Merge pull request #103 from synyx/otel-replace-jaeger

tracing, replace jaeger protocol with otel

go.mod

@@ -9,30 +9,38 @@ require (
 	github.com/go-logr/stdr v1.2.2
 	github.com/prometheus/client_golang v1.16.0
 	github.com/uptrace/opentelemetry-go-extra/otelzap v0.2.2
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0
-	go.opentelemetry.io/otel v1.16.0
-	go.opentelemetry.io/otel/exporters/jaeger v1.16.0
-	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.16.0
-	go.opentelemetry.io/otel/sdk v1.16.0
-	go.opentelemetry.io/otel/trace v1.16.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.43.0
+	go.opentelemetry.io/otel v1.17.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.17.0
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.17.0
+	go.opentelemetry.io/otel/sdk v1.17.0
+	go.opentelemetry.io/otel/trace v1.17.0
 	go.uber.org/zap v1.25.0
 	golang.org/x/net v0.14.0
 	golang.org/x/oauth2 v0.11.0
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/felixge/httpsnoop v1.0.3 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.17.1 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/prometheus/client_model v0.4.0 // indirect
 	github.com/prometheus/common v0.44.0 // indirect
 	github.com/prometheus/procfs v0.11.1 // indirect
 	github.com/uptrace/opentelemetry-go-extra/otelutil v0.2.2 // indirect
-	go.opentelemetry.io/otel/metric v1.16.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.17.0 // indirect
+	go.opentelemetry.io/otel/metric v1.17.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/sys v0.11.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
+	google.golang.org/grpc v1.57.0 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
 )

go.sum

@@ -4,6 +4,8 @@ github.com/benbjohnson/clock v1.3.5 h1:VvXlSJBzZpA/zum6Sj74hxwYI2DIxRWuNIoXAzHZz
 github.com/benbjohnson/clock v1.3.5/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
+github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -14,13 +16,16 @@ github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
 github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/golang/glog v1.1.0 h1:/d3pCKDPWNnvIWe0vVUpNP32qc8U3PDVxySP/y360qE=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.17.1 h1:LSsiG61v9IzzxMkqEr6nrix4miJI62xlRjwT7BYD2SM=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.17.1/go.mod h1:Hbb13e3/WtqQ8U5hLGkek9gJvBLasHuPFI0UEGfnQ10=
 github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
 github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -32,26 +37,29 @@ github.com/prometheus/common v0.44.0 h1:+5BrQJwiBB9xsMygAB3TNvpQKOwlkc25LbISbrdO
 github.com/prometheus/common v0.44.0/go.mod h1:ofAIvZbQ1e/nugmZGz4/qCb9Ap1VoSTIO7x0VV9VvuY=
 github.com/prometheus/procfs v0.11.1 h1:xRC8Iq1yyca5ypa9n1EZnWZkt7dwcoRPQwX/5gwaUuI=
 github.com/prometheus/procfs v0.11.1/go.mod h1:eesXgaPo1q7lBpVMoMy0ZOFTth9hBn4W/y0/p/ScXhY=
-github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
-github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/uptrace/opentelemetry-go-extra/otelutil v0.2.2 h1:CNznWHkrbA6o1q2H/BsH4tIHf4zbKNtndeoV+AH8z0U=
 github.com/uptrace/opentelemetry-go-extra/otelutil v0.2.2/go.mod h1:7YSrHCmYPHIXjTWnKSU7EGT0TFEcm3WwSeQquwCGg38=
 github.com/uptrace/opentelemetry-go-extra/otelzap v0.2.2 h1:uyrW06oJi4iWvhjPLVfk4qrSP2Zm0AMozKKDmp6i4pE=
 github.com/uptrace/opentelemetry-go-extra/otelzap v0.2.2/go.mod h1:PMAs2dNxP55lgt6xu0if+Jasm6s+Xpmqn6ev1NyDfnI=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0 h1:pginetY7+onl4qN1vl0xW/V/v6OBZ0vVdH+esuJgvmM=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0/go.mod h1:XiYsayHc36K3EByOO6nbAXnAWbrUxdjUROCEeeROOH8=
-go.opentelemetry.io/otel v1.16.0 h1:Z7GVAX/UkAXPKsy94IU+i6thsQS4nb7LviLpnaNeW8s=
-go.opentelemetry.io/otel v1.16.0/go.mod h1:vl0h9NUa1D5s1nv3A5vZOYWn8av4K8Ml6JDeHrT/bx4=
-go.opentelemetry.io/otel/exporters/jaeger v1.16.0 h1:YhxxmXZ011C0aDZKoNw+juVWAmEfv/0W2XBOv9aHTaA=
-go.opentelemetry.io/otel/exporters/jaeger v1.16.0/go.mod h1:grYbBo/5afWlPpdPZYhyn78Bk04hnvxn2+hvxQhKIQM=
-go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.16.0 h1:+XWJd3jf75RXJq29mxbuXhCXFDG3S3R4vBUeSI2P7tE=
-go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.16.0/go.mod h1:hqgzBPTf4yONMFgdZvL/bK42R/iinTyVQtiWihs3SZc=
-go.opentelemetry.io/otel/metric v1.16.0 h1:RbrpwVG1Hfv85LgnZ7+txXioPDoh6EdbZHo26Q3hqOo=
-go.opentelemetry.io/otel/metric v1.16.0/go.mod h1:QE47cpOmkwipPiefDwo2wDzwJrlfxxNYodqc4xnGCo4=
-go.opentelemetry.io/otel/sdk v1.16.0 h1:Z1Ok1YsijYL0CSJpHt4cS3wDDh7p572grzNrBMiMWgE=
-go.opentelemetry.io/otel/sdk v1.16.0/go.mod h1:tMsIuKXuuIWPBAOrH+eHtvhTL+SntFtXF9QD68aP6p4=
-go.opentelemetry.io/otel/trace v1.16.0 h1:8JRpaObFoW0pxuVPapkgH8UhHQj+bJW8jJsCZEu5MQs=
-go.opentelemetry.io/otel/trace v1.16.0/go.mod h1:Yt9vYq1SdNz3xdjZZK7wcXv1qv2pwLkqr2QVwea0ef0=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.43.0 h1:HKORGpiOY0R0nAPtKx/ub8/7XoHhRooP8yNRkuPfelI=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.43.0/go.mod h1:e+y1M74SYXo/FcIx3UATwth2+5dDkM8dBi7eXg1tbw8=
+go.opentelemetry.io/otel v1.17.0 h1:MW+phZ6WZ5/uk2nd93ANk/6yJ+dVrvNWUjGhnnFU5jM=
+go.opentelemetry.io/otel v1.17.0/go.mod h1:I2vmBGtFaODIVMBSTPVDlJSzBDNf93k60E6Ft0nyjo0=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.17.0 h1:U5GYackKpVKlPrd/5gKMlrTlP2dCESAAFU682VCpieY=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.17.0/go.mod h1:aFsJfCEnLzEu9vRRAcUiB/cpRTbVsNdF3OHSPpdjxZQ=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.17.0 h1:kvWMtSUNVylLVrOE4WLUmBtgziYoCIYUNSpTYtMzVJI=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.17.0/go.mod h1:SExUrRYIXhDgEKG4tkiQovd2HTaELiHUsuK08s5Nqx4=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.17.0 h1:Ut6hgtYcASHwCzRHkXEtSsM251cXJPW+Z9DyLwEn6iI=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.17.0/go.mod h1:TYeE+8d5CjrgBa0ZuRaDeMpIC1xZ7atg4g+nInjuSjc=
+go.opentelemetry.io/otel/metric v1.17.0 h1:iG6LGVz5Gh+IuO0jmgvpTB6YVrCGngi8QGm+pMd8Pdc=
+go.opentelemetry.io/otel/metric v1.17.0/go.mod h1:h4skoxdZI17AxwITdmdZjjYJQH5nzijUUjm+wtPph5o=
+go.opentelemetry.io/otel/sdk v1.17.0 h1:FLN2X66Ke/k5Sg3V623Q7h7nt3cHXaW1FOvKKrW0IpE=
+go.opentelemetry.io/otel/sdk v1.17.0/go.mod h1:U87sE0f5vQB7hwUoW98pW5Rz4ZDuCFBZFNUBlSgmDFQ=
+go.opentelemetry.io/otel/trace v1.17.0 h1:/SWhSRHmDPOImIAetP1QAeMnZYiQXrTy4fMMYOdSKWQ=
+go.opentelemetry.io/otel/trace v1.17.0/go.mod h1:I/4vKTgFclIsXRVucpH25X0mpFSczM7aHeaz0ZBLWjY=
+go.opentelemetry.io/proto/otlp v1.0.0 h1:T0TX0tmXU8a3CbNXzEKGeU5mIVOdf0oykP+u2lIVU/I=
+go.opentelemetry.io/proto/otlp v1.0.0/go.mod h1:Sy6pihPLfYHkr3NkUbEhGHFhINUSI/v80hjKIs5JXpM=
 go.uber.org/goleak v1.2.0 h1:xqgm/S+aQvhWFTtR0XK3Jvg7z8kGV8P4X14IzwN3Eqk=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
@@ -65,14 +73,23 @@ golang.org/x/oauth2 v0.11.0 h1:vPL4xzxBM4niKCW6g9whtaWVXTJf1U5e4aZxxFx/gbU=
 golang.org/x/oauth2 v0.11.0/go.mod h1:LdF7O/8bLR/qWK9DrpXmbHLTouvRHK0SgJl0GmDBchk=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
-golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/genproto v0.0.0-20230803162519-f966b187b2e5 h1:L6iMMGrtzgHsWofoFcihmDEMYeDR9KN/ThbPWGrh++g=
+google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d h1:DoPTO70H+bcDXcd39vOqb2viZxgqeBeSGtZ55yZU4/Q=
+google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d/go.mod h1:KjSP20unUpOx5kyQUFa7k4OJg0qeJ7DEZflGDu2p6Bk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d h1:uvYuEyMHKNt+lT4K3bN6fGswmK8qSvcreM3BwjDh+y4=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d/go.mod h1:+Bk1OCOj40wS2hwAMA+aCW9ypzm63QTBBHp6lQ3p+9M=
+google.golang.org/grpc v1.57.0 h1:kfzNeI/klCGD2YPMUlaGNT3pxvYfga7smW3Vth8Zsiw=
+google.golang.org/grpc v1.57.0/go.mod h1:Sd+9RMTACXwmub0zcNY2c4arhtrbBYD1AUHI/dt16Mo=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=

pkg/config/config.go

@@ -32,12 +32,13 @@ var fAddr = flag.String("addr", "127.0.0.1:8988", "Bind web application port")
 var fMgmtAddr = flag.String("mgmtAddr", "127.0.0.1:8987", "Bind management port")
 var fConfigFile = flag.String("conf", "/etc/tuwat.toml", "Configuration file")
 var fDashboardDir = flag.String("dashboards", "/etc/tuwat.d", "Dashboard Configuration Directory")
+var fOtelUrl = flag.String("otelUrl", "", "OTEL tracing endpoint URL")
 
 type Config struct {
 	WebAddr        string
 	ManagementAddr string
 	Environment    string
-	JaegerUrl      string
+	OtelUrl        string
 	Instance       string
 	PrintVersion   bool
 	Logger         zap.Config
@@ -129,6 +130,12 @@ func NewConfiguration() (*Config, error) {
 		*fDashboardDir = value
 	}
 
+	if value, ok := os.LookupEnv("TUWAT_OTEL_URL"); ok {
+		cfg.OtelUrl = value
+	} else {
+		cfg.OtelUrl = *fOtelUrl
+	}
+
 	err := cfg.loadMainConfig(*fConfigFile)
 
 	err = filepath.WalkDir(*fDashboardDir, func(path string, d fs.DirEntry, err error) error {

pkg/log/telemetry.go

@@ -3,27 +3,28 @@ package log
 import (
 	"context"
 	"io"
-	"log"
+	"net/url"
 	"time"
 
 	"github.com/synyx/tuwat/pkg/config"
 	"github.com/synyx/tuwat/pkg/version"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/exporters/jaeger"
+	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
 	stdout "go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
 	"go.opentelemetry.io/otel/propagation"
 	"go.opentelemetry.io/otel/sdk/resource"
 	tracesdk "go.opentelemetry.io/otel/sdk/trace"
 	semconv "go.opentelemetry.io/otel/semconv/v1.10.0"
 	"go.opentelemetry.io/otel/trace"
+	"go.uber.org/zap"
 )
 
 func InitializeTracer(appCtx context.Context, cfg *config.Config) trace.Tracer {
 	var tp *tracesdk.TracerProvider
 
-	if cfg.JaegerUrl != "" {
-		tp = jaegerTracer(cfg)
+	if cfg.OtelUrl != "" {
+		tp = otelHttpTracer(appCtx, cfg)
 	} else {
 		tp = noopTracer()
 	}
@@ -43,7 +44,7 @@ func InitializeTracer(appCtx context.Context, cfg *config.Config) trace.Tracer {
 func stdoutTracer(cfg *config.Config) (tp *tracesdk.TracerProvider) {
 	exporter, err := stdout.New()
 	if err != nil {
-		log.Fatal(err)
+		zap.L().Fatal("creating new stdout tracer", zap.Error(err))
 	}
 
 	return tracesdk.NewTracerProvider(
@@ -62,7 +63,7 @@ func stdoutTracer(cfg *config.Config) (tp *tracesdk.TracerProvider) {
 func noopTracer() *tracesdk.TracerProvider {
 	exporter, err := stdout.New(stdout.WithWriter(io.Discard))
 	if err != nil {
-		log.Fatal(err)
+		zap.L().Fatal("creating noop tracer", zap.Error(err))
 	}
 
 	return tracesdk.NewTracerProvider(
@@ -71,16 +72,33 @@ func noopTracer() *tracesdk.TracerProvider {
 	)
 }
 
-func jaegerTracer(cfg *config.Config) *tracesdk.TracerProvider {
-	// Create the Jaeger exporter
-	exp, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(cfg.JaegerUrl)))
+func otelHttpTracer(ctx context.Context, cfg *config.Config) *tracesdk.TracerProvider {
+	u, err := url.Parse(cfg.OtelUrl)
 	if err != nil {
-		log.Fatal(err)
+		zap.L().Fatal("creating OTLP trace exporter", zap.Error(err))
+	}
+
+	options := []otlptracehttp.Option{otlptracehttp.WithEndpoint(u.Host)}
+	if u.Scheme == "http" {
+		options = append(options, otlptracehttp.WithInsecure())
+	}
+	if u.Path != "" && u.Path != "/" {
+		options = append(options, otlptracehttp.WithURLPath(u.Path))
+	}
+	headers := map[string]string{
+		"User-Agent": version.Info.Application + "/" + version.Info.Version,
+	}
+	options = append(options, otlptracehttp.WithHeaders(headers))
+
+	exporter, err := otlptracehttp.New(ctx, options...)
+	if err != nil {
+		zap.L().Warn("creating OTLP trace exporter", zap.Error(err))
+		return noopTracer()
 	}
 
 	return tracesdk.NewTracerProvider(
 		// Always be sure to batch in production.
-		tracesdk.WithBatcher(exp),
+		tracesdk.WithBatcher(exporter),
 		// Record information about this application in a Resource.
 		tracesdk.WithResource(resource.NewWithAttributes(
 			semconv.SchemaURL,
@@ -99,6 +117,6 @@ func tracerShutdown(appCtx context.Context, tp *tracesdk.TracerProvider) {
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
 	defer cancel()
 	if err := tp.Shutdown(ctx); err != nil {
-		log.Fatal(err)
+		zap.L().Fatal("shutting down tracer", zap.Error(err))
 	}
 }