NTP client/server, prepare slapd

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

roles/ntp-client/handlers/main.yml

@@ -0,0 +1,5 @@
+---
+- name: Restart systemd-timesyncd
+  service:
+    name: systemd-timesyncd
+    state: restarted

roles/ntp-client/tasks/main.yml

@@ -0,0 +1,29 @@
+---
+- name: Clean up ntp
+  apt:
+    state: absent
+    name: ntp
+    purge: true
+  register: apt_result
+  retries: 3
+  until: apt_result is succeeded
+  when: "'ntp_server' not in group_names"
+
+- name: Install systemd-timesyncd (bullseye)
+  apt:
+    name: systemd-timesyncd
+    update_cache: true
+    install_recommends: false
+  register: apt_result
+  retries: 3
+  until: apt_result is succeeded
+  when:
+    - "'ntp_server' not in group_names"
+    - ansible_distribution_release == "bullseye"
+
+- name: Configure NTP
+  template:
+    src: systemd/timesyncd.conf.j2
+    dest: /etc/systemd/timesyncd.conf
+  notify: Restart systemd-timesyncd
+  when: "'ntp_server' not in group_names"

roles/ntp-client/templates/systemd/timesyncd.conf.j2

@@ -0,0 +1,2 @@
+[Time]
+NTP={{ ntp_client.servers | join(' ') }}