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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.nifi.web.api;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import io.swagger.annotations.Authorization;
import org.apache.commons.lang3.StringUtils;
import org.apache.nifi.authorization.AuthorizeControllerServiceReference;
import org.apache.nifi.authorization.AuthorizeParameterReference;
import org.apache.nifi.authorization.Authorizer;
import org.apache.nifi.authorization.ComponentAuthorizable;
import org.apache.nifi.authorization.RequestAction;
import org.apache.nifi.authorization.resource.Authorizable;
import org.apache.nifi.authorization.resource.OperationAuthorizable;
import org.apache.nifi.authorization.user.NiFiUser;
import org.apache.nifi.authorization.user.NiFiUserUtils;
import org.apache.nifi.ui.extension.UiExtension;
import org.apache.nifi.ui.extension.UiExtensionMapping;
import org.apache.nifi.web.NiFiServiceFacade;
import org.apache.nifi.web.Revision;
import org.apache.nifi.web.UiExtensionType;
import org.apache.nifi.web.api.concurrent.AsyncRequestManager;
import org.apache.nifi.web.api.concurrent.AsynchronousWebRequest;
import org.apache.nifi.web.api.concurrent.RequestManager;
import org.apache.nifi.web.api.concurrent.StandardAsynchronousWebRequest;
import org.apache.nifi.web.api.concurrent.StandardUpdateStep;
import org.apache.nifi.web.api.concurrent.UpdateStep;
import org.apache.nifi.web.api.dto.BundleDTO;
import org.apache.nifi.web.api.dto.ComponentStateDTO;
import org.apache.nifi.web.api.dto.ConfigVerificationResultDTO;
import org.apache.nifi.web.api.dto.PositionDTO;
import org.apache.nifi.web.api.dto.ProcessorConfigDTO;
import org.apache.nifi.web.api.dto.ProcessorDTO;
import org.apache.nifi.web.api.dto.PropertyDescriptorDTO;
import org.apache.nifi.web.api.dto.VerifyProcessorConfigRequestDTO;
import org.apache.nifi.web.api.entity.ComponentStateEntity;
import org.apache.nifi.web.api.entity.ProcessorDiagnosticsEntity;
import org.apache.nifi.web.api.entity.ProcessorEntity;
import org.apache.nifi.web.api.entity.ProcessorRunStatusEntity;
import org.apache.nifi.web.api.entity.ProcessorsRunStatusDetailsEntity;
import org.apache.nifi.web.api.entity.PropertyDescriptorEntity;
import org.apache.nifi.web.api.entity.RunStatusDetailsRequestEntity;
import org.apache.nifi.web.api.entity.VerifyProcessorConfigRequestEntity;
import org.apache.nifi.web.api.request.ClientIdParameter;
import org.apache.nifi.web.api.request.LongParameter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.HttpMethod;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
/**
* RESTful endpoint for managing a Processor.
*/
@Path("/processors")
@Api(
value = "/processors",
description = "Endpoint for managing a Processor."
)
public class ProcessorResource extends ApplicationResource {
private static final Logger logger = LoggerFactory.getLogger(ProcessorResource.class);
private static final String VERIFICATION_REQUEST_TYPE = "verification-request";
private RequestManager<VerifyProcessorConfigRequestEntity, List<ConfigVerificationResultDTO>> updateRequestManager =
new AsyncRequestManager<>(100, TimeUnit.MINUTES.toMillis(1L), "Verify Processor Config Thread");
private NiFiServiceFacade serviceFacade;
private Authorizer authorizer;
@Context
private ServletContext servletContext;
/**
* Populate the uri's for the specified processors and their relationships.
*
* @param processorEntities processors
* @return dtos
*/
public Set<ProcessorEntity> populateRemainingProcessorEntitiesContent(Set<ProcessorEntity> processorEntities) {
for (ProcessorEntity processorEntity : processorEntities) {
populateRemainingProcessorEntityContent(processorEntity);
}
return processorEntities;
}
/**
* Populate the uri's for the specified processors and their relationships.
*
* @param processorEntity processors
* @return dtos
*/
public ProcessorEntity populateRemainingProcessorEntityContent(ProcessorEntity processorEntity) {
processorEntity.setUri(generateResourceUri("processors", processorEntity.getId()));
// populate remaining content
if (processorEntity.getComponent() != null) {
populateRemainingProcessorContent(processorEntity.getComponent());
}
return processorEntity;
}
/**
* Populate the uri's for the specified processors and their relationships.
*
* @param processorDiagnosticsEntity processor's diagnostics entity
* @return processor diagnostics entity
*/
public ProcessorDiagnosticsEntity populateRemainingProcessorDiagnosticsEntityContent(ProcessorDiagnosticsEntity processorDiagnosticsEntity) {
processorDiagnosticsEntity.setUri(generateResourceUri("processors", processorDiagnosticsEntity.getId(), "diagnostics"));
// populate remaining content
if (processorDiagnosticsEntity.getComponent() != null && processorDiagnosticsEntity.getComponent().getProcessor() != null) {
populateRemainingProcessorContent(processorDiagnosticsEntity.getComponent().getProcessor());
}
return processorDiagnosticsEntity;
}
/**
* Populate the uri's for the specified processor and its relationships.
*/
public ProcessorDTO populateRemainingProcessorContent(ProcessorDTO processor) {
// get the config details and see if there is a custom ui for this processor type
ProcessorConfigDTO config = processor.getConfig();
if (config != null) {
// consider legacy custom ui fist
String customUiUrl = servletContext.getInitParameter(processor.getType());
if (StringUtils.isNotBlank(customUiUrl)) {
config.setCustomUiUrl(customUiUrl);
} else {
final BundleDTO bundle = processor.getBundle();
// see if this processor has any ui extensions
final UiExtensionMapping uiExtensionMapping = (UiExtensionMapping) servletContext.getAttribute("nifi-ui-extensions");
if (uiExtensionMapping.hasUiExtension(processor.getType(), bundle.getGroup(), bundle.getArtifact(), bundle.getVersion())) {
final List<UiExtension> uiExtensions = uiExtensionMapping.getUiExtension(processor.getType(), bundle.getGroup(), bundle.getArtifact(), bundle.getVersion());
for (final UiExtension uiExtension : uiExtensions) {
if (UiExtensionType.ProcessorConfiguration.equals(uiExtension.getExtensionType())) {
config.setCustomUiUrl(uiExtension.getContextPath() + "/configure");
}
}
}
}
}
return processor;
}
/**
* Retrieves the specified processor.
*
* @param id The id of the processor to retrieve.
* @return A processorEntity.
* @throws InterruptedException if interrupted
*/
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}")
@ApiOperation(
value = "Gets a processor",
response = ProcessorEntity.class,
authorizations = {
@Authorization(value = "Read - /processors/{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 getProcessor(
@ApiParam(
value = "The processor id.",
required = true
)
@PathParam("id") final String id) throws InterruptedException {
if (isReplicateRequest()) {
return replicate(HttpMethod.GET);
}
// authorize access
serviceFacade.authorizeAccess(lookup -> {
final Authorizable processor = lookup.getProcessor(id).getAuthorizable();
processor.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
});
// get the specified processor
final ProcessorEntity entity = serviceFacade.getProcessor(id);
populateRemainingProcessorEntityContent(entity);
// generate the response
return generateOkResponse(entity).build();
}
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("/run-status-details/queries")
@ApiOperation(
value = "Submits a query to retrieve the run status details of all processors that are in the given list of Processor IDs",
response = ProcessorsRunStatusDetailsEntity.class,
authorizations = {
@Authorization(value = "Read - /processors/{uuid} for each processor whose run status information is requested")
}
)
@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 getProcessorRunStatusDetails(
@ApiParam(value = "The request for the processors that should be included in the results")
final RunStatusDetailsRequestEntity requestEntity) {
if (requestEntity.getProcessorIds() == null) {
throw new IllegalArgumentException("List of Processor IDs must be provided");
}
if (isReplicateRequest()) {
return replicate(HttpMethod.POST, requestEntity);
}
return withWriteLock(serviceFacade,
requestEntity,
lookup -> {},
null,
providedEntity -> {
final ProcessorsRunStatusDetailsEntity entity = serviceFacade.getProcessorsRunStatusDetails(requestEntity.getProcessorIds(), NiFiUserUtils.getNiFiUser());
return generateOkResponse(entity).build();
});
}
@DELETE
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}/threads")
@ApiOperation(value = "Terminates a processor, essentially \"deleting\" its threads and any active tasks", response = ProcessorEntity.class, authorizations = {
@Authorization(value = "Write - /processors/{uuid} or /operation/processors/{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 terminateProcessor(
@ApiParam(value = "The processor id.", required = true) @PathParam("id") final String id) {
if (isReplicateRequest()) {
return replicate(HttpMethod.DELETE);
}
final ProcessorEntity requestProcessorEntity = new ProcessorEntity();
requestProcessorEntity.setId(id);
return withWriteLock(
serviceFacade,
requestProcessorEntity,
lookup -> {
final Authorizable authorizable = lookup.getProcessor(id).getAuthorizable();
OperationAuthorizable.authorizeOperation(authorizable, authorizer, NiFiUserUtils.getNiFiUser());
},
() -> serviceFacade.verifyTerminateProcessor(id),
processorEntity -> {
final ProcessorEntity entity = serviceFacade.terminateProcessor(processorEntity.getId());
populateRemainingProcessorEntityContent(entity);
return generateOkResponse(entity).build();
});
}
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}/diagnostics")
@ApiOperation(value = "Gets diagnostics information about a processor",
response = ProcessorEntity.class,
notes = NON_GUARANTEED_ENDPOINT,
authorizations = { @Authorization(value = "Read - /processors/{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 getProcessorDiagnostics(
@ApiParam(value = "The processor id.", required = true) @PathParam("id") final String id) throws InterruptedException {
if (isReplicateRequest()) {
return replicate(HttpMethod.GET);
}
// authorize access
serviceFacade.authorizeAccess(lookup -> {
final Authorizable processor = lookup.getProcessor(id).getAuthorizable();
processor.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
});
// get the specified processor's diagnostics
final ProcessorDiagnosticsEntity entity = serviceFacade.getProcessorDiagnostics(id);
populateRemainingProcessorDiagnosticsEntityContent(entity);
// generate the response
return generateOkResponse(entity).build();
}
/**
* Returns the descriptor for the specified property.
*
* @param id The id of the processor
* @param propertyName The property
* @return a propertyDescriptorEntity
* @throws InterruptedException if interrupted
*/
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}/descriptors")
@ApiOperation(
value = "Gets the descriptor for a processor property",
response = PropertyDescriptorEntity.class,
authorizations = {
@Authorization(value = "Read - /processors/{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 getPropertyDescriptor(
@ApiParam(
value = "If the client id is not specified, new one will be generated. This value (whether specified or generated) is included in the response.",
required = false
)
@QueryParam(CLIENT_ID) @DefaultValue(StringUtils.EMPTY) final ClientIdParameter clientId,
@ApiParam(
value = "The processor id.",
required = true
)
@PathParam("id") final String id,
@ApiParam(
value = "The property name.",
required = true
)
@QueryParam("propertyName") final String propertyName) throws InterruptedException {
// ensure the property name is specified
if (propertyName == null) {
throw new IllegalArgumentException("The property name must be specified.");
}
if (isReplicateRequest()) {
return replicate(HttpMethod.GET);
}
// authorize access
serviceFacade.authorizeAccess(lookup -> {
final Authorizable processor = lookup.getProcessor(id).getAuthorizable();
processor.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
});
// get the property descriptor
final PropertyDescriptorDTO descriptor = serviceFacade.getProcessorPropertyDescriptor(id, propertyName);
// generate the response entity
final PropertyDescriptorEntity entity = new PropertyDescriptorEntity();
entity.setPropertyDescriptor(descriptor);
// generate the response
return generateOkResponse(entity).build();
}
/**
* Gets the state for a processor.
*
* @param id The id of the processor
* @return a componentStateEntity
* @throws InterruptedException if interrupted
*/
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}/state")
@ApiOperation(
value = "Gets the state for a processor",
response = ComponentStateEntity.class,
authorizations = {
@Authorization(value = "Write - /processors/{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 getState(
@ApiParam(
value = "The processor id.",
required = true
)
@PathParam("id") final String id) throws InterruptedException {
if (isReplicateRequest()) {
return replicate(HttpMethod.GET);
}
// authorize access
serviceFacade.authorizeAccess(lookup -> {
final Authorizable processor = lookup.getProcessor(id).getAuthorizable();
processor.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
});
// get the component state
final ComponentStateDTO state = serviceFacade.getProcessorState(id);
// generate the response entity
final ComponentStateEntity entity = new ComponentStateEntity();
entity.setComponentState(state);
// generate the response
return generateOkResponse(entity).build();
}
/**
* Clears the state for a processor.
*
* @param httpServletRequest servlet request
* @param id The id of the processor
* @return a componentStateEntity
* @throws InterruptedException if interrupted
*/
@POST
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}/state/clear-requests")
@ApiOperation(
value = "Clears the state for a processor",
response = ComponentStateEntity.class,
authorizations = {
@Authorization(value = "Write - /processors/{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 clearState(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(
value = "The processor id.",
required = true
)
@PathParam("id") final String id) throws InterruptedException {
if (isReplicateRequest()) {
return replicate(HttpMethod.POST);
}
final ProcessorEntity requestProcessorEntity = new ProcessorEntity();
requestProcessorEntity.setId(id);
return withWriteLock(
serviceFacade,
requestProcessorEntity,
lookup -> {
final Authorizable processor = lookup.getProcessor(id).getAuthorizable();
processor.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
},
() -> serviceFacade.verifyCanClearProcessorState(id),
(processorEntity) -> {
// get the component state
serviceFacade.clearProcessorState(processorEntity.getId());
// generate the response entity
final ComponentStateEntity entity = new ComponentStateEntity();
// generate the response
return generateOkResponse(entity).build();
}
);
}
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}/config/verification-requests")
@ApiOperation(
value = "Performs verification of the Processor's configuration",
response = VerifyProcessorConfigRequestEntity.class,
notes = "This will initiate the process of verifying a given Processor configuration. This may be a long-running task. As a result, this endpoint will immediately return a " +
"ProcessorConfigVerificationRequestEntity, and the process of performing the verification will occur asynchronously in the background. " +
"The client may then periodically poll the status of the request by " +
"issuing a GET request to /processors/{processorId}/verification-requests/{requestId}. Once the request is completed, the client is expected to issue a DELETE request to " +
"/processors/{processorId}/verification-requests/{requestId}.",
authorizations = {
@Authorization(value = "Read - /processors/{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 submitProcessorVerificationRequest(
@ApiParam(value = "The processor id.", required = true) @PathParam("id") final String processorId,
@ApiParam(value = "The processor configuration verification request.", required = true) final VerifyProcessorConfigRequestEntity processorConfigRequest) {
if (processorConfigRequest == null) {
throw new IllegalArgumentException("Processor's configuration must be specified");
}
final VerifyProcessorConfigRequestDTO requestDto = processorConfigRequest.getRequest();
if (requestDto == null || requestDto.getProcessorConfig() == null) {
throw new IllegalArgumentException("Processor's configuration must be specified");
}
if (requestDto.getProcessorId() == null) {
throw new IllegalArgumentException("Processor's identifier must be specified in the request");
}
if (!requestDto.getProcessorId().equals(processorId)) {
throw new IllegalArgumentException("Processor's identifier in the request must match the identifier provided in the URL");
}
if (isReplicateRequest()) {
return replicate(HttpMethod.POST, processorConfigRequest);
}
final NiFiUser user = NiFiUserUtils.getNiFiUser();
return withWriteLock(
serviceFacade,
processorConfigRequest,
lookup -> {
final ComponentAuthorizable processor = lookup.getProcessor(processorId);
processor.getAuthorizable().authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
},
() -> {
serviceFacade.verifyCanVerifyProcessorConfig(processorId);
},
entity -> performAsyncConfigVerification(entity, user)
);
}
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}/config/verification-requests/{requestId}")
@ApiOperation(
value = "Returns the Verification Request with the given ID",
response = VerifyProcessorConfigRequestEntity.class,
notes = "Returns the Verification Request with the given ID. Once an Verification Request has been created, "
+ "that request can subsequently be retrieved via this endpoint, and the request that is fetched will contain the updated state, such as percent complete, the "
+ "current state of the request, and any failures. ",
authorizations = {
@Authorization(value = "Only the user that submitted the request can get it")
})
@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 getVerificationRequest(
@ApiParam("The ID of the Processor") @PathParam("id") final String processorId,
@ApiParam("The ID of the Verification Request") @PathParam("requestId") final String requestId) {
if (isReplicateRequest()) {
return replicate(HttpMethod.GET);
}
final NiFiUser user = NiFiUserUtils.getNiFiUser();
// request manager will ensure that the current is the user that submitted this request
final AsynchronousWebRequest<VerifyProcessorConfigRequestEntity, List<ConfigVerificationResultDTO>> asyncRequest = updateRequestManager.getRequest(VERIFICATION_REQUEST_TYPE, requestId, user);
final VerifyProcessorConfigRequestEntity updateRequestEntity = createVerifyProcessorConfigRequestEntity(asyncRequest, requestId);
return generateOkResponse(updateRequestEntity).build();
}
@DELETE
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}/config/verification-requests/{requestId}")
@ApiOperation(
value = "Deletes the Verification Request with the given ID",
response = VerifyProcessorConfigRequestEntity.class,
notes = "Deletes the Verification Request with the given ID. After a request is created, it is expected "
+ "that the client will properly clean up the request by DELETE'ing it, once the Verification process has completed. If the request is deleted before the request "
+ "completes, then the Verification request will finish the step that it is currently performing and then will cancel any subsequent steps.",
authorizations = {
@Authorization(value = "Only the user that submitted the request can remove it")
})
@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 deleteVerificationRequest(
@ApiParam("The ID of the Processor") @PathParam("id") final String processorId,
@ApiParam("The ID of the Verification Request") @PathParam("requestId") final String requestId) {
if (isReplicateRequest()) {
return replicate(HttpMethod.DELETE);
}
final NiFiUser user = NiFiUserUtils.getNiFiUser();
final boolean twoPhaseRequest = isTwoPhaseRequest(httpServletRequest);
final boolean executionPhase = isExecutionPhase(httpServletRequest);
// If this is a standalone node, or if this is the execution phase of the request, perform the actual request.
if (!twoPhaseRequest || executionPhase) {
// request manager will ensure that the current is the user that submitted this request
final AsynchronousWebRequest<VerifyProcessorConfigRequestEntity, List<ConfigVerificationResultDTO>> asyncRequest =
updateRequestManager.removeRequest(VERIFICATION_REQUEST_TYPE, requestId, user);
if (!asyncRequest.isComplete()) {
asyncRequest.cancel();
}
final VerifyProcessorConfigRequestEntity updateRequestEntity = createVerifyProcessorConfigRequestEntity(asyncRequest, requestId);
return generateOkResponse(updateRequestEntity).build();
}
if (isValidationPhase(httpServletRequest)) {
// Perform authorization by attempting to get the request
updateRequestManager.getRequest(VERIFICATION_REQUEST_TYPE, requestId, user);
return generateContinueResponse().build();
} else if (isCancellationPhase(httpServletRequest)) {
return generateOkResponse().build();
} else {
throw new IllegalStateException("This request does not appear to be part of the two phase commit.");
}
}
/**
* Updates the specified processor with the specified values.
*
* @param httpServletRequest request
* @param id The id of the processor to update.
* @param requestProcessorEntity A processorEntity.
* @return A processorEntity.
*/
@PUT
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}")
@ApiOperation(
value = "Updates a processor",
response = ProcessorEntity.class,
authorizations = {
@Authorization(value = "Write - /processors/{uuid}"),
@Authorization(value = "Read - any referenced Controller Services if this request changes the reference - /controller-services/{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 updateProcessor(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(
value = "The processor id.",
required = true
)
@PathParam("id") final String id,
@ApiParam(
value = "The processor configuration details.",
required = true
) final ProcessorEntity requestProcessorEntity) {
if (requestProcessorEntity == null || requestProcessorEntity.getComponent() == null) {
throw new IllegalArgumentException("Processor details must be specified.");
}
if (requestProcessorEntity.getRevision() == null) {
throw new IllegalArgumentException("Revision must be specified.");
}
// ensure the same id is being used
final ProcessorDTO requestProcessorDTO = requestProcessorEntity.getComponent();
if (!id.equals(requestProcessorDTO.getId())) {
throw new IllegalArgumentException(String.format("The processor id (%s) in the request body does "
+ "not equal the processor id of the requested resource (%s).", requestProcessorDTO.getId(), id));
}
final PositionDTO proposedPosition = requestProcessorDTO.getPosition();
if (proposedPosition != null) {
if (proposedPosition.getX() == null || proposedPosition.getY() == null) {
throw new IllegalArgumentException("The x and y coordinate of the proposed position must be specified.");
}
}
if (isReplicateRequest()) {
return replicate(HttpMethod.PUT, requestProcessorEntity);
} else if (isDisconnectedFromCluster()) {
verifyDisconnectedNodeModification(requestProcessorEntity.isDisconnectedNodeAcknowledged());
}
// handle expects request (usually from the cluster manager)
final Revision requestRevision = getRevision(requestProcessorEntity, id);
return withWriteLock(
serviceFacade,
requestProcessorEntity,
requestRevision,
lookup -> {
final NiFiUser user = NiFiUserUtils.getNiFiUser();
final ComponentAuthorizable authorizable = lookup.getProcessor(id);
authorizable.getAuthorizable().authorize(authorizer, RequestAction.WRITE, user);
final ProcessorConfigDTO config = requestProcessorDTO.getConfig();
if (config != null) {
AuthorizeControllerServiceReference.authorizeControllerServiceReferences(config.getProperties(), authorizable, authorizer, lookup);
AuthorizeParameterReference.authorizeParameterReferences(config.getProperties(), authorizer, authorizable.getParameterContext(), user);
}
},
() -> serviceFacade.verifyUpdateProcessor(requestProcessorDTO),
(revision, processorEntity) -> {
final ProcessorDTO processorDTO = processorEntity.getComponent();
// update the processor
final ProcessorEntity entity = serviceFacade.updateProcessor(revision, processorDTO);
populateRemainingProcessorEntityContent(entity);
return generateOkResponse(entity).build();
}
);
}
/**
* Removes the specified processor.
*
* @param httpServletRequest request
* @param version The revision is used to verify the client is working with the latest version of the flow.
* @param clientId Optional client id. If the client id is not specified, a new one will be generated. This value (whether specified or generated) is included in the response.
* @param id The id of the processor to remove.
* @return A processorEntity.
* @throws InterruptedException if interrupted
*/
@DELETE
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}")
@ApiOperation(
value = "Deletes a processor",
response = ProcessorEntity.class,
authorizations = {
@Authorization(value = "Write - /processors/{uuid}"),
@Authorization(value = "Write - Parent Process Group - /process-groups/{uuid}"),
@Authorization(value = "Read - any referenced Controller Services - /controller-services/{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 deleteProcessor(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(
value = "The revision is used to verify the client is working with the latest version of the flow.",
required = false
)
@QueryParam(VERSION) final LongParameter version,
@ApiParam(
value = "If the client id is not specified, new one will be generated. This value (whether specified or generated) is included in the response.",
required = false
)
@QueryParam(CLIENT_ID) @DefaultValue(StringUtils.EMPTY) final ClientIdParameter clientId,
@ApiParam(
value = "Acknowledges that this node is disconnected to allow for mutable requests to proceed.",
required = false
)
@QueryParam(DISCONNECTED_NODE_ACKNOWLEDGED) @DefaultValue("false") final Boolean disconnectedNodeAcknowledged,
@ApiParam(
value = "The processor id.",
required = true
)
@PathParam("id") final String id) throws InterruptedException {
if (isReplicateRequest()) {
return replicate(HttpMethod.DELETE);
} else if (isDisconnectedFromCluster()) {
verifyDisconnectedNodeModification(disconnectedNodeAcknowledged);
}
final ProcessorEntity requestProcessorEntity = new ProcessorEntity();
requestProcessorEntity.setId(id);
final Revision requestRevision = new Revision(version == null ? null : version.getLong(), clientId.getClientId(), id);
return withWriteLock(
serviceFacade,
requestProcessorEntity,
requestRevision,
lookup -> {
final ComponentAuthorizable processor = lookup.getProcessor(id);
// ensure write permission to the processor
processor.getAuthorizable().authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
// ensure write permission to the parent process group
processor.getAuthorizable().getParentAuthorizable().authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
// verify any referenced services
AuthorizeControllerServiceReference.authorizeControllerServiceReferences(processor, authorizer, lookup, false);
},
() -> serviceFacade.verifyDeleteProcessor(id),
(revision, processorEntity) -> {
// delete the processor
final ProcessorEntity entity = serviceFacade.deleteProcessor(revision, processorEntity.getId());
// generate the response
return generateOkResponse(entity).build();
}
);
}
/**
* Updates the operational status for the specified processor with the specified values.
*
* @param httpServletRequest request
* @param id The id of the processor to update.
* @param requestRunStatus A processorEntity.
* @return A processorEntity.
*/
@PUT
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}/run-status")
@ApiOperation(
value = "Updates run status of a processor",
response = ProcessorEntity.class,
authorizations = {
@Authorization(value = "Write - /processors/{uuid} or /operation/processors/{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 updateRunStatus(
@Context final HttpServletRequest httpServletRequest,
@ApiParam(
value = "The processor id.",
required = true
)
@PathParam("id") final String id,
@ApiParam(
value = "The processor run status.",
required = true
) final ProcessorRunStatusEntity requestRunStatus) {
if (requestRunStatus == null) {
throw new IllegalArgumentException("Processor run status must be specified.");
}
if (requestRunStatus.getRevision() == null) {
throw new IllegalArgumentException("Revision must be specified.");
}
requestRunStatus.validateState();
if (isReplicateRequest()) {
return replicate(HttpMethod.PUT, requestRunStatus);
} else if (isDisconnectedFromCluster()) {
verifyDisconnectedNodeModification(requestRunStatus.isDisconnectedNodeAcknowledged());
}
// handle expects request (usually from the cluster manager)
final Revision requestRevision = getRevision(requestRunStatus.getRevision(), id);
return withWriteLock(
serviceFacade,
requestRunStatus,
requestRevision,
lookup -> {
final NiFiUser user = NiFiUserUtils.getNiFiUser();
final Authorizable authorizable = lookup.getProcessor(id).getAuthorizable();
OperationAuthorizable.authorizeOperation(authorizable, authorizer, user);
},
() -> serviceFacade.verifyUpdateProcessor(createDTOWithDesiredRunStatus(id, requestRunStatus.getState())),
(revision, runStatusEntity) -> {
// update the processor
final ProcessorEntity entity = serviceFacade.updateProcessor(revision, createDTOWithDesiredRunStatus(id, runStatusEntity.getState()));
populateRemainingProcessorEntityContent(entity);
return generateOkResponse(entity).build();
}
);
}
private ProcessorDTO createDTOWithDesiredRunStatus(final String id, final String runStatus) {
final ProcessorDTO dto = new ProcessorDTO();
dto.setId(id);
dto.setState(runStatus);
return dto;
}
public Response performAsyncConfigVerification(final VerifyProcessorConfigRequestEntity processorConfigRequest, final NiFiUser user) {
// Create an asynchronous request that will occur in the background, because this request may take an indeterminate amount of time.
final String requestId = generateUuid();
logger.debug("Generated Config Verification Request with ID {} for Processor {}", requestId, processorConfigRequest.getRequest().getProcessorId());
final VerifyProcessorConfigRequestDTO requestDto = processorConfigRequest.getRequest();
final String processorId = requestDto.getProcessorId();
final List<UpdateStep> updateSteps = Collections.singletonList(new StandardUpdateStep("Verify Processor Configuration"));
final AsynchronousWebRequest<VerifyProcessorConfigRequestEntity, List<ConfigVerificationResultDTO>> request =
new StandardAsynchronousWebRequest<>(requestId, processorConfigRequest, processorId, user, updateSteps);
// Submit the request to be performed in the background
final Consumer<AsynchronousWebRequest<VerifyProcessorConfigRequestEntity, List<ConfigVerificationResultDTO>>> updateTask = asyncRequest -> {
try {
final Map<String, String> attributes = requestDto.getAttributes() == null ? Collections.emptyMap() : requestDto.getAttributes();
final List<ConfigVerificationResultDTO> results = serviceFacade.verifyProcessorConfiguration(processorId, requestDto.getProcessorConfig(), attributes);
asyncRequest.markStepComplete(results);
} catch (final Exception e) {
logger.error("Failed to verify Processor configuration", e);
asyncRequest.fail("Failed to verify Processor configuration due to " + e);
}
};
updateRequestManager.submitRequest(VERIFICATION_REQUEST_TYPE, requestId, request, updateTask);
// Generate the response
final VerifyProcessorConfigRequestEntity resultsEntity = createVerifyProcessorConfigRequestEntity(request, requestId);
return generateOkResponse(resultsEntity).build();
}
private VerifyProcessorConfigRequestEntity createVerifyProcessorConfigRequestEntity(
final AsynchronousWebRequest<VerifyProcessorConfigRequestEntity, List<ConfigVerificationResultDTO>> asyncRequest,
final String requestId) {
final VerifyProcessorConfigRequestDTO requestDto = asyncRequest.getRequest().getRequest();
final List<ConfigVerificationResultDTO> resultsList = asyncRequest.getResults();
final VerifyProcessorConfigRequestDTO dto = new VerifyProcessorConfigRequestDTO();
dto.setProcessorId(requestDto.getProcessorId());
dto.setProcessorConfig(requestDto.getProcessorConfig());
dto.setResults(resultsList);
dto.setComplete(resultsList != null);
dto.setFailureReason(asyncRequest.getFailureReason());
dto.setLastUpdated(asyncRequest.getLastUpdated());
dto.setPercentCompleted(asyncRequest.getPercentComplete());
dto.setRequestId(requestId);
dto.setState(asyncRequest.getState());
dto.setUri(generateResourceUri("processors", requestDto.getProcessorId(), "config", "verification-requests", requestId));
final VerifyProcessorConfigRequestEntity entity = new VerifyProcessorConfigRequestEntity();
entity.setRequest(dto);
return entity;
}
// setters
public void setServiceFacade(NiFiServiceFacade serviceFacade) {
this.serviceFacade = serviceFacade;
}
public void setAuthorizer(Authorizer authorizer) {
this.authorizer = authorizer;
}
}