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43 lines
2.1 KiB
43 lines
2.1 KiB
---
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# This utility aims to determine if there is some existing Postgres version in use or not.
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# If there is, it also tries to detect the Docker image that corresponds to that version.
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- name: Initialize Postgres version determination variables (default to empty)
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set_fact:
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matrix_backup_borg_postgresql_detection_pg_version_path: "{{ matrix_postgres_data_path }}/PG_VERSION"
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matrix_backup_borg_postgresql_detected_existing: false
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matrix_backup_borg_postgresql_detected_version: ""
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matrix_backup_borg_version: ""
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- name: Determine existing Postgres version (check PG_VERSION file)
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stat:
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path: "{{ matrix_backup_borg_postgresql_detection_pg_version_path }}"
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register: result_pg_version_stat
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- set_fact:
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matrix_backup_borg_postgresql_detected_existing: true
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when: "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_backup_borg_postgresql_detection_pg_version_path }}"
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register: result_pg_version
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when: matrix_backup_borg_postgresql_detected_existing|bool
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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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matrix_backup_borg_postgresql_detected_version: "{{ result_pg_version['content']|b64decode|replace('\n', '') }}"
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when: matrix_backup_borg_postgresql_detected_existing|bool
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- name: Determine corresponding Docker image version to detected version
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set_fact:
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matrix_backup_borg_version: "{{ matrix_backup_borg_postgresql_detected_version }}"
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when: "matrix_backup_borg_postgresql_detected_version == '12' or matrix_backup_borg_postgresql_detected_version.startswith('12.') or matrix_backup_borg_postgresql_detected_version == '13' or matrix_backup_borg_postgresql_detected_version.startswith('13.') or matrix_backup_borg_postgresql_detected_version == '14' or matrix_backup_borg_postgresql_detected_version.startswith('14.')"
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- name: Fail if existing Postgres version is not supported by borgmatic docker image
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fail:
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msg: >-
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Your Postgres v{{ matrix_backup_borg_postgresql_detected_version }} is not supported.
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when: "matrix_backup_borg_version == ''"
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