Imports gopkg.in/yaml.v2 k8s.io/api/certificates/v1 k8s.io/api/core/v1 k8s.io/apimachinery/pkg/apis/meta/v1 k8s.io/client-go/kubernetes k8s.io/client-go/tools/clientcmd Standard library imports context crypto/rand crypto/rsa crypto/x509 crypto/x509/pkix encoding/asn1 encoding/base64 encoding/pem flag fmt log os path/filepath time