ansible
確認 [#g70d4113]
# ansible-playbook -i host.file playbook/hoge.yml --list-host
playbook: playbook/hoge.yml
play #1 (all): host count=3
192.168.1.10
192.168.1.11
192.168.1.12
限定 [#w5d15b54]
# ansible-playbook -i host.file playbook/hoge.yml -l 192.168.1.10 --list-host
playbook: playbook/hoge.yml
play #1 (all): host count=1
192.168.1.10
-l の後にIPアドレスでもhost.fileで指定したグループ名でもOK