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YARN-905. Add state filters to nodes CLI (Wei Yan via Sandy Ryza) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517083 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sanford Ryza 2013-08-23 22:46:08 +00:00
parent f1638fdf94
commit d912eea822
3 changed files with 264 additions and 21 deletions
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2
hadoop-yarn-project/CHANGES.txt
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@ -23,6 +23,8 @@ Release 2.3.0 - UNRELEASED
IMPROVEMENTS
YARN-905. Add state filters to nodes CLI (Wei Yan via Sandy Ryza)
OPTIMIZATIONS
BUG FIXES

49
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeCLI.java
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@ -21,11 +21,14 @@ import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.lang.time.DateFormatUtils;
import org.apache.hadoop.classification.InterfaceAudience.Private;
@ -40,9 +43,12 @@ import org.apache.hadoop.yarn.util.ConverterUtils;
@Private
@Unstable
public class NodeCLI extends YarnCLI {
private static final String NODES_PATTERN = "%16s\t%10s\t%17s\t%18s" +
private static final String NODES_PATTERN = "%16s\t%15s\t%17s\t%18s" +
System.getProperty("line.separator");
private static final String NODE_STATE_CMD = "states";
private static final String NODE_ALL = "all";
public static void main(String[] args) throws Exception {
NodeCLI cli = new NodeCLI();
cli.setSysOutPrintStream(System.out);
@ -57,7 +63,18 @@ public class NodeCLI extends YarnCLI {
Options opts = new Options();
opts.addOption(STATUS_CMD, true, "Prints the status report of the node.");
opts.addOption(LIST_CMD, false, "Lists all the nodes in the RUNNING state.");
opts.addOption(LIST_CMD, false, "List all running nodes. " +
"Supports optional use of --states to filter nodes " +
"based on node state, all --all to list all nodes.");
Option nodeStateOpt = new Option(NODE_STATE_CMD, true,
"Works with -list to filter nodes based on their states.");
nodeStateOpt.setValueSeparator(',');
nodeStateOpt.setArgs(Option.UNLIMITED_VALUES);
nodeStateOpt.setArgName("Comma-separated list of node states");
opts.addOption(nodeStateOpt);
Option allOpt = new Option(NODE_ALL, false,
"Works with -list to list all nodes.");
opts.addOption(allOpt);
CommandLine cliParser = new GnuParser().parse(opts, args);
int exitCode = -1;
@ -68,7 +85,24 @@ public class NodeCLI extends YarnCLI {
}
printNodeStatus(cliParser.getOptionValue("status"));
} else if (cliParser.hasOption("list")) {
listClusterNodes();
Set<NodeState> nodeStates = new HashSet<NodeState>();
if (cliParser.hasOption(NODE_ALL)) {
for (NodeState state : NodeState.values()) {
nodeStates.add(state);
}
} else if (cliParser.hasOption(NODE_STATE_CMD)) {
String[] types = cliParser.getOptionValues(NODE_STATE_CMD);
if (types != null) {
for (String type : types) {
if (!type.trim().isEmpty()) {
nodeStates.add(NodeState.valueOf(type.trim().toUpperCase()));
}
}
}
} else {
nodeStates.add(NodeState.RUNNING);
}
listClusterNodes(nodeStates);
} else {
syserr.println("Invalid Command Usage : ");
printUsage(opts);
@ -86,14 +120,17 @@ public class NodeCLI extends YarnCLI {
}
/**
* Lists all the nodes present in the cluster
* Lists the nodes matching the given node states
*
* @param nodeStates
* @throws YarnException
* @throws IOException
*/
private void listClusterNodes() throws YarnException, IOException {
private void listClusterNodes(Set<NodeState> nodeStates)
throws YarnException, IOException {
PrintWriter writer = new PrintWriter(sysout);
List<NodeReport> nodesReport = client.getNodeReports(NodeState.RUNNING);
List<NodeReport> nodesReport = client.getNodeReports(
nodeStates.toArray(new NodeState[0]));
writer.println("Total Nodes:" + nodesReport.size());
writer.printf(NODES_PATTERN, "Node-Id", "Node-State", "Node-Http-Address",
"Running-Containers");

234
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java
View File

@ -363,36 +363,239 @@ public class TestYarnCLI {
@Test
public void testListClusterNodes() throws Exception {
List<NodeReport> nodeReports = new ArrayList<NodeReport>();
nodeReports.addAll(getNodeReports(1, NodeState.NEW));
nodeReports.addAll(getNodeReports(2, NodeState.RUNNING));
nodeReports.addAll(getNodeReports(1, NodeState.UNHEALTHY));
nodeReports.addAll(getNodeReports(1, NodeState.DECOMMISSIONED));
nodeReports.addAll(getNodeReports(1, NodeState.REBOOTED));
nodeReports.addAll(getNodeReports(1, NodeState.LOST));
NodeCLI cli = new NodeCLI();
when(client.getNodeReports(NodeState.RUNNING)).thenReturn(
getNodeReports(3));
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
int result = cli.run(new String[] { "-list" });
Set<NodeState> nodeStates = new HashSet<NodeState>();
nodeStates.add(NodeState.NEW);
NodeState[] states = nodeStates.toArray(new NodeState[0]);
when(client.getNodeReports(states))
.thenReturn(getNodeReports(nodeReports, nodeStates));
int result = cli.run(new String[] { "-list", "--states", "NEW" });
assertEquals(0, result);
verify(client).getNodeReports(NodeState.RUNNING);
verify(client).getNodeReports(states);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter(baos);
pw.println("Total Nodes:3");
pw.print(" Node-Id\tNode-State\tNode-Http-Address\t");
pw.println("Total Nodes:1");
pw.print(" Node-Id\t Node-State\tNode-Http-Address\t");
pw.println("Running-Containers");
pw.print(" host0:0\t RUNNING\t host1:8888");
pw.println("\t 0");
pw.print(" host1:0\t RUNNING\t host1:8888");
pw.println("\t 0");
pw.print(" host2:0\t RUNNING\t host1:8888");
pw.print(" host0:0\t NEW\t host1:8888");
pw.println("\t 0");
pw.close();
String nodesReportStr = baos.toString("UTF-8");
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(1)).write(any(byte[].class), anyInt(), anyInt());
sysOutStream.reset();
nodeStates.clear();
nodeStates.add(NodeState.RUNNING);
states = nodeStates.toArray(new NodeState[0]);
when(client.getNodeReports(states))
.thenReturn(getNodeReports(nodeReports, nodeStates));
result = cli.run(new String[] { "-list", "--states", "RUNNING" });
assertEquals(0, result);
verify(client).getNodeReports(states);
baos = new ByteArrayOutputStream();
pw = new PrintWriter(baos);
pw.println("Total Nodes:2");
pw.print(" Node-Id\t Node-State\tNode-Http-Address\t");
pw.println("Running-Containers");
pw.print(" host0:0\t RUNNING\t host1:8888");
pw.println("\t 0");
pw.print(" host1:0\t RUNNING\t host1:8888");
pw.println("\t 0");
pw.close();
nodesReportStr = baos.toString("UTF-8");
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(2)).write(any(byte[].class), anyInt(), anyInt());
sysOutStream.reset();
result = cli.run(new String[] { "-list" });
assertEquals(0, result);
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(3)).write(any(byte[].class), anyInt(), anyInt());
sysOutStream.reset();
nodeStates.clear();
nodeStates.add(NodeState.UNHEALTHY);
states = nodeStates.toArray(new NodeState[0]);
when(client.getNodeReports(states))
.thenReturn(getNodeReports(nodeReports, nodeStates));
result = cli.run(new String[] { "-list", "--states", "UNHEALTHY" });
assertEquals(0, result);
verify(client).getNodeReports(states);
baos = new ByteArrayOutputStream();
pw = new PrintWriter(baos);
pw.println("Total Nodes:1");
pw.print(" Node-Id\t Node-State\tNode-Http-Address\t");
pw.println("Running-Containers");
pw.print(" host0:0\t UNHEALTHY\t host1:8888");
pw.println("\t 0");
pw.close();
nodesReportStr = baos.toString("UTF-8");
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(4)).write(any(byte[].class), anyInt(), anyInt());
sysOutStream.reset();
nodeStates.clear();
nodeStates.add(NodeState.DECOMMISSIONED);
states = nodeStates.toArray(new NodeState[0]);
when(client.getNodeReports(states))
.thenReturn(getNodeReports(nodeReports, nodeStates));
result = cli.run(new String[] { "-list", "--states", "DECOMMISSIONED" });
assertEquals(0, result);
verify(client).getNodeReports(states);
baos = new ByteArrayOutputStream();
pw = new PrintWriter(baos);
pw.println("Total Nodes:1");
pw.print(" Node-Id\t Node-State\tNode-Http-Address\t");
pw.println("Running-Containers");
pw.print(" host0:0\t DECOMMISSIONED\t host1:8888");
pw.println("\t 0");
pw.close();
nodesReportStr = baos.toString("UTF-8");
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(5)).write(any(byte[].class), anyInt(), anyInt());
sysOutStream.reset();
nodeStates.clear();
nodeStates.add(NodeState.REBOOTED);
states = nodeStates.toArray(new NodeState[0]);
when(client.getNodeReports(states))
.thenReturn(getNodeReports(nodeReports, nodeStates));
result = cli.run(new String[] { "-list", "--states", "REBOOTED" });
assertEquals(0, result);
verify(client).getNodeReports(states);
baos = new ByteArrayOutputStream();
pw = new PrintWriter(baos);
pw.println("Total Nodes:1");
pw.print(" Node-Id\t Node-State\tNode-Http-Address\t");
pw.println("Running-Containers");
pw.print(" host0:0\t REBOOTED\t host1:8888");
pw.println("\t 0");
pw.close();
nodesReportStr = baos.toString("UTF-8");
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(6)).write(any(byte[].class), anyInt(), anyInt());
sysOutStream.reset();
nodeStates.clear();
nodeStates.add(NodeState.LOST);
states = nodeStates.toArray(new NodeState[0]);
when(client.getNodeReports(states))
.thenReturn(getNodeReports(nodeReports, nodeStates));
result = cli.run(new String[] { "-list", "--states", "LOST" });
assertEquals(0, result);
verify(client).getNodeReports(states);
baos = new ByteArrayOutputStream();
pw = new PrintWriter(baos);
pw.println("Total Nodes:1");
pw.print(" Node-Id\t Node-State\tNode-Http-Address\t");
pw.println("Running-Containers");
pw.print(" host0:0\t LOST\t host1:8888");
pw.println("\t 0");
pw.close();
nodesReportStr = baos.toString("UTF-8");
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(7)).write(any(byte[].class), anyInt(), anyInt());
sysOutStream.reset();
nodeStates.clear();
nodeStates.add(NodeState.NEW);
nodeStates.add(NodeState.RUNNING);
nodeStates.add(NodeState.LOST);
nodeStates.add(NodeState.REBOOTED);
states = nodeStates.toArray(new NodeState[0]);
when(client.getNodeReports(states))
.thenReturn(getNodeReports(nodeReports, nodeStates));
result = cli.run(new String[] { "-list", "--states",
"NEW,RUNNING,LOST,REBOOTED" });
assertEquals(0, result);
verify(client).getNodeReports(states);
baos = new ByteArrayOutputStream();
pw = new PrintWriter(baos);
pw.println("Total Nodes:5");
pw.print(" Node-Id\t Node-State\tNode-Http-Address\t");
pw.println("Running-Containers");
pw.print(" host0:0\t NEW\t host1:8888");
pw.println("\t 0");
pw.print(" host0:0\t RUNNING\t host1:8888");
pw.println("\t 0");
pw.print(" host1:0\t RUNNING\t host1:8888");
pw.println("\t 0");
pw.print(" host0:0\t REBOOTED\t host1:8888");
pw.println("\t 0");
pw.print(" host0:0\t LOST\t host1:8888");
pw.println("\t 0");
pw.close();
nodesReportStr = baos.toString("UTF-8");
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(8)).write(any(byte[].class), anyInt(), anyInt());
sysOutStream.reset();
nodeStates.clear();
for (NodeState s : NodeState.values()) {
nodeStates.add(s);
}
states = nodeStates.toArray(new NodeState[0]);
when(client.getNodeReports(states))
.thenReturn(getNodeReports(nodeReports, nodeStates));
result = cli.run(new String[] { "-list", "--all" });
assertEquals(0, result);
verify(client).getNodeReports(states);
baos = new ByteArrayOutputStream();
pw = new PrintWriter(baos);
pw.println("Total Nodes:7");
pw.print(" Node-Id\t Node-State\tNode-Http-Address\t");
pw.println("Running-Containers");
pw.print(" host0:0\t NEW\t host1:8888");
pw.println("\t 0");
pw.print(" host0:0\t RUNNING\t host1:8888");
pw.println("\t 0");
pw.print(" host1:0\t RUNNING\t host1:8888");
pw.println("\t 0");
pw.print(" host0:0\t UNHEALTHY\t host1:8888");
pw.println("\t 0");
pw.print(" host0:0\t DECOMMISSIONED\t host1:8888");
pw.println("\t 0");
pw.print(" host0:0\t REBOOTED\t host1:8888");
pw.println("\t 0");
pw.print(" host0:0\t LOST\t host1:8888");
pw.println("\t 0");
pw.close();
nodesReportStr = baos.toString("UTF-8");
Assert.assertEquals(nodesReportStr, sysOutStream.toString());
verify(sysOut, times(9)).write(any(byte[].class), anyInt(), anyInt());
}
private List<NodeReport> getNodeReports(
List<NodeReport> nodeReports,
Set<NodeState> nodeStates) {
List<NodeReport> reports = new ArrayList<NodeReport>();
for (NodeReport nodeReport : nodeReports) {
if (nodeStates.contains(nodeReport.getNodeState())) {
reports.add(nodeReport);
}
}
return reports;
}
@Test
public void testNodeStatus() throws Exception {
NodeId nodeId = NodeId.newInstance("host0", 0);
NodeCLI cli = new NodeCLI();
when(client.getNodeReports()).thenReturn(getNodeReports(3));
when(client.getNodeReports()).thenReturn(
getNodeReports(3, NodeState.RUNNING));
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
cli.setSysErrPrintStream(sysErr);
@ -424,7 +627,8 @@ public class TestYarnCLI {
public void testAbsentNodeStatus() throws Exception {
NodeId nodeId = NodeId.newInstance("Absenthost0", 0);
NodeCLI cli = new NodeCLI();
when(client.getNodeReports()).thenReturn(getNodeReports(0));
when(client.getNodeReports()).thenReturn(
getNodeReports(0, NodeState.RUNNING));
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
cli.setSysErrPrintStream(sysErr);
@ -452,12 +656,12 @@ public class TestYarnCLI {
verify(sysErr).println("Invalid Command Usage : ");
}
private List<NodeReport> getNodeReports(int noOfNodes) {
private List<NodeReport> getNodeReports(int noOfNodes, NodeState state) {
List<NodeReport> nodeReports = new ArrayList<NodeReport>();
for (int i = 0; i < noOfNodes; i++) {
NodeReport nodeReport = NodeReport.newInstance(NodeId
.newInstance("host" + i, 0), NodeState.RUNNING, "host" + 1 + ":8888",
.newInstance("host" + i, 0), state, "host" + 1 + ":8888",
"rack1", Records.newRecord(Resource.class), Records
.newRecord(Resource.class), 0, "", 0);
nodeReports.add(nodeReport);