feat: add generate docker auth func. (#540)

apis/artifacts/v1alpha1/registry_types.go

@@ -17,6 +17,7 @@ limitations under the License.
 package v1alpha1
 
 import (
+	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"net/url"
@@ -50,6 +51,12 @@ type DockerAuthItem struct {
 	Scope string `json:"scope"`
 }
 
+// GenerateDockerAuth generate docker auth by input.
+func GenerateDockerAuth(username, password []byte) string {
+	authData := make([]byte, 0, len(username)+len(password)+1)
+	return base64.StdEncoding.EncodeToString(fmt.Appendf(authData, "%s:%s", username, password))
+}
+
 // GetAuthFromDockerConfigJson get docker credential information from docker config json
 func GetAuthFromDockerConfigJson(registry string, dockerConfigJsonBytes []byte) (username, password string, err error) {
 	var dockerConfig DockerConfigJson

apis/artifacts/v1alpha1/registry_types_test.go

@@ -18,6 +18,7 @@ package v1alpha1
 
 import (
 	"errors"
+	"testing"
 
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
@@ -100,3 +101,25 @@ var _ = Describe("Test.GetAuthFromDockerConfigJson", func() {
 		),
 	)
 })
+
+func TestDockerAuthItem_SetStringAuth(t *testing.T) {
+	tests := map[string]struct {
+		username string
+		password string
+		want     string
+	}{
+		"generate auth": {
+			username: "test-user",
+			password: "test-password",
+			want:     "dGVzdC11c2VyOnRlc3QtcGFzc3dvcmQ=",
+		},
+	}
+	for name, tt := range tests {
+		t.Run(name, func(t *testing.T) {
+			got := GenerateDockerAuth([]byte(tt.username), []byte(tt.password))
+			if tt.want != got {
+				t.Errorf("generate failed")
+			}
+		})
+	}
+}