/**
* 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.hadoop.yarn.client.cli;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import org.apache.hadoop.yarn.api.records.NodeLabel;
import org.apache.hadoop.yarn.client.api.YarnClient;
import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
import org.junit.Before;
import org.junit.Test;
import com.google.common.collect.ImmutableSet;
public class TestClusterCLI {
ByteArrayOutputStream sysOutStream;
private PrintStream sysOut;
ByteArrayOutputStream sysErrStream;
private PrintStream sysErr;
@Before
public void setup() {
sysOutStream = new ByteArrayOutputStream();
sysOut = spy(new PrintStream(sysOutStream));
sysErrStream = new ByteArrayOutputStream();
sysErr = spy(new PrintStream(sysErrStream));
System.setOut(sysOut);
}
@Test
public void testGetClusterNodeLabels() throws Exception {
YarnClient client = mock(YarnClient.class);
when(client.getClusterNodeLabels()).thenReturn(
Arrays.asList(NodeLabel.newInstance("label1"),
NodeLabel.newInstance("label2")));
ClusterCLI cli = new ClusterCLI();
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
cli.setSysErrPrintStream(sysErr);
int rc =
cli.run(new String[] { ClusterCLI.CMD, "-" + ClusterCLI.LIST_LABELS_CMD });
assertEquals(0, rc);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter(baos);
pw.print("Node Labels: <label1:exclusivity=true>,<label2:exclusivity=true>");
pw.close();
verify(sysOut).println(baos.toString("UTF-8"));
}
@Test
public void testGetClusterNodeLabelsWithLocalAccess() throws Exception {
YarnClient client = mock(YarnClient.class);
when(client.getClusterNodeLabels()).thenReturn(
Arrays.asList(NodeLabel.newInstance("remote1"),
NodeLabel.newInstance("remote2")));
ClusterCLI cli = new ClusterCLI();
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
cli.setSysErrPrintStream(sysErr);
ClusterCLI.localNodeLabelsManager = mock(CommonNodeLabelsManager.class);
when(ClusterCLI.localNodeLabelsManager.getClusterNodeLabels()).thenReturn(
Arrays.asList(NodeLabel.newInstance("local1"),
NodeLabel.newInstance("local2")));
int rc =
cli.run(new String[] { ClusterCLI.CMD,
"-" + ClusterCLI.LIST_LABELS_CMD,
"-" + ClusterCLI.DIRECTLY_ACCESS_NODE_LABEL_STORE });
assertEquals(0, rc);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter(baos);
// it should return local* instead of remote*
pw.print("Node Labels: <local1:exclusivity=true>,<local2:exclusivity=true>");
pw.close();
verify(sysOut).println(baos.toString("UTF-8"));
}
@Test
public void testGetEmptyClusterNodeLabels() throws Exception {
YarnClient client = mock(YarnClient.class);
when(client.getClusterNodeLabels()).thenReturn(new ArrayList<NodeLabel>());
ClusterCLI cli = new ClusterCLI();
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
cli.setSysErrPrintStream(sysErr);
int rc =
cli.run(new String[] { ClusterCLI.CMD, "-" + ClusterCLI.LIST_LABELS_CMD });
assertEquals(0, rc);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter(baos);
pw.print("Node Labels: ");
pw.close();
verify(sysOut).println(baos.toString("UTF-8"));
}
@Test
public void testHelp() throws Exception {
ClusterCLI cli = new ClusterCLI();
cli.setSysOutPrintStream(sysOut);
cli.setSysErrPrintStream(sysErr);
int rc =
cli.run(new String[] { "cluster", "--help" });
assertEquals(0, rc);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter(baos);
pw.println("usage: yarn cluster");
pw.println(" -dnl,--directly-access-node-label-store This is DEPRECATED, will be");
pw.println(" removed in future releases.");
pw.println(" Directly access node label");
pw.println(" store, with this option, all");
pw.println(" node label related operations");
pw.println(" will NOT connect RM. Instead,");
pw.println(" they will access/modify stored");
pw.println(" node labels directly. By");
pw.println(" default, it is false (access");
pw.println(" via RM). AND PLEASE NOTE: if");
pw.println(" you configured");
pw.println(" yarn.node-labels.fs-store.root-");
pw.println(" dir to a local directory");
pw.println(" (instead of NFS or HDFS), this");
pw.println(" option will only work when the");
pw.println(" command run on the machine");
pw.println(" where RM is running. Also, this");
pw.println(" option is UNSTABLE, could be");
pw.println(" removed in future releases.");
pw.println(" -h,--help Displays help for all commands.");
pw.println(" -lnl,--list-node-labels List cluster node-label");
pw.println(" collection");
pw.close();
verify(sysOut).println(baos.toString("UTF-8"));
}
}