Examples with AffectedComponentDTO org.apache.nifi.web.api.dto.AffectedComponentDTO used on opensource projects

Example 11 with AffectedComponentDTO

use of org.apache.nifi.web.api.dto.AffectedComponentDTO in project nifi by apache.

the class ProcessGroupResource method activateControllerServices.

private void activateControllerServices(final String groupId, final URI originalUri, final VariableRegistryUpdateRequest updateRequest, final Pause pause, final Collection<AffectedComponentDTO> affectedServices, final ControllerServiceState desiredState, final VariableRegistryUpdateStep updateStep) throws InterruptedException {
    final Set<String> affectedServiceIds = affectedServices.stream().map(component -> component.getId()).collect(Collectors.toSet());
    final Map<String, Revision> serviceRevisionMap = getRevisions(groupId, affectedServiceIds);
    final Map<String, RevisionDTO> serviceRevisionDtoMap = serviceRevisionMap.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, entry -> dtoFactory.createRevisionDTO(entry.getValue())));
    final ActivateControllerServicesEntity activateServicesEntity = new ActivateControllerServicesEntity();
    activateServicesEntity.setComponents(serviceRevisionDtoMap);
    activateServicesEntity.setId(groupId);
    activateServicesEntity.setState(desiredState.name());
    URI controllerServicesUri;
    try {
        controllerServicesUri = new URI(originalUri.getScheme(), originalUri.getUserInfo(), originalUri.getHost(), originalUri.getPort(), "/nifi-api/flow/process-groups/" + groupId + "/controller-services", 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, controllerServicesUri, activateServicesEntity, headers).awaitMergedResponse();
    } else {
        clusterResponse = getRequestReplicator().forwardToCoordinator(getClusterCoordinatorNode(), HttpMethod.PUT, controllerServicesUri, activateServicesEntity, headers).awaitMergedResponse();
    }
    final int disableServicesStatus = clusterResponse.getStatus();
    if (disableServicesStatus != Status.OK.getStatusCode()) {
        updateStep.setFailureReason("Failed while " + updateStep.getDescription());
        updateStep.setComplete(true);
        updateRequest.setFailureReason("Failed while " + updateStep.getDescription());
        return;
    }
    updateRequest.setLastUpdated(new Date());
    final boolean serviceTransitioned = waitForControllerServiceStatus(originalUri, groupId, affectedServiceIds, desiredState, updateRequest, pause);
    updateStep.setComplete(true);
    if (!serviceTransitioned) {
        updateStep.setFailureReason("Failed while " + updateStep.getDescription());
        updateRequest.setComplete(true);
        updateRequest.setFailureReason("Failed while " + updateStep.getDescription());
    }
}

Example 12 with AffectedComponentDTO

use of org.apache.nifi.web.api.dto.AffectedComponentDTO in project nifi by apache.

the class ProcessGroupResource method submitUpdateVariableRegistryRequest.

/**
 * Updates the variable registry for the specified process group.
 *
 * @param httpServletRequest request
 * @param groupId The id of the process group.
 * @param requestVariableRegistryEntity the Variable Registry Entity
 * @return A Variable Registry Entry.
 */
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}/variable-registry/update-requests")
@ApiOperation(value = "Submits a request to update a process group's variable registry", response = VariableRegistryUpdateRequestEntity.class, notes = NON_GUARANTEED_ENDPOINT, authorizations = { @Authorization(value = "Write - /process-groups/{uuid}") })
@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 submitUpdateVariableRegistryRequest(@Context final HttpServletRequest httpServletRequest, @ApiParam(value = "The process group id.", required = true) @PathParam("id") final String groupId, @ApiParam(value = "The variable registry configuration details.", required = true) final VariableRegistryEntity requestVariableRegistryEntity) {
    if (requestVariableRegistryEntity == null || requestVariableRegistryEntity.getVariableRegistry() == null) {
        throw new IllegalArgumentException("Variable Registry details must be specified.");
    }
    if (requestVariableRegistryEntity.getProcessGroupRevision() == null) {
        throw new IllegalArgumentException("Process Group Revision must be specified.");
    }
    // In order to update variables in a variable registry, we have to perform the following steps:
    // 1. Determine Affected Components (this includes any Processors and Controller Services and any components that reference an affected Controller Service).
    // 1a. Determine ID's of components
    // 1b. Determine Revision's of associated components
    // 2. Stop All Active Affected Processors
    // 3. Disable All Active Affected Controller Services
    // 4. Update the Variables
    // 5. Re-Enable all previously Active Affected Controller Services (services only, not dependent components)
    // 6. Re-Enable all previously Active Processors that Depended on the Controller Services
    // Determine the affected components (and their associated revisions)
    final VariableRegistryEntity computedEntity = serviceFacade.populateAffectedComponents(requestVariableRegistryEntity.getVariableRegistry());
    final VariableRegistryDTO computedRegistryDto = computedEntity.getVariableRegistry();
    if (computedRegistryDto == null) {
        throw new ResourceNotFoundException(String.format("Unable to locate group with id '%s'.", groupId));
    }
    final Set<AffectedComponentEntity> allAffectedComponents = serviceFacade.getComponentsAffectedByVariableRegistryUpdate(requestVariableRegistryEntity.getVariableRegistry());
    final Set<AffectedComponentDTO> activeAffectedComponents = serviceFacade.getActiveComponentsAffectedByVariableRegistryUpdate(requestVariableRegistryEntity.getVariableRegistry());
    final Map<String, List<AffectedComponentDTO>> activeAffectedComponentsByType = activeAffectedComponents.stream().collect(Collectors.groupingBy(comp -> comp.getReferenceType()));
    final List<AffectedComponentDTO> activeAffectedProcessors = activeAffectedComponentsByType.get(AffectedComponentDTO.COMPONENT_TYPE_PROCESSOR);
    final List<AffectedComponentDTO> activeAffectedServices = activeAffectedComponentsByType.get(AffectedComponentDTO.COMPONENT_TYPE_CONTROLLER_SERVICE);
    final NiFiUser user = NiFiUserUtils.getNiFiUser();
    // define access authorize for execution below
    final AuthorizeAccess authorizeAccess = lookup -> {
        final Authorizable groupAuthorizable = lookup.getProcessGroup(groupId).getAuthorizable();
        groupAuthorizable.authorize(authorizer, RequestAction.WRITE, user);
        // (because this action requires stopping the component).
        if (activeAffectedProcessors != null) {
            for (final AffectedComponentDTO activeAffectedComponent : activeAffectedProcessors) {
                final Authorizable authorizable = lookup.getProcessor(activeAffectedComponent.getId()).getAuthorizable();
                authorizable.authorize(authorizer, RequestAction.READ, user);
                authorizable.authorize(authorizer, RequestAction.WRITE, user);
            }
        }
        if (activeAffectedServices != null) {
            for (final AffectedComponentDTO activeAffectedComponent : activeAffectedServices) {
                final Authorizable authorizable = lookup.getControllerService(activeAffectedComponent.getId()).getAuthorizable();
                authorizable.authorize(authorizer, RequestAction.READ, user);
                authorizable.authorize(authorizer, RequestAction.WRITE, user);
            }
        }
    };
    if (isReplicateRequest()) {
        // authorize access
        serviceFacade.authorizeAccess(authorizeAccess);
        // update the variable registry
        final VariableRegistryUpdateRequest updateRequest = createVariableRegistryUpdateRequest(groupId, allAffectedComponents, user);
        updateRequest.getIdentifyRelevantComponentsStep().setComplete(true);
        final URI originalUri = getAbsolutePath();
        // Submit the task to be run in the background
        final Runnable taskWrapper = () -> {
            try {
                // set the user authentication token
                final Authentication authentication = new NiFiAuthenticationToken(new NiFiUserDetails(user));
                SecurityContextHolder.getContext().setAuthentication(authentication);
                updateVariableRegistryReplicated(groupId, originalUri, activeAffectedProcessors, activeAffectedServices, updateRequest, requestVariableRegistryEntity);
                // ensure the request is marked complete
                updateRequest.setComplete(true);
            } catch (final Exception e) {
                logger.error("Failed to update variable registry", e);
                updateRequest.setComplete(true);
                updateRequest.setFailureReason("An unexpected error has occurred: " + e);
            } finally {
                // clear the authentication token
                SecurityContextHolder.getContext().setAuthentication(null);
            }
        };
        variableRegistryThreadPool.submit(taskWrapper);
        final VariableRegistryUpdateRequestEntity responseEntity = new VariableRegistryUpdateRequestEntity();
        responseEntity.setRequest(dtoFactory.createVariableRegistryUpdateRequestDto(updateRequest));
        responseEntity.setProcessGroupRevision(updateRequest.getProcessGroupRevision());
        responseEntity.getRequest().setUri(generateResourceUri("process-groups", groupId, "variable-registry", "update-requests", updateRequest.getRequestId()));
        final URI location = URI.create(responseEntity.getRequest().getUri());
        return Response.status(Status.ACCEPTED).location(location).entity(responseEntity).build();
    }
    final UpdateVariableRegistryRequestWrapper requestWrapper = new UpdateVariableRegistryRequestWrapper(allAffectedComponents, activeAffectedProcessors, activeAffectedServices, requestVariableRegistryEntity);
    final Revision requestRevision = getRevision(requestVariableRegistryEntity.getProcessGroupRevision(), groupId);
    return withWriteLock(serviceFacade, requestWrapper, requestRevision, authorizeAccess, null, (revision, wrapper) -> updateVariableRegistryLocal(groupId, wrapper.getAllAffectedComponents(), wrapper.getActiveAffectedProcessors(), wrapper.getActiveAffectedServices(), user, revision, wrapper.getVariableRegistryEntity()));
}

Example 13 with AffectedComponentDTO

use of org.apache.nifi.web.api.dto.AffectedComponentDTO in project nifi by apache.

the class ClusterReplicationComponentLifecycle method updateAffectedControllerServices.

/**
 * Updates the affected controller services in the specified updateRequest with the serviceEntities.
 *
 * @param serviceEntities service entities
 * @param affectedServices affected services
 */
private void updateAffectedControllerServices(final Set<ControllerServiceEntity> serviceEntities, final Map<String, AffectedComponentEntity> affectedServices) {
    // update the affected components
    serviceEntities.stream().filter(entity -> affectedServices.containsKey(entity.getId())).forEach(entity -> {
        final AffectedComponentEntity affectedComponentEntity = affectedServices.get(entity.getId());
        affectedComponentEntity.setRevision(entity.getRevision());
        // only consider update this component if the user had permissions to it
        if (Boolean.TRUE.equals(affectedComponentEntity.getPermissions().getCanRead())) {
            final AffectedComponentDTO affectedComponent = affectedComponentEntity.getComponent();
            affectedComponent.setState(entity.getComponent().getState());
            if (Boolean.TRUE.equals(entity.getPermissions().getCanRead())) {
                affectedComponent.setValidationErrors(entity.getComponent().getValidationErrors());
            }
        }
    });
}

Example 14 with AffectedComponentDTO

use of org.apache.nifi.web.api.dto.AffectedComponentDTO in project nifi by apache.

the class ClusterReplicationComponentLifecycle method isProcessorActionComplete.

private boolean isProcessorActionComplete(final Set<ProcessorEntity> processorEntities, final Map<String, AffectedComponentEntity> affectedComponents, final ScheduledState desiredState) {
    final String desiredStateName = desiredState.name();
    // update the affected processors
    processorEntities.stream().filter(entity -> affectedComponents.containsKey(entity.getId())).forEach(entity -> {
        final AffectedComponentEntity affectedComponentEntity = affectedComponents.get(entity.getId());
        affectedComponentEntity.setRevision(entity.getRevision());
        // only consider update this component if the user had permissions to it
        if (Boolean.TRUE.equals(affectedComponentEntity.getPermissions().getCanRead())) {
            final AffectedComponentDTO affectedComponent = affectedComponentEntity.getComponent();
            affectedComponent.setState(entity.getStatus().getAggregateSnapshot().getRunStatus());
            affectedComponent.setActiveThreadCount(entity.getStatus().getAggregateSnapshot().getActiveThreadCount());
            if (Boolean.TRUE.equals(entity.getPermissions().getCanRead())) {
                affectedComponent.setValidationErrors(entity.getComponent().getValidationErrors());
            }
        }
    });
    final boolean allProcessorsMatch = processorEntities.stream().filter(entity -> affectedComponents.containsKey(entity.getId())).allMatch(entity -> {
        final ProcessorStatusDTO status = entity.getStatus();
        final String runStatus = status.getAggregateSnapshot().getRunStatus();
        final boolean stateMatches = desiredStateName.equalsIgnoreCase(runStatus);
        if (!stateMatches) {
            return false;
        }
        if (desiredState == ScheduledState.STOPPED && status.getAggregateSnapshot().getActiveThreadCount() != 0) {
            return false;
        }
        return true;
    });
    if (!allProcessorsMatch) {
        return false;
    }
    return true;
}

Example 15 with AffectedComponentDTO

use of org.apache.nifi.web.api.dto.AffectedComponentDTO in project nifi by apache.

the class LocalComponentLifecycle method isProcessorActionComplete.

private boolean isProcessorActionComplete(final Set<ProcessorEntity> processorEntities, final Map<String, AffectedComponentEntity> affectedComponents, final ScheduledState desiredState) {
    final String desiredStateName = desiredState.name();
    // update the affected processors
    processorEntities.stream().filter(entity -> affectedComponents.containsKey(entity.getId())).forEach(entity -> {
        final AffectedComponentEntity affectedComponentEntity = affectedComponents.get(entity.getId());
        affectedComponentEntity.setRevision(entity.getRevision());
        // only consider updating this component if the user had permissions to it
        if (Boolean.TRUE.equals(affectedComponentEntity.getPermissions().getCanRead())) {
            final AffectedComponentDTO affectedComponent = affectedComponentEntity.getComponent();
            affectedComponent.setState(entity.getStatus().getAggregateSnapshot().getRunStatus());
            affectedComponent.setActiveThreadCount(entity.getStatus().getAggregateSnapshot().getActiveThreadCount());
            if (Boolean.TRUE.equals(entity.getPermissions().getCanRead())) {
                affectedComponent.setValidationErrors(entity.getComponent().getValidationErrors());
            }
        }
    });
    final boolean allProcessorsMatch = processorEntities.stream().filter(entity -> affectedComponents.containsKey(entity.getId())).allMatch(entity -> {
        final ProcessorStatusDTO status = entity.getStatus();
        final String runStatus = status.getAggregateSnapshot().getRunStatus();
        final boolean stateMatches = desiredStateName.equalsIgnoreCase(runStatus);
        if (!stateMatches) {
            return false;
        }
        if (desiredState == ScheduledState.STOPPED && status.getAggregateSnapshot().getActiveThreadCount() != 0) {
            return false;
        }
        return true;
    });
    if (!allProcessorsMatch) {
        return false;
    }
    return true;
}