Setup mailman3 server

We want to migrate to mailman3 as mailman2 is basically unmaintained and requires Python 2 which is EOL.

Because the mailman and mailman3 packages conflict and we don't want to perform a big bang migration, mailman3 must be deployed on a separate server. mailman-web (mailman3's web interface) hasn't been packaged yet, so for now we are using my homebrewed PKGBUILD.

[1] https://gist.github.com/klausenbusk/5982063f95c503754a51ed2fefb8915e

Ref #59 (closed)

---

Migrated lists:

• arch-announce
• arch-devops-private
• arch-events
• arch-wiki-admins

roles/mailman3/tasks/main.yml

@@ -7,6 +7,7 @@
 # django-admin createsuperuser --pythonpath /etc/mailman3 --settings settings
 - name: install mailman3, mailman3-hyperkitty, python-psycopg2, mailman-web and uwsgi-plugin-python
   pacman: name=mailman3,mailman3-hyperkitty,python-psycopg2,mailman-web,uwsgi-plugin-python state=present
+  register: install
 
 - name: install {mailman,mailman-web} configuration
   template: src={{ item.src }} dest={{ item.dest }} owner=root group={{ item.group }} mode=0640
@@ -50,9 +51,19 @@
   become_user: postgres
   become_method: su
 
+- name: run Django management tasks
+  command: django-admin {{ item }} --pythonpath /etc/webapps/mailman-web --settings settings
+  loop:
+    - migrate
+    - loaddata
+    - collectstatic
+    - compress
+  become: true
+  become_user: mailman-web
+  when: install.changed
+
 - name: open firewall holes for mailman (LMTP)
   ansible.posix.firewalld: port=8024/tcp zone=wireguard permanent=true state=enabled immediate=yes
-  when: configure_firewall
   tags:
     - firewall