我正在观看Ansible的教程,我必须部署一个剧本。游戏书代码如下:
- name:"Do a demo"
hosts:groupA
tasks:!!seq
- name:demo task 1
debug:!!seq
msg:"this is task 1"
- name:demo task 2
debug:!!seq
msg:"this is task 2"
- name:"Do another demo"
hosts:groupB
tasks:!!seq
- name:demo task 3
debug:!!seq
msg:"this is task 3"
- name:demo task 4
debug:!!seq
msg:"this is task 4"
当我尝试使用ansible-playbook -i hosts demoplays.yaml
命令部署上述剧本时,出现了错误: -
ERROR! playbook entries must be either a valid play or an include statement
The error appears to have been in '/home/user/demoplays.yaml': line 1, column 3, but may
be elsewhere in the file depending on the exact syntax problem.
The offending line appears to be:
- name:"Do a demo"
^ here
起初我认为是yaml语法错误,但是YAML linter验证它是正确的。我在我的基本OS Loki系统上使用ansible 2.7.10。我刚刚开始学习Ansible和YAML,并没有发现任何暗示为什么会发生错误!
你的YAML相当于:
[
"name:\"Do a demo\" hosts:groupA\ntasks:!!seq - name:demo task 1 debug:!!seq msg:\"this is task 1\"\n- name:demo task 2 debug:!!seq msg:\"this is task 2\"",
"name:\"Do another demo\" hosts:groupB\ntasks:!!seq - name:demo task 3 debug:!!seq msg:\"this is task 3\"\n- name:demo task 4 debug:!!seq msg:\"this is task 4\""
]
这可能不是你想要的。尝试更改此项,以便YAML中根级别序列的项成为映射:
- name: "Do a demo"
hosts: groupA
tasks: !!seq
- name: demo task 1
debug: !!seq
msg: "this is task 1"
- name: demo task 2
debug: !!seq
msg: "this is task 2"
- name: "Do another demo"
hosts: groupB
tasks: !!seq
- name: demo task 3
debug: !!seq
msg: "this is task 3"
- name: demo task 4
debug: !!seq
msg: "this is task 4"
请注意,我不仅在冒号后添加了一个空格使其成为一个值指示器,我还缩进了msg: "this is task 3"
以确认其他msg
键。