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Example 6 with NodeResponse

use of org.apache.nifi.cluster.manager.NodeResponse in project nifi by apache.

the class FlowResource method getInputPortStatus.

/**
 * Retrieves the specified input port status.
 *
 * @param id The id of the processor history to retrieve.
 * @return A portStatusEntity.
 * @throws InterruptedException if interrupted
 */
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("input-ports/{id}/status")
@ApiOperation(value = "Gets status for an input port", response = PortStatusEntity.class, authorizations = { @Authorization(value = "Read - /flow") })
@ApiResponses(value = { @ApiResponse(code = 400, message = "NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."), @ApiResponse(code = 401, message = "Client could not be authenticated."), @ApiResponse(code = 403, message = "Client is not authorized to make this request."), @ApiResponse(code = 404, message = "The specified resource could not be found."), @ApiResponse(code = 409, message = "The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.") })
public Response getInputPortStatus(@ApiParam(value = "Whether or not to include the breakdown per node. Optional, defaults to false", required = false) @QueryParam("nodewise") @DefaultValue(NODEWISE) Boolean nodewise, @ApiParam(value = "The id of the node where to get the status.", required = false) @QueryParam("clusterNodeId") String clusterNodeId, @ApiParam(value = "The input port id.", required = true) @PathParam("id") String id) throws InterruptedException {
    authorizeFlow();
    // ensure a valid request
    if (Boolean.TRUE.equals(nodewise) && clusterNodeId != null) {
        throw new IllegalArgumentException("Nodewise requests cannot be directed at a specific node.");
    }
    if (isReplicateRequest()) {
        // determine where this request should be sent
        if (clusterNodeId == null) {
            final NodeResponse nodeResponse = replicateNodeResponse(HttpMethod.GET);
            final PortStatusEntity entity = (PortStatusEntity) nodeResponse.getUpdatedEntity();
            // ensure there is an updated entity (result of merging) and prune the response as necessary
            if (entity != null && !nodewise) {
                entity.getPortStatus().setNodeSnapshots(null);
            }
            return nodeResponse.getResponse();
        } else {
            return replicate(HttpMethod.GET, clusterNodeId);
        }
    }
    // get the specified input port status
    final PortStatusEntity entity = serviceFacade.getInputPortStatus(id);
    return generateOkResponse(entity).build();
}
Also used : PortStatusEntity(org.apache.nifi.web.api.entity.PortStatusEntity) NodeResponse(org.apache.nifi.cluster.manager.NodeResponse) Path(javax.ws.rs.Path) Consumes(javax.ws.rs.Consumes) Produces(javax.ws.rs.Produces) GET(javax.ws.rs.GET) ApiOperation(io.swagger.annotations.ApiOperation) ApiResponses(io.swagger.annotations.ApiResponses)

Example 7 with NodeResponse

use of org.apache.nifi.cluster.manager.NodeResponse in project nifi by apache.

the class FlowResource method getOutputPortStatus.

/**
 * Retrieves the specified output port status.
 *
 * @param id The id of the processor history to retrieve.
 * @return A portStatusEntity.
 * @throws InterruptedException if interrupted
 */
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("output-ports/{id}/status")
@ApiOperation(value = "Gets status for an output port", response = PortStatusEntity.class, authorizations = { @Authorization(value = "Read - /flow") })
@ApiResponses(value = { @ApiResponse(code = 400, message = "NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."), @ApiResponse(code = 401, message = "Client could not be authenticated."), @ApiResponse(code = 403, message = "Client is not authorized to make this request."), @ApiResponse(code = 404, message = "The specified resource could not be found."), @ApiResponse(code = 409, message = "The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.") })
public Response getOutputPortStatus(@ApiParam(value = "Whether or not to include the breakdown per node. Optional, defaults to false", required = false) @QueryParam("nodewise") @DefaultValue(NODEWISE) Boolean nodewise, @ApiParam(value = "The id of the node where to get the status.", required = false) @QueryParam("clusterNodeId") String clusterNodeId, @ApiParam(value = "The output port id.", required = true) @PathParam("id") String id) throws InterruptedException {
    authorizeFlow();
    // ensure a valid request
    if (Boolean.TRUE.equals(nodewise) && clusterNodeId != null) {
        throw new IllegalArgumentException("Nodewise requests cannot be directed at a specific node.");
    }
    if (isReplicateRequest()) {
        // determine where this request should be sent
        if (clusterNodeId == null) {
            final NodeResponse nodeResponse = replicateNodeResponse(HttpMethod.GET);
            final PortStatusEntity entity = (PortStatusEntity) nodeResponse.getUpdatedEntity();
            // ensure there is an updated entity (result of merging) and prune the response as necessary
            if (entity != null && !nodewise) {
                entity.getPortStatus().setNodeSnapshots(null);
            }
            return nodeResponse.getResponse();
        } else {
            return replicate(HttpMethod.GET, clusterNodeId);
        }
    }
    // get the specified output port status
    final PortStatusEntity entity = serviceFacade.getOutputPortStatus(id);
    return generateOkResponse(entity).build();
}
Also used : PortStatusEntity(org.apache.nifi.web.api.entity.PortStatusEntity) NodeResponse(org.apache.nifi.cluster.manager.NodeResponse) Path(javax.ws.rs.Path) Consumes(javax.ws.rs.Consumes) Produces(javax.ws.rs.Produces) GET(javax.ws.rs.GET) ApiOperation(io.swagger.annotations.ApiOperation) ApiResponses(io.swagger.annotations.ApiResponses)

Example 8 with NodeResponse

use of org.apache.nifi.cluster.manager.NodeResponse in project nifi by apache.

the class ProcessGroupResource method waitForControllerServiceStatus.

/**
 * Periodically polls the process group with the given ID, waiting for all controller services whose ID's are given to have the given Controller Service State.
 *
 * @param groupId the ID of the Process Group to poll
 * @param serviceIds the ID of all Controller Services whose state should be equal to the given desired state
 * @param desiredState the desired state for all services with the ID's given
 * @param pause the Pause that can be used to wait between polling
 * @return <code>true</code> if successful, <code>false</code> if unable to wait for services to reach the desired state
 */
private boolean waitForControllerServiceStatus(final URI originalUri, final String groupId, final Set<String> serviceIds, final ControllerServiceState desiredState, final VariableRegistryUpdateRequest updateRequest, final Pause pause) throws InterruptedException {
    URI groupUri;
    try {
        groupUri = new URI(originalUri.getScheme(), originalUri.getUserInfo(), originalUri.getHost(), originalUri.getPort(), "/nifi-api/flow/process-groups/" + groupId + "/controller-services", "includeAncestorGroups=false,includeDescendantGroups=true", originalUri.getFragment());
    } catch (URISyntaxException e) {
        throw new RuntimeException(e);
    }
    final Map<String, String> headers = new HashMap<>();
    final MultivaluedMap<String, String> requestEntity = new MultivaluedHashMap<>();
    boolean continuePolling = true;
    while (continuePolling) {
        // Determine whether we should replicate only to the cluster coordinator, or if we should replicate directly to the cluster nodes themselves.
        final NodeResponse clusterResponse;
        if (getReplicationTarget() == ReplicationTarget.CLUSTER_NODES) {
            clusterResponse = getRequestReplicator().replicate(HttpMethod.GET, groupUri, requestEntity, headers).awaitMergedResponse();
        } else {
            clusterResponse = getRequestReplicator().forwardToCoordinator(getClusterCoordinatorNode(), HttpMethod.GET, groupUri, requestEntity, headers).awaitMergedResponse();
        }
        if (clusterResponse.getStatus() != Status.OK.getStatusCode()) {
            return false;
        }
        final ControllerServicesEntity controllerServicesEntity = getResponseEntity(clusterResponse, ControllerServicesEntity.class);
        final Set<ControllerServiceEntity> serviceEntities = controllerServicesEntity.getControllerServices();
        // update the affected controller services
        updateAffectedControllerServices(serviceEntities, updateRequest);
        final String desiredStateName = desiredState.name();
        final boolean allServicesMatch = serviceEntities.stream().map(entity -> entity.getComponent()).filter(service -> serviceIds.contains(service.getId())).map(service -> service.getState()).allMatch(state -> state.equals(desiredStateName));
        if (allServicesMatch) {
            logger.debug("All {} controller services of interest now have the desired state of {}", serviceIds.size(), desiredState);
            return true;
        }
        // Not all of the processors are in the desired state. Pause for a bit and poll again.
        continuePolling = pause.pause();
    }
    return false;
}
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Example 9 with NodeResponse

use of org.apache.nifi.cluster.manager.NodeResponse in project nifi by apache.

the class ProcessGroupResource method applyVariableRegistryUpdate.

private void applyVariableRegistryUpdate(final String groupId, final URI originalUri, final VariableRegistryUpdateRequest updateRequest, final VariableRegistryEntity updateEntity) throws InterruptedException, IOException {
    // convert request accordingly
    URI applyUpdatesUri;
    try {
        applyUpdatesUri = new URI(originalUri.getScheme(), originalUri.getUserInfo(), originalUri.getHost(), originalUri.getPort(), "/nifi-api/process-groups/" + groupId + "/variable-registry", null, originalUri.getFragment());
    } catch (URISyntaxException e) {
        throw new RuntimeException(e);
    }
    final Map<String, String> headers = new HashMap<>();
    headers.put("content-type", MediaType.APPLICATION_JSON);
    // Determine whether we should replicate only to the cluster coordinator, or if we should replicate directly to the cluster nodes themselves.
    final NodeResponse clusterResponse;
    if (getReplicationTarget() == ReplicationTarget.CLUSTER_NODES) {
        clusterResponse = getRequestReplicator().replicate(HttpMethod.PUT, applyUpdatesUri, updateEntity, headers).awaitMergedResponse();
    } else {
        clusterResponse = getRequestReplicator().forwardToCoordinator(getClusterCoordinatorNode(), HttpMethod.PUT, applyUpdatesUri, updateEntity, headers).awaitMergedResponse();
    }
    final int applyUpdatesStatus = clusterResponse.getStatus();
    updateRequest.setLastUpdated(new Date());
    updateRequest.getApplyUpdatesStep().setComplete(true);
    if (applyUpdatesStatus == Status.OK.getStatusCode()) {
        // grab the current process group revision
        final VariableRegistryEntity entity = getResponseEntity(clusterResponse, VariableRegistryEntity.class);
        updateRequest.setProcessGroupRevision(entity.getProcessGroupRevision());
    } else {
        final String message = getResponseEntity(clusterResponse, String.class);
        // update the request progress
        updateRequest.getApplyUpdatesStep().setFailureReason("Failed to apply updates to the Variable Registry: " + message);
        updateRequest.setComplete(true);
        updateRequest.setFailureReason("Failed to apply updates to the Variable Registry: " + message);
    }
}
Also used : ConcurrentHashMap(java.util.concurrent.ConcurrentHashMap) HashMap(java.util.HashMap) MultivaluedHashMap(javax.ws.rs.core.MultivaluedHashMap) VariableRegistryEntity(org.apache.nifi.web.api.entity.VariableRegistryEntity) NodeResponse(org.apache.nifi.cluster.manager.NodeResponse) URISyntaxException(java.net.URISyntaxException) URI(java.net.URI) Date(java.util.Date)

Example 10 with NodeResponse

use of org.apache.nifi.cluster.manager.NodeResponse in project nifi by apache.

the class ProcessGroupResource method scheduleProcessors.

private void scheduleProcessors(final String groupId, final URI originalUri, final VariableRegistryUpdateRequest updateRequest, final Pause pause, final Collection<AffectedComponentDTO> affectedProcessors, final ScheduledState desiredState, final VariableRegistryUpdateStep updateStep) throws InterruptedException {
    final Set<String> affectedProcessorIds = affectedProcessors.stream().map(component -> component.getId()).collect(Collectors.toSet());
    final Map<String, Revision> processorRevisionMap = getRevisions(groupId, affectedProcessorIds);
    final Map<String, RevisionDTO> processorRevisionDtoMap = processorRevisionMap.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, entry -> dtoFactory.createRevisionDTO(entry.getValue())));
    final ScheduleComponentsEntity scheduleProcessorsEntity = new ScheduleComponentsEntity();
    scheduleProcessorsEntity.setComponents(processorRevisionDtoMap);
    scheduleProcessorsEntity.setId(groupId);
    scheduleProcessorsEntity.setState(desiredState.name());
    URI scheduleGroupUri;
    try {
        scheduleGroupUri = new URI(originalUri.getScheme(), originalUri.getUserInfo(), originalUri.getHost(), originalUri.getPort(), "/nifi-api/flow/process-groups/" + groupId, null, originalUri.getFragment());
    } catch (URISyntaxException e) {
        throw new RuntimeException(e);
    }
    final Map<String, String> headers = new HashMap<>();
    headers.put("content-type", MediaType.APPLICATION_JSON);
    // Determine whether we should replicate only to the cluster coordinator, or if we should replicate directly to the cluster nodes themselves.
    final NodeResponse clusterResponse;
    if (getReplicationTarget() == ReplicationTarget.CLUSTER_NODES) {
        clusterResponse = getRequestReplicator().replicate(HttpMethod.PUT, scheduleGroupUri, scheduleProcessorsEntity, headers).awaitMergedResponse();
    } else {
        clusterResponse = getRequestReplicator().forwardToCoordinator(getClusterCoordinatorNode(), HttpMethod.PUT, scheduleGroupUri, scheduleProcessorsEntity, headers).awaitMergedResponse();
    }
    final int stopProcessorStatus = clusterResponse.getStatus();
    if (stopProcessorStatus != Status.OK.getStatusCode()) {
        updateRequest.getStopProcessorsStep().setFailureReason("Failed while " + updateStep.getDescription());
        updateStep.setComplete(true);
        updateRequest.setFailureReason("Failed while " + updateStep.getDescription());
        return;
    }
    updateRequest.setLastUpdated(new Date());
    final boolean processorsTransitioned = waitForProcessorStatus(originalUri, groupId, affectedProcessorIds, desiredState, updateRequest, pause);
    updateStep.setComplete(true);
    if (!processorsTransitioned) {
        updateStep.setFailureReason("Failed while " + updateStep.getDescription());
        updateRequest.setComplete(true);
        updateRequest.setFailureReason("Failed while " + updateStep.getDescription());
    }
}
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BundleCoordinate(org.apache.nifi.bundle.BundleCoordinate) ProcessorConfigDTO(org.apache.nifi.web.api.dto.ProcessorConfigDTO) Date(java.util.Date) ConnectableType(org.apache.nifi.connectable.ConnectableType) ProcessorStatusDTO(org.apache.nifi.web.api.dto.status.ProcessorStatusDTO) URISyntaxException(java.net.URISyntaxException) LoggerFactory(org.slf4j.LoggerFactory) Path(javax.ws.rs.Path) BundleDTO(org.apache.nifi.web.api.dto.BundleDTO) ApiOperation(io.swagger.annotations.ApiOperation) AuthorizeControllerServiceReference(org.apache.nifi.authorization.AuthorizeControllerServiceReference) QueryParam(javax.ws.rs.QueryParam) Consumes(javax.ws.rs.Consumes) TemplateDTO(org.apache.nifi.web.api.dto.TemplateDTO) ActivateControllerServicesEntity(org.apache.nifi.web.api.entity.ActivateControllerServicesEntity) XMLStreamReader(javax.xml.stream.XMLStreamReader) DefaultValue(javax.ws.rs.DefaultValue) URI(java.net.URI) ThreadFactory(java.util.concurrent.ThreadFactory) 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Aggregations

NodeResponse (org.apache.nifi.cluster.manager.NodeResponse)64 HashMap (java.util.HashMap)44 NodeIdentifier (org.apache.nifi.cluster.protocol.NodeIdentifier)44 Map (java.util.Map)38 URI (java.net.URI)32 Set (java.util.Set)23 URISyntaxException (java.net.URISyntaxException)17 ProcessorEntity (org.apache.nifi.web.api.entity.ProcessorEntity)16 MultivaluedHashMap (javax.ws.rs.core.MultivaluedHashMap)15 ApiOperation (io.swagger.annotations.ApiOperation)12 ApiResponses (io.swagger.annotations.ApiResponses)12 HashSet (java.util.HashSet)12 Collectors (java.util.stream.Collectors)12 Consumes (javax.ws.rs.Consumes)12 GET (javax.ws.rs.GET)12 Produces (javax.ws.rs.Produces)12 Response (javax.ws.rs.core.Response)12 ArrayList (java.util.ArrayList)11 Pattern (java.util.regex.Pattern)11 Path (javax.ws.rs.Path)11