d107ab2540
Since cbee084ac1, this playbook supports Postgres 10.x,
but keeps existing Postgres-9.x installs on 9.x.
This playbook can now also be ran with `--tags=upgrade-postgres`
to make it upgrade from Postgres 9.x to 10.x (or other versions
in the future).
124 lines
4.6 KiB
YAML
124 lines
4.6 KiB
YAML
---
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- name: Set default postgres_dump_dir, if not provided
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set_fact:
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postgres_dump_dir: "/tmp"
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when: "postgres_dump_dir|default('') == ''"
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- name: Set postgres_dump_name, if not provided
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set_fact:
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postgres_dump_name: "matrix-postgres.out"
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when: "postgres_dump_name|default('') == ''"
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- set_fact:
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postgres_auto_upgrade_backup_data_path: "{{ matrix_postgres_data_path }}-auto-upgrade-backup"
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- name: Fail, if trying to upgrade external Postgres database
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fail:
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msg: "Your configuration indicates that you're using an external Postgres database. Refusing to try and upgrade that."
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when: "matrix_postgres_use_external"
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- name: Check Postgres auto-upgrade backup data directory
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stat:
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path: "{{ postgres_auto_upgrade_backup_data_path }}"
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register: result_auto_upgrade_path
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- name: Abort, if existing Postgres auto-upgrade data path detected
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fail:
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msg: "Detected that a left-over {{ postgres_auto_upgrade_backup_data_path }} exists. You should rename it to {{ matrix_postgres_data_path }} if the previous upgrade went wrong, or delete it if it went well."
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when: "result_auto_upgrade_path.stat.exists"
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- name: Determine existing Postgres version (check PG_VERSION file)
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stat:
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path: "{{ matrix_postgres_data_path }}/PG_VERSION"
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register: result_pg_version_stat
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- name: Abort, if no existing Postgres version detected
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fail: msg="Could not find existing Postgres installation"
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when: "not result_pg_version_stat.stat.exists"
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- name: Determine existing Postgres version (read PG_VERSION file)
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slurp:
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src: "{{ matrix_postgres_data_path }}/PG_VERSION"
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register: result_pg_version
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- name: Determine existing Postgres version (default to empty)
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set_fact:
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pg_version: ""
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- name: Determine existing Postgres version (make sense of PG_VERSION file)
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set_fact:
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pg_version: "{{ result_pg_version['content']|b64decode|replace('\n', '') }}"
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- name: Determine Postgres version to use (default to latest)
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set_fact:
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docker_postgres_image_to_use: "{{ docker_postgres_image_latest }}"
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- name: Determine Postgres version to use (use 9.x, if detected)
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set_fact:
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docker_postgres_image_to_use: "{{ docker_postgres_image_v9 }}"
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when: "pg_version.startswith('9.')"
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- name: Abort, if already at latest Postgres version
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fail: msg="You are already running the latest Postgres version supported. Nothing to do"
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when: "docker_postgres_image_to_use == docker_postgres_image_latest"
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- name: Ensure matrix-synapse is stopped
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service: name=matrix-synapse state=stopped
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- name: Ensure matrix-postgres is started
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service: name=matrix-postgres state=started 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: 5
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delegate_to: 127.0.0.1
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become: false
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- name: Perform Postgres database dump
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command: |
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/usr/bin/docker run --rm --name matrix-postgres-dump \
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--link matrix-postgres:postgres \
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--env-file=/matrix/environment-variables/env-postgres-pgsql-docker \
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-v {{ postgres_dump_dir }}:/out \
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{{ docker_postgres_image_to_use }} pg_dump -h postgres {{ matrix_postgres_db_name }} -f /out/{{ postgres_dump_name }}
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- name: Ensure matrix-postgres is stopped
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service: name=matrix-postgres state=stopped
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- name: Rename existing Postgres data directory
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command: "mv {{ matrix_postgres_data_path }} {{ postgres_auto_upgrade_backup_data_path }}"
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- debug:
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msg: "NOTE: Your Postgres data directory has been moved from `{{ matrix_postgres_data_path }}` to `{{ postgres_auto_upgrade_backup_data_path }}`. In the event of failure, you can move it back and run the playbook with --tags=setup-postgres to restore operation."
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- include: tasks/setup_postgres.yml
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- name: Ensure matrix-postgres autoruns and is restarted
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service: name=matrix-postgres enabled=yes state=restarted 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: 5
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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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--link matrix-postgres:postgres \
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--env-file=/matrix/environment-variables/env-postgres-pgsql-docker \
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-v {{ postgres_dump_dir }}:/in:ro \
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{{ docker_postgres_image_to_use }} psql -h postgres -f /in/{{ postgres_dump_name }}
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- name: Delete Postgres database dump file
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file:
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path: "{{ postgres_dump_dir }}/{{ postgres_dump_name }}"
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state: absent
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- name: Ensure matrix-synapse is started
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service: name=matrix-synapse state=started daemon_reload=yes
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- debug:
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msg: "NOTE: Your old Postgres data directory is preserved at `{{ postgres_auto_upgrade_backup_data_path }}`. You might want to get rid of it once you've confirmed that all is well."
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