nodes.add(Paths.configJobHost(jobId, host));
operations.add(delete(node)); if (client.exists(Paths.configJobHost(job, host)) != null) { operations.add(delete(Paths.configJobHost(job, host)));
nodes.add(Paths.configJobHost(jobId, host));
check(jobPath), create(portNodes), create(Paths.configJobHost(id, host)));
check(jobPath), create(portNodes), create(Paths.configJobHost(id, host)));
private List<ZooKeeperOperation> getUndeployOperations(final ZooKeeperClient client, final String host, final JobId jobId, final String token) throws HostNotFoundException, JobNotDeployedException, TokenVerificationException { assertHostExists(client, host); final Deployment deployment = getDeployment(host, jobId); if (deployment == null) { throw new JobNotDeployedException(host, jobId); } final Job job = getJob(client, jobId); verifyToken(token, job); final String configHostJobPath = Paths.configHostJob(host, jobId); try { // use listRecursive to remove both job node and its child creation node final List<String> nodes = newArrayList(reverse(client.listRecursive(configHostJobPath))); nodes.add(Paths.configJobHost(jobId, host)); final List<Integer> staticPorts = staticPorts(job); for (int port : staticPorts) { nodes.add(Paths.configHostPort(host, port)); } return ImmutableList.of(delete(nodes)); } catch (NoNodeException e) { // This method is racy since it's possible someone undeployed the job after we called // getDeployment and checked the job exists. If we now discover the job is undeployed, // throw an exception and handle it the same as if we discovered this earlier. throw new JobNotDeployedException(host, jobId); } catch (KeeperException e) { throw new HeliosRuntimeException("calculating undeploy operations failed", e); } }
operations.add(delete(node)); if (client.exists(Paths.configJobHost(job, host)) != null) { operations.add(delete(Paths.configJobHost(job, host)));
nodes.add(Paths.configJobHost(jobId, host));
check(jobPath), create(portNodes), create(Paths.configJobHost(id, host)));
check(jobPath), create(portNodes), create(Paths.configJobHost(id, host)));