#!/bin/sh
echo "Cleanning up existing dsc_hosts before uninstall..."
kill $(ps -eo pid,cmd | grep '/opt/dsc/bin/dsc_host' | grep -v grep | tr -s ' ' | sed 's/^[ \t]*//' | cut -d' ' -f1) -9 2&>1 > /dev/null
chmod -R 777 /opt/dsc
# remove entire dsc folder incase of remove and purge
echo "Deployment operation type :" $1 
if [ "$1" = "0" -o "$1" = 0 -o "$1" = "remove" -o "$1" = "purge" ]; then
    echo "Cleanning directory /opt/dsc..."
    rm -rfv /opt/dsc
fi
rm -f /etc/opt/omi/conf/omsconfig/inventory_lock
echo "Cleaned up existing dsc_hosts before uninstall..."

# pythonVersion check must be repeated for each section
version=$(python3 -V 2>&1 | grep -Po '(?<=Python )(.+)')
if [ ! -z "$version" ]; then
  echo "Using python3"
  pythonVersion="python3"
else
  version=$(python2 -V 2>&1 | grep -Po '(?<=Python )(.+)')
  if [ ! -z "$version" ]; then
    echo "Using python2"
    pythonVersion="python2"
  else
    echo "Python not found."
  fi
fi
# if this is a package removal, not an upgrade, remove the modules
echo "Deployment operation type :" $1 
if [ "$1" = "0" -o "$1" = 0 -o "$1" = "remove" -o "$1" = "purge" ]; then
  # Remove all DSC specific data
  if [ "$pythonVersion" = "python3" ]; then
     echo "Running python3"
     for module in `ls /opt/microsoft/omsconfig/modules`; do
       /opt/microsoft/omsconfig/Scripts/python3/RemoveModule.py $module
     done
   else
     echo "Running python2 in remove all DSC specific data python version is ", $pythonVersion
     for module in `ls /opt/microsoft/omsconfig/modules`; do
       /opt/microsoft/omsconfig/Scripts/RemoveModule.py $module
     done
  fi
fi

exit 0