fix: optimize deploy playbook and get rid of deprecated stuff

ansible/deploy.yml

@@ -64,29 +64,33 @@
     - role: status_page
     - role: systemd_services
 
-# london-b: Docker services (storage, apps) + media stack + backups
+# All docker hosts: deploy compose services
-- name: "Stage 4b: Services (london-b)"
+- name: "Stage 4b: Docker services"
-  hosts: london-b
+  hosts: docker_hosts
-  tags: [services, london-b]
+  tags: [services, docker_services]
   roles:
     - role: docker_services
-    - role: media_stack
-    - role: backup
 
-# nuremberg-a: Mail (poste.io via Docker)
+# nuremberg-a: Firewall
-- name: "Stage 4c: Mail (nuremberg-a)"
+- name: "Stage 4c: Firewall (nuremberg-a)"
   hosts: nuremberg-a
   tags: [services, mail]
   roles:
     - role: firewall_alpine
-    - role: docker_services
 
-# copenhagen-a: Gaming servers (MaNGOS + Minecraft via Docker)
+# london-b: Media stack + backups
-- name: "Stage 4d: Gaming servers (copenhagen-a)"
+- name: "Stage 4d: Media stack + backups (london-b)"
+  hosts: london-b
+  tags: [services, london-b]
+  roles:
+    - role: media_stack
+    - role: backup
+
+# copenhagen-a: Gaming servers
+- name: "Stage 4e: Gaming servers (copenhagen-a)"
   hosts: copenhagen-a
   tags: [services, gaming]
   roles:
-    - role: docker_services
     - role: systemd_services
     - role: mariadb
 

ansible/roles/systemd_exporter/tasks/main.yml

@@ -32,7 +32,7 @@
 - name: Set architecture fact
   ansible.builtin.set_fact:
     systemd_exporter_arch: >-
-      {{ ansible_architecture
+      {{ ansible_facts['architecture']
          | regex_replace('x86_64', 'amd64')
          | regex_replace('aarch64', 'arm64') }}