Add ntfy role

Installs and configures the ntfysh server to enable notifications.

roles/ntfy/tasks/main.yml

@@ -0,0 +1,38 @@
+---
+- name: Ensure target directory exists
+  ansible.builtin.file:
+    path: "{{ ntfy_upstream_file_dir }}"
+    state: directory
+    mode: '0755'
+  become: yes
+
+- name: Move ntfy configuration file to target dir
+  ansible.builtin.template:
+    src: "server.yml.j2"
+    dest: "{{ ntfy_upstream_file_dir }}/server.yml"
+  become: yes
+  notify: "update ntfy upstream"
+
+## install ntfy container
+- name: Check upstream status
+  community.docker.docker_container_exec:
+    container: "{{ caddy_container_id }}"
+    command: >
+      curl localhost:2019/id/{{ stack_name }}_upstream/
+  register: result
+  changed_when: (result.stdout | from_json) != (lookup('template', 'upstream.json.j2') | from_yaml)
+  become: yes
+  notify: "update ntfy upstream"
+
+- name: Deploy ntfy to swarm
+  community.general.docker_stack:
+    name: "{{ stack_name }}"
+    state: present
+    prune: yes
+    compose:
+      - "{{ stack_compose }}"
+  become: yes
+  tags:
+    - docker-swarm
+  notify: "update ntfy upstream"
+