Examples with GMSMembershipManager org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager used on opensource projects

Example 6 with GMSMembershipManager

use of org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager in project geode by apache.

the class ReconnectDUnitTest method testReconnectWithQuorum.

@Test
public void testReconnectWithQuorum() throws Exception {
    // quorum check fails, then succeeds
    IgnoredException.addIgnoredException("killing member's ds");
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);
    VM locatorVm = host.getVM(locatorVMNumber);
    final int locPort = locatorPort;
    final String xmlFileLoc = (new File(".")).getAbsolutePath();
    // disable disconnects in the locator so we have some stability
    host.getVM(locatorVMNumber).invoke(new SerializableRunnable("disable force-disconnect") {

        public void run() {
            GMSMembershipManager mgr = (GMSMembershipManager) MembershipManagerHelper.getMembershipManager(InternalDistributedSystem.getConnectedInstance());
            mgr.disableDisconnectOnQuorumLossForTesting();
        }
    });
    SerializableCallable create = new SerializableCallable("Create Cache and Regions from cache.xml") {

        public Object call() throws CacheException {
            // DebuggerSupport.waitForJavaDebugger(getLogWriter(), " about to create region");
            locatorPort = locPort;
            Properties props = getDistributedSystemProperties();
            props.put(CACHE_XML_FILE, xmlFileLoc + fileSeparator + "MyDisconnect-cache.xml");
            props.put(MAX_NUM_RECONNECT_TRIES, "2");
            // props.put("log-file", "autoReconnectVM"+VM.getCurrentVMNum()+"_"+getPID()+".log");
            Cache cache = new CacheFactory(props).create();
            IgnoredException.addIgnoredException("org.apache.geode.ForcedDisconnectException||Possible loss of quorum");
            Region myRegion = cache.getRegion("root/myRegion");
            ReconnectDUnitTest.savedSystem = cache.getDistributedSystem();
            myRegion.put("MyKey1", "MyValue1");
            // myRegion.put("Mykey2", "MyValue2");
            return savedSystem.getDistributedMember();
        }
    };
    System.out.println("creating caches in vm0 and vm1");
    vm0.invoke(create);
    vm1.invoke(create);
    // view is [locator(3), vm0(15), vm1(10), vm2(10)]
    /*
     * now we want to kick out the locator and observe that it reconnects using its rebooted
     * location service
     */
    System.out.println("disconnecting locator");
    forceDisconnect(locatorVm);
    waitForReconnect(locatorVm);
    // if the locator reconnected it did so with its own location
    // service since it doesn't know about any other locators
    ensureLocationServiceRunning(locatorVm);
}

Example 7 with GMSMembershipManager

use of org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager in project geode by apache.

the class ReconnectedCacheServerDUnitTest method testCacheServerConfigRetained.

@Test
public void testCacheServerConfigRetained() {
    // make sure the environment isn't polluted
    assertFalse(Boolean.getBoolean(DistributionConfig.GEMFIRE_PREFIX + "autoReconnect-useCacheXMLFile"));
    InternalCache gc = (InternalCache) this.cache;
    // fool the system into thinking cluster-config is being used
    GMSMembershipManager mgr = (GMSMembershipManager) MembershipManagerHelper.getMembershipManager(gc.getDistributedSystem());
    mgr.saveCacheXmlForReconnect(true);
    // the cache server config should now be stored in the cache's config
    assertFalse(gc.getCacheServers().isEmpty());
    assertNotNull(gc.getCacheConfig().getCacheServerCreation());
}

Example 8 with GMSMembershipManager

use of org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager in project geode by apache.

the class MembershipJUnitTest method testLocatorAndTwoServersJoinUsingDiffeHellman.

/**
   * This test ensures that secure communications are enabled.
   *
   * This test creates a locator with a colocated membership manager and then creates a second
   * manager that joins the system of the first.
   *
   * It then makes assertions about the state of the membership view, closes one of the managers and
   * makes more assertions.
   */
@Test
public void testLocatorAndTwoServersJoinUsingDiffeHellman() throws Exception {
    MembershipManager m1 = null, m2 = null;
    Locator l = null;
    int mcastPort = AvailablePortHelper.getRandomAvailableUDPPort();
    try {
        // boot up a locator
        int port = AvailablePortHelper.getRandomAvailableTCPPort();
        InetAddress localHost = SocketCreator.getLocalHost();
        Properties p = new Properties();
        p.setProperty(ConfigurationProperties.SECURITY_UDP_DHALGO, "AES:128");
        // this locator will hook itself up with the first MembershipManager
        // to be created
        l = InternalLocator.startLocator(port, new File(""), null, null, null, localHost, false, p, null);
        // create configuration objects
        Properties nonDefault = new Properties();
        nonDefault.put(DistributionConfig.DISABLE_TCP_NAME, "true");
        nonDefault.put(DistributionConfig.MCAST_PORT_NAME, String.valueOf(mcastPort));
        nonDefault.put(DistributionConfig.LOG_FILE_NAME, "");
        nonDefault.put(DistributionConfig.LOG_LEVEL_NAME, "fine");
        nonDefault.put(DistributionConfig.GROUPS_NAME, "red, blue");
        nonDefault.put(DistributionConfig.MEMBER_TIMEOUT_NAME, "2000");
        nonDefault.put(DistributionConfig.LOCATORS_NAME, localHost.getHostName() + '[' + port + ']');
        nonDefault.put(ConfigurationProperties.SECURITY_UDP_DHALGO, "AES:128");
        DistributionConfigImpl config = new DistributionConfigImpl(nonDefault);
        RemoteTransportConfig transport = new RemoteTransportConfig(config, DistributionManager.NORMAL_DM_TYPE);
        // start the first membership manager
        try {
            System.setProperty(GMSJoinLeave.BYPASS_DISCOVERY_PROPERTY, "true");
            DistributedMembershipListener listener1 = mock(DistributedMembershipListener.class);
            DMStats stats1 = mock(DMStats.class);
            System.out.println("creating 1st membership manager");
            m1 = MemberFactory.newMembershipManager(listener1, config, transport, stats1);
            m1.startEventProcessing();
        } finally {
            System.getProperties().remove(GMSJoinLeave.BYPASS_DISCOVERY_PROPERTY);
        }
        // start the second membership manager
        DistributedMembershipListener listener2 = mock(DistributedMembershipListener.class);
        DMStats stats2 = mock(DMStats.class);
        System.out.println("creating 2nd membership manager");
        m2 = MemberFactory.newMembershipManager(listener2, config, transport, stats2);
        m2.startEventProcessing();
        // we have to check the views with JoinLeave because the membership
        // manager queues new views for processing through the DM listener,
        // which is a mock object in this test
        System.out.println("waiting for views to stabilize");
        JoinLeave jl1 = ((GMSMembershipManager) m1).getServices().getJoinLeave();
        JoinLeave jl2 = ((GMSMembershipManager) m2).getServices().getJoinLeave();
        long giveUp = System.currentTimeMillis() + 15000;
        for (; ; ) {
            try {
                assertTrue("view = " + jl2.getView(), jl2.getView().size() == 2);
                assertTrue("view = " + jl1.getView(), jl1.getView().size() == 2);
                assertTrue(jl1.getView().getCreator().equals(jl2.getView().getCreator()));
                assertTrue(jl1.getView().getViewId() == jl2.getView().getViewId());
                break;
            } catch (AssertionError e) {
                if (System.currentTimeMillis() > giveUp) {
                    throw e;
                }
            }
        }
        System.out.println("testing multicast availability");
        assertTrue(m1.testMulticast());
        System.out.println("multicasting SerialAckedMessage from m1 to m2");
        SerialAckedMessage msg = new SerialAckedMessage();
        msg.setRecipient(m2.getLocalMember());
        msg.setMulticast(true);
        m1.send(new InternalDistributedMember[] { m2.getLocalMember() }, msg, null);
        giveUp = System.currentTimeMillis() + 5000;
        boolean verified = false;
        Throwable problem = null;
        while (giveUp > System.currentTimeMillis()) {
            try {
                verify(listener2).messageReceived(isA(SerialAckedMessage.class));
                verified = true;
                break;
            } catch (Error e) {
                problem = e;
                Thread.sleep(500);
            }
        }
        if (!verified) {
            if (problem != null) {
                problem.printStackTrace();
            }
            fail("Expected a multicast message to be received");
        }
        // let the managers idle for a while and get used to each other
        Thread.sleep(4000l);
        m2.shutdown();
        assertTrue(!m2.isConnected());
        assertTrue(m1.getView().size() == 1);
    } finally {
        if (m2 != null) {
            m2.shutdown();
        }
        if (m1 != null) {
            m1.shutdown();
        }
        if (l != null) {
            l.stop();
        }
    }
}

Example 9 with GMSMembershipManager

use of org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager in project geode by apache.

the class MembershipManagerHelper method crashDistributedSystem.

public static void crashDistributedSystem(final DistributedSystem msys) {
    msys.getLogWriter().info("crashing distributed system: " + msys);
    MembershipManagerHelper.inhibitForcedDisconnectLogging(true);
    MembershipManagerHelper.beSickMember(msys);
    MembershipManagerHelper.playDead(msys);
    GMSMembershipManager mgr = ((GMSMembershipManager) getMembershipManager(msys));
    mgr.forceDisconnect("for testing");
    while (msys.isConnected()) {
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            return;
        }
    }
    MembershipManagerHelper.inhibitForcedDisconnectLogging(false);
}

Example 10 with GMSMembershipManager

use of org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager in project geode by apache.

the class DistributionManagerDUnitTest method testSurpriseMemberHandling.

/**
   * Test the handling of "surprise members" in the membership manager. Create a DistributedSystem
   * in this VM and then add a fake member to its surpriseMember set. Then ensure that it stays in
   * the set when a new membership view arrives that doesn't contain it. Then wait until the member
   * should be gone and force more view processing to have it scrubbed from the set.
   **/
@Test
public void testSurpriseMemberHandling() throws Exception {
    System.setProperty(DistributionConfig.GEMFIRE_PREFIX + "surprise-member-timeout", "3000");
    InternalDistributedSystem sys = getSystem();
    MembershipManager mgr = MembershipManagerHelper.getMembershipManager(sys);
    assertTrue(((GMSMembershipManager) mgr).isCleanupTimerStarted());
    try {
        InternalDistributedMember mbr = new InternalDistributedMember(NetworkUtils.getIPLiteral(), 12345);
        // first make sure we can't add this as a surprise member (bug #44566)
        // if the view number isn't being recorded correctly the test will pass but the
        // functionality is broken
        Assert.assertTrue("expected view ID to be greater than zero", mgr.getView().getViewId() > 0);
        int oldViewId = mbr.getVmViewId();
        mbr.setVmViewId((int) mgr.getView().getViewId() - 1);
        org.apache.geode.test.dunit.LogWriterUtils.getLogWriter().info("current membership view is " + mgr.getView());
        org.apache.geode.test.dunit.LogWriterUtils.getLogWriter().info("created ID " + mbr + " with view ID " + mbr.getVmViewId());
        IgnoredException.addIgnoredException("attempt to add old member");
        IgnoredException.addIgnoredException("Removing shunned GemFire node");
        boolean accepted = mgr.addSurpriseMember(mbr);
        Assert.assertTrue("member with old ID was not rejected (bug #44566)", !accepted);
        mbr.setVmViewId(oldViewId);
        // now forcibly add it as a surprise member and show that it is reaped
        long gracePeriod = 5000;
        long startTime = System.currentTimeMillis();
        long timeout = ((GMSMembershipManager) mgr).getSurpriseMemberTimeout();
        long birthTime = startTime - timeout + gracePeriod;
        MembershipManagerHelper.addSurpriseMember(sys, mbr, birthTime);
        assertTrue("Member was not a surprise member", mgr.isSurpriseMember(mbr));
        // if (birthTime < (System.currentTimeMillis() - timeout)) {
        // return; // machine is too busy and we didn't get enough CPU to perform more assertions
        // }
        Awaitility.await("waiting for member to be removed").atMost((timeout / 3) + gracePeriod, TimeUnit.MILLISECONDS).until(() -> !mgr.isSurpriseMember(mbr));
    } finally {
        if (sys != null && sys.isConnected()) {
            sys.disconnect();
        }
    }
}