Host 0.0.0.0
  IdentityFile ~/.ssh/{{ name_of_ssh_key }}
  StrictHostKeyChecking no

  Host localhost
  IdentityFile ~/.ssh/{{ name_of_ssh_key }}
  StrictHostKeyChecking no

{% for host in groups['all'] %}
  Host {{ hostvars[host].ansible_hostname }}
  #User ubuntu
  IdentityFile ~/.ssh/{{ name_of_ssh_key }}
  StrictHostKeyChecking no

{% endfor %}