# Disables DNS lookup in the overcloud sshd config file. Speeds up operations in environments with slow dns servers hugely.
---

- name: Disable DNS resolution in Overcloud sshd config
  lineinfile:
      dest: /etc/ssh/sshd_config
      line: "UseDNS no"
      state: present
      insertbefore: BOF
  when: disable_ssh_dns
  become: true
  become_user: root

- name: Restart sshd service
  service: name=sshd state=restarted
  when: disable_ssh_dns
  become: true
  become_user: root