Initial commit

roles/postgres_backup/files/postgres-backup.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=Postgres auto backup daemon
+After=network.target
+
+[Service]
+Type=oneshot
+User=postgres
+Group=postgres
+WorkingDirectory=/var/lib/postgres/
+ExecStart=/usr/bin/sh -c 'pg_dumpall | xz -c -T2 > dumpall-$(date -I).xz'
+ExecStart=/usr/bin/sh -c 'mcli --config-dir .mcli cp dumpall-*.xz s3/konchin-pg-backup/'
+ExecStart=/usr/bin/sh -c 'rm dumpall-*.xz'
+StandardError=journal
+StandardOutput=journal
+StandardInput=null
+
+[Install]
+WantedBy=default.target

roles/postgres_backup/files/postgres-backup.timer

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+[Unit]
+Description=Weekly push postgres backup to S3
+
+[Timer]
+OnCalendar=weekly Asia/Taipei
+
+[Install]
+WantedBy=timers.target

roles/postgres_backup/handlers/main.yml

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+---
+- name: Upgrade packages
+  community.general.pacman:
+    upgrade: true

roles/postgres_backup/tasks/main.yml

@@ -0,0 +1,38 @@
+---
+- name: Update packages
+  community.general.pacman:
+    update_cache: true
+- name: Install minio cli
+  community.general.pacman:
+    pkg:
+      - minio-client
+  notify: Upgrade packages
+- name: Flush handlers
+  ansible.builtin.meta: flush_handlers
+
+- name: Install postgres-backup.service
+  ansible.builtin.copy:
+    src: postgres-backup.service
+    dest: /etc/systemd/system/postgres-backup.service
+    mode: '0644'
+    owner: root
+    group: root
+- name: Install postgres-backup.timer
+  ansible.builtin.copy:
+    src: postgres-backup.timer
+    dest: /etc/systemd/system/postgres-backup.timer
+    mode: '0644'
+    owner: root
+    group: root
+- name: Install etc directory
+  ansible.builtin.file:
+    path: /etc/postgres-backup/
+    state: directory
+    mode: '0755'
+    owner: root
+    group: root
+- name: Start and enable postgres-backup.timer
+  ansible.builtin.systemd_service:
+    name: postgres-backup.timer
+    state: started
+    enabled: true