PREIN

/bin/sh

getent group quantum >/dev/null || groupadd -r quantum --gid 164
getent passwd quantum >/dev/null || \
    useradd --uid 164 -r -g quantum -d /var/lib/quantum -s /sbin/nologin \
    -c "OpenStack Quantum Daemons" quantum
exit 0

PREUN

/bin/sh

if [ $1 -eq 0 ] ; then
    # Package removal, not upgrade
    /bin/systemctl --no-reload disable quantum-server.service > /dev/null 2>&1 || :
    /bin/systemctl stop quantum-server.service > /dev/null 2>&1 || :
    /bin/systemctl --no-reload disable quantum-dhcp-agent.service > /dev/null 2>&1 || :
    /bin/systemctl stop quantum-dhcp-agent.service > /dev/null 2>&1 || :
    /bin/systemctl --no-reload disable quantum-l3-agent.service > /dev/null 2>&1 || :
    /bin/systemctl stop quantum-l3-agent.service > /dev/null 2>&1 || :
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
    /bin/systemctl try-restart quantum-server.service >/dev/null 2>&1 || :
    /bin/systemctl try-restart quantum-dhcp-agent.service >/dev/null 2>&1 || :
    /bin/systemctl try-restart quantum-l3-agent.service >/dev/null 2>&1 || :
fi