#!/bin/sh

JENKINS_WAR="/usr/lib/cloudbees-core-oc/cloudbees-core-oc.war"
test -r "$JENKINS_WAR" || { echo "$JENKINS_WAR not installed";
        if [ "$1" = "stop" ]; then exit 0;
        else exit 5; fi; }

# Check for existence of needed config file and read it
JENKINS_CONFIG=/etc/sysconfig/cloudbees-core-oc
test -e "$JENKINS_CONFIG" || { echo "$JENKINS_CONFIG not existing";
        if [ "$1" = "stop" ]; then exit 0;
        else exit 6; fi; }
test -r "$JENKINS_CONFIG" || { echo "$JENKINS_CONFIG not readable. Perhaps you forgot 'sudo'?";
        if [ "$1" = "stop" ]; then exit 0;
        else exit 6; fi; }

# Read config
if [ -f "$JENKINS_CONFIG" ]; then
    set -a
    . "$JENKINS_CONFIG"
    set +a
fi

# Set up environment accordingly to the configuration settings
[ -n "$JENKINS_HOME" ] || { echo "JENKINS_HOME not configured in $JENKINS_CONFIG";
        if [ "$1" = "stop" ]; then exit 0;
        else exit 6; fi; }
[ -d "$JENKINS_HOME" ] || { echo "JENKINS_HOME directory does not exist: $JENKINS_HOME";
        if [ "$1" = "stop" ]; then exit 0;
        else exit 1; fi; }

# Search usable Java as /usr/bin/java might not point to minimal version required by Jenkins.
# see http://www.nabble.com/guinea-pigs-wanted-----Hudson-RPM-for-RedHat-Linux-td25673707.html
candidates="
/etc/alternatives/java
/usr/lib/jvm/java-1.8.0/bin/java
/usr/lib/jvm/jre-1.8.0/bin/java
/usr/lib/jvm/java-11.0/bin/java
/usr/lib/jvm/jre-11.0/bin/java
/usr/lib/jvm/java-11-openjdk-amd64
/usr/bin/java
"
for candidate in $candidates
do
  [ -x "$JENKINS_JAVA_CMD" ] && break
  JENKINS_JAVA_CMD="$candidate"
done

PARAMS="--logfile=/var/log/cloudbees-core-oc/cloudbees-core-oc.log --webroot=/var/cache/cloudbees-core-oc/war"
[ -n "$JENKINS_PORT" ] && PARAMS="$PARAMS --httpPort=$JENKINS_PORT"
[ -n "$JENKINS_LISTEN_ADDRESS" ] && PARAMS="$PARAMS --httpListenAddress=$JENKINS_LISTEN_ADDRESS"
[ -n "$JENKINS_HTTPS_PORT" ] && PARAMS="$PARAMS --httpsPort=$JENKINS_HTTPS_PORT"
[ -n "$JENKINS_HTTPS_KEYSTORE" ] && PARAMS="$PARAMS --httpsKeyStore=$JENKINS_HTTPS_KEYSTORE"
[ -n "$JENKINS_HTTPS_KEYSTORE_PASSWORD" ] && PARAMS="$PARAMS --httpsKeyStorePassword='$JENKINS_HTTPS_KEYSTORE_PASSWORD'"
[ -n "$JENKINS_HTTPS_LISTEN_ADDRESS" ] && PARAMS="$PARAMS --httpsListenAddress=$JENKINS_HTTPS_LISTEN_ADDRESS"
[ -n "$JENKINS_DEBUG_LEVEL" ] && PARAMS="$PARAMS --debug=$JENKINS_DEBUG_LEVEL"
[ -n "$JENKINS_HANDLER_STARTUP" ] && PARAMS="$PARAMS --handlerCountStartup=$JENKINS_HANDLER_STARTUP"
[ -n "$JENKINS_HANDLER_MAX" ] && PARAMS="$PARAMS --handlerCountMax=$JENKINS_HANDLER_MAX"
[ -n "$JENKINS_HANDLER_IDLE" ] && PARAMS="$PARAMS --handlerCountMaxIdle=$JENKINS_HANDLER_IDLE"
[ -n "$JENKINS_ARGS" ] && PARAMS="$PARAMS $JENKINS_ARGS"

if [ "$JENKINS_ENABLE_ACCESS_LOG" = "yes" ]; then
    PARAMS="$PARAMS --accessLoggerClassName=winstone.accesslog.SimpleAccessLogger --simpleAccessLogger.format=combined --simpleAccessLogger.file=/var/log/cloudbees-core-oc/access_log"
fi

DEFAULT_JENKINS_JAVA_OPTIONS=("-Dcb.distributable.name=RedHat / Fedora RPM")
DEFAULT_JENKINS_JAVA_OPTIONS+=("-Dcb.distributable.commit_sha=d48509d32bc4be8d5a57ae9189b8b9372901a3b9")

if [[ "$(declare -p JENKINS_JAVA_OPTIONS)" =~ "declare -a" ]]; then
  $JENKINS_JAVA_CMD "${DEFAULT_JENKINS_JAVA_OPTIONS[@]}" "${JENKINS_JAVA_OPTIONS[@]}" -jar $JENKINS_WAR $PARAMS
else
  $JENKINS_JAVA_CMD "${DEFAULT_JENKINS_JAVA_OPTIONS[@]}" $JENKINS_JAVA_OPTIONS -jar $JENKINS_WAR $PARAMS
fi
