Ansible json_query 过滤字典列表中的数据

Question

我有一个 Ansible 任务，它根据特定条件收集用户数据并将输出注册到变量中，并尝试在下一个任务中迭代注册的数据以仅获取 name 参数。

{
    "registered_data": {
        "changed": false,
        "msg": "All items completed",
        "results": [
          {
            "ansible_loop_var": "item",
            "changed": false,
            "failed": false,
            "data_details": [
              {
                "name": "John",
                "street": "SanFisco"
              },
              {
                "name": "Dan",
                "street": "Califor"
              },
              {
                "name": "Jack",
                "street": "NY"
              },
              {
                "name": "Wills",
                "street": "NJ"
              }
            ],
            "invocation": {
              "module_args": {
                "sort_by": null,
                "sort_order": null
                }
            },
            "item": {
              "status": "READY"
            }
          },
          {
            "ansible_loop_var": "item",
            "changed": false,
            "failed": false,
            "data_details": [],
            "invocation": {
              "module_args": {
                "sort_by": null,
                "sort_order": null
              }
            },
            "item": {
              "status": "READY"
            }
          },
          {
            "ansible_loop_var": "item",
            "changed": false,
            "failed": false,
            "data_details": [],
            "invocation": {
              "module_args": {
                "sort_by": null,
                "sort_order": null
              }
            },
            "item": {
              "status": "READY"
            }
          }
        ]
      }
}

我正在尝试使用以下 ansible 任务来解析和过滤不返回任何输出的数据。

- name: 'printing data'
  delegate_to: 'localhost'
  when: item
  loop: "{{ registered_data |json_query(projection_query) }}"
  debug:
    msg: "{{ item }}"
  vars:
    projection_query: "results.[*].name"

Answer 1

下面的任务

    - debug:
        msg: "{{ registered_data.results|json_query(query) }}"
      vars:
        query: "[].data_details[].name"

给予

  msg:
  - John
  - Dan
  - Jack
  - Wills