Example usage for org.apache.hadoop.security UserGroupInformation setAuthenticationMethod

Introduction

In this page you can find the example usage for org.apache.hadoop.security UserGroupInformation setAuthenticationMethod.

Prototype

public void setAuthenticationMethod(AuthMethod authMethod) 

Source Link

Document

Sets the authentication method in the subject

Usage

From source file:org.apache.ambari.view.filebrowser.HdfsApi.java

License:Apache License

private UserGroupInformation getProxyUser() throws IOException {
    UserGroupInformation proxyuser;
    if (params.containsKey("proxyuser")) {
        proxyuser = UserGroupInformation.createRemoteUser(params.get("proxyuser"));
    } else {//from w  ww  .  j  a va 2 s .c  o  m
        proxyuser = UserGroupInformation.getCurrentUser();
    }

    proxyuser.setAuthenticationMethod(getAuthenticationMethod());
    return proxyuser;
}

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From source file:org.apache.ambari.view.utils.hdfs.HdfsApi.java

License:Apache License

private UserGroupInformation getProxyUser() throws IOException {
    UserGroupInformation proxyuser;
    if (authParams.containsKey("proxyuser")) {
        proxyuser = UserGroupInformation.createRemoteUser(authParams.get("proxyuser"));
    } else {/* w  w w  .j  av  a2s  .c o m*/
        proxyuser = UserGroupInformation.getCurrentUser();
    }

    proxyuser.setAuthenticationMethod(getAuthenticationMethod());
    return proxyuser;
}

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From source file:org.apache.streams.hdfs.WebHdfsPersistReader.java

License:Apache License

private synchronized void connectToWebHDFS() {
    try {//w w w.  jav a 2 s . c om
        LOGGER.info("User : {}", this.hdfsConfiguration.getUser());
        UserGroupInformation ugi = UserGroupInformation.createRemoteUser(this.hdfsConfiguration.getUser());
        ugi.setAuthenticationMethod(UserGroupInformation.AuthenticationMethod.SIMPLE);

        ugi.doAs(new PrivilegedExceptionAction<Void>() {
            public Void run() throws Exception {
                Configuration conf = new Configuration();
                conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
                LOGGER.info("WebURI : {}", getURI().toString());
                client = FileSystem.get(getURI(), conf);
                LOGGER.info("Connected to WebHDFS");

                /*
                * ************************************************************************************************
                * This code is an example of how you would work with HDFS and you weren't going over
                * the webHDFS protocol.
                *
                * Smashew: 2013-10-01
                * ************************************************************************************************
                conf.set("fs.defaultFS", "hdfs://hadoop.mdigitallife.com:8020/user/" + userName);
                conf.set("namenode.host","0.0.0.0");
                conf.set("hadoop.job.ugi", userName);
                conf.set(DFSConfigKeys.DFS_NAMENODE_USER_NAME_KEY, "runner");
                fileSystem.createNewFile(new Path("/user/"+ userName + "/test"));
                FileStatus[] status = fs.listStatus(new Path("/user/" + userName));
                for(int i=0;i<status.length;i++)
                {
                LOGGER.info("Directory: {}", status[i].getPath());
                }
                */
                return null;
            }
        });
    } catch (Exception e) {
        LOGGER.error("There was an error connecting to WebHDFS, please check your settings and try again");
        e.printStackTrace();
    }
}

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From source file:org.apache.streams.hdfs.WebHdfsPersistWriter.java

License:Apache License

private synchronized void connectToWebHDFS() {
    try {/* ww  w  .  ja  va  2s  .  co  m*/
        LOGGER.info("User : {}", this.hdfsConfiguration.getUser());
        UserGroupInformation ugi = UserGroupInformation.createRemoteUser(this.hdfsConfiguration.getUser());
        ugi.setAuthenticationMethod(UserGroupInformation.AuthenticationMethod.SIMPLE);

        ugi.doAs(new PrivilegedExceptionAction<Void>() {
            public Void run() throws Exception {
                Configuration conf = new Configuration();
                conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
                LOGGER.info("WebURI : {}", getURI().toString());
                client = FileSystem.get(getURI(), conf);
                LOGGER.info("Connected to WebHDFS");

                /*
                * ************************************************************************************************
                * This code is an example of how you would work with HDFS and you weren't going over
                * the webHDFS protocol.
                *
                * Smashew: 2013-10-01
                * ************************************************************************************************
                conf.set("fs.defaultFS", "hdfs://hadoop.mdigitallife.com:8020/user/" + userName);
                conf.set("namenode.host","0.0.0.0");
                conf.set("hadoop.job.ugi", userName);
                conf.set(DFSConfigKeys.DFS_NAMENODE_USER_NAME_KEY, "runner");
                fileSystem.createNewFile(new Path("/user/"+ userName + "/test"));
                FileStatus[] status = fs.listStatus(new Path("/user/" + userName));
                for(int i=0;i<status.length;i++)
                {
                LOGGER.info("Directory: {}", status[i].getPath());
                }
                */
                return null;
            }
        });
    } catch (Exception e) {
        LOGGER.error("There was an error connecting to WebHDFS, please check your settings and try again", e);
        throw new RuntimeException(e);
    }
}

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From source file:oz.hadoop.yarn.test.cluster.InJvmContainerExecutor.java

License:Apache License

/**
 *
 * @param container//from  w  w  w.j a v a 2  s .  c  o  m
 * @param containerWorkDir
 * @return
 */
private UserGroupInformation buildUgiForContainerLaunching(Container container, final Path containerWorkDir) {
    UserGroupInformation ugi;
    try {
        ugi = UserGroupInformation.createRemoteUser(UserGroupInformation.getLoginUser().getUserName());
        ugi.setAuthenticationMethod(AuthMethod.TOKEN);
        String filePath = new Path(containerWorkDir, ContainerLaunch.FINAL_CONTAINER_TOKENS_FILE).toString();
        Credentials credentials = Credentials.readTokenStorageFile(new File(filePath), this.getConf());
        Collection<Token<? extends TokenIdentifier>> tokens = credentials.getAllTokens();
        for (Token<? extends TokenIdentifier> token : tokens) {
            ugi.addToken(token);
        }
    } catch (Exception e) {
        throw new IllegalArgumentException(
                "Failed to build UserGroupInformation to launch container " + container, e);
    }
    return ugi;
}

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