Seed code for k8s multicloud plugin

This patch provides the initial seed code for the multicloud Kubernetes
plugin and also provides the plugin feature to add new Kubernetes
kinds.

Change-Id: Ie5ee414656665070cde2834c4855ac2ebc179a9a
Issue-ID: MULTICLOUD-301
Signed-off-by: Shashank Kumar Shankar <shashank.kumar.shankar@intel.com>
Signed-off-by: Victor Morales <victor.morales@intel.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/src/k8splugin/plugins/namespace/plugin.go b/src/k8splugin/plugins/namespace/plugin.go
new file mode 100644
index 00000000..986de863
--- /dev/null
+++ b/src/k8splugin/plugins/namespace/plugin.go
@@ -0,0 +1,68 @@
+/*
+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 main
+
+import (
+	pkgerrors "github.com/pkg/errors"
+
+	coreV1 "k8s.io/api/core/v1"
+	metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+)
+
+// CreateResource is used to create a new Namespace
+func CreateResource(namespace string, client *kubernetes.Clientset) error {
+	namespaceStruct := &coreV1.Namespace{
+		ObjectMeta: metaV1.ObjectMeta{
+			Name: namespace,
+		},
+	}
+	_, err := client.CoreV1().Namespaces().Create(namespaceStruct)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Create Namespace error")
+	}
+	return nil
+}
+
+// GetResource is used to check if a given namespace actually exists in Kubernetes
+func GetResource(namespace string, client *kubernetes.Clientset) (bool, error) {
+	opts := metaV1.ListOptions{}
+
+	namespaceList, err := client.CoreV1().Namespaces().List(opts)
+	if err != nil {
+		return false, pkgerrors.Wrap(err, "Get Namespace list error")
+	}
+
+	for _, ns := range namespaceList.Items {
+		if namespace == ns.Name {
+			return true, nil
+		}
+	}
+
+	return false, nil
+}
+
+// DeleteResource is used to delete a namespace
+func DeleteResource(namespace string, client *kubernetes.Clientset) error {
+	deletePolicy := metaV1.DeletePropagationForeground
+
+	err := client.CoreV1().Namespaces().Delete(namespace, &metaV1.DeleteOptions{
+		PropagationPolicy: &deletePolicy,
+	})
+
+	if err != nil {
+		return pkgerrors.Wrap(err, "Delete Namespace error")
+	}
+	return nil
+}