yaml - 如何在同一任务中展开多个列表

Question

我有一种情况，我有两个不同的变量，我想在一个命令中引用它们:

例如，我期望以下输出:

list 1
  item a
  item b
list 2
  another item from different var 10

-name : Run a module which executes a command on a host eg. via ssh
command:
  host: {{ device_ip }}
  cmd_str: 
   - 'list 1 '
    - '  {{ item item[0].name }}'
   - 'list 2 '
    - '  {{ another item from different var item[1].id }}'
  with_items:
   - {{ var1 }}
   - {{ var2 }}

var1:
   - { name:a, address:test }
   - { name:b, address:test2 }

var2:
   - { name:x, id:10 }

我写什么而不是 "with_items"完成这项工作？

问题是我如何在同一个地方扩展两个不同的变量而不必迭代整个命令(如果我将 with_items 移动到与模块调用相同的缩进级别，这是可行的)

Answer 1

我无法理解您真正想要做什么，但以下剧本演示了:

使用 dict

在单个项目中传递多个变量

使用 Jinja2 模板迭代每个 var

剧本.yml:

---
- hosts: all
  gather_facts: no
  vars:
    var1:
      - { name: a, address: test }
      - { name: b, address: test2 }
    var2:
      - { name: x, id: 10 }
  tasks:
    - debug:
        msg: |
          list 1
          {% for x in item.1 %}
            item {{x.name}}
          {% endfor %}
          list 2
          {% for x in item.2 %}
            another item from different var {{x.id}}
          {% endfor %}
      with_items:
        - { 1: "{{var1}}", 2: "{{var2}}" }
    - shell: |
        >/tmp/output.txt # truncate file
        {% for x in item.1 %}
        echo item {{x.name}} >>/tmp/output.txt
        {% endfor %}
        {% for x in item.2 %}
        echo another item from different var {{x.id}} >>/tmp/output.txt
        {% endfor %}
      with_items:
        - { 1: "{{var1}}", 2: "{{var2}}" }

示例 session :

$ ansible-playbook -i localhost, playbook.yml 

PLAY [all] ******************************************************************** 

TASK: [debug ] **************************************************************** 
ok: [localhost] => (item={1: [{'name': 'a', 'address': 'test'}, {'name': 'b', 'address': 'test2'}], 2: [{'name': 'x', 'id': 10}]}) => {
    "item": {
        "1": [
            {
                "address": "test", 
                "name": "a"
            }, 
            {
                "address": "test2", 
                "name": "b"
            }
        ], 
        "2": [
            {
                "id": 10, 
                "name": "x"
            }
        ]
    }, 
    "msg": "list 1\n  item a\n  item b\nlist 2\n  another item from different var 10\n"
}

TASK: [shell >/tmp/output.txt # truncate file
{% for x in item.1 %}
echo item {{x.name}} >>/tmp/output.txt
{% endfor %}
{% for x in item.2 %}
echo another item from different var {{x.id}} >>/tmp/output.txt
{% endfor %}
] *** 
changed: [localhost] => (item={1: [{'name': 'a', 'address': 'test'}, {'name': 'b', 'address': 'test2'}], 2: [{'name': 'x', 'id': 10}]})

PLAY RECAP ******************************************************************** 
localhost                  : ok=2    changed=1    unreachable=0    failed=0   

msg 中显示的输出来自 debug模块:

list 1
  item a
  item b
list 2
  another item from different var 10

输出 /tmp/output.txt来自 shell模块:

item a
item b
another item from different var 10