dovecot: add logrotate config

roles/mail/files/logrotate.d/dovecot

@@ -0,0 +1,12 @@
+/var/log/dovecot/*.log {
+  weekly
+  rotate 4
+  missingok
+  notifempty
+  compress
+  delaycompress
+  sharedscripts
+  postrotate
+    doveadm log reopen
+  endscript
+}

roles/mail/tasks/main.yml

@@ -46,6 +46,9 @@
   - dovecot/local.conf
   notify: Restart dovecot
 
+- name: Configure logrotate for dovecot
+  copy: src=logrotate.d/dovecot dest=/etc/logrotate.d/dovecot
+
 - name: Ensure dovecot certificates are available
   command: openssl req -x509 -nodes -newkey rsa:2048 -keyout /etc/dovecot/ssl/{{ mail_server }}.key -out /etc/dovecot/ssl/{{ mail_server }}.crt -days 730 -subj "/CN={{ mail_server }}" creates=/etc/dovecot/ssl/{{ mail_server }}.crt
   notify: Restart dovecot