extend chrony playbook to set custom ntp server

linux/debian/files/chrony.conf.j2

+# Welcome to the chrony configuration file. See chrony.conf(5) for more
+# information about usable directives.
+
+# Include configuration files found in /etc/chrony/conf.d.
+confdir /etc/chrony/conf.d
+
+# Use Debian vendor zone.
+server {{ ntp_server }}
+
+# Use time sources from DHCP.
+sourcedir /run/chrony-dhcp
+
+# Use NTP sources found in /etc/chrony/sources.d.
+sourcedir /etc/chrony/sources.d
+
+# This directive specify the location of the file containing ID/key pairs for
+# NTP authentication.
+keyfile /etc/chrony/chrony.keys
+
+# This directive specify the file into which chronyd will store the rate
+# information.
+driftfile /var/lib/chrony/chrony.drift
+
+# Save NTS keys and cookies.
+ntsdumpdir /var/lib/chrony
+
+# Uncomment the following line to turn logging on.
+#log tracking measurements statistics
+
+# Log files location.
+logdir /var/log/chrony
+
+# Stop bad estimates upsetting machine clock.
+maxupdateskew 100.0
+
+# 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
+
+# Get TAI-UTC offset and leap seconds from the system tz database.
+# This directive must be commented out when using time sources serving
+# leap-smeared time.
+leapsectz right/UTC
\ No newline at end of file

linux/debian/install-chrony.yml

 - name: Install Chrony NTP Daemon
   hosts: all
+  vars:
+    ntp_server: ptbtime1.ptb.de
   tasks:
   - name: install chrony
     apt:
       name: chrony
       update_cache: yes
+  - name: stop service
+    ansible.builtin.systemd:
+      name: chrony
+      state: stopped
+  - name: copy config file
+    template:
+      src: files/chrony.conf.j2
+      dest: /etc/chrony/chrony.conf
   - name: start service
     ansible.builtin.systemd:
       name: chrony