| // 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. |
| |
| package nativcelog |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "io/ioutil" |
| "net/http" |
| "time" |
| |
| module "github.com/apache/skywalking-satellite/internal/satellite/module/api" |
| |
| "google.golang.org/protobuf/proto" |
| |
| "github.com/apache/skywalking-satellite/internal/pkg/config" |
| "github.com/apache/skywalking-satellite/internal/pkg/log" |
| forwarder "github.com/apache/skywalking-satellite/plugins/forwarder/api" |
| frowarder_nativelog "github.com/apache/skywalking-satellite/plugins/forwarder/grpc/nativelog" |
| http_server "github.com/apache/skywalking-satellite/plugins/server/http" |
| |
| logging "skywalking.apache.org/repo/goapi/collect/logging/v3" |
| v1 "skywalking.apache.org/repo/goapi/satellite/data/v1" |
| ) |
| |
| const ( |
| Name = "http-native-log-receiver" |
| ShowName = "HTTP Native Log Receiver" |
| eventName = "http-nativelog-event" |
| success = "success" |
| failing = "failing" |
| ) |
| |
| type Receiver struct { |
| config.CommonFields |
| // config |
| URI string `mapstructure:"uri"` |
| Timeout int `mapstructure:"timeout"` |
| // components |
| Server *http_server.Server |
| OutputChannel chan *v1.SniffData |
| } |
| |
| type Response struct { |
| Status string `json:"status"` |
| Msg string `json:"msg"` |
| } |
| |
| func (r *Receiver) Name() string { |
| return Name |
| } |
| |
| func (r *Receiver) ShowName() string { |
| return ShowName |
| } |
| |
| func (r *Receiver) Description() string { |
| return "This is a receiver for SkyWalking http logging format, " + |
| "which is defined at https://github.com/apache/skywalking-data-collect-protocol/blob/master/logging/Logging.proto." |
| } |
| |
| func (r *Receiver) DefaultConfig() string { |
| return ` |
| # The native log request URI. |
| uri: "/logging" |
| # The request timeout seconds. |
| timeout: 5 |
| ` |
| } |
| |
| func (r *Receiver) RegisterHandler(server interface{}) { |
| r.Server = server.(*http_server.Server) |
| r.OutputChannel = make(chan *v1.SniffData) |
| r.Server.Server.Handle(r.URI, r.httpHandler()) |
| } |
| |
| func (r *Receiver) RegisterSyncInvoker(_ module.SyncInvoker) { |
| } |
| |
| func ResponseWithJSON(rsp http.ResponseWriter, response *Response, code int) { |
| rsp.WriteHeader(code) |
| _ = json.NewEncoder(rsp).Encode(response) |
| } |
| |
| func (r *Receiver) httpHandler() http.Handler { |
| h := http.HandlerFunc(func(rsp http.ResponseWriter, req *http.Request) { |
| rsp.Header().Set("Content-Type", "application/json") |
| b, err := ioutil.ReadAll(req.Body) |
| if err != nil { |
| log.Logger.Errorf("get http body error: %v", err) |
| response := &Response{Status: failing, Msg: err.Error()} |
| ResponseWithJSON(rsp, response, http.StatusBadRequest) |
| return |
| } |
| var data logging.LogData |
| err = proto.Unmarshal(b, &data) |
| if err != nil { |
| response := &Response{Status: failing, Msg: err.Error()} |
| ResponseWithJSON(rsp, response, http.StatusInternalServerError) |
| return |
| } |
| e := &v1.SniffData{ |
| Name: eventName, |
| Timestamp: time.Now().UnixNano() / 1e6, |
| Meta: nil, |
| Type: v1.SniffType_Logging, |
| Remote: true, |
| Data: &v1.SniffData_LogList{ |
| LogList: &v1.BatchLogList{ |
| Logs: [][]byte{b}, |
| }, |
| }, |
| } |
| r.OutputChannel <- e |
| response := &Response{Status: success, Msg: success} |
| ResponseWithJSON(rsp, response, http.StatusOK) |
| }) |
| return http.TimeoutHandler(h, time.Duration(r.Timeout)*time.Second, fmt.Sprintf("Exceeded configured timeout of %d seconds", r.Timeout)) |
| } |
| |
| func (r *Receiver) Channel() <-chan *v1.SniffData { |
| return r.OutputChannel |
| } |
| |
| func (r *Receiver) SupportForwarders() []forwarder.Forwarder { |
| return []forwarder.Forwarder{ |
| new(frowarder_nativelog.Forwarder), |
| } |
| } |