| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.pulsar.functions.worker; |
| |
| import java.io.IOException; |
| import java.util.Optional; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.common.util.OrderedExecutor; |
| import org.apache.pulsar.broker.PulsarServerException; |
| import org.apache.pulsar.broker.ServiceConfiguration; |
| import org.apache.pulsar.broker.authentication.AuthenticationService; |
| import org.apache.pulsar.broker.authorization.AuthorizationService; |
| import org.apache.pulsar.broker.resources.PulsarResources; |
| import org.apache.pulsar.common.configuration.PulsarConfigurationLoader; |
| import org.apache.pulsar.functions.worker.rest.WorkerServer; |
| import org.apache.pulsar.functions.worker.service.WorkerServiceLoader; |
| import org.apache.pulsar.metadata.api.extended.MetadataStoreExtended; |
| |
| @Slf4j |
| public class Worker { |
| |
| private final WorkerConfig workerConfig; |
| private final WorkerService workerService; |
| private WorkerServer server; |
| |
| private final OrderedExecutor orderedExecutor = |
| OrderedExecutor.newBuilder().numThreads(8).name("zk-cache-ordered").build(); |
| private PulsarResources pulsarResources; |
| private MetadataStoreExtended configMetadataStore; |
| private final ErrorNotifier errorNotifier; |
| |
| public Worker(WorkerConfig workerConfig) { |
| this.workerConfig = workerConfig; |
| this.workerService = WorkerServiceLoader.load(workerConfig); |
| this.errorNotifier = ErrorNotifier.getDefaultImpl(); |
| } |
| |
| protected void start() throws Exception { |
| workerService.initAsStandalone(workerConfig); |
| workerService.start(getAuthenticationService(), getAuthorizationService(), errorNotifier); |
| server = new WorkerServer(workerService, getAuthenticationService()); |
| server.start(); |
| log.info("/** Started worker server **/"); |
| |
| try { |
| errorNotifier.waitForError(); |
| } catch (Throwable th) { |
| log.error("!-- Fatal error encountered. Worker will exit now. --!", th); |
| throw th; |
| } |
| } |
| |
| |
| |
| private AuthorizationService getAuthorizationService() throws PulsarServerException { |
| |
| if (this.workerConfig.isAuthorizationEnabled()) { |
| |
| log.info("starting configuration cache service"); |
| try { |
| configMetadataStore = PulsarResources.createConfigMetadataStore( |
| workerConfig.getConfigurationMetadataStoreUrl(), |
| (int) workerConfig.getMetadataStoreSessionTimeoutMillis(), |
| workerConfig.isMetadataStoreAllowReadOnlyOperations()); |
| } catch (IOException e) { |
| throw new PulsarServerException(e); |
| } |
| pulsarResources = new PulsarResources(null, configMetadataStore); |
| return new AuthorizationService(getServiceConfiguration(), this.pulsarResources); |
| } |
| return null; |
| } |
| |
| private AuthenticationService getAuthenticationService() throws PulsarServerException { |
| return new AuthenticationService(getServiceConfiguration()); |
| } |
| |
| protected void stop() { |
| try { |
| if (null != this.server) { |
| this.server.stop(); |
| } |
| workerService.stop(); |
| } catch (Exception e) { |
| log.warn("Failed to gracefully stop worker service ", e); |
| } |
| |
| if (this.configMetadataStore != null) { |
| try { |
| this.configMetadataStore.close(); |
| } catch (Exception e) { |
| log.warn("Failed to close global zk cache ", e); |
| } |
| } |
| |
| if (orderedExecutor != null) { |
| orderedExecutor.shutdownNow(); |
| } |
| } |
| |
| |
| public Optional<Integer> getListenPortHTTP() { |
| return this.server.getListenPortHTTP(); |
| } |
| |
| public Optional<Integer> getListenPortHTTPS() { |
| return this.server.getListenPortHTTPS(); |
| } |
| |
| private ServiceConfiguration getServiceConfiguration() { |
| ServiceConfiguration serviceConfiguration = PulsarConfigurationLoader.convertFrom(workerConfig); |
| serviceConfiguration.setClusterName(workerConfig.getPulsarFunctionsCluster()); |
| return serviceConfiguration; |
| } |
| } |