- name: Add IP address 
    lineinfile:
      dest: /etc/hosts
      line: "{{ hostvars[item]['ansible_host'] }} {{ hostvars[item][0] }}"
      state: present
    with_items: groups['ch']

fatal: [ch1]: FAILED! => {"msg": "The task includes an option with an undefined variable. The error was: \"hostvars['groups['ch']']\" is undefined\n\nThe error appears to be in '/mnt/c/Users/elessar/rebrain/playbooks/ch/ch_play.yml': line 115, column 5, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n  - name: Add IP address of all hosts to all hosts\n    ^ here\n"}

- name: Update configuration temp router

  #  hosts: temp

  gather_facts: false

  vars_prompt:

    - name: sitename
      prompt: input name for new site
      private: no
      default: site_name

    - name: MKnum
      prompt: input number for this mikrotik on this site (by default 1)
      private: no
      default: 1

    - name: Ovpn_password
      prompt: input password for this Mikrotik
      private: yes
       
  hosts: vpn

  tasks:

      - name: Create password
        ansible.builtin.lineinfile:
          path: /etc/ansible/tmp/pwdtest
          line: {{sitename}}_MK{{Mknum}} {{Ovpn_password}}
          #sta