k8s csi code change

pkg/volume/csi/csi_util.go

@@ -0,0 +1,38 @@
+/*
+Copyright 2018 The Kubernetes 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 csi
+
+import (
+	"github.com/golang/glog"
+	api "k8s.io/api/core/v1"
+	meta "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+)
+
+func getCredentialsFromSecret(k8s kubernetes.Interface, secretRef *api.SecretReference) map[string]string {
+	credentials := map[string]string{}
+	secret, err := k8s.CoreV1().Secrets(secretRef.Namespace).Get(secretRef.Name, meta.GetOptions{})
+	if err != nil {
+		glog.Warningf("failed to find the secret %s in the namespace %s with error: %v\n", secretRef.Name, secretRef.Namespace, err)
+		return credentials
+	}
+	for key, value := range secret.Data {
+		credentials[key] = string(value)
+	}
+
+	return credentials
+}