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118 lines
3.9 KiB
118 lines
3.9 KiB
---
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# Pre-checks
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- name: Fail if Postgres not enabled
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fail:
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msg: "Postgres via the matrix-postgres role is not enabled (`matrix_postgres_enabled`). Cannot run synapse-janitor."
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when: "not matrix_postgres_enabled|bool"
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- name: Fail if not aware of the risks
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fail:
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msg: >-
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Using Synapse Janitor is considered dangerous and may break your database.
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See https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/465.
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If you'd like to run it anyway, add `--extra-vars='i_know_synapse_janitor_is_dangerous=1'` to your command.
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when: "i_know_synapse_janitor_is_dangerous|default('') == ''"
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# Defaults
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- name: Set postgres_start_wait_time, if not provided
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set_fact:
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postgres_start_wait_time: 15
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when: "postgres_start_wait_time|default('') == ''"
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- name: Set postgres_synapse_janitor_wait_time, if not provided
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set_fact:
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postgres_synapse_janitor_wait_time: "{{ 7 * 86400 }}"
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when: "postgres_synapse_janitor_wait_time|default('') == ''"
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- name: Set postgres_synapse_janitor_tool_path, if not provided
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set_fact:
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postgres_synapse_janitor_tool_path: "{{ matrix_postgres_base_path }}/synapse_janitor.sql"
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when: "postgres_synapse_janitor_tool_path|default('') == ''"
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# Actual janitor work
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- name: Download synapse-janitor tool
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get_url:
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url: "{{ matrix_postgres_tool_synapse_janitor }}"
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dest: "{{ postgres_synapse_janitor_tool_path }}"
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force: true
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mode: 0550
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owner: "{{ matrix_user_username }}"
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group: "{{ matrix_user_groupname }}"
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- name: Ensure matrix-postgres is started
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service:
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name: matrix-postgres
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state: started
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daemon_reload: yes
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- name: Wait a bit, so that Postgres can start
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wait_for:
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timeout: "{{ postgres_start_wait_time }}"
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delegate_to: 127.0.0.1
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become: false
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- import_tasks: tasks/util/detect_existing_postgres_version.yml
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- name: Abort, if no existing Postgres version detected
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fail:
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msg: "Could not find existing Postgres installation"
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when: "not matrix_postgres_detected_existing|bool"
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- name: Generate Postgres database synapse-janitor command
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set_fact:
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matrix_postgres_synapse_janitor_command: >-
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/usr/bin/docker run --rm --name matrix-postgres-synapse-janitor
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--user={{ matrix_user_uid }}:{{ matrix_user_gid }}
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--cap-drop=ALL
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--network={{ matrix_docker_network }}
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--env-file={{ matrix_postgres_base_path }}/env-postgres-psql
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--mount type=bind,src={{ postgres_synapse_janitor_tool_path }},dst=/synapse_janitor.sql,ro=true
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{{ matrix_postgres_docker_image_latest }}
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psql -v ON_ERROR_STOP=1 -h matrix-postgres {{ matrix_synapse_database_database }} -f /synapse_janitor.sql
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- name: Note about Postgres purging alternative
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debug:
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msg: >-
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Running synapse-janitor with the following Postgres command: `{{ matrix_postgres_synapse_janitor_command }}`.
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If this crashes, you can stop all processes (`systemctl stop matrix-*`),
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start Postgres only (`systemctl start matrix-postgres`)
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and manually run the above command directly on the server.
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- name: Populate service facts
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service_facts:
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- set_fact:
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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' }}"
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- name: Ensure matrix-synapse is stopped
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service:
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name: matrix-synapse
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state: stopped
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daemon_reload: yes
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- name: Run synapse-janitor
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command: "{{ matrix_postgres_synapse_janitor_command }}"
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async: "{{ postgres_synapse_janitor_wait_time }}"
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poll: 10
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register: matrix_postgres_synapse_janitor_result
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# Intentionally show the results
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- debug: var="matrix_postgres_synapse_janitor_result"
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- name: Ensure matrix-synapse is started, if it previously was
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service:
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name: matrix-synapse
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state: started
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daemon_reload: yes
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when: "matrix_postgres_synapse_was_running|bool"
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- name: Delete synapse-janitor tool
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file:
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path: "{{ postgres_synapse_janitor_tool_path }}"
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state: absent
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