8023093: Add ManagementAgent.status diagnostic command

Reviewed-by: sla
This commit is contained in:
Jaroslav Bachorik 2015-03-25 18:33:17 +01:00
parent eecde5f24c
commit ca198f7351
7 changed files with 643 additions and 218 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -34,6 +34,7 @@ import java.lang.management.ManagementFactory;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.net.UnknownHostException;
import java.text.MessageFormat;
import java.util.MissingResourceException;
@ -55,6 +56,125 @@ import sun.misc.VMSupport;
* system class loader. Also jmx framework could be started by jcmd
*/
public class Agent {
/**
* Agent status collector strategy class
*/
private static abstract class StatusCollector {
final protected StringBuilder sb = new StringBuilder();
final public String collect() {
Properties agentProps = VMSupport.getAgentProperties();
String localConnAddr = (String)agentProps.get(LOCAL_CONNECTOR_ADDRESS_PROP);
if (localConnAddr != null || jmxServer != null) {
addAgentStatus(true);
appendConnections(localConnAddr);
} else {
addAgentStatus(false);
}
return sb.toString();
}
private void appendConnections(String localConnAddr) {
appendConnectionsHeader();
if (localConnAddr != null) {
try {
JMXServiceURL u = new JMXServiceURL(localConnAddr);
addConnection(false, u);
} catch (MalformedURLException e) {
// will never happen
}
}
if (jmxServer != null) {
addConnection(true, jmxServer.getAddress());
}
appendConnectionsFooter();
}
private void addConnection(boolean remote, JMXServiceURL u) {
appendConnectionHeader(remote);
addConnectionDetails(u);
if (remote) {
addConfigProperties();
}
appendConnectionFooter(remote);
}
private void addConfigProperties() {
appendConfigPropsHeader();
boolean[] first = new boolean[] {true};
configProps.entrySet().stream().forEach((e) -> {
String key = (String)e.getKey();
if (key.startsWith("com.sun.management.")) {
addConfigProp(key, e.getValue(), first[0]);
first[0] = false;
}
});
appendConfigPropsFooter();
}
abstract protected void addAgentStatus(boolean enabled);
abstract protected void appendConnectionsHeader();
abstract protected void appendConnectionsFooter();
abstract protected void addConnectionDetails(JMXServiceURL u);
abstract protected void appendConnectionHeader(boolean remote);
abstract protected void appendConnectionFooter(boolean remote);
abstract protected void appendConfigPropsHeader();
abstract protected void appendConfigPropsFooter();
abstract protected void addConfigProp(String key, Object value, boolean first);
}
/**
* Free-text status collector strategy implementation
*/
final private static class TextStatusCollector extends StatusCollector {
@Override
protected void addAgentStatus(boolean enabled) {
sb.append("Agent: ").append(enabled ? "enabled" : "disabled").append('\n');
}
@Override
protected void appendConnectionsHeader() {
sb.append('\n');
}
@Override
protected void addConnectionDetails(JMXServiceURL u) {
sb.append("Protocol : ").append(u.getProtocol()).append('\n')
.append("Host : ").append(u.getHost()).append('\n')
.append("URL : ").append(u).append('\n');
}
@Override
protected void appendConnectionHeader(boolean remote) {
sb.append("Connection Type: ").append(remote ? "remote" : "local").append('\n');
}
@Override
protected void appendConfigPropsHeader() {
sb.append("Properties :\n");
}
@Override
protected void addConfigProp(String key, Object value, boolean first) {
if (!first) {
sb.append('\n');
}
sb.append(" ").append(key).append(" = ").append(value);
}
@Override
protected void appendConnectionsFooter() {}
@Override
protected void appendConnectionFooter(boolean remote) {
sb.append('\n');
}
@Override
protected void appendConfigPropsFooter() {}
}
// management properties
private static Properties mgmtProps;
@ -81,6 +201,8 @@ public class Agent {
// The only active agent allowed
private static JMXConnectorServer jmxServer = null;
// The properties used to configure the server
private static Properties configProps = null;
// Parse string com.sun.management.prop=xxx,com.sun.management.prop=yyyy
// and return property set if args is null or empty
@ -161,7 +283,7 @@ public class Agent {
try {
Properties argProps = parseString(args);
Properties configProps = new Properties();
configProps = new Properties();
// Load the management properties from the config file
// if config file is not specified readConfiguration implicitly
@ -228,9 +350,14 @@ public class Agent {
// Don't cause any errors.
jmxServer.stop();
jmxServer = null;
configProps = null;
}
}
private static synchronized String getManagementAgentStatus() throws Exception {
return new TextStatusCollector().collect();
}
private static void startAgent(Properties props) throws Exception {
String snmpPort = props.getProperty(SNMP_PORT);
String jmxremote = props.getProperty(JMXREMOTE);

View File

@ -35,20 +35,16 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import javax.management.*;
import javax.management.remote.*;
import javax.net.ssl.SSLHandshakeException;
import jdk.testlibrary.ProcessTools;
import jdk.testlibrary.JDKToolLauncher;
import sun.management.Agent;
import sun.management.AgentConfigurationError;
@ -56,45 +52,19 @@ import sun.management.AgentConfigurationError;
* @test
* @bug 7110104
* @library /lib/testlibrary
* @build jdk.testlibrary.* JMXStartStopTest JMXStartStopDoSomething
* @build jdk.testlibrary.* JMXStartStopTest PortAllocator TestApp ManagementAgentJcmd
* @run main/othervm/timeout=600 -XX:+UsePerfData JMXStartStopTest
* @summary Makes sure that enabling/disabling the management agent through JCMD
* achieves the desired results
*/
public class JMXStartStopTest {
private static final String TEST_APP_NAME = "TestApp";
private static final String TEST_SRC = System.getProperty("test.src");
private static final boolean verbose = false;
/**
* Dynamically allocates distinct ports from the ephemeral range 49152-65535
*/
private static class PortAllocator {
private final static int LOWER_BOUND = 49152;
private final static int UPPER_BOUND = 65535;
private final static Random RND = new Random(System.currentTimeMillis());
private static int[] allocatePorts(final int numPorts) {
int[] ports = new int[numPorts];
for (int i = 0; i < numPorts; i++) {
int port = -1;
while (port == -1) {
port = RND.nextInt(UPPER_BOUND - LOWER_BOUND + 1) + LOWER_BOUND;
for (int j = 0; j < i; j++) {
if (ports[j] == port) {
port = -1;
break;
}
}
}
ports[i] = port;
}
return ports;
}
}
private static ManagementAgentJcmd jcmd = new ManagementAgentJcmd(TEST_APP_NAME, verbose);
private static void dbg_print(String msg) {
if (verbose) {
@ -317,14 +287,14 @@ public class JMXStartStopTest {
}
}
private static class Something {
private static class TestAppRun {
private Process p;
private final ProcessBuilder pb;
private final String name;
private final AtomicBoolean started = new AtomicBoolean(false);
private volatile long pid = -1;
public Something(ProcessBuilder pb, String name) {
public TestAppRun(ProcessBuilder pb, String name) {
this.pb = pb;
this.name = name;
}
@ -334,7 +304,7 @@ public class JMXStartStopTest {
try {
AtomicBoolean error = new AtomicBoolean(false);
p = ProcessTools.startProcess(
"JMXStartStopDoSomething{" + name + "}",
TEST_APP_NAME + "{" + name + "}",
pb,
(line) -> {
boolean ok = line.equals("main enter");
@ -381,105 +351,31 @@ public class JMXStartStopTest {
}
/**
* Runs the test application "JMXStartStopDoSomething"
* Runs the test application "TestApp"
* @param name Test run name
* @param args Additional arguments
* @return Returns a {@linkplain Something} instance representing the run
* @return Returns a {@linkplain TestAppRun} instance representing the run
* @throws IOException
* @throws InterruptedException
* @throws TimeoutException
*/
private static Something doSomething(String name, String ... args)
private static TestAppRun doTest(String name, String ... args)
throws Exception {
List<String> pbArgs = new ArrayList<>(Arrays.asList(
"-cp",
System.getProperty("test.class.path")
));
pbArgs.addAll(Arrays.asList(args));
pbArgs.add("JMXStartStopDoSomething");
pbArgs.add(TEST_APP_NAME);
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
pbArgs.toArray(new String[pbArgs.size()])
);
Something s = new Something(pb, name);
TestAppRun s = new TestAppRun(pb, name);
s.start();
return s;
}
/**
* Run the "jcmd" command
*
* @param command Command with parameters; space separated string
* @throws IOException
* @throws InterruptedException
*/
private static void jcmd(String ... command) throws IOException, InterruptedException {
if (command.length == 0) {
jcmd(null, c->{});
} else {
jcmd(null, command);
}
}
/**
* Run the "jcmd" command
*
* @param c {@linkplain Consumer} instance
* @param command Command with parameters; space separated string
* @throws IOException
* @throws InterruptedException
*/
private static void jcmd(Consumer<String> c, String ... command) throws IOException, InterruptedException {
jcmd("JMXStartStopDoSomething", c, command);
}
/**
* Run the "jcmd" command
*
* @param target The target application name (or PID)
* @param c {@linkplain Consumer} instance
* @param command Command with parameters; space separated string
* @throws IOException
* @throws InterruptedException
*/
private static void jcmd(String target, final Consumer<String> c, String ... command) throws IOException, InterruptedException {
dbg_print("[jcmd] " + (command.length > 0 ? command[0] : "list"));
JDKToolLauncher l = JDKToolLauncher.createUsingTestJDK("jcmd");
l.addToolArg(target);
for (String cmd : command) {
l.addToolArg(cmd);
}
AtomicBoolean portUnavailable = new AtomicBoolean(false);
Process p = ProcessTools.startProcess(
"jcmd",
new ProcessBuilder(l.getCommand()),
line -> {
if (line.contains("BindException") ||
line.contains(Agent.getText(AgentConfigurationError.CONNECTOR_SERVER_IO_ERROR))) {
portUnavailable.set(true);
} else {
c.accept(line);
}
}
);
p.waitFor();
dbg_print("[jcmd] --------");
if (portUnavailable.get()) {
String cmd = Arrays.asList(l.getCommand()).stream()
.collect(
Collectors.joining(" ", "", ": Unable to bind address")
);
throw new BindException(cmd);
}
}
private static final String CMD_STOP = "ManagementAgent.stop";
private static final String CMD_START = "ManagementAgent.start";
private static final String CMD_START_LOCAL = "ManagementAgent.start_local";
static void test_01() throws Exception {
// Run an app with JMX enabled stop it and
// restart on other port
@ -487,7 +383,7 @@ public class JMXStartStopTest {
System.out.println("**** Test one ****");
int ports[] = PortAllocator.allocatePorts(2);
Something s = doSomething(
TestAppRun s = doTest(
"test_01",
"-Dcom.sun.management.jmxremote.port=" + ports[0],
"-Dcom.sun.management.jmxremote.authenticate=false",
@ -496,10 +392,10 @@ public class JMXStartStopTest {
try {
testConnect(ports[0]);
jcmd(CMD_STOP);
jcmd.stop();
testNoConnect(ports[0]);
jcmd(CMD_START, "jmxremote.port=" + ports[1]);
jcmd.start("jmxremote.port=" + ports[1]);
testConnect(ports[1]);
} finally {
s.stop();
@ -513,12 +409,13 @@ public class JMXStartStopTest {
System.out.println("**** Test two ****");
int[] ports = PortAllocator.allocatePorts(1);
Something s = doSomething("test_02");
TestAppRun s = doTest("test_02");
try {
jcmd(CMD_START,
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
testConnect(ports[0]);
} finally {
@ -534,18 +431,20 @@ public class JMXStartStopTest {
System.out.println("**** Test three ****");
int[] ports = PortAllocator.allocatePorts(2);
Something s = doSomething("test_03");
TestAppRun s = doTest("test_03");
try {
jcmd(CMD_START,
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
// Second agent shouldn't start
jcmd(CMD_START,
"jmxremote.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
"jmxremote.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
// First agent should connect
testConnect(ports[0]);
@ -564,13 +463,14 @@ public class JMXStartStopTest {
System.out.println("**** Test four ****");
int[] ports = PortAllocator.allocatePorts(2);
Something s = doSomething("test_04");
TestAppRun s = doTest("test_04");
try {
jcmd(CMD_START,
"jmxremote.port=" + ports[0],
"jmxremote.rmi.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
"jmxremote.port=" + ports[0],
"jmxremote.rmi.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
testConnect(ports[0], ports[1]);
} finally {
@ -584,9 +484,9 @@ public class JMXStartStopTest {
System.out.println("**** Test five ****");
int[] ports = PortAllocator.allocatePorts(1);
Something s = doSomething("test_05");
TestAppRun s = doTest("test_05");
try {
jcmd(CMD_START_LOCAL);
jcmd.startLocal();
testNoConnect(ports[0]);
testConnectLocal(s.getPid());
@ -604,26 +504,27 @@ public class JMXStartStopTest {
System.out.println("**** Test six ****");
int[] ports = PortAllocator.allocatePorts(2);
Something s = doSomething("test_06");
TestAppRun s = doTest("test_06");
try {
jcmd(CMD_START,
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
testConnect(ports[0], ports[1]);
final AtomicBoolean checks = new AtomicBoolean(false);
jcmd(
line -> {
if (line.contains("java.lang.RuntimeException: Invalid agent state")) {
checks.set(true);
}
},
CMD_START,
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
line -> {
if (line.contains("java.lang.RuntimeException: Invalid agent state")) {
checks.set(true);
}
},
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
if (!checks.get()) {
throw new Exception("Starting agent on port " + ports[0] + " should "
@ -643,27 +544,28 @@ public class JMXStartStopTest {
System.out.println("**** Test seven ****");
int[] ports = PortAllocator.allocatePorts(2);
Something s = doSomething("test_07");
TestAppRun s = doTest("test_07");
try {
jcmd(CMD_START,
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
testConnect(ports[0], ports[1]);
final AtomicBoolean checks = new AtomicBoolean(false);
jcmd(
line -> {
if (line.contains("java.lang.RuntimeException: Invalid agent state")) {
checks.set(true);
}
},
CMD_START,
"jmxremote.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
line -> {
if (line.contains("java.lang.RuntimeException: Invalid agent state")) {
checks.set(true);
}
},
"jmxremote.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
if (!checks.get()) {
throw new Exception("Starting agent on poprt " + ports[1] + " should "
@ -683,17 +585,18 @@ public class JMXStartStopTest {
System.out.println("**** Test eight ****");
int[] ports = PortAllocator.allocatePorts(2);
Something s = doSomething("test_08");
TestAppRun s = doTest("test_08");
try {
jcmd(CMD_START,
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false");
jcmd.start(
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
testConnect(ports[0], ports[1]);
jcmd(CMD_STOP);
jcmd(CMD_STOP);
jcmd.stop();
jcmd.stop();
} finally {
s.stop();
}
@ -706,7 +609,7 @@ public class JMXStartStopTest {
System.out.println("**** Test nine ****");
Something s = doSomething("test_09");
TestAppRun s = doTest("test_09");
try (ServerSocket ss = new ServerSocket(0)) {
int localPort = ss.getLocalPort();
@ -722,13 +625,12 @@ public class JMXStartStopTest {
final AtomicBoolean retry = new AtomicBoolean(false);
try {
jcmd(
jcmd.start(
line -> {
if (line.contains(Agent.getText(AgentConfigurationError.AGENT_EXCEPTION))) {
retry.set(true);
}
},
CMD_START,
"jmxremote.port=" + ports[0],
"jmxremote.rmi.port=" + localPort,
"jmxremote.authenticate=false",
@ -763,18 +665,17 @@ public class JMXStartStopTest {
System.out.println("**** Test ten ****");
int[] ports = PortAllocator.allocatePorts(2);
Something s = doSomething(
TestAppRun s = doTest(
"test_10",
"-Dcom.sun.management.jmxremote.authenticate=false",
"-Dcom.sun.management.jmxremote.ssl=true");
try {
testNoConnect(ports[0]);
jcmd(
CMD_START,
"jmxremote.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
jcmd.start(
"jmxremote.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
testConnect(ports[1]);
} finally {
@ -790,7 +691,7 @@ public class JMXStartStopTest {
System.out.println("**** Test eleven ****");
int[] ports = PortAllocator.allocatePorts(2);
Something s = doSomething(
TestAppRun s = doTest(
"test_11",
"-Dcom.sun.management.jmxremote.port=" + ports[0],
"-Dcom.sun.management.jmxremote.authenticate=false",
@ -799,15 +700,14 @@ public class JMXStartStopTest {
try {
testNoConnect(ports[0]);
jcmd(CMD_STOP);
jcmd.stop();
testNoConnect(ports[0]);
jcmd(
CMD_START,
"jmxremote.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
jcmd.start(
"jmxremote.port=" + ports[1],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
testConnect(ports[1]);
@ -827,7 +727,7 @@ public class JMXStartStopTest {
System.out.println("**** Test twelve ****");
int[] ports = PortAllocator.allocatePorts(2);
Something s = doSomething("test_12",
TestAppRun s = doTest("test_12",
"-Dcom.sun.management.config.file="
+ TEST_SRC + File.separator + "management_cl.properties",
"-Dcom.sun.management.jmxremote.authenticate=false"
@ -836,15 +736,15 @@ public class JMXStartStopTest {
try {
testNoConnect(ports[0]);
jcmd(CMD_STOP);
jcmd.stop();
testNoConnect(ports[0]);
jcmd(CMD_START,
"config.file=" + TEST_SRC + File.separator
+ "management_jcmd.properties",
"jmxremote.authenticate=false",
"jmxremote.port=" + ports[1]
jcmd.start(
"config.file=" + TEST_SRC + File.separator
+ "management_jcmd.properties",
"jmxremote.authenticate=false",
"jmxremote.port=" + ports[1]
);
testConnect(ports[1]);
@ -862,7 +762,7 @@ public class JMXStartStopTest {
System.out.println("**** Test thirteen ****");
int[] ports = PortAllocator.allocatePorts(1);
Something s = doSomething(
TestAppRun s = doTest(
"test_13",
"-Dcom.sun.management.jmxremote.port=" + ports[0],
"-Dcom.sun.management.jmxremote.authenticate=false",
@ -871,16 +771,16 @@ public class JMXStartStopTest {
try {
testNoConnect(ports[0]);
jcmd(CMD_STOP);
jcmd(CMD_START,
"jmxremote.ssl=false",
"jmxremote.port=" + ports[0]
jcmd.stop();
jcmd.start(
"jmxremote.ssl=false",
"jmxremote.port=" + ports[0]
);
testConnect(ports[0]);
jcmd(CMD_STOP);
jcmd(CMD_START,
"jmxremote.port=" + ports[0]
jcmd.stop();
jcmd.start(
"jmxremote.port=" + ports[0]
);
testNoConnect(ports[0]);
@ -896,14 +796,14 @@ public class JMXStartStopTest {
System.out.println("**** Test fourteen ****");
int[] ports = PortAllocator.allocatePorts(1);
Something s = doSomething(
TestAppRun s = doTest(
"test_14",
"-Dcom.sun.management.jmxremote.port=" + ports[0],
"-Dcom.sun.management.jmxremote.authenticate=false",
"-Dcom.sun.management.jmxremote.ssl=false");
try {
testConnect(ports[0]);
jcmd(CMD_STOP);
jcmd.stop();
testConnectLocal(s.getPid());
} finally {
s.stop();
@ -917,11 +817,11 @@ public class JMXStartStopTest {
System.out.println("**** Test fifteen ****");
int[] ports = PortAllocator.allocatePorts(1);
Something s = doSomething("test_15");
TestAppRun s = doTest("test_15");
try {
testNoConnect(ports[0]);
jcmd(CMD_START + "_local");
jcmd.startLocal();
testConnectLocal(s.getPid());

View File

@ -0,0 +1,149 @@
/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.net.BindException;
import java.util.function.Predicate;
import java.util.regex.Pattern;
import org.testng.annotations.*;
import static org.testng.Assert.*;
import jdk.testlibrary.ProcessTools;
/**
* @test
* @bug 8023093
* @summary Performs a sanity test for the ManagementAgent.status diagnostic command.
* Management agent may be disable, started (only local connections) and started.
* The test asserts that the expected text is being printed.
* @library /lib/testlibrary
* @build jdk.testlibrary.* PortAllocator TestApp ManagementAgentJcmd
* @run testng JMXStatusTest
*/
public class JMXStatusTest {
private final static String TEST_APP_NAME = "TestApp";
private final static Pattern DISABLE_AGENT_STATUS = Pattern.compile(
"Agent\\s*\\: disabled$"
);
private final static Pattern LOCAL_AGENT_STATUS = Pattern.compile(
"Agent\\s*\\:\\s*enabled\\n+" +
"Connection Type\\s*\\:\\s*local\\n+" +
"Protocol\\s*\\:\\s*[a-z]+\\n+" +
"Host\\s*\\:\\s*.+\\n+" +
"URL\\s*\\:\\s*service\\:jmx\\:.+",
Pattern.MULTILINE
);
private final static Pattern REMOTE_AGENT_STATUS = Pattern.compile(
"Agent\\s*\\: enabled\\n+" +
"Connection Type\\s*\\: remote\\n+" +
"Protocol\\s*\\: [a-z]+\\n+" +
"Host\\s*\\: .+\\n+" +
"URL\\s*\\: service\\:jmx\\:.+\\n+" +
"Properties\\s*\\:\\n+(\\s*\\S+\\s*=\\s*\\S+\\n*)+",
Pattern.MULTILINE
);
private static ProcessBuilder testAppPb;
private Process testApp;
private ManagementAgentJcmd jcmd;
@BeforeClass
public static void setupClass() throws Exception {
testAppPb = ProcessTools.createJavaProcessBuilder(
"-cp", System.getProperty("test.class.path"),
TEST_APP_NAME
);
}
@BeforeTest
public void setup() {
jcmd = new ManagementAgentJcmd(TEST_APP_NAME, false);
}
@BeforeMethod
public void startTestApp() throws Exception {
testApp = ProcessTools.startProcess(
TEST_APP_NAME, testAppPb,
(Predicate<String>)l->l.trim().equals("main enter")
);
}
@AfterMethod
public void stopTestApp() throws Exception {
testApp.getOutputStream().write(1);
testApp.getOutputStream().flush();
testApp.waitFor();
testApp = null;
}
@Test
public void testAgentDisabled() throws Exception {
String status = jcmd.status();
assertStatusMatches(DISABLE_AGENT_STATUS, status);
}
@Test
public void testAgentLocal() throws Exception {
jcmd.startLocal();
String status = jcmd.status();
assertStatusMatches(LOCAL_AGENT_STATUS, status);
}
@Test
public void testAgentRemote() throws Exception {
while (true) {
try {
int[] ports = PortAllocator.allocatePorts(1);
jcmd.start(
"jmxremote.port=" + ports[0],
"jmxremote.authenticate=false",
"jmxremote.ssl=false"
);
String status = jcmd.status();
assertStatusMatches(REMOTE_AGENT_STATUS, status);
return;
} catch (BindException e) {
System.out.println("Failed to allocate ports. Retrying ...");
}
}
}
private void assertStatusMatches(Pattern expected, String value) {
assertStatusMatches(expected, value, "");
}
private void assertStatusMatches(Pattern expected, String value, String msg) {
int idx = value.indexOf('\n');
if (idx > -1) {
value = value.substring(idx + 1).trim();
assertTrue(expected.matcher(value).find(), msg);
} else {
fail("The management agent status must contain more then one line of text");
}
}
}

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@ -0,0 +1,198 @@
/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import java.net.BindException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import sun.management.Agent;
import sun.management.AgentConfigurationError;
import jdk.testlibrary.JDKToolLauncher;
import jdk.testlibrary.ProcessTools;
/**
* A helper class for issuing ManagementAgent.* diagnostic commands and capturing
* their output.
*/
final class ManagementAgentJcmd {
private static final String CMD_STOP = "ManagementAgent.stop";
private static final String CMD_START = "ManagementAgent.start";
private static final String CMD_START_LOCAL = "ManagementAgent.start_local";
private static final String CMD_STATUS = "ManagementAgent.status";
private final String id;
private final boolean verbose;
public ManagementAgentJcmd(String targetApp, boolean verbose) {
this.id = targetApp;
this.verbose = verbose;
}
/**
* `jcmd`
* @return The JCMD output
* @throws IOException
* @throws InterruptedException
*/
public String list() throws IOException, InterruptedException {
return jcmd();
}
/**
* `jcmd <app> ManagementAgent.stop`
* @return The JCMD output
* @throws IOException
* @throws InterruptedException
*/
public String stop() throws IOException, InterruptedException {
return jcmd(CMD_STOP);
}
/**
* `jcmd <app> ManagementAgent.start_local`
* @return The JCMD output
* @throws IOException
* @throws InterruptedException
*/
public String startLocal() throws IOException, InterruptedException {
return jcmd(CMD_START_LOCAL);
}
/**
* `jcmd <app> ManagementAgent.start <args>`
* @return The JCMD output
* @param params The arguments to <b>ManagementAgent.start</b> command
* @throws IOException
* @throws InterruptedException
*/
public String start(String ... params) throws IOException, InterruptedException {
return start(c->{}, params);
}
/**
* `jcmd <pp> ManagementAgent.start <args>`
* @param c A string consumer used to inspect the jcmd output line-by-line
* @param params The arguments to <b>ManagementAgent.start</b> command
* @return The JCMD output
* @throws IOException
* @throws InterruptedException
*/
public String start(Consumer<String> c, String ... params) throws IOException, InterruptedException {
List<String> args = new ArrayList<>();
args.add(CMD_START);
args.addAll(Arrays.asList(params));
return jcmd(c, args.toArray(new String[args.size()]));
}
public String status() throws IOException, InterruptedException {
return jcmd(CMD_STATUS);
}
/**
* Run the "jcmd" command
*
* @param command Command + arguments
* @return The JCMD output
* @throws IOException
* @throws InterruptedException
*/
private String jcmd(String ... command) throws IOException, InterruptedException {
if (command.length == 0) {
return jcmd(null, c->{});
} else {
return jcmd(c->{}, command);
}
}
/**
* Run the "jcmd" command
*
* @param c {@linkplain Consumer} instance
* @param command Command + arguments
* @return The JCMD output
* @throws IOException
* @throws InterruptedException
*/
private String jcmd(Consumer<String> c, String ... command) throws IOException, InterruptedException {
return jcmd(id, c, command);
}
/**
* Run the "jcmd" command
*
* @param target The target application name (or PID)
* @param c {@linkplain Consumer} instance
* @param command Command + arguments
* @return The JCMD output
* @throws IOException
* @throws InterruptedException
*/
private String jcmd(String target, final Consumer<String> c, String ... command) throws IOException, InterruptedException {
dbg_print("[jcmd] " + (command.length > 0 ? command[0] : "list"));
JDKToolLauncher l = JDKToolLauncher.createUsingTestJDK("jcmd");
l.addToolArg(target);
for (String cmd : command) {
l.addToolArg(cmd);
}
StringBuilder output = new StringBuilder();
AtomicBoolean portUnavailable = new AtomicBoolean(false);
Process p = ProcessTools.startProcess(
"jcmd",
new ProcessBuilder(l.getCommand()),
line -> {
if (line.contains("BindException") ||
line.contains(Agent.getText(AgentConfigurationError.CONNECTOR_SERVER_IO_ERROR))) {
portUnavailable.set(true);
} else {
output.append(line).append('\n');
c.accept(line);
}
}
);
p.waitFor();
dbg_print("[jcmd] --------");
if (portUnavailable.get()) {
String cmd = Arrays.asList(l.getCommand()).stream()
.collect(
Collectors.joining(" ", "", ": Unable to bind address")
);
throw new BindException(cmd);
}
return output.toString();
}
private void dbg_print(String msg) {
if (verbose) {
System.out.println("DBG: " + msg);
}
}
}

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@ -0,0 +1,52 @@
/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.util.Random;
/**
* Dynamically allocates distinct ports from the ephemeral range 49152-65535
*/
class PortAllocator {
private final static int LOWER_BOUND = 49152;
private final static int UPPER_BOUND = 65535;
private final static Random RND = new Random(System.currentTimeMillis());
static int[] allocatePorts(final int numPorts) {
int[] ports = new int[numPorts];
for (int i = 0; i < numPorts; i++) {
int port = -1;
while (port == -1) {
port = RND.nextInt(UPPER_BOUND - LOWER_BOUND + 1) + LOWER_BOUND;
for (int j = 0; j < i; j++) {
if (ports[j] == port) {
port = -1;
break;
}
}
}
ports[i] = port;
}
return ports;
}
}

View File

@ -4,7 +4,7 @@
on host 1
4. run
${TESTJAVA}/bin/java -server JMXStartStopDoSomething \
${TESTJAVA}/bin/java -server TestApp \
-Dcom.sun.management.jmxremote.port=50234 \
-Dcom.sun.management.jmxremote.rmi.port=50235 \
-Dcom.sun.management.jmxremote.authenticate=false \

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -22,9 +22,8 @@
*/
import java.io.IOException;
import jdk.testlibrary.ProcessTools;
public class JMXStartStopDoSomething {
public class TestApp {
public static void doSomething() throws IOException{
int r = System.in.read();
System.out.println("read: " + r);