Configure transmission

roles/transmission/files/update-transmission-settings

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+#!/bin/sh
+
+#
+# Update the transmission settings.json. For the update, stop transmission,
+# put the new file in place, and restart it.
+#
+
+set -e
+
+systemctl stop transmission-daemon
+cp /etc/transmission-daemon/settings-ansible.json /etc/transmission-daemon/settings.json
+chmod 0660 /etc/transmission-daemon/settings.json
+systemctl start transmission-daemon

roles/transmission/handlers/main.yaml

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+- name: update transmission settings
+  ansible.builtin.command: /usr/local/sbin/update-transmission-settings
+  become: true

roles/transmission/tasks/main.yaml

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+- name: ensure transmission-daemon is installed
+  ansible.builtin.apt:
+    name: transmission-daemon
+    state: present
+  become: true
+- name: ensure update-transmission-settings is deployed
+  ansible.builtin.copy:
+    src: "update-transmission-settings"
+    dest: "/usr/local/sbin/update-transmission-settings"
+    owner: root
+    group: root
+    mode: "0750"
+  become: true
+  notify: update transmission settings
+- name: ensure transmission settings are deployed
+  ansible.builtin.copy:
+    content: '{{ transmission__settings | to_json(indent=4, sort_keys=True) }}'
+    dest: "/etc/transmission-daemon/settings-ansible.json"
+    owner: debian-transmission
+    group: debian-transmission
+    mode: "0750"
+  become: true
+  notify: update transmission settings