use of org.apache.nifi.web.api.entity.SystemDiagnosticsEntity in project nifi by apache.
the class SystemDiagnosticsResource method getSystemDiagnostics.
/**
* Gets the system diagnostics for this NiFi instance.
*
* @return A systemDiagnosticsEntity.
* @throws InterruptedException if interrupted
*/
@GET
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "Gets the diagnostics for the system NiFi is running on", response = SystemDiagnosticsEntity.class, authorizations = { @Authorization(value = "Read - /system") })
@ApiResponses(value = { @ApiResponse(code = 401, message = "Client could not be authenticated."), @ApiResponse(code = 403, message = "Client is not authorized to make this request.") })
public Response getSystemDiagnostics(@ApiParam(value = "Whether or not to include the breakdown per node. Optional, defaults to false", required = false) @QueryParam("nodewise") @DefaultValue(NODEWISE) final Boolean nodewise, @ApiParam(value = "The id of the node where to get the status.", required = false) @QueryParam("clusterNodeId") final String clusterNodeId) throws InterruptedException {
authorizeSystem();
// ensure a valid request
if (Boolean.TRUE.equals(nodewise) && clusterNodeId != null) {
throw new IllegalArgumentException("Nodewise requests cannot be directed at a specific node.");
}
if (isReplicateRequest()) {
// determine where this request should be sent
if (clusterNodeId == null) {
final NodeResponse nodeResponse;
// to the cluster nodes themselves.
if (getReplicationTarget() == ReplicationTarget.CLUSTER_NODES) {
nodeResponse = getRequestReplicator().replicate(HttpMethod.GET, getAbsolutePath(), getRequestParameters(), getHeaders()).awaitMergedResponse();
} else {
nodeResponse = getRequestReplicator().forwardToCoordinator(getClusterCoordinatorNode(), HttpMethod.GET, getAbsolutePath(), getRequestParameters(), getHeaders()).awaitMergedResponse();
}
final SystemDiagnosticsEntity entity = (SystemDiagnosticsEntity) nodeResponse.getUpdatedEntity();
// ensure there is an updated entity (result of merging) and prune the response as necessary
if (entity != null && !nodewise) {
entity.getSystemDiagnostics().setNodeSnapshots(null);
}
return nodeResponse.getResponse();
} else {
return replicate(HttpMethod.GET);
}
}
final SystemDiagnosticsDTO systemDiagnosticsDto = serviceFacade.getSystemDiagnostics();
// create the response
final SystemDiagnosticsEntity entity = new SystemDiagnosticsEntity();
entity.setSystemDiagnostics(systemDiagnosticsDto);
// generate the response
return generateOkResponse(entity).build();
}
Aggregations