Examples with ApiParam io.swagger.annotations.ApiParam used on opensource projects

Example 36 with ApiParam

use of io.swagger.annotations.ApiParam in project nifi by apache.

the class SnippetResource method deleteSnippet.

/**
 * Removes the specified snippet.
 *
 * @param httpServletRequest request
 * @param snippetId          The id of the snippet to remove.
 * @return A entity containing the client id and an updated revision.
 */
@DELETE
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}")
@ApiOperation(value = "Deletes the components in a snippet and discards the snippet", response = SnippetEntity.class, authorizations = { @Authorization(value = "Write - /{component-type}/{uuid} - For each component in the Snippet and their descendant components"), @Authorization(value = "Write - Parent Process Group - /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 deleteSnippet(@Context final HttpServletRequest httpServletRequest, @ApiParam(value = "The snippet id.", required = true) @PathParam("id") final String snippetId) {
    if (isReplicateRequest()) {
        return replicate(HttpMethod.DELETE);
    }
    final ComponentEntity requestEntity = new ComponentEntity();
    requestEntity.setId(snippetId);
    // get the revision from this snippet
    final Set<Revision> requestRevisions = serviceFacade.getRevisionsFromSnippet(snippetId);
    return withWriteLock(serviceFacade, requestEntity, requestRevisions, lookup -> {
        // ensure write permission to every component in the snippet excluding referenced services
        final SnippetAuthorizable snippet = lookup.getSnippet(snippetId);
        authorizeSnippet(snippet, authorizer, lookup, RequestAction.WRITE, true, false);
        // ensure write permission to the parent process group
        snippet.getParentProcessGroup().authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
    }, () -> serviceFacade.verifyDeleteSnippet(snippetId, requestRevisions.stream().map(rev -> rev.getComponentId()).collect(Collectors.toSet())), (revisions, entity) -> {
        // delete the specified snippet
        final SnippetEntity snippetEntity = serviceFacade.deleteSnippet(revisions, entity.getId());
        return generateOkResponse(snippetEntity).build();
    });
}

Example 37 with ApiParam

use of io.swagger.annotations.ApiParam in project nifi by apache.

the class SnippetResource method updateSnippet.

/**
 * Move's the components in this Snippet into a new Process Group.
 *
 * @param httpServletRequest request
 * @param snippetId          The id of the snippet.
 * @param requestSnippetEntity      A snippetEntity
 * @return A snippetEntity
 */
@PUT
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}")
@ApiOperation(value = "Move's the components in this Snippet into a new Process Group and discards the snippet", response = SnippetEntity.class, authorizations = { @Authorization(value = "Write Process Group - /process-groups/{uuid}"), @Authorization(value = "Write - /{component-type}/{uuid} - For each component in the Snippet and their descendant components") })
@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 updateSnippet(@Context HttpServletRequest httpServletRequest, @ApiParam(value = "The snippet id.", required = true) @PathParam("id") String snippetId, @ApiParam(value = "The snippet configuration details.", required = true) final SnippetEntity requestSnippetEntity) {
    if (requestSnippetEntity == null || requestSnippetEntity.getSnippet() == null) {
        throw new IllegalArgumentException("Snippet details must be specified.");
    }
    // ensure the ids are the same
    final SnippetDTO requestSnippetDTO = requestSnippetEntity.getSnippet();
    if (!snippetId.equals(requestSnippetDTO.getId())) {
        throw new IllegalArgumentException(String.format("The snippet id (%s) in the request body does not equal the " + "snippet id of the requested resource (%s).", requestSnippetDTO.getId(), snippetId));
    }
    if (isReplicateRequest()) {
        return replicate(HttpMethod.PUT, requestSnippetEntity);
    }
    // get the revision from this snippet
    final Set<Revision> requestRevisions = serviceFacade.getRevisionsFromSnippet(snippetId);
    return withWriteLock(serviceFacade, requestSnippetEntity, requestRevisions, lookup -> {
        // ensure write access to the target process group
        if (requestSnippetDTO.getParentGroupId() != null) {
            lookup.getProcessGroup(requestSnippetDTO.getParentGroupId()).getAuthorizable().authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
        }
        // ensure write permission to every component in the snippet excluding referenced services
        final SnippetAuthorizable snippet = lookup.getSnippet(snippetId);
        authorizeSnippet(snippet, authorizer, lookup, RequestAction.WRITE, false, false);
    }, () -> serviceFacade.verifyUpdateSnippet(requestSnippetDTO, requestRevisions.stream().map(rev -> rev.getComponentId()).collect(Collectors.toSet())), (revisions, snippetEntity) -> {
        // update the snippet
        final SnippetEntity entity = serviceFacade.updateSnippet(revisions, snippetEntity.getSnippet());
        populateRemainingSnippetEntityContent(entity);
        return generateOkResponse(entity).build();
    });
}

Example 38 with ApiParam

use of io.swagger.annotations.ApiParam in project nifi by apache.

the class VersionsResource method initiateVersionControlUpdate.

@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("update-requests/process-groups/{id}")
@ApiOperation(value = "Initiate the Update Request of a Process Group with the given ID", response = VersionedFlowUpdateRequestEntity.class, notes = "For a Process Group that is already under Version Control, this will initiate the action of changing " + "from a specific version of the flow in the Flow Registry to a different version of the flow. This can be a lengthy " + "process, as it will stop any Processors and disable any Controller Services necessary to perform the action and then restart them. As a result, " + "the endpoint will immediately return a VersionedFlowUpdateRequestEntity, and the process of updating the flow will occur " + "asynchronously in the background. The client may then periodically poll the status of the request by issuing a GET request to " + "/versions/update-requests/{requestId}. Once the request is completed, the client is expected to issue a DELETE request to " + "/versions/update-requests/{requestId}. " + NON_GUARANTEED_ENDPOINT, authorizations = { @Authorization(value = "Read - /process-groups/{uuid}"), @Authorization(value = "Write - /process-groups/{uuid}"), @Authorization(value = "Read - /{component-type}/{uuid} - For all encapsulated components"), @Authorization(value = "Write - /{component-type}/{uuid} - For all encapsulated components"), @Authorization(value = "Write - if the template contains any restricted components - /restricted-components") })
@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 initiateVersionControlUpdate(@ApiParam("The process group id.") @PathParam("id") final String groupId, @ApiParam(value = "The controller service configuration details.", required = true) final VersionControlInformationEntity requestEntity) {
    // Verify the request
    final RevisionDTO revisionDto = requestEntity.getProcessGroupRevision();
    if (revisionDto == null) {
        throw new IllegalArgumentException("Process Group Revision must be specified");
    }
    final VersionControlInformationDTO requestVersionControlInfoDto = requestEntity.getVersionControlInformation();
    if (requestVersionControlInfoDto == null) {
        throw new IllegalArgumentException("Version Control Information must be supplied.");
    }
    if (requestVersionControlInfoDto.getGroupId() == null) {
        throw new IllegalArgumentException("The Process Group ID must be supplied.");
    }
    if (!requestVersionControlInfoDto.getGroupId().equals(groupId)) {
        throw new IllegalArgumentException("The Process Group ID in the request body does not match the Process Group ID of the requested resource.");
    }
    if (requestVersionControlInfoDto.getBucketId() == null) {
        throw new IllegalArgumentException("The Bucket ID must be supplied.");
    }
    if (requestVersionControlInfoDto.getFlowId() == null) {
        throw new IllegalArgumentException("The Flow ID must be supplied.");
    }
    if (requestVersionControlInfoDto.getRegistryId() == null) {
        throw new IllegalArgumentException("The Registry ID must be supplied.");
    }
    if (requestVersionControlInfoDto.getVersion() == null) {
        throw new IllegalArgumentException("The Version of the flow must be supplied.");
    }
    // We will perform the updating of the Versioned Flow in a background thread because it can be a long-running process.
    // In order to do this, we will need some parameters that are only available as Thread-Local variables to the current
    // thread, so we will gather the values for these parameters up front.
    final boolean replicateRequest = isReplicateRequest();
    final ComponentLifecycle componentLifecycle = replicateRequest ? clusterComponentLifecycle : localComponentLifecycle;
    final NiFiUser user = NiFiUserUtils.getNiFiUser();
    // Workflow for this process:
    // 0. Obtain the versioned flow snapshot to use for the update
    // a. Contact registry to download the desired version.
    // b. Get Variable Registry of this Process Group and all ancestor groups
    // c. Perform diff to find any new variables
    // d. Get Variable Registry of any child Process Group in the versioned flow
    // e. Perform diff to find any new variables
    // f. Prompt user to fill in values for all new variables
    // 1. Determine which components would be affected (and are enabled/running)
    // a. Component itself is modified in some way, other than position changing.
    // b. Source and Destination of any Connection that is modified.
    // c. Any Processor or Controller Service that references a Controller Service that is modified.
    // 2. Verify READ and WRITE permissions for user, for every component.
    // 3. Verify that all components in the snapshot exist on all nodes (i.e., the NAR exists)?
    // 4. Verify that Process Group is already under version control. If not, must start Version Control instead of updateFlow
    // 5. Verify that Process Group is not 'dirty'.
    // 6. Stop all Processors, Funnels, Ports that are affected.
    // 7. Wait for all of the components to finish stopping.
    // 8. Disable all Controller Services that are affected.
    // 9. Wait for all Controller Services to finish disabling.
    // 10. Ensure that if any connection was deleted, that it has no data in it. Ensure that no Input Port
    // was removed, unless it currently has no incoming connections. Ensure that no Output Port was removed,
    // unless it currently has no outgoing connections. Checking ports & connections could be done before
    // stopping everything, but removal of Connections cannot.
    // 11. Update variable registry to include new variables
    // (only new variables so don't have to worry about affected components? Or do we need to in case a processor
    // is already referencing the variable? In which case we need to include the affected components above in the
    // Set of affected components before stopping/disabling.).
    // 12. Update components in the Process Group; update Version Control Information.
    // 13. Re-Enable all affected Controller Services that were not removed.
    // 14. Re-Start all Processors, Funnels, Ports that are affected and not removed.
    // Step 0: Get the Versioned Flow Snapshot from the Flow Registry
    final VersionedFlowSnapshot flowSnapshot = serviceFacade.getVersionedFlowSnapshot(requestEntity.getVersionControlInformation(), true);
    // The flow in the registry may not contain the same versions of components that we have in our flow. As a result, we need to update
    // the flow snapshot to contain compatible bundles.
    BundleUtils.discoverCompatibleBundles(flowSnapshot.getFlowContents());
    // Step 1: Determine which components will be affected by updating the version
    final Set<AffectedComponentEntity> affectedComponents = serviceFacade.getComponentsAffectedByVersionChange(groupId, flowSnapshot, user);
    // build a request wrapper
    final InitiateChangeFlowVersionRequestWrapper requestWrapper = new InitiateChangeFlowVersionRequestWrapper(requestEntity, componentLifecycle, getAbsolutePath(), affectedComponents, replicateRequest, flowSnapshot);
    final Revision requestRevision = getRevision(requestEntity.getProcessGroupRevision(), groupId);
    return withWriteLock(serviceFacade, requestWrapper, requestRevision, lookup -> {
        // Step 2: Verify READ and WRITE permissions for user, for every component.
        final ProcessGroupAuthorizable groupAuthorizable = lookup.getProcessGroup(groupId);
        authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.READ, true, false, true, true);
        authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.WRITE, true, false, true, true);
        final VersionedProcessGroup groupContents = flowSnapshot.getFlowContents();
        final Set<ConfigurableComponent> restrictedComponents = FlowRegistryUtils.getRestrictedComponents(groupContents);
        restrictedComponents.forEach(restrictedComponent -> {
            final ComponentAuthorizable restrictedComponentAuthorizable = lookup.getConfigurableComponent(restrictedComponent);
            authorizeRestrictions(authorizer, restrictedComponentAuthorizable);
        });
    }, () -> {
        // Step 3: Verify that all components in the snapshot exist on all nodes
        // Step 4: Verify that Process Group is already under version control. If not, must start Version Control instead of updating flow
        // Step 5: Verify that Process Group is not 'dirty'
        serviceFacade.verifyCanUpdate(groupId, flowSnapshot, false, true);
    }, (revision, wrapper) -> {
        final String idGenerationSeed = getIdGenerationSeed().orElse(null);
        // Create an asynchronous request that will occur in the background, because this request may
        // result in stopping components, which can take an indeterminate amount of time.
        final String requestId = UUID.randomUUID().toString();
        final AsynchronousWebRequest<VersionControlInformationEntity> request = new StandardAsynchronousWebRequest<>(requestId, groupId, user, "Stopping Affected Processors");
        // Submit the request to be performed in the background
        final Consumer<AsynchronousWebRequest<VersionControlInformationEntity>> updateTask = vcur -> {
            try {
                final VersionControlInformationEntity updatedVersionControlEntity = updateFlowVersion(groupId, wrapper.getComponentLifecycle(), wrapper.getExampleUri(), wrapper.getAffectedComponents(), user, wrapper.isReplicateRequest(), revision, wrapper.getVersionControlInformationEntity(), wrapper.getFlowSnapshot(), request, idGenerationSeed, true, true);
                vcur.markComplete(updatedVersionControlEntity);
            } catch (final ResumeFlowException rfe) {
                // Treat ResumeFlowException differently because we don't want to include a message that we couldn't update the flow
                // since in this case the flow was successfully updated - we just couldn't re-enable the components.
                logger.error(rfe.getMessage(), rfe);
                vcur.setFailureReason(rfe.getMessage());
            } catch (final Exception e) {
                logger.error("Failed to update flow to new version", e);
                vcur.setFailureReason("Failed to update flow to new version due to " + e);
            }
        };
        requestManager.submitRequest("update-requests", requestId, request, updateTask);
        // Generate the response.
        final VersionedFlowUpdateRequestDTO updateRequestDto = new VersionedFlowUpdateRequestDTO();
        updateRequestDto.setComplete(request.isComplete());
        updateRequestDto.setFailureReason(request.getFailureReason());
        updateRequestDto.setLastUpdated(request.getLastUpdated());
        updateRequestDto.setProcessGroupId(groupId);
        updateRequestDto.setRequestId(requestId);
        updateRequestDto.setUri(generateResourceUri("versions", "update-requests", requestId));
        updateRequestDto.setPercentCompleted(request.getPercentComplete());
        updateRequestDto.setState(request.getState());
        final VersionedFlowUpdateRequestEntity updateRequestEntity = new VersionedFlowUpdateRequestEntity();
        final RevisionDTO groupRevision = serviceFacade.getProcessGroup(groupId).getRevision();
        updateRequestEntity.setProcessGroupRevision(groupRevision);
        updateRequestEntity.setRequest(updateRequestDto);
        return generateOkResponse(updateRequestEntity).build();
    });
}

Example 39 with ApiParam

use of io.swagger.annotations.ApiParam in project nifi by apache.

the class VersionsResource method initiateRevertFlowVersion.

@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("revert-requests/process-groups/{id}")
@ApiOperation(value = "Initiate the Revert Request of a Process Group with the given ID", response = VersionedFlowUpdateRequestEntity.class, notes = "For a Process Group that is already under Version Control, this will initiate the action of reverting " + "any local changes that have been made to the Process Group since it was last synchronized with the Flow Registry. This will result in the " + "flow matching the Versioned Flow that exists in the Flow Registry. This can be a lengthy " + "process, as it will stop any Processors and disable any Controller Services necessary to perform the action and then restart them. As a result, " + "the endpoint will immediately return a VersionedFlowUpdateRequestEntity, and the process of updating the flow will occur " + "asynchronously in the background. The client may then periodically poll the status of the request by issuing a GET request to " + "/versions/revert-requests/{requestId}. Once the request is completed, the client is expected to issue a DELETE request to " + "/versions/revert-requests/{requestId}. " + NON_GUARANTEED_ENDPOINT, authorizations = { @Authorization(value = "Read - /process-groups/{uuid}"), @Authorization(value = "Write - /process-groups/{uuid}"), @Authorization(value = "Read - /{component-type}/{uuid} - For all encapsulated components"), @Authorization(value = "Write - /{component-type}/{uuid} - For all encapsulated components"), @Authorization(value = "Write - if the template contains any restricted components - /restricted-components") })
@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 initiateRevertFlowVersion(@ApiParam("The process group id.") @PathParam("id") final String groupId, @ApiParam(value = "The controller service configuration details.", required = true) final VersionControlInformationEntity requestEntity) throws IOException {
    // Verify the request
    final RevisionDTO revisionDto = requestEntity.getProcessGroupRevision();
    if (revisionDto == null) {
        throw new IllegalArgumentException("Process Group Revision must be specified");
    }
    final VersionControlInformationDTO requestVersionControlInfoDto = requestEntity.getVersionControlInformation();
    if (requestVersionControlInfoDto == null) {
        throw new IllegalArgumentException("Version Control Information must be supplied.");
    }
    if (requestVersionControlInfoDto.getGroupId() == null) {
        throw new IllegalArgumentException("The Process Group ID must be supplied.");
    }
    if (!requestVersionControlInfoDto.getGroupId().equals(groupId)) {
        throw new IllegalArgumentException("The Process Group ID in the request body does not match the Process Group ID of the requested resource.");
    }
    if (requestVersionControlInfoDto.getBucketId() == null) {
        throw new IllegalArgumentException("The Bucket ID must be supplied.");
    }
    if (requestVersionControlInfoDto.getFlowId() == null) {
        throw new IllegalArgumentException("The Flow ID must be supplied.");
    }
    if (requestVersionControlInfoDto.getRegistryId() == null) {
        throw new IllegalArgumentException("The Registry ID must be supplied.");
    }
    if (requestVersionControlInfoDto.getVersion() == null) {
        throw new IllegalArgumentException("The Version of the flow must be supplied.");
    }
    // We will perform the updating of the Versioned Flow in a background thread because it can be a long-running process.
    // In order to do this, we will need some parameters that are only available as Thread-Local variables to the current
    // thread, so we will gather the values for these parameters up front.
    final boolean replicateRequest = isReplicateRequest();
    final ComponentLifecycle componentLifecycle = replicateRequest ? clusterComponentLifecycle : localComponentLifecycle;
    final NiFiUser user = NiFiUserUtils.getNiFiUser();
    // Step 0: Get the Versioned Flow Snapshot from the Flow Registry
    final VersionedFlowSnapshot flowSnapshot = serviceFacade.getVersionedFlowSnapshot(requestEntity.getVersionControlInformation(), true);
    // The flow in the registry may not contain the same versions of components that we have in our flow. As a result, we need to update
    // the flow snapshot to contain compatible bundles.
    BundleUtils.discoverCompatibleBundles(flowSnapshot.getFlowContents());
    // Step 1: Determine which components will be affected by updating the version
    final Set<AffectedComponentEntity> affectedComponents = serviceFacade.getComponentsAffectedByVersionChange(groupId, flowSnapshot, user);
    // build a request wrapper
    final InitiateChangeFlowVersionRequestWrapper requestWrapper = new InitiateChangeFlowVersionRequestWrapper(requestEntity, componentLifecycle, getAbsolutePath(), affectedComponents, replicateRequest, flowSnapshot);
    final Revision requestRevision = getRevision(requestEntity.getProcessGroupRevision(), groupId);
    return withWriteLock(serviceFacade, requestWrapper, requestRevision, lookup -> {
        // Step 2: Verify READ and WRITE permissions for user, for every component.
        final ProcessGroupAuthorizable groupAuthorizable = lookup.getProcessGroup(groupId);
        authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.READ, true, false, true, true);
        authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.WRITE, true, false, true, true);
        final VersionedProcessGroup groupContents = flowSnapshot.getFlowContents();
        final Set<ConfigurableComponent> restrictedComponents = FlowRegistryUtils.getRestrictedComponents(groupContents);
        restrictedComponents.forEach(restrictedComponent -> {
            final ComponentAuthorizable restrictedComponentAuthorizable = lookup.getConfigurableComponent(restrictedComponent);
            authorizeRestrictions(authorizer, restrictedComponentAuthorizable);
        });
    }, () -> {
        // Step 3: Verify that all components in the snapshot exist on all nodes
        // Step 4: Verify that Process Group is already under version control. If not, must start Version Control instead of updating flow
        serviceFacade.verifyCanRevertLocalModifications(groupId, flowSnapshot);
    }, (revision, wrapper) -> {
        final VersionControlInformationEntity versionControlInformationEntity = wrapper.getVersionControlInformationEntity();
        final VersionControlInformationDTO versionControlInformationDTO = versionControlInformationEntity.getVersionControlInformation();
        // Ensure that the information passed in is correct
        final VersionControlInformationEntity currentVersionEntity = serviceFacade.getVersionControlInformation(groupId);
        if (currentVersionEntity == null) {
            throw new IllegalStateException("Process Group cannot be reverted to the previous version of the flow because Process Group is not under Version Control.");
        }
        final VersionControlInformationDTO currentVersion = currentVersionEntity.getVersionControlInformation();
        if (!currentVersion.getBucketId().equals(versionControlInformationDTO.getBucketId())) {
            throw new IllegalArgumentException("The Version Control Information provided does not match the flow that the Process Group is currently synchronized with.");
        }
        if (!currentVersion.getFlowId().equals(versionControlInformationDTO.getFlowId())) {
            throw new IllegalArgumentException("The Version Control Information provided does not match the flow that the Process Group is currently synchronized with.");
        }
        if (!currentVersion.getRegistryId().equals(versionControlInformationDTO.getRegistryId())) {
            throw new IllegalArgumentException("The Version Control Information provided does not match the flow that the Process Group is currently synchronized with.");
        }
        if (!currentVersion.getVersion().equals(versionControlInformationDTO.getVersion())) {
            throw new IllegalArgumentException("The Version Control Information provided does not match the flow that the Process Group is currently synchronized with.");
        }
        final String idGenerationSeed = getIdGenerationSeed().orElse(null);
        // Create an asynchronous request that will occur in the background, because this request may
        // result in stopping components, which can take an indeterminate amount of time.
        final String requestId = UUID.randomUUID().toString();
        final AsynchronousWebRequest<VersionControlInformationEntity> request = new StandardAsynchronousWebRequest<>(requestId, groupId, user, "Stopping Affected Processors");
        // Submit the request to be performed in the background
        final Consumer<AsynchronousWebRequest<VersionControlInformationEntity>> updateTask = vcur -> {
            try {
                final VersionControlInformationEntity updatedVersionControlEntity = updateFlowVersion(groupId, wrapper.getComponentLifecycle(), wrapper.getExampleUri(), wrapper.getAffectedComponents(), user, wrapper.isReplicateRequest(), revision, versionControlInformationEntity, wrapper.getFlowSnapshot(), request, idGenerationSeed, false, true);
                vcur.markComplete(updatedVersionControlEntity);
            } catch (final ResumeFlowException rfe) {
                // Treat ResumeFlowException differently because we don't want to include a message that we couldn't update the flow
                // since in this case the flow was successfully updated - we just couldn't re-enable the components.
                logger.error(rfe.getMessage(), rfe);
                vcur.setFailureReason(rfe.getMessage());
            } catch (final Exception e) {
                logger.error("Failed to update flow to new version", e);
                vcur.setFailureReason("Failed to update flow to new version due to " + e.getMessage());
            }
        };
        requestManager.submitRequest("revert-requests", requestId, request, updateTask);
        // Generate the response.
        final VersionedFlowUpdateRequestDTO updateRequestDto = new VersionedFlowUpdateRequestDTO();
        updateRequestDto.setComplete(request.isComplete());
        updateRequestDto.setFailureReason(request.getFailureReason());
        updateRequestDto.setLastUpdated(request.getLastUpdated());
        updateRequestDto.setProcessGroupId(groupId);
        updateRequestDto.setRequestId(requestId);
        updateRequestDto.setState(request.getState());
        updateRequestDto.setPercentCompleted(request.getPercentComplete());
        updateRequestDto.setUri(generateResourceUri("versions", "revert-requests", requestId));
        final VersionedFlowUpdateRequestEntity updateRequestEntity = new VersionedFlowUpdateRequestEntity();
        final RevisionDTO groupRevision = serviceFacade.getProcessGroup(groupId).getRevision();
        updateRequestEntity.setProcessGroupRevision(groupRevision);
        updateRequestEntity.setRequest(updateRequestDto);
        return generateOkResponse(updateRequestEntity).build();
    });
}

Example 40 with ApiParam

use of io.swagger.annotations.ApiParam in project nifi by apache.

the class FlowResource method scheduleComponents.

/**
 * Updates the specified process group.
 *
 * @param httpServletRequest       request
 * @param id                       The id of the process group.
 * @param requestScheduleComponentsEntity A scheduleComponentsEntity.
 * @return A processGroupEntity.
 */
@PUT
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("process-groups/{id}")
@ApiOperation(value = "Schedule or unschedule components in the specified Process Group.", response = ScheduleComponentsEntity.class, authorizations = { @Authorization(value = "Read - /flow"), @Authorization(value = "Write - /{component-type}/{uuid} - For every component being scheduled/unscheduled") })
@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 scheduleComponents(@Context HttpServletRequest httpServletRequest, @ApiParam(value = "The process group id.", required = true) @PathParam("id") String id, @ApiParam(value = "The request to schedule or unschedule. If the comopnents in the request are not specified, all authorized components will be considered.", required = true) final ScheduleComponentsEntity requestScheduleComponentsEntity) {
    // ensure the same id is being used
    if (!id.equals(requestScheduleComponentsEntity.getId())) {
        throw new IllegalArgumentException(String.format("The process group id (%s) in the request body does " + "not equal the process group id of the requested resource (%s).", requestScheduleComponentsEntity.getId(), id));
    }
    final ScheduledState state;
    if (requestScheduleComponentsEntity.getState() == null) {
        throw new IllegalArgumentException("The scheduled state must be specified.");
    } else {
        try {
            state = ScheduledState.valueOf(requestScheduleComponentsEntity.getState());
        } catch (final IllegalArgumentException iae) {
            throw new IllegalArgumentException(String.format("The scheduled must be one of [%s].", StringUtils.join(EnumSet.of(ScheduledState.RUNNING, ScheduledState.STOPPED), ", ")));
        }
    }
    // ensure its a supported scheduled state
    if (ScheduledState.DISABLED.equals(state) || ScheduledState.STARTING.equals(state) || ScheduledState.STOPPING.equals(state)) {
        throw new IllegalArgumentException(String.format("The scheduled must be one of [%s].", StringUtils.join(EnumSet.of(ScheduledState.RUNNING, ScheduledState.STOPPED), ", ")));
    }
    // if the components are not specified, gather all components and their current revision
    if (requestScheduleComponentsEntity.getComponents() == null) {
        // get the current revisions for the components being updated
        final Set<Revision> revisions = serviceFacade.getRevisionsFromGroup(id, group -> {
            final Set<String> componentIds = new HashSet<>();
            // ensure authorized for each processor we will attempt to schedule
            group.findAllProcessors().stream().filter(ScheduledState.RUNNING.equals(state) ? ProcessGroup.SCHEDULABLE_PROCESSORS : ProcessGroup.UNSCHEDULABLE_PROCESSORS).filter(processor -> processor.isAuthorized(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser())).forEach(processor -> {
                componentIds.add(processor.getIdentifier());
            });
            // ensure authorized for each input port we will attempt to schedule
            group.findAllInputPorts().stream().filter(ScheduledState.RUNNING.equals(state) ? ProcessGroup.SCHEDULABLE_PORTS : ProcessGroup.UNSCHEDULABLE_PORTS).filter(inputPort -> inputPort.isAuthorized(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser())).forEach(inputPort -> {
                componentIds.add(inputPort.getIdentifier());
            });
            // ensure authorized for each output port we will attempt to schedule
            group.findAllOutputPorts().stream().filter(ScheduledState.RUNNING.equals(state) ? ProcessGroup.SCHEDULABLE_PORTS : ProcessGroup.UNSCHEDULABLE_PORTS).filter(outputPort -> outputPort.isAuthorized(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser())).forEach(outputPort -> {
                componentIds.add(outputPort.getIdentifier());
            });
            return componentIds;
        });
        // build the component mapping
        final Map<String, RevisionDTO> componentsToSchedule = new HashMap<>();
        revisions.forEach(revision -> {
            final RevisionDTO dto = new RevisionDTO();
            dto.setClientId(revision.getClientId());
            dto.setVersion(revision.getVersion());
            componentsToSchedule.put(revision.getComponentId(), dto);
        });
        // set the components and their current revision
        requestScheduleComponentsEntity.setComponents(componentsToSchedule);
    }
    if (isReplicateRequest()) {
        return replicate(HttpMethod.PUT, requestScheduleComponentsEntity);
    }
    final Map<String, RevisionDTO> requestComponentsToSchedule = requestScheduleComponentsEntity.getComponents();
    final Map<String, Revision> requestComponentRevisions = requestComponentsToSchedule.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, e -> getRevision(e.getValue(), e.getKey())));
    final Set<Revision> requestRevisions = new HashSet<>(requestComponentRevisions.values());
    return withWriteLock(serviceFacade, requestScheduleComponentsEntity, requestRevisions, lookup -> {
        // ensure access to the flow
        authorizeFlow();
        // ensure access to every component being scheduled
        requestComponentsToSchedule.keySet().forEach(componentId -> {
            final Authorizable connectable = lookup.getLocalConnectable(componentId);
            connectable.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
        });
    }, () -> serviceFacade.verifyScheduleComponents(id, state, requestComponentRevisions.keySet()), (revisions, scheduleComponentsEntity) -> {
        final ScheduledState scheduledState = ScheduledState.valueOf(scheduleComponentsEntity.getState());
        final Map<String, RevisionDTO> componentsToSchedule = scheduleComponentsEntity.getComponents();
        final Map<String, Revision> componentRevisions = componentsToSchedule.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, e -> getRevision(e.getValue(), e.getKey())));
        // update the process group
        final ScheduleComponentsEntity entity = serviceFacade.scheduleComponents(id, scheduledState, componentRevisions);
        return generateOkResponse(entity).build();
    });
}