Merge pull request #78 from wxing89/feature-kerberos

增加提交Flink任务到YARN时的Kerberos认证

dlink-gateway/src/main/java/com/dlink/gateway/yarn/YarnGateway.java

@@ -14,12 +14,15 @@ import org.apache.flink.configuration.DeploymentOptions;
 import org.apache.flink.configuration.GlobalConfiguration;
 import org.apache.flink.runtime.client.JobStatusMessage;
 import org.apache.flink.runtime.jobgraph.SavepointConfigOptions;
+import org.apache.flink.runtime.security.SecurityConfiguration;
+import org.apache.flink.runtime.security.SecurityUtils;
 import org.apache.flink.yarn.YarnClientYarnClusterInformationRetriever;
 import org.apache.flink.yarn.YarnClusterClientFactory;
 import org.apache.flink.yarn.YarnClusterDescriptor;
 import org.apache.flink.yarn.configuration.YarnConfigOptions;
 import org.apache.flink.yarn.configuration.YarnLogConfigUtil;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.service.Service;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.client.api.YarnClient;
@@ -65,6 +68,16 @@ public abstract class YarnGateway extends AbstractGateway {
         if(Asserts.isNotNullString(config.getFlinkConfig().getJobName())) {
             configuration.set(YarnConfigOptions.APPLICATION_NAME, config.getFlinkConfig().getJobName());
         }
+
+        try {
+            SecurityUtils.install(new SecurityConfiguration(configuration));
+            UserGroupInformation currentUser = UserGroupInformation.getCurrentUser();
+            logger.info("安全认证结束，用户和认证方式:" + currentUser.toString());
+        } catch (Exception e) {
+            logger.error(e.getMessage());
+            e.printStackTrace();
+        }
+
         YarnLogConfigUtil.setLogConfigFileInConfig(configuration, config.getClusterConfig().getFlinkConfigPath());
     }