lab-ansible/roles/common/templates/etc/hosts.j2

# code: language=ansible-jinja
127.0.0.1 localhost
{{ ansible_host }} {{ fqdn }}

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

{% if hostname in groups['virtualservers'] %}
# Static hostnames for other VMs
{% for host in groups['virtualservers'] %}
{{ hostvars[host].internal_ipv4 }} {{ hostvars[host].fqdn }}
{% endfor %}
{% elif hostname in groups['control_infra'] %}
# Static hostnames for VM hosts
{% for host in groups['vmhost_infra'] %}
{{ hostvars[host].ansible_host }} {{ hostvars[host].fqdn }}
{% endfor %}

# Static hostnames for VMs
{% for host in groups['virtualservers'] %}
{{ hostvars[host].ansible_host }} {{ hostvars[host].fqdn }}
{% endfor %}
{% endif %}