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

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---
# 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"
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- name: Fail if playbook called incorrectly
fail:
msg: "The `server_path_homeserver_db` variable needs to be provided to this playbook, via --extra-vars"
when: "server_path_homeserver_db is not defined or server_path_homeserver_db.startswith('<')"
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- name: Check if the provided SQLite homeserver.db file exists
stat:
path: "{{ server_path_homeserver_db }}"
register: result_server_path_homeserver_db_stat
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- name: Fail if provided SQLite homeserver.db file doesn't exist
fail:
msg: "File cannot be found on the server at {{ server_path_homeserver_db }}"
when: "not result_server_path_homeserver_db_stat.stat.exists"
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# 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
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- name: Ensure matrix-postgres is stopped
service:
name: matrix-postgres
state: stopped
daemon_reload: yes
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- name: Ensure postgres data is wiped out
file:
path: "{{ matrix_postgres_data_path }}"
state: absent
- name: Ensure postgres data path exists
file:
path: "{{ matrix_postgres_data_path }}"
state: directory
mode: 0700
owner: "{{ matrix_user_username }}"
group: "{{ matrix_user_groupname }}"
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- name: Ensure matrix-postgres is started
service:
name: matrix-postgres
state: restarted
daemon_reload: yes
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- name: Wait a bit, so that Postgres can start
wait_for:
timeout: "{{ postgres_start_wait_time }}"
delegate_to: 127.0.0.1
become: false
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# We don't use the `docker_container` module, because using it with `cap_drop` requires
# a very recent version, which is not available for a lot of people yet.
#
# Also, some old `docker_container` versions were buggy and would leave containers behind
# on failure, which we had to work around to allow retries (by re-running the playbook).
- name: Import SQLite database into Postgres
command: |
docker run
--rm
--name=matrix-synapse-migrate
--user={{ matrix_user_uid }}:{{ matrix_user_gid }}
--cap-drop=ALL
--network={{ matrix_docker_network }}
--entrypoint=python
-v {{ matrix_synapse_config_dir_path }}:/data
-v {{ matrix_synapse_config_dir_path }}:/matrix-media-store-parent/media-store
-v {{ server_path_homeserver_db }}:/{{ server_path_homeserver_db|basename }}:ro
{{ matrix_synapse_docker_image }}
/usr/local/bin/synapse_port_db --sqlite-database /{{ server_path_homeserver_db|basename }} --postgres-config /data/homeserver.yaml