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#!/sbin/runscript
description="Virtual Machine Management daemon (libvirt)"
extra_started_commands="reload"
extra_stopped_commands="halt"
description_halt="Stops the libvirt daemon without stopping your VMs"
description_reload="Restarts the libvirt daemon without stopping your VMs"
depend() {
need net
after ntp-client ntpd nfs iscsid nfsmount portmap rpc.statd iptables ip6tables ebtables ceph corosync sanlock cgconfig
}
libvirtd_virsh() {
local mode=$1
shift
# Silence errors because virsh always throws an error about
# not finding the hypervisor version when connecting to libvirtd
LC_ALL=C virsh -c ${mode}:///system "$@" 2>/dev/null
}
libvirtd_dom_list() {
# Make sure that it wouldn't be confused if the domain name
# contains the word running.
libvirtd_virsh $1 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 $1 list | awk 'BEGIN { count = 0 } \
$3 == "running" { count++ } \
END { print count }'
}
libvirtd_net_list() {
# The purpose of the awk is to avoid networks with 'active' in the name
libvirtd_virsh $1 net-list | awk '$2 == "active" { print $1 }'
}
libvirtd_net_count() {
# The purpose of the awk is to avoid networks with 'active' in the name
libvirtd_virsh $1 net-list | awk 'BEGIN { count = 0 } \
$2 == "active" { 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 $?
}
stop() {
local counter=
local vm_name=
local net_name=
local dom_id=
ebegin "Stopping libvirtd"
# try to shutdown all (KVM/Qemu) domains
if [ "${LIBVIRTD_KVM_SHUTDOWN}" != "none" ] \
&& [ "$(libvirtd_dom_count qemu)" != "0" ] ; then
einfo " Shutting down domain(s):"
for dom_id in $(libvirtd_dom_list qemu) ; do
vm_name="$(libvirtd_virsh qemu domname ${dom_id} | head -n 1)"
einfo " ${vm_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 qemu)"
while [ ${DOM_COUNT} -gt 0 ] && [ ${counter} -gt 0 ] ; do
DOM_COUNT="$(libvirtd_dom_count qemu)"
sleep 1
counter=$((${counter} - 1))
echo -n "."
done
fi
if [ "$(libvirtd_dom_count qemu)" != "0" ] ; then
eerror " !!! Some guests are still running, stopping anyway"
fi
fi
if [ "${LIBVIRTD_KVM_NET_SHUTDOWN}" != "no" ] \
&& [ "$(libvirtd_net_count qemu)" != "0" ]; then
einfo " Shutting down network(s):"
for net_name in $(libvirtd_net_list qemu); do
einfo " ${net_name}"
libvirtd_virsh qemu net-destroy ${net_name} > /dev/null
done
if [ "$(libvirtd_net_count qemu)" != "0" ]; then
eerror " !!! Some networks are still active, stopping anyway"
fi
fi
# Now actually stop the daemon
start-stop-daemon --stop --quiet --exec \
/usr/sbin/libvirtd --pidfile=/var/run/libvirtd.pid
eend $?
}
halt() {
ebegin "Stopping libvirtd without shutting down your VMs"
start-stop-daemon --stop --quiet --exec \
/usr/sbin/libvirtd --pidfile=/var/run/libvirtd.pid
eend $?
}
reload() {
halt
start
}
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