1、kubectl获取api命令
kubectl api-versions
输出如下：
apps/v1beta1
authentication.k8s.io/v1beta1
authorization.k8s.io/v1beta1
autoscaling/v1
batch/v1
certificates.k8s.io/v1alpha1
extensions/v1beta1
policy/v1beta1
rbac.authorization.k8s.io/v1alpha1
storage.k8s.io/v1beta1
v1
2、curl获取api命令
[注：以下命令的url地址http://127.0.0.1/为k8s master的地址]
curl http://127.0.0.1:8080/apis|grep groupVersion|cut -d: -f2|sort|uniq -c|cut -d" -f2
输出如下：
apps/v1beta1
authentication.k8s.io/v1beta1
authorization.k8s.io/v1beta1
autoscaling/v1
batch/v1
certificates.k8s.io/v1alpha1
extensions/v1beta1
policy/v1beta1
rbac.authorization.k8s.io/v1alpha1
storage.k8s.io/v1beta1