#!/bin/sh
OMI_HOME=/opt/omi
OMI_REGISTER_DIR=/etc/opt/omi/conf/omiregister
CONFIG_SYSCONFDIR=/etc/opt/omi/conf
CONFIG_DATADIR=$OMI_HOME/share
OMI_LIB=$OMI_HOME/lib

# if this is a package removal, not an upgrade, remove the modules
if [ "$1" = "0" -o "$1" = "remove" -o "$1" = "purge" ]; then
    rm -rf $CONFIG_SYSCONFDIR/omsconfig/configuration
    rm -rf $CONFIG_DATADIR/omsconfig/
    rm -rf $OMI_LIB/Scripts
    rm -rf /opt/microsoft/omsconfig/
    rm -rf $OMI_REGISTER_DIR/root-oms
    rm -f $OMI_HOME/bin/OMSConsistencyInvoker
    rm -f $OMI_LIB/libomsconfig.so

fi


# Remove old output files from calling dsc_host
rm -f /opt/dsc/output/*

# Note that omsagent's service_control uses systemctl to kill agent (omsagent
# still doesn't shut down in a controlled fashion). Two rapid 'kill -9'
# operations can confuse systemctl, such that the second 'kill -9' operation
# is not completed. This will happen during removal of the shell bundle. End
# result is that the omsagent binary is kept running after the second kill
# operation.
#
# Add a 'sleep' operation (ugly, I know) to try and avoid this race condition.

/opt/microsoft/omsagent/bin/service_control reload
if pidof systemd 1> /dev/null 2> /dev/null; then
    echo "Pausing briefly for systemctl synchronization ..."
    sleep 5
fi

# Remove seure_update cache
rm -rf /var/opt/microsoft/omsconfig_secure_cache


exit 0