/**
* 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.whirr.cli.command;
import static com.google.common.base.Preconditions.checkArgument;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.PrintStream;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.apache.whirr.Cluster;
import org.apache.whirr.ClusterController;
import org.apache.whirr.ClusterControllerFactory;
import org.apache.whirr.ClusterSpec;
import org.apache.whirr.state.ClusterStateStore;
import org.apache.whirr.state.ClusterStateStoreFactory;
import org.apache.whirr.state.MemoryClusterStateStore;
import org.apache.whirr.util.KeyPair;
import org.hamcrest.Matcher;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.NodeMetadataBuilder;
import org.jclouds.compute.domain.NodeState;
import org.jclouds.domain.Credentials;
import org.jclouds.domain.LocationBuilder;
import org.jclouds.domain.LocationScope;
import org.junit.Before;
import org.junit.Test;
import org.junit.internal.matchers.StringContains;
public class ListClusterCommandTest {
private ByteArrayOutputStream outBytes;
private PrintStream out;
private ByteArrayOutputStream errBytes;
private PrintStream err;
@Before
public void setUp() {
outBytes = new ByteArrayOutputStream();
out = new PrintStream(outBytes);
errBytes = new ByteArrayOutputStream();
err = new PrintStream(errBytes);
}
@Test
public void testInsufficientOptions() throws Exception {
ListClusterCommand command = new ListClusterCommand();
int rc = command.run(null, null, err, Collections.<String>emptyList());
assertThat(rc, is(-1));
assertThat(errBytes.toString(), containsUsageString());
}
private Matcher<String> containsUsageString() {
return StringContains.containsString("Usage: whirr list-cluster [OPTIONS]");
}
@Test
public void testAllOptions() throws Exception {
ClusterControllerFactory factory = mock(ClusterControllerFactory.class);
ClusterController controller = mock(ClusterController.class);
when(factory.create((String) any())).thenReturn(controller);
NodeMetadata node1 = new NodeMetadataBuilder().name("name1").ids("id1")
.location(new LocationBuilder().scope(LocationScope.PROVIDER)
.id("location-id1").description("location-desc1").build())
.imageId("image-id").state(NodeState.RUNNING)
.publicAddresses(Lists.newArrayList("127.0.0.1"))
.privateAddresses(Lists.newArrayList("127.0.0.1")).build();
NodeMetadata node2 = new NodeMetadataBuilder().name("name2").ids("id2")
.location(new LocationBuilder().scope(LocationScope.PROVIDER)
.id("location-id2").description("location-desc2").build())
.imageId("image-id").state(NodeState.RUNNING)
.publicAddresses(Lists.newArrayList("127.0.0.2"))
.privateAddresses(Lists.newArrayList("127.0.0.2")).build();
when(controller.getNodes((ClusterSpec) any())).thenReturn(
(Set) Sets.newLinkedHashSet(Lists.newArrayList(node1, node2)));
when(controller.getInstances((ClusterSpec)any(), (ClusterStateStore)any()))
.thenCallRealMethod();
ClusterStateStore memStore = new MemoryClusterStateStore();
memStore.save(createTestCluster(
new String[]{"id1", "id2"}, new String[]{"role1", "role2"}));
ClusterStateStoreFactory stateStoreFactory = mock(ClusterStateStoreFactory.class);
when(stateStoreFactory.create((ClusterSpec) any())).thenReturn(memStore);
ListClusterCommand command = new ListClusterCommand(factory, stateStoreFactory);
Map<String, File> keys = KeyPair.generateTemporaryFiles();
int rc = command.run(null, out, null, Lists.newArrayList(
"--instance-templates", "1 noop",
"--service-name", "test-service",
"--cluster-name", "test-cluster",
"--identity", "myusername",
"--private-key-file", keys.get("private").getAbsolutePath())
);
assertThat(rc, is(0));
assertThat(outBytes.toString(), is(
"id1\timage-id\t127.0.0.1\t127.0.0.1\tRUNNING\tlocation-id1\trole1\n" +
"id2\timage-id\t127.0.0.2\t127.0.0.2\tRUNNING\tlocation-id2\trole2\n"));
verify(factory).create("test-service");
}
private Cluster createTestCluster(String[] ids, String[] roles) {
checkArgument(ids.length == roles.length, "each ID should have a role");
Credentials credentials = new Credentials("dummy", "dummy");
Set<Cluster.Instance> instances = Sets.newHashSet();
for(int i = 0; i < ids.length; i++) {
String ip = "127.0.0." + (i + 1);
instances.add(new Cluster.Instance(credentials,
Sets.newHashSet(roles[i]), ip, ip, ids[i], null));
}
return new Cluster(instances);
}
}