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84 lines
2.8 KiB
84 lines
2.8 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 import."
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when: "not matrix_postgres_enabled"
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- name: Fail if playbook called incorrectly
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fail:
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msg: "The `server_path_postgres_dump` variable needs to be provided to this playbook, via --extra-vars"
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when: "server_path_postgres_dump is not defined or server_path_postgres_dump.startswith('<')"
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- name: Check if the provided Postgres dump file exists
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stat:
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path: "{{ server_path_postgres_dump }}"
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register: result_server_path_postgres_dump_stat
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- name: Fail if provided Postgres dump file doesn't exists
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fail:
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msg: "File cannot be found on the server at {{ server_path_postgres_dump }}"
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when: not result_server_path_postgres_dump_stat.stat.exists
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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_import_wait_time, if not provided
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set_fact:
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postgres_import_wait_time: "{{ 7 * 86400 }}"
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when: "postgres_import_wait_time|default('') == ''"
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# Actual import work
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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"
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- name: Generate Postgres database import command
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set_fact:
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matrix_postgres_import_command: >-
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/usr/bin/docker run --rm --name matrix-postgres-import
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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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-v {{ server_path_postgres_dump }}:{{ server_path_postgres_dump }}:ro
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--entrypoint=/bin/sh
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{{ matrix_postgres_docker_image_latest }}
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-c 'cat {{ server_path_postgres_dump }} |
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{{ 'gunzip |' if server_path_postgres_dump.endswith('.gz') else '' }}
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psql -v ON_ERROR_STOP=1 -h matrix-postgres'
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- name: Note about Postgres importing alternative
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debug:
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msg: >
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Importing Postgres database using the following command: `{{ matrix_postgres_import_command }}`.
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If this crashes, you can stop Postgres (`systemctl stop matrix-postgres`),
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delete its existing data (`rm -rf {{ matrix_postgres_data_path }}/*`), start it again (`systemctl start matrix-postgres`)
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and manually run the above import command directly on the server.
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- name: Perform Postgres database import
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command: "{{ matrix_postgres_import_command }}"
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async: "{{ postgres_import_wait_time }}"
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poll: 10
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