Imports k8s.io/apimachinery/pkg/apis/meta/v1 github.com/hashicorp/go-multierror github.com/miekg/dns github.com/gardener/gardener/pkg/logger k8s.io/apimachinery/pkg/util/rand github.com/Masterminds/semver Standard library imports crypto/rand crypto/x509 encoding/base64 encoding/hex errors fmt math/big net path/filepath regexp crypto/rsa encoding/pem crypto/sha256 text/template crypto/sha1 bytes context sort strconv strings time