Imports golang.org/x/oauth2/google k8s.io/apimachinery/pkg/apis/meta/v1 k8s.io/client-go/pkg/apis/clientauthentication/v1 k8s.io/client-go/tools/clientcmd k8s.io/client-go/tools/clientcmd/api Standard library imports context encoding/base64 encoding/json flag fmt io log net/http os path/filepath