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authorRitu Sood <ritu.sood@intel.com>2018-11-10 03:54:15 +0000
committerVictor Morales <victor.morales@intel.com>2018-12-05 16:26:56 -0800
commita1abd829315d72adb258da20470eaa2445cf3e32 (patch)
treea1c2ae3e61490241b0a4c93f49acffd6d319a7a4 /src/k8splugin/plugins/network
parentdaf3a00798ee77e469cd89cb16ade818c50968f9 (diff)
Add Network and OVN4NFV Plugins
This patch includes support for Network Objects through a new plugin. It also add the first sub-module plugin for OVN4NFVK8s support. Change-Id: Ia23c42d50f75a5206e1b6a04052c34e940518428 Signed-off-by: Ritu Sood <ritu.sood@intel.com> Signed-off-by: Victor Morales <victor.morales@intel.com> Issue-ID: MULTICLOUD-303
Diffstat (limited to 'src/k8splugin/plugins/network')
-rw-r--r--src/k8splugin/plugins/network/plugin.go95
-rw-r--r--src/k8splugin/plugins/network/plugin_test.go172
-rw-r--r--src/k8splugin/plugins/network/v1/types.go67
3 files changed, 334 insertions, 0 deletions
diff --git a/src/k8splugin/plugins/network/plugin.go b/src/k8splugin/plugins/network/plugin.go
new file mode 100644
index 00000000..d54fc429
--- /dev/null
+++ b/src/k8splugin/plugins/network/plugin.go
@@ -0,0 +1,95 @@
+/*
+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"
+ "k8s.io/client-go/kubernetes"
+ "k8splugin/krd"
+ "k8splugin/plugins/network/v1"
+ "regexp"
+)
+
+func extractData(data string) (vnfID, cniType, networkName string) {
+ re := regexp.MustCompile("_")
+ split := re.Split(data, -1)
+ if len(split) != 3 {
+ return
+ }
+ vnfID = split[0]
+ cniType = split[1]
+ networkName = split[2]
+ return
+}
+
+// Create an ONAP Network object
+func Create(data *krd.ResourceData, client kubernetes.Interface) (string, error) {
+ network := &v1.OnapNetwork{}
+ if _, err := krd.DecodeYAML(data.YamlFilePath, network); err != nil {
+ return "", pkgerrors.Wrap(err, "Decode network object error")
+ }
+
+ config, err := network.DecodeConfig()
+ if err != nil {
+ return "", pkgerrors.Wrap(err, "Fail to decode network's configuration")
+ }
+
+ cniType := config["cnitype"].(string)
+ typePlugin, ok := krd.LoadedPlugins[cniType+"-network"]
+ if !ok {
+ return "", pkgerrors.New("No plugin for resource " + cniType + " found")
+ }
+
+ symCreateNetworkFunc, err := typePlugin.Lookup("CreateNetwork")
+ if err != nil {
+ return "", pkgerrors.Wrap(err, "Error fetching "+cniType+" plugin")
+ }
+
+ name, err := symCreateNetworkFunc.(func(*v1.OnapNetwork) (string, error))(network)
+ if err != nil {
+ return "", pkgerrors.Wrap(err, "Error during the creation for "+cniType+" plugin")
+ }
+
+ return data.VnfId + "_" + cniType + "_" + name, nil
+}
+
+// List of Networks
+func List(namespace string, kubeclient kubernetes.Interface) ([]string, error) {
+ return nil, nil
+}
+
+// Delete an existing Network
+func Delete(name string, namespace string, kubeclient kubernetes.Interface) error {
+ _, cniType, networkName := extractData(name)
+ typePlugin, ok := krd.LoadedPlugins[cniType+"-network"]
+ if !ok {
+ return pkgerrors.New("No plugin for resource " + cniType + " found")
+ }
+
+ symDeleteNetworkFunc, err := typePlugin.Lookup("DeleteNetwork")
+ if err != nil {
+ return pkgerrors.Wrap(err, "Error fetching "+cniType+" plugin")
+ }
+
+ if err := symDeleteNetworkFunc.(func(string) error)(networkName); err != nil {
+ return pkgerrors.Wrap(err, "Error during the deletion for "+cniType+" plugin")
+ }
+
+ return nil
+}
+
+// Get an existing Network
+func Get(name string, namespace string, kubeclient kubernetes.Interface) (string, error) {
+ return "", nil
+}
diff --git a/src/k8splugin/plugins/network/plugin_test.go b/src/k8splugin/plugins/network/plugin_test.go
new file mode 100644
index 00000000..325de31f
--- /dev/null
+++ b/src/k8splugin/plugins/network/plugin_test.go
@@ -0,0 +1,172 @@
+// +build integration
+
+/*
+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"
+ "k8splugin/krd"
+ "os"
+ "plugin"
+ "reflect"
+ "strings"
+ "testing"
+)
+
+func LoadMockNetworkPlugins(krdLoadedPlugins *map[string]*plugin.Plugin, networkName, errMsg string) error {
+ if _, err := os.Stat("../../mock_files/mock_plugins/mocknetworkplugin.so"); os.IsNotExist(err) {
+ return pkgerrors.New("mocknetworkplugin.so does not exist. Please compile mocknetworkplugin.go to generate")
+ }
+
+ mockNetworkPlugin, err := plugin.Open("../../mock_files/mock_plugins/mocknetworkplugin.so")
+ if err != nil {
+ return pkgerrors.Cause(err)
+ }
+
+ symErrVar, err := mockNetworkPlugin.Lookup("Err")
+ if err != nil {
+ return err
+ }
+ symNetworkNameVar, err := mockNetworkPlugin.Lookup("NetworkName")
+ if err != nil {
+ return err
+ }
+
+ *symErrVar.(*string) = errMsg
+ *symNetworkNameVar.(*string) = networkName
+ (*krdLoadedPlugins)["ovn4nfvk8s-network"] = mockNetworkPlugin
+
+ return nil
+}
+
+func TestCreateNetwork(t *testing.T) {
+ internalVNFID := "1"
+ oldkrdPluginData := krd.LoadedPlugins
+
+ defer func() {
+ krd.LoadedPlugins = oldkrdPluginData
+ }()
+
+ testCases := []struct {
+ label string
+ input *krd.ResourceData
+ mockError string
+ mockOutput string
+ expectedResult string
+ expectedError string
+ }{
+ {
+ label: "Fail to decode a network object",
+ input: &krd.ResourceData{
+ YamlFilePath: "../../mock_files/mock_yamls/service.yaml",
+ },
+ expectedError: "Fail to decode network's configuration: Invalid configuration value",
+ },
+ {
+ label: "Fail to create a network",
+ input: &krd.ResourceData{
+ YamlFilePath: "../../mock_files/mock_yamls/ovn4nfvk8s.yaml",
+ },
+ mockError: "Internal error",
+ expectedError: "Error during the creation for ovn4nfvk8s plugin: Internal error",
+ },
+ {
+ label: "Successfully create a ovn4nfv network",
+ input: &krd.ResourceData{
+ VnfId: internalVNFID,
+ YamlFilePath: "../../mock_files/mock_yamls/ovn4nfvk8s.yaml",
+ },
+ expectedResult: internalVNFID + "_ovn4nfvk8s_myNetwork",
+ mockOutput: "myNetwork",
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ err := LoadMockNetworkPlugins(&krd.LoadedPlugins, testCase.mockOutput, testCase.mockError)
+ if err != nil {
+ t.Fatalf("TestCreateNetwork returned an error (%s)", err)
+ }
+ result, err := Create(testCase.input, nil)
+ if err != nil {
+ if testCase.expectedError == "" {
+ t.Fatalf("Create method return an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.expectedError) {
+ t.Fatalf("Create method returned an error (%s)", err)
+ }
+ } else {
+ if testCase.expectedError != "" && testCase.expectedResult == "" {
+ t.Fatalf("Create method was expecting \"%s\" error message", testCase.expectedError)
+ }
+ if !reflect.DeepEqual(testCase.expectedResult, result) {
+
+ t.Fatalf("Create method returned: \n%v\n and it was expected: \n%v", result, testCase.expectedResult)
+ }
+ }
+ })
+ }
+}
+
+func TestDeleteNetwork(t *testing.T) {
+ oldkrdPluginData := krd.LoadedPlugins
+
+ defer func() {
+ krd.LoadedPlugins = oldkrdPluginData
+ }()
+
+ testCases := []struct {
+ label string
+ input string
+ mockError string
+ mockOutput string
+ expectedResult string
+ expectedError string
+ }{
+ {
+ label: "Fail to load non-existing plugin",
+ input: "test",
+ expectedError: "No plugin for resource",
+ },
+ {
+ label: "Fail to delete a network",
+ input: "1_ovn4nfvk8s_test",
+ mockError: "Internal error",
+ expectedError: "Error during the deletion for ovn4nfvk8s plugin: Internal error",
+ },
+ {
+ label: "Successfully delete a ovn4nfv network",
+ input: "1_ovn4nfvk8s_test",
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ err := LoadMockNetworkPlugins(&krd.LoadedPlugins, testCase.mockOutput, testCase.mockError)
+ if err != nil {
+ t.Fatalf("TestDeleteNetwork returned an error (%s)", err)
+ }
+ err = Delete(testCase.input, "", nil)
+ if err != nil {
+ if testCase.expectedError == "" {
+ t.Fatalf("Create method return an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.expectedError) {
+ t.Fatalf("Create method returned an error (%s)", err)
+ }
+ }
+ })
+ }
+}
diff --git a/src/k8splugin/plugins/network/v1/types.go b/src/k8splugin/plugins/network/v1/types.go
new file mode 100644
index 00000000..b4efa39a
--- /dev/null
+++ b/src/k8splugin/plugins/network/v1/types.go
@@ -0,0 +1,67 @@
+/*
+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 v1
+
+import (
+ "encoding/json"
+
+ pkgerrors "github.com/pkg/errors"
+ metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+ "k8s.io/apimachinery/pkg/runtime"
+ "k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// OnapNetwork describes an ONAP network resouce
+type OnapNetwork struct {
+ metaV1.TypeMeta `json:",inline"`
+ metaV1.ObjectMeta `json:"metadata,omitempty"`
+ Spec OnapNetworkSpec `json:"spec"`
+}
+
+// OnapNetworkSpec is the spec for OnapNetwork resource
+type OnapNetworkSpec struct {
+ Config string `json:"config"`
+}
+
+// DeepCopyObject returns a generically typed copy of an object
+func (in OnapNetwork) DeepCopyObject() runtime.Object {
+ out := OnapNetwork{}
+ out.TypeMeta = in.TypeMeta
+ out.ObjectMeta = in.ObjectMeta
+ out.Spec = in.Spec
+
+ return &out
+}
+
+// GetObjectKind
+func (in OnapNetwork) GetObjectKind() schema.ObjectKind {
+ return &in.TypeMeta
+}
+
+// DecodeConfig content
+func (in OnapNetwork) DecodeConfig() (map[string]interface{}, error) {
+ var raw map[string]interface{}
+
+ if in.Spec.Config == "" {
+ return nil, pkgerrors.New("Invalid configuration value")
+ }
+
+ if err := json.Unmarshal([]byte(in.Spec.Config), &raw); err != nil {
+ return nil, pkgerrors.Wrap(err, "JSON unmarshalling error")
+ }
+
+ return raw, nil
+}