HAWQ-1415. Set the default_value of JAVA_HOME for running RPS (closes #…

…1206).

ranger-plugin/conf/rps.properties

@@ -36,3 +36,6 @@ RPS_HEAP_SIZE=128m
 
 # use CATALINA_HOME in default and use /usr/lib/bigtop-tomcat if CATALINA_HOME not set
 CATALINA_HOME=${CATALINA_HOME:-/usr/lib/bigtop-tomcat}
+
+# use JAVA_HOME in default and use /usr/java/default if JAVA_HOME not set
+JAVA_HOME=${JAVA_HOME:-/usr/java/default}

ranger-plugin/scripts/enable-ranger-plugin.sh

@@ -150,7 +150,7 @@ function validate_params() {
   get_hawq_password
   echo "RANGER URL  = ${RANGER_URL}" 
   echo "RANGER User = ${RANGER_USER}" 
-  echo "RANGER Password = $(mask ${RANGER_PASSWORD})" 
+  echo "RANGER Password = $(mask ${RANGER_PASSWORD})"
   echo "HAWQ HOST = ${HAWQ_HOST}"
   echo "HAWQ PORT = ${HAWQ_PORT}"  
   echo "HAWQ User = ${HAWQ_USER}" 
@@ -211,6 +211,28 @@ function update_ranger_url() {
   echo "Updated POLICY_MGR_URL to ${policy_mgr_url} in ${prop_file}"
 }
 
+function update_java_home() {
+  local jdk64="/usr/jdk64"
+  local java_sdk="/etc/alternatives/java_sdk"
+
+  if [[ -d ${jdk64} ]]; then
+    local DIR_NAME=$(ls ${jdk64} | sort -r | head -1)
+    if [[ ${DIR_NAME} ]]; then
+      JAVA_HOME_DIR="${jdk64}/${DIR_NAME}"
+    fi
+  elif [[ -d ${java_sdk} ]]; then
+    JAVA_HOME_DIR="${java_sdk}"
+  fi
+
+  if [[ ${JAVA_HOME_DIR} ]]; then
+    local prop_file=$(dirname ${SCRIPT_DIR})/etc/rps.properties
+    sed -i -e "s|/usr/java/default|${JAVA_HOME_DIR}|g" ${prop_file}
+    echo "Updated default value of JAVA_HOME to ${JAVA_HOME_DIR} in ${prop_file}"
+  elif [[ ! ${JAVA_HOME} ]]; then
+    echo "Unable to locate JAVA_HOME on this machine. Please modify the default value of JAVA_HOME in ${prop_file}."
+  fi
+}
+
 main() {
   if [[ $# -lt 1 ]]; then
     usage
@@ -221,5 +243,6 @@ main() {
   create_hawq_service_definition
   create_hawq_service_instance
   update_ranger_url
+  update_java_home
 }
 main "$@"

ranger-plugin/scripts/rps.sh

@@ -32,6 +32,7 @@ BASEDIR=$( dirname ${CWDIR} )
 # read properties from the file
 source ${BASEDIR}/etc/rps.properties
 
+export JAVA_HOME
 export CATALINA_HOME
 export CATALINA_BASE=${BASEDIR}/plugin-service
 export CATALINA_PID=${CATALINA_BASE}/work/rps.pid