Move from distro-based Matrix install to a matrix.org-based one

.ansible/roles/matrix_server/tasks/includes/repos.yaml

@@ -0,0 +1,19 @@
+- name: includes/repos.yaml
+  tags:
+    - install
+    - repos
+    - matrix
+  block:
+    - name: "Apt repo: Import GPG key: {{ repo.name }}"
+      apt_key:
+        state: present
+        url: "{{ repo.key }}"
+      when: repo.key
+      become: true
+
+    - name: "Apt repo: Add repo: {{ repo.name }}"
+      apt_repository:
+        state: present
+        repo: "{{ repo.data }}"
+        update_cache: yes
+      become: true

.ansible/roles/matrix_server/tasks/main.yaml

@@ -1,9 +1,20 @@
-- name: Synapse package
+- name: Adding repositories
   tags:
     - install
+    - repos
+    - matrix
+  include: includes/repos.yaml
+  loop: "{{ linux_repos }}"
+  loop_control:
+    loop_var: repo
+
+- name: Installing packages
+  tags:
+    - install
+    - packages
     - matrix
-    - synapse
   package:
-    name: matrix-synapse
-    state: latest
-  become: yes
+    name: "{{ item }}"
+    state: present
+  loop: "{{ linux_packages }}"
+  become: true

.ansible/roles/matrix_server/vars/main.yaml

@@ -0,0 +1,8 @@
+---
+linux_repos:
+  - name: 'Matrix Synapse'
+    data: 'deb https://packages.matrix.org/debian disco main'
+    key: 'https://packages.matrix.org/debian/matrix-org-archive-keyring.gpg'
+
+linux_packages:
+  - matrix-synapse-py3