pvc-ansible/roles/base/templates/etc/ntp.conf.j2

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# Main NTP configuration
# {{ ansible_managed }}
driftfile /var/lib/ntp/ntp.drift
statistics loopstats peerstats clockstats
filegen loopstats file loopstats type day enable
filegen peerstats file peerstats type day enable
filegen clockstats file clockstats type day enable
disable auth
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# Enable orphan mode if cluster cannot connect to the Internet
tos orphan 6
server 127.0.0.1
fudge 127.0.0.1 stratum 10
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# NRC public NTP masters
server time.nrc.ca iburst
server time.chu.nrc.ca iburst
# Local PVC cluster
{% for host in groups[cluster_group] %}
peer {{ host }}
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{% endfor %}
# Provide NTP for others via multicast
multicast 224.0.0.3
multicast ff05::103
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restrict -4 default notrap nomodify
restrict -6 default notrap nomodify
restrict 127.0.0.1
restrict ::1