a7f791f8f9
We've had that logic in 2 places so far, leading to duplication and a maintenance burden. In the future, we'll also have an import-postgres feature, which will also need Postgres version detection, leading to more benefit from that logic being reusable.
46 lines
2 KiB
YAML
46 lines
2 KiB
YAML
---
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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_postgres_detection_pg_version_path: "{{ matrix_postgres_data_path }}/PG_VERSION"
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matrix_postgres_detected_existing: false
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matrix_postgres_detected_version: ""
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matrix_postgres_detected_version_corresponding_docker_image: ""
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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_detection_pg_version_path }}"
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register: result_pg_version_stat
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- set_fact:
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matrix_postgres_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_postgres_detection_pg_version_path }}"
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register: result_pg_version
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when: "matrix_postgres_detected_existing"
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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_postgres_detected_version: "{{ result_pg_version['content']|b64decode|replace('\n', '') }}"
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when: "matrix_postgres_detected_existing"
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- name: Determine corresponding Docker image to detected version (assume default of latest)
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set_fact:
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matrix_postgres_detected_version_corresponding_docker_image: "{{ matrix_postgres_docker_image_latest }}"
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when: "matrix_postgres_detected_version != ''"
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- name: Determine corresponding Docker image to detected version (use 9.x, if detected)
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set_fact:
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matrix_postgres_detected_version_corresponding_docker_image: "{{ matrix_postgres_docker_image_v9 }}"
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when: "matrix_postgres_detected_version.startswith('9.')"
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- name: Determine corresponding Docker image to detected version (use 10.x, if detected)
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set_fact:
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matrix_postgres_detected_version_corresponding_docker_image: "{{ matrix_postgres_docker_image_v10 }}"
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when: "matrix_postgres_detected_version == '10' or matrix_postgres_detected_version.startswith('10.')" |