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

Example 1 with SnippetDTO

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

the class StandardNiFiServiceFacade method deleteSnippet.

@Override
public SnippetEntity deleteSnippet(final Set<Revision> revisions, final String snippetId) {
    final Snippet snippet = snippetDAO.getSnippet(snippetId);
    // grab the resources in the snippet so we can delete the policies afterwards
    final Set<Resource> snippetResources = new HashSet<>();
    snippet.getProcessors().keySet().forEach(id -> snippetResources.add(processorDAO.getProcessor(id).getResource()));
    snippet.getInputPorts().keySet().forEach(id -> snippetResources.add(inputPortDAO.getPort(id).getResource()));
    snippet.getOutputPorts().keySet().forEach(id -> snippetResources.add(outputPortDAO.getPort(id).getResource()));
    snippet.getFunnels().keySet().forEach(id -> snippetResources.add(funnelDAO.getFunnel(id).getResource()));
    snippet.getLabels().keySet().forEach(id -> snippetResources.add(labelDAO.getLabel(id).getResource()));
    snippet.getRemoteProcessGroups().keySet().forEach(id -> snippetResources.add(remoteProcessGroupDAO.getRemoteProcessGroup(id).getResource()));
    snippet.getProcessGroups().keySet().forEach(id -> {
        final ProcessGroup processGroup = processGroupDAO.getProcessGroup(id);
        // add the process group
        snippetResources.add(processGroup.getResource());
        // add each encapsulated component
        processGroup.findAllProcessors().forEach(processor -> snippetResources.add(processor.getResource()));
        processGroup.findAllInputPorts().forEach(inputPort -> snippetResources.add(inputPort.getResource()));
        processGroup.findAllOutputPorts().forEach(outputPort -> snippetResources.add(outputPort.getResource()));
        processGroup.findAllFunnels().forEach(funnel -> snippetResources.add(funnel.getResource()));
        processGroup.findAllLabels().forEach(label -> snippetResources.add(label.getResource()));
        processGroup.findAllProcessGroups().forEach(childGroup -> snippetResources.add(childGroup.getResource()));
        processGroup.findAllRemoteProcessGroups().forEach(remoteProcessGroup -> snippetResources.add(remoteProcessGroup.getResource()));
        processGroup.findAllTemplates().forEach(template -> snippetResources.add(template.getResource()));
        processGroup.findAllControllerServices().forEach(controllerService -> snippetResources.add(controllerService.getResource()));
    });
    final NiFiUser user = NiFiUserUtils.getNiFiUser();
    final RevisionClaim claim = new StandardRevisionClaim(revisions);
    final SnippetDTO dto = revisionManager.deleteRevision(claim, user, new DeleteRevisionTask<SnippetDTO>() {

        @Override
        public SnippetDTO performTask() {
            // delete the components in the snippet
            snippetDAO.deleteSnippetComponents(snippetId);
            // drop the snippet
            snippetDAO.dropSnippet(snippetId);
            // save
            controllerFacade.save();
            // create the dto for the snippet that was just removed
            return dtoFactory.createSnippetDto(snippet);
        }
    });
    // clean up component policies
    snippetResources.forEach(resource -> cleanUpPolicies(resource));
    return entityFactory.createSnippetEntity(dto);
}

Example 2 with SnippetDTO

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

the class StandardNiFiServiceFacade method createSnippet.

@Override
public SnippetEntity createSnippet(final SnippetDTO snippetDTO) {
    // add the component
    final Snippet snippet = snippetDAO.createSnippet(snippetDTO);
    // save the flow
    controllerFacade.save();
    final SnippetDTO dto = dtoFactory.createSnippetDto(snippet);
    final RevisionUpdate<SnippetDTO> snapshot = new StandardRevisionUpdate<>(dto, null);
    return entityFactory.createSnippetEntity(snapshot.getComponent());
}

Example 3 with SnippetDTO

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

the class StandardNiFiServiceFacade method updateSnippet.

@Override
public SnippetEntity updateSnippet(final Set<Revision> revisions, final SnippetDTO snippetDto) {
    final NiFiUser user = NiFiUserUtils.getNiFiUser();
    final RevisionClaim revisionClaim = new StandardRevisionClaim(revisions);
    final RevisionUpdate<SnippetDTO> snapshot;
    try {
        snapshot = revisionManager.updateRevision(revisionClaim, user, new UpdateRevisionTask<SnippetDTO>() {

            @Override
            public RevisionUpdate<SnippetDTO> update() {
                // get the updated component
                final Snippet snippet = snippetDAO.updateSnippetComponents(snippetDto);
                // drop the snippet
                snippetDAO.dropSnippet(snippet.getId());
                // save updated controller
                controllerFacade.save();
                // increment the revisions
                final Set<Revision> updatedRevisions = revisions.stream().map(revision -> {
                    final Revision currentRevision = revisionManager.getRevision(revision.getComponentId());
                    return currentRevision.incrementRevision(revision.getClientId());
                }).collect(Collectors.toSet());
                final SnippetDTO dto = dtoFactory.createSnippetDto(snippet);
                return new StandardRevisionUpdate<>(dto, null, updatedRevisions);
            }
        });
    } catch (final ExpiredRevisionClaimException e) {
        throw new InvalidRevisionException("Failed to update Snippet", e);
    }
    return entityFactory.createSnippetEntity(snapshot.getComponent());
}

Example 4 with SnippetDTO

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

the class SnippetResource method createSnippet.

/**
 * Creates a snippet based off the specified configuration.
 *
 * @param httpServletRequest request
 * @param requestSnippetEntity      A snippetEntity
 * @return A snippetEntity
 */
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "Creates a snippet. The snippet will be automatically discarded if not used in a subsequent request after 1 minute.", response = SnippetEntity.class, authorizations = { @Authorization(value = "Read or Write - /{component-type}/{uuid} - For every component (all Read or all Write) 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 createSnippet(@Context HttpServletRequest httpServletRequest, @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.");
    }
    if (requestSnippetEntity.getSnippet().getId() != null) {
        throw new IllegalArgumentException("Snippet ID cannot be specified.");
    }
    if (requestSnippetEntity.getSnippet().getParentGroupId() == null) {
        throw new IllegalArgumentException("The parent Process Group of the snippet must be specified.");
    }
    if (isReplicateRequest()) {
        return replicate(HttpMethod.POST, requestSnippetEntity);
    }
    return withWriteLock(serviceFacade, requestSnippetEntity, lookup -> {
        final SnippetDTO snippetRequest = requestSnippetEntity.getSnippet();
        try {
            authorizeSnippetRequest(snippetRequest, authorizer, lookup, RequestAction.READ);
        } catch (final AccessDeniedException e) {
            authorizeSnippetRequest(snippetRequest, authorizer, lookup, RequestAction.WRITE);
        }
    }, null, (snippetEntity) -> {
        // set the processor id as appropriate
        snippetEntity.getSnippet().setId(generateUuid());
        // create the snippet
        final SnippetEntity entity = serviceFacade.createSnippet(snippetEntity.getSnippet());
        populateRemainingSnippetEntityContent(entity);
        // build the response
        return generateCreatedResponse(URI.create(entity.getSnippet().getUri()), entity).build();
    });
}

Example 5 with SnippetDTO

use of org.apache.nifi.web.api.dto.SnippetDTO 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();
    });
}