calathea: add config

roles/calathea/files/calathea.data.backup.sh

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+#!/usr/bin/env bash
+
+data_dir='/mnt/data1/calathea'
+snapshot_dir="${data_dir}.snapshot"
+
+# Read-only snapshot for atomic backup
+btrfs subvolume snapshot -r "$data_dir" "$snapshot_dir" || exit $?
+
+/usr/local/bin/restic backup "$snapshot_dir"
+
+# Always remove snapshot subvolume, even if restic fails
+btrfs subvolume delete "$snapshot_dir"

roles/calathea/files/calathea.service

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+[Unit]
+Description=Simple plant tracker
+After=docker.service
+Requires=docker.service
+
+[Service]
+Type=exec
+WorkingDirectory=/etc/calathea
+ExecStart=/usr/bin/docker compose up
+ExecStop=/usr/bin/docker compose down
+
+[Install]
+WantedBy=multi-user.target

roles/calathea/files/compose.yml

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+services:
+  app:
+    image: 'git.rustybever.be/chewing_bever/calathea:latest'
+
+    ports:
+      - '8013:8000'
+    volumes:
+      - '/mnt/data1/calathea/data:/data'

roles/calathea/handlers/main.yml

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+---
+- name: 'restart calathea'
+  ansible.builtin.service:
+    name: 'calathea'
+    state: 'restarted'

roles/calathea/tasks/main.yml

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+---
+- name: Ensure data directory is present
+  ansible.builtin.file:
+    path: '/mnt/data1/calathea'
+    state: directory
+    mode: '0755'
+    owner: 'root'
+    group: 'root'
+
+- name: Ensure data subvolumes are present
+  community.general.btrfs_subvolume:
+    name: '/calathea/{{ item }}'
+  loop:
+    - 'data'
+
+- name: Ensure subvolume permissions are correct
+  ansible.builtin.file:
+    path: "/mnt/data1/calathea/{{ item }}"
+    state: directory
+    mode: '0755'
+    owner: '82'
+    group: '82'
+  loop:
+    - 'data'
+
+- name: Ensure configuration directory is present
+  ansible.builtin.file:
+    path: '/etc/calathea'
+    state: directory
+    mode: '0755'
+
+- name: Ensure compose file is present
+  ansible.builtin.copy:
+    src: 'compose.yml'
+    dest: '/etc/calathea/compose.yml'
+    mode: '0644'
+    owner: 'root'
+    group: 'root'
+  notify: 'restart calathea'
+
+- name: Ensure backup scripts are present
+  ansible.builtin.copy:
+    src: "calathea.{{ item }}.backup.sh"
+    dest: "/etc/backups/calathea.{{ item }}.backup.sh"
+    owner: 'root'
+    group: 'root'
+    mode: '0644'
+  loop:
+    - 'data'
+
+- name: Ensure service file is present
+  ansible.builtin.copy:
+    src: 'calathea.service'
+    dest: '/lib/systemd/system/calathea.service'
+    owner: 'root'
+    group: 'root'
+    mode: '0644'
+  register: res
+
+- name: systemd-reload
+  ansible.builtin.systemd_service:
+    daemon_reload: true
+  when: 'res.changed'
+
+- name: Ensure calathea service is enabled
+  ansible.builtin.service:
+    name: 'calathea'
+    enabled: true