standalone.conf

#!/bin/bash

function print_sed_exp_replace_env_var {
  sed_exp=""
  for openshift_var in $(env | grep ^OPENSHIFT_ | awk -F '=' '{print $1}')
  do
    # environment variable values that contain " or / need to be escaped
    # or they will cause problems in the sed command line.
    variable_val=$(echo "${!openshift_var}" | sed -e "s@\/@\\\\/@g" | sed -e "s/\"/\\\\\"/g" | sed "s/'/\\\'/g")
    # the entire sed s/search/replace/g command needs to be quoted in case the variable value
    # contains a space. 
    sed_exp="${sed_exp} -e \"s/\\\${env.${openshift_var}}/${variable_val}/g\""
  done
  printf "%s\n" "$sed_exp"
}

CART_DIR=${OPENSHIFT_JBOSSEAP_DIR}

# if the repo contains a standalone.xml, back it up
if [ -f ${OPENSHIFT_REPO_DIR}.openshift/config/standalone.xml ]
then
  cp ${OPENSHIFT_REPO_DIR}.openshift/config/standalone.xml $OPENSHIFT_JBOSSEAP_DIR/jboss_cfg_backup/standalone.xml || :
fi

# Create a link for each file in user config to server standalone/config
if [ -d ${OPENSHIFT_REPO_DIR}.openshift/config ]
then
  for f in ${OPENSHIFT_REPO_DIR}.openshift/config/*
  do
    target=$(basename $f)
    if [ $target = "standalone.xml" ]
    then
      # don't replace standalone.xml from the repository, we'll make a decision
      # about whether to do that or not later.
      continue
    fi  
    # Remove any target that is being overwritten
    if [ -e "${CART_DIR}/standalone/configuration/$target" ]
    then
       echo "Removing existing $target"
       rm -rf "${CART_DIR}/standalone/configuration/$target"
       cp ${OPENSHIFT_REPO_DIR}.openshift/config/$target ${CART_DIR}/standalone/configuration
    fi
  done
fi

# Whether or not we found a standalone.xml in the repo, copy the last version of the standalone.xml
# that came from the repo, to be the config, unless the user is in jbosscli mode in which case
# we don't touch standalone.xml.
if [ -f $OPENSHIFT_JBOSSEAP_DIR/jboss_cfg_backup/standalone.xml ] && [ x$DISABLE_OPENSHIFT_MANAGED_SERVER_CONFIG != "xtrue" ] 
then
  cp $OPENSHIFT_JBOSSEAP_DIR/jboss_cfg_backup/standalone.xml ${OPENSHIFT_JBOSSEAP_DIR}/standalone/configuration/standalone.xml || :
fi

MYSQL_ENABLED="false"
if [ -n "$OPENSHIFT_MYSQL_DB_URL" ]
then
    MYSQL_ENABLED="true"
fi

POSTGRESQL_ENABLED="false"
if [ -n "$OPENSHIFT_POSTGRESQL_DB_URL" ]
then
    POSTGRESQL_ENABLED="true"
fi
       
max_threads=$(ulimit -u)

if ! [[ "$max_threads" =~ ^[0-9]+$ ]] ; then
        max_threads=1024
fi

if [ -z "$JVM_HEAP_RATIO" ]; then
	JVM_HEAP_RATIO=0.5
fi
if [ -z "$JVM_PERMGEN_RATIO" ]; then
	JVM_PERMGEN_RATIO=0.2
fi
if [ -z "$MESSAGING_THREAD_RATIO" ]; then
	MESSAGING_THREAD_RATIO=0.2
fi

max_memory_mb=${OPENSHIFT_GEAR_MEMORY_MB}
max_heap=$( echo "$max_memory_mb * $JVM_HEAP_RATIO" | bc | awk '{print int($1+0.5)}')
max_permgen=$( echo "$max_memory_mb * $JVM_PERMGEN_RATIO" | bc | awk '{print int($1+0.5)}')

messaging_thread_pool_max_size=$( echo "$max_threads * $MESSAGING_THREAD_RATIO" | bc | awk '{print int($1+0.5)}')
messaging_scheduled_thread_pool_max_size=5
# $( echo "$max_threads * $MESSAGING_THREAD_RATIO" | bc | awk '{print int($1+0.5)}')


if [ $max_permgen -gt 256 ]
then
	max_permgen=256
fi

memory_options="-Xms40m -Xmx${max_heap}m -XX:MaxPermSize=${max_permgen}m -XX:+AggressiveOpts -XX:MinHeapFreeRatio=20 -XX:MaxHeapFreeRatio=40 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90"

if [ $max_heap -lt 1024 ]
then
  memory_options="${memory_options} -Dorg.apache.tomcat.util.LOW_MEMORY=true"
fi

if [ -z "${OPENSHIFT_JBOSSEAP_CLUSTER_PROXY_PORT}" ]; then
	export OPENSHIFT_JBOSSEAP_CLUSTER_PROXY_PORT=7600
fi

if [ -z "${OPENSHIFT_JBOSSEAP_CLUSTER}" ]; then
	export OPENSHIFT_JBOSSEAP_CLUSTER="${OPENSHIFT_JBOSSEAP_IP}[${OPENSHIFT_JBOSSEAP_CLUSTER_PORT}]"
fi

sed_replace_env=$(print_sed_exp_replace_env_var)

# Timestamp based filename for uniquenss.
# %s%N would be more unique but is not portable outside of linux
systime=`date +%s`

# Due to how bash handles quotes within variables, we need to write the entire
# sed command out to a file and then run it, rather than running the sed
# command directly from within the script, passing the variables as arguments
# See http://mywiki.wooledge.org/BashFAQ/050
cat <<EOF > /tmp/sed_${systime}.sh
sed -i -e "s/\\\${mysql.enabled}/$MYSQL_ENABLED/g" \
       -e "s/\\\${postgresql.enabled}/$POSTGRESQL_ENABLED/g" \
       -e "s/\\\${messaging.thread.pool.max.size}/$messaging_thread_pool_max_size/g" \
       -e "s/\\\${messaging.scheduled.thread.pool.max.size}/$messaging_scheduled_thread_pool_max_size/g" \
       -e "s/\\\${env.OPENSHIFT_INTERNAL_IP}/${OPENSHIFT_JBOSSEAP_IP}/g" \
       ${sed_replace_env} \
       ${CART_DIR}/standalone/configuration/standalone.xml > /dev/null 2>&1
EOF
. /tmp/sed_${systime}.sh
rm /tmp/sed_${systime}.sh

#
# Specify options to pass to the Java VM.
#
if [ -z "$JAVA_OPTS" ]; then
   JAVA_OPTS="$memory_options -DOPENSHIFT_APP_UUID=${OPENSHIFT_APP_UUID} -Dorg.jboss.resolver.warning=true -Djava.net.preferIPv4Stack=true -Dfile.encoding=UTF-8 -Djboss.node.name=${OPENSHIFT_GEAR_DNS} -Djgroups.bind_addr=${OPENSHIFT_JBOSSEAP_IP} -Dorg.apache.coyote.http11.Http11Protocol.COMPRESSION=on"
   if [ ! -z "$ENABLE_JPDA" ]; then
      JAVA_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,address=${OPENSHIFT_JBOSSEAP_IP}:8787,server=y,suspend=n ${JAVA_OPTS}"
   fi
fi

if [ -n "$JAVA_OPTS_EXT" ]; then
    JAVA_OPTS="$JAVA_OPTS $JAVA_OPTS_EXT"
fi

export JBOSS_MODULEPATH=${OPENSHIFT_REPO_DIR}/.openshift/config/modules

if [ ! -z $OPENSHIFT_JBOSSEAP_MODULE_PATH ]; then
   export JBOSS_MODULEPATH=$JBOSS_MODULEPATH:$OPENSHIFT_JBOSSEAP_MODULE_PATH
fi

export JBOSS_MODULEPATH=$JBOSS_MODULEPATH:${CART_DIR}/modules
export JAVA_OPTS