Examples with QuorumServer org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer used on opensource projects

Example 21 with QuorumServer

use of org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer in project zookeeper by apache.

the class ReconfigTest method testJMXBeanAfterRoleChange.

/**
     * Tests verifies the jmx attributes of local and remote peer bean - change
     * participant to observer role
     */
@Test
public void testJMXBeanAfterRoleChange() throws Exception {
    // create 3 servers
    qu = new QuorumUtil(1);
    qu.disableJMXTest = true;
    qu.startAll();
    ZooKeeper[] zkArr = createHandles(qu);
    ZooKeeperAdmin[] zkAdminArr = createAdminHandles(qu);
    // changing a server's role / port is done by "adding" it with the same
    // id but different role / port
    List<String> joiningServers = new ArrayList<String>();
    // assert remotePeerBean.1 of ReplicatedServer_2
    int changingIndex = 1;
    int replica2 = 2;
    QuorumPeer peer2 = qu.getPeer(replica2).peer;
    QuorumServer changingQS2 = peer2.getView().get(new Long(changingIndex));
    String remotePeerBean2 = CommonNames.DOMAIN + ":name0=ReplicatedServer_id" + replica2 + ",name1=replica." + changingIndex;
    assertRemotePeerMXBeanAttributes(changingQS2, remotePeerBean2);
    // assert remotePeerBean.1 of ReplicatedServer_3
    int replica3 = 3;
    QuorumPeer peer3 = qu.getPeer(replica3).peer;
    QuorumServer changingQS3 = peer3.getView().get(new Long(changingIndex));
    String remotePeerBean3 = CommonNames.DOMAIN + ":name0=ReplicatedServer_id" + replica3 + ",name1=replica." + changingIndex;
    assertRemotePeerMXBeanAttributes(changingQS3, remotePeerBean3);
    String newRole = "observer";
    ZooKeeper zk = zkArr[changingIndex];
    ZooKeeperAdmin zkAdmin = zkAdminArr[changingIndex];
    // exactly as it is now, except for role change
    joiningServers.add("server." + changingIndex + "=127.0.0.1:" + qu.getPeer(changingIndex).peer.getQuorumAddress().getPort() + ":" + qu.getPeer(changingIndex).peer.getElectionAddress().getPort() + ":" + newRole + ";127.0.0.1:" + qu.getPeer(changingIndex).peer.getClientPort());
    reconfig(zkAdmin, joiningServers, null, null, -1);
    testNormalOperation(zkArr[changingIndex], zk);
    Assert.assertTrue(qu.getPeer(changingIndex).peer.observer != null && qu.getPeer(changingIndex).peer.follower == null && qu.getPeer(changingIndex).peer.leader == null);
    Assert.assertTrue(qu.getPeer(changingIndex).peer.getPeerState() == ServerState.OBSERVING);
    QuorumPeer qp = qu.getPeer(changingIndex).peer;
    String localPeerBeanName = CommonNames.DOMAIN + ":name0=ReplicatedServer_id" + changingIndex + ",name1=replica." + changingIndex;
    // localPeerBean.1 of ReplicatedServer_1
    assertLocalPeerMXBeanAttributes(qp, localPeerBeanName, true);
    // assert remotePeerBean.1 of ReplicatedServer_2
    changingQS2 = peer2.getView().get(new Long(changingIndex));
    assertRemotePeerMXBeanAttributes(changingQS2, remotePeerBean2);
    // assert remotePeerBean.1 of ReplicatedServer_3
    changingQS3 = peer3.getView().get(new Long(changingIndex));
    assertRemotePeerMXBeanAttributes(changingQS3, remotePeerBean3);
    closeAllHandles(zkArr, zkAdminArr);
}

Example 22 with QuorumServer

use of org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer in project zookeeper by apache.

the class ReconfigTest method testUnspecifiedClientAddress.

@Test
public void testUnspecifiedClientAddress() throws Exception {
    int[] ports = new int[3];
    for (int port : ports) {
        port = PortAssignment.unique();
    }
    String server = "server.0=localhost:" + ports[0] + ":" + ports[1] + ";" + ports[2];
    QuorumServer qs = new QuorumServer(0, server);
    Assert.assertEquals(qs.clientAddr.getHostString(), "0.0.0.0");
    Assert.assertEquals(qs.clientAddr.getPort(), ports[2]);
}

Example 23 with QuorumServer

use of org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer in project rest.li by linkedin.

the class ZKQuorum method createNewPeerData.

private void createNewPeerData(int id) {
    int clientPort = ZKTestUtil.getRandomPort();
    int quorumPort = ZKTestUtil.getRandomPort() + 1000;
    int electionPort = ZKTestUtil.getRandomPort() + 1001;
    ZKPeer zkpeer = new ZKPeer(id, ZKTestUtil.createTempDir("zkdata" + id), ZKTestUtil.createTempDir("zklog" + id), HOST, clientPort, quorumPort, electionPort);
    _peers.put(id, zkpeer);
    _peersView.put(Long.valueOf(id), new QuorumServer(id, new InetSocketAddress(HOST, quorumPort), new InetSocketAddress(HOST, electionPort), LearnerType.PARTICIPANT));
    _log.info("Created peer #" + id + " with ports:" + clientPort + "/" + quorumPort + "/" + electionPort + "  peer server addr:" + _peersView.get(Long.valueOf(id)).addr + "  peer server electionAddr:" + _peersView.get(Long.valueOf(id)).electionAddr);
}

Example 24 with QuorumServer

use of org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer in project zookeeper by apache.

the class QuorumPeerInstance method configure.

public void configure(String params) {
    if (clientAddr == null) {
        String[] parts = params.split(" ");
        // The first time we are configured, it is just to tell
        // us which machine we are
        serverId = Integer.parseInt(parts[0]);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Setting up server " + serverId);
        }
        if (parts.length > 1 && parts[1].equals("false")) {
            System.setProperty("zookeeper.leaderServes", "no");
        } else {
            System.setProperty("zookeeper.leaderServes", "yes");
        }
        // Let's grab two ports
        try {
            ServerSocket ss = new ServerSocket(0, 1, InetAddress.getLocalHost());
            clientAddr = (InetSocketAddress) ss.getLocalSocketAddress();
            ss.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            ServerSocket ss = new ServerSocket(0, 1, InetAddress.getLocalHost());
            quorumLeaderAddr = (InetSocketAddress) ss.getLocalSocketAddress();
            ss.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            ServerSocket ss = new ServerSocket(0, 1, InetAddress.getLocalHost());
            quorumLeaderElectionAddr = (InetSocketAddress) ss.getLocalSocketAddress();
            ss.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        String report = clientAddr.getHostString() + ':' + clientAddr.getPort() + ',' + quorumLeaderAddr.getHostString() + ':' + quorumLeaderAddr.getPort() + ':' + quorumLeaderElectionAddr.getPort();
        try {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Reporting " + report);
            }
            r.report(report);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return;
    } else {
        int spaceIndex = params.indexOf(' ');
        if (spaceIndex == -1) {
            LOG.warn("looking for host:port,... start|stop, but found " + params);
            return;
        }
        String quorumSpecs = params.substring(0, spaceIndex);
        String cmd = params.substring(spaceIndex + 1);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Running command: " + cmd);
        }
        if (!cmd.equals("start")) {
            if (peer != null) {
                peer.shutdown();
            }
            peer = null;
            try {
                for (int i = 0; i < 5; i++) {
                    Thread.sleep(500);
                    try {
                        // Wait until we can't connect
                        new Socket("127.0.0.1", clientAddr.getPort()).close();
                    } catch (IOException e) {
                        break;
                    }
                }
                r.report("stopped");
            } catch (Exception e) {
                LOG.error("Unhandled error", e);
            }
            return;
        }
        String[] parts = quorumSpecs.split(",");
        peers = new HashMap<Long, QuorumServer>();
        for (int i = 0; i < parts.length; i++) {
            // parts[i] == "host:leaderPort:leaderElectionPort;clientPort"
            String[] subparts = ((parts[i].split(";"))[0]).split(":");
            String clientPort = (parts[i].split(";"))[1];
            peers.put(Long.valueOf(i), new QuorumServer(i, new InetSocketAddress(subparts[0], Integer.parseInt(subparts[1])), new InetSocketAddress(subparts[0], Integer.parseInt(subparts[2])), new InetSocketAddress(subparts[0], Integer.parseInt(clientPort))));
        }
        try {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Starting quorumPeer " + serverId + " on port " + clientAddr.getPort());
            }
            if (peer != null) {
                LOG.warn("Peer " + serverId + " already started");
                return;
            }
            System.err.println("SnapDir = " + snapDir + " LogDir = " + logDir);
            peer = new QuorumPeer(peers, snapDir, logDir, clientAddr.getPort(), 0, serverId, tickTime, initLimit, syncLimit);
            peer.start();
            for (int i = 0; i < 5; i++) {
                Thread.sleep(500);
                try {
                    // Wait until we can connect
                    new Socket("127.0.0.1", clientAddr.getPort()).close();
                    break;
                } catch (IOException e) {
                }
            }
            r.report("started");
        } catch (Exception e) {
            LOG.error("Unhandled exception", e);
        }
    }
}

Example 25 with QuorumServer

use of org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer in project zookeeper by apache.

the class QuorumMaj method toString.

public String toString() {
    StringBuilder sw = new StringBuilder();
    for (QuorumServer member : getAllMembers().values()) {
        String key = "server." + member.id;
        String value = member.toString();
        sw.append(key);
        sw.append('=');
        sw.append(value);
        sw.append('\n');
    }
    String hexVersion = Long.toHexString(version);
    sw.append("version=");
    sw.append(hexVersion);
    return sw.toString();
}