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#!/sbin/runscript

opts="start stop status reload restart"

depend() {
    need net
    after firewall
}

libvirtd_virsh() {
    # Silence errors because virsh always throws an error about
    # not finding the hypervisor version when connecting to libvirtd
    LC_ALL=C virsh -c qemu:///system "$@" 2>/dev/null
}

libvirtd_dom_list() {
    # Make sure that it wouldn't be confused if the domain name
    # contains the word running.
    libvirtd_virsh list | awk '$3 == "running" { print $1 }'
}

libvirtd_dom_count() {
    # Make sure that it wouldn't be confused if the domain name
    # contains the word running.
    libvirtd_virsh list | awk 'BEGIN { count = 0 } \
		$3 == "running" { count++ } \
		END { print count }'
}

start() {
    ebegin "Starting libvirtd"
    start-stop-daemon --start \
        --env KRB5_KTNAME=/etc/libvirt/krb5.tab \
        --exec /usr/sbin/libvirtd -- -d ${LIBVIRTD_OPTS}
    eend $?
}

stop() {
    ebegin "Stopping libvirtd"
    # try to shutdown all (KVM/Qemu) domains
    DOM_COUNT="$(libvirtd_dom_count)"
    if [ "${LIBVIRTD_KVM_SHUTDOWN}" != "none" ] \
        && [ "${DOM_COUNT}" != "0" ] ; then

        einfo " Shutting down domain(s):"
        for DOM_ID in $(libvirtd_dom_list) ; do
            NAME="$(libvirtd_virsh domname ${DOM_ID} | head -n 1)"
            einfo "   ${NAME}"
            libvirtd_virsh ${LIBVIRTD_KVM_SHUTDOWN} ${DOM_ID} > /dev/null
        done

        if [ -n "${LIBVIRTD_KVM_SHUTDOWN_MAXWAIT}" ] ; then
            COUNTER="${LIBVIRTD_KVM_SHUTDOWN_MAXWAIT}"
        else
            COUNTER=500
        fi

		if [ "${LIBVIRTD_KVM_SHUTDOWN}" = "shutdown" ]; then
			einfo " Waiting ${COUNTER} seconds while domains shutdown ..."
			DOM_COUNT="$(libvirtd_dom_count)"
			while [ ${DOM_COUNT} -gt 0 ] && [ ${COUNTER} -gt 0 ] ; do
				DOM_COUNT="$(libvirtd_dom_count)"
					sleep 1
					COUNTER=$((${COUNTER} - 1))
					echo -n "."
			done
		fi

        DOM_COUNT="$(libvirtd_dom_count)"
        if [ "${DOM_COUNT}" != "0" ] ; then
            eerror " !!! Some guests are still running, stopping anyways"
        fi

    fi
    start-stop-daemon --stop --quiet --exec /usr/sbin/libvirtd --pidfile=/var/run/libvirtd.pid
    eend $?
}

reload() {
    ebegin "Reloading libvirtd without shutting down your VMs"
    start-stop-daemon --stop --quiet --exec /usr/sbin/libvirtd --pidfile=/var/run/libvirtd.pid
	if [ $? -ne 0 ]; then
		eend $?
	fi
    start-stop-daemon --start --quiet --exec /usr/sbin/libvirtd -- -d ${LIBVIRTD_OPTS}
    eend $?
}