
+ events.add(event);
+ }
+ }
+
+ private static class TestCoreService extends CoreServiceAdapter {
+ @Override
+ public ApplicationId registerApplication(String name) {
+ return TEST_APP_ID;
+ }
+ }
+
+ private class TestClusterService extends ClusterServiceAdapter {
+
+ }
+
+ private static class TestLeadershipService extends LeadershipServiceAdapter {
+
+ }
+
+ private static K8sNode createNode(String hostname, K8sNode.Type type,
+ Device intgBridge, IpAddress ipAddr,
+ K8sNodeState state) {
+ return DefaultK8sNode.builder()
+ .hostname(hostname)
+ .type(type)
+ .intgBridge(intgBridge.id())
+ .managementIp(ipAddr)
+ .dataIp(ipAddr)
+ .state(state)
+ .build();
+ }
+}