Github user mcgilman commented on a diff in the pull request:
https://github.com/apache/nifi/pull/461#discussion_r64259949
--- Diff:
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/FlowResource.java
---
@@ -321,6 +320,157 @@ public Response getControllerServices(
return clusterContext(generateOkResponse(entity)).build();
}
+ /**
+ * Updates the specified process group.
+ *
+ * @param httpServletRequest request
+ * @param id The id of the process group.
+ * @param scheduleComponentsEntity A scheduleComponentsEntity.
+ * @return A processGroupEntity.
+ */
+ @PUT
+ @Consumes(MediaType.APPLICATION_JSON)
+ @Produces(MediaType.APPLICATION_JSON)
+ @Path("process-groups/{id}")
+ // TODO - @PreAuthorize("hasRole('ROLE_DFM')")
+ @ApiOperation(
+ value = "Updates a process group",
+ response = ScheduleComponentsEntity.class,
+ authorizations = {
+ @Authorization(value = "Data Flow Manager", type = "ROLE_DFM")
+ }
+ )
+ @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,
+ ScheduleComponentsEntity scheduleComponentsEntity) {
+
+ authorizeFlow();
+
+ // ensure the same id is being used
+ if (!id.equals(scheduleComponentsEntity.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).", scheduleComponentsEntity.getId(), id));
+ }
+
+ final ScheduledState state;
+ if (scheduleComponentsEntity.getState() == null) {
+ throw new IllegalArgumentException("The scheduled state must
be specified.");
+ } else {
+ try {
+ state =
ScheduledState.valueOf(scheduleComponentsEntity.getState());
+ } catch (final IllegalArgumentException iae) {
+ throw new IllegalArgumentException(String.format("The
scheduled must be one of [].",
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 [].",
StringUtils.join(EnumSet.of(ScheduledState.RUNNING, ScheduledState.STOPPED), ",
")));
+ }
+
+ // if the components are not specified, gather all components and
their current revision
+ if (scheduleComponentsEntity.getComponents() == null) {
+ // TODO - this will break while clustered until nodes are able
to process/replicate requests
+ // 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).forEach(processor -> {
+ if (processor.isAuthorized(authorizer,
RequestAction.WRITE)) {
--- End diff --
Will do!
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