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121 lines
6.2 KiB
121 lines
6.2 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 com.devture.ansible.role.postgres role is not enabled (`devture_postgres_enabled`). Cannot use rust-synapse-compress-state."
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when: "not devture_postgres_enabled | bool"
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# Defaults
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- name: Set matrix_synapse_rust_synapse_compress_state_find_rooms_command_wait_time, if not provided
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ansible.builtin.set_fact:
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matrix_synapse_rust_synapse_compress_state_find_rooms_command_wait_time: 1800
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when: "matrix_synapse_rust_synapse_compress_state_find_rooms_command_wait_time | default('') == ''"
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- name: Set matrix_synapse_rust_synapse_compress_state_compress_room_time, if not provided
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ansible.builtin.set_fact:
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matrix_synapse_rust_synapse_compress_state_compress_room_time: 3600
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when: "matrix_synapse_rust_synapse_compress_state_compress_room_time | default('') == ''"
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- name: Set matrix_synapse_rust_synapse_compress_state_psql_import_time, if not provided
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ansible.builtin.set_fact:
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matrix_synapse_rust_synapse_compress_state_psql_import_time: 3600
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when: "matrix_synapse_rust_synapse_compress_state_psql_import_time | default('') == ''"
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- name: Set matrix_synapse_rust_synapse_compress_state_min_state_groups_required, if not provided
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ansible.builtin.set_fact:
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# The minimum number of state groups we're looking for before we consider a room eligible for compression.
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# Rooms with a smaller state groups count will not be compressed.
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matrix_synapse_rust_synapse_compress_state_min_state_groups_required: 100000
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when: "matrix_synapse_rust_synapse_compress_state_min_state_groups_required | default('') == ''"
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# Actual compression work
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- name: Ensure rust-synapse-compress-state paths exist
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ansible.builtin.file:
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path: "{{ matrix_synapse_rust_synapse_compress_state_base_path }}"
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state: directory
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mode: 0750
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owner: "{{ matrix_user_username }}"
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group: "{{ matrix_user_groupname }}"
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- name: Ensure rust-synapse-compress-state image is pulled
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community.docker.docker_image:
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name: "{{ matrix_synapse_rust_synapse_compress_state_docker_image }}"
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source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
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force_source: "{{ matrix_synapse_rust_synapse_compress_state_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
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force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_synapse_rust_synapse_compress_state_docker_image_force_pull }}"
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register: result
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retries: "{{ devture_playbook_help_container_retries_count }}"
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delay: "{{ devture_playbook_help_container_retries_delay }}"
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until: result is not failed
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- name: Generate rust-synapse-compress-state room find SQL command
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ansible.builtin.set_fact:
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matrix_synapse_rust_synapse_compress_state_find_rooms_command: >-
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{{ devture_postgres_bin_path }}/cli-non-interactive --dbname={{ matrix_synapse_database_database | quote }} -c "SELECT array_to_json(array_agg(row_to_json (r))) FROM (SELECT room_id, count(*) AS count FROM state_groups_state GROUP BY room_id HAVING count(*) > {{ matrix_synapse_rust_synapse_compress_state_min_state_groups_required }} ORDER BY count DESC) r;"
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- name: Find rooms eligible for compression with rust-synapse-compress-state
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ansible.builtin.command: "{{ matrix_synapse_rust_synapse_compress_state_find_rooms_command }}"
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async: "{{ matrix_synapse_rust_synapse_compress_state_find_rooms_command_wait_time }}"
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poll: 10
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register: matrix_synapse_rust_synapse_compress_state_find_rooms_command_result
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failed_when: not matrix_synapse_rust_synapse_compress_state_find_rooms_command_result.finished
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changed_when: false
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# We expect the output to be like this:
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#
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# "stdout_lines": [
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# " array_to_json ",
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# "----------------------------------------------------------------------------------------------------------------------------",
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# " [{\"room_id\":\"!some-id\",\"count\":2461329},{\"room_id\":\"!another-id\",\"count\":512017}]",
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# "(1 row)"
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# ]
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#
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# Row 3 (out of 4) contains the actual result.
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#
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# Row 3 contains a space when there's no result.
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- when: "matrix_synapse_rust_synapse_compress_state_find_rooms_command_result.failed or matrix_synapse_rust_synapse_compress_state_find_rooms_command_result.stdout_lines | length != 4"
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block:
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- ansible.builtin.debug:
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var: "matrix_synapse_rust_synapse_compress_state_find_rooms_command_result"
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- name: Fail if room find result is not what we expect
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ansible.builtin.fail:
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msg: >-
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Expecting 4 lines in the "find rooms" result.
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- when: "matrix_synapse_rust_synapse_compress_state_find_rooms_command_result.stdout_lines[2] != ' '"
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block:
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# matrix_synapse_rust_synapse_compress_state_eligible_rooms is a list
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# of dictionaries like this: {'room_id': '!some-id', 'count': 2461329}
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- ansible.builtin.set_fact:
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matrix_synapse_rust_synapse_compress_state_eligible_rooms: "{{ matrix_synapse_rust_synapse_compress_state_find_rooms_command_result.stdout_lines[2] | from_json }}"
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- name: Display rooms that will be compressed
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ansible.builtin.debug:
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msg: >-
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The following rooms contain more than {{ matrix_synapse_rust_synapse_compress_state_min_state_groups_required }} state group rows
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(configurable via `matrix_synapse_rust_synapse_compress_state_min_state_groups_required`)
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and will be compressed:
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{{ matrix_synapse_rust_synapse_compress_state_eligible_rooms }}
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- name: Compress room state
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ansible.builtin.include_tasks: "{{ role_path }}/tasks/rust-synapse-compress-state/compress_room.yml"
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with_items: "{{ matrix_synapse_rust_synapse_compress_state_eligible_rooms }}"
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loop_control:
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loop_var: room_details
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- name: Show notice about lack of rooms to compress
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ansible.builtin.debug:
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msg: >-
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No rooms were found to contain more than {{ matrix_synapse_rust_synapse_compress_state_min_state_groups_required }} state group rows
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(configurable via `matrix_synapse_rust_synapse_compress_state_min_state_groups_required`),
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so there's nothing to compress.
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when: "matrix_synapse_rust_synapse_compress_state_find_rooms_command_result.stdout_lines[2] == ' '"
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