129 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			YAML
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			YAML
		
	
	
	
	
	
| # SPDX-FileCopyrightText: 2020 - 2024 Slavi Pantaleev
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| # SPDX-FileCopyrightText: 2022 MDAD project contributors
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| # SPDX-FileCopyrightText: 2022 Marko Weltzer
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| # SPDX-FileCopyrightText: 2022 Nikita Chernyi
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| # SPDX-FileCopyrightText: 2022 Sebastian Gumprich
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| #
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| # SPDX-License-Identifier: AGPL-3.0-or-later
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| 
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| ---
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| # Pre-checks
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| 
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| - name: Fail if Postgres not enabled
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|   ansible.builtin.fail:
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|     msg: "Postgres via ansible-role-postgres role is not enabled (`postgres_enabled`). Cannot use rust-synapse-compress-state."
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|   when: "not postgres_enabled | bool"
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| 
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| 
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| # Defaults
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 
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| # Actual compression work
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| 
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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_synapse_uid }}"
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|     group: "{{ matrix_synapse_gid }}"
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| 
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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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| 
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| 
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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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|       {{ 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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