1st commit

chrony.yml

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+- name: Setup chrony
+  hosts: test
+  become: true
+  gather_facts: False
+  pre_tasks:
+     - name: 1. Check Python and install if not present
+       raw: test -e /usr/bin/python || ( apt -y update && apt install -y python)
+       changed_when: False
+     - name: 2. Gather facts
+       setup: # aka gather_facts
+  roles:
+     - chrony

chrony/defaults/main.yml

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+---
+chrony_pkg_state: present
+chrony_service_state: started
+chrony_service_enabled: yes
+chrony_config_server:
+  - 0.cz.pool.ntp.org
+  - 1.cz.pool.ntp.org
+  - 2.cz.pool.ntp.org
+  - 3.cz.pool.ntp.org
+chrony_config_logdir: /var/log/chrony
+chrony_config_extra_options: {}

chrony/handlers/main.yml

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+---
+- name: restart chrony
+  service: name={{ chrony_service_name }} state=restarted

chrony/meta/main.yml

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+---
+galaxy_info:
+  author: davo
+  role_name: chrony
+  company: davo
+  description: Enables users to install and configure chrony on their hosts.
+  license: MIT
+  min_ansible_version: 2.4
+  platforms:
+    - name: Ubuntu
+      versions:
+        - artful
+        - bionic
+        - cosmic
+        - cuttlefish
+        - disco
+        - eoan
+        - focal
+        - groovy
+        - hirsute
+        - impish
+        - jammy
+        - lucid
+        - maverick
+        - natty
+        - precise
+        - quantal
+        - raring
+        - saucy
+        - trusty
+        - utopic
+        - vivid
+        - wily
+        - xenial
+        - yakkety
+        - zesty
+  galaxy_tags:
+    - system
+    - chrony
+    - ntp
+    - time
+dependencies: []

chrony/tasks/main.yml

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+---
+- name: chrony | Add the OS specific variables
+  include_vars: "ubuntu.yml"
+
+- name: chrony | Installation
+  include_tasks: "ubuntu.yml"
+
+- name: chrony | Copy the chrony.conf template file
+  template:
+    src: chrony.conf.j2
+    dest: "{{ chrony_config_location }}"
+  notify:
+    - restart chrony
+
+- name: chrony | start and enable chrony service
+  service:
+    name: "{{ chrony_service_name }}"
+    state: "{{ chrony_service_state }}"
+    enabled: "{{ chrony_service_enabled }}"

chrony/tasks/ubuntu.yml

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+---
+- name: Install the require packages in Ubuntu derivatives
+  apt: name=chrony state={{ chrony_pkg_state }}

chrony/templates/chrony.conf.j2

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+# {{ ansible_managed }}
+
+# List of NTP servers to use.
+{% for server in chrony_config_server %}
+server {{ server }} iburst
+{% endfor %}
+
+# This directive specify the location of the file containing ID/key pairs for
+# NTP authentication.
+keyfile {{ chrony_config_keyfile }}
+
+# This directive specify the file into which chronyd will store the rate
+# information.
+driftfile {{ chrony_config_driftfile }}
+
+# Uncomment the following line to turn logging on.
+#log tracking measurements statistics
+
+# Log files location.
+logdir {{chrony_config_logdir }}
+
+# Stop bad estimates upsetting machine clock.
+maxupdateskew 100.0
+
+# Bind local adress
+bindaddress 127.0.0.1
+
+# This directive enables kernel synchronisation (every 11 minutes) of the
+# real-time clock. Note that it can't be used along with the 'rtcfile' directive.
+rtcsync
+
+# 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
+
+# Extra options
+{% for k, v in chrony_config_extra_options.items() %}
+{{ k }} {{ v }}
+{% endfor %}

chrony/vars/ubuntu.yml

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+---
+chrony_service_name: chrony
+chrony_config_location: /etc/chrony/chrony.conf
+chrony_config_driftfile: /var/lib/chrony/chrony.drift
+chrony_config_keyfile: /etc/chrony/chrony.keys