c10182e5a6
With this change, the following roles are now only dependent on the minimal `matrix-base` role: - `matrix-corporal` - `matrix-coturn` - `matrix-mailer` - `matrix-mxisd` - `matrix-postgres` - `matrix-riot-web` - `matrix-synapse` The `matrix-nginx-proxy` role still does too much and remains dependent on the others. Wiring up the various (now-independent) roles happens via a glue variables file (`group_vars/matrix-servers`). It's triggered for all hosts in the `matrix-servers` group. According to Ansible's rules of priority, we have the following chain of inclusion/overriding now: - role defaults (mostly empty or good for independent usage) - playbook glue variables (`group_vars/matrix-servers`) - inventory host variables (`inventory/host_vars/matrix.<your-domain>`) All roles default to enabling their main component (e.g. `matrix_mxisd_enabled: true`, `matrix_riot_web_enabled: true`). Reasoning: if a role is included in a playbook (especially separately, in another playbook), it should "work" by default. Our playbook disables some of those if they are not generally useful (e.g. `matrix_corporal_enabled: false`).
66 lines
2 KiB
YAML
66 lines
2 KiB
YAML
---
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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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- 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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# 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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# 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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- name: Perform Postgres database import
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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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