add Ubuntu 20.04 support

README.md

@@ -3,6 +3,7 @@ Setup standalone PostgreSQL
 Tested with OS:
   - AlmaLinux 8/9
   - Debian 11
+  - Ubuntu 20.04
 
 Supported PostgreSQL versions:
   - 13

tasks/Debian/config.yaml

@@ -1,4 +1,11 @@
 ---
+- name: Create data directory
+  file:
+    path: "{{ postgresql_data_dir }}"
+    owner: "postgres"
+    group: "postgres"
+    state: directory
+
 - name: Merge user options for PostgreSQL config
   set_fact:
     postgresql_combined_parameters: "{{ postgresql_default_parameters | combine(postgresql_custom_parameters|default({}), recursive=true) }}"

tasks/main.yaml

@@ -7,7 +7,9 @@
     params:
       files:
         - "{{ ansible_facts['distribution'] }}-{{ ansible_facts['distribution_major_version'] }}.yaml"
+        - "{{ ansible_facts['distribution'] }}-{{ ansible_facts['distribution_version'] }}.yaml"
         - "{{ ansible_facts['os_family'] }}-{{ ansible_facts['distribution_major_version'] }}.yaml"
+        - "{{ ansible_facts['os_family'] }}-{{ ansible_facts['distribution_version'] }}.yaml"
       paths:
         - "vars"
   tags: postgresql_vars

tasks/restore.yaml

@@ -34,6 +34,7 @@
     
     - name: Include PostgreSQL configuration
       vars:
+        postgresql_archive_command: "cd ."
         postgresql_restore_command: "{{ postgresql_wal_g_binary_name ~ ' --config ' ~ postgresql_home_dir ~ '/' ~ postgresql_wal_g_restore_config_name ~ ' wal-fetch %f %p' }}"
       include_tasks: config.yaml
     

vars/Ubuntu-20.04.yaml

@@ -0,0 +1,24 @@
+postgresql_apt_key: 
+  - name: org.postgresql.gpg
+    url: "https://www.postgresql.org/media/keys/ACCC4CF8.asc"
+    keyring: /etc/apt/trusted.gpg.d/org.postgresql.gpg
+postgresql_apt_repository:
+  - repo: deb http://apt.postgresql.org/pub/repos/apt {{ ansible_distribution_release }}-pgdg main
+    filename: postgresql
+
+postgresql_deps_packages:
+  - gnupg
+  - python3-psycopg2
+
+postgresql_package_name: "postgresql-{{ postgresql_major_version }}"
+postgresql_package: "{{ postgresql_package_name }}={{ postgresql_version }}-{{ postgresql_version_build }}"
+postgresql_version_build: "1.pgdg20.04+1"
+postgresql_config_dir: "/etc/postgresql"
+postgresql_home_dir: "/var/lib/postgresql"
+postgresql_data_dir: "{{ postgresql_home_dir }}/{{ postgresql_major_version }}/{{ postgresql_cluster_name }}"
+postgresql_ssl_path: "{{ postgresql_config_dir }}/{{ postgresql_major_version }}/{{ postgresql_cluster_name }}"
+postgresql_package_name_regex: "{{ postgresql_package_name }}-{{ postgresql_version }}-{{ postgresql_version_build }}"
+postgresql_cluster_name: "main"
+postgresql_ssl_update_ca_command: "update-ca-certificates --fresh"
+postgresql_ssl_ca_trust_dir: "/usr/local/share/ca-certificates"
+postgresql_unit_name: "postgresql@{{ postgresql_major_version}}-{{ postgresql_cluster_name }}"