convert gvk to gvr (knative#192)

Co-authored-by: jjzhang <jjzhang@alauda.io>

errors/conver_resource_test.go

@@ -0,0 +1,30 @@
+/*
+Copyright 2021 The Katanomi Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package errors
+
+import (
+	"testing"
+
+	"github.com/katanomi/pkg/apis/meta/v1alpha1"
+	. "github.com/onsi/gomega"
+)
+
+func TestGVKToGR(t *testing.T) {
+	projectGVK := v1alpha1.ProjectGVK
+	projectGVR := GVKToGVR(projectGVK)
+	Equal(projectGVK.Kind).Match(projectGVR.Resource)
+}

errors/convert_resource.go

@@ -0,0 +1,29 @@
+/*
+Copyright 2021 The Katanomi Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package errors
+
+import "k8s.io/apimachinery/pkg/runtime/schema"
+
+// GVKToGR convert schema GroupVersionKind to GroupVersionResource
+// Warning: this function just for show error info
+func GVKToGVR(gvk schema.GroupVersionKind) (gr schema.GroupVersionResource) {
+	return schema.GroupVersionResource{
+		Group:    gvk.Group,
+		Version:  gvk.Version,
+		Resource: gvk.Kind,
+	}
+}