- name: Check prefix
  fail:
    msg: "The prefix '{{ group_names[0] }}' is invalid. It must consist only of the lowercase characters a-z and digits 0-9, and must be between 3 and 5 characters long."
  when: group_names[0] | length < 3 or group_names[0] | length > 5 or group_names[0] is not match("^[a-z0-9]+$")

- name: Check chain names
  fail:
    msg: "The chain '{{ item }}' is invalid. It must consist only of the lowercase characters a-z and digits 0-9, and must not more than 5 characters long."
  when: chain | length > 5 or chain is not match("^[a-z0-9]+$")

- name: Check if terraform is installed
  command: "{{ terraform_location }} --version"
  register: terraform_status
  changed_when: false

- name: Check if python is installed
  command: "{{ ansible_python_interpreter }} --version"
  changed_when: false

- name: Python check result
  fail:
    msg: "Python is too old. Please install python version 2.6 or higher"
  when:  python_int_version | int < 260
  vars:
    python_int_version: "{{ ansible_python_version.split('.')[0]|int * 100 + ansible_python_version.split('.')[1]|int * 10 + ansible_python_version.split('.')[2]|int  }}" 

- name: Check if all required modules is installed
  command: "{{ ansible_python_interpreter }} -c 'import {{ item }}'"
  with_items:
    - boto
    - boto3
    - botocore
  changed_when: false