From a1373742a2c3f980360e4980f3b23b0ff3480ae6 Mon Sep 17 00:00:00 2001 From: Shashank Kumar Shankar Date: Mon, 20 Aug 2018 15:50:50 -0700 Subject: 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 Signed-off-by: Victor Morales --- src/k8splugin/krd/krd.go | 44 +++++++++++++++++++++++++++++++++++++++++++ src/k8splugin/krd/krd_test.go | 34 +++++++++++++++++++++++++++++++++ src/k8splugin/krd/plugins.go | 44 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 122 insertions(+) create mode 100644 src/k8splugin/krd/krd.go create mode 100644 src/k8splugin/krd/krd_test.go create mode 100644 src/k8splugin/krd/plugins.go (limited to 'src/k8splugin/krd') 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 +} -- cgit 1.2.3-korg