diff --git a/.gitignore b/.gitignore index 95497e634c24..6c834170f334 100644 --- a/.gitignore +++ b/.gitignore @@ -13,8 +13,6 @@ example/grpc/client/client example/grpc/server/server /example/http/client/client /example/http/server/server -/example/http-stackdriver/client/client -/example/http-stackdriver/server/server /example/jaeger/jaeger /example/namedtracer/namedtracer /example/prometheus/prometheus diff --git a/example/http-stackdriver/client/client.go b/example/http-stackdriver/client/client.go deleted file mode 100644 index 0595c9e044a8..000000000000 --- a/example/http-stackdriver/client/client.go +++ /dev/null @@ -1,98 +0,0 @@ -// Copyright 2019, OpenTelemetry Authors -// -// 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 ( - "context" - "fmt" - "io/ioutil" - "log" - "os" - - "net/http" - "time" - - "google.golang.org/grpc/codes" - - "go.opentelemetry.io/otel/api/correlation" - "go.opentelemetry.io/otel/api/global" - "go.opentelemetry.io/otel/api/key" - "go.opentelemetry.io/otel/api/trace" - "go.opentelemetry.io/otel/exporters/trace/stackdriver" - "go.opentelemetry.io/otel/plugin/httptrace" - sdktrace "go.opentelemetry.io/otel/sdk/trace" -) - -func initTracer() { - projectID := os.Getenv("PROJECT_ID") - - // Create Stackdriver exporter to be able to retrieve - // the collected spans. - exporter, err := stackdriver.NewExporter( - stackdriver.WithProjectID(projectID), - ) - if err != nil { - log.Fatal(err) - } - - // For the demonstration, use sdktrace.AlwaysSample sampler to sample all traces. - // In a production application, use sdktrace.ProbabilitySampler with a desired probability. - tp, err := sdktrace.NewProvider(sdktrace.WithConfig(sdktrace.Config{DefaultSampler: sdktrace.AlwaysSample()}), - sdktrace.WithSyncer(exporter)) - if err != nil { - log.Fatal(err) - } - global.SetTraceProvider(tp) -} - -func main() { - initTracer() - tr := global.TraceProvider().Tracer("stackdriver/example/client") - - client := http.DefaultClient - ctx := correlation.NewContext(context.Background(), - key.String("username", "donuts"), - ) - - var body []byte - - err := tr.WithSpan(ctx, "say hello", - func(ctx context.Context) error { - req, _ := http.NewRequest("GET", "http://localhost:7777/hello", nil) - - ctx, req = httptrace.W3C(ctx, req) - httptrace.Inject(ctx, req) - - fmt.Printf("Sending request...\n") - res, err := client.Do(req) - if err != nil { - panic(err) - } - body, err = ioutil.ReadAll(res.Body) - _ = res.Body.Close() - trace.SpanFromContext(ctx).SetStatus(codes.OK) - - return err - }) - - if err != nil { - panic(err) - } - - fmt.Printf("Response Received: %s\n\n\n", body) - fmt.Printf("Waiting for few seconds to export spans ...\n\n") - time.Sleep(10 * time.Second) - fmt.Println("Check traces on Stackdriver Trace") -} diff --git a/example/http-stackdriver/go.mod b/example/http-stackdriver/go.mod deleted file mode 100644 index 9f3964215a07..000000000000 --- a/example/http-stackdriver/go.mod +++ /dev/null @@ -1,14 +0,0 @@ -module go.opentelemetry.io/otel/example/http-stackdriver - -go 1.13 - -replace ( - go.opentelemetry.io/otel => ../.. - go.opentelemetry.io/otel/exporters/trace/stackdriver => ../../exporters/trace/stackdriver -) - -require ( - go.opentelemetry.io/otel v0.2.3 - go.opentelemetry.io/otel/exporters/trace/stackdriver v0.2.3 - google.golang.org/grpc v1.27.1 -) diff --git a/example/http-stackdriver/go.sum b/example/http-stackdriver/go.sum deleted file mode 100644 index d184968ed7d9..000000000000 --- a/example/http-stackdriver/go.sum +++ /dev/null @@ -1,266 +0,0 @@ -cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= -cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= -cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= -cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= -cloud.google.com/go v0.46.3 h1:AVXDdKsrtX33oR9fbCMu/+c1o8Ofjq6Ku/MInaLVg5Y= -cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= -cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= -cloud.google.com/go v0.53.0 h1:MZQCQQaRwOrAcuKjiHWHrgKykt4fZyuwF2dtiG3fGW8= -cloud.google.com/go v0.53.0/go.mod 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h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM= -google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc= -google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= -google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= -google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= -google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= -google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= -google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc= -google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc= -google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8= -google.golang.org/genproto v0.0.0-20191009194640-548a555dbc03 h1:4HYDjxeNXAOTv3o1N2tjo8UUSlhQgAD52FVkwxnWgM8= -google.golang.org/genproto v0.0.0-20191009194640-548a555dbc03/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= -google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= -google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= -google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= -google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= -google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= -google.golang.org/genproto v0.0.0-20200303153909-beee998c1893 h1:OTjq5CN+5TpMIvzqxSFCjbBX3jNKjX0XOPi4SdBxQU8= -google.golang.org/genproto v0.0.0-20200303153909-beee998c1893/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= -google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= -google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= -google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= -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/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= -google.golang.org/grpc v1.27.1 h1:zvIju4sqAGvwKspUQOhwnpcqSbzi7/H6QomNNjTL4sk= -google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= -gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= -gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo= -gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= -honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= -honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= -honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= -honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= -rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= -rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0= -rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= diff --git a/example/http-stackdriver/server/modd.conf b/example/http-stackdriver/server/modd.conf deleted file mode 100644 index ef61057a1a51..000000000000 --- a/example/http-stackdriver/server/modd.conf +++ /dev/null @@ -1,7 +0,0 @@ -# A basic modd.conf file for Go development. - -# Run go test on ALL modules on startup, and subsequently only on modules -# containing changes. -server.go { - daemon +sigterm: go run server.go -} diff --git a/example/http-stackdriver/server/server.go b/example/http-stackdriver/server/server.go deleted file mode 100644 index 476750ca7905..000000000000 --- a/example/http-stackdriver/server/server.go +++ /dev/null @@ -1,82 +0,0 @@ -// Copyright 2019, OpenTelemetry Authors -// -// 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 ( - "io" - "log" - "net/http" - "os" - - "go.opentelemetry.io/otel/api/correlation" - "go.opentelemetry.io/otel/api/global" - "go.opentelemetry.io/otel/api/trace" - "go.opentelemetry.io/otel/exporters/trace/stackdriver" - "go.opentelemetry.io/otel/plugin/httptrace" - sdktrace "go.opentelemetry.io/otel/sdk/trace" -) - -func initTracer() { - projectID := os.Getenv("PROJECT_ID") - - // Create Stackdriver exporter to be able to retrieve - // the collected spans. - exporter, err := stackdriver.NewExporter( - stackdriver.WithProjectID(projectID), - ) - if err != nil { - log.Fatal(err) - } - - // For the demonstration, use sdktrace.AlwaysSample sampler to sample all traces. - // In a production application, use sdktrace.ProbabilitySampler with a desired probability. - tp, err := sdktrace.NewProvider(sdktrace.WithConfig(sdktrace.Config{DefaultSampler: sdktrace.AlwaysSample()}), - sdktrace.WithSyncer(exporter)) - if err != nil { - log.Fatal(err) - } - global.SetTraceProvider(tp) -} - -func main() { - initTracer() - - tr := global.TraceProvider().Tracer("stackdriver/example/server") - - helloHandler := func(w http.ResponseWriter, req *http.Request) { - attrs, entries, spanCtx := httptrace.Extract(req.Context(), req) - - req = req.WithContext(correlation.ContextWithMap(req.Context(), correlation.NewMap(correlation.MapUpdate{ - MultiKV: entries, - }))) - - ctx, span := tr.Start( - trace.ContextWithRemoteSpanContext(req.Context(), spanCtx), - "hello", - trace.WithAttributes(attrs...), - ) - defer span.End() - - span.AddEvent(ctx, "handling this...") - - _, _ = io.WriteString(w, "Hello, world!\n") - } - - http.HandleFunc("/hello", helloHandler) - err := http.ListenAndServe(":7777", nil) - if err != nil { - panic(err) - } -} diff --git a/exporters/trace/stackdriver/go.mod b/exporters/trace/stackdriver/go.mod deleted file mode 100644 index e8aa0acc6955..000000000000 --- a/exporters/trace/stackdriver/go.mod +++ /dev/null @@ -1,18 +0,0 @@ -module go.opentelemetry.io/otel/exporters/trace/stackdriver - -go 1.13 - -replace go.opentelemetry.io/otel => ../../.. - -require ( - cloud.google.com/go v0.53.0 - github.com/golang/protobuf v1.3.4 - github.com/stretchr/testify v1.4.0 - go.opentelemetry.io/otel v0.2.3 - golang.org/x/net v0.0.0-20200301022130-244492dfa37a // indirect - golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d - golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527 // indirect - google.golang.org/api v0.20.0 - google.golang.org/genproto v0.0.0-20200303153909-beee998c1893 - google.golang.org/grpc v1.27.1 -) diff --git a/exporters/trace/stackdriver/go.sum b/exporters/trace/stackdriver/go.sum deleted file mode 100644 index a022f72452f7..000000000000 --- a/exporters/trace/stackdriver/go.sum +++ /dev/null @@ -1,263 +0,0 @@ -cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= -cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= -cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= -cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= -cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= -cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= -cloud.google.com/go v0.53.0 h1:MZQCQQaRwOrAcuKjiHWHrgKykt4fZyuwF2dtiG3fGW8= -cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M= -cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= -cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= -cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= -cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= -cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw= -cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= -cloud.google.com/go/storage v1.5.0/go.mod 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h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= -honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= -honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= -honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= -rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= -rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0= -rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= diff --git a/exporters/trace/stackdriver/stackdriver.go b/exporters/trace/stackdriver/stackdriver.go deleted file mode 100644 index 56ce2895604d..000000000000 --- a/exporters/trace/stackdriver/stackdriver.go +++ /dev/null @@ -1,238 +0,0 @@ -// Copyright 2019, OpenTelemetry Authors -// -// 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 stackdriver - -import ( - "context" - "errors" - "fmt" - "log" - "time" - - traceapi "cloud.google.com/go/trace/apiv2" - "golang.org/x/oauth2/google" - "google.golang.org/api/option" - - "go.opentelemetry.io/otel/api/key" - export "go.opentelemetry.io/otel/sdk/export/trace" -) - -// Option is function type that is passed to the exporter initialization function. -type Option func(*options) - -// options contains options for configuring the exporter. -type options struct { - // ProjectID is the identifier of the Stackdriver - // project the user is uploading the stats data to. - // If not set, this will default to your "Application Default Credentials". - // For details see: https://developers.google.com/accounts/docs/application-default-credentials. - // - // It will be used in the project_id label of a Stackdriver monitored - // resource if the resource does not inherently belong to a specific - // project, e.g. on-premise resource like k8s_container or generic_task. - ProjectID string - - // Location is the identifier of the GCP or AWS cloud region/zone in which - // the data for a resource is stored. - // If not set, it will default to the location provided by the metadata server. - // - // It will be used in the location label of a Stackdriver monitored resource - // if the resource does not inherently belong to a specific project, e.g. - // on-premise resource like k8s_container or generic_task. - Location string - - // OnError is the hook to be called when there is - // an error uploading the stats or tracing data. - // If no custom hook is set, errors are logged. - // Optional. - OnError func(err error) - - // MonitoringClientOptions are additional options to be passed - // to the underlying Stackdriver Monitoring API client. - // Optional. - MonitoringClientOptions []option.ClientOption - - // TraceClientOptions are additional options to be passed - // to the underlying Stackdriver Trace API client. - // Optional. - TraceClientOptions []option.ClientOption - - // TraceSpansBufferMaxBytes is the maximum size (in bytes) of spans that - // will be buffered in memory before being dropped. - // - // If unset, a default of 8MB will be used. - // TraceSpansBufferMaxBytes int - - // DefaultTraceAttributes will be appended to every span that is exported to - // Stackdriver Trace. - DefaultTraceAttributes map[string]interface{} - - // Context allows you to provide a custom context for API calls. - // - // This context will be used several times: first, to create Stackdriver - // trace and metric clients, and then every time a new batch of traces or - // stats needs to be uploaded. - // - // Do not set a timeout on this context. Instead, set the Timeout option. - // - // If unset, context.Background() will be used. - Context context.Context - - // SkipCMD enforces to skip all the CreateMetricDescriptor calls. - // These calls are important in order to configure the unit of the metrics, - // but in some cases all the exported metrics are builtin (unit is configured) - // or the unit is not important. - SkipCMD bool - - // Timeout for all API calls. If not set, defaults to 5 seconds. - Timeout time.Duration - - // ReportingInterval sets the interval between reporting metrics. - // If it is set to zero then default value is used. - ReportingInterval time.Duration - - // NumberOfWorkers sets the number of go rountines that send requests - // to Stackdriver Monitoring. This is only used for Proto metrics export - // for now. The minimum number of workers is 1. - NumberOfWorkers int -} - -// WithProjectID sets Google Cloud Platform project as projectID. -// Without using this option, it automatically detects the project ID -// from the default credential detection process. -// Please find the detailed order of the default credentail detection proecess on the doc: -// https://godoc.org/golang.org/x/oauth2/google#FindDefaultCredentials -func WithProjectID(projectID string) func(o *options) { - return func(o *options) { - o.ProjectID = projectID - } -} - -// WithOnError sets the hook to be called when there is an error -// occurred on uploading the span data to Stackdriver. -// If no custom hook is set, errors are logged. -func WithOnError(onError func(err error)) func(o *options) { - return func(o *options) { - o.OnError = onError - } -} - -// WithTraceClientOptions sets additionial client options for tracing. -func WithTraceClientOptions(opts []option.ClientOption) func(o *options) { - return func(o *options) { - o.TraceClientOptions = opts - } -} - -// WithContext sets the context that trace exporter and metric exporter -// relies on. -func WithContext(ctx context.Context) func(o *options) { - return func(o *options) { - o.Context = ctx - } -} - -// WithTimeout sets the timeout for trace exporter and metric exporter -func WithTimeout(t time.Duration) func(o *options) { - return func(o *options) { - o.Timeout = t - } -} - -func (o *options) handleError(err error) { - if o.OnError != nil { - o.OnError(err) - return - } - log.Printf("Failed to export to Stackdriver: %v", err) -} - -// defaultTimeout is used as default when timeout is not set in newContextWithTimout. -const defaultTimeout = 5 * time.Second - -// Exporter is a trace exporter that uploads data to Stackdriver. -// -// TODO(yoshifumi): add a metrics exporter once the spec definition -// process and the sampler implementation are done. -type Exporter struct { - traceExporter *traceExporter -} - -// NewExporter creates a new Exporter thats implements trace.Exporter. -// -// TODO(yoshifumi): add a metrics exporter one the spec definition -// process and the sampler implementation are done. -func NewExporter(opts ...Option) (*Exporter, error) { - o := options{Context: context.Background()} - for _, opt := range opts { - opt(&o) - } - if o.ProjectID == "" { - creds, err := google.FindDefaultCredentials(o.Context, traceapi.DefaultAuthScopes()...) - if err != nil { - return nil, fmt.Errorf("stackdriver: %v", err) - } - if creds.ProjectID == "" { - return nil, errors.New("stackdriver: no project found with application default credentials") - } - o.ProjectID = creds.ProjectID - } - te, err := newTraceExporter(&o) - if err != nil { - return nil, err - } - - return &Exporter{ - traceExporter: te, - }, nil -} - -func newContextWithTimeout(ctx context.Context, timeout time.Duration) (context.Context, func()) { - if timeout <= 0 { - timeout = defaultTimeout - } - return context.WithTimeout(ctx, timeout) -} - -// ExportSpan exports a SpanData to Stackdriver Trace. -func (e *Exporter) ExportSpan(ctx context.Context, sd *export.SpanData) { - if len(e.traceExporter.o.DefaultTraceAttributes) > 0 { - sd = e.sdWithDefaultTraceAttributes(sd) - } - e.traceExporter.ExportSpan(ctx, sd) -} - -// ExportSpans exports a slice of SpanData to Stackdriver Trace in batch -func (e *Exporter) ExportSpans(ctx context.Context, sds []*export.SpanData) { - e.traceExporter.ExportSpans(ctx, sds) -} - -func (e *Exporter) sdWithDefaultTraceAttributes(sd *export.SpanData) *export.SpanData { - newSD := *sd - for k, v := range e.traceExporter.o.DefaultTraceAttributes { - switch val := v.(type) { - case bool: - newSD.Attributes = append(newSD.Attributes, key.New(k).Bool(val)) - case int64: - newSD.Attributes = append(newSD.Attributes, key.New(k).Int64(val)) - case float64: - newSD.Attributes = append(newSD.Attributes, key.New(k).Float64(val)) - case string: - newSD.Attributes = append(newSD.Attributes, key.New(k).String(val)) - } - } - newSD.Attributes = append(newSD.Attributes, sd.Attributes...) - return &newSD -} diff --git a/exporters/trace/stackdriver/stackdriver_test.go b/exporters/trace/stackdriver/stackdriver_test.go deleted file mode 100644 index e529ab263c38..000000000000 --- a/exporters/trace/stackdriver/stackdriver_test.go +++ /dev/null @@ -1,159 +0,0 @@ -// Copyright 2019, OpenTelemetry Authors -// -// 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 stackdriver_test - -import ( - "context" - "flag" - "log" - "net" - "os" - "sync" - "testing" - "time" - - emptypb "github.com/golang/protobuf/ptypes/empty" - "github.com/stretchr/testify/assert" - "google.golang.org/api/option" - tracepb "google.golang.org/genproto/googleapis/devtools/cloudtrace/v2" - "google.golang.org/grpc" - - "go.opentelemetry.io/otel/api/global" - "go.opentelemetry.io/otel/exporters/trace/stackdriver" - sdktrace "go.opentelemetry.io/otel/sdk/trace" -) - -type mockTraceServer struct { - tracepb.TraceServiceServer - mu sync.Mutex - spansUploaded []*tracepb.Span - delay time.Duration -} - -func (s *mockTraceServer) BatchWriteSpans(ctx context.Context, req *tracepb.BatchWriteSpansRequest) (*emptypb.Empty, error) { - var err error - s.mu.Lock() - select { - case <-ctx.Done(): - err = ctx.Err() - case <-time.After(s.delay): - s.spansUploaded = append(s.spansUploaded, req.Spans...) - } - s.mu.Unlock() - return &emptypb.Empty{}, err -} - -func (s *mockTraceServer) len() int { - s.mu.Lock() - defer s.mu.Unlock() - return len(s.spansUploaded) -} - -// clientOpt is the option tests should use to connect to the test server. -// It is initialized by TestMain. -var clientOpt []option.ClientOption - -var ( - mockTrace mockTraceServer -) - -func TestMain(m *testing.M) { - flag.Parse() - - serv := grpc.NewServer() - tracepb.RegisterTraceServiceServer(serv, &mockTrace) - - lis, err := net.Listen("tcp", "localhost:0") - if err != nil { - log.Fatal(err) - } - go func() { - _ = serv.Serve(lis) - }() - - conn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure()) - if err != nil { - log.Fatal(err) - } - clientOpt = []option.ClientOption{option.WithGRPCConn(conn)} - - os.Exit(m.Run()) -} - -func TestExporter_ExportSpans(t *testing.T) { - // Initial test precondition - mockTrace.spansUploaded = nil - mockTrace.delay = 0 - - // Create StackDriver Exporter - exp, err := stackdriver.NewExporter( - stackdriver.WithProjectID("PROJECT_ID_NOT_REAL"), - stackdriver.WithTraceClientOptions(clientOpt), - ) - assert.NoError(t, err) - - tp, err := sdktrace.NewProvider( - sdktrace.WithConfig(sdktrace.Config{DefaultSampler: sdktrace.AlwaysSample()}), - sdktrace.WithBatcher(exp, // add following two options to ensure flush - sdktrace.WithScheduleDelayMillis(1), - sdktrace.WithMaxExportBatchSize(1), - )) - assert.NoError(t, err) - - global.SetTraceProvider(tp) - _, span := global.TraceProvider().Tracer("test-tracer").Start(context.Background(), "test-span") - span.End() - assert.True(t, span.SpanContext().IsValid()) - - // wait exporter to flush - time.Sleep(20 * time.Millisecond) - assert.EqualValues(t, 1, mockTrace.len()) -} - -func TestExporter_Timeout(t *testing.T) { - // Initial test precondition - mockTrace.spansUploaded = nil - mockTrace.delay = 20 * time.Millisecond - var exportErrors []error - - // Create StackDriver Exporter - exp, err := stackdriver.NewExporter( - stackdriver.WithProjectID("PROJECT_ID_NOT_REAL"), - stackdriver.WithTraceClientOptions(clientOpt), - stackdriver.WithTimeout(1*time.Millisecond), - stackdriver.WithOnError(func(err error) { - exportErrors = append(exportErrors, err) - }), - ) - assert.NoError(t, err) - - tp, err := sdktrace.NewProvider( - sdktrace.WithConfig(sdktrace.Config{DefaultSampler: sdktrace.AlwaysSample()}), - sdktrace.WithSyncer(exp)) - assert.NoError(t, err) - - global.SetTraceProvider(tp) - _, span := global.TraceProvider().Tracer("test-tracer").Start(context.Background(), "test-span") - span.End() - assert.True(t, span.SpanContext().IsValid()) - - assert.EqualValues(t, 0, mockTrace.len()) - if got, want := len(exportErrors), 1; got != want { - t.Fatalf("len(exportErrors) = %q; want %q", got, want) - } - if got, want := exportErrors[0].Error(), "rpc error: code = DeadlineExceeded desc = context deadline exceeded"; got != want { - t.Fatalf("err.Error() = %q; want %q", got, want) - } -} diff --git a/exporters/trace/stackdriver/trace.go b/exporters/trace/stackdriver/trace.go deleted file mode 100644 index 3e6f46aecec9..000000000000 --- a/exporters/trace/stackdriver/trace.go +++ /dev/null @@ -1,94 +0,0 @@ -// Copyright 2019, OpenTelemetry Authors -// -// 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 stackdriver - -import ( - "context" - "fmt" - - traceclient "cloud.google.com/go/trace/apiv2" - tracepb "google.golang.org/genproto/googleapis/devtools/cloudtrace/v2" - - export "go.opentelemetry.io/otel/sdk/export/trace" -) - -// traceExporter is an imeplementation of trace.Exporter and trace.BatchExporter -// that uploads spans to Stackdriver Trace in batch. -type traceExporter struct { - o *options - projectID string - // uploadFn defaults in uploadSpans; it can be replaced for tests. - uploadFn func(ctx context.Context, spans []*tracepb.Span) - client *traceclient.Client -} - -func newTraceExporter(o *options) (*traceExporter, error) { - client, err := traceclient.NewClient(o.Context, o.TraceClientOptions...) - if err != nil { - return nil, fmt.Errorf("stackdriver: couldn't initiate trace client: %v", err) - } - e := &traceExporter{ - projectID: o.ProjectID, - client: client, - o: o, - } - e.uploadFn = e.uploadSpans - return e, nil -} - -// ExportSpan exports a SpanData to Stackdriver Trace. -func (e *traceExporter) ExportSpan(ctx context.Context, sd *export.SpanData) { - protoSpan := protoFromSpanData(sd, e.projectID) - e.uploadFn(ctx, []*tracepb.Span{protoSpan}) -} - -// ExportSpans exports a slice of SpanData to Stackdriver Trace in batch -func (e *traceExporter) ExportSpans(ctx context.Context, sds []*export.SpanData) { - pbSpans := make([]*tracepb.Span, len(sds)) - for i, sd := range sds { - pbSpans[i] = protoFromSpanData(sd, e.projectID) - } - e.uploadFn(ctx, pbSpans) -} - -// uploadSpans sends a set of spans to Stackdriver. -func (e *traceExporter) uploadSpans(ctx context.Context, spans []*tracepb.Span) { - req := tracepb.BatchWriteSpansRequest{ - Name: "projects/" + e.projectID, - Spans: spans, - } - - var cancel func() - ctx, cancel = newContextWithTimeout(ctx, e.o.Timeout) - defer cancel() - - // TODO(ymotongpoo): add this part after OTel support NeverSampler - // for tracer.Start() initialization. - // - // tracer := apitrace.Register() - // ctx, span := tracer.Start( - // ctx, - // "go.opentelemetry.io/otel/exporters/stackdriver.uploadSpans", - // ) - // defer span.End() - // span.SetAttributes(key.New("num_spans").Int64(int64(len(spans)))) - - err := e.client.BatchWriteSpans(ctx, &req) - if err != nil { - // TODO(ymotongpoo): handle detailed error categories - // span.SetStatus(codes.Unknown) - e.o.handleError(err) - } -} diff --git a/exporters/trace/stackdriver/trace_proto.go b/exporters/trace/stackdriver/trace_proto.go deleted file mode 100644 index 30a0916cf7d4..000000000000 --- a/exporters/trace/stackdriver/trace_proto.go +++ /dev/null @@ -1,253 +0,0 @@ -// Copyright 2019, OpenTelemetry Authors -// -// 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 stackdriver - -import ( - "fmt" - "math" - "strconv" - "time" - "unicode/utf8" - - timestamppb "github.com/golang/protobuf/ptypes/timestamp" - wrapperspb "github.com/golang/protobuf/ptypes/wrappers" - tracepb "google.golang.org/genproto/googleapis/devtools/cloudtrace/v2" - statuspb "google.golang.org/genproto/googleapis/rpc/status" - "google.golang.org/grpc/codes" - - "go.opentelemetry.io/otel/api/core" - opentelemetry "go.opentelemetry.io/otel/sdk" - export "go.opentelemetry.io/otel/sdk/export/trace" -) - -const ( - maxAnnotationEventsPerSpan = 32 - // TODO(ymotongpoo): uncomment this after gRPC trace get supported. - // maxMessageEventsPerSpan = 128 - maxAttributeStringValue = 256 - agentLabel = "g.co/agent" - - // Attributes recorded on the span for the requests. - // Only trace exporters will need them. - HostAttribute = "http.host" - MethodAttribute = "http.method" - PathAttribute = "http.path" - URLAttribute = "http.url" - UserAgentAttribute = "http.user_agent" - StatusCodeAttribute = "http.status_code" - - labelHTTPHost = `/http/host` - labelHTTPMethod = `/http/method` - labelHTTPStatusCode = `/http/status_code` - labelHTTPPath = `/http/path` - labelHTTPUserAgent = `/http/user_agent` - - version = "0.2.3" -) - -var userAgent = fmt.Sprintf("opentelemetry-go %s; stackdriver-exporter %s", opentelemetry.Version(), version) - -func protoFromSpanData(s *export.SpanData, projectID string) *tracepb.Span { - if s == nil { - return nil - } - - traceIDString := s.SpanContext.TraceIDString() - spanIDString := s.SpanContext.SpanIDString() - - name := s.Name - switch s.SpanKind { - // TODO(ymotongpoo): add cases for "Send" and "Recv". - default: - name = fmt.Sprintf("Span.%s-%s", s.SpanKind, name) - } - - sp := &tracepb.Span{ - Name: "projects/" + projectID + "/traces/" + traceIDString + "/spans/" + spanIDString, - SpanId: spanIDString, - DisplayName: trunc(name, 128), - StartTime: timestampProto(s.StartTime), - EndTime: timestampProto(s.EndTime), - SameProcessAsParentSpan: &wrapperspb.BoolValue{Value: !s.HasRemoteParent}, - } - if s.ParentSpanID != s.SpanContext.SpanID && s.ParentSpanID.IsValid() { - sp.ParentSpanId = fmt.Sprintf("%.16x", s.ParentSpanID) - } - if s.Status != codes.OK { - sp.Status = &statuspb.Status{Code: int32(s.Status)} - } - - copyAttributes(&sp.Attributes, s.Attributes) - // NOTE(ymotongpoo): omitting copyMonitoringReesourceAttributes() - - var annotations, droppedAnnotationsCount int - es := s.MessageEvents - for i, e := range es { - if annotations >= maxAnnotationEventsPerSpan { - droppedAnnotationsCount = len(es) - i - break - } - annotation := &tracepb.Span_TimeEvent_Annotation{Description: trunc(e.Name, maxAttributeStringValue)} - copyAttributes(&annotation.Attributes, e.Attributes) - event := &tracepb.Span_TimeEvent{ - Time: timestampProto(e.Time), - Value: &tracepb.Span_TimeEvent_Annotation_{Annotation: annotation}, - } - annotations++ - if sp.TimeEvents == nil { - sp.TimeEvents = &tracepb.Span_TimeEvents{} - } - sp.TimeEvents.TimeEvent = append(sp.TimeEvents.TimeEvent, event) - } - - if sp.Attributes == nil { - sp.Attributes = &tracepb.Span_Attributes{ - AttributeMap: make(map[string]*tracepb.AttributeValue), - } - } - - // Only set the agent label if it is not already set. That enables the - // OpenTelemery service/collector to set the agent label based on the library that - // sent the span to the service. - if _, hasAgent := sp.Attributes.AttributeMap[agentLabel]; !hasAgent { - sp.Attributes.AttributeMap[agentLabel] = &tracepb.AttributeValue{ - Value: &tracepb.AttributeValue_StringValue{ - StringValue: trunc(userAgent, maxAttributeStringValue), - }, - } - } - - // TODO(ymotongpoo): add implementations for Span_TimeEvent_MessageEvent_ - // once OTel finish implementations for gRPC. - - if droppedAnnotationsCount != 0 { - if sp.TimeEvents == nil { - sp.TimeEvents = &tracepb.Span_TimeEvents{} - } - sp.TimeEvents.DroppedAnnotationsCount = clip32(droppedAnnotationsCount) - } - - // TODO(ymotongpoo): add implementations for Links - - return sp -} - -// timestampProto creates a timestamp proto for a time.Time. -func timestampProto(t time.Time) *timestamppb.Timestamp { - return ×tamppb.Timestamp{ - Seconds: t.Unix(), - Nanos: int32(t.Nanosecond()), - } -} - -// copyAttributes copies a map of attributes to a proto map field. -// It creates the map if it is nil. -func copyAttributes(out **tracepb.Span_Attributes, in []core.KeyValue) { - if len(in) == 0 { - return - } - if *out == nil { - *out = &tracepb.Span_Attributes{} - } - if (*out).AttributeMap == nil { - (*out).AttributeMap = make(map[string]*tracepb.AttributeValue) - } - var dropped int32 - for _, kv := range in { - av := attributeValue(kv) - if av == nil { - continue - } - switch kv.Key { - case PathAttribute: - (*out).AttributeMap[labelHTTPPath] = av - case HostAttribute: - (*out).AttributeMap[labelHTTPHost] = av - case MethodAttribute: - (*out).AttributeMap[labelHTTPMethod] = av - case UserAgentAttribute: - (*out).AttributeMap[labelHTTPUserAgent] = av - case StatusCodeAttribute: - (*out).AttributeMap[labelHTTPStatusCode] = av - default: - if len(kv.Key) > 128 { - dropped++ - continue - } - (*out).AttributeMap[string(kv.Key)] = av - } - } - (*out).DroppedAttributesCount = dropped -} - -func attributeValue(kv core.KeyValue) *tracepb.AttributeValue { - value := kv.Value - switch value.Type() { - case core.BOOL: - return &tracepb.AttributeValue{ - Value: &tracepb.AttributeValue_BoolValue{BoolValue: value.AsBool()}, - } - case core.INT64: - return &tracepb.AttributeValue{ - Value: &tracepb.AttributeValue_IntValue{IntValue: value.AsInt64()}, - } - case core.FLOAT64: - // TODO: set double value if Stackdriver Trace support it in the future. - return &tracepb.AttributeValue{ - Value: &tracepb.AttributeValue_StringValue{ - StringValue: trunc(strconv.FormatFloat(value.AsFloat64(), 'f', -1, 64), - maxAttributeStringValue)}, - } - case core.STRING: - return &tracepb.AttributeValue{ - Value: &tracepb.AttributeValue_StringValue{StringValue: trunc(value.AsString(), maxAttributeStringValue)}, - } - } - return nil -} - -// trunc returns a TruncatableString truncated to the given limit. -func trunc(s string, limit int) *tracepb.TruncatableString { - if len(s) > limit { - b := []byte(s[:limit]) - for { - r, size := utf8.DecodeLastRune(b) - if r == utf8.RuneError && size == 1 { - b = b[:len(b)-1] - } else { - break - } - } - return &tracepb.TruncatableString{ - Value: string(b), - TruncatedByteCount: clip32(len(s) - len(b)), - } - } - return &tracepb.TruncatableString{ - Value: s, - TruncatedByteCount: 0, - } -} - -// clip32 clips an int to the range of an int32. -func clip32(x int) int32 { - if x < math.MinInt32 { - return math.MinInt32 - } - if x > math.MaxInt32 { - return math.MaxInt32 - } - return int32(x) -}