---
## Configures dhclient to use the MAC address of the system instead of Client ID, removes all previous leases, and restarts the networking service.

- hosts: all
  gather_facts: yes
  become: yes

  tasks:
  - name: Configure dhclient to use the MAC address of the system instead of Client ID.
    blockinfile:
      state: present
      insertafter: EOF
      dest: /etc/dhcp/dhclient.conf
      marker: "# Changed by ansible playbook: Use MAC address instead of DHCP Client ID"
      content: |
        send dhcp-client-identifier = hardware;
  - name: Remove any dhclient leases in /var/lib/dhcp.
    shell:
      cmd: rm /var/lib/dhcp/*
      removes: /var/lib/dhcp/*
  - name: Restart networking service.
    service:
      name: networking
      state: restarted