X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/974e549653ae69774fb0b10674e9c69f1e947b06..71782b10c75d33947d536a9c8adccb039601155d:/cookbooks/ntp/templates/default/chrony.conf.erb

diff --git a/cookbooks/ntp/templates/default/chrony.conf.erb b/cookbooks/ntp/templates/default/chrony.conf.erb
index cc3d517a2..b3948809d 100644
--- a/cookbooks/ntp/templates/default/chrony.conf.erb
+++ b/cookbooks/ntp/templates/default/chrony.conf.erb
@@ -1,9 +1,31 @@
 # DO NOT EDIT - This file is being maintained by Chef
 
+<% if node[:lsb][:release].to_f >= 22.04 -%>
+# Include configuration files found in /etc/chrony/conf.d.
+confdir /etc/chrony/conf.d
+<% end -%>
+
 # Servers
 <% node[:ntp][:servers].each do |server| -%>
 pool <%= server %> iburst
 <% end -%>
+# Add additional non-pool NTP servers
+# pool.ntp.org can sometimes be aggressive with KoD
+pool time.cloudflare.com iburst
+pool time.google.com iburst
+
+# Allow local queries for monitoring
+allow 127.0.0.1/32
+allow ::1/128
+
+# Run an initial NTP sync on daemon startup
+# Use a few IPs here to workaround DNSSEC failure if time is wrong: https://github.com/openstreetmap/operations/issues/654
+initstepslew 30 216.239.35.0 216.239.35.4 216.239.35.8 216.239.35.12 time.google.com time.cloudflare.com <%= node[:ntp][:servers].join(" ") %>
+
+<% if node[:lsb][:release].to_f >= 22.04 -%>
+# Use NTP sources found in /etc/chrony/sources.d.
+sourcedir /etc/chrony/sources.d
+<% end -%>
 
 # This directive specify the location of the file containing ID/key pairs for
 # NTP authentication.
@@ -13,6 +35,11 @@ keyfile /etc/chrony/chrony.keys
 # information.
 driftfile /var/lib/chrony/chrony.drift
 
+<% if node[:lsb][:release].to_f >= 22.04 -%>
+# Save NTS keys and cookies.
+ntsdumpdir /var/lib/chrony
+<% end -%>
+
 # Uncomment the following line to turn logging on.
 #log tracking measurements statistics
 
@@ -26,12 +53,18 @@ maxupdateskew 100.0
 # real-time clock. Note that it can’t be used along with the 'rtcfile' directive.
 rtcsync
 
+<% if node[:virtualization][:role] == "guest" -%>
+# Allow anytime step on VM guests
+makestep 1 -1
+<% else -%>
 # Step the system clock instead of slewing it if the adjustment is larger than
 # one second, but only in the first three clock updates.
 makestep 1 3
+<% end -%>
 
-# Enable leap second smearing
-# Using recommended options
+# Enable leap second slew
 leapsecmode slew
 maxslewrate 1000
-smoothtime 400 0.001 leaponly
+
+# Enable hardware timestamps if available
+hwtimestamp *