[adm]
adm01.home.foo.sh

[mirror]
mirror01.home.foo.sh

[collab]
collab01.home.foo.sh

[git]
git02.home.foo.sh

[gw]
gw01.home.foo.sh

[ldap]
ldap01.home.foo.sh
ldap02.home.foo.sh

[log]
log01.home.foo.sh

[ns]
ns02.home.foo.sh

[proxy]
proxy01.home.foo.sh
proxy02.home.foo.sh

[vmhost]
vmhost02.home.foo.sh

[centos8:children]
adm
vmhost

[centos7:children]
git
ldap
mirror
collab

[openbsd:children]
gw
log
ns
proxy