ansible inventory .yaml 작성법

ansible 디폴트 인벤토리 파일 지정 - 같은경로의 study.yaml, common.yaml 파일 참조
sudo vi /etc/ansible/ansible.cfg
[defaults]
inventory =./study.yaml, common.yaml
:wq!

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yaml 파일 작성 방법(들여쓰기 중요)
all:
  hosts:    - 미지정그룹
    1.1.1.1
  children:    - 지정그룹
    test1:    - 그룹명(test1)
      hosts:    - test1그룹의 호스트
        jumper1:    - 호스트중 하나의 별칭(jumper1)
          ansible_port: 22222      - jumper1의 ssh접속포트(기본포트22면 불필요)
          ansible_host: 192.168.72.132    - jumper1의 주소
        jumper2:
          ansible_port: 22222
          ansible_host: 192.168.72.133
  vars:    - 모든서버에서사용할수있는변수
    global_vars: "server_name"

또는

all:
  children:
    dbservers:    - 그룹명
      hosts:
        dbservers-host:    - 그룹명-호스트
      vars:    - dbservers 그룹에서 사용할 변수
        db_id: "helen"
        db_passwd: "helen1!"