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From swa...@apache.org
Subject git commit: AMBARI-4440. Package hadoop.sh script for RHEL HA in Ambari Release. (swagle)
Date Mon, 27 Jan 2014 23:23:21 GMT
Updated Branches:
  refs/heads/trunk 60c16d770 -> 21566f28f


AMBARI-4440. Package hadoop.sh script for RHEL HA in Ambari  Release. (swagle)


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/21566f28
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/21566f28
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/21566f28

Branch: refs/heads/trunk
Commit: 21566f28fbd867c0988fdf34ff2a5c184d9aa4f3
Parents: 60c16d7
Author: Siddharth Wagle <swagle@hortonworks.com>
Authored: Mon Jan 27 15:23:08 2014 -0800
Committer: Siddharth Wagle <swagle@hortonworks.com>
Committed: Mon Jan 27 15:23:08 2014 -0800

----------------------------------------------------------------------
 ambari-server/pom.xml                           |  17 +-
 .../src/main/resources/scripts/hadoop.sh        | 620 +++++++++++++++++++
 2 files changed, 621 insertions(+), 16 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ambari/blob/21566f28/ambari-server/pom.xml
----------------------------------------------------------------------
diff --git a/ambari-server/pom.xml b/ambari-server/pom.xml
index 50180fb..d51f40d 100644
--- a/ambari-server/pom.xml
+++ b/ambari-server/pom.xml
@@ -337,22 +337,7 @@
               <filemode>755</filemode>
               <sources>
                 <source>
-                  <location>src/main/resources/scripts/install_flume.sh</location>
-                </source>
-                <source>
-                  <location>src/main/resources/scripts/configs.sh</location>
-                </source>
-                <source>
-                  <location>src/main/resources/scripts/keytabs.sh</location>
-                </source>
-                <source>
-                  <location>src/main/resources/scripts/distribute_keytabs.py</location>
-                </source>
-                <source>
-                  <location>src/main/python/UpgradeHelper_HDP2.py</location>
-                </source>
-                <source>
-                  <location>src/main/resources/scripts/relocate_host_components.py</location>
+                  <location>src/main/resources/scripts</location>
                 </source>
               </sources>
             </mapping>

http://git-wip-us.apache.org/repos/asf/ambari/blob/21566f28/ambari-server/src/main/resources/scripts/hadoop.sh
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/scripts/hadoop.sh b/ambari-server/src/main/resources/scripts/hadoop.sh
new file mode 100644
index 0000000..f991185
--- /dev/null
+++ b/ambari-server/src/main/resources/scripts/hadoop.sh
@@ -0,0 +1,620 @@
+#!/bin/bash
+#
+#   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.
+# 
+
+
+
+# This is a resource agent for controlling hadoop daemons from 
+# cluster.
+
+# Source function library
+. /etc/init.d/functions 
+
+# OCF_ROOT is ./usr/lib/ocf
+: ${OCF_FUNCTIONS_DIR=$(dirname $0)}
+. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
+
+
+
+# Source networking configuration
+[ -f /etc/sysconfig/network ] && . /etc/sysconfig/network
+
+# Check that networking is up
+[ "${NETWORKING}" = "no" ] && exit ${OCF_ERR_INSTALLED}
+
+# Pull in Hadoop facts
+
+. /etc/default/hadoop
+. /etc/hadoop/conf/hadoop-env.sh
+
+if [ "${OCF_RESKEY_daemon}" == "namenode" ]; then
+  user="${HADOOP_NAMENODE_USER}"
+else
+  user="${HADOOP_JOBTRACKER_USER}"
+fi
+
+# The program being managed
+program=hadoop-daemon.sh
+DAEMON=${HADOOP_HOME}/bin/$program
+# the HA probe script
+HAPROBE=${HADOOP_HOME}/monitor/haprobe.sh 
+
+
+
+#This isn't in the 5x so here is a rewrite of the core operations
+# Input: a command and arguments
+# out: 0 or OCF_ERR_GENERIC.
+ocf_run() {
+
+  out=`"$@" 2>&1`
+  #`"$@"`
+  retval=$?
+  if ((${retval} == 0))
+  then
+    ocf_log info ${out}
+  else
+    echo $out
+    ocf_log err ${out}
+    ocf_log err "Command $* failed with return code ${retval}"
+    retval=${OCF_ERR_GENERIC} 
+  fi
+  return ${retval};
+}
+
+
+#this is here as the ocf command is missing
+ocf_is_decimal () { 
+  let i=10#$1 2>/dev/null; 
+}
+
+# Generate the metadata about this cluster entry
+
+# IMPORTANT WARNING FOR PEOPLE MAINTAINING THIS
+# NO NOT PUT ANY QUOTES IN THE DESCRIPTION TEXT.
+# --THESE ARE CONVERTED INTO ATTRIBUTES FOR SCHEMA VALIDATION; QUOTES BREAKS THIS
+#
+
+metadata() {
+  cat <<EOT
+<?xml version="1.0"?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1-modified.dtd">
+<resource-agent version="rgmanager 2.0" name="hadoop">
+  <version>1.0</version>
+
+  <longdesc lang="en">
+    Apache Hadoop resource agent
+  </longdesc>
+  <shortdesc lang="en">
+    hadoop resource agent
+  </shortdesc>
+
+  <parameters>
+    <parameter name="name" unique="1" primary="1">
+      <shortdesc lang="en">
+        Symbolic name for this hadoop service
+      </shortdesc>
+      <longdesc lang="en">
+        Symbolic name for this hadoop service, e.g. NameNode Process 
+      </longdesc>
+      <content type="string"/>
+    </parameter>
+
+    <parameter name="daemon" unique="0" required="1">
+      <shortdesc lang="en">
+        The hadoop daemon name to run
+      </shortdesc>
+      <longdesc lang="en">
+        The hadoop daemon name to run, e.g. namenode
+      </longdesc>
+      <content type="string"/>
+    </parameter>
+
+    <parameter name="ambariproperties" unique="0" required="0">
+      <shortdesc lang="en">
+        Ambari properties as comma separated key value pairs
+      </shortdesc>
+      <longdesc lang="en">
+        Example property value:
+        ambariproperties="server=localhost,port=8080,protocol=http,user=admin,password=admin,cluster=c1,output=/var/log/ambari_relocate.log"
+      </longdesc>
+      <content type="string"/>
+    </parameter>
+
+    <parameter name="url" unique="0" required="0">
+      <shortdesc lang="en">
+        URL to probe, use empty string or null to indicate undefined
+      </shortdesc>
+      <longdesc lang="en">
+        URL to probe, use empty string or null to indicate undefined
+      </longdesc>
+      <content type="string"/>
+    </parameter>
+  
+    <parameter name="pid" unique="0" required="0">
+      <shortdesc lang="en">
+        The filename of any .pid file to monitor.
+      </shortdesc>
+      <longdesc lang="en">
+        The filename of any .pid file identifying a process to monitor.
+        This is of little benefit when monitoring a live cluster, as the HTTP and IPC
+        probes are more rigorous. Probing the process by pay of the pid file
+        is most useful during startup, as it can detect the failure of a process
+        early.
+      </longdesc>
+      <content type="string"/>
+    </parameter>
+       
+    <parameter name="path" unique="0" required="0">
+      <shortdesc lang="en">
+        The directory path in HDFS to probe
+      </shortdesc>
+      <longdesc lang="en">
+        The path in the HDFS filesystem to probe; default is "/"
+      </longdesc>
+      <content type="string"/>
+    </parameter>
+    
+    <parameter name="boottime" unique="0" required="0">
+      <shortdesc lang="en">
+        The time in milliseconds that the service is required to be live by.
+      </shortdesc>
+      <longdesc lang="en">
+        The time in milliseconds that the service is required to be live by.
+        For the Namenode, this includes the time to replay the edit log.
+      </longdesc>
+      <content type="integer" default="180000"/>
+    </parameter>    
+    
+    <parameter name="probetime" unique="0" required="0">
+      <shortdesc lang="en">
+        The time in milliseconds that a probe should take.
+      </shortdesc>
+      <longdesc lang="en">
+        The maximum time in milliseconds that a probe should take. This must be
+        long enough to cover GC pauses, so that a long GC does not get mistaken
+        for a hung process.
+      </longdesc>
+      <content type="integer" default="120000"/>
+    </parameter>
+ 
+     <parameter name="stoptime" unique="0" required="0">
+      <shortdesc lang="en">
+        The time in milliseconds that the service is required to be stop gracefully by.
+      </shortdesc>
+      <longdesc lang="en">
+        The time in milliseconds that the service is required to to come to 
+        a clean halt.
+        If the process has not finished by the end of this time period, it
+        is forcefully killed via a kill-9 command.
+      </longdesc>
+      <content type="integer" default="60000"/>
+    </parameter>    
+    
+    <parameter name="waitfs" unique="0" required="0">
+      <shortdesc lang="en">
+        flag to indicate whether or not the filesystem needs to come up first
+      </shortdesc>
+      <longdesc lang="en">
+      Indicate that the HA monitor should wait until the fs is live before
+      declaring that the service is live
+      </longdesc>
+      <content type="boolean" default="false"/>
+    </parameter>    
+    
+  </parameters>
+
+  <actions>
+  
+    <!-- start time doesnt provide a timeout hint as waitfs actions
+     may need to block startup for an extended period of time. -->
+    <action name="start" />
+    <action name="stop" timeout="100s"/>
+    <!-- includes shutdown time and edit log time -->
+    <action name="recover" timeout="4m"/>
+
+    <!-- Regular status check -->
+    <action name="monitor" interval="20s" timeout="120s"/>
+    <action name="status" interval="20s" timeout="120s"/>
+
+    <!-- Depth checks -->
+    <!-- This depth checks hdfs is accessible --> 
+    <!-- <action name="monitor" depth="10" interval="30s" timeout="120s"/> -->

+    <!-- <action name="status" depth="10" interval="30s" timeout="120s"/> -->

+
+    <action name="meta-data" timeout="5s"/>
+    <action name="validate-all" timeout="5s"/>
+  </actions>
+</resource-agent>
+EOT
+}
+
+#If you want to test the scripts, set some properties
+# export OCF_RESKEY_httpport="50070"
+# export OCF_RESKEY_daemon="namenode"
+# export OCF_RESKEY_ip="localhost"
+# export OCF_CHECK_LEVEL="100"
+
+
+# Start the operation
+start() {
+  assert_binary
+
+  ocf_log info "Starting hadoop-${OCF_RESKEY_daemon}"
+  daemon --user ${user} --check ${DAEMON} ${DAEMON} --config /etc/hadoop/conf start ${OCF_RESKEY_daemon}
+  RETVAL=$?
+  if [ ${RETVAL} -ne 0 ]; then
+    ocf_log err "Failed to start ${DAEMON}: ${RETVAL}"
+    return ${RETVAL}
+  fi
+  sleep 15
+
+  dfs_bootstrap_check
+  RETVAL=$?
+  echo
+  if [ ${RETVAL} -ne 0 ]; then
+    ocf_log err "Failed to start dfs_bootstrap_check}: ${RETVAL}"
+    return ${OCF_ERR_GENERIC}
+  fi
+  return 0
+}
+
+stop() {
+  HADOOP_STOP_TIMEOUT=${OCF_RESKEY_stoptime}
+  ocf_log info "Stopping hadoop-${OCF_RESKEY_daemon} with timeout ${HADOOP_STOP_TIMEOUT}"
+  daemon --user ${user} --check ${DAEMON} ${DAEMON} --config /etc/hadoop/conf stop ${OCF_RESKEY_daemon}
+  RETVAL=$?
+  ocf_log info "stop command issued, retval is ${RETVAL}"
+  if [ ${RETVAL} -ne 0 ]; then
+    ocf_log err "Failed to stop ${program} ${OCF_RESKEY_daemon}"
+    return ${OCF_ERR_GENERIC}
+  fi
+    
+  echo
+  # Spin waiting for shutdown
+    
+#  while url_check
+#  do
+#    ocf_log debug "Resource has not stopped yet, waiting"
+#    sleep 15
+#  done
+#  
+  return ${OCF_SUCCESS}
+}
+
+#
+# Verify the binary is installed
+#
+# Usage: verify_binary
+# Result: $OCF_ERR_INSTALLED = binary not installed
+#         0                  = binary installed
+#
+verify_binary() {
+    # Report that $prog does not exist, or is not executable
+  if [ ! -x "${DAEMON}" ];  then
+    ocf_log err "Binary ${DAEMON} doesn't exist"
+    return ${OCF_ERR_INSTALLED}
+  fi
+  return ${OCF_SUCCESS}
+}
+
+assert_binary() {
+  verify_binary || exit $?
+}
+
+
+
+
+# status checking. 
+# This exits during its execution, as this simplifies
+# the logic for different layers of check
+status_check() {
+
+#    assert_arguments_are_valid
+    ocf_log info "Checking ${OCF_RESKEY_daemon}, Level ${OCF_CHECK_LEVEL}"
+
+    #look for the check level as in some tests it isn't set 
+    if [ "x" == "x${OCF_CHECK_LEVEL}" ]
+    then 
+      ocf_log err "Environment variable OCF_CHECK_LEVEL not set"
+      exit ${OCF_ERR_ARGS}
+    fi
+    retval=0
+    # website check
+#    url_check
+#    retval=$?
+
+#    retval=pid_check
+#    if [ $retval -ne 0 ]
+#    then
+#      exit ${retval}
+#    fi
+#  
+#    [ "${OCF_CHECK_LEVEL}" -lt 10 ] && exit ${retval}
+
+    # Depth level 10 check
+
+
+    dfs_check
+    retval=$?
+#
+#    if [ $? -ne 0 ]; then
+#      retval=${OCF_NOT_RUNNING}
+#    fi
+    exit ${retval}
+}
+
+
+# HA probe
+dfs_check() {
+
+  ocf_run "${HAPROBE}" --file ${OCF_RESKEY_path}  --pid ${OCF_RESKEY_pid} --url ${OCF_RESKEY_url}
--timeout ${OCF_RESKEY_probetime}
+  if [ $? -ne 0 ]
+  then
+    ocf_log warn "Service ${OCF_RESKEY_daemon} is not running according to checks: -file
${OCF_RESKEY_path}  --pid ${OCF_RESKEY_pid} --url ${OCF_RESKEY_url} "
+    return ${OCF_NOT_RUNNING}
+  fi
+  return ${OCF_SUCCESS}
+}
+
+# Run a bootstrap check
+# this can include different probes and timeouts
+dfs_bootstrap_check() {
+
+  ocf_run "${HAPROBE}" --file ${OCF_RESKEY_path}  --pid ${OCF_RESKEY_pid} --url ${OCF_RESKEY_url}
--timeout ${OCF_RESKEY_probetime} --boottimeout ${OCF_RESKEY_boottime} --waitfs ${OCF_RESKEY_waitfs}
+  if [ $? -ne 0 ]
+  then
+    ocf_log warn "Service ${OCF_RESKEY_daemon} is not booting according to checks: -file
${OCF_RESKEY_path}  --pid ${OCF_RESKEY_pid} --url ${OCF_RESKEY_url} "
+    return ${OCF_NOT_RUNNING}
+  fi
+  return ${OCF_SUCCESS}
+}
+
+
+# this is a PID check 
+pid_check() {
+  ocf_run "${HAPROBE} --pid ${OCF_RESKEY_pid}"
+  if [ $? -ne 0 ]; then
+    return ${OCF_NOT_RUNNING}
+  fi
+  return ${OCF_SUCCESS}
+}
+
+# fill in the default values of a service
+fill_in_defaults() {
+  : ${OCF_RESKEY_boottime="180000"}
+  : ${OCF_RESKEY_daemon="namenode"}
+  : ${OCF_RESKEY_httpport="50070"}
+  : ${OCF_RESKEY_ip="localhost"}
+  : ${OCF_RESKEY_path="/"}
+  : ${OCF_RESKEY_pid="null"}
+  : ${OCF_RESKEY_probetime="120000"}
+  : ${OCF_RESKEY_stoptime="60000"}
+  : ${OCF_RESKEY_url="http://localhost:50070/"}
+  : ${OCF_RESKEY_waitfs="false"}
+}
+
+dump_environment() {
+  ocf_log info `env`
+}
+
+# Relocate Ambari managed master to current host on failover
+execute_ambari_relocate_probe() {
+  retval = parse_and_validate_ambari_properties
+  if [ $retval -eq 2 ] ; then
+    return 0
+  elif [ $retval -eq 1 ] ; then
+    exit ${retval}
+  fi
+
+  if [ -z "$AMBARI_RELOCATE_PROBE" ] ; then
+    AMBARI_RELOCATE_PROBE="relocate_resources.py"
+  fi
+
+  NEW_HOSTNAME=$(hostname -f)
+
+  if [ "${OCF_RESKEY_daemon}" == "namenode" ] ; then
+    SERVICE_NAME="HDFS"
+    COMP_NAME="NAMENODE"
+  elif [ "${OCF_RESKEY_daemon}" == "jobtracker" ] ; then
+    SERVICE_NAME="MAPREDUCE"
+    COMP_NAME="JOBTRACKER"
+  elif [ "${OCF_RESKEY_daemon}" == "historyserver" ] ; then
+    SERVICE_NAME="MAPREDUCE"
+    COMP_NAME="JOBTRACKER"
+  else
+    ocf_log err "Unknown daemon ${OCF_RESKEY_daemon}"
+    return ${OCF_ERR_ARGS};
+  fi
+
+  if [ -n "${AMBARI_OUTPUT}" ]; then
+    OUPUT_FILE_CMD="-o ${AMBARI_OUTPUT}"
+  fi
+
+  "${AMBARI_RELOCATE_PROBE}" -s ${AMBARI_SERVER} -p ${AMBARI_PORT} -r ${AMBARI_PROTOCOL}
-c ${AMBARI_CLUSTER} -e "${SERVICE_NAME}" -m "${COMP_NAME}" -n "${NEW_HOSTNAME}" -u "${AMBARI_USER}"
-w "${AMBARI_PASSWD} ${OUPUT_FILE_CMD}"
+
+  retval=$?
+  if [ $retval -eq 0 ] ; then
+    ocf_log info "Ambari master successfully relocated."
+  elif [ $retval -eq 1 ] ; then
+    ocf_log error "Ambari relocate master failed. Continuing with failover..."
+  elif [ $retval -eq 2 ] ; then
+    ocf_log info "No action required from ambari probe."
+  elif [ $retval -eq 3 ] ; then
+    ocf_log err "Ambari relocate request verification failed. Exiting..."
+    exit ${retval}
+  else
+    ocf_log error "Unknown return code from ambari probe ${retval}."
+  fi
+
+  return $retval
+}
+
+# Read Ambari properties as comma separated key value pairs from cluster.conf
+# Property name: 'ambariproperties'.
+# Example property value:
+# ambariproperties="server=localhost,port=8080,protocol=http,user=admin,password=admin,cluster=c1,output=/var/log/ambari_relocate.log"
+parse_and_validate_ambari_properties() {
+  if [ -n "${OCF_RESKEY_ambariproperties}" ] ; then
+    ocf_log info "Ambari properties found: ${OCF_RESKEY_ambariproperties}"
+
+    IFS=',' read -ra properties <<< $OCF_RESKEY_ambariproperties
+
+    for i in $properties; do
+      if [[ "$i" == "server"* ]] ; then AMBARI_SERVER=$(echo $i | cut -d"=" -f2); fi
+      if [[ "$i" == "port"* ]] ; then AMBARI_PORT=$(echo $i | cut -d"=" -f2); fi
+      if [[ "$i" == "protocol"* ]] ; then AMBARI_PROTOCOL=$(echo $i | cut -d"=" -f2); fi
+      if [[ "$i" == "user"* ]] ; then AMBARI_USER=$(echo $i | cut -d"=" -f2); fi
+      if [[ "$i" == "password"* ]] ; then AMBARI_PASSWD=$(echo $i | cut -d"=" -f2); fi
+      if [[ "$i" == "cluster"* ]] ; then AMBARI_CLUSTER=$(echo $i | cut -d"=" -f2); fi
+      if [[ "$i" == "output"* ]] ; then AMBARI_OUTPUT=$(echo $i | cut -d"=" -f2); fi
+    done
+
+    if [ -z "${AMBARI_SERVER}" ] ; then
+      ocf_log err "required ambari property 'server' is unset"
+      return 1
+    fi
+
+    if [ -z "${AMBARI_PORT}" ] ; then
+      ocf_log err "required ambari property 'port' is unset"
+      return 1
+    fi
+
+    if [ -z "${AMBARI_PROTOCOL}" ] ; then
+      ocf_log err "required ambari property 'protocol' is unset"
+      return 1
+    fi
+
+    if [ -z "${AMBARI_USER}" ] ; then
+      ocf_log err "required ambari property 'user' is unset"
+      return 1
+    fi
+
+    if [ -z "${AMBARI_PASSWD}" ] ; then
+      ocf_log err "required ambari property 'password' is unset"
+      return 1
+    fi
+
+    if [ -z "${AMBARI_CLUSTER}" ] ; then
+      ocf_log err "required ambari property 'cluster' is unset"
+      return 1
+    fi
+
+  else
+    ocf_log info "No Ambari properties found."
+    return 2
+  fi
+}
+
+# validate the arguments to the service.
+# this assumes that the defaults have been pushed in so only check for existence of the mandatory
properties
+# and that the numeric properties are valid
+validate_arguments_and_state() {
+  if [ "x" == "x${OCF_RESKEY_daemon}" ] ; then
+    dump_environment
+    ocf_log err "required property 'daemon' is unset"
+    return ${OCF_ERR_ARGS};
+  fi
+
+  if ! ocf_is_decimal "${OCF_RESKEY_boottime}"; then
+    ocf_log err "Option 'boottime' is not numeric!"
+    return ${OCF_ERR_CONFIGURED}
+  fi
+
+  if ! ocf_is_decimal "${OCF_RESKEY_probetime}"; then
+    ocf_log err "Option 'probetime' is not numeric!"
+    return ${OCF_ERR_CONFIGURED}
+  fi
+
+  verify_binary
+  return $?
+}
+
+# validate the arguments; exit with an error code
+# if they are not
+assert_arguments_are_valid() {
+ validate_arguments_and_state
+ retval=$?
+ [ ${retval} -ne 0 ] && exit ${retval}
+}
+
+
+# ================================================================================
+# This is the live code
+# ================================================================================
+# Entry point checks parameters
+fill_in_defaults
+
+# then switch on the argument
+case "$1" in
+  start)
+    assert_arguments_are_valid
+    [ $? -eq 0 ] && exit 0
+    execute_ambari_relocate_probe
+    start
+    exit $?
+    ;;
+
+  stop)
+#    assert_arguments_are_valid
+    if ! stop; then
+      exit ${OCF_ERR_GENERIC}
+    fi
+    exit 0
+    ;;
+
+  status|monitor)
+    # check the status of the live system
+    status_check 
+    ;;
+
+  meta-data)
+    # generate the metadata
+    metadata
+    exit 0
+    ;;
+
+  recover|restart)
+ #   validate_arguments_and_state
+    execute_ambari_relocate_probe
+    ocf_log info "Service restart"
+    $0 stop  || exit ${OCF_ERR_GENERIC}
+    $0 start || exit ${OCF_ERR_GENERIC}
+    exit 0
+    ;;
+
+  validate-all)
+    validate_arguments_and_state
+    exit $?
+    ;;
+
+  # this is a non-standard operation to work out what is going on  
+  diagnostics)
+    echo PATH=${PATH}
+    echo java is at `which java`
+    echo JAVA_HOME is ${JAVA_HOME}
+    dump_environment
+    exit 0
+    ;;
+
+  *)
+    echo $"Usage: $0 {start|stop|status|monitor|restart|recover|validate-all|meta-data|diagnostics}"
+    exit ${OCF_ERR_UNIMPLEMENTED}
+    ;;
+
+esac
+


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