databases/roles/postgresql/tasks/main.yml

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---
- name: Ensure state is valid
ansible.builtin.fail:
msg: >-2
Invalid state '{{ postgresql_state }}'! Supported
states are {{ postgresql_states | join(', ') }}.
when: postgresql_state not in postgresql_states
- name: Ensure deployment method is valid
ansible.builtin.fail:
msg: >-2
Unsupported deployment method '{{ postgresql_deployment_method }}!
Supported deployment methods are {{ postgresql_deployment_methods | join(', ') }}.
when: postgresql_deployment_method not in postgresql_deployment_methods
- name: Ensure postgresql user '{{ postgresql_user }}' is {{ postgresql_state }}
ansible.builtin.user:
name: "{{ postgresql_user }}"
state: "{{ postgresql_state }}"
system: "{{ postgresql_user_system | default(omit, true) }}"
create_home: "{{ postgresql_user_create_home | default(omit, true) }}"
groups: "{{ postgresql_user_groups | default(omit, true) }}"
append: "{{ postgresql_user_append | default(omit, true) }}"
register: postgresql_user_info
- name: Ensure directories are {{ postgresql_state }}
ansible.builtin.file:
path: "{{ path.name }}"
state: "{{ (postgresql_state == 'present') | ternary('directory', 'absent') }}"
owner: "{{ path.owner | default(postgresql_user_id, true) }}"
group: "{{ path.group | default(postgresql_user_group_id, true) }}"
mode: "{{ path.mode | default('0755', true) }}"
loop:
- name: "{{ postgresql_config_path }}"
- name: "{{ postgresql_data_path }}"
loop_control:
loop_var: path
label: "{{ path.name }}"
- name: Check for existing PG_VERSION file
ansible.builtin.stat:
path: "{{ postgresql_data_path }}/PG_VERSION"
register: postgresql_data_dir_version_info
- name: Read existing PG_VERSION file
ansible.builtin.slurp:
path: "{{ postgresql_data_path }}/PG_VERSION"
register: postgresql_data_dir_version_content
when:
- postgresql_data_dir_version_info.stat.exists
- name: Prevent major version changes
ansible.builtin.fail:
msg: >-2
Mismatched postgresql version for the data directory!
Aborting...
when:
- postgresql_data_dir_version_info.stat.exists
- "(postgresql_data_dir_version_content | b64decode | int) != (postgresql_major_version | int)"
- name: Deploy postgresql using {{ postgresql_deployment_method }}
ansible.builtin.include_tasks:
file: "deploy-{{ postgresql_deployment_method }}.yml"