PREIN

/bin/sh

usermod -a -G qemu nova
# Add nova to the fuse group (if present) to support guestmount
if getent group fuse >/dev/null; then
  usermod -a -G fuse nova
fi
exit 0

PREUN

/bin/sh

if [ $1 -eq 0 ] ; then
    for svc in compute; do
        /bin/systemctl --no-reload disable openstack-nova-${svc}.service > /dev/null 2>&1 || :
        /bin/systemctl stop openstack-nova-${svc}.service > /dev/null 2>&1 || :
    done
fi

POSTIN

/bin/sh

if [ $1 -eq 1 ] ; then
    # Initial installation
    /bin/systemctl daemon-reload >/dev/null 2>&1 || :
fi

POSTUN

/bin/sh

/bin/systemctl daemon-reload >/dev/null 2>&1 || :
if [ $1 -ge 1 ] ; then
    # Package upgrade, not uninstall
    for svc in compute; do
        /bin/systemctl try-restart openstack-nova-${svc}.service >/dev/null 2>&1 || :
    done
fi