#!/bin/bash
# -----------------------------------------------------------------------------
# Starts ONOS Apache Karaf container
# -----------------------------------------------------------------------------

# uncomment the following line for performance testing
# export JAVA_OPTS="${JAVA_OPTS:--Xms16G -Xmx16G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+PrintGCDetails -XX:+PrintGCTimeStamps}"

# uncomment the following line for Netty TLS encryption
# Do modify the keystore location/password and truststore location/password accordingly
#export JAVA_OPTS="${JAVA_OPTS:--DenableNettyTLS=true -Djavax.net.ssl.keyStore=/home/ubuntu/onos.jks -Djavax.net.ssl.keyStorePassword=222222 -Djavax.net.ssl.trustStore=/home/ubuntu/onos.jks -Djavax.net.ssl.trustStorePassword=222222}"

export JAVA_OPTS=${JAVA_OPTS:--XX:+UseG1GC -XX:MaxGCPauseMillis=200 -Dkaraf.log.console=INFO -Dds.lock.timeout.milliseconds=10000}

set -e  # exit on error
set -u  # exit on undefined variable

#
# Hack: Making docker.host.internal resolvable in Docker for Linux
# TODO(bocon): this can be removed when this issue is resolved: https://github.com/docker/for-linux/issues/264
#              iproute2 can also be removed from the Dockerfile as a build dep
#
# Only run this if we are running in a Docker container
if awk -F/ '$2 == "docker"' /proc/self/cgroup &>/dev/null; then
  # Add host.docker.internal to /etc/hosts if it does not resolve
  getent hosts host.docker.internal > /dev/null || \
  ip -4 route list match 0/0 | awk '{print $3"\thost.docker.internal"}' >> /etc/hosts
fi

# If ONOS_HOME is set, respect its value.
# If ONOS_HOME is not set (e.g. in the init or service environment),
# set it based on this script's path.
ONOS_HOME=${ONOS_HOME:-$(cd $(dirname $0)/.. >/dev/null 2>&1 && pwd)}
KARAF_ARGS=server
SYS_APPS=drivers
ONOS_APPS=${ONOS_APPS:-gui2}  # Activate GUI2 unless specific apps were named

cd $ONOS_HOME

# Parse out arguments destinted for karaf invocation v. arguments that
# will be processed in line
while [ $# -gt 0 ]; do
  case $1 in
    apps-clean)
      # Deactivate all applications
      find ${ONOS_HOME}/apps -name "active" -exec rm \{\} \;
      ;;
    *)
      KARAF_ARGS+=" $1"
      ;;
  esac
  shift
done

# Activate the system required applications (SYS_APPS) as well as any
# specified applications in the var ONOS_APPS
for app in ${SYS_APPS//,/ } ${ONOS_APPS//,/ }; do
    if  [ -d "${ONOS_HOME}/apps/org.onosproject.$app/" ]; then
        touch ${ONOS_HOME}/apps/org.onosproject.$app/active
    elif [ -d "${ONOS_HOME}/apps/$app" ]; then
        touch ${ONOS_HOME}/apps/$app/active
    else
        echo "[WARN] Don't know how to activate $app"
    fi
done

KARAF_ARGS+=" server"

exec ${ONOS_HOME}/apache-karaf-$KARAF_VERSION/bin/karaf $KARAF_ARGS