matrix-docker-ansible-deploy/roles/matrix-postgres/tasks/import_generic_sqlite_db.yml

85 lines
2.9 KiB
YAML
Raw Normal View History

---
# Pre-checks
- name: Fail if Postgres not enabled
fail:
msg: "Postgres via the matrix-postgres role is not enabled (`matrix_postgres_enabled`). Cannot import."
when: "not matrix_postgres_enabled|bool"
- name: Fail if playbook called incorrectly
fail:
msg: "The `sqlite_database_path` variable needs to be provided to this playbook, via --extra-vars"
when: "sqlite_database_path is not defined or sqlite_database_path.startswith('<')"
- name: Fail if playbook called incorrectly
fail:
msg: >-
The `postgres_db_connection_string` variable needs to be provided to this playbook, via `--extra-vars`.
Example: `--extra-vars="postgres_db_connection_string=postgresql://username:password@localhost:<port>/database_name`"
when: "postgres_db_connection_string is not defined or not postgres_db_connection_string.startswith('postgresql://')"
- name: Check if the provided SQLite database file exists
stat:
path: "{{ sqlite_database_path }}"
register: sqlite_database_path_stat_result
- name: Fail if provided SQLite database file doesn't exist
fail:
msg: "File cannot be found on the server at {{ sqlite_database_path }}"
when: "not sqlite_database_path_stat_result.stat.exists"
# Defaults
- name: Set postgres_start_wait_time, if not provided
set_fact:
postgres_start_wait_time: 15
when: "postgres_start_wait_time|default('') == ''"
# Actual import work
- name: Ensure matrix-postgres is started
service:
name: matrix-postgres
state: started
daemon_reload: yes
register: matrix_postgres_service_start_result
- name: Wait a bit, so that Postgres can start
wait_for:
timeout: "{{ postgres_start_wait_time }}"
delegate_to: 127.0.0.1
become: false
when: "matrix_postgres_service_start_result.changed|bool"
- name: Import SQLite database from {{ sqlite_database_path }} into Postgres
command:
cmd: >-
{{ matrix_host_command_docker }} run
--rm
--user={{ matrix_user_uid }}:{{ matrix_user_gid }}
--cap-drop=ALL
--network={{ matrix_docker_network }}
--mount type=bind,src={{ sqlite_database_path }},dst=/in.db,ro
--entrypoint=/bin/sh
{{ matrix_postgres_pgloader_docker_image }}
-c
'pgloader /in.db {{ postgres_db_connection_string }}'
- name: Archive SQLite database ({{ sqlite_database_path }} -> {{ sqlite_database_path }}.backup)
command:
cmd: "mv {{ sqlite_database_path }} {{ sqlite_database_path }}.backup"
- name: Inject result
set_fact:
matrix_playbook_runtime_results: |
{{
matrix_playbook_runtime_results|default([])
+
[
"NOTE: Your SQLite database file has been imported into Postgres. The original file has been moved from `{{ sqlite_database_path }}` to `{{ sqlite_database_path }}.backup`. When you've confirmed that the import went well and everything works, you should be able to safely delete this file."
]
}}