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authorShashank Kumar Shankar <shashank.kumar.shankar@intel.com>2018-08-20 15:50:50 -0700
committerVictor Morales <victor.morales@intel.com>2018-08-24 15:51:16 -0700
commita1373742a2c3f980360e4980f3b23b0ff3480ae6 (patch)
treece2fb583dea15b8a546d794d21786fdf0f666539 /src/k8splugin/krd
parent6ff216219ccb4567baeb34c9dba73daabb60f629 (diff)
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>
Diffstat (limited to 'src/k8splugin/krd')
-rw-r--r--src/k8splugin/krd/krd.go44
-rw-r--r--src/k8splugin/krd/krd_test.go34
-rw-r--r--src/k8splugin/krd/plugins.go44
3 files changed, 122 insertions, 0 deletions
diff --git a/src/k8splugin/krd/krd.go b/src/k8splugin/krd/krd.go
new file mode 100644
index 00000000..2d06e104
--- /dev/null
+++ b/src/k8splugin/krd/krd.go
@@ -0,0 +1,44 @@
+/*
+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 krd
+
+import (
+ "errors"
+
+ pkgerrors "github.com/pkg/errors"
+
+ "k8s.io/client-go/kubernetes"
+ "k8s.io/client-go/tools/clientcmd"
+)
+
+// GetKubeClient loads the Kubernetes configuation values stored into the local configuration file
+var GetKubeClient = func(configPath string) (kubernetes.Clientset, error) {
+ var clientset *kubernetes.Clientset
+
+ if configPath == "" {
+ return *clientset, errors.New("config not passed and is not found in ~/.kube. ")
+ }
+
+ config, err := clientcmd.BuildConfigFromFlags("", configPath)
+ if err != nil {
+ return kubernetes.Clientset{}, pkgerrors.Wrap(err, "setConfig: Build config from flags raised an error")
+ }
+
+ clientset, err = kubernetes.NewForConfig(config)
+ if err != nil {
+ return *clientset, err
+ }
+
+ return *clientset, nil
+}
diff --git a/src/k8splugin/krd/krd_test.go b/src/k8splugin/krd/krd_test.go
new file mode 100644
index 00000000..7047a74c
--- /dev/null
+++ b/src/k8splugin/krd/krd_test.go
@@ -0,0 +1,34 @@
+/*
+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 krd
+
+import (
+ "reflect"
+ "testing"
+)
+
+func TestGetKubeClient(t *testing.T) {
+ t.Run("Successfully create Kube Client", func(t *testing.T) {
+
+ clientset, err := GetKubeClient("../mock_files/mock_configs/mock_config")
+ if err != nil {
+ t.Fatalf("TestGetKubeClient returned an error (%s)", err)
+ }
+
+ if reflect.TypeOf(clientset).Name() != "Clientset" {
+ t.Fatalf("TestGetKubeClient returned :\n result=%v\n expected=%v", clientset, "Clientset")
+ }
+
+ })
+}
diff --git a/src/k8splugin/krd/plugins.go b/src/k8splugin/krd/plugins.go
new file mode 100644
index 00000000..612e3f6b
--- /dev/null
+++ b/src/k8splugin/krd/plugins.go
@@ -0,0 +1,44 @@
+/*
+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 krd
+
+import (
+ "plugin"
+
+ appsV1 "k8s.io/api/apps/v1"
+ coreV1 "k8s.io/api/core/v1"
+ "k8s.io/client-go/kubernetes"
+)
+
+// LoadedPlugins stores references to the stored plugins
+var LoadedPlugins = map[string]*plugin.Plugin{}
+
+// KubeResourceClient has the signature methods to create Kubernetes reources
+type KubeResourceClient interface {
+ CreateResource(GenericKubeResourceData, *kubernetes.Clientset) (string, error)
+ ListResources(string, string) (*[]string, error)
+ DeleteResource(string, string, *kubernetes.Clientset) error
+ GetResource(string, string, *kubernetes.Clientset) (string, error)
+}
+
+// GenericKubeResourceData stores all supported Kubernetes plugin types
+type GenericKubeResourceData struct {
+ YamlFilePath string
+ Namespace string
+ InternalVNFID string
+
+ // Add additional Kubernetes plugins below kinds
+ DeploymentData *appsV1.Deployment
+ ServiceData *coreV1.Service
+}