/**
* 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.hadoop.yarn.conf;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.Iterator;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.net.NetUtils;
public class YarnConfiguration extends Configuration {
private static final Splitter ADDR_SPLITTER = Splitter.on(':').trimResults();
private static final Joiner JOINER = Joiner.on("");
private static final String YARN_DEFAULT_XML_FILE = "yarn-default.xml";
private static final String YARN_SITE_XML_FILE = "yarn-site.xml";
static {
Configuration.addDefaultResource(YARN_DEFAULT_XML_FILE);
Configuration.addDefaultResource(YARN_SITE_XML_FILE);
}
//Configurations
public static final String YARN_PREFIX = "yarn.";
/** Delay before deleting resource to ease debugging of NM issues */
public static final String DEBUG_NM_DELETE_DELAY_SEC =
YarnConfiguration.NM_PREFIX + "delete.debug-delay-sec";
////////////////////////////////
// IPC Configs
////////////////////////////////
public static final String IPC_PREFIX = YARN_PREFIX + "ipc.";
/** Factory to create client IPC classes.*/
public static final String IPC_CLIENT_FACTORY =
IPC_PREFIX + "client.factory.class";
/** Type of serialization to use.*/
public static final String IPC_SERIALIZER_TYPE =
IPC_PREFIX + "serializer.type";
public static final String DEFAULT_IPC_SERIALIZER_TYPE = "protocolbuffers";
/** Factory to create server IPC classes.*/
public static final String IPC_SERVER_FACTORY =
IPC_PREFIX + "server.factory.class";
/** Factory to create IPC exceptions.*/
public static final String IPC_EXCEPTION_FACTORY =
IPC_PREFIX + "exception.factory.class";
/** Factory to create serializeable records.*/
public static final String IPC_RECORD_FACTORY =
IPC_PREFIX + "record.factory.class";
/** RPC class implementation*/
public static final String IPC_RPC_IMPL =
IPC_PREFIX + "rpc.class";
public static final String DEFAULT_IPC_RPC_IMPL =
"org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC";
////////////////////////////////
// Resource Manager Configs
////////////////////////////////
public static final String RM_PREFIX = "yarn.resourcemanager.";
/** The address of the applications manager interface in the RM.*/
public static final String RM_ADDRESS =
RM_PREFIX + "address";
public static final int DEFAULT_RM_PORT = 8032;
public static final String DEFAULT_RM_ADDRESS =
"0.0.0.0:" + DEFAULT_RM_PORT;
/** The number of threads used to handle applications manager requests.*/
public static final String RM_CLIENT_THREAD_COUNT =
RM_PREFIX + "client.thread-count";
public static final int DEFAULT_RM_CLIENT_THREAD_COUNT = 50;
/** The Kerberos principal for the resource manager.*/
public static final String RM_PRINCIPAL =
RM_PREFIX + "principal";
/** The address of the scheduler interface.*/
public static final String RM_SCHEDULER_ADDRESS =
RM_PREFIX + "scheduler.address";
public static final int DEFAULT_RM_SCHEDULER_PORT = 8030;
public static final String DEFAULT_RM_SCHEDULER_ADDRESS = "0.0.0.0:" +
DEFAULT_RM_SCHEDULER_PORT;
/** Miniumum memory request grant-able by the RM scheduler. */
public static final String RM_SCHEDULER_MINIMUM_ALLOCATION_MB =
YARN_PREFIX + "scheduler.minimum-allocation-mb";
public static final int DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB = 128;
/** Maximum memory request grant-able by the RM scheduler. */
public static final String RM_SCHEDULER_MAXIMUM_ALLOCATION_MB =
YARN_PREFIX + "scheduler.maximum-allocation-mb";
public static final int DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB = 10240;
/** Number of threads to handle scheduler interface.*/
public static final String RM_SCHEDULER_CLIENT_THREAD_COUNT =
RM_PREFIX + "scheduler.client.thread-count";
public static final int DEFAULT_RM_SCHEDULER_CLIENT_THREAD_COUNT = 50;
/** The address of the RM web application.*/
public static final String RM_WEBAPP_ADDRESS =
RM_PREFIX + "webapp.address";
public static final int DEFAULT_RM_WEBAPP_PORT = 8088;
public static final String DEFAULT_RM_WEBAPP_ADDRESS = "0.0.0.0:" +
DEFAULT_RM_WEBAPP_PORT;
public static final String RM_RESOURCE_TRACKER_ADDRESS =
RM_PREFIX + "resource-tracker.address";
public static final int DEFAULT_RM_RESOURCE_TRACKER_PORT = 8031;
public static final String DEFAULT_RM_RESOURCE_TRACKER_ADDRESS =
"0.0.0.0:" + DEFAULT_RM_RESOURCE_TRACKER_PORT;
/** The expiry interval for application master reporting.*/
public static final String RM_AM_EXPIRY_INTERVAL_MS =
YARN_PREFIX + "am.liveness-monitor.expiry-interval-ms";
public static final int DEFAULT_RM_AM_EXPIRY_INTERVAL_MS = 600000;
/** How long to wait until a node manager is considered dead.*/
public static final String RM_NM_EXPIRY_INTERVAL_MS =
YARN_PREFIX + "nm.liveness-monitor.expiry-interval-ms";
public static final int DEFAULT_RM_NM_EXPIRY_INTERVAL_MS = 600000;
/** Are acls enabled.*/
public static final String YARN_ACL_ENABLE =
YARN_PREFIX + "acl.enable";
public static final boolean DEFAULT_YARN_ACL_ENABLE = false;
/** ACL of who can be admin of YARN cluster.*/
public static final String YARN_ADMIN_ACL =
YARN_PREFIX + "admin.acl";
public static final String DEFAULT_YARN_ADMIN_ACL = "*";
/** ACL used in case none is found. Allows nothing. */
public static final String DEFAULT_YARN_APP_ACL = " ";
/** The address of the RM admin interface.*/
public static final String RM_ADMIN_ADDRESS =
RM_PREFIX + "admin.address";
public static final int DEFAULT_RM_ADMIN_PORT = 8033;
public static final String DEFAULT_RM_ADMIN_ADDRESS = "0.0.0.0:" +
DEFAULT_RM_ADMIN_PORT;
/**Number of threads used to handle RM admin interface.*/
public static final String RM_ADMIN_CLIENT_THREAD_COUNT =
RM_PREFIX + "admin.client.thread-count";
public static final int DEFAULT_RM_ADMIN_CLIENT_THREAD_COUNT = 1;
/** The maximum number of application master retries.*/
public static final String RM_AM_MAX_RETRIES =
RM_PREFIX + "am.max-retries";
public static final int DEFAULT_RM_AM_MAX_RETRIES = 1;
/** The keytab for the resource manager.*/
public static final String RM_KEYTAB =
RM_PREFIX + "keytab";
/** How long to wait until a container is considered dead.*/
public static final String RM_CONTAINER_ALLOC_EXPIRY_INTERVAL_MS =
RM_PREFIX + "rm.container-allocation.expiry-interval-ms";
public static final int DEFAULT_RM_CONTAINER_ALLOC_EXPIRY_INTERVAL_MS = 600000;
/** Path to file with nodes to include.*/
public static final String RM_NODES_INCLUDE_FILE_PATH =
RM_PREFIX + "nodes.include-path";
public static final String DEFAULT_RM_NODES_INCLUDE_FILE_PATH = "";
/** Path to file with nodes to exclude.*/
public static final String RM_NODES_EXCLUDE_FILE_PATH =
RM_PREFIX + "nodes.exclude-path";
public static final String DEFAULT_RM_NODES_EXCLUDE_FILE_PATH = "";
/** Number of threads to handle resource tracker calls.*/
public static final String RM_RESOURCE_TRACKER_CLIENT_THREAD_COUNT =
RM_PREFIX + "resource-tracker.client.thread-count";
public static final int DEFAULT_RM_RESOURCE_TRACKER_CLIENT_THREAD_COUNT = 50;
/** The class to use as the resource scheduler.*/
public static final String RM_SCHEDULER =
RM_PREFIX + "scheduler.class";
//Delegation token related keys
public static final String DELEGATION_KEY_UPDATE_INTERVAL_KEY =
RM_PREFIX + "delegation.key.update-interval";
public static final long DELEGATION_KEY_UPDATE_INTERVAL_DEFAULT =
24*60*60*1000; // 1 day
public static final String DELEGATION_TOKEN_RENEW_INTERVAL_KEY =
RM_PREFIX + "delegation.token.renew-interval";
public static final long DELEGATION_TOKEN_RENEW_INTERVAL_DEFAULT =
24*60*60*1000; // 1 day
public static final String DELEGATION_TOKEN_MAX_LIFETIME_KEY =
RM_PREFIX + "delegation.token.max-lifetime";
public static final long DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT =
7*24*60*60*1000; // 7 days
/** The class to use as the persistent store.*/
public static final String RM_STORE = RM_PREFIX + "store.class";
/** The address of the zookeeper instance to use with ZK store.*/
public static final String RM_ZK_STORE_ADDRESS =
RM_PREFIX + "zookeeper-store.address";
/** The zookeeper session timeout for the zookeeper store.*/
public static final String RM_ZK_STORE_TIMEOUT_MS =
RM_PREFIX + "zookeeper-store.session.timeout-ms";
public static final int DEFAULT_RM_ZK_STORE_TIMEOUT_MS = 60000;
/** The maximum number of completed applications RM keeps. */
public static final String RM_MAX_COMPLETED_APPLICATIONS =
RM_PREFIX + "max-completed-applications";
public static final int DEFAULT_RM_MAX_COMPLETED_APPLICATIONS = 10000;
/** Default application name */
public static final String DEFAULT_APPLICATION_NAME = "N/A";
/** Default queue name */
public static final String DEFAULT_QUEUE_NAME = "default";
public static final String RM_APP_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS = RM_PREFIX
+ "application-tokens.master-key-rolling-interval-secs";
public static final long DEFAULT_RM_APP_TOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS =
24 * 60 * 60;
////////////////////////////////
// Node Manager Configs
////////////////////////////////
/** Prefix for all node manager configs.*/
public static final String NM_PREFIX = "yarn.nodemanager.";
/** Environment variables that will be sent to containers.*/
public static final String NM_ADMIN_USER_ENV = NM_PREFIX + "admin-env";
public static final String DEFAULT_NM_ADMIN_USER_ENV = "MALLOC_ARENA_MAX=$MALLOC_ARENA_MAX";
/** Environment variables that containers may override rather than use NodeManager's default.*/
public static final String NM_ENV_WHITELIST = NM_PREFIX + "env-whitelist";
public static final String DEFAULT_NM_ENV_WHITELIST = "JAVA_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,HADOOP_CONF_DIR,YARN_HOME";
/** address of node manager IPC.*/
public static final String NM_ADDRESS = NM_PREFIX + "address";
public static final int DEFAULT_NM_PORT = 0;
public static final String DEFAULT_NM_ADDRESS = "0.0.0.0:"
+ DEFAULT_NM_PORT;
/** who will execute(launch) the containers.*/
public static final String NM_CONTAINER_EXECUTOR =
NM_PREFIX + "container-executor.class";
/** Number of threads container manager uses.*/
public static final String NM_CONTAINER_MGR_THREAD_COUNT =
NM_PREFIX + "container-manager.thread-count";
public static final int DEFAULT_NM_CONTAINER_MGR_THREAD_COUNT = 20;
/** Number of threads used in cleanup.*/
public static final String NM_DELETE_THREAD_COUNT =
NM_PREFIX + "delete.thread-count";
public static final int DEFAULT_NM_DELETE_THREAD_COUNT = 4;
// TODO: Should this instead be dictated by RM?
/** Heartbeat interval to RM*/
public static final String NM_TO_RM_HEARTBEAT_INTERVAL_MS =
NM_PREFIX + "heartbeat.interval-ms";
public static final int DEFAULT_NM_TO_RM_HEARTBEAT_INTERVAL_MS = 1000;
/** Keytab for NM.*/
public static final String NM_KEYTAB = NM_PREFIX + "keytab";
/**List of directories to store localized files in.*/
public static final String NM_LOCAL_DIRS = NM_PREFIX + "local-dirs";
public static final String DEFAULT_NM_LOCAL_DIRS = "/tmp/nm-local-dir";
/** Address where the localizer IPC is.*/
public static final String NM_LOCALIZER_ADDRESS =
NM_PREFIX + "localizer.address";
public static final int DEFAULT_NM_LOCALIZER_PORT = 8040;
public static final String DEFAULT_NM_LOCALIZER_ADDRESS = "0.0.0.0:" +
DEFAULT_NM_LOCALIZER_PORT;
/** Interval in between cache cleanups.*/
public static final String NM_LOCALIZER_CACHE_CLEANUP_INTERVAL_MS =
NM_PREFIX + "localizer.cache.cleanup.interval-ms";
public static final long DEFAULT_NM_LOCALIZER_CACHE_CLEANUP_INTERVAL_MS =
10 * 60 * 1000;
/** Target size of localizer cache in MB, per local directory.*/
public static final String NM_LOCALIZER_CACHE_TARGET_SIZE_MB =
NM_PREFIX + "localizer.cache.target-size-mb";
public static final long DEFAULT_NM_LOCALIZER_CACHE_TARGET_SIZE_MB = 10 * 1024;
/** Number of threads to handle localization requests.*/
public static final String NM_LOCALIZER_CLIENT_THREAD_COUNT =
NM_PREFIX + "localizer.client.thread-count";
public static final int DEFAULT_NM_LOCALIZER_CLIENT_THREAD_COUNT = 5;
/** Number of threads to use for localization fetching.*/
public static final String NM_LOCALIZER_FETCH_THREAD_COUNT =
NM_PREFIX + "localizer.fetch.thread-count";
public static final int DEFAULT_NM_LOCALIZER_FETCH_THREAD_COUNT = 4;
/** Where to store container logs.*/
public static final String NM_LOG_DIRS = NM_PREFIX + "log-dirs";
public static final String DEFAULT_NM_LOG_DIRS = "/tmp/logs";
/** Interval at which the delayed token removal thread runs */
public static final String RM_DELAYED_DELEGATION_TOKEN_REMOVAL_INTERVAL_MS =
RM_PREFIX + "delayed.delegation-token.removal-interval-ms";
public static final long DEFAULT_RM_DELAYED_DELEGATION_TOKEN_REMOVAL_INTERVAL_MS =
30000l;
/** Whether to enable log aggregation */
public static final String LOG_AGGREGATION_ENABLED = YARN_PREFIX
+ "log-aggregation-enable";
public static final boolean DEFAULT_LOG_AGGREGATION_ENABLED = false;
/**
* Number of seconds to retain logs on the NodeManager. Only applicable if Log
* aggregation is disabled
*/
public static final String NM_LOG_RETAIN_SECONDS = NM_PREFIX
+ "log.retain-seconds";
/**
* Number of threads used in log cleanup. Only applicable if Log aggregation
* is disabled
*/
public static final String NM_LOG_DELETION_THREADS_COUNT =
NM_PREFIX + "log.deletion-threads-count";
public static final int DEFAULT_NM_LOG_DELETE_THREAD_COUNT = 4;
/** Where to aggregate logs to.*/
public static final String NM_REMOTE_APP_LOG_DIR =
NM_PREFIX + "remote-app-log-dir";
public static final String DEFAULT_NM_REMOTE_APP_LOG_DIR = "/tmp/logs";
/**
* The remote log dir will be created at
* NM_REMOTE_APP_LOG_DIR/${user}/NM_REMOTE_APP_LOG_DIR_SUFFIX/${appId}
*/
public static final String NM_REMOTE_APP_LOG_DIR_SUFFIX =
NM_PREFIX + "remote-app-log-dir-suffix";
public static final String DEFAULT_NM_REMOTE_APP_LOG_DIR_SUFFIX="logs";
public static final String YARN_LOG_SERVER_URL =
YARN_PREFIX + "log.server.url";
/** Amount of memory in GB that can be allocated for containers.*/
public static final String NM_PMEM_MB = NM_PREFIX + "resource.memory-mb";
public static final int DEFAULT_NM_PMEM_MB = 8 * 1024;
public static final String NM_VMEM_PMEM_RATIO =
NM_PREFIX + "vmem-pmem-ratio";
public static final float DEFAULT_NM_VMEM_PMEM_RATIO = 2.1f;
/** NM Webapp address.**/
public static final String NM_WEBAPP_ADDRESS = NM_PREFIX + "webapp.address";
public static final int DEFAULT_NM_WEBAPP_PORT = 8042;
public static final String DEFAULT_NM_WEBAPP_ADDRESS = "0.0.0.0:" +
DEFAULT_NM_WEBAPP_PORT;
/** How often to monitor containers.*/
public final static String NM_CONTAINER_MON_INTERVAL_MS =
NM_PREFIX + "container-monitor.interval-ms";
public final static int DEFAULT_NM_CONTAINER_MON_INTERVAL_MS = 3000;
/** Class that calculates containers current resource utilization.*/
public static final String NM_CONTAINER_MON_RESOURCE_CALCULATOR =
NM_PREFIX + "container-monitor.resource-calculator.class";
/**
* Enable/Disable disks' health checker. Default is true.
* An expert level configuration property.
*/
public static final String NM_DISK_HEALTH_CHECK_ENABLE =
NM_PREFIX + "disk-health-checker.enable";
/** Frequency of running disks' health checker.*/
public static final String NM_DISK_HEALTH_CHECK_INTERVAL_MS =
NM_PREFIX + "disk-health-checker.interval-ms";
/** By default, disks' health is checked every 2 minutes. */
public static final long DEFAULT_NM_DISK_HEALTH_CHECK_INTERVAL_MS =
2 * 60 * 1000;
/**
* The minimum fraction of number of disks to be healthy for the nodemanager
* to launch new containers. This applies to nm-local-dirs and nm-log-dirs.
*/
public static final String NM_MIN_HEALTHY_DISKS_FRACTION =
NM_PREFIX + "disk-health-checker.min-healthy-disks";
/**
* By default, at least 5% of disks are to be healthy to say that the node
* is healthy in terms of disks.
*/
public static final float DEFAULT_NM_MIN_HEALTHY_DISKS_FRACTION
= 0.25F;
/** Frequency of running node health script.*/
public static final String NM_HEALTH_CHECK_INTERVAL_MS =
NM_PREFIX + "health-checker.interval-ms";
public static final long DEFAULT_NM_HEALTH_CHECK_INTERVAL_MS = 10 * 60 * 1000;
/** Health check script time out period.*/
public static final String NM_HEALTH_CHECK_SCRIPT_TIMEOUT_MS =
NM_PREFIX + "health-checker.script.timeout-ms";
public static final long DEFAULT_NM_HEALTH_CHECK_SCRIPT_TIMEOUT_MS =
2 * DEFAULT_NM_HEALTH_CHECK_INTERVAL_MS;
/** The health check script to run.*/
public static final String NM_HEALTH_CHECK_SCRIPT_PATH =
NM_PREFIX + "health-checker.script.path";
/** The arguments to pass to the health check script.*/
public static final String NM_HEALTH_CHECK_SCRIPT_OPTS =
NM_PREFIX + "health-checker.script.opts";
/** The path to the Linux container executor.*/
public static final String NM_LINUX_CONTAINER_EXECUTOR_PATH =
NM_PREFIX + "linux-container-executor.path";
/**
* The UNIX group that the linux-container-executor should run as.
* This is intended to be set as part of container-executor.cfg.
*/
public static final String NM_LINUX_CONTAINER_GROUP =
NM_PREFIX + "linux-container-executor.group";
/** T-file compression types used to compress aggregated logs.*/
public static final String NM_LOG_AGG_COMPRESSION_TYPE =
NM_PREFIX + "log-aggregation.compression-type";
public static final String DEFAULT_NM_LOG_AGG_COMPRESSION_TYPE = "none";
/** The kerberos principal for the node manager.*/
public static final String NM_PRINCIPAL =
NM_PREFIX + "principal";
public static final String NM_AUX_SERVICES =
NM_PREFIX + "aux-services";
public static final String NM_AUX_SERVICE_FMT =
NM_PREFIX + "aux-services.%s.class";
public static final String NM_USER_HOME_DIR =
NM_PREFIX + "user-home-dir";
public static final String DEFAULT_NM_USER_HOME_DIR= "/home/";
public static final int INVALID_CONTAINER_EXIT_STATUS = -1000;
public static final int ABORTED_CONTAINER_EXIT_STATUS = -100;
public static final int DISKS_FAILED = -101;
////////////////////////////////
// Web Proxy Configs
////////////////////////////////
public static final String PROXY_PREFIX = "yarn.web-proxy.";
/** The kerberos principal for the proxy.*/
public static final String PROXY_PRINCIPAL =
PROXY_PREFIX + "principal";
/** Keytab for Proxy.*/
public static final String PROXY_KEYTAB = PROXY_PREFIX + "keytab";
/** The address for the web proxy.*/
public static final String PROXY_ADDRESS =
PROXY_PREFIX + "address";
/**
* YARN Service Level Authorization
*/
public static final String
YARN_SECURITY_SERVICE_AUTHORIZATION_RESOURCETRACKER =
"security.resourcetracker.protocol.acl";
public static final String
YARN_SECURITY_SERVICE_AUTHORIZATION_CLIENT_RESOURCEMANAGER =
"security.client.resourcemanager.protocol.acl";
public static final String
YARN_SECURITY_SERVICE_AUTHORIZATION_ADMIN =
"security.admin.protocol.acl";
public static final String
YARN_SECURITY_SERVICE_AUTHORIZATION_APPLICATIONMASTER_RESOURCEMANAGER =
"security.applicationmaster.resourcemanager.protocol.acl";
public static final String
YARN_SECURITY_SERVICE_AUTHORIZATION_CONTAINER_MANAGER =
"security.containermanager.protocol.acl";
public static final String
YARN_SECURITY_SERVICE_AUTHORIZATION_RESOURCE_LOCALIZER =
"security.resourcelocalizer.protocol.acl";
/** No. of milliseconds to wait between sending a SIGTERM and SIGKILL
* to a running container */
public static final String NM_SLEEP_DELAY_BEFORE_SIGKILL_MS =
NM_PREFIX + "sleep-delay-before-sigkill.ms";
public static final long DEFAULT_NM_SLEEP_DELAY_BEFORE_SIGKILL_MS =
250;
/** Max time to wait for a process to come up when trying to cleanup
* container resources */
public static final String NM_PROCESS_KILL_WAIT_MS =
NM_PREFIX + "process-kill-wait.ms";
public static final long DEFAULT_NM_PROCESS_KILL_WAIT_MS =
2000;
/** Standard Hadoop classes */
public static final String YARN_APPLICATION_CLASSPATH = YARN_PREFIX
+ "application.classpath";
/** Container temp directory */
public static final String DEFAULT_CONTAINER_TEMP_DIR = "./tmp";
public YarnConfiguration() {
super();
}
public YarnConfiguration(Configuration conf) {
super(conf);
if (! (conf instanceof YarnConfiguration)) {
this.reloadConfiguration();
}
}
public static String getProxyHostAndPort(Configuration conf) {
String addr = conf.get(PROXY_ADDRESS);
if(addr == null || addr.isEmpty()) {
addr = getRMWebAppHostAndPort(conf);
}
return addr;
}
public static String getRMWebAppHostAndPort(Configuration conf) {
int port = conf.getSocketAddr(
YarnConfiguration.RM_WEBAPP_ADDRESS,
YarnConfiguration.DEFAULT_RM_WEBAPP_ADDRESS,
YarnConfiguration.DEFAULT_RM_WEBAPP_PORT).getPort();
// Use apps manager address to figure out the host for webapp
String host = conf.getSocketAddr(
YarnConfiguration.RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_PORT).getHostName();
InetSocketAddress address = NetUtils.createSocketAddrForHost(host, port);
StringBuffer sb = new StringBuffer();
InetAddress resolved = address.getAddress();
if (resolved == null || resolved.isAnyLocalAddress() ||
resolved.isLoopbackAddress()) {
String lh = host;
try {
lh = InetAddress.getLocalHost().getCanonicalHostName();
} catch (UnknownHostException e) {
//Ignore and fallback.
}
sb.append(lh);
} else {
sb.append(address.getHostName());
}
sb.append(":").append(address.getPort());
return sb.toString();
}
public static String getRMWebAppURL(Configuration conf) {
return JOINER.join("http://", getRMWebAppHostAndPort(conf));
}
}