Add support for insecure registry

cmd/executor/cmd/root.go

@@ -101,7 +101,7 @@ var RootCmd = &cobra.Command{
 			os.Exit(1)
 		}
 
-		if err := executor.DoPush(image, destinations, tarPath); err != nil {
+		if err := executor.DoPush(image, destinations, tarPath, dockerInsecureSkipTLSVerify); err != nil {
 			logrus.Error(err)
 			os.Exit(1)
 		}

pkg/executor/executor.go

@@ -18,6 +18,7 @@ package executor
 
 import (
 	"bytes"
+	"crypto/tls"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -180,7 +181,7 @@ func (w *withUserAgent) RoundTrip(r *http.Request) (*http.Response, error) {
 	return w.t.RoundTrip(r)
 }
 
-func DoPush(image v1.Image, destinations []string, tarPath string) error {
+func DoPush(image v1.Image, destinations []string, tarPath string, dockerInsecureSkipTLSVerify bool) error {
 
 	// continue pushing unless an error occurs
 	for _, destination := range destinations {
@@ -190,6 +191,14 @@ func DoPush(image v1.Image, destinations []string, tarPath string) error {
 			return err
 		}
 
+		if dockerInsecureSkipTLSVerify {
+			newReg, err := name.NewInsecureRegistry(destRef.Repository.Registry.Name(), name.WeakValidation)
+			if err != nil {
+				return err
+			}
+			destRef.Repository.Registry = newReg
+		}
+
 		if tarPath != "" {
 			return tarball.WriteToFile(tarPath, destRef, image, nil)
 		}
@@ -205,7 +214,13 @@ func DoPush(image v1.Image, destinations []string, tarPath string) error {
 		}
 
 		// Create a transport to set our user-agent.
-		rt := &withUserAgent{t: http.DefaultTransport}
+		tr := http.DefaultTransport
+		if dockerInsecureSkipTLSVerify {
+			tr.(*http.Transport).TLSClientConfig = &tls.Config{
+				InsecureSkipVerify: true,
+			}
+		}
+		rt := &withUserAgent{t: tr}
 
 		if err := remote.Write(destRef, image, pushAuth, rt, remote.WriteOptions{}); err != nil {
 			logrus.Error(fmt.Errorf("Failed to push to destination %s", destination))