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-rw-r--r--src/k8splugin/internal/utils.go63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/k8splugin/internal/utils.go b/src/k8splugin/internal/utils.go
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+++ b/src/k8splugin/internal/utils.go
@@ -0,0 +1,63 @@
+/*
+Copyright 2018 Intel Corporation.
+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 utils
+
+import (
+ "io/ioutil"
+ "log"
+ "os"
+ "plugin"
+
+ pkgerrors "github.com/pkg/errors"
+ "k8s.io/apimachinery/pkg/runtime"
+ "k8s.io/client-go/kubernetes/scheme"
+)
+
+// LoadedPlugins stores references to the stored plugins
+var LoadedPlugins = map[string]*plugin.Plugin{}
+
+const ResourcesListLimit = 10
+
+// ResourceData stores all supported Kubernetes plugin types
+type ResourceData struct {
+ YamlFilePath string
+ Namespace string
+ VnfId string
+}
+
+// DecodeYAML reads a YAMl file to extract the Kubernetes object definition
+var DecodeYAML = func(path string, into runtime.Object) (runtime.Object, error) {
+ if _, err := os.Stat(path); err != nil {
+ if os.IsNotExist(err) {
+ return nil, pkgerrors.New("File " + path + " not found")
+ } else {
+ return nil, pkgerrors.Wrap(err, "Stat file error")
+ }
+ }
+
+ log.Println("Reading YAML file")
+ rawBytes, err := ioutil.ReadFile(path)
+ if err != nil {
+ return nil, pkgerrors.Wrap(err, "Read YAML file error")
+ }
+
+ log.Println("Decoding deployment YAML")
+ decode := scheme.Codecs.UniversalDeserializer().Decode
+ obj, _, err := decode(rawBytes, nil, into)
+ if err != nil {
+ return nil, pkgerrors.Wrap(err, "Deserialize YAML error")
+ }
+
+ return obj, nil
+}