diff options
Diffstat (limited to 'debian/extra/dhclient-exit-hooks.d')
| -rw-r--r-- | debian/extra/dhclient-exit-hooks.d/timesyncd | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/debian/extra/dhclient-exit-hooks.d/timesyncd b/debian/extra/dhclient-exit-hooks.d/timesyncd new file mode 100644 index 0000000..bb98cab --- /dev/null +++ b/debian/extra/dhclient-exit-hooks.d/timesyncd @@ -0,0 +1,52 @@ +TIMESYNCD_CONF=/run/systemd/timesyncd.conf.d/01-dhclient.conf + +timesyncd_servers_setup_remove() { + if [ ! -d /run/systemd/system ]; then + return + fi + if [ ! -x /lib/systemd/systemd-timesyncd ]; then + return + fi + + if [ -e $TIMESYNCD_CONF ]; then + rm -f $TIMESYNCD_CONF + systemctl try-restart systemd-timesyncd.service || true + fi +} + +timesyncd_servers_setup_add() { + if [ ! -d /run/systemd/system ]; then + return + fi + if [ ! -x /lib/systemd/systemd-timesyncd ]; then + return + fi + + if [ -e $TIMESYNCD_CONF ] && [ "$new_ntp_servers" = "$old_ntp_servers" ]; then + return + fi + + if [ -z "$new_ntp_servers" ]; then + timesyncd_servers_setup_remove + return + fi + + mkdir -p $(dirname $TIMESYNCD_CONF) + cat <<EOF > ${TIMESYNCD_CONF}.new +# NTP server entries received from DHCP server +[Time] +NTP=$new_ntp_servers +EOF + mv ${TIMESYNCD_CONF}.new ${TIMESYNCD_CONF} + systemctl try-restart systemd-timesyncd.service || true +} + + +case $reason in + BOUND|RENEW|REBIND|REBOOT) + timesyncd_servers_setup_add + ;; + EXPIRE|FAIL|RELEASE|STOP) + timesyncd_servers_setup_remove + ;; +esac |