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From jlun...@apache.org
Subject ambari git commit: AMBARI-9963: Rebalance HDFS fails via Ambari with Kerberos security ON (jluniya)
Date Tue, 10 Mar 2015 01:23:41 GMT
Repository: ambari
Updated Branches:
  refs/heads/trunk 7f78dffd6 -> 6954c5580


AMBARI-9963: Rebalance HDFS fails via Ambari with Kerberos security ON (jluniya)


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/6954c558
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/6954c558
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/6954c558

Branch: refs/heads/trunk
Commit: 6954c55805153bc39c159d12fc09e4f8d02e38dd
Parents: 7f78dff
Author: Jayush Luniya <jluniya@hortonworks.com>
Authored: Mon Mar 9 18:23:34 2015 -0700
Committer: Jayush Luniya <jluniya@hortonworks.com>
Committed: Mon Mar 9 18:23:34 2015 -0700

----------------------------------------------------------------------
 .../HDFS/2.1.0.2.0/package/scripts/namenode.py  |  43 +-
 .../HDFS/2.1.0.2.0/package/scripts/params.py    |   1 +
 .../python/stacks/2.0.6/HDFS/test_namenode.py   |  27 ++
 .../2.0.6/configs/rebalancehdfs_secured.json    | 395 +++++++++++++++++++
 4 files changed, 462 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ambari/blob/6954c558/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py b/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py
index bc10adf..d77f5f7 100644
--- a/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py
+++ b/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py
@@ -20,7 +20,7 @@ limitations under the License.
 import sys
 import os
 import json
-
+import  tempfile
 from resource_management import *
 from resource_management.libraries.functions.security_commons import build_expectations, \
   cached_kinit_executor, get_params_from_filesystem, validate_security_config_properties, \
@@ -30,6 +30,7 @@ from resource_management.libraries.functions.version import compare_versions, \
 from resource_management.libraries.functions.format import format
 from resource_management.libraries.functions.check_process_status import check_process_status
 from resource_management.core.exceptions import Fail
+from resource_management.libraries.functions import get_klist_path
 
 import namenode_upgrade
 from hdfs_namenode import namenode
@@ -38,6 +39,17 @@ import hdfs_rebalance
 from utils import failover_namenode
 from setup_ranger_hdfs import setup_ranger_hdfs
 
+# hashlib is supplied as of Python 2.5 as the replacement interface for md5
+# and other secure hashes.  In 2.6, md5 is deprecated.  Import hashlib if
+# available, avoiding a deprecation warning under 2.6.  Import md5 otherwise,
+# preserving 2.4 compatibility.
+try:
+  import hashlib
+  _md5 = hashlib.md5
+except ImportError:
+  import md5
+  _md5 = md5.new
+
 class NameNode(Script):
 
   def get_stack_to_component(self):
@@ -183,15 +195,34 @@ class NameNode(Script):
     threshold = name_node_parameters['threshold']
     _print("Starting balancer with threshold = %s\n" % threshold)
 
+    rebalance_env = {'PATH': params.hadoop_bin_dir}
+
+    if params.security_enabled:
+      # Create the kerberos credentials cache (ccache) file and set it in the environment to use
+      # when executing HDFS rebalance command. Use the md5 hash of the combination of the principal and keytab file
+      # to generate a (relatively) unique cache filename so that we can use it as needed.
+      # TODO: params.tmp_dir=/var/lib/ambari-agent/data/tmp. However hdfs user doesn't have access to this path.
+      # TODO: Hence using /tmp
+      ccache_file_name = "hdfs_rebalance_cc_" + _md5(format("{hdfs_principal_name}|{hdfs_user_keytab}")).hexdigest()
+      ccache_file_path = os.path.join(tempfile.gettempdir(), ccache_file_name)
+      rebalance_env['KRB5CCNAME'] = ccache_file_path
+
+      # If there are no tickets in the cache or they are expired, perform a kinit, else use what
+      # is in the cache
+      klist_cmd = format("{klist_path_local} -s {ccache_file_path}")
+      kinit_cmd = format("{kinit_path_local} -c {ccache_file_path} -kt {hdfs_user_keytab} {hdfs_principal_name}")
+      if os.system(klist_cmd) != 0:
+        Execute(kinit_cmd, user=params.hdfs_user)
+
     def calculateCompletePercent(first, current):
       return 1.0 - current.bytesLeftToMove/first.bytesLeftToMove
 
 
-    def startRebalancingProcess(threshold):
+    def startRebalancingProcess(threshold, rebalance_env):
       rebalanceCommand = format('hdfs --config {hadoop_conf_dir} balancer -threshold {threshold}')
-      return as_user(rebalanceCommand, params.hdfs_user, env={'PATH': params.hadoop_bin_dir})
+      return as_user(rebalanceCommand, params.hdfs_user, env=rebalance_env)
 
-    command = startRebalancingProcess(threshold)
+    command = startRebalancingProcess(threshold, rebalance_env)
 
     basedir = os.path.join(env.config.basedir, 'scripts')
     if(threshold == 'DEBUG'): #FIXME TODO remove this on PROD
@@ -220,6 +251,10 @@ class NameNode(Script):
             logoutput = False,
     )
 
+    if params.security_enabled and os.path.exists(ccache_file_path):
+      # Delete the kerberos credentials cache (ccache) file
+      os.remove(ccache_file_path)
+
 def _print(line):
   sys.stdout.write(line)
   sys.stdout.flush()

http://git-wip-us.apache.org/repos/asf/ambari/blob/6954c558/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/params.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/params.py b/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/params.py
index 1476773..ed214b8 100644
--- a/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/params.py
+++ b/ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/params.py
@@ -99,6 +99,7 @@ hdfs_exclude_file = default("/clusterHostInfo/decom_dn_hosts", [])
 exclude_file_path = config['configurations']['hdfs-site']['dfs.hosts.exclude']
 update_exclude_file_only = default("/commandParams/update_exclude_file_only",False)
 
+klist_path_local = functions.get_klist_path()
 kinit_path_local = functions.get_kinit_path()
 #hosts
 hostname = config["hostname"]

http://git-wip-us.apache.org/repos/asf/ambari/blob/6954c558/ambari-server/src/test/python/stacks/2.0.6/HDFS/test_namenode.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/test/python/stacks/2.0.6/HDFS/test_namenode.py b/ambari-server/src/test/python/stacks/2.0.6/HDFS/test_namenode.py
index 1e4142f..a8ab797 100644
--- a/ambari-server/src/test/python/stacks/2.0.6/HDFS/test_namenode.py
+++ b/ambari-server/src/test/python/stacks/2.0.6/HDFS/test_namenode.py
@@ -18,6 +18,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 from ambari_commons import OSCheck
 '''
+import os
+import tempfile
 from stacks.utils.RMFTestCase import *
 from mock.mock import MagicMock, patch
 import resource_management
@@ -777,6 +779,31 @@ class TestNamenode(RMFTestCase):
       )
       self.assertNoMoreResources()
 
+  @patch("resource_management.libraries.script.Script.put_structured_out")
+  @patch("os.system")
+  def test_rebalance_secured_hdfs(self, pso, system_mock):
+
+    system_mock.return_value = -1
+    self.executeScript(self.COMMON_SERVICES_PACKAGE_DIR + "/scripts/namenode.py",
+                       classname = "NameNode",
+                       command = "rebalancehdfs",
+                       config_file = "rebalancehdfs_secured.json",
+                       hdp_stack_version = self.STACK_VERSION,
+                       target = RMFTestCase.TARGET_COMMON_SERVICES
+    )
+    tempdir = tempfile.gettempdir()
+    ccache_path =  os.path.join(tempfile.gettempdir(), "hdfs_rebalance_cc_7add60ca651f1bd1ed909a6668937ba9")
+    kinit_cmd = "/usr/bin/kinit -c {0} -kt /etc/security/keytabs/hdfs.headless.keytab hdfs@EXAMPLE.COM".format(ccache_path)
+    rebalance_cmd = "ambari-sudo.sh su hdfs -l -s /bin/bash -c 'export  PATH=/bin:/usr/bin KRB5CCNAME={0} ; hdfs --config /etc/hadoop/conf balancer -threshold -1'".format(ccache_path)
+    self.assertResourceCalled('Execute', kinit_cmd,
+                              user = 'hdfs',
+                              )
+    self.assertResourceCalled('Execute', rebalance_cmd,
+                              logoutput = False,
+                              on_new_line = FunctionMock('handle_new_line'),
+                              )
+    self.assertNoMoreResources()
+
   @patch("os.path.isfile")
   def test_ranger_installed_missing_file(self, isfile_mock):
     """

http://git-wip-us.apache.org/repos/asf/ambari/blob/6954c558/ambari-server/src/test/python/stacks/2.0.6/configs/rebalancehdfs_secured.json
----------------------------------------------------------------------
diff --git a/ambari-server/src/test/python/stacks/2.0.6/configs/rebalancehdfs_secured.json b/ambari-server/src/test/python/stacks/2.0.6/configs/rebalancehdfs_secured.json
new file mode 100644
index 0000000..f64d78b
--- /dev/null
+++ b/ambari-server/src/test/python/stacks/2.0.6/configs/rebalancehdfs_secured.json
@@ -0,0 +1,395 @@
+{
+    "roleCommand": "CUSTOM_COMMAND", 
+    "clusterName": "pacan", 
+    "hostname": "c6402.ambari.apache.org", 
+    "hostLevelParams": {
+        "jdk_location": "http://c6401.ambari.apache.org:8080/resources/", 
+        "ambari_db_rca_password": "mapred", 
+        "java_home": "/usr/lib/jvm/java-1.6.0-openjdk.x86_64", 
+        "ambari_db_rca_url": "jdbc:postgresql://c6401.ambari.apache.org/ambarirca", 
+        "stack_name": "HDP", 
+        "custom_command": "REBALANCEHDFS", 
+        "oracle_jdbc_url": "http://c6401.ambari.apache.org:8080/resources//ojdbc6.jar", 
+        "repo_info": "[{\"baseUrl\":\"http://public-repo-1.hortonworks.com/HDP/centos6/2.x/updates/2.1.3.0\",\"osType\":\"redhat6\",\"repoId\":\"HDP-2.1\",\"repoName\":\"HDP\",\"defaultBaseUrl\":\"REPLACE_WITH_CENTOS6_URL\",\"latestBaseUrl\":\"http://public-repo-1.hortonworks.com/HDP/centos6/2.x/updates/2.1.3.0\"},{\"baseUrl\":\"http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.17/repos/centos6\",\"osType\":\"redhat6\",\"repoId\":\"HDP-UTILS-1.1.0.17\",\"repoName\":\"HDP-UTILS\",\"defaultBaseUrl\":\"http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.17/repos/centos6\",\"latestBaseUrl\":\"http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.17/repos/centos6\"}]", 
+        "stack_version": "2.1", 
+        "db_name": "ambari7", 
+        "ambari_db_rca_driver": "org.postgresql.Driver", 
+        "ambari_db_rca_username": "mapred", 
+        "db_driver_filename": "mysql-connector-java.jar", 
+        "mysql_jdbc_url": "http://c6401.ambari.apache.org:8080/resources//mysql-connector-java.jar"
+    }, 
+    "commandType": "BACKGROUND_EXECUTION_COMMAND", 
+    "roleParams": {
+        "component_category": "MASTER"
+    }, 
+    "serviceName": "HDFS", 
+    "role": "NAMENODE", 
+    "commandParams": {
+        "jdk_location": "http://c6401.ambari.apache.org:8080/resources/", 
+        "service_package_folder": "HDP/2.0.6/services/HDFS/package", 
+        "script": "scripts/namenode.py", 
+        "hooks_folder": "HDP/2.0.6/hooks", 
+        "command_timeout": "600", 
+        "namenode": "{\"threshold\":\"-1\"}", 
+        "script_type": "PYTHON"
+    }, 
+    "taskId": 104, 
+    "public_hostname": "c6402.ambari.apache.org", 
+    "configurations": {
+        "core-site": {
+            "io.serializations": "org.apache.hadoop.io.serializer.WritableSerialization", 
+            "fs.trash.interval": "360", 
+            "hadoop.security.authentication": "simple", 
+            "io.compression.codecs": "org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.DefaultCodec", 
+            "hadoop.proxyuser.falcon.hosts": "*", 
+            "mapreduce.jobtracker.webinterface.trusted": "false", 
+            "hadoop.security.authorization": "false", 
+            "fs.defaultFS": "hdfs://c6402.ambari.apache.org:8020", 
+            "ipc.client.connect.max.retries": "50", 
+            "ipc.client.idlethreshold": "8000", 
+            "io.file.buffer.size": "131072", 
+            "hadoop.security.auth_to_local": "\n        RULE:[2:$1@$0]([rn]m@.*)s/.*/yarn/\n        RULE:[2:$1@$0](jhs@.*)s/.*/mapred/\n        RULE:[2:$1@$0]([nd]n@.*)s/.*/hdfs/\n        RULE:[2:$1@$0](hm@.*)s/.*/hbase/\n        RULE:[2:$1@$0](rs@.*)s/.*/hbase/\n        DEFAULT", 
+            "ipc.client.connection.maxidletime": "30000", 
+            "hadoop.proxyuser.falcon.groups": "users"
+        }, 
+        "capacity-scheduler": {
+            "yarn.scheduler.capacity.root.default.maximum-capacity": "100", 
+            "yarn.scheduler.capacity.root.default.state": "RUNNING", 
+            "yarn.scheduler.capacity.root.capacity": "100", 
+            "yarn.scheduler.capacity.root.default.capacity": "100", 
+            "yarn.scheduler.capacity.root.queues": "default", 
+            "yarn.scheduler.capacity.maximum-applications": "10000", 
+            "yarn.scheduler.capacity.root.default.user-limit-factor": "1", 
+            "yarn.scheduler.capacity.node-locality-delay": "40", 
+            "yarn.scheduler.capacity.root.default.acl_submit_applications": "*", 
+            "yarn.scheduler.capacity.maximum-am-resource-percent": "0.2", 
+            "yarn.scheduler.capacity.root.acl_administer_queue": "*", 
+            "yarn.scheduler.capacity.root.default.acl_administer_jobs": "*"
+        },
+        "cluster-env": {
+            "security_enabled": "true",
+            "ignore_groupsusers_create": "false",
+            "smokeuser": "ambari-qa",
+            "kerberos_domain": "EXAMPLE.COM",
+            "user_group": "hadoop"
+        },
+        "hadoop-env": {
+            "namenode_opt_maxnewsize": "200m",
+            "hdfs_log_dir_prefix": "/var/log/hadoop",
+            "namenode_heapsize": "1024m", 
+            "namenode_opt_newsize": "200m",
+            "namenode_opt_permsize" : "128m",
+            "namenode_opt_maxpermsize" : "256m",
+            "content": "\n# Set Hadoop-specific environment variables here.\n\n# The only required environment variable is JAVA_HOME.  All others are\n# optional.  When running a distributed configuration it is best to\n# set JAVA_HOME in this file, so that it is correctly defined on\n# remote nodes.\n\n# The java implementation to use.  Required.\nexport JAVA_HOME={{java_home}}\nexport HADOOP_HOME_WARN_SUPPRESS=1\n\n# Hadoop home directory\nexport HADOOP_HOME=${HADOOP_HOME:-/usr/lib/hadoop}\n\n# Hadoop Configuration Directory\n#TODO: if env var set that can cause problems\nexport HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-{{hadoop_conf_dir}}}\n\n{# this is different for HDP1 #}\n# Path to jsvc required by secure HDP 2.0 datanode\nexport JSVC_HOME={{jsvc_path}}\n\n\n# The maximum amount of heap to use, in MB. Default is 1000.\nexport HADOOP_HEAPSIZE=\"{{hadoop_heapsize}}\"\n\nexport HADOOP_NAMENODE_INIT_HEAPSIZE=\"-Xms{{namenode_heapsize}}\"\n\n# Extra Java runtime options.  Empty by defaul
 t.\nexport HADOOP_OPTS=\"-Djava.net.preferIPv4Stack=true ${HADOOP_OPTS}\"\n\n# Command specific options appended to HADOOP_OPTS when specified\nexport HADOOP_NAMENODE_OPTS=\"-server -XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC -XX:ErrorFile={{hdfs_log_dir_prefix}}/$USER/hs_err_pid%p.log -XX:NewSize={{namenode_opt_newsize}} -XX:MaxNewSize={{namenode_opt_maxnewsize}} -XX:PermSize={{namenode_opt_permsize}} -XX:MaxPermSize={{namenode_opt_maxpermsize}} -Xloggc:{{hdfs_log_dir_prefix}}/$USER/gc.log-`date +'%Y%m%d%H%M'` -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -Xms{{namenode_heapsize}} -Xmx{{namenode_heapsize}} -Dhadoop.security.logger=INFO,DRFAS -Dhdfs.audit.logger=INFO,DRFAAUDIT ${HADOOP_NAMENODE_OPTS}\"\nHADOOP_JOBTRACKER_OPTS=\"-server -XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC -XX:ErrorFile={{hdfs_log_dir_prefix}}/$USER/hs_err_pid%p.log -XX:NewSize={{jtnode_opt_newsize}} -XX:MaxNewSize={{jtnode_opt_maxnewsize}} -Xloggc:{{hdfs_log_dir_prefix}
 }/$USER/gc.log-`date +'%Y%m%d%H%M'` -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -Xmx{{jtnode_heapsize}} -Dhadoop.security.logger=INFO,DRFAS -Dmapred.audit.logger=INFO,MRAUDIT -Dhadoop.mapreduce.jobsummary.logger=INFO,JSA ${HADOOP_JOBTRACKER_OPTS}\"\n\nHADOOP_TASKTRACKER_OPTS=\"-server -Xmx{{ttnode_heapsize}} -Dhadoop.security.logger=ERROR,console -Dmapred.audit.logger=ERROR,console ${HADOOP_TASKTRACKER_OPTS}\"\nHADOOP_DATANODE_OPTS=\"-Xmx{{dtnode_heapsize}} -Dhadoop.security.logger=ERROR,DRFAS ${HADOOP_DATANODE_OPTS}\"\nHADOOP_BALANCER_OPTS=\"-server -Xmx{{hadoop_heapsize}}m ${HADOOP_BALANCER_OPTS}\"\n\nexport HADOOP_SECONDARYNAMENODE_OPTS=\"-server -XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC -XX:ErrorFile={{hdfs_log_dir_prefix}}/$USER/hs_err_pid%p.log -XX:NewSize={{namenode_opt_newsize}} -XX:MaxNewSize={{namenode_opt_maxnewsize}} -XX:PermSize={{namenode_opt_permsize}} -XX:MaxPermSize={{namenode_opt_maxpermsize}} -Xloggc:{{hdfs_log_dir_prefix}}/
 $USER/gc.log-`date +'%Y%m%d%H%M'` -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps ${HADOOP_NAMENODE_INIT_HEAPSIZE} -Xmx{{namenode_heapsize}} -Dhadoop.security.logger=INFO,DRFAS -Dhdfs.audit.logger=INFO,DRFAAUDIT ${HADOOP_SECONDARYNAMENODE_OPTS}\"\n\n# The following applies to multiple commands (fs, dfs, fsck, distcp etc)\nexport HADOOP_CLIENT_OPTS=\"-Xmx${HADOOP_HEAPSIZE}m $HADOOP_CLIENT_OPTS\"\n# On secure datanodes, user to run the datanode as after dropping privileges\nexport HADOOP_SECURE_DN_USER={{hdfs_user}}\n\n# Extra ssh options.  Empty by default.\nexport HADOOP_SSH_OPTS=\"-o ConnectTimeout=5 -o SendEnv=HADOOP_CONF_DIR\"\n\n# Where log files are stored.  $HADOOP_HOME/logs by default.\nexport HADOOP_LOG_DIR={{hdfs_log_dir_prefix}}/$USER\n\n# History server logs\nexport HADOOP_MAPRED_LOG_DIR={{mapred_log_dir_prefix}}/$USER\n\n# Where log files are stored in the secure data environment.\nexport HADOOP_SECURE_DN_LOG_DIR={{hdfs_log_dir_prefix}}/$HAD
 OOP_SECURE_DN_USER\n\n# File naming remote slave hosts.  $HADOOP_HOME/conf/slaves by default.\n# export HADOOP_SLAVES=${HADOOP_HOME}/conf/slaves\n\n# host:path where hadoop code should be rsync'd from.  Unset by default.\n# export HADOOP_MASTER=master:/home/$USER/src/hadoop\n\n# Seconds to sleep between slave commands.  Unset by default.  This\n# can be useful in large clusters, where, e.g., slave rsyncs can\n# otherwise arrive faster than the master can service them.\n# export HADOOP_SLAVE_SLEEP=0.1\n\n# The directory where pid files are stored. /tmp by default.\nexport HADOOP_PID_DIR={{hadoop_pid_dir_prefix}}/$USER\nexport HADOOP_SECURE_DN_PID_DIR={{hadoop_pid_dir_prefix}}/$HADOOP_SECURE_DN_USER\n\n# History server pid\nexport HADOOP_MAPRED_PID_DIR={{mapred_pid_dir_prefix}}/$USER\n\nYARN_RESOURCEMANAGER_OPTS=\"-Dyarn.server.resourcemanager.appsummary.logger=INFO,RMSUMMARY\"\n\n# A string representing this instance of hadoop. $USER by default.\nexport HADOOP_IDENT_STRING=$USER\n\n#
  The scheduling priority for daemon processes.  See 'man nice'.\n\n# export HADOOP_NICENESS=10\n\n# Use libraries from standard classpath\nJAVA_JDBC_LIBS=\"\"\n#Add libraries required by mysql connector\nfor jarFile in `ls /usr/share/java/*mysql* 2>/dev/null`\ndo\n  JAVA_JDBC_LIBS=${JAVA_JDBC_LIBS}:$jarFile\ndone\n#Add libraries required by oracle connector\nfor jarFile in `ls /usr/share/java/*ojdbc* 2>/dev/null`\ndo\n  JAVA_JDBC_LIBS=${JAVA_JDBC_LIBS}:$jarFile\ndone\n#Add libraries required by nodemanager\nMAPREDUCE_LIBS={{mapreduce_libs_path}}\nexport HADOOP_CLASSPATH=${HADOOP_CLASSPATH}${JAVA_JDBC_LIBS}:${MAPREDUCE_LIBS}\n\nif [ -d \"/usr/lib/tez\" ]; then\n  export HADOOP_CLASSPATH=$HADOOP_CLASSPATH:/usr/lib/tez/*:/usr/lib/tez/lib/*:/etc/tez/conf\nfi\n\n# Setting path to hdfs command line\nexport HADOOP_LIBEXEC_DIR={{hadoop_libexec_dir}}\n\n#Mostly required for hadoop 2.0\nexport JAVA_LIBRARY_PATH=${JAVA_LIBRARY_PATH}:/usr/lib/hadoop/lib/native/Linux-amd64-64", 
+            "hdfs_user": "hdfs",
+            "dtnode_heapsize": "1024m", 
+            "proxyuser_group": "users",
+            "hadoop_heapsize": "1024", 
+            "hadoop_pid_dir_prefix": "/var/run/hadoop",
+            "hdfs_user_keytab": "/etc/security/keytabs/hdfs.headless.keytab",
+            "hdfs_principal_name": "hdfs@EXAMPLE.COM"
+        }, 
+        "zoo.cfg": {}, 
+        "tez-env": {
+            "content": "\n# Tez specific configuration\nexport TEZ_CONF_DIR={{config_dir}}\n\n# Set HADOOP_HOME to point to a specific hadoop install directory\nexport HADOOP_HOME=${HADOOP_HOME:-{{hadoop_home}}}\n\n# The java implementation to use.\nexport JAVA_HOME={{java64_home}}", 
+            "tez_user": "tez"
+        }, 
+        "tez-site": {
+            "tez.am.shuffle-vertex-manager.max-src-fraction": "0.4", 
+            "tez.task.get-task.sleep.interval-ms.max": "200", 
+            "tez.runtime.intermediate-input.compress.codec": "org.apache.hadoop.io.compress.SnappyCodec", 
+            "tez.yarn.ats.enabled": "true", 
+            "tez.am.log.level": "INFO", 
+            "tez.runtime.intermediate-output.compress.codec": "org.apache.hadoop.io.compress.SnappyCodec", 
+            "tez.runtime.intermediate-output.should-compress": "false", 
+            "tez.lib.uris": "hdfs:///apps/tez/,hdfs:///apps/tez/lib/", 
+            "tez.am.grouping.max-size": "1073741824", 
+            "tez.runtime.intermediate-input.is-compressed": "false", 
+            "tez.am.java.opts": "-server -Xmx546m -Djava.net.preferIPv4Stack=true -XX:+UseNUMA -XX:+UseParallelGC", 
+            "tez.am.env": "LD_LIBRARY_PATH=/usr/lib/hadoop/lib/native:/usr/lib/hadoop/lib/native/`$JAVA_HOME/bin/java -d32 -version &> /dev/null;if [ $? -eq 0 ]; then echo Linux-i386-32; else echo Linux-amd64-64;fi`", 
+            "tez.am.grouping.split-waves": "1.4", 
+            "tez.am.grouping.min-size": "16777216", 
+            "tez.am.container.reuse.enabled": "true", 
+            "tez.session.am.dag.submit.timeout.secs": "300", 
+            "tez.session.client.timeout.secs": "180", 
+            "tez.staging-dir": "/tmp/${user.name}/staging", 
+            "tez.am.am-rm.heartbeat.interval-ms.max": "250", 
+            "tez.am.shuffle-vertex-manager.min-src-fraction": "0.2", 
+            "tez.am.container.reuse.non-local-fallback.enabled": "true", 
+            "tez.am.container.reuse.rack-fallback.enabled": "true", 
+            "tez.am.container.reuse.locality.delay-allocation-millis": "250", 
+            "tez.am.resource.memory.mb": "682", 
+            "tez.am.container.session.delay-allocation-millis": "10000"
+        }, 
+        "mapred-site": {
+            "mapreduce.jobhistory.address": "c6402.ambari.apache.org:10020", 
+            "mapreduce.cluster.administrators": " hadoop", 
+            "mapreduce.reduce.input.buffer.percent": "0.0", 
+            "mapreduce.output.fileoutputformat.compress": "false", 
+            "mapreduce.framework.name": "yarn", 
+            "mapreduce.map.speculative": "false", 
+            "mapreduce.reduce.shuffle.merge.percent": "0.66", 
+            "yarn.app.mapreduce.am.resource.mb": "682", 
+            "mapreduce.map.java.opts": "-Xmx546m", 
+            "mapreduce.application.classpath": "$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/*,$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/*", 
+            "mapreduce.job.reduce.slowstart.completedmaps": "0.05", 
+            "mapreduce.output.fileoutputformat.compress.type": "BLOCK", 
+            "mapreduce.reduce.speculative": "false", 
+            "mapreduce.reduce.java.opts": "-Xmx546m", 
+            "mapreduce.am.max-attempts": "2", 
+            "yarn.app.mapreduce.am.admin-command-opts": "-server -XX:NewRatio=8 -Djava.net.preferIPv4Stack=true -Dhadoop.metrics.log.level=WARN", 
+            "mapreduce.reduce.log.level": "INFO", 
+            "mapreduce.map.sort.spill.percent": "0.7", 
+            "mapreduce.task.timeout": "300000", 
+            "mapreduce.map.memory.mb": "682", 
+            "mapreduce.task.io.sort.factor": "100", 
+            "mapreduce.jobhistory.intermediate-done-dir": "/mr-history/tmp", 
+            "mapreduce.reduce.memory.mb": "682", 
+            "mapreduce.jobhistory.keytab.file": "/etc/security/keytabs/jhs.service.keytab", 
+            "yarn.app.mapreduce.am.log.level": "INFO", 
+            "mapreduce.map.log.level": "INFO", 
+            "mapreduce.shuffle.port": "13562", 
+            "mapreduce.admin.user.env": "LD_LIBRARY_PATH=/usr/lib/hadoop/lib/native:/usr/lib/hadoop/lib/native/`$JAVA_HOME/bin/java -d32 -version &> /dev/null;if [ $? -eq 0 ]; then echo Linux-i386-32; else echo Linux-amd64-64;fi`", 
+            "mapreduce.map.output.compress": "false", 
+            "yarn.app.mapreduce.am.staging-dir": "/user", 
+            "mapreduce.reduce.shuffle.parallelcopies": "30", 
+            "mapreduce.reduce.shuffle.input.buffer.percent": "0.7", 
+            "mapreduce.jobhistory.webapp.address": "c6402.ambari.apache.org:19888", 
+            "mapreduce.jobhistory.done-dir": "/mr-history/done", 
+            "mapreduce.admin.reduce.child.java.opts": "-server -XX:NewRatio=8 -Djava.net.preferIPv4Stack=true -Dhadoop.metrics.log.level=WARN", 
+            "mapreduce.task.io.sort.mb": "273", 
+            "yarn.app.mapreduce.am.command-opts": "-Xmx546m", 
+            "mapreduce.admin.map.child.java.opts": "-server -XX:NewRatio=8 -Djava.net.preferIPv4Stack=true -Dhadoop.metrics.log.level=WARN"
+        }, 
+        "hdfs-site": {
+            "dfs.namenode.avoid.write.stale.datanode": "true", 
+            "dfs.namenode.checkpoint.txns": "1000000", 
+            "dfs.block.access.token.enable": "true", 
+            "dfs.support.append": "true", 
+            "dfs.datanode.address": "0.0.0.0:50010", 
+            "dfs.cluster.administrators": " hdfs", 
+            "dfs.datanode.balance.bandwidthPerSec": "6250000", 
+            "dfs.namenode.safemode.threshold-pct": "1.0f", 
+            "dfs.namenode.checkpoint.edits.dir": "${dfs.namenode.checkpoint.dir}", 
+            "dfs.permissions.enabled": "true", 
+            "dfs.namenode.kerberos.principal": "nn/_HOST@EXAMPLE.COM", 
+            "dfs.namenode.checkpoint.dir": "/hadoop/hdfs/namesecondary", 
+            "dfs.https.port": "50470", 
+            "dfs.namenode.https-address": "c6402.ambari.apache.org:50470", 
+            "dfs.secondary.namenode.kerberos.https.principal": "HTTP/_HOST@EXAMPLE.COM", 
+            "dfs.blockreport.initialDelay": "120", 
+            "dfs.journalnode.edits.dir": "/grid/0/hdfs/journal", 
+            "dfs.blocksize": "134217728", 
+            "dfs.client.read.shortcircuit": "true", 
+            "dfs.datanode.max.transfer.threads": "1024", 
+            "dfs.heartbeat.interval": "3", 
+            "dfs.replication": "3", 
+            "dfs.namenode.handler.count": "40", 
+            "dfs.web.authentication.kerberos.keytab": "/etc/security/keytabs/spnego.service.keytab", 
+            "fs.permissions.umask-mode": "022", 
+            "dfs.namenode.stale.datanode.interval": "30000", 
+            "dfs.datanode.ipc.address": "0.0.0.0:8010", 
+            "dfs.namenode.name.dir": "/hadoop/hdfs/namenode", 
+            "dfs.datanode.data.dir": "/hadoop/hdfs/data", 
+            "dfs.namenode.http-address": "c6402.ambari.apache.org:50070", 
+            "dfs.webhdfs.enabled": "true", 
+            "dfs.datanode.failed.volumes.tolerated": "0", 
+            "dfs.namenode.accesstime.precision": "0", 
+            "dfs.namenode.avoid.read.stale.datanode": "true", 
+            "dfs.namenode.secondary.http-address": "c6402.ambari.apache.org:50090", 
+            "dfs.datanode.kerberos.principal": "dn/_HOST@EXAMPLE.COM", 
+            "dfs.datanode.http.address": "0.0.0.0:50075", 
+            "dfs.datanode.du.reserved": "1073741824", 
+            "dfs.client.read.shortcircuit.streams.cache.size": "4096", 
+            "dfs.namenode.kerberos.https.principal": "HTTP/_HOST@EXAMPLE.COM", 
+            "dfs.secondary.namenode.keytab.file": "/etc/security/keytabs/nn.service.keytab", 
+            "dfs.web.authentication.kerberos.principal": "HTTP/_HOST@EXAMPLE.COM", 
+            "dfs.secondary.namenode.kerberos.principal": "nn/_HOST@EXAMPLE.COM", 
+            "dfs.datanode.keytab.file": "/etc/security/keytabs/dn.service.keytab", 
+            "dfs.namenode.keytab.file": "/etc/security/keytabs/nn.service.keytab", 
+            "dfs.permissions.superusergroup": "hdfs", 
+            "dfs.journalnode.http-address": "0.0.0.0:8480", 
+            "dfs.domain.socket.path": "/var/lib/hadoop-hdfs/dn_socket", 
+            "dfs.namenode.write.stale.datanode.ratio": "1.0f", 
+            "dfs.hosts.exclude": "/etc/hadoop/conf/dfs.exclude", 
+            "dfs.datanode.data.dir.perm": "750", 
+            "dfs.namenode.name.dir.restore": "true", 
+            "dfs.replication.max": "50", 
+            "dfs.namenode.checkpoint.period": "21600"
+        }, 
+        "yarn-env": {
+            "yarn_pid_dir_prefix": "/var/run/hadoop-yarn", 
+            "apptimelineserver_heapsize": "1024", 
+            "nodemanager_heapsize": "1024", 
+            "content": "\nexport HADOOP_YARN_HOME={{hadoop_yarn_home}}\nexport YARN_LOG_DIR={{yarn_log_dir_prefix}}/$USER\nexport YARN_PID_DIR={{yarn_pid_dir_prefix}}/$USER\nexport HADOOP_LIBEXEC_DIR={{hadoop_libexec_dir}}\nexport JAVA_HOME={{java64_home}}\n\n# User for YARN daemons\nexport HADOOP_YARN_USER=${HADOOP_YARN_USER:-yarn}\n\n# resolve links - $0 may be a softlink\nexport YARN_CONF_DIR=\"${YARN_CONF_DIR:-$HADOOP_YARN_HOME/conf}\"\n\n# some Java parameters\n# export JAVA_HOME=/home/y/libexec/jdk1.6.0/\nif [ \"$JAVA_HOME\" != \"\" ]; then\n  #echo \"run java in $JAVA_HOME\"\n  JAVA_HOME=$JAVA_HOME\nfi\n\nif [ \"$JAVA_HOME\" = \"\" ]; then\n  echo \"Error: JAVA_HOME is not set.\"\n  exit 1\nfi\n\nJAVA=$JAVA_HOME/bin/java\nJAVA_HEAP_MAX=-Xmx1000m\n\n# For setting YARN specific HEAP sizes please use this\n# Parameter and set appropriately\nYARN_HEAPSIZE={{yarn_heapsize}}\n\n# check envvars which might override default args\nif [ \"$YARN_HEAPSIZE\" != \"\" ]; then\n  JAVA_HEAP_M
 AX=\"-Xmx\"\"$YARN_HEAPSIZE\"\"m\"\nfi\n\n# Resource Manager specific parameters\n\n# Specify the max Heapsize for the ResourceManager using a numerical value\n# in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set\n# the value to 1000.\n# This value will be overridden by an Xmx setting specified in either YARN_OPTS\n# and/or YARN_RESOURCEMANAGER_OPTS.\n# If not specified, the default value will be picked from either YARN_HEAPMAX\n# or JAVA_HEAP_MAX with YARN_HEAPMAX as the preferred option of the two.\nexport YARN_RESOURCEMANAGER_HEAPSIZE={{resourcemanager_heapsize}}\n\n# Specify the JVM options to be used when starting the ResourceManager.\n# These options will be appended to the options specified as YARN_OPTS\n# and therefore may override any similar flags set in YARN_OPTS\n#export YARN_RESOURCEMANAGER_OPTS=\n\n# Node Manager specific parameters\n\n# Specify the max Heapsize for the NodeManager using a numerical value\n# in the scale of MB. For example, to 
 specify an jvm option of -Xmx1000m, set\n# the value to 1000.\n# This value will be overridden by an Xmx setting specified in either YARN_OPTS\n# and/or YARN_NODEMANAGER_OPTS.\n# If not specified, the default value will be picked from either YARN_HEAPMAX\n# or JAVA_HEAP_MAX with YARN_HEAPMAX as the preferred option of the two.\nexport YARN_NODEMANAGER_HEAPSIZE={{nodemanager_heapsize}}\n\n# Specify the max Heapsize for the HistoryManager using a numerical value\n# in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set\n# the value to 1024.\n# This value will be overridden by an Xmx setting specified in either YARN_OPTS\n# and/or YARN_HISTORYSERVER_OPTS.\n# If not specified, the default value will be picked from either YARN_HEAPMAX\n# or JAVA_HEAP_MAX with YARN_HEAPMAX as the preferred option of the two.\nexport YARN_HISTORYSERVER_HEAPSIZE={{apptimelineserver_heapsize}}\n\n# Specify the JVM options to be used when starting the NodeManager.\n# These options will be
  appended to the options specified as YARN_OPTS\n# and therefore may override any similar flags set in YARN_OPTS\n#export YARN_NODEMANAGER_OPTS=\n\n# so that filenames w/ spaces are handled correctly in loops below\nIFS=\n\n\n# default log directory and file\nif [ \"$YARN_LOG_DIR\" = \"\" ]; then\n  YARN_LOG_DIR=\"$HADOOP_YARN_HOME/logs\"\nfi\nif [ \"$YARN_LOGFILE\" = \"\" ]; then\n  YARN_LOGFILE='yarn.log'\nfi\n\n# default policy file for service-level authorization\nif [ \"$YARN_POLICYFILE\" = \"\" ]; then\n  YARN_POLICYFILE=\"hadoop-policy.xml\"\nfi\n\n# restore ordinary behaviour\nunset IFS\n\n\nYARN_OPTS=\"$YARN_OPTS -Dhadoop.log.dir=$YARN_LOG_DIR\"\nYARN_OPTS=\"$YARN_OPTS -Dyarn.log.dir=$YARN_LOG_DIR\"\nYARN_OPTS=\"$YARN_OPTS -Dhadoop.log.file=$YARN_LOGFILE\"\nYARN_OPTS=\"$YARN_OPTS -Dyarn.log.file=$YARN_LOGFILE\"\nYARN_OPTS=\"$YARN_OPTS -Dyarn.home.dir=$YARN_COMMON_HOME\"\nYARN_OPTS=\"$YARN_OPTS -Dyarn.id.str=$YARN_IDENT_STRING\"\nYARN_OPTS=\"$YARN_OPTS -Dhadoop.root.logger=$
 {YARN_ROOT_LOGGER:-INFO,console}\"\nYARN_OPTS=\"$YARN_OPTS -Dyarn.root.logger=${YARN_ROOT_LOGGER:-INFO,console}\"\nif [ \"x$JAVA_LIBRARY_PATH\" != \"x\" ]; then\n  YARN_OPTS=\"$YARN_OPTS -Djava.library.path=$JAVA_LIBRARY_PATH\"\nfi\nYARN_OPTS=\"$YARN_OPTS -Dyarn.policy.file=$YARN_POLICYFILE\"", 
+            "yarn_heapsize": "1024", 
+            "yarn_user": "yarn", 
+            "resourcemanager_heapsize": "1024", 
+            "yarn_log_dir_prefix": "/var/log/hadoop-yarn",
+            "min_user_id": "1000"
+        }, 
+        "yarn-log4j": {
+            "content": ""
+        }, 
+        "mapreduce2-log4j": {}, 
+        "hdfs-log4j": {
+            "content": "\n#\n# Licensed to the Apache Software Foundation (ASF) under one\n# or more contributor license agreements.  See the NOTICE file\n# distributed with this work for additional information\n# regarding copyright ownership.  The ASF licenses this file\n# to you under the Apache License, Version 2.0 (the\n# \"License\"); you may not use this file except in compliance\n# with the License.  You may obtain a copy of the License at\n#\n#  http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing,\n# software distributed under the License is distributed on an\n# \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n# KIND, either express or implied.  See the License for the\n# specific language governing permissions and limitations\n# under the License.\n#\n\n\n# Define some default values that can be overridden by system properties\nhadoop.root.logger=INFO,console\nhadoop.log.dir=.\nhadoop.log.file=hadoop.log\n\n\n
 # Define the root logger to the system property \"hadoop.root.logger\".\nlog4j.rootLogger=${hadoop.root.logger}, EventCounter\n\n# Logging Threshold\nlog4j.threshhold=ALL\n\n#\n# Daily Rolling File Appender\n#\n\nlog4j.appender.DRFA=org.apache.log4j.DailyRollingFileAppender\nlog4j.appender.DRFA.File=${hadoop.log.dir}/${hadoop.log.file}\n\n# Rollver at midnight\nlog4j.appender.DRFA.DatePattern=.yyyy-MM-dd\n\n# 30-day backup\n#log4j.appender.DRFA.MaxBackupIndex=30\nlog4j.appender.DRFA.layout=org.apache.log4j.PatternLayout\n\n# Pattern format: Date LogLevel LoggerName LogMessage\nlog4j.appender.DRFA.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n\n# Debugging Pattern format\n#log4j.appender.DRFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n\n\n\n#\n# console\n# Add \"console\" to rootlogger above if you want to use this\n#\n\nlog4j.appender.console=org.apache.log4j.ConsoleAppender\nlog4j.appender.console.target=System.err\nlog4j.appender.console.layout=org.apache.
 log4j.PatternLayout\nlog4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{2}: %m%n\n\n#\n# TaskLog Appender\n#\n\n#Default values\nhadoop.tasklog.taskid=null\nhadoop.tasklog.iscleanup=false\nhadoop.tasklog.noKeepSplits=4\nhadoop.tasklog.totalLogFileSize=100\nhadoop.tasklog.purgeLogSplits=true\nhadoop.tasklog.logsRetainHours=12\n\nlog4j.appender.TLA=org.apache.hadoop.mapred.TaskLogAppender\nlog4j.appender.TLA.taskId=${hadoop.tasklog.taskid}\nlog4j.appender.TLA.isCleanup=${hadoop.tasklog.iscleanup}\nlog4j.appender.TLA.totalLogFileSize=${hadoop.tasklog.totalLogFileSize}\n\nlog4j.appender.TLA.layout=org.apache.log4j.PatternLayout\nlog4j.appender.TLA.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n\n\n#\n#Security audit appender\n#\nhadoop.security.logger=INFO,console\nhadoop.security.log.maxfilesize=256MB\nhadoop.security.log.maxbackupindex=20\nlog4j.category.SecurityLogger=${hadoop.security.logger}\nhadoop.security.log.file=SecurityAuth.audit\nlog4j.appender.DRFA
 S=org.apache.log4j.DailyRollingFileAppender\nlog4j.appender.DRFAS.File=${hadoop.log.dir}/${hadoop.security.log.file}\nlog4j.appender.DRFAS.layout=org.apache.log4j.PatternLayout\nlog4j.appender.DRFAS.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n\nlog4j.appender.DRFAS.DatePattern=.yyyy-MM-dd\n\nlog4j.appender.RFAS=org.apache.log4j.RollingFileAppender\nlog4j.appender.RFAS.File=${hadoop.log.dir}/${hadoop.security.log.file}\nlog4j.appender.RFAS.layout=org.apache.log4j.PatternLayout\nlog4j.appender.RFAS.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n\nlog4j.appender.RFAS.MaxFileSize=${hadoop.security.log.maxfilesize}\nlog4j.appender.RFAS.MaxBackupIndex=${hadoop.security.log.maxbackupindex}\n\n#\n# hdfs audit logging\n#\nhdfs.audit.logger=INFO,console\nlog4j.logger.org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit=${hdfs.audit.logger}\nlog4j.additivity.org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit=false\nlog4j.appender.DRFAAUDIT=org.apache.log4j.DailyRollingFileAppe
 nder\nlog4j.appender.DRFAAUDIT.File=${hadoop.log.dir}/hdfs-audit.log\nlog4j.appender.DRFAAUDIT.layout=org.apache.log4j.PatternLayout\nlog4j.appender.DRFAAUDIT.layout.ConversionPattern=%d{ISO8601} %p %c{2}: %m%n\nlog4j.appender.DRFAAUDIT.DatePattern=.yyyy-MM-dd\n\n#\n# mapred audit logging\n#\nmapred.audit.logger=INFO,console\nlog4j.logger.org.apache.hadoop.mapred.AuditLogger=${mapred.audit.logger}\nlog4j.additivity.org.apache.hadoop.mapred.AuditLogger=false\nlog4j.appender.MRAUDIT=org.apache.log4j.DailyRollingFileAppender\nlog4j.appender.MRAUDIT.File=${hadoop.log.dir}/mapred-audit.log\nlog4j.appender.MRAUDIT.layout=org.apache.log4j.PatternLayout\nlog4j.appender.MRAUDIT.layout.ConversionPattern=%d{ISO8601} %p %c{2}: %m%n\nlog4j.appender.MRAUDIT.DatePattern=.yyyy-MM-dd\n\n#\n# Rolling File Appender\n#\n\nlog4j.appender.RFA=org.apache.log4j.RollingFileAppender\nlog4j.appender.RFA.File=${hadoop.log.dir}/${hadoop.log.file}\n\n# Logfile size and and 30-day backups\nlog4j.appender.RFA.MaxF
 ileSize=256MB\nlog4j.appender.RFA.MaxBackupIndex=10\n\nlog4j.appender.RFA.layout=org.apache.log4j.PatternLayout\nlog4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} - %m%n\nlog4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n\n\n\n# Custom Logging levels\n\nhadoop.metrics.log.level=INFO\n#log4j.logger.org.apache.hadoop.mapred.JobTracker=DEBUG\n#log4j.logger.org.apache.hadoop.mapred.TaskTracker=DEBUG\n#log4j.logger.org.apache.hadoop.fs.FSNamesystem=DEBUG\nlog4j.logger.org.apache.hadoop.metrics2=${hadoop.metrics.log.level}\n\n# Jets3t library\nlog4j.logger.org.jets3t.service.impl.rest.httpclient.RestS3Service=ERROR\n\n#\n# Null Appender\n# Trap security logger on the hadoop client side\n#\nlog4j.appender.NullAppender=org.apache.log4j.varia.NullAppender\n\n#\n# Event Counter Appender\n# Sends counts of logging messages at different severity levels to Hadoop Metrics.\n#\nlog4j.appender.EventCounter=org.apache.hadoop.log.metrics.EventCounte
 r\n\n# Removes \"deprecated\" messages\nlog4j.logger.org.apache.hadoop.conf.Configuration.deprecation=WARN"
+        }, 
+        "yarn-site": {
+            "yarn.nodemanager.resource.memory-mb": "2048", 
+            "yarn.nodemanager.disk-health-checker.min-healthy-disks": "0.25", 
+            "yarn.nodemanager.container-executor.class": "org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor", 
+            "yarn.nodemanager.local-dirs": "/hadoop/yarn/local", 
+            "yarn.resourcemanager.resource-tracker.address": "c6402.ambari.apache.org:8025", 
+            "yarn.nodemanager.remote-app-log-dir-suffix": "logs", 
+            "yarn.resourcemanager.hostname": "c6402.ambari.apache.org", 
+            "yarn.nodemanager.health-checker.script.timeout-ms": "60000", 
+            "yarn.resourcemanager.scheduler.class": "org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler", 
+            "yarn.resourcemanager.nodes.exclude-path": "/etc/hadoop/conf/yarn.exclude", 
+            "yarn.scheduler.minimum-allocation-mb": "682", 
+            "yarn.resourcemanager.address": "c6402.ambari.apache.org:8050", 
+            "yarn.resourcemanager.scheduler.address": "c6402.ambari.apache.org:8030", 
+            "yarn.log-aggregation.retain-seconds": "2592000", 
+            "yarn.scheduler.maximum-allocation-mb": "2048", 
+            "yarn.timeline-service.ttl-ms": "2678400000", 
+            "yarn.log-aggregation-enable": "true", 
+            "yarn.nodemanager.address": "0.0.0.0:45454", 
+            "yarn.timeline-service.leveldb-timeline-store.ttl-interval-ms": "300000", 
+            "yarn.nodemanager.container-monitor.interval-ms": "3000", 
+            "yarn.timeline-service.webapp.address": "c6402.ambari.apache.org:8188", 
+            "yarn.timeline-service.enabled": "true", 
+            "yarn.timeline-service.address": "c6402.ambari.apache.org:10200", 
+            "yarn.nodemanager.log.retain-second": "604800", 
+            "yarn.nodemanager.delete.debug-delay-sec": "0", 
+            "yarn.timeline-service.store-class": "org.apache.hadoop.yarn.server.timeline.LeveldbTimelineStore", 
+            "yarn.nodemanager.log-aggregation.compression-type": "gz", 
+            "yarn.nodemanager.log-dirs": "/hadoop/yarn/log", 
+            "yarn.timeline-service.ttl-enable": "true", 
+            "yarn.nodemanager.health-checker.interval-ms": "135000", 
+            "yarn.resourcemanager.am.max-attempts": "2", 
+            "yarn.nodemanager.remote-app-log-dir": "/app-logs", 
+            "yarn.nodemanager.admin-env": "MALLOC_ARENA_MAX=$MALLOC_ARENA_MAX", 
+            "yarn.nodemanager.aux-services": "mapreduce_shuffle", 
+            "yarn.nodemanager.vmem-check-enabled": "false", 
+            "yarn.nodemanager.vmem-pmem-ratio": "2.1", 
+            "yarn.admin.acl": "", 
+            "yarn.resourcemanager.webapp.address": "c6402.ambari.apache.org:8088", 
+            "yarn.timeline-service.leveldb-timeline-store.path": "/hadoop/yarn/timeline", 
+            "yarn.nodemanager.linux-container-executor.group": "hadoop", 
+            "yarn.acl.enable": "false", 
+            "yarn.log.server.url": "http://c6402.ambari.apache.org:19888/jobhistory/logs", 
+            "yarn.application.classpath": "/etc/hadoop/conf,/usr/lib/hadoop/*,/usr/lib/hadoop/lib/*,/usr/lib/hadoop-hdfs/*,/usr/lib/hadoop-hdfs/lib/*,/usr/lib/hadoop-yarn/*,/usr/lib/hadoop-yarn/lib/*,/usr/lib/hadoop-mapreduce/*,/usr/lib/hadoop-mapreduce/lib/*", 
+            "yarn.resourcemanager.admin.address": "c6402.ambari.apache.org:8141", 
+            "yarn.timeline-service.generic-application-history.store-class": "org.apache.hadoop.yarn.server.applicationhistoryservice.NullApplicationHistoryStore", 
+            "yarn.timeline-service.webapp.https.address": "c6402.ambari.apache.org:8190", 
+            "yarn.nodemanager.aux-services.mapreduce_shuffle.class": "org.apache.hadoop.mapred.ShuffleHandler"
+        }, 
+        "zookeeper-env": {
+            "clientPort": "2181", 
+            "zk_user": "zookeeper", 
+            "zk_log_dir": "/var/log/zookeeper", 
+            "syncLimit": "5", 
+            "content": "\nexport JAVA_HOME={{java64_home}}\nexport ZOO_LOG_DIR={{zk_log_dir}}\nexport ZOOPIDFILE={{zk_pid_file}}\nexport SERVER_JVMFLAGS={{zk_server_heapsize}}\nexport JAVA=$JAVA_HOME/bin/java\nexport CLASSPATH=$CLASSPATH:/usr/share/zookeeper/*\n\n{% if security_enabled %}\nexport SERVER_JVMFLAGS=\"$SERVER_JVMFLAGS -Djava.security.auth.login.config={{zk_server_jaas_file}}\"\nexport CLIENT_JVMFLAGS=\"$CLIENT_JVMFLAGS -Djava.security.auth.login.config={{zk_client_jaas_file}}\"\n{% endif %}", 
+            "initLimit": "10", 
+            "zk_pid_dir": "/var/run/zookeeper", 
+            "zk_data_dir": "/hadoop/zookeeper", 
+            "tickTime": "2000"
+        }, 
+        "zookeeper-log4j": {
+            "content": "\n#\n#\n# Licensed to the Apache Software Foundation (ASF) under one\n# or more contributor license agreements.  See the NOTICE file\n# distributed with this work for additional information\n# regarding copyright ownership.  The ASF licenses this file\n# to you under the Apache License, Version 2.0 (the\n# \"License\"); you may not use this file except in compliance\n# with the License.  You may obtain a copy of the License at\n#\n#   http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing,\n# software distributed under the License is distributed on an\n# \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n# KIND, either express or implied.  See the License for the\n# specific language governing permissions and limitations\n# under the License.\n#\n#\n#\n\n#\n# ZooKeeper Logging Configuration\n#\n\n# DEFAULT: console appender only\nlog4j.rootLogger=INFO, CONSOLE\n\n# Example with rolling log file\n#log4
 j.rootLogger=DEBUG, CONSOLE, ROLLINGFILE\n\n# Example with rolling log file and tracing\n#log4j.rootLogger=TRACE, CONSOLE, ROLLINGFILE, TRACEFILE\n\n#\n# Log INFO level and above messages to the console\n#\nlog4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender\nlog4j.appender.CONSOLE.Threshold=INFO\nlog4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout\nlog4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} - %-5p [%t:%C{1}@%L] - %m%n\n\n#\n# Add ROLLINGFILE to rootLogger to get log file output\n#    Log DEBUG level and above messages to a log file\nlog4j.appender.ROLLINGFILE=org.apache.log4j.RollingFileAppender\nlog4j.appender.ROLLINGFILE.Threshold=DEBUG\nlog4j.appender.ROLLINGFILE.File=zookeeper.log\n\n# Max log file size of 10MB\nlog4j.appender.ROLLINGFILE.MaxFileSize=10MB\n# uncomment the next line to limit number of backup files\n#log4j.appender.ROLLINGFILE.MaxBackupIndex=10\n\nlog4j.appender.ROLLINGFILE.layout=org.apache.log4j.PatternLayout\nlog4j.appender.ROLLIN
 GFILE.layout.ConversionPattern=%d{ISO8601} - %-5p [%t:%C{1}@%L] - %m%n\n\n\n#\n# Add TRACEFILE to rootLogger to get log file output\n#    Log DEBUG level and above messages to a log file\nlog4j.appender.TRACEFILE=org.apache.log4j.FileAppender\nlog4j.appender.TRACEFILE.Threshold=TRACE\nlog4j.appender.TRACEFILE.File=zookeeper_trace.log\n\nlog4j.appender.TRACEFILE.layout=org.apache.log4j.PatternLayout\n### Notice we are including log4j's NDC here (%x)\nlog4j.appender.TRACEFILE.layout.ConversionPattern=%d{ISO8601} - %-5p [%t:%C{1}@%L][%x] - %m%n"
+        }, 
+        "mapred-env": {
+            "content": "\n# export JAVA_HOME=/home/y/libexec/jdk1.6.0/\n\nexport HADOOP_JOB_HISTORYSERVER_HEAPSIZE={{jobhistory_heapsize}}\n\nexport HADOOP_MAPRED_ROOT_LOGGER=INFO,RFA\n\n#export HADOOP_JOB_HISTORYSERVER_OPTS=\n#export HADOOP_MAPRED_LOG_DIR=\"\" # Where log files are stored.  $HADOOP_MAPRED_HOME/logs by default.\n#export HADOOP_JHS_LOGGER=INFO,RFA # Hadoop JobSummary logger.\n#export HADOOP_MAPRED_PID_DIR= # The pid files are stored. /tmp by default.\n#export HADOOP_MAPRED_IDENT_STRING= #A string representing this instance of hadoop. $USER by default\n#export HADOOP_MAPRED_NICENESS= #The scheduling priority for daemons. Defaults to 0.", 
+            "mapred_pid_dir_prefix": "/var/run/hadoop-mapreduce", 
+            "mapred_user": "mapred", 
+            "jobhistory_heapsize": "900", 
+            "mapred_log_dir_prefix": "/var/log/hadoop-mapreduce"
+        }
+    }, 
+    "configurationTags": {
+        "capacity-scheduler": {
+            "tag": "version1"
+        }, 
+        "tez-site": {
+            "tag": "version1"
+        }, 
+        "zoo.cfg": {
+            "tag": "version1"
+        }, 
+        "tez-env": {
+            "tag": "version1"
+        }, 
+        "mapreduce2-log4j": {
+            "tag": "version1"
+        }, 
+        "mapred-site": {
+            "tag": "version1"
+        }, 
+        "hdfs-site": {
+            "tag": "version1"
+        }, 
+        "yarn-site": {
+            "tag": "version1"
+        }, 
+        "yarn-env": {
+            "tag": "version1"
+        }, 
+        "yarn-log4j": {
+            "tag": "version1"
+        }, 
+        "core-site": {
+            "tag": "version1"
+        }, 
+        "hdfs-log4j": {
+            "tag": "version1"
+        }, 
+        "hadoop-env": {
+            "tag": "version1"
+        }, 
+        "zookeeper-env": {
+            "tag": "version1"
+        }, 
+        "zookeeper-log4j": {
+            "tag": "version1"
+        }, 
+        "mapred-env": {
+            "tag": "version1"
+        }
+    }, 
+    "commandId": "11-1", 
+    "clusterHostInfo": {
+        "snamenode_host": [
+            "c6402.ambari.apache.org"
+        ], 
+        "nm_hosts": [
+            "c6402.ambari.apache.org"
+        ], 
+        "app_timeline_server_hosts": [
+            "c6402.ambari.apache.org"
+        ], 
+        "all_ping_ports": [
+            "8670"
+        ], 
+        "rm_host": [
+            "c6402.ambari.apache.org"
+        ], 
+        "all_hosts": [
+            "c6402.ambari.apache.org"
+        ], 
+        "slave_hosts": [
+            "c6402.ambari.apache.org"
+        ], 
+        "namenode_host": [
+            "c6402.ambari.apache.org"
+        ], 
+        "ambari_server_host": [
+            "c6401.ambari.apache.org"
+        ], 
+        "zookeeper_hosts": [
+            "c6402.ambari.apache.org"
+        ], 
+        "hs_host": [
+            "c6402.ambari.apache.org"
+        ]
+    }
+}


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