mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-12-25 15:15:25 +00:00
2bbda1444d
awk splits the line on consecutive spaces, which breaks getting the name of a domain whose name contains spaces. Use sed instead to strip the "Name:" prefix from the line Signed-off-by: Philipp Hahn <hahn@univention.de>
356 lines
8.2 KiB
Bash
356 lines
8.2 KiB
Bash
#!/bin/sh
|
|
|
|
# the following is the LSB init header
|
|
#
|
|
### BEGIN INIT INFO
|
|
# Provides: libvirt-guests
|
|
# Required-Start: libvirtd
|
|
# Required-Stop: libvirtd
|
|
# Default-Start: 2 3 4 5
|
|
# Default-Stop: 0 1 6
|
|
# Short-Description: suspend/resume libvirt guests on shutdown/boot
|
|
# Description: This is a script for suspending active libvirt guests
|
|
# on shutdown and resuming them on next boot
|
|
# See http://libvirt.org
|
|
### END INIT INFO
|
|
|
|
# the following is chkconfig init header
|
|
#
|
|
# libvirt-guests: suspend/resume libvirt guests on shutdown/boot
|
|
#
|
|
# chkconfig: 345 99 01
|
|
# description: This is a script for suspending active libvirt guests \
|
|
# on shutdown and resuming them on next boot \
|
|
# See http://libvirt.org
|
|
#
|
|
|
|
sysconfdir="@sysconfdir@"
|
|
localstatedir="@localstatedir@"
|
|
libvirtd="@sbindir@"/libvirtd
|
|
|
|
# Source function library.
|
|
test ! -r "$sysconfdir"/rc.d/init.d/functions ||
|
|
. "$sysconfdir"/rc.d/init.d/functions
|
|
|
|
# Source gettext library.
|
|
# Make sure this file is recognized as having translations: _("dummy")
|
|
. "@bindir@"/gettext.sh
|
|
|
|
export TEXTDOMAIN="@PACKAGE@" TEXTDOMAINDIR="@localedir@"
|
|
|
|
URIS=default
|
|
ON_BOOT=start
|
|
ON_SHUTDOWN=suspend
|
|
SHUTDOWN_TIMEOUT=0
|
|
|
|
test -f "$sysconfdir"/sysconfig/libvirt-guests &&
|
|
. "$sysconfdir"/sysconfig/libvirt-guests
|
|
|
|
LISTFILE="$localstatedir"/lib/libvirt/libvirt-guests
|
|
VAR_SUBSYS_LIBVIRT_GUESTS="$localstatedir"/lock/subsys/libvirt-guests
|
|
|
|
RETVAL=0
|
|
|
|
retval() {
|
|
"$@"
|
|
if [ $? -ne 0 ]; then
|
|
RETVAL=1
|
|
return 1
|
|
else
|
|
return 0
|
|
fi
|
|
}
|
|
|
|
run_virsh() {
|
|
uri=$1
|
|
shift
|
|
|
|
if [ "x$uri" = xdefault ]; then
|
|
conn=
|
|
else
|
|
conn="-c $uri"
|
|
fi
|
|
|
|
virsh $conn "$@" </dev/null
|
|
}
|
|
|
|
run_virsh_c() {
|
|
( export LC_ALL=C; run_virsh "$@" )
|
|
}
|
|
|
|
list_guests() {
|
|
uri=$1
|
|
|
|
list=$(run_virsh_c $uri list)
|
|
if [ $? -ne 0 ]; then
|
|
RETVAL=1
|
|
return 1
|
|
fi
|
|
|
|
uuids=
|
|
for id in $(echo "$list" | awk 'NR > 2 {print $1}'); do
|
|
uuid=$(run_virsh_c $uri dominfo $id | awk '/^UUID:/{print $2}')
|
|
if [ -z "$uuid" ]; then
|
|
RETVAL=1
|
|
return 1
|
|
fi
|
|
uuids="$uuids $uuid"
|
|
done
|
|
|
|
echo $uuids
|
|
}
|
|
|
|
guest_name() {
|
|
uri=$1
|
|
uuid=$2
|
|
|
|
name=$(run_virsh_c $uri dominfo $uuid 2>/dev/null | \
|
|
sed -ne 's/^Name: *//p')
|
|
[ -n "$name" ] || name=$uuid
|
|
|
|
echo "$name"
|
|
}
|
|
|
|
guest_is_on() {
|
|
uri=$1
|
|
uuid=$2
|
|
|
|
guest_running=false
|
|
info=$(run_virsh_c $uri dominfo $uuid)
|
|
if [ $? -ne 0 ]; then
|
|
RETVAL=1
|
|
return 1
|
|
fi
|
|
|
|
id=$(echo "$info" | awk '/^Id:/{print $2}')
|
|
|
|
[ -n "$id" ] && [ "x$id" != x- ] && guest_running=true
|
|
return 0
|
|
}
|
|
|
|
started() {
|
|
touch "$VAR_SUBSYS_LIBVIRT_GUESTS"
|
|
}
|
|
|
|
start() {
|
|
[ -f "$LISTFILE" ] || { started; return 0; }
|
|
|
|
if [ "x$ON_BOOT" != xstart ]; then
|
|
gettext "libvirt-guests is configured not to start any guests on boot"
|
|
echo
|
|
rm -f "$LISTFILE"
|
|
started
|
|
return 0
|
|
fi
|
|
|
|
while read uri list; do
|
|
configured=false
|
|
for confuri in $URIS; do
|
|
if [ $confuri = $uri ]; then
|
|
configured=true
|
|
break
|
|
fi
|
|
done
|
|
if ! $configured; then
|
|
eval_gettext "Ignoring guests on \$uri URI"; echo
|
|
continue
|
|
fi
|
|
|
|
eval_gettext "Resuming guests on \$uri URI..."; echo
|
|
for guest in $list; do
|
|
name=$(guest_name $uri $guest)
|
|
eval_gettext "Resuming guest \$name: "
|
|
if guest_is_on $uri $guest; then
|
|
if $guest_running; then
|
|
gettext "already active"; echo
|
|
else
|
|
retval run_virsh $uri start "$name" >/dev/null && \
|
|
gettext "done"; echo
|
|
fi
|
|
fi
|
|
done
|
|
done <"$LISTFILE"
|
|
|
|
rm -f "$LISTFILE"
|
|
started
|
|
}
|
|
|
|
suspend_guest()
|
|
{
|
|
uri=$1
|
|
guest=$2
|
|
|
|
name=$(guest_name $uri $guest)
|
|
label=$(eval_gettext "Suspending \$name: ")
|
|
printf %s "$label"
|
|
run_virsh $uri managedsave $guest >/dev/null &
|
|
virsh_pid=$!
|
|
while true; do
|
|
sleep 1
|
|
kill -0 $virsh_pid >/dev/null 2>&1 || break
|
|
progress=$(run_virsh_c $uri domjobinfo $guest 2>/dev/null | \
|
|
awk '/^Data processed:/{print $3, $4}')
|
|
if [ -n "$progress" ]; then
|
|
printf '\r%s%12s ' "$label" "$progress"
|
|
else
|
|
printf '\r%s%-12s ' "$label" "..."
|
|
fi
|
|
done
|
|
retval wait $virsh_pid && printf '\r%s%-12s\n' "$label" "$(gettext "done")"
|
|
}
|
|
|
|
shutdown_guest()
|
|
{
|
|
uri=$1
|
|
guest=$2
|
|
|
|
name=$(guest_name $uri $guest)
|
|
label=$(eval_gettext "Shutting down \$name: ")
|
|
printf %s "$label"
|
|
retval run_virsh $uri shutdown $guest >/dev/null || return
|
|
timeout=$SHUTDOWN_TIMEOUT
|
|
while [ $timeout -gt 0 ]; do
|
|
sleep 1
|
|
timeout=$((timeout - 1))
|
|
guest_is_on $uri $guest || return
|
|
$guest_running || break
|
|
printf '\r%s%-12d ' "$label" $timeout
|
|
done
|
|
|
|
if guest_is_on $uri $guest; then
|
|
if $guest_running; then
|
|
printf '\r%s%-12s\n' "$label" \
|
|
"$(gettext "failed to shutdown in time")"
|
|
else
|
|
printf '\r%s%-12s\n' "$label" "$(gettext "done")"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
stop() {
|
|
# last stop was not followed by start
|
|
[ -f "$LISTFILE" ] && return 0
|
|
|
|
suspending=true
|
|
if [ "x$ON_SHUTDOWN" = xshutdown ]; then
|
|
suspending=false
|
|
if [ $SHUTDOWN_TIMEOUT -le 0 ]; then
|
|
gettext "Shutdown action requested but SHUTDOWN_TIMEOUT was not set"
|
|
echo
|
|
RETVAL=6
|
|
return
|
|
fi
|
|
fi
|
|
|
|
: >"$LISTFILE"
|
|
for uri in $URIS; do
|
|
eval_gettext "Running guests on \$uri URI: "
|
|
|
|
if [ "x$uri" = xdefault ] && [ ! -x "$libvirtd" ]; then
|
|
gettext "libvirtd not installed; skipping this URI."; echo
|
|
continue
|
|
fi
|
|
|
|
list=$(list_guests $uri)
|
|
if [ $? -eq 0 ]; then
|
|
empty=true
|
|
for uuid in $list; do
|
|
$empty || printf ", "
|
|
printf %s "$(guest_name $uri $uuid)"
|
|
empty=false
|
|
done
|
|
if $empty; then
|
|
gettext "no running guests."; echo
|
|
else
|
|
echo
|
|
echo $uri $list >>"$LISTFILE"
|
|
fi
|
|
fi
|
|
done
|
|
|
|
while read uri list; do
|
|
if $suspending; then
|
|
eval_gettext "Suspending guests on \$uri URI..."; echo
|
|
else
|
|
eval_gettext "Shutting down guests on \$uri URI..."; echo
|
|
fi
|
|
|
|
for guest in $list; do
|
|
if $suspending; then
|
|
suspend_guest $uri $guest
|
|
else
|
|
shutdown_guest $uri $guest
|
|
fi
|
|
done
|
|
done <"$LISTFILE"
|
|
|
|
rm -f "$VAR_SUBSYS_LIBVIRT_GUESTS"
|
|
}
|
|
|
|
gueststatus() {
|
|
for uri in $URIS; do
|
|
echo "* $uri URI:"
|
|
retval run_virsh $uri list || echo
|
|
done
|
|
}
|
|
|
|
# rh_status
|
|
# Display current status: whether saved state exists, and whether start
|
|
# has been executed. We cannot use status() from the functions library,
|
|
# since there is no external daemon process matching this init script.
|
|
rh_status() {
|
|
if [ -f "$LISTFILE" ]; then
|
|
gettext "stopped, with saved guests"; echo
|
|
RETVAL=3
|
|
else
|
|
if [ -f "$VAR_SUBSYS_LIBVIRT_GUESTS" ]; then
|
|
gettext "started"; echo
|
|
else
|
|
gettext "stopped, with no saved guests"; echo
|
|
fi
|
|
RETVAL=0
|
|
fi
|
|
}
|
|
|
|
# usage [val]
|
|
# Display usage string, then exit with VAL (defaults to 2).
|
|
usage() {
|
|
program_name=$0
|
|
eval_gettext "Usage: \$program_name {start|stop|status|restart|"\
|
|
"condrestart|try-restart|reload|force-reload|gueststatus|shutdown}"; echo
|
|
exit ${1-2}
|
|
}
|
|
|
|
# See how we were called.
|
|
if test $# != 1; then
|
|
usage
|
|
fi
|
|
case "$1" in
|
|
--help)
|
|
usage 0
|
|
;;
|
|
start|stop|gueststatus)
|
|
$1
|
|
;;
|
|
restart)
|
|
stop && start
|
|
;;
|
|
condrestart|try-restart)
|
|
[ -f "$VAR_SUBSYS_LIBVIRT_GUESTS" ] && stop && start
|
|
;;
|
|
reload|force-reload)
|
|
# Nothing to do; we reread configuration on each invocation
|
|
;;
|
|
status)
|
|
rh_status
|
|
;;
|
|
shutdown)
|
|
ON_SHUTDOWN=shutdown
|
|
stop
|
|
;;
|
|
*)
|
|
usage
|
|
;;
|
|
esac
|
|
exit $RETVAL
|