matrix-docker-ansible-deploy/roles/matrix-postgres/tasks/run_synapse_janitor.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 run synapse-janitor."
when: "not matrix_postgres_enabled|bool"
# Defaults
- name: Set postgres_start_wait_time, if not provided
set_fact:
postgres_start_wait_time: 15
when: "postgres_start_wait_time|default('') == ''"
- name: Set postgres_synapse_janitor_wait_time, if not provided
set_fact:
postgres_synapse_janitor_wait_time: "{{ 7 * 86400 }}"
when: "postgres_synapse_janitor_wait_time|default('') == ''"
- name: Set postgres_synapse_janitor_tool_path, if not provided
set_fact:
postgres_synapse_janitor_tool_path: "{{ matrix_postgres_base_path }}/synapse_janitor.sql"
when: "postgres_synapse_janitor_tool_path|default('') == ''"
# Actual janitor work
- name: Download synapse-janitor tool
get_url:
url: "{{ matrix_postgres_tool_synapse_janitor }}"
dest: "{{ postgres_synapse_janitor_tool_path }}"
force: true
mode: 0550
owner: "{{ matrix_user_username }}"
group: "{{ matrix_user_username }}"
- name: Ensure matrix-postgres is started
service:
name: matrix-postgres
state: started
daemon_reload: yes
- name: Wait a bit, so that Postgres can start
wait_for:
timeout: "{{ postgres_start_wait_time }}"
delegate_to: 127.0.0.1
become: false
- import_tasks: tasks/util/detect_existing_postgres_version.yml
- name: Abort, if no existing Postgres version detected
fail:
msg: "Could not find existing Postgres installation"
when: "not matrix_postgres_detected_existing|bool"
- name: Generate Postgres database synapse-janitor command
set_fact:
matrix_postgres_synapse_janitor_command: >-
/usr/bin/docker run --rm --name matrix-postgres-synapse-janitor
--user={{ matrix_user_uid }}:{{ matrix_user_gid }}
--cap-drop=ALL
--network={{ matrix_docker_network }}
--env-file={{ matrix_postgres_base_path }}/env-postgres-psql
--mount type=bind,src={{ postgres_synapse_janitor_tool_path }},dst=/synapse_janitor.sql,ro=true
{{ matrix_postgres_docker_image_latest }}
psql -v ON_ERROR_STOP=1 -h matrix-postgres {{ matrix_synapse_database_database }} -f /synapse_janitor.sql
- name: Note about Postgres purging alternative
debug:
msg: >-
Running synapse-janitor with the following Postgres command: `{{ matrix_postgres_synapse_janitor_command }}`.
If this crashes, you can stop all processes (`systemctl stop matrix-*`),
start Postgres only (`systemctl start matrix-postgres`)
and manually run the above command directly on the server.
- name: Populate service facts
service_facts:
- set_fact:
matrix_postgres_synapse_was_running: "{{ ansible_facts.services['matrix-synapse.service']|default(none) is not none and ansible_facts.services['matrix-synapse.service'].state == 'running' }}"
- name: Ensure matrix-synapse is stopped
service:
name: matrix-synapse
state: stopped
daemon_reload: yes
- name: Run synapse-janitor
command: "{{ matrix_postgres_synapse_janitor_command }}"
async: "{{ postgres_synapse_janitor_wait_time }}"
poll: 10
register: matrix_postgres_synapse_janitor_result
# Intentionally show the results
- debug: var="matrix_postgres_synapse_janitor_result"
- name: Ensure matrix-synapse is started, if it previously was
service:
name: matrix-synapse
state: started
daemon_reload: yes
when: "matrix_postgres_synapse_was_running|bool"
- name: Delete synapse-janitor tool
file:
path: "{{ postgres_synapse_janitor_tool_path }}"
state: absent