From deb106e0405991deb9e110e9fe40e42283a991bc Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Wed, 22 Sep 2021 21:54:14 +0200
Subject: core/ntp: add support for ref-clocks

---
 roles/core/ntp/defaults/main.yml                  | 16 ++++++++++------
 roles/core/ntp/tasks/Debian_systemd-timesyncd.yml |  8 +++++---
 roles/core/ntp/templates/chrony.conf.j2           |  9 +++++++++
 roles/core/ntp/templates/openntpd.conf.j2         |  9 +++++++++
 4 files changed, 33 insertions(+), 9 deletions(-)

(limited to 'roles')

diff --git a/roles/core/ntp/defaults/main.yml b/roles/core/ntp/defaults/main.yml
index 592e17c7..5c8a8702 100644
--- a/roles/core/ntp/defaults/main.yml
+++ b/roles/core/ntp/defaults/main.yml
@@ -3,6 +3,16 @@
 # ntp_variant: chrony
 # ntp_variant: openntpd
 
+# ntp_hwtimestamp_interfaces:
+#   - name: "*"
+#     options: ....
+
+# ntp_refclocks:
+#   - type: SOCK
+#     device: /run/chrony.ttyS2.sock
+#     options: refid gpsd
+#   - device: nmea0
+#     options: refid GPS
 
 # ntp_client:
 #   servers:
@@ -15,12 +25,6 @@
 #   - name: peer.example.com
 #     options: iburst ....
 
-
-# ntp_hwtimestamp_interfaces:
-#   - name: "*"
-#     options: ....
-
-
 # ntp_server:
 #   allow: []
 #   deny: []
diff --git a/roles/core/ntp/tasks/Debian_systemd-timesyncd.yml b/roles/core/ntp/tasks/Debian_systemd-timesyncd.yml
index ebbe51b4..ae8068b4 100644
--- a/roles/core/ntp/tasks/Debian_systemd-timesyncd.yml
+++ b/roles/core/ntp/tasks/Debian_systemd-timesyncd.yml
@@ -1,8 +1,10 @@
 ---
-- name: make sure ntp_server is not defined
+- name: make sure ntp_server and ntp_refclocks is not defined
   assert:
-    that: ntp_server is not defined
-    msg: "systemd-timesyncd can not be used as a NTP server"
+    that:
+    - ntp_refclocks is not defined
+    - ntp_server is not defined
+    msg: "systemd-timesyncd can not be used as a NTP server or sync to local clocks"
 
 - name: set ntp servers
   when:
diff --git a/roles/core/ntp/templates/chrony.conf.j2 b/roles/core/ntp/templates/chrony.conf.j2
index 04571b74..00107914 100644
--- a/roles/core/ntp/templates/chrony.conf.j2
+++ b/roles/core/ntp/templates/chrony.conf.j2
@@ -13,6 +13,15 @@ makestep 1 3
 hwtimestamp {{ interface.name }}{% if 'options' in interface %} {{ interface.options }}{% endif %}{{ '' }}
 {%   endfor %}
 {% endif %}
+{% if ntp_refclocks is defined %}
+
+
+### Ref-Clocks
+
+{%   for refclock in ntp_refclocks %}
+refclock {{ refclock.type }} {{ refclock.device }}{% if 'options' in refclock %} {{ refclock.options }}{% endif %}{{ '' }}
+{%   endfor %}
+{% endif %}
 {% if ntp_client is defined %}
 
 
diff --git a/roles/core/ntp/templates/openntpd.conf.j2 b/roles/core/ntp/templates/openntpd.conf.j2
index 3e2204f6..fd43f816 100644
--- a/roles/core/ntp/templates/openntpd.conf.j2
+++ b/roles/core/ntp/templates/openntpd.conf.j2
@@ -1,3 +1,12 @@
+{% if ntp_refclocks is defined %}
+### Sensors
+
+{%   for refclock in ntp_refclocks %}
+sensor {{ refclock.device }}{% if 'options' in refclock %} {{ refclock.options }}{% endif %}{{ '' }}
+{%   endfor %}
+
+
+{%   endif %}
 {% if ntp_client is defined %}
 ### Client
 {%   if 'servers' in ntp_client %}
-- 
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