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---
#
# Tasks related to setting up an internal postgres server
#
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- ansible.builtin.import_tasks : "{{ role_path }}/tasks/util/detect_existing_postgres_version.yml"
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.
# If not, we install using the latest Postgres.
#
# 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 }}"
when : matrix_postgres_backup_enabled | bool
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- name : Ensure postgres backup Docker image is pulled
docker_image :
name : "{{ matrix_postgres_backup_docker_image_to_use }}"
source : "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
force_source : "{{ matrix_postgres_backup_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
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
retries : "{{ matrix_container_retries_count }}"
delay : "{{ matrix_container_retries_delay }}"
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 }}"
state : directory
mode : 0700
owner : "{{ matrix_user_username }}"
group : "{{ matrix_user_groupname }}"
with_items :
- "{{ 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"
dest : "{{ matrix_postgres_backup_path }}/{{ item }}"
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owner : "{{ matrix_user_username }}"
group : "{{ matrix_user_groupname }}"
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mode : 0640
with_items :
- "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"
dest : "{{ matrix_systemd_path }}/matrix-postgres-backup.service"
mode : 0644
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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#
# Tasks related to getting rid of the internal postgres backup server (if it was previously enabled)
#
- 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"
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
state : stopped
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enabled : false
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"
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 }}"
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.
- 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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matrix_playbook_runtime_results | default([])
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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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when : "not matrix_postgres_backup_enabled | bool and matrix_postgres_backup_path_stat.stat.exists"