Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/2275#discussion_r79355845
--- Diff:
flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/test/util/SecureTestEnvironment.java
---
@@ -0,0 +1,249 @@
+/*
+ * 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.flink.test.util;
+
+import org.apache.flink.configuration.ConfigConstants;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.runtime.security.SecurityContext;
+import org.apache.hadoop.minikdc.MiniKdc;
+import org.junit.rules.TemporaryFolder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nullable;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.BufferedWriter;
+import java.io.PrintWriter;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Helper {@link SecureTestEnvironment} to handle MiniKDC lifecycle.
+ * This class can be used to start/stop MiniKDC and create secure
configurations for MiniDFSCluster
+ * and MiniYarn
+ */
+
+public class SecureTestEnvironment {
+
+ protected static final Logger LOG =
LoggerFactory.getLogger(SecureTestEnvironment.class);
+
+ private static MiniKdc kdc;
+
+ private static String testKeytab = null;
+
+ private static String testPrincipal = null;
+
+ private static String testZkServerPrincipal = null;
+
+ private static String testZkClientPrincipal = null;
+
+ private static String testKafkaServerPrincipal = null;
+
+ private static String hadoopServicePrincipal = null;
+
+ private static File baseDirForSecureRun = null;
+
+ public static void prepare(TemporaryFolder tempFolder) {
+
+ try {
+ baseDirForSecureRun = tempFolder.newFolder();
+ LOG.info("Base Directory for Secure Environment: {}",
baseDirForSecureRun);
+
+ String hostName = "localhost";
+ Properties kdcConf = MiniKdc.createConf();
+ if(LOG.isDebugEnabled()) {
+ kdcConf.setProperty(MiniKdc.DEBUG, "true");
+ }
+ kdcConf.setProperty(MiniKdc.KDC_BIND_ADDRESS, hostName);
+ kdc = new MiniKdc(kdcConf, baseDirForSecureRun);
+ kdc.start();
+ LOG.info("Started Mini KDC");
+
+ File keytabFile = new File(baseDirForSecureRun,
"test-users.keytab");
+ testKeytab = keytabFile.getAbsolutePath();
+ testZkServerPrincipal = "zookeeper/127.0.0.1";
+ testZkClientPrincipal = "zk-client/127.0.0.1";
+ testKafkaServerPrincipal = "kafka/" + hostName;
+ hadoopServicePrincipal = "hadoop/" + hostName;
+ testPrincipal = "client/" + hostName;
+
+ kdc.createPrincipal(keytabFile, testPrincipal,
testZkServerPrincipal,
+ hadoopServicePrincipal,
+ testZkClientPrincipal,
+ testKafkaServerPrincipal);
+
+ testPrincipal = testPrincipal + "@" + kdc.getRealm();
+ testZkServerPrincipal = testZkServerPrincipal + "@" +
kdc.getRealm();
+ testZkClientPrincipal = testZkClientPrincipal + "@" +
kdc.getRealm();
+ testKafkaServerPrincipal = testKafkaServerPrincipal +
"@" + kdc.getRealm();
+ hadoopServicePrincipal = hadoopServicePrincipal + "@" +
kdc.getRealm();
+
+
LOG.info("-------------------------------------------------------------------");
+ LOG.info("Test Principal: {}", testPrincipal);
+ LOG.info("Test ZK Server Principal: {}",
testZkServerPrincipal);
+ LOG.info("Test ZK Client Principal: {}",
testZkClientPrincipal);
+ LOG.info("Test Kafka Server Principal: {}",
testKafkaServerPrincipal);
+ LOG.info("Test Hadoop Service Principal: {}",
hadoopServicePrincipal);
+ LOG.info("Test Keytab: {}", testKeytab);
+
LOG.info("-------------------------------------------------------------------");
+
+ //Security Context is established to allow non hadoop
applications that requires JAAS
+ //based SASL/Kerberos authentication to work. However,
for Hadoop specific applications
+ //the context can be reinitialized with Hadoop
configuration by calling
+ //ctx.setHadoopConfiguration() for the UGI
implementation to work properly.
+ //See Yarn test case module for reference
+ createJaasConfig(baseDirForSecureRun);
+ SecurityContext.SecurityConfiguration ctx = new
SecurityContext.SecurityConfiguration();
+ Configuration flinkConfig = new Configuration();
+
flinkConfig.setString(ConfigConstants.SECURITY_KEYTAB_KEY, testKeytab);
+
flinkConfig.setString(ConfigConstants.SECURITY_PRINCIPAL_KEY, testPrincipal);
+
flinkConfig.setBoolean(ConfigConstants.ZOOKEEPER_SASL_DISABLE, false);
+
flinkConfig.setString(ConfigConstants.FLINK_BASE_DIR_PATH_KEY,
baseDirForSecureRun.getAbsolutePath());
+ ctx.setFlinkConfiguration(flinkConfig);
+ TestingSecurityContext.install(ctx,
getClientSecurityConfigurationMap());
+
+ populateSystemEnvVariables();
+
+ } catch(Exception e) {
+ LOG.error("Exception occured while preparing secure
environment. Reason: {}", e);
--- End diff --
The signature is error(String msg, Throwable t). You can remove the
"Reason: {}".
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
