Example usage for org.apache.cassandra.gms EndpointState isAlive

List of usage examples for org.apache.cassandra.gms EndpointState isAlive

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Introduction

In this page you can find the example usage for org.apache.cassandra.gms EndpointState isAlive.

Prototype

boolean isAlive

To view the source code for org.apache.cassandra.gms EndpointState isAlive.

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Usage

From source file:org.elassandra.discovery.CassandraDiscovery.java

License:Apache License

@Override
protected void doStart() {

    synchronized (clusterGroup) {
        logger.debug("Connected to cluster [{}]", clusterName.value());
        // initialize cluster from cassandra system.peers 
        // WARNING: system.peers may be incomplete because commitlogs not yet applied
        for (UntypedResultSet.Row row : executeInternal(
                "SELECT peer, data_center, rack, rpc_address, host_id from system." + SystemKeyspace.PEERS)) {
            InetAddress peer = row.getInetAddress("peer");
            InetAddress rpc_address = row.getInetAddress("rpc_address");
            String datacenter = row.getString("data_center");
            if ((!peer.equals(localAddress)) && (localDc.equals(datacenter))) {
                Map<String, String> attrs = Maps.newHashMap();
                attrs.put("data", "true");
                attrs.put("master", "true");
                attrs.put("data_center", datacenter);
                attrs.put("rack", row.getString("rack"));

                DiscoveryNode dn = new DiscoveryNode(buildNodeName(peer), row.getUUID("host_id").toString(),
                        new InetSocketTransportAddress(rpc_address, publishPort()), attrs, version);
                EndpointState endpointState = Gossiper.instance.getEndpointStateForEndpoint(peer);
                if (endpointState == null) {
                    dn.status(DiscoveryNodeStatus.UNKNOWN);
                } else {
                    dn.status((endpointState.isAlive()) ? DiscoveryNodeStatus.ALIVE : DiscoveryNodeStatus.DEAD);
                }//  w  w w. ja va2 s.  c o  m
                clusterGroup.put(dn.getId(), dn);
                logger.debug("  node internal_ip={} host_id={} node_name={} ", NetworkAddress.format(peer),
                        dn.getId(), dn.getName());
            }
        }

        Gossiper.instance.register(this);
        updateClusterGroupsFromGossiper();
        updateRoutingTable("starting-cassandra-discovery");
    }
}

From source file:org.elassandra.discovery.CassandraDiscovery.java

License:Apache License

public void updateNode(InetAddress addr, EndpointState state) {
    if (DatabaseDescriptor.getEndpointSnitch().getDatacenter(addr).equals(localDc)) {
        DiscoveryNodeStatus status = (state.isAlive()) ? DiscoveryNode.DiscoveryNodeStatus.ALIVE
                : DiscoveryNode.DiscoveryNodeStatus.DEAD;
        boolean updatedNode = false;
        String hostId = state.getApplicationState(ApplicationState.HOST_ID).value;
        DiscoveryNode dn = clusterGroup.get(hostId);
        if (dn == null) {
            Map<String, String> attrs = Maps.newHashMap();
            attrs.put("data", "true");
            attrs.put("master", "true");
            attrs.put("data_center", localDc);
            attrs.put("rack", DatabaseDescriptor.getEndpointSnitch().getRack(addr));

            InetAddress rpc_address = com.google.common.net.InetAddresses
                    .forString(state.getApplicationState(ApplicationState.RPC_ADDRESS).value);
            dn = new DiscoveryNode(buildNodeName(addr), hostId.toString(),
                    new InetSocketTransportAddress(rpc_address, publishPort()), attrs, version);
            dn.status(status);/*from  ww w  . jav  a  2  s .  c om*/
            logger.debug(
                    "New node soure=updateNode internal_ip={} rpc_address={}, node_name={} host_id={} status={} timestamp={}",
                    NetworkAddress.format(addr), NetworkAddress.format(rpc_address), dn.getId(), dn.getName(),
                    status, state.getUpdateTimestamp());
            clusterGroup.members.put(dn.getId(), dn);
            if (state.getApplicationState(ApplicationState.X1) != null
                    || state.getApplicationState(ApplicationState.X2) != null) {
                SystemKeyspace.updatePeerInfo(addr, "workload", "elasticsearch");
            }
            updatedNode = true;
        } else {
            // may update DiscoveryNode status.
            if (!dn.getStatus().equals(status)) {
                dn.status(status);
                updatedNode = true;
            }
        }
        if (updatedNode)
            updateRoutingTable("update-node-" + NetworkAddress.format(addr));
    }
}

From source file:org.elassandra.discovery.CassandraDiscovery.java

License:Apache License

@Override
public void onAlive(InetAddress arg0, EndpointState arg1) {
    logger.debug("onAlive Endpoint={} ApplicationState={} isAlive={} => update node + connecting", arg0, arg1,
            arg1.isAlive());
    updateNode(arg0, arg1);//from  w w  w .  j av  a  2  s  .  c om
    connectToNode(arg0);
}

From source file:org.elassandra.discovery.CassandraDiscovery.java

License:Apache License

@Override
public void onDead(InetAddress arg0, EndpointState arg1) {
    logger.debug("onDead Endpoint={}  ApplicationState={} isAlive={} => update node + disconnecting", arg0,
            arg1, arg1.isAlive());
    updateNode(arg0, arg1);//from   w  ww .  j ava 2 s  .c  o m
    //disconnectFromNode(arg0);
}

From source file:org.elassandra.discovery.CassandraDiscovery.java

License:Apache License

@Override
public Map<UUID, ShardRoutingState> getShardRoutingStates(String index) {
    Map<UUID, ShardRoutingState> shardsStates = new HashMap<UUID, ShardRoutingState>(
            this.clusterGroup.members.size());
    for (Entry<InetAddress, EndpointState> entry : Gossiper.instance.getEndpointStates()) {
        InetAddress endpoint = entry.getKey();
        EndpointState state = entry.getValue();
        if (!endpoint.equals(this.localAddress)
                && DatabaseDescriptor.getEndpointSnitch().getDatacenter(endpoint).equals(this.localDc)
                && state != null && state.isAlive()) {
            VersionedValue value = state.getApplicationState(ELASTIC_SHARDS_STATES);
            if (value != null) {
                try {
                    Map<String, ShardRoutingState> shardsStateMap = jsonMapper.readValue(value.value,
                            indexShardStateTypeReference);
                    ShardRoutingState shardState = shardsStateMap.get(index);
                    if (shardState != null) {
                        shardsStates.put(Gossiper.instance.getHostId(endpoint), shardState);
                    }//from  w  w  w  .  j a  v a 2 s .c om
                } catch (Exception e) {
                    logger.warn("Failed to parse gossip index shard state", e);
                }
            }
        }
    }
    return shardsStates;
}

From source file:org.elasticsearch.cassandra.discovery.CassandraDiscovery.java

License:Apache License

@Override
protected void doStart() {

    synchronized (clusterGroup) {
        logger.debug("Connected to cluster [{}]", clusterName.value());

        localAddress = FBUtilities.getLocalAddress();
        localDc = DatabaseDescriptor.getEndpointSnitch().getDatacenter(localAddress);

        InetSocketTransportAddress elasticAddress = (InetSocketTransportAddress) transportService.boundAddress()
                .publishAddress();// ww w .j  ava2  s . c  o m
        logger.info("Listening address Cassandra=" + localAddress + " Elastic=" + elasticAddress.toString());

        // get local node from cassandra cluster
        {
            Map<String, String> attrs = Maps.newHashMap();
            attrs.put("data", "true");
            attrs.put("master", "true");
            attrs.put("data_center", localDc);
            attrs.put("rack", DatabaseDescriptor.getEndpointSnitch().getRack(localAddress));

            String hostId = SystemKeyspace.getLocalHostId().toString();
            localNode = new DiscoveryNode(buildNodeName(localAddress), hostId,
                    transportService.boundAddress().publishAddress(), attrs, version);
            localNode.status(DiscoveryNodeStatus.ALIVE);
            this.transportService.setLocalNode(localNode); // clusterService start before DiscoveryService.
            master = true;
            clusterGroup.put(this.localNode.getId(), this.localNode);
            logger.info("localNode name={} id={}", this.localNode.getName(), this.localNode.getId());
        }

        // initialize cluster from cassandra system.peers 
        Map<InetAddress, UUID> peers = SystemKeyspace.loadHostIds();
        Map<InetAddress, Map<String, String>> endpointInfo = SystemKeyspace.loadDcRackInfo();
        for (Entry<InetAddress, UUID> entry : peers.entrySet()) {
            if ((!entry.getKey().equals(localAddress))
                    && (localDc.equals(endpointInfo.get(entry.getKey()).get("data_center")))) {
                Map<String, String> attrs = Maps.newHashMap();
                attrs.put("data", "true");
                attrs.put("master", "true");
                attrs.putAll(endpointInfo.get(entry.getKey()));
                DiscoveryNode dn = new DiscoveryNode(buildNodeName(entry.getKey()), entry.getValue().toString(),
                        new InetSocketTransportAddress(entry.getKey(),
                                settings.getAsInt("transport.tcp.port", 9300)),
                        attrs, version);
                EndpointState endpointState = Gossiper.instance.getEndpointStateForEndpoint(entry.getKey());
                if (endpointState == null) {
                    dn.status(DiscoveryNodeStatus.UNKNOWN);
                } else {
                    dn.status((endpointState.isAlive()) ? DiscoveryNodeStatus.ALIVE : DiscoveryNodeStatus.DEAD);
                }
                clusterGroup.put(dn.getId(), dn);
                logger.debug("remanent node addr_ip={} node_name={} host_id={} ", entry.getKey().toString(),
                        dn.getId(), dn.getName());
            }
        }

        Gossiper.instance.register(this);
        updateClusterGroupsFromGossiper();
        updateClusterState("starting-cassandra-discovery", null);
    }
}

From source file:org.elasticsearch.cassandra.discovery.CassandraDiscovery.java

License:Apache License

public void updateNode(InetAddress addr, EndpointState state) {

    DiscoveryNodeStatus status = (state.isAlive()) ? DiscoveryNode.DiscoveryNodeStatus.ALIVE
            : DiscoveryNode.DiscoveryNodeStatus.DEAD;
    boolean updatedNode = false;
    if (DatabaseDescriptor.getEndpointSnitch().getDatacenter(addr).equals(localDc)) {
        String hostId = state.getApplicationState(ApplicationState.HOST_ID).value;
        DiscoveryNode dn = clusterGroup.get(hostId);
        if (dn == null) {
            Map<String, String> attrs = Maps.newHashMap();
            attrs.put("data", "true");
            attrs.put("master", "true");
            attrs.put("data_center", localDc);
            attrs.put("rack", DatabaseDescriptor.getEndpointSnitch().getRack(addr));

            dn = new DiscoveryNode(buildNodeName(addr), hostId.toString(),
                    new InetSocketTransportAddress(addr, settings.getAsInt("transport.tcp.port", 9300)), attrs,
                    version);//  w  w w  .  j  a v  a2s.  co m
            dn.status(status);
            logger.debug("New node soure=updateNode addr_ip={} node_name={} host_id={} status={} timestamp={}",
                    addr.getHostAddress(), dn.getId(), dn.getName(), status, state.getUpdateTimestamp());
            clusterGroup.members.put(dn.getId(), dn);
            updatedNode = true;
        } else {
            // may update DiscoveryNode status.
            if (!dn.getStatus().equals(status)) {
                dn.status(status);
                updatedNode = true;
            }
        }
    }
    if (updatedNode)
        updateClusterState("update-node-" + addr.getHostAddress(), null);
}

From source file:org.elasticsearch.cassandra.discovery.CassandraDiscovery.java

License:Apache License

@Override
public void onAlive(InetAddress arg0, EndpointState arg1) {
    logger.debug("onAlive Endpoint={} ApplicationState={} isAlive={} => update node", arg0, arg1,
            arg1.isAlive());
    updateNode(arg0, arg1);//from w w  w . j  a va 2  s . c  o m
}

From source file:org.elasticsearch.cassandra.discovery.CassandraDiscovery.java

License:Apache License

@Override
public void onDead(InetAddress arg0, EndpointState arg1) {
    logger.debug("onDead Endpoint={}  ApplicationState={} isAlive={} => update node", arg0, arg1,
            arg1.isAlive());
    updateNode(arg0, arg1);//  w w w  . j  av a 2s.  c o m
}