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97 lines
3.5 KiB
97 lines
3.5 KiB
---
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# Pre-checks
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- name: Fail if Postgres not enabled
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ansible.builtin.fail:
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msg: "Postgres via the matrix-postgres role is not enabled (`matrix_postgres_enabled`). Cannot run vacuum."
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when: "not matrix_postgres_enabled | bool"
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# Defaults
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- name: Set postgres_start_wait_time, if not provided
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ansible.builtin.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_vacuum_wait_time, if not provided
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ansible.builtin.set_fact:
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postgres_vacuum_wait_time: "{{ 7 * 86400 }}"
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when: "postgres_vacuum_wait_time | default('') == ''"
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# Actual vacuuming work
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- name: Ensure matrix-postgres is started
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ansible.builtin.service:
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name: matrix-postgres
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state: started
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daemon_reload: true
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register: matrix_postgres_vacuum_start_result
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- when: matrix_postgres_vacuum_start_result.changed | bool
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name: Wait a bit, so that Postgres can start
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ansible.builtin.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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- ansible.builtin.import_tasks: tasks/detect_existing_postgres_version.yml
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- name: Abort, if no existing Postgres version detected
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ansible.builtin.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 vacuum command
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ansible.builtin.set_fact:
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matrix_postgres_vacuum_command: >-
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{{ matrix_host_command_docker }} run --rm --name matrix-postgres-synapse-vacuum
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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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{{ matrix_postgres_docker_image_latest }}
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psql -v ON_ERROR_STOP=1 -h matrix-postgres {{ matrix_synapse_database_database }} -c 'VACUUM FULL VERBOSE'
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- name: Note about Postgres vacuum alternative
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ansible.builtin.debug:
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msg: >-
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Running vacuum with the following Postgres ansible.builtin.command: `{{ matrix_postgres_vacuum_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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ansible.builtin.service_facts:
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- ansible.builtin.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 services are stopped
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ansible.builtin.service:
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name: "{{ item }}"
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state: stopped
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daemon_reload: true
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with_items: "{{ matrix_postgres_systemd_services_to_stop_for_maintenance_list }}"
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- name: Run Postgres vacuum command
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ansible.builtin.command: "{{ matrix_postgres_vacuum_command }}"
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async: "{{ postgres_vacuum_wait_time }}"
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poll: 10
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register: matrix_postgres_synapse_vacuum_result
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failed_when: not matrix_postgres_synapse_vacuum_result.finished or matrix_postgres_synapse_vacuum_result.rc != 0
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changed_when: matrix_postgres_synapse_vacuum_result.finished and matrix_postgres_synapse_vacuum_result.rc == 0
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# Intentionally show the results
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- ansible.builtin.debug:
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var: "matrix_postgres_synapse_vacuum_result"
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- name: Ensure services are started
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ansible.builtin.service:
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name: "{{ item }}"
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state: started
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daemon_reload: true
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with_items: "{{ matrix_postgres_systemd_services_to_stop_for_maintenance_list }}"
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