[ONOS-7926] Implement IPAM service to allocate IP for Kubernetes POD
Change-Id: I32fd1fffb41ec728d0be092ac5a8f555179e7a9e
diff --git a/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/web/K8sIpamWebResourceTest.java b/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/web/K8sIpamWebResourceTest.java
new file mode 100644
index 0000000..ad6e52b
--- /dev/null
+++ b/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/web/K8sIpamWebResourceTest.java
@@ -0,0 +1,188 @@
+/*
+ * 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.k8snetworking.web;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.osgi.ServiceDirectory;
+import org.onlab.osgi.TestServiceDirectory;
+import org.onlab.packet.IpAddress;
+import org.onosproject.codec.CodecService;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.k8snetworking.api.DefaultK8sNetwork;
+import org.onosproject.k8snetworking.api.K8sIpam;
+import org.onosproject.k8snetworking.api.K8sIpamAdminService;
+import org.onosproject.k8snetworking.api.K8sNetwork;
+import org.onosproject.k8snetworking.api.K8sNetworkService;
+import org.onosproject.k8snetworking.codec.K8sIpamCodec;
+import org.onosproject.rest.resources.ResourceTest;
+
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.Response;
+
+import static junit.framework.TestCase.assertEquals;
+import static org.easymock.EasyMock.anyObject;
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+
+/**
+ * Unit test for kubernetes IPAM REST API.
+ */
+public class K8sIpamWebResourceTest extends ResourceTest {
+
+ final K8sNetworkService mockNetworkService = createMock(K8sNetworkService.class);
+ final K8sIpamAdminService mockIpamService = createMock(K8sIpamAdminService.class);
+
+ private static final String IPAM = "ipam";
+
+ private K8sNetwork k8sNetwork;
+
+ /**
+ * Constructs a kubernetes networking resource test instance.
+ */
+ public K8sIpamWebResourceTest() {
+ super(ResourceConfig.forApplicationClass(K8sNetworkingWebApplication.class));
+ }
+
+ /**
+ * Sets up the global values for all the tests.
+ */
+ @Before
+ public void setUpTest() {
+ final CodecManager codecService = new CodecManager();
+ codecService.activate();
+ codecService.registerCodec(K8sIpam.class, new K8sIpamCodec());
+ ServiceDirectory testDirectory =
+ new TestServiceDirectory()
+ .add(K8sNetworkService.class, mockNetworkService)
+ .add(K8sIpamAdminService.class, mockIpamService)
+ .add(CodecService.class, codecService);
+ setServiceDirectory(testDirectory);
+
+ k8sNetwork = DefaultK8sNetwork.builder()
+ .networkId("sona-network")
+ .name("sona-network")
+ .segmentId("1")
+ .cidr("10.10.10.0/24")
+ .gatewayIp(IpAddress.valueOf("10.10.10.1"))
+ .type(K8sNetwork.Type.VXLAN)
+ .mtu(1500)
+ .build();
+ }
+
+ /**
+ * Tests the IP allocation with incorrect network ID.
+ */
+ @Test
+ public void testAllocateIpWithIncorrectNetId() {
+ expect(mockNetworkService.network(anyObject())).andReturn(null);
+
+ replay(mockNetworkService);
+
+ final WebTarget wt = target();
+ Response response = wt.path(IPAM + "/sona-network").request().get();
+ final int status = response.getStatus();
+
+ assertEquals(404, status);
+
+ verify(mockNetworkService);
+ }
+
+ /**
+ * Tests the IP allocation with null IP address returned.
+ */
+ @Test
+ public void testAllocateIpWithNullIp() {
+ expect(mockNetworkService.network(anyObject())).andReturn(k8sNetwork);
+ expect(mockIpamService.allocateIp(anyObject())).andReturn(null);
+
+ replay(mockNetworkService);
+ replay(mockIpamService);
+
+ final WebTarget wt = target();
+ Response response = wt.path(IPAM + "/sona-network").request().get();
+ final int status = response.getStatus();
+
+ assertEquals(404, status);
+
+ verify(mockNetworkService);
+ verify(mockIpamService);
+ }
+
+ /**
+ * Tests the IP allocation with correct IP address returned.
+ */
+ @Test
+ public void testAllocateIp() {
+ expect(mockNetworkService.network(anyObject())).andReturn(k8sNetwork);
+ expect(mockIpamService.allocateIp(anyObject()))
+ .andReturn(IpAddress.valueOf("10.10.10.2"));
+
+ replay(mockNetworkService);
+ replay(mockIpamService);
+
+ final WebTarget wt = target();
+ Response response = wt.path(IPAM + "/sona-network").request().get();
+ final int status = response.getStatus();
+
+ assertEquals(200, status);
+
+ verify(mockNetworkService);
+ verify(mockIpamService);
+ }
+
+ /**
+ * Tests the IP allocation with incorrect network ID.
+ */
+ @Test
+ public void testReleaseIpWithIncorrectNetIdAndIp() {
+ expect(mockNetworkService.network(anyObject())).andReturn(null);
+
+ replay(mockNetworkService);
+
+ final WebTarget wt = target();
+ Response response = wt.path(IPAM + "/sona-network/10.10.10.2").request().delete();
+ final int status = response.getStatus();
+
+ assertEquals(404, status);
+
+ verify(mockNetworkService);
+ }
+
+ /**
+ * Tests the IP allocation with correct network ID and IP address.
+ */
+ @Test
+ public void testReleaseIpWithCorrectNetIdAndIp() {
+ expect(mockNetworkService.network(anyObject())).andReturn(k8sNetwork);
+ expect(mockIpamService.releaseIp(anyObject(), anyObject())).andReturn(true);
+
+ replay(mockNetworkService);
+ replay(mockIpamService);
+
+ final WebTarget wt = target();
+ Response response = wt.path(IPAM + "/sona-network/10.10.10.2").request().delete();
+ final int status = response.getStatus();
+
+ assertEquals(204, status);
+
+ verify(mockNetworkService);
+ verify(mockIpamService);
+ }
+}