srkukarni commented on a change in pull request #2365: Add support to restart
function
URL: https://github.com/apache/incubator-pulsar/pull/2365#discussion_r209824676
##########
File path:
pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/FunctionRuntimeManager.java
##########
@@ -317,6 +326,104 @@ public synchronized void
removeAssignments(Collection<Assignment> assignments) {
return functionStatus;
}
+ public Response restartFunctionInstance(String tenant, String namespace,
String functionName, int instanceId) throws Exception {
+ Assignment assignment = this.findAssignment(tenant, namespace,
functionName, instanceId);
+ final String fullFunctionName = String.format("%s/%s/%s/%s", tenant,
namespace, functionName, instanceId);
+ if (assignment == null) {
+ return
Response.status(Status.BAD_REQUEST).type(MediaType.APPLICATION_JSON)
+ .entity(new ErrorData(fullFunctionName + " doesn't
exist")).build();
+ }
+
+ final String assignedWorkerId = assignment.getWorkerId();
+ final String workerId = this.workerConfig.getWorkerId();
+
+ if (assignedWorkerId.equals(workerId)) {
+
restartFunction(Utils.getFullyQualifiedInstanceId(assignment.getInstance()));
+ return Response.status(Status.OK).build();
+ } else {
+ // query other worker
+ List<WorkerInfo> workerInfoList =
this.membershipManager.getCurrentMembership();
+ WorkerInfo workerInfo = null;
+ for (WorkerInfo entry : workerInfoList) {
+ if (assignment.getWorkerId().equals(entry.getWorkerId())) {
+ workerInfo = entry;
+ }
+ }
+ if (workerInfo == null) {
+ return
Response.status(Status.BAD_REQUEST).type(MediaType.APPLICATION_JSON)
+ .entity(new ErrorData(fullFunctionName + " has not
been assigned yet")).build();
+ }
+
+ URI redirect = null;
+ final String redirectUrl =
String.format("http://%s:%d/admin/functions/%s/%s/%s/%d/restart";,
+ workerInfo.getWorkerHostname(), workerInfo.getPort(),
tenant, namespace, functionName, instanceId);
+ try {
+ redirect = new URI(redirectUrl);
+ } catch (URISyntaxException e) {
+ log.error("Error in preparing redirect url for {}/{}/{}/{}:
{}", tenant, namespace, functionName,
+ instanceId, e.getMessage(), e);
+ return
Response.status(Status.INTERNAL_SERVER_ERROR).type(MediaType.APPLICATION_JSON)
+ .entity(new ErrorData(fullFunctionName + " invalid
redirection url")).build();
+ }
+ throw new
WebApplicationException(Response.temporaryRedirect(redirect).build());
+ }
+ }
+
+ public Response restartFunctionInstances(String tenant, String namespace,
String functionName) throws Exception {
+ final String fullFunctionName = String.format("%s/%s/%s", tenant,
namespace, functionName);
+ Collection<Assignment> assignments =
this.findFunctionAssignments(tenant, namespace, functionName);
+
+ if (assignments.isEmpty()) {
+ return
Response.status(Status.BAD_REQUEST).type(MediaType.APPLICATION_JSON)
+ .entity(new ErrorData(fullFunctionName + " has not been
assigned yet")).build();
+ }
+ for (Assignment assignment : assignments) {
+ final String assignedWorkerId = assignment.getWorkerId();
Review comment:
a good refactor could be to reuse above function?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
