rameeshm commented on code in PR #886: URL: https://github.com/apache/ranger/pull/886#discussion_r3007603045
########## audit-server/audit-dispatcher/consumer-common/src/main/java/org/apache/ranger/audit/consumer/EmbeddedServer.java: ########## @@ -0,0 +1,782 @@ +/* + * 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.ranger.audit.consumer; + +import org.apache.catalina.Context; +import org.apache.catalina.LifecycleException; +import org.apache.catalina.WebResourceRoot; +import org.apache.catalina.connector.Connector; +import org.apache.catalina.core.StandardContext; +import org.apache.catalina.startup.Tomcat; +import org.apache.catalina.valves.AccessLogValve; +import org.apache.catalina.webresources.StandardRoot; +import org.apache.commons.collections.CollectionUtils; +import org.apache.commons.lang3.StringUtils; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.security.SecureClientLogin; +import org.apache.hadoop.security.UserGroupInformation; +import org.apache.hadoop.security.alias.BouncyCastleFipsKeyStoreProvider; +import org.apache.hadoop.security.alias.CredentialProvider; +import org.apache.hadoop.security.alias.CredentialProviderFactory; +import org.apache.hadoop.security.alias.JavaKeyStoreProvider; +import org.apache.hadoop.security.alias.LocalBouncyCastleFipsKeyStoreProvider; +import org.apache.ranger.audit.provider.MiscUtil; +import org.apache.ranger.audit.server.AuditConfig; +import org.apache.ranger.audit.server.AuditServerConstants; +import org.apache.ranger.audit.utils.AuditServerLogFormatter; +import org.apache.ranger.authorization.hadoop.utils.RangerCredentialProvider; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.net.ssl.KeyManager; +import javax.net.ssl.KeyManagerFactory; +import javax.net.ssl.SSLContext; +import javax.net.ssl.TrustManager; +import javax.net.ssl.TrustManagerFactory; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.security.KeyManagementException; +import java.security.KeyStore; +import java.security.KeyStoreException; +import java.security.NoSuchAlgorithmException; +import java.security.SecureRandom; +import java.security.UnrecoverableKeyException; +import java.security.cert.CertificateException; +import java.util.Date; +import java.util.List; +import java.util.Map; + +public class EmbeddedServer { + private static final Logger LOG = LoggerFactory.getLogger(EmbeddedServer.class); + + private static final String ACCESS_LOG_PREFIX = "accesslog.prefix"; + private static final String ACCESS_LOG_DATE_FORMAT = "accesslog.dateformat"; + private static final String ACCESS_LOG_PATTERN = "accesslog.pattern"; + private static final String ACCESS_LOG_ROTATE_MAX_DAYS = "accesslog.rotate.max.days"; + private static final String DEFAULT_LOG_DIR = "/tmp"; + private static final int DEFAULT_HTTP_PORT = 6081; + private static final int DEFAULT_HTTPS_PORT = -1; + private static final int DEFAULT_SHUTDOWN_PORT = 6185; + private static final String DEFAULT_SHUTDOWN_COMMAND = "SHUTDOWN"; + private static final String DEFAULT_WEBAPPS_ROOT_FOLDER = "webapps"; + private static final String DEFAULT_ENABLED_PROTOCOLS = "TLSv1.2"; + public static final String DEFAULT_NAME_RULE = "DEFAULT"; + private static final String RANGER_KEYSTORE_FILE_TYPE_DEFAULT = "jks"; + private static final String RANGER_TRUSTSTORE_FILE_TYPE_DEFAULT = "jks"; + private static final String RANGER_SSL_CONTEXT_ALGO_TYPE = "TLSv1.2"; + private static final String RANGER_SSL_KEYMANAGER_ALGO_TYPE = KeyManagerFactory.getDefaultAlgorithm(); + private static final String RANGER_SSL_TRUSTMANAGER_ALGO_TYPE = TrustManagerFactory.getDefaultAlgorithm(); + public static final String KEYSTORE_FILE_TYPE_DEFAULT = KeyStore.getDefaultType(); + public static final String TRUSTSTORE_FILE_TYPE_DEFAULT = KeyStore.getDefaultType(); + + private final Configuration configuration; + private final String appName; + private final String configPrefix; + private volatile Tomcat server; Review Comment: @mneethiraj gracefulShutdown() is done in a separate thread as a part of the shutdown hook, so its better to this as volatile variable. -- This is an automated message from the Apache Git Service. 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