APIServer in envtest should expose TLSClientConfig so that user can connect 'https' endpoint of kube-apiserver

Author: everpeace

pkg/internal/testing/integration/apiserver.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+	"k8s.io/client-go/rest"
 	"net/url"
 	"os"
 	"path/filepath"
@@ -23,6 +24,9 @@ type APIServer struct {
 	// SecurePort is the additional secure port that the APIServer should listen on.
 	SecurePort int
 
+	// TLSconfig is tls configuration to connect to its secure endpoint.
+	TlsClientConfig rest.TLSClientConfig
+
 	// Path is the path to the apiserver binary.
 	//
 	// If this is left as the empty string, we will attempt to locate a binary,
@@ -157,6 +161,10 @@ func (s *APIServer) populateAPIServerCerts() error {
 		return err
 	}
 
+	s.TlsClientConfig = rest.TLSClientConfig{
+		CAData: ca.CA.CertBytes(),
+	}
+
 	return nil
 }