| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * 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 remote |
| |
| import ( |
| "context" |
| "crypto/rand" |
| "github.com/golang/protobuf/ptypes" |
| any2 "github.com/golang/protobuf/ptypes/any" |
| cm "github.com/opencord/voltha-go/rw_core/mocks" |
| com "github.com/opencord/voltha-lib-go/v3/pkg/adapters/common" |
| "github.com/opencord/voltha-lib-go/v3/pkg/kafka" |
| "github.com/opencord/voltha-lib-go/v3/pkg/log" |
| mock_kafka "github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka" |
| ic "github.com/opencord/voltha-protos/v3/go/inter_container" |
| of "github.com/opencord/voltha-protos/v3/go/openflow_13" |
| "github.com/opencord/voltha-protos/v3/go/voltha" |
| "github.com/stretchr/testify/assert" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/status" |
| "strings" |
| "testing" |
| "time" |
| ) |
| |
| const ( |
| coreName = "rw_core" |
| adapterName = "adapter_mock" |
| coreInstanceID = "1000" |
| ) |
| |
| var ( |
| coreKafkaICProxy kafka.InterContainerProxy |
| adapterKafkaICProxy kafka.InterContainerProxy |
| kc kafka.Client |
| adapterReqHandler *com.RequestHandlerProxy |
| adapter *cm.Adapter |
| ) |
| |
| func init() { |
| if _, err := log.SetDefaultLogger(log.JSON, 0, log.Fields{"instanceId": coreInstanceID}); err != nil { |
| log.With(log.Fields{"error": err}).Fatal("Cannot setup logging") |
| } |
| // Set the log level to Warning |
| log.SetAllLogLevel(log.WarnLevel) |
| |
| var err error |
| |
| // Create the KV client |
| kc = mock_kafka.NewKafkaClient() |
| |
| // Setup core inter-container proxy and core request handler |
| coreKafkaICProxy = kafka.NewInterContainerProxy( |
| kafka.MsgClient(kc), |
| kafka.DefaultTopic(&kafka.Topic{Name: coreName})) |
| |
| if err = coreKafkaICProxy.Start(); err != nil { |
| logger.Fatalw("Failure-starting-core-kafka-intercontainerProxy", log.Fields{"error": err}) |
| } |
| if err = coreKafkaICProxy.SubscribeWithDefaultRequestHandler(kafka.Topic{Name: coreName}, 0); err != nil { |
| logger.Fatalw("Failure-subscribing-core-request-handler", log.Fields{"error": err}) |
| } |
| |
| // Setup adapter inter-container proxy and adapter request handler |
| adapterCoreProxy := com.NewCoreProxy(nil, adapterName, coreName) |
| adapter = cm.NewAdapter(adapterCoreProxy) |
| adapterReqHandler = com.NewRequestHandlerProxy(coreInstanceID, adapter, adapterCoreProxy) |
| adapterKafkaICProxy = kafka.NewInterContainerProxy( |
| kafka.MsgClient(kc), |
| kafka.DefaultTopic(&kafka.Topic{Name: adapterName}), |
| kafka.RequestHandlerInterface(adapterReqHandler)) |
| |
| if err = adapterKafkaICProxy.Start(); err != nil { |
| logger.Fatalw("Failure-starting-adapter-kafka-intercontainerProxy", log.Fields{"error": err}) |
| } |
| if err = adapterKafkaICProxy.SubscribeWithDefaultRequestHandler(kafka.Topic{Name: adapterName}, 0); err != nil { |
| logger.Fatalw("Failure-subscribing-adapter-request-handler", log.Fields{"error": err}) |
| } |
| } |
| |
| func getRandomBytes(size int) (bytes []byte, err error) { |
| bytes = make([]byte, size) |
| _, err = rand.Read(bytes) |
| return |
| } |
| |
| func TestCreateAdapterProxy(t *testing.T) { |
| ap := NewAdapterProxy(coreKafkaICProxy, coreName, mock_kafka.NewEndpointManager()) |
| assert.NotNil(t, ap) |
| } |
| |
| func waitForResponse(ctx context.Context, ch chan *kafka.RpcResponse) (*any2.Any, error) { |
| select { |
| case rpcResponse, ok := <-ch: |
| if !ok { |
| return nil, status.Error(codes.Aborted, "channel-closed") |
| } else if rpcResponse.Err != nil { |
| return nil, rpcResponse.Err |
| } else { |
| return rpcResponse.Reply, nil |
| } |
| case <-ctx.Done(): |
| return nil, ctx.Err() |
| } |
| } |
| |
| func testSimpleRequests(t *testing.T) { |
| type simpleRequest func(context.Context, *voltha.Device) (chan *kafka.RpcResponse, error) |
| ap := NewAdapterProxy(coreKafkaICProxy, coreName, mock_kafka.NewEndpointManager()) |
| simpleRequests := []simpleRequest{ |
| ap.AdoptDevice, |
| ap.DisableDevice, |
| ap.RebootDevice, |
| ap.DeleteDevice, |
| ap.ReconcileDevice, |
| ap.ReEnableDevice, |
| } |
| for _, f := range simpleRequests { |
| // Success |
| d := &voltha.Device{Id: "deviceId", Adapter: adapterName} |
| ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second) |
| rpcResponse, err := f(ctx, d) |
| assert.Nil(t, err) |
| _, err = waitForResponse(ctx, rpcResponse) |
| assert.Nil(t, err) |
| cancel() |
| |
| // Failure - invalid adapter |
| expectedError := "context deadline exceeded" |
| d = &voltha.Device{Id: "deviceId", Adapter: "adapter_mock_1"} |
| ctx, cancel = context.WithTimeout(context.Background(), 20*time.Millisecond) |
| rpcResponse, err = f(ctx, d) |
| assert.Nil(t, err) |
| _, err = waitForResponse(ctx, rpcResponse) |
| cancel() |
| assert.NotNil(t, err) |
| assert.True(t, strings.Contains(err.Error(), expectedError)) |
| |
| // Failure - timeout |
| d = &voltha.Device{Id: "deviceId", Adapter: adapterName} |
| ctx, cancel = context.WithTimeout(context.Background(), 100*time.Nanosecond) |
| rpcResponse, err = f(ctx, d) |
| assert.Nil(t, err) |
| _, err = waitForResponse(ctx, rpcResponse) |
| cancel() |
| assert.NotNil(t, err) |
| assert.True(t, strings.Contains(err.Error(), expectedError)) |
| } |
| } |
| |
| func testGetSwitchCapabilityFromAdapter(t *testing.T) { |
| ap := NewAdapterProxy(coreKafkaICProxy, coreName, mock_kafka.NewEndpointManager()) |
| d := &voltha.Device{Id: "deviceId", Adapter: adapterName} |
| ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second) |
| defer cancel() |
| rpcResponse, err := ap.GetOfpDeviceInfo(ctx, d) |
| assert.Nil(t, err) |
| response, err := waitForResponse(ctx, rpcResponse) |
| assert.Nil(t, err) |
| switchCap := &ic.SwitchCapability{} |
| err = ptypes.UnmarshalAny(response, switchCap) |
| assert.Nil(t, err) |
| assert.NotNil(t, switchCap) |
| expectedCap, _ := adapter.Get_ofp_device_info(d) |
| assert.Equal(t, switchCap.String(), expectedCap.String()) |
| } |
| |
| func testPacketOut(t *testing.T) { |
| ap := NewAdapterProxy(coreKafkaICProxy, coreName, mock_kafka.NewEndpointManager()) |
| d := &voltha.Device{Id: "deviceId", Adapter: adapterName} |
| outPort := uint32(1) |
| packet, err := getRandomBytes(50) |
| assert.Nil(t, err) |
| ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second) |
| defer cancel() |
| rpcResponse, err := ap.PacketOut(ctx, adapterName, d.Id, outPort, &of.OfpPacketOut{Data: packet}) |
| assert.Nil(t, err) |
| _, err = waitForResponse(ctx, rpcResponse) |
| assert.Nil(t, err) |
| } |
| |
| func testFlowUpdates(t *testing.T) { |
| ap := NewAdapterProxy(coreKafkaICProxy, coreName, mock_kafka.NewEndpointManager()) |
| d := &voltha.Device{Id: "deviceId", Adapter: adapterName} |
| _, err := ap.UpdateFlowsBulk(context.Background(), d, &voltha.Flows{}, &voltha.FlowGroups{}, &voltha.FlowMetadata{}) |
| assert.Nil(t, err) |
| flowChanges := &voltha.FlowChanges{ToAdd: &voltha.Flows{Items: nil}, ToRemove: &voltha.Flows{Items: nil}} |
| groupChanges := &voltha.FlowGroupChanges{ToAdd: &voltha.FlowGroups{Items: nil}, ToRemove: &voltha.FlowGroups{Items: nil}, ToUpdate: &voltha.FlowGroups{Items: nil}} |
| ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second) |
| defer cancel() |
| rpcResponse, err := ap.UpdateFlowsIncremental(ctx, d, flowChanges, groupChanges, &voltha.FlowMetadata{}) |
| assert.Nil(t, err) |
| _, err = waitForResponse(ctx, rpcResponse) |
| assert.Nil(t, err) |
| } |
| |
| func testPmUpdates(t *testing.T) { |
| ap := NewAdapterProxy(coreKafkaICProxy, coreName, mock_kafka.NewEndpointManager()) |
| d := &voltha.Device{Id: "deviceId", Adapter: adapterName} |
| ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second) |
| defer cancel() |
| rpcResponse, err := ap.UpdatePmConfigs(ctx, d, &voltha.PmConfigs{}) |
| assert.Nil(t, err) |
| _, err = waitForResponse(ctx, rpcResponse) |
| assert.Nil(t, err) |
| } |
| |
| func TestSuiteAdapterProxy(t *testing.T) { |
| //1. Test the simple requests first |
| testSimpleRequests(t) |
| |
| //2. Test get switch capability |
| testGetSwitchCapabilityFromAdapter(t) |
| |
| //3. Test PacketOut |
| testPacketOut(t) |
| |
| //4. Test flow updates |
| testFlowUpdates(t) |
| |
| //5. Pm configs |
| testPmUpdates(t) |
| } |