set_stats在多个主机上无法按预期工作

Question

我使用工作流程，并希望将一些变量传递给下一个模板。我为此使用set_stats，但似乎它不是按主机传递值。

template1：​​

- name: set fact
      set_stats:
        data:
          infoblox:
            changed: false
            ipv4: "{{ host['ipv4addrs'][0]['ipv4addr'] }}"
      when: host_record.status is defined and host_record.status == 201

这出戏的输出看起来不错。每个主机都有一个不同的IP。

TASK [set fact] ****************************************************************
ok: [host1] => {"ansible_stats": {"aggregate": true, "data": {"infoblox": {"changed": false, "ipv4": "xxx.xxx.xxx.2"}}, "per_host": false}, "changed": false}
ok: [host2] => {"ansible_stats": {"aggregate": true, "data": {"infoblox": {"changed": false, "ipv4": "xxx.xxx.xxx.4"}}, "per_host": false}, "changed": false}
ok: [host3] => {"ansible_stats": {"aggregate": true, "data": {"infoblox": {"changed": false, "ipv4": "xxx.xxx.xxx.3"}}, "per_host": false}, "changed": false}

template2的输出，该输出在template1之后被调用。在这里您可以看到所有3台主机的IP都相同

TASK [debug] *******************************************************************
ok: [host1] => {
    "infoblox": {
        "changed": false, 
        "ipv4": "xxx.xxx.xxx.3"
    }
}
ok: [host2] => {
    "infoblox": {
        "changed": false, 
        "ipv4": "xxx.xxx.xxx.3"
    }
}
ok: [host3] => {
    "infoblox": {
        "changed": false, 
        "ipv4": "xxx.xxx.xxx.3"
    }
}

然后，我尝试在per_host: true中使用set_stats选项，但是由于某种原因，不再设置该变量。我一定做错了事

TASK [debug] *******************************************************************
ok: [host1] => {
    "infoblox": "VARIABLE IS NOT DEFINED!"
}
ok: [host2] => {
    "infoblox": "VARIABLE IS NOT DEFINED!"
}
ok: [host3] => {
    "infoblox": "VARIABLE IS NOT DEFINED!"
}