ory · claudio-benfatto · May 22, 2020
@@ -19,6 +19,7 @@ import (
 	"github.com/ory/analytics-go/v4"
 	"github.com/ory/graceful"
 	"github.com/ory/viper"
+	"go.opentelemetry.io/otel/plugin/httptrace"
 
 	"github.com/ory/x/corsx"
 	"github.com/ory/x/healthx"
@@ -44,7 +45,10 @@ func runProxy(d driver.Driver, n *negroni.Negroni, logger *logrus.Logger, prom *
 		}
 
 		n.Use(metrics.NewMiddleware(prom, "oathkeeper-proxy").ExcludePaths(healthx.ReadyCheckPath, healthx.AliveCheckPath))
-		n.Use(reqlog.NewMiddlewareFromLogger(logger, "oathkeeper-proxy").ExcludePaths(healthx.ReadyCheckPath, healthx.AliveCheckPath))
+		proxyLogger := addOpenTracingFields(
+			reqlog.NewMiddlewareFromLogger(logger, "oathkeeper-proxy").ExcludePaths(healthx.ReadyCheckPath, healthx.AliveCheckPath),
+		)
+		n.Use(proxyLogger)
 		n.UseHandler(handler)
 
 		h := corsx.Initialize(n, logger, "serve.proxy")
@@ -83,7 +87,10 @@ func runAPI(d driver.Driver, n *negroni.Negroni, logger *logrus.Logger, prom *me
 		d.Registry().CredentialHandler().SetRoutes(router)
 
 		n.Use(metrics.NewMiddleware(prom, "oathkeeper-api").ExcludePaths(healthx.ReadyCheckPath, healthx.AliveCheckPath))
-		n.Use(reqlog.NewMiddlewareFromLogger(logger, "oathkeeper-api").ExcludePaths(healthx.ReadyCheckPath, healthx.AliveCheckPath))
+		apiLogger := addOpenTracingFields(
+			reqlog.NewMiddlewareFromLogger(logger, "oathkeeper-api").ExcludePaths(healthx.ReadyCheckPath, healthx.AliveCheckPath),
+		)
+		n.Use(apiLogger)
 		n.Use(d.Registry().DecisionHandler()) // This needs to be the last entry, otherwise the judge API won't work
 
 		n.UseHandler(router)
@@ -174,6 +181,26 @@ func isDevelopment(c configuration.Provider) bool {
 	return len(c.AccessRuleRepositories()) == 0
 }
 
+func addOpenTracingFields(logger *reqlog.Middleware) *reqlog.Middleware {
+	// To avoid cyclic execution
+	before := logger.Before
+	logger.Before = func(entry *logrus.Entry, r *http.Request, remoteAddr string) *logrus.Entry {
+		fields := before(entry, r, remoteAddr)
+
+		_, _, spanCtx := httptrace.Extract(r.Context(), r)
+
+		if spanCtx.HasTraceID() {
+			fields = fields.WithField("trace_id", spanCtx.TraceID)
+		}
+		if spanCtx.HasSpanID() {
+			fields = fields.WithField("span_id", spanCtx.SpanID)
+		}
+
+		return fields
+	}
+	return logger
+}
+
 func RunServe(version, build, date string) func(cmd *cobra.Command, args []string) {
 	return func(cmd *cobra.Command, args []string) {
 		fmt.Println(banner(version))

@@ -0,0 +1,99 @@
+package server
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/julienschmidt/httprouter"
+	"github.com/ory/x/reqlog"
+	"github.com/sirupsen/logrus"
+	"github.com/sirupsen/logrus/hooks/test"
+	"go.opentelemetry.io/otel/api/trace"
+	"gotest.tools/assert"
+
+	"github.com/urfave/negroni"
+)
+
+func TracingApp(logger *reqlog.Middleware) http.Handler {
+	n := negroni.Classic()
+	n.Use(logger)
+
+	r := httprouter.New()
+
+	r.GET("/", func(res http.ResponseWriter, req *http.Request, p httprouter.Params) {
+		fmt.Fprint(res, "Test OpenTracing logs")
+	})
+	n.UseHandler(r)
+	return n
+}
+
+var tracingParams = []struct {
+	name           string
+	traceID        string
+	spanID         string
+	tracingIsValid bool
+}{
+	{"with valid tracing", "82c5500f40667e5500e9ae8e9711553c", "992631f881f78c3b", true},
+	{"with invalid tracing", "invalid", "invalid", false},
+}
+
+func TestLogTracingDecorator(t *testing.T) {
+	for _, tt := range tracingParams {
+		t.Run(tt.name, func(t *testing.T) {
+			logger, hook := test.NewNullLogger()
+			tracingLogger := reqlog.NewMiddlewareFromLogger(logger, "test-opentracing")
+			// add before function to simulate pre-existing behaviour
+			tracingLogger.Before = func(entry *logrus.Entry, r *http.Request, remoteAddr string) *logrus.Entry {
+				return entry.WithField("before_tracing", "value")
+			}
+			// then add pre-existing fields
+			tracingLogger = addOpenTracingFields(tracingLogger)
+			ts := httptest.NewServer(TracingApp(tracingLogger))
+			defer ts.Close()
+			req, err := http.NewRequest("GET", ts.URL, nil)
+			if err != nil {
+				t.Fatal(err)
+			}
+			req.Header.Set("traceparent", fmt.Sprintf("00-%s-%s-01", tt.traceID, tt.spanID))
+			client := &http.Client{}
+			res, err := client.Do(req)
+			if err != nil {
+				t.Fatal(err)
+			}
+			body, err := ioutil.ReadAll(res.Body)
+			res.Body.Close()
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			exp := "Test OpenTracing logs"
+			if exp != string(body) {
+				t.Fatalf("Expected body content: %s got: %s", exp, body)
+			}
+			for _, entry := range hook.Entries {
+				// the first before should always be called
+				if _, ok := entry.Data["before_tracing"]; !ok {
+					t.Fatalf("Cannot extract before_tracing field from the log entry. Previous BeforeFunc was not called correctly")
+				}
+
+				if traceID, ok := entry.Data["trace_id"]; !ok {
+					assert.Equal(t, false, tt.tracingIsValid)
+				} else {
+					traceID, ok := traceID.(trace.ID)
+					if !ok {
+						t.Fatalf("Cannot extract trace id from log entry. Expected %s", traceID)
+					}
+					spanID, ok := entry.Data["span_id"].(trace.SpanID)
+					if !ok && tt.tracingIsValid {
+						t.Fatalf("Cannot extract span id from log entry. Expected %s", spanID)
+					}
+					assert.Equal(t, tt.traceID, fmt.Sprintf("%s", traceID))
+					assert.Equal(t, tt.spanID, fmt.Sprintf("%s", spanID))
+				}
+			}
+		})
+	}
+}
@@ -59,10 +59,12 @@ require (
 	github.com/tomasen/realip v0.0.0-20180522021738-f0c99a92ddce
 	github.com/urfave/negroni v1.0.0
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
+	go.opentelemetry.io/otel v0.5.0
 	golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 	golang.org/x/tools v0.0.0-20200325203130-f53864d0dba1
 	gopkg.in/square/go-jose.v2 v2.3.1
+	gotest.tools v2.2.0+incompatible
 )
 
 go 1.13
@@ -15,6 +15,8 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
+github.com/DataDog/sketches-go v0.0.0-20190923095040-43f19ad77ff7 h1:qELHH0AWCvf98Yf+CNIJx9vOZOfHFDDzgDRYsnNk/vs=
+github.com/DataDog/sketches-go v0.0.0-20190923095040-43f19ad77ff7/go.mod h1:Q5DbzQ+3AkgGwymQO7aZFNP7ns2lZKGtvRBzRXfdi60=
 github.com/Masterminds/goutils v1.1.0 h1:zukEsf/1JZwCMgHiK3GZftabmxiCw4apj3a28RPBiVg=
 github.com/Masterminds/goutils v1.1.0/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
 github.com/Masterminds/semver v1.4.2 h1:WBLTQ37jOCzSLtXNdoo8bNM8876KhNqOKvrlGITgsTc=
@@ -49,6 +51,8 @@ github.com/auth0/go-jwt-middleware v0.0.0-20170425171159-5493cabe49f7 h1:irR1cO6
 github.com/auth0/go-jwt-middleware v0.0.0-20170425171159-5493cabe49f7/go.mod h1:LWMyo4iOLWXHGdBki7NIht1kHru/0wM179h+d3g8ATM=
 github.com/aws/aws-sdk-go v1.23.19/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-xray-sdk-go v0.9.4/go.mod h1:XtMKdBQfpVut+tJEwI7+dJFRxxRdxHDyVNp2tHXRq04=
+github.com/benbjohnson/clock v1.0.0 h1:78Jk/r6m4wCi6sndMpty7A//t4dw/RW5fV4ZgDVfX1w=
+github.com/benbjohnson/clock v1.0.0/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -64,6 +68,7 @@ github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEe
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/cenkalti/backoff/v3 v3.0.0 h1:ske+9nBpD9qZsTBoF41nW5L+AIuFBKMeze18XQ3eG1c=
 github.com/cenkalti/backoff/v3 v3.0.0/go.mod h1:cIeZDE3IrqwwJl6VUwCN6trj1oXrTS4rc0ij+ULvLYs=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
@@ -119,6 +124,8 @@ github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:Htrtb
 github.com/dustin/go-humanize v0.0.0-20180713052910-9f541cc9db5d/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/elazarl/goproxy v0.0.0-20181003060214-f58a169a71a5/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
+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/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
 github.com/fatih/structs v1.0.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
@@ -478,6 +485,7 @@ github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/gofuzz v1.0.0 h1:A8PeW59pxE9IoFRqBp37U+mSNaQoZ46F1f0f863XSXw=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
@@ -730,6 +738,8 @@ github.com/opencontainers/runc v1.0.0-rc9/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rm
 github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
 github.com/opentracing/opentracing-go v1.1.0 h1:pWlfV3Bxv7k65HYwkikxat0+s3pV4bsqf19k25Ur8rU=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
+github.com/opentracing/opentracing-go v1.1.1-0.20190913142402-a7454ce5950e h1:fI6mGTyggeIYVmGhf80XFHxTupjOexbCppgTNDkv9AA=
+github.com/opentracing/opentracing-go v1.1.1-0.20190913142402-a7454ce5950e/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
 github.com/ory/analytics-go/v4 v4.0.0 h1:KQ2P00j9dbj4lDC/Albw/zn/scK67041RhqeW5ptsbw=
 github.com/ory/analytics-go/v4 v4.0.0/go.mod h1:FMx9cLRD9xN+XevPvZ5FDMfignpmcqPP6FUKnJ9/MmE=
 github.com/ory/analytics-go/v4 v4.0.1 h1:kKB2Mk8W0N23ZQCBHZ4wB6NQB6RxlxqzZB9LmSQ3Mho=
@@ -763,10 +773,6 @@ github.com/ory/jsonschema/v3 v3.0.1/go.mod h1:jgLHekkFk0uiGdEWGleC+tOm6JSSP8cbf1
 github.com/ory/ladon v1.1.0 h1:6tgazU2J3Z3odPs1f0qn729kRXCAtlJROliuWUHedV0=
 github.com/ory/ladon v1.1.0/go.mod h1:25bNc/Glx/8xCH7MbItDxjvviAmFQ+aYxb1V1SE5wlg=
 github.com/ory/pagination v0.0.1/go.mod h1:d1ToRROAUleriPhmb2dYbhANhhLwZ8s395m2yJCDFh8=
-github.com/ory/sdk/swagutil v0.0.0-20200505101021-3f40b808145c h1:xxLzUYgOhUfui6LXZrzNnVc2MKV6D1+Vxj0Mx2eoKs4=
-github.com/ory/sdk/swagutil v0.0.0-20200505101021-3f40b808145c/go.mod h1:Ufg1eAyz+Zt3+oweSZVThG13ewewWCKwBmoNmK8Z0co=
-github.com/ory/sdk/swagutil v0.0.0-20200507102242-fc16e4eb1f31 h1:2Tg6P/TspZl+eZC40olvz1qNCNAewNlhJ6/uIJ8fyZ0=
-github.com/ory/sdk/swagutil v0.0.0-20200507102242-fc16e4eb1f31/go.mod h1:Ufg1eAyz+Zt3+oweSZVThG13ewewWCKwBmoNmK8Z0co=
 github.com/ory/sdk/swagutil v0.0.0-20200508110558-16957df12672 h1:3KTFyxZt6USQGmeQliC2w9MjSrmxaMqjoPNOaQ82API=
 github.com/ory/sdk/swagutil v0.0.0-20200508110558-16957df12672/go.mod h1:Ufg1eAyz+Zt3+oweSZVThG13ewewWCKwBmoNmK8Z0co=
 github.com/ory/viper v1.5.6/go.mod h1:TYmpFpKLxjQwvT4f0QPpkOn4sDXU1kDgAwJpgLYiQ28=
@@ -806,6 +812,7 @@ github.com/prometheus/client_golang v1.5.0 h1:Ctq0iGpCmr3jeP77kbF2UxgvRwzWWz+4Bh
 github.com/prometheus/client_golang v1.5.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2dUR+/W/M=
 github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
@@ -976,6 +983,8 @@ go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qL
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.1/go.mod h1:Ap50jQcDJrx6rB6VgeeFPtuPIf3wMRvRfrfYDO6+BmA=
+go.opentelemetry.io/otel v0.5.0 h1:tdIR1veg/z+VRJaw/6SIxz+QX3l+m+BDleYLTs+GC1g=
+go.opentelemetry.io/otel v0.5.0/go.mod h1:jzBIgIzK43Iu1BpDAXwqOd6UPsSAk+ewVZ5ofSXw4Ek=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.1 h1:rsqfU5vBkVknbhUGbAUwQKR2H4ItV8tjJ+6kJX4cxHM=
@@ -1239,11 +1248,16 @@ google.golang.org/genproto v0.0.0-20190626174449-989357319d63/go.mod h1:z3L6/3dT
 google.golang.org/genproto v0.0.0-20190708153700-3bdd9d9f5532/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
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