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Support transmit eBPF Access Log Protocol (#150)
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| @@ -0,0 +1,21 @@ | ||
| Changes by Version | ||
| ================== | ||
| Release Notes. | ||
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| 1.2.0 | ||
| ------------------ | ||
| #### Features | ||
| * Introduce `pprof` module. | ||
| * Support export multiple `telemetry` service. | ||
| * Update the base docker image. | ||
| * Add timeout configuration for gRPC client. | ||
| * Reduce log print when the enqueue data to the pipeline error. | ||
| * Support transmit the Continuous Profiling protocol. | ||
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| #### Bug Fixes | ||
| * Fix [CVE-2022-41721](https://avd.aquasec.com/nvd/cve-2022-41721). | ||
| * Use Go 19 to build the Docker image to fix CVEs. | ||
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| #### Issues and PR | ||
| - All issues are [here](https://github.com/apache/skywalking/milestone/170?closed=1) | ||
| - All and pull requests are [here](https://github.com/apache/skywalking-satellite/pulls?q=is%3Apr+milestone%3A1.2.0+is%3Aclosed) |
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9
docs/en/setup/plugins/forwarder_native-ebpf-accesslog-grpc-forwarder.md
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| # Forwarder/native-ebpf-accesslog-grpc-forwarder | ||
| ## Description | ||
| This is a synchronization grpc forwarder with the SkyWalking native eBPF access log protocol. | ||
| ## DefaultConfig | ||
| ```yaml``` | ||
| ## Configuration | ||
| |Name|Type|Description| | ||
| |----|----|-----------| | ||
|
|
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docs/en/setup/plugins/receiver_grpc-native-ebpf-accesslog-receiver.md
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| # Receiver/grpc-native-ebpf-accesslog-receiver | ||
| ## Description | ||
| This is a receiver for SkyWalking native accesslog format, which is defined at https://github.com/apache/skywalking-data-collect-protocol/blob/master/ebpf/accesslog.proto. | ||
| ## Support Forwarders | ||
| - [native-ebpf-accesslog-grpc-forwarder](forwarder_native-ebpf-accesslog-grpc-forwarder.md) | ||
| ## DefaultConfig | ||
| ```yaml``` | ||
| ## Configuration | ||
| |Name|Type|Description| | ||
| |----|----|-----------| | ||
|
|
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124
plugins/forwarder/grpc/nativeebpfaccesslog/forwarder.go
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| // Licensed to Apache Software Foundation (ASF) under one or more contributor | ||
| // license agreements. See the NOTICE file distributed with | ||
| // this work for additional information regarding copyright | ||
| // ownership. Apache Software Foundation (ASF) licenses this file to you 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. | ||
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| package nativeebpfaccesslog | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "reflect" | ||
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| "google.golang.org/grpc" | ||
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| "github.com/apache/skywalking-satellite/internal/pkg/config" | ||
| "github.com/apache/skywalking-satellite/internal/pkg/log" | ||
| "github.com/apache/skywalking-satellite/internal/satellite/event" | ||
| server_grpc "github.com/apache/skywalking-satellite/plugins/server/grpc" | ||
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| v3 "skywalking.apache.org/repo/goapi/collect/ebpf/accesslog/v3" | ||
| v1 "skywalking.apache.org/repo/goapi/satellite/data/v1" | ||
| ) | ||
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| const ( | ||
| Name = "native-ebpf-accesslog-grpc-forwarder" | ||
| ShowName = "GRPC Native EBFP Access Log Forwarder" | ||
| ) | ||
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| type Forwarder struct { | ||
| config.CommonFields | ||
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| accessClient v3.EBPFAccessLogServiceClient | ||
| } | ||
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| func (f *Forwarder) Name() string { | ||
| return Name | ||
| } | ||
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| func (f *Forwarder) ShowName() string { | ||
| return ShowName | ||
| } | ||
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| func (f *Forwarder) Description() string { | ||
| return "This is a synchronization grpc forwarder with the SkyWalking native eBPF access log protocol." | ||
| } | ||
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| func (f *Forwarder) DefaultConfig() string { | ||
| return `` | ||
| } | ||
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| func (f *Forwarder) Prepare(connection interface{}) error { | ||
| client, ok := connection.(*grpc.ClientConn) | ||
| if !ok { | ||
| return fmt.Errorf("the %s only accepts a grpc client, but received a %s", | ||
| f.Name(), reflect.TypeOf(connection).String()) | ||
| } | ||
| f.accessClient = v3.NewEBPFAccessLogServiceClient(client) | ||
| return nil | ||
| } | ||
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| func (f *Forwarder) Forward(batch event.BatchEvents) (err error) { | ||
| var stream v3.EBPFAccessLogService_CollectClient | ||
| for _, e := range batch { | ||
| data, ok := e.GetData().(*v1.SniffData_EBPFAccessLogList) | ||
| if !ok { | ||
| continue | ||
| } | ||
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| stream, err = f.accessClient.Collect(context.Background()) | ||
| if err != nil { | ||
| log.Logger.Errorf("open grpc stream error: %v", err) | ||
| return err | ||
| } | ||
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| streamClosed := false | ||
| for _, message := range data.EBPFAccessLogList.Messages { | ||
| err := stream.SendMsg(server_grpc.NewOriginalData(message)) | ||
| if err != nil { | ||
| log.Logger.Errorf("%s send log data error: %v", f.Name(), err) | ||
| f.closeStream(stream) | ||
| streamClosed = true | ||
| break | ||
| } | ||
| } | ||
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| if !streamClosed { | ||
| f.closeStream(stream) | ||
| } | ||
| } | ||
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| return nil | ||
| } | ||
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| func (f *Forwarder) closeStream(stream v3.EBPFAccessLogService_CollectClient) { | ||
| _, err := stream.CloseAndRecv() | ||
| if err != nil && err != io.EOF { | ||
| log.Logger.Errorf("%s close stream error: %v", f.Name(), err) | ||
| } | ||
| } | ||
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| func (f *Forwarder) ForwardType() v1.SniffType { | ||
| return v1.SniffType_EBPFAccessLogType | ||
| } | ||
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| func (f *Forwarder) SyncForward(e *v1.SniffData) (*v1.SniffData, error) { | ||
| return nil, fmt.Errorf("unsupport sync forward") | ||
| } | ||
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| func (f *Forwarder) SupportedSyncInvoke() bool { | ||
| return false | ||
| } |
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