# Use public servers from the pool.ntp.org project.
{% for server in node_ntp_servers %}
{% if '${admin_ip}' in server %}
{% if inventory_hostname != admin_ip %}
{{ server | replace('${admin_ip}', admin_ip) }}
{% endif %}
{% else %}
{{ server }}
{% endif %}
{% endfor %}

# Record the rate at which the system clock gains/losses time.
driftfile /var/lib/chrony/drift

# Allow the system clock to be stepped in the first three updates
# if its offset is larger than 1 second.
makestep 10 120

# Enable kernel synchronization of the real-time clock (RTC).
rtcsync

# Enable hardware timestamping on all interfaces that support it.
#hwtimestamp *

# Increase the minimum number of selectable sources required to adjust
# the system clock.
#minsources 2

# Allow NTP client access from local network.
allow 127.0.0.1/32
allow 192.168.0.0/16
allow 10.0.0.0/8
allow ::/0

# Serve time even if not synchronized to a time source.
#local stratum 10

# Specify file containing keys for NTP authentication.
#keyfile /etc/chrony.keys

# Specify directory for log files.
logdir /var/log/chrony

# Select which information is logged.
#log measurements statistics tracking