v3

roles/demolamp/tasks/precheck.yml

@@ -0,0 +1,36 @@
+---
+# tasks file for Redis-HA (Prechecking inputs and packages for all nodes)
+
+- name: Check inputs
+  ansible.builtin.fail: msg="Missing ansTagVer, ansAction or ansENV."
+  when: ansTagVer is undefined or ansAction is undefined or ansENV is undefined
+  
+- name: Check and intall Python 3
+  ansible.builtin.yum:
+    name: python3
+    state: present
+  when: ansible_os_family == 'RedHat' or ansible_os_family == 'Rocky'
+  register: py3_result
+  
+- name: Set python_interpreter to 3 if Python 3 installed
+  ansible.builtin.set_fact:
+    ansible_python_interpreter: /usr/bin/python3
+  when: py3_result.rc == 0
+  
+- name: Check and install Python's SDK
+  ansible.builtin.pip:
+    name:
+      - docker==5.0.3
+      - jsondiff==1.3.0
+      - pyyaml==6.0
+      - docker-compose==1.29.2
+    executable: pip3
+  when: py3_result.rc == 0
+  
+- name: Set Kernel parameter - vm.overcommit_memory to 1
+  ansible.posix.sysctl:
+    name: vm.overcommit_memory
+    value: '1'
+    sysctl_set: yes
+    state: present
+    reload: yes