jojochuang commented on code in PR #4194: URL: https://github.com/apache/ozone/pull/4194#discussion_r1088416628
########## hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/security/SecretKeyManagerService.java: ########## @@ -0,0 +1,173 @@ +/** + * 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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.hadoop.hdds.scm.security; + +import com.google.common.util.concurrent.ThreadFactoryBuilder; +import org.apache.hadoop.hdds.conf.ConfigurationSource; +import org.apache.hadoop.hdds.scm.ha.SCMContext; +import org.apache.hadoop.hdds.scm.ha.SCMRatisServer; +import org.apache.hadoop.hdds.scm.ha.SCMService; +import org.apache.hadoop.hdds.security.symmetric.LocalSecretKeyStore; +import org.apache.hadoop.hdds.security.symmetric.SecretKeyConfig; +import org.apache.hadoop.hdds.security.symmetric.SecretKeyManager; +import org.apache.hadoop.hdds.security.symmetric.SecretKeyState; +import org.apache.hadoop.hdds.security.symmetric.SecretKeyStore; +import org.apache.hadoop.hdds.security.x509.SecurityConfig; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.time.Duration; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.TimeoutException; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; + +import static org.apache.hadoop.hdds.HddsConfigKeys.HDDS_SECRET_KEY_ROTATE_CHECK_DURATION; +import static org.apache.hadoop.hdds.HddsConfigKeys.HDDS_SECRET_KEY_ROTATE_CHECK_DURATION_DEFAULT; +import static org.apache.hadoop.ozone.OzoneConsts.SCM_CA_CERT_STORAGE_DIR; + +/** + * A background service running in SCM to maintain the SecretKeys lifecycle. + */ +public class SecretKeyManagerService implements SCMService, Runnable { + public static final Logger LOG = + LoggerFactory.getLogger(SecretKeyManagerService.class); + + private final SCMContext scmContext; + private final SecretKeyManager secretKeyManager; + + + /** + * SCMService related variables. + */ + private final Lock serviceLock = new ReentrantLock(); + private ServiceStatus serviceStatus = ServiceStatus.PAUSING; + + private final Duration rotationCheckDuration; + private final ScheduledExecutorService scheduler; + + @SuppressWarnings("parameternumber") + public SecretKeyManagerService(SCMContext scmContext, + ConfigurationSource conf, + SCMRatisServer ratisServer) { + this.scmContext = scmContext; + + SecretKeyConfig secretKeyConfig = new SecretKeyConfig(conf, + SCM_CA_CERT_STORAGE_DIR); + SecretKeyStore secretKeyStore = new LocalSecretKeyStore( + secretKeyConfig.getLocalSecretKeyFile()); + SecretKeyState secretKeyState = new ScmSecretKeyState.Builder() + .setSecretKeyStore(secretKeyStore) + .setRatisServer(ratisServer) + .build(); + secretKeyManager = new SecretKeyManager(secretKeyState, + secretKeyStore, secretKeyConfig); + + scheduler = Executors.newScheduledThreadPool(1, + new ThreadFactoryBuilder().setDaemon(true) + .setNameFormat(getServiceName()) + .build()); + + String rotationCheckDurationStr = conf.get( + HDDS_SECRET_KEY_ROTATE_CHECK_DURATION, + HDDS_SECRET_KEY_ROTATE_CHECK_DURATION_DEFAULT); + rotationCheckDuration = Duration.parse(rotationCheckDurationStr); + + start(); + } + + @Override + public void notifyStatusChanged() { + serviceLock.lock(); + try { + if (scmContext.isLeaderReady()) { + + // Initialize SecretKeys if for first time leader. + if (secretKeyManager.initialize()) { + // replicate the initialized SecretKeys to followers. + scheduler.schedule(() -> { + try { + secretKeyManager.flushInitializedState(); + } catch (TimeoutException e) { + throw new RuntimeException( Review Comment: should it retry if time out? RuntimeException would crash the SCM. Probably makes sense for such a critical service. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
