Add diun role

roles/diun/README.md

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+# diun
+
+Monitor the deployed swarm containers for updates.
+Will notify you when it found any update for any container.
+Can (currently) notify you either through mail or on matrix.

roles/diun/defaults/main.yml

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+---
+diun_version: 4
+
+diun_upstream_file_dir: "{{ docker_stack_files_dir }}/{{ stack_name }}"
+
+diun_use_https: true
+
+# the subdomain link diun will be reachable under
+subdomain_alias: diun
+
+diun_tz: Europe/Berlin
+diun_log_level: info
+diun_watch_swarm_by_default: true
+
+diun_notif_mail_host: localhost
+diun_notif_mail_port: 25
+# diun_notif_mail_username: required for mail
+# diun_notif_mail_password: required for mail
+# diun_notif_mail_from: required for mail
+# diun_notif_mail_to: required for mail
+
+diun_notif_matrix_url: "https://matrix.org"
+#diun_notif_matrix_user:  required for matrix
+#diun_notif_matrix_password:  required for matrix
+#diun_notif_matrix_roomid:  required for matrix
+

roles/diun/meta/main.yml

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+---
+galaxy_info:
+  author: Marty Oehme
+  description: Notify on any docker swarm container updates
+  license: GPL-3.0-only
+  min_ansible_version: "2.9"
+  galaxy_tags: []
+
+dependencies:
+  - docker-swarm

roles/diun/tasks/main.yml

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+---
+## install diun container
+- name: Deploy diun to swarm
+  community.general.docker_stack:
+    name: "{{ stack_name }}"
+    state: present
+    prune: yes
+    compose:
+      - "{{ stack_compose }}"
+  become: true
+  tags:
+    - docker-swarm

roles/diun/templates/docker-stack.yml.j2

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+version: '3.4'
+
+services:
+  app:
+    image: crazymax/diun:latest
+    # healthcheck:
+    #   test: ["CMD", "wget", "--spider", "-q", "127.0.0.1"]
+    #   interval: 1m
+    #   timeout: 10s
+    #   retries: 3
+    #   start_period: 1m
+    command: serve
+    volumes:
+      - "data:/data"
+      - "/var/run/docker.sock:/var/run/docker.sock"
+    environment:
+      - "TZ={{ diun_tz }}"
+      - "LOG_LEVEL={{ diun_log_level }}"
+      - "LOG_JSON=false"
+      - "DIUN_WATCH_WORKERS=20"
+      - "DIUN_WATCH_SCHEDULE=0 */6 * * *"
+      - "DIUN_WATCH_JITTER=30s"
+      - "DIUN_PROVIDERS_SWARM=true"
+      - "DIUN_PROVIDERS_SWARM_WATCHBYDEFAULT={{ diun_watch_swarm_by_default }}"
+{% if diun_notif_matrix_user is not undefined and not None and diun_notif_matrix_password is not undefined and not None and diun_notif_matrix_roomid is not undefined and not None %}
+      - "DIUN_NOTIF_MATRIX_HOMESERVERURL={{ diun_notif_matrix_url }}"
+      - "DIUN_NOTIF_MATRIX_USER={{ diun_notif_matrix_user }}"
+      - "DIUN_NOTIF_MATRIX_PASSWORD={{ diun_notif_matrix_password }}"
+      - "DIUN_NOTIF_MATRIX_ROOMID={{ diun_notif_matrix_roomid }}"
+{% endif %}
+{% if diun_notif_mail_username is not undefined and not None and diun_notif_mail_password is not undefined and not None and diun_notif_mail_from is not undefined and not None and diun_notif_mail_to is not undefined and not None %}
+      - "DIUN_NOTIF_MAIL_HOST={{ diun_notif_mail_host }}"
+      - "DIUN_NOTIF_MAIL_PORT={{ diun_notif_mail_port }}"
+      - "DIUN_NOTIF_MAIL_USERNAME={{ diun_notif_mail_username }}"
+      - "DIUN_NOTIF_MAIL_PASSWORD={{ diun_notif_mail_password }}"
+      - "DIUN_NOTIF_MAIL_FROM={{ diun_notif_mail_from }}"
+      - "DIUN_NOTIF_MAIL_TO={{ diun_notif_mail_to }}"
+{% endif %}
+#    deploy:
+#      mode: replicated
+#      replicas: 1
+#      placement:
+#        constraints:
+#          - node.role == manager
+
+volumes:
+  data:
+
+networks:
+  "{{ docker_swarm_public_network_name }}":
+    external: true

roles/diun/vars/main.yml

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+---
+stack_name: diun
+
+stack_image: "crazymax/diun"
+
+stack_compose: "{{ lookup('template', 'docker-stack.yml.j2') | from_yaml }}"

site.yml

@@ -86,3 +86,9 @@
       tags:
         - ntfy
         - never
+
+    - name: Install diun
+      import_role:
+        role: diun
+      tags:
+        - diun