小编Jer*_*wan的帖子

我正在尝试编写一个 go 模板来提取负载均衡器的值。使用--go-template={{status.loadBalancer.ingress}}返回[map[hostname:GUID.us-west-2.elb.amazonaws.com]]%当我添加.hostname到模板时，我收到一条错误消息：“无法评估类型接口 {} 中的字段主机名”。我尝试过使用range关键字，但我似乎无法正确理解语法。

{
    "apiVersion": "v1",
    "kind": "Service",
    "metadata": {
        "creationTimestamp": "2018-07-30T17:22:12Z",
        "labels": {
            "run": "nginx"
        },
        "name": "nginx-http",
        "namespace": "jx",
        "resourceVersion": "495789",
        "selfLink": "/api/v1/namespaces/jx/services/nginx-http",
        "uid": "18aea6e2-941d-11e8-9c8a-0aae2cf24842"
    },
    "spec": {
        "clusterIP": "10.100.92.49",
        "externalTrafficPolicy": "Cluster",
        "ports": [
            {
                "nodePort": 31032,
                "port": 80,
                "protocol": "TCP",
                "targetPort": 8080
            }
        ],
        "selector": {
            "run": "nginx"
        },
        "sessionAffinity": "None",
        "type": "LoadBalancer"
    },
    "status": {
        "loadBalancer": {
            "ingress": [
                {
                    "hostname": "GUID.us-west-2.elb.amazonaws.com"
                }
            ]
        }
    } …