[GitHub] [submarine] woodcutter-eric commented on a change in pull request #788: SUBMARINE-1054. Refactor submarine-operator

[GitBox <gi...@apache.org>]

woodcutter-eric commented on a change in pull request #788:
URL: https://github.com/apache/submarine/pull/788#discussion_r738496676



##########
File path: submarine-cloud-v2/pkg/controller/parser.go
##########
@@ -0,0 +1,169 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 controller
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	"github.com/pkg/errors"
+	traefikv1alpha1 "github.com/traefik/traefik/v2/pkg/provider/kubernetes/crd/traefik/v1alpha1"
+	appsv1 "k8s.io/api/apps/v1"
+	v1 "k8s.io/api/core/v1"
+	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
+	rbacv1 "k8s.io/api/rbac/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/util/yaml"
+)
+
+// PathToOSFile gets the absolute path from relative path.
+func pathToOSFile(relativePath string) (*os.File, error) {
+	path, err := filepath.Abs(relativePath)
+	if err != nil {
+		return nil, errors.Wrap(err, fmt.Sprintf("failed generate absolute file path of %s", relativePath))
+	}
+
+	manifest, err := os.Open(path)
+	if err != nil {
+		return nil, errors.Wrap(err, fmt.Sprintf("failed to open file %s", path))
+	}
+
+	return manifest, nil
+}
+
+// ParseYaml
+func parseYaml(relativePath, kind string) ([]byte, error) {
+	var manifest *os.File
+	var err error
+
+	var marshaled []byte
+	if manifest, err = pathToOSFile(relativePath); err != nil {
+		return nil, err
+	}
+
+	decoder := yaml.NewYAMLOrJSONDecoder(manifest, 100)
+	for {
+		var out unstructured.Unstructured
+		err = decoder.Decode(&out)
+		if err != nil {
+			// this would indicate it's malformed YAML.
+			break
+		}
+
+		if out.GetKind() == kind {
+			marshaled, err = out.MarshalJSON()
+			break
+		}
+	}
+
+	if err != io.EOF && err != nil {

Review comment:
       @Kenchu123 Do you want to handler io.EOF error or just ignore it?




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