talos-vagrant/provision-chrony.sh at main · rgl/talos-vagrant · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
#!/bin/bash
source /vagrant/lib.sh


allow_network="$(ip addr show dev eth1 | awk '/inet / {print $2}')"


# install the NTP daemon.
# see https://chrony.tuxfamily.org/doc/3.5/chrony.conf.html
# see https://chrony.tuxfamily.org/doc/3.5/chronyd.html
# see https://chrony.tuxfamily.org/doc/3.5/chronyc.html

# disable systemd-timesyncd so it doesn't try to sync the time.
# the time sync will be handled by chrony.
systemctl stop systemd-timesyncd
systemctl disable systemd-timesyncd

# install chrony.
apt-get install -y chrony

# configure.
cat >>/etc/chrony/chrony.conf <<EOF
# NB you might need to configure the upstream ntp server pool.

# allow internal network.
allow $allow_network
EOF

# restart chrony for it to pickup the changes.
systemctl restart chrony

# wait for it to sync.
chronyc waitsync

# try chrony.
chronyc tracking
chronyc sources
chronyc clients
chronyc serverstats