本文说明如何使用 HTTP 代理访问 Kubernetes API。
您必须拥有一个 Kubernetes 集群,并且必须使用 kubectl 命令行工具与你的集群进行通信。如果您还没有一个集群,您可以通过 Minikube 创建一个集群,或者使用这些 Kubernetes playground :
To check the version, enter kubectl version
.
如果您的集群中还没有任何应用,使用如下命令启动一个 Hello World 应用:
kubectl run node-hello –image=gcr.io/google-samples/node-hello:1.0 –port=8080
使用如下命令启动 Kubernetes API 服务器的代理:
kubectl proxy --port=8080
当代理服务器在运行时,你可以通过 curl
、wget
或者浏览器访问 API。
获取 API 版本:
curl http://localhost:8080/api/
{
"kind": "APIVersions",
"versions": [
"v1"
],
"serverAddressByClientCIDRs": [
{
"clientCIDR": "0.0.0.0/0",
"serverAddress": "10.0.2.15:8443"
}
]
}
获取 Pod 列表:
curl http://localhost:8080/api/v1/namespaces/default/pods
{
"kind": "PodList",
"apiVersion": "v1",
"metadata": {
"selfLink": "/api/v1/namespaces/default/pods",
"resourceVersion": "33074"
},
"items": [
{
"metadata": {
"name": "kubernetes-bootcamp-2321272333-ix8pt",
"generateName": "kubernetes-bootcamp-2321272333-",
"namespace": "default",
"selfLink": "/api/v1/namespaces/default/pods/kubernetes-bootcamp-2321272333-ix8pt",
"uid": "ba21457c-6b1d-11e6-85f7-1ef9f1dab92b",
"resourceVersion": "33003",
"creationTimestamp": "2016-08-25T23:43:30Z",
"labels": {
"pod-template-hash": "2321272333",
"run": "kubernetes-bootcamp"
},
...
}
想了解更多信息,请参阅 kubectl 代理。
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