Script exporter

# CheckIS-Script
# Author tk@virtimo
# returns:
#   0 if the inubit Process Engine is running and active (maintenancemode is inactive)
#   1 if the script failes
#   2 if processing is prohibited by file
#   3 if retrieval via loadbalancer failed
#   4 if this is not the active site
#   5 if maintenancemode is active
#   6 if processing is disabled by heartbeat-connector
#   7 if process engine is down
#   8 if curl failed by any other return value
#
# test with eg "echo $?" after call of this script
#
###############################################################

if [ "$#" -ne 1 ]; then
  echo "Usage: $0 TIMEOUT" >&2
  exit 1
fi

EMERGENCY_STOP_FILE=/inubit/filebase/conf/keepalived_emergencyStop.active
IGNORE_SITE_FILE=/inubit/filebase/conf/keepalived_ignoreSite.active

LOCAL_LOCATION_FROM=/etc/haproxy/monitor-response-200.http
LB_STATUS_URL="https://inubit.int.viritmo.de:8443/status"

WSLISTENERURL="http://localhost:7000/ibis/ws/genericMain_wsc_heartbeatConnector?wsdl"
HTTPTIMEOUT=$1

# check for existence of "emergency stop" file - if we find it we exit immediately with "fault" status
if [ -f "$EMERGENCY_STOP_FILE" ]; then
        echo "processing prohibited - $EMERGENCY_STOP_FILE exists"
        exit 2
fi

# find out, if external LB directs external requests to this site or not
if [ ! -f "$IGNORE_SITE_FILE" ]; then
        MYLOC=`tail -1 "$LOCAL_LOCATION_FROM" | cut -d" " -f3`
        LBLOC=`curl --silent --connect-timeout 2 -k "$LB_STATUS_URL"`
        RETCODE=$?
        if [ "$RETCODE" -ne 0 ]; then
                # curl call has failed - exit with "fault" status
                echo "processing disabled - site-check via $LB_STATUS_URL failed"
                exit 3
        fi
        LBLOC=`echo "$LBLOC" | tail -1 | cut -d" " -f3`
        if [ "$MYLOC" != "$LBLOC" ]; then
                # wrong "site" - let's bail out right here
                echo "processing disabled - we ($MYLOC) are not the current master-site ($LBLOC)"
                exit 4
        fi
fi

# check status of local IS instance
HTTPSTATUS=`curl -s -o /dev/null -m $HTTPTIMEOUT -w "%{http_code}" $WSLISTENERURL`
RETCODE=$?
if [ "$HTTPSTATUS" == 200 ]; then
  echo "processing active"
  exit 0
elif [ "$HTTPSTATUS" == 503 ]; then
  echo "maintenancemode active"
  exit 5
elif [ "$HTTPSTATUS" == 404 ]; then
  echo "heartbeat-webservice missing/url wrong"
  exit 6
elif [ "$HTTPSTATUS" == 000 ]; then
  echo "processengine down"
  exit 7
else