Examples with CreatePipelineCommand org.apache.hadoop.ozone.protocol.commands.CreatePipelineCommand used on opensource projects

Example 1 with CreatePipelineCommand

use of org.apache.hadoop.ozone.protocol.commands.CreatePipelineCommand in project ozone by apache.

the class TestCreatePipelineCommandHandler method testCommandIdempotency.

@Test
public void testCommandIdempotency() throws IOException {
    final List<DatanodeDetails> datanodes = getDatanodes();
    final PipelineID pipelineID = PipelineID.randomId();
    final SCMCommand<CreatePipelineCommandProto> command = new CreatePipelineCommand(pipelineID, HddsProtos.ReplicationType.RATIS, HddsProtos.ReplicationFactor.THREE, datanodes);
    final XceiverServerSpi writeChanel = Mockito.mock(XceiverServerSpi.class);
    final DatanodeStateMachine dnsm = Mockito.mock(DatanodeStateMachine.class);
    Mockito.when(stateContext.getParent()).thenReturn(dnsm);
    Mockito.when(dnsm.getDatanodeDetails()).thenReturn(datanodes.get(0));
    Mockito.when(ozoneContainer.getWriteChannel()).thenReturn(writeChanel);
    Mockito.when(writeChanel.isExist(pipelineID.getProtobuf())).thenReturn(true);
    final CreatePipelineCommandHandler commandHandler = new CreatePipelineCommandHandler(new OzoneConfiguration());
    commandHandler.handle(command, ozoneContainer, stateContext, connectionManager);
    Mockito.verify(writeChanel, Mockito.times(0)).addGroup(pipelineID.getProtobuf(), datanodes);
    Mockito.verify(raftClientGroupManager, Mockito.times(0)).add(Mockito.any(RaftGroup.class));
}

Example 2 with CreatePipelineCommand

use of org.apache.hadoop.ozone.protocol.commands.CreatePipelineCommand in project ozone by apache.

the class TestCreatePipelineCommandHandler method testPipelineCreation.

@Test
public void testPipelineCreation() throws IOException {
    final List<DatanodeDetails> datanodes = getDatanodes();
    final PipelineID pipelineID = PipelineID.randomId();
    final SCMCommand<CreatePipelineCommandProto> command = new CreatePipelineCommand(pipelineID, HddsProtos.ReplicationType.RATIS, HddsProtos.ReplicationFactor.THREE, datanodes);
    final XceiverServerSpi writeChanel = Mockito.mock(XceiverServerSpi.class);
    final DatanodeStateMachine dnsm = Mockito.mock(DatanodeStateMachine.class);
    Mockito.when(stateContext.getParent()).thenReturn(dnsm);
    Mockito.when(dnsm.getDatanodeDetails()).thenReturn(datanodes.get(0));
    Mockito.when(ozoneContainer.getWriteChannel()).thenReturn(writeChanel);
    Mockito.when(writeChanel.isExist(pipelineID.getProtobuf())).thenReturn(false);
    final CreatePipelineCommandHandler commandHandler = new CreatePipelineCommandHandler(new OzoneConfiguration());
    commandHandler.handle(command, ozoneContainer, stateContext, connectionManager);
    List<Integer> priorityList = new ArrayList<>(Collections.nCopies(datanodes.size(), 0));
    Mockito.verify(writeChanel, Mockito.times(1)).addGroup(pipelineID.getProtobuf(), datanodes, priorityList);
    Mockito.verify(raftClientGroupManager, Mockito.times(2)).add(Mockito.any(RaftGroup.class));
}

Example 3 with CreatePipelineCommand

use of org.apache.hadoop.ozone.protocol.commands.CreatePipelineCommand in project ozone by apache.

the class HeartbeatEndpointTask method processResponse.

/**
 * Add this command to command processing Queue.
 *
 * @param response - SCMHeartbeat response.
 */
private void processResponse(SCMHeartbeatResponseProto response, final DatanodeDetailsProto datanodeDetails) {
    Preconditions.checkState(response.getDatanodeUUID().equalsIgnoreCase(datanodeDetails.getUuid()), "Unexpected datanode ID in the response.");
    // Verify the response is indeed for this datanode.
    for (SCMCommandProto commandResponseProto : response.getCommandsList()) {
        switch(commandResponseProto.getCommandType()) {
            case reregisterCommand:
                if (rpcEndpoint.getState() == EndPointStates.HEARTBEAT) {
                    if (LOG.isDebugEnabled()) {
                        LOG.debug("Received SCM notification to register." + " Interrupt HEARTBEAT and transit to REGISTER state.");
                    }
                    rpcEndpoint.setState(EndPointStates.REGISTER);
                } else {
                    if (LOG.isDebugEnabled()) {
                        LOG.debug("Illegal state {} found, expecting {}.", rpcEndpoint.getState().name(), EndPointStates.HEARTBEAT);
                    }
                }
                break;
            case deleteBlocksCommand:
                DeleteBlocksCommand deleteBlocksCommand = DeleteBlocksCommand.getFromProtobuf(commandResponseProto.getDeleteBlocksCommandProto());
                if (commandResponseProto.hasTerm()) {
                    deleteBlocksCommand.setTerm(commandResponseProto.getTerm());
                }
                if (!deleteBlocksCommand.blocksTobeDeleted().isEmpty()) {
                    if (LOG.isDebugEnabled()) {
                        LOG.debug(DeletedContainerBlocksSummary.getFrom(deleteBlocksCommand.blocksTobeDeleted()).toString());
                    }
                    this.context.addCommand(deleteBlocksCommand);
                }
                break;
            case closeContainerCommand:
                CloseContainerCommand closeContainer = CloseContainerCommand.getFromProtobuf(commandResponseProto.getCloseContainerCommandProto());
                if (commandResponseProto.hasTerm()) {
                    closeContainer.setTerm(commandResponseProto.getTerm());
                }
                if (commandResponseProto.hasEncodedToken()) {
                    closeContainer.setEncodedToken(commandResponseProto.getEncodedToken());
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Received SCM container close request for container {}", closeContainer.getContainerID());
                }
                this.context.addCommand(closeContainer);
                break;
            case replicateContainerCommand:
                ReplicateContainerCommand replicateContainerCommand = ReplicateContainerCommand.getFromProtobuf(commandResponseProto.getReplicateContainerCommandProto());
                if (commandResponseProto.hasTerm()) {
                    replicateContainerCommand.setTerm(commandResponseProto.getTerm());
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Received SCM container replicate request for container {}", replicateContainerCommand.getContainerID());
                }
                this.context.addCommand(replicateContainerCommand);
                break;
            case deleteContainerCommand:
                DeleteContainerCommand deleteContainerCommand = DeleteContainerCommand.getFromProtobuf(commandResponseProto.getDeleteContainerCommandProto());
                if (commandResponseProto.hasTerm()) {
                    deleteContainerCommand.setTerm(commandResponseProto.getTerm());
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Received SCM delete container request for container {}", deleteContainerCommand.getContainerID());
                }
                this.context.addCommand(deleteContainerCommand);
                break;
            case createPipelineCommand:
                CreatePipelineCommand createPipelineCommand = CreatePipelineCommand.getFromProtobuf(commandResponseProto.getCreatePipelineCommandProto());
                if (commandResponseProto.hasTerm()) {
                    createPipelineCommand.setTerm(commandResponseProto.getTerm());
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Received SCM create pipeline request {}", createPipelineCommand.getPipelineID());
                }
                this.context.addCommand(createPipelineCommand);
                break;
            case closePipelineCommand:
                ClosePipelineCommand closePipelineCommand = ClosePipelineCommand.getFromProtobuf(commandResponseProto.getClosePipelineCommandProto());
                if (commandResponseProto.hasTerm()) {
                    closePipelineCommand.setTerm(commandResponseProto.getTerm());
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Received SCM close pipeline request {}", closePipelineCommand.getPipelineID());
                }
                this.context.addCommand(closePipelineCommand);
                break;
            case setNodeOperationalStateCommand:
                SetNodeOperationalStateCommand setNodeOperationalStateCommand = SetNodeOperationalStateCommand.getFromProtobuf(commandResponseProto.getSetNodeOperationalStateCommandProto());
                if (commandResponseProto.hasTerm()) {
                    setNodeOperationalStateCommand.setTerm(commandResponseProto.getTerm());
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Received SCM set operational state command. State: {} " + "Expiry: {}", setNodeOperationalStateCommand.getOpState(), setNodeOperationalStateCommand.getStateExpiryEpochSeconds());
                }
                this.context.addCommand(setNodeOperationalStateCommand);
                break;
            case finalizeNewLayoutVersionCommand:
                FinalizeNewLayoutVersionCommand finalizeNewLayoutVersionCommand = FinalizeNewLayoutVersionCommand.getFromProtobuf(commandResponseProto.getFinalizeNewLayoutVersionCommandProto());
                if (commandResponseProto.hasTerm()) {
                    finalizeNewLayoutVersionCommand.setTerm(commandResponseProto.getTerm());
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Received SCM finalize command {}", finalizeNewLayoutVersionCommand.getId());
                }
                this.context.addCommand(finalizeNewLayoutVersionCommand);
                break;
            case refreshVolumeUsageInfo:
                RefreshVolumeUsageCommand refreshVolumeUsageCommand = RefreshVolumeUsageCommand.getFromProtobuf(commandResponseProto.getRefreshVolumeUsageCommandProto());
                if (commandResponseProto.hasTerm()) {
                    refreshVolumeUsageCommand.setTerm(commandResponseProto.getTerm());
                }
                this.context.addCommand(refreshVolumeUsageCommand);
                break;
            default:
                throw new IllegalArgumentException("Unknown response : " + commandResponseProto.getCommandType().name());
        }
    }
}

Example 4 with CreatePipelineCommand

use of org.apache.hadoop.ozone.protocol.commands.CreatePipelineCommand in project ozone by apache.

the class CreatePipelineCommandHandler method handle.

/**
 * Handles a given SCM command.
 *
 * @param command           - SCM Command
 * @param ozoneContainer    - Ozone Container.
 * @param context           - Current Context.
 * @param connectionManager - The SCMs that we are talking to.
 */
@Override
public void handle(SCMCommand command, OzoneContainer ozoneContainer, StateContext context, SCMConnectionManager connectionManager) {
    invocationCount.incrementAndGet();
    final long startTime = Time.monotonicNow();
    final DatanodeDetails dn = context.getParent().getDatanodeDetails();
    final CreatePipelineCommand createCommand = (CreatePipelineCommand) command;
    final PipelineID pipelineID = createCommand.getPipelineID();
    final HddsProtos.PipelineID pipelineIdProto = pipelineID.getProtobuf();
    final List<DatanodeDetails> peers = createCommand.getNodeList();
    final List<Integer> priorityList = createCommand.getPriorityList();
    try {
        XceiverServerSpi server = ozoneContainer.getWriteChannel();
        if (!server.isExist(pipelineIdProto)) {
            final RaftGroupId groupId = RaftGroupId.valueOf(pipelineID.getId());
            final RaftGroup group = RatisHelper.newRaftGroup(groupId, peers, priorityList);
            server.addGroup(pipelineIdProto, peers, priorityList);
            peers.stream().filter(d -> !d.getUuid().equals(dn.getUuid())).forEach(d -> {
                final RaftPeer peer = RatisHelper.toRaftPeer(d);
                try (RaftClient client = RatisHelper.newRaftClient(peer, conf, ozoneContainer.getTlsClientConfig())) {
                    client.getGroupManagementApi(peer.getId()).add(group);
                } catch (AlreadyExistsException ae) {
                // do not log
                } catch (IOException ioe) {
                    LOG.warn("Add group failed for {}", d, ioe);
                }
            });
            LOG.info("Created Pipeline {} {} {}.", createCommand.getReplicationType(), createCommand.getFactor(), pipelineID);
        }
    } catch (IOException e) {
        // from another peer, so we may got an AlreadyExistsException.
        if (!(e.getCause() instanceof AlreadyExistsException)) {
            LOG.error("Can't create pipeline {} {} {}", createCommand.getReplicationType(), createCommand.getFactor(), pipelineID, e);
        }
    } finally {
        long endTime = Time.monotonicNow();
        totalTime += endTime - startTime;
    }
}

Example 5 with CreatePipelineCommand

use of org.apache.hadoop.ozone.protocol.commands.CreatePipelineCommand in project ozone by apache.

the class RatisPipelineProvider method create.

@Override
public synchronized Pipeline create(RatisReplicationConfig replicationConfig) throws IOException {
    if (exceedPipelineNumberLimit(replicationConfig)) {
        throw new SCMException("Ratis pipeline number meets the limit: " + pipelineNumberLimit + " replicationConfig : " + replicationConfig, SCMException.ResultCodes.FAILED_TO_FIND_SUITABLE_NODE);
    }
    List<DatanodeDetails> dns;
    final ReplicationFactor factor = replicationConfig.getReplicationFactor();
    switch(factor) {
        case ONE:
            dns = pickNodesNotUsed(replicationConfig, minRatisVolumeSizeBytes, containerSizeBytes);
            break;
        case THREE:
            dns = placementPolicy.chooseDatanodes(null, null, factor.getNumber(), minRatisVolumeSizeBytes, containerSizeBytes);
            break;
        default:
            throw new IllegalStateException("Unknown factor: " + factor.name());
    }
    DatanodeDetails suggestedLeader = leaderChoosePolicy.chooseLeader(dns);
    Pipeline pipeline = Pipeline.newBuilder().setId(PipelineID.randomId()).setState(PipelineState.ALLOCATED).setReplicationConfig(RatisReplicationConfig.getInstance(factor)).setNodes(dns).setSuggestedLeaderId(suggestedLeader != null ? suggestedLeader.getUuid() : null).build();
    // Send command to datanodes to create pipeline
    final CreatePipelineCommand createCommand = suggestedLeader != null ? new CreatePipelineCommand(pipeline.getId(), pipeline.getType(), factor, dns, suggestedLeader) : new CreatePipelineCommand(pipeline.getId(), pipeline.getType(), factor, dns);
    createCommand.setTerm(scmContext.getTermOfLeader());
    dns.forEach(node -> {
        LOG.info("Sending CreatePipelineCommand for pipeline:{} to datanode:{}", pipeline.getId(), node.getUuidString());
        eventPublisher.fireEvent(SCMEvents.DATANODE_COMMAND, new CommandForDatanode<>(node.getUuid(), createCommand));
    });
    return pipeline;
}