core-admin/dom0/aux-tools/keep-dom0-clock-synced
2011-09-15 14:54:35 +02:00

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#!/bin/sh
# 15m
UPDATES_SLEEP=900
UPDATES_VM=`qvm-get-updatevm`
QREXEC_CLIENT=/usr/lib/qubes/qrexec_client
if [ -z "$UPDATES_VM" ]; then
echo "UpdateVM not set, exiting!" >&2
exit 1
fi
echo "Waiting for UpdateVM to be started"
# Intentionally used xl domid here to check if domain is running (in case of
# eg. stale qrexec socket)
while ! [ -S /var/run/qubes/qrexec.`xl domid "$UPDATES_VM" 2>/dev/null` ]; do
sleep 1
done
(
# Allow only one instance
flock --nonblock -s 200 || exit 1
while true; do
qvm-sync-dom0-clock
sleep $UPDATES_SLEEP
done
) 200> /var/run/qubes/clock-watch-lock