add ability to set some variables without manually edit vars file

automation/vars/Debian.yml

@@ -7,7 +7,7 @@ postgresql_data_dir: "\
   {% if cloud_provider | default('') | length > 0 %}\
     {{ pg_data_mount_path | default('/pgdata') }}/{{ postgresql_version }}/{{ postgresql_cluster_name }}\
   {% else %}\
-    /var/lib/postgresql/{{ postgresql_version }}/{{ postgresql_cluster_name }}\
+    {{ env_postgresql_data_dir | default('/var/lib/postgresql/' ~ postgresql_version ~ '/' ~ postgresql_cluster_name) }}\
   {% endif %}"
 # Note: When deploying to cloud providers, we create a disk and mount the data directory,
 # along the path defined in the 'pg_data_mount_path' variable (or use '/pgdata' by default).

automation/vars/RedHat.yml

@@ -7,7 +7,7 @@ postgresql_data_dir: "\
   {% if cloud_provider | default('') | length > 0 %}\
     {{ pg_data_mount_path | default('/pgdata') }}/{{ postgresql_version }}/data\
   {% else %}\
-    /var/lib/pgsql/{{ postgresql_version }}/data\
+    {{ env_postgresql_data_dir | default('/var/lib/pgsql/' ~ postgresql_version ~ '/data') }}\
   {% endif %}"
 # Note: When deploying to cloud providers, we create a disk and mount the data directory,
 # along the path defined in the 'pg_data_mount_path' variable (or use '/pgdata' by default).

automation/vars/main.yml

@@ -7,7 +7,7 @@ proxy_env: {}  # yamllint disable rule:braces
 # ---------------------------------------------------------------------
 
 # Cluster variables
-cluster_vip: ""  # IP address for client access to the databases in the cluster (optional).
+cluster_vip: "{{ env_cluster_vip | default('') }}"  # IP address for client access to the databases in the cluster (optional).
 vip_interface: "{{ ansible_default_ipv4.interface }}"  # interface name (e.g., "ens32").
 # Note: VIP-based solutions such as keepalived or vip-manager may not function correctly in cloud environments.
 
@@ -23,7 +23,7 @@ synchronous_mode_strict: false  # if 'true' then block all client writes to the
 synchronous_node_count: 1  # number of synchronous standby databases
 
 # Load Balancing
-with_haproxy_load_balancing: false  # or 'true' if you want to install and configure the load-balancing
+with_haproxy_load_balancing: "{{ env_with_haproxy_load_balancing | default(false) }}"  # or 'true' if you want to install and configure the load-balancing
 haproxy_listen_port:
   master: 5000
   replicas: 5001
@@ -173,7 +173,7 @@ consul_services:
 
 
 # PostgreSQL variables
-postgresql_version: 17
+postgresql_version: "{{ env_postgresql_version | default('17') }}"
 # postgresql_data_dir: see vars/Debian.yml or vars/RedHat.yml
 postgresql_listen_addr: "0.0.0.0" # Listen on all interfaces. Or use "{{ inventory_hostname }},127.0.0.1" to listen on a specific IP address.
 postgresql_port: 5432

meta/main.yml

@@ -0,0 +1,33 @@
+---
+galaxy_info:
+  role_name: postgresql_cluster
+  description: PostgreSQL High-Availability Cluster (based on Patroni)
+  namespace: vitabaks
+  author: Vitaliy Kukharik (vitabaks@gmail.com)
+  license: MIT
+
+  min_ansible_version: "2.11.0"
+
+  platforms:
+    - name: EL
+      versions:
+        - "7"
+        - "8"
+        - "9"
+    - name: Debian
+      versions:
+        - buster
+        - bullseye
+    - name: Ubuntu
+      versions:
+        - bionic
+        - focal
+        - jammy
+
+  galaxy_tags:
+    - postgresql
+    - cluster
+    - patroni
+    - etcd
+
+dependencies: []

meta/runtime.yml

@@ -0,0 +1,2 @@
+---
+requires_ansible: '>=2.14.0'