Add plugin to support teambition/gear framework (#65)

README.md

@@ -130,6 +130,7 @@ are stored in `plugins` package.
  1. [HTTP client/server example](plugins/http/example_http_test.go)
  1. [gin example](plugins/gin/example_gin_test.go)
  1. [go-resty example](plugins/http/example_go_resty_test.go)
+ 1. [gear example](plugins/gear/example_gear_test.go)
 
 
 # License

go.mod

@@ -16,6 +16,7 @@ require (
 	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/pkg/errors v0.8.1
 	github.com/stretchr/testify v1.5.1 // indirect
+	github.com/teambition/gear v1.21.2
 	github.com/ugorji/go v1.1.4 // indirect
 	google.golang.org/grpc v1.27.0
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect

go.sum

 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/GitbookIO/mimedb v0.0.0-20180329142916-39fdfdb4def4/go.mod h1:0JA2lIXs/dl3RUgHP5ivwjl3f0g+X2BQz3zWnq8IJa4=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dimfeld/httptreemux v5.0.1+incompatible h1:Qj3gVcDNoOthBAqftuD596rm4wg/adLLz5xh5CmpiCA=
+github.com/dimfeld/httptreemux v5.0.1+incompatible/go.mod h1:rbUlSV+CCpv/SuqUTP/8Bk2O3LyUV436/yaRGkhP6Z0=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/gin-contrib/sse v0.0.0-20190301062529-5545eab6dad3 h1:t8FVkw33L+wilf2QiWkw0UV77qRpcH/JHPKGpKa2E8g=
 github.com/gin-contrib/sse v0.0.0-20190301062529-5545eab6dad3/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s=
 github.com/gin-gonic/gin v1.3.0 h1:kCmZyPklC0gVdL728E6Aj20uYBJV93nj/TkwBTKhFbs=
 github.com/gin-gonic/gin v1.3.0/go.mod h1:7cKuhb5qV2ggCFctp2fJQ+ErvciLZrIeoOSOm6mUr7Y=
+github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8 h1:DujepqpGd1hyOd7aW59XpK7Qymp8iy83xq74fLr21is=
+github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
+github.com/go-http-utils/cookie v1.3.1 h1:GCdTeqVV5vDcjP7LrgYpH8pbt3dOYKS+Wrs7Jo3/k/w=
+github.com/go-http-utils/cookie v1.3.1/go.mod h1:ATl4rfG3bEemjiVa+8WIfgNcBUWdYBTasfXKjJ3Avt8=
+github.com/go-http-utils/negotiator v1.0.0 h1:Qp1zofD6Nw7KXApXa3pAjehP06Js0ILguEBCnHhZeVA=
+github.com/go-http-utils/negotiator v1.0.0/go.mod h1:mTQe1sH0XhdFkeDiWpCY3QSk7Apo5jwOlIwLWJbJe2c=
 github.com/go-resty/resty/v2 v2.2.0 h1:vgZ1cdblp8Aw4jZj3ZsKh6yKAlMg3CHMrqFSFFd+jgY=
 github.com/go-resty/resty/v2 v2.2.0/go.mod h1:nYW/8rxqQCmI3bPz9Fsmjbr2FBjGuR2Mzt6kDh3zZ7w=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
@@ -27,24 +39,45 @@ github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/mux v1.7.1 h1:Dw4jY2nghMMRsh1ol8dv1axHkDwMQK2DHerMNJsIpJU=
 github.com/gorilla/mux v1.7.1/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/json-iterator/go v1.1.6 h1:MrUvLMLTMxbqFJ9kzlvat/rYZqZnW3u4wkLzWTaFwKs=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/julienschmidt/httprouter v1.2.0 h1:TDTW5Yz1mjftljbcKqRcrYhd4XeOoI98t+9HbQbYf7g=
+github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/mailgun/timetools v0.0.0-20170619190023-f3a7b8ffff47/go.mod h1:RYmqHbhWwIz3z9eVmQ2rx82rulEMG0t+Q1bzfc9DYN4=
 github.com/mattn/go-isatty v0.0.7 h1:UvyT9uN+3r7yLEYSlJsbQGdsaB/a0DlgWP3pql6iwOc=
 github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
+github.com/pelletier/go-toml v1.4.0/go.mod h1:PN7xzY2wHTK0K9p34ErDQMlFxa51Fk0OUruD3k1mMwo=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/teambition/compressible-go v1.0.1/go.mod h1:K91wjCUqzpuY2ZpSi039mt4WzzjMGxPFMZHHTEoTvak=
+github.com/teambition/gear v1.21.2 h1:mwmfe5SOh9a5kQdoyYqdix/FGswtvu4QPkDzHNvkTLg=
+github.com/teambition/gear v1.21.2/go.mod h1:berJp67mxgCZ1ZKgv1oCVV9WpWko3zAgIGYtaN4iGW0=
+github.com/teambition/trie-mux v1.4.2 h1:HgbwXfQDsingRLzyYdxEyut3i2Z9To/GOlVZD2gKRiM=
+github.com/teambition/trie-mux v1.4.2/go.mod h1:ZWBopELDBGsgw9l8lFD4WCkpZTmmEKhu/8w3FbsxBgo=
 github.com/ugorji/go v1.1.4 h1:j4s+tAvLfL3bZyefP2SEWmhBzmuIlH/eqNuPdFPgngw=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
+github.com/vulcand/oxy v0.0.0-20181019102601-ac21a760928b/go.mod h1:giFb8dicROVdV5W0HXlA5siMBLWKnVXZlkA4Y5ZIzrY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -67,8 +100,13 @@ golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
+golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.1-0.20181010134911-4d1c5fb19474 h1:4l+CHZwCUFzGF11IlLbqggmpYvJyXOKSlGBZ8M0Ag/w=
+golang.org/x/text v0.3.1-0.20181010134911-4d1c5fb19474/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
@@ -81,14 +119,18 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 h1:gSJIx1SDwno+2El
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0 h1:rRYRFMVgRv6E0D70Skyfsr28tDXIuuPZyWGMPdMcnXg=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
 gopkg.in/go-playground/validator.v8 v8.18.2 h1:lFB4DoMU6B626w8ny76MV7VX6W2VHct2GVOI3xgiMrQ=
 gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
+gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

plugins/gear/doc.go

+// Licensed to SkyAPM org under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. SkyAPM org 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 Gear is a plugin that can be used to trace Gear framework.
+package gear

plugins/gear/example_gear_test.go

+// Licensed to SkyAPM org under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. SkyAPM org 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 gear
+
+import (
+	"fmt"
+	"github.com/SkyAPM/go2sky"
+	h "github.com/SkyAPM/go2sky/plugins/http"
+	"github.com/SkyAPM/go2sky/reporter"
+	"github.com/teambition/gear"
+	"log"
+	"net/http"
+	"sync"
+	"time"
+)
+
+func ExampleMiddleware() {
+	re, err := reporter.NewLogReporter()
+	if err != nil {
+		log.Fatalf("new reporter error %v \n", err)
+	}
+	defer re.Close()
+
+	tracer, err := go2sky.NewTracer("gear", go2sky.WithReporter(re))
+	if err != nil {
+		log.Fatalf("create tracer error %v \n", err)
+	}
+	app := gear.New()
+
+	app.Use(Middleware(tracer))
+
+	router := gear.NewRouter()
+	router.Get("/user", func(ctx *gear.Context) error {
+		name := ctx.Param("name")
+		return ctx.End(http.StatusOK, []byte(fmt.Sprintf("Hello %s", name)))
+	})
+
+	app.UseHandler(router)
+
+	go func() {
+		app.Error(app.Listen(":8080"))
+	}()
+	var wg sync.WaitGroup
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		request(tracer)
+	}()
+	wg.Wait()
+	// Output:
+	time.Sleep(time.Second)
+}
+
+func request(tracer *go2sky.Tracer) {
+	client, err := h.NewClient(tracer)
+	if err != nil {
+		log.Fatalf("create client error %v \n", err)
+	}
+	request, err := http.NewRequest("GET", "http://127.0.0.1:8080/user?name=gear", nil)
+	if err != nil {
+		log.Fatalf("unable to create http request: %+v\n", err)
+	}
+	res, err := client.Do(request)
+	if err != nil {
+		log.Fatalf("unable to do http request: %+v\n", err)
+	}
+	_ = res.Body.Close()
+}

plugins/gear/gear.go

+// Licensed to SkyAPM org under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. SkyAPM org 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 gear
+
+import (
+	"github.com/SkyAPM/go2sky"
+	"github.com/SkyAPM/go2sky/propagation"
+	v3 "github.com/SkyAPM/go2sky/reporter/grpc/language-agent"
+	"github.com/teambition/gear"
+	"strconv"
+	"time"
+)
+
+func Middleware(tracer *go2sky.Tracer) gear.Middleware {
+	return func(ctx *gear.Context) error {
+		if tracer == nil {
+			return nil
+		}
+
+		span, _, err := tracer.CreateEntrySpan(ctx, ctx.Path, func() (string, error) {
+			return ctx.GetHeader(propagation.Header), nil
+		})
+		if err != nil {
+			return nil
+		}
+
+		span.SetComponent(go2sky.ComponentIDHttpServer)
+		span.Tag(go2sky.TagHTTPMethod, ctx.Method)
+		span.Tag(go2sky.TagURL, ctx.Host+ctx.Path)
+		span.SetSpanLayer(v3.SpanLayer_Http)
+
+		ctx.OnEnd(func() {
+			code := ctx.Res.Status()
+			span.Tag(go2sky.TagStatusCode, strconv.Itoa(code))
+			if code >= 400 {
+				span.Error(time.Now(), string(ctx.Res.Body()))
+			}
+			span.End()
+		})
+		return nil
+	}
+}

plugins/gin/gin.go

@@ -31,10 +31,6 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-const (
-	httpServerComponentID int32 = 49
-)
-
 type routeInfo struct {
 	operationName string
 }
@@ -84,7 +80,7 @@ func Middleware(engine *gin.Engine, tracer *go2sky.Tracer) gin.HandlerFunc {
 			c.Next()
 			return
 		}
-		span.SetComponent(httpServerComponentID)
+		span.SetComponent(go2sky.ComponentIDHttpServer)
 		span.Tag(go2sky.TagHTTPMethod, c.Request.Method)
 		span.Tag(go2sky.TagURL, c.Request.Host+c.Request.URL.Path)
 		span.SetSpanLayer(v3.SpanLayer_Http)

plugins/http/server.go

@@ -30,8 +30,7 @@ import (
 )
 
 const (
-	httpServerComponentID int32 = 49
-	errInvalidTracer            = tool.Error("invalid tracer")
+	errInvalidTracer = tool.Error("invalid tracer")
 )
 
 type handler struct {
@@ -89,7 +88,7 @@ func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		}
 		return
 	}
-	span.SetComponent(httpServerComponentID)
+	span.SetComponent(go2sky.ComponentIDHttpServer)
 	for k, v := range h.extraTags {
 		span.Tag(go2sky.Tag(k), v)
 	}

span.go

@@ -157,3 +157,7 @@ const (
 	TagMQBroker        Tag = "mq.broker"
 	TagMQTopic         Tag = "mq.topic"
 )
+
+const (
+	ComponentIDHttpServer int32 = 49
+)