Update to 2021-02-19 17:00

roles/metabase/tasks/install.yml

@@ -44,3 +44,10 @@
     - db_server: "{{ metabase_db_server }}"
     - db_pass: "{{ metabase_db_pass }}"
   tags: metabase
+
+- name: Install pre and post backup hooks
+  template: src={{ item }}-backup.j2 dest=/etc/backup/{{ item }}.d/metabase mode=700
+  loop:
+    - pre
+    - post
+  tags: metabase

roles/metabase/templates/post-backup.j2

@@ -0,0 +1,3 @@
+#!/bin/bash -e
+
+rm -f {{ metabase_root_dir }}/backup/*

roles/metabase/templates/pre-backup.j2

@@ -0,0 +1,13 @@
+#!/bin/bash -e
+
+/usr/bin/mysqldump \
+{% if metabase_db_server not in ['localhost','127.0.0.1'] %}
+  --user={{ metabase_db_user | quote }} \
+  --password={{ metabase_db_pass | quote }} \
+  --host={{ metabase_db_server | quote }} \
+  --port={{ metabase_db_port | quote }} \
+{% endif %}
+  --quick --single-transaction \
+  --add-drop-table {{ metabase_db_name | quote }} | zstd -c > {{ metabase_root_dir }}/backup/{{ metabase_db_name }}.sql.zst
+cp {{ metabase_root_dir }}/etc/env {{ metabase_root_dir }}/backup/
+