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113 lines
4.7 KiB
113 lines
4.7 KiB
---
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#
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# Tasks related to setting up postgres backup
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#
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- ansible.builtin.import_role:
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name: matrix-postgres
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tasks_from: detect_existing_postgres_version
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when: 'matrix_postgres_backup_enabled | bool and matrix_postgres_backup_postgres_data_path != ""'
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# If we have found an existing version (installed from before), we use its corresponding Docker image.
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# If not, we install using the latest Postgres.
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#
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# Upgrading is supposed to be performed separately and explicitly (see `upgrade_postgres.yml`).
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- ansible.builtin.set_fact:
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matrix_postgres_backup_docker_image_to_use: "{{ matrix_postgres_backup_docker_image_latest if matrix_postgres_backup_detected_version_corresponding_docker_image | default('') == '' else matrix_postgres_backup_detected_version_corresponding_docker_image }}"
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when: matrix_postgres_backup_enabled | bool
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- name: Ensure postgres backup Docker image is pulled
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docker_image:
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name: "{{ matrix_postgres_backup_docker_image_to_use }}"
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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_postgres_backup_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_postgres_backup_docker_image_force_pull }}"
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when: matrix_postgres_backup_enabled | bool
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register: result
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retries: "{{ matrix_container_retries_count }}"
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delay: "{{ matrix_container_retries_delay }}"
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until: result is not failed
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- name: Ensure Postgres backup paths exist
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ansible.builtin.file:
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path: "{{ item }}"
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state: directory
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mode: 0700
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owner: "{{ matrix_user_username }}"
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group: "{{ matrix_user_groupname }}"
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with_items:
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- "{{ matrix_postgres_backup_path }}"
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when: matrix_postgres_backup_enabled | bool
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- name: Ensure Postgres environment variables file created
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ansible.builtin.template:
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src: "{{ role_path }}/templates/{{ item }}.j2"
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dest: "{{ matrix_postgres_backup_path }}/{{ item }}"
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owner: "{{ matrix_user_username }}"
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group: "{{ matrix_user_groupname }}"
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mode: 0640
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with_items:
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- "env-postgres-backup"
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when: matrix_postgres_backup_enabled | bool
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- name: Ensure matrix-postgres-backup.service installed
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ansible.builtin.template:
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src: "{{ role_path }}/templates/systemd/matrix-postgres-backup.service.j2"
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dest: "{{ matrix_systemd_path }}/matrix-postgres-backup.service"
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mode: 0644
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register: matrix_postgres_backup_systemd_service_result
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when: matrix_postgres_backup_enabled | bool
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- name: Ensure systemd reloaded after matrix-postgres-backup.service installation
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ansible.builtin.service:
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daemon_reload: true
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when: "matrix_postgres_backup_enabled | bool and matrix_postgres_backup_systemd_service_result.changed"
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#
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# Tasks related to getting rid of postgres backup (if it was previously enabled)
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#
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- name: Check existence of matrix-postgres-backup service
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ansible.builtin.stat:
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path: "{{ matrix_systemd_path }}/matrix-postgres-backup.service"
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register: matrix_postgres_backup_service_stat
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when: "not matrix_postgres_backup_enabled | bool"
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- name: Ensure matrix-postgres-backup is stopped
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ansible.builtin.service:
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name: matrix-postgres-backup
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state: stopped
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enabled: false
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daemon_reload: true
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when: "not matrix_postgres_backup_enabled | bool and matrix_postgres_backup_service_stat.stat.exists"
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- name: Ensure matrix-postgres-backup.service doesn't exist
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ansible.builtin.file:
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path: "{{ matrix_systemd_path }}/matrix-postgres-backup.service"
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state: absent
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when: "not matrix_postgres_backup_enabled | bool and matrix_postgres_backup_service_stat.stat.exists"
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- name: Ensure systemd reloaded after matrix-postgres-backup.service removal
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ansible.builtin.service:
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daemon_reload: true
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when: "not matrix_postgres_backup_enabled | bool and matrix_postgres_backup_service_stat.stat.exists"
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- name: Check existence of matrix-postgres-backup backup path
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ansible.builtin.stat:
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path: "{{ matrix_postgres_backup_path }}"
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register: matrix_postgres_backup_path_stat
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when: "not matrix_postgres_backup_enabled | bool"
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# We just want to notify the user. Deleting data is too destructive.
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- name: Inject warning if matrix-postgres backup data remains
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ansible.builtin.set_fact:
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matrix_playbook_runtime_results: |
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{{
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matrix_playbook_runtime_results | default([])
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+
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[
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"NOTE: You are not using the local backup service to backup the PostgreSQL database, but some old data remains from before in `{{ matrix_postgres_backup_path }}`. Feel free to delete it."
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]
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}}
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when: "not matrix_postgres_backup_enabled | bool and matrix_postgres_backup_path_stat.stat.exists"
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