Merge remote-tracking branch 'origin/main' into feat/add-custom-proxy…

…-to-http-transport
open-telemetry · Feb 14, 2024 · da4a533 · da4a533
2 parents 8e8da1e + e8973b7
commit da4a533
Show file tree

Hide file tree

Showing 52 changed files with 815 additions and 147 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -14,7 +14,10 @@ The next release will require at least [Go 1.21].
 ### Added
 
 - Support [Go 1.22]. (#4890)
-- Support configuring a custom Proxy Function for the metric: `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp` and trace: `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlptracehttp` OTLP Exporter HTTP Client Transport. (#4906)
+- Add exemplar support to `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`. (#4900)
+- Add exemplar support to `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`. (#4900)
+- Add custom Proxy function support to: `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`. (#4906)
+- Add custom Proxy function support to: `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlptracehttp`. (#4906)
 
 ## [1.23.1] 2024-02-07
 

diff --git a/README.md b/README.md
@@ -11,23 +11,22 @@ It provides a set of APIs to directly measure performance and behavior of your s
 
 ## Project Status
 
-| Signal  | Status     |
-|---------|------------|
-| Traces  | Stable     |
-| Metrics | Stable     |
-| Logs    | Design [1] |
+| Signal  | Status             |
+|---------|--------------------|
+| Traces  | Stable             |
+| Metrics | Stable             |
+| Logs    | In development[^1] |
 
-- [1]: Currently the logs signal development is in a design phase ([#4696](https://github.com/open-telemetry/opentelemetry-go/issues/4696)).
-   No Logs Pull Requests are currently being accepted.
-
-Progress and status specific to this repository is tracked in our
+Progres and status specific to this repository is tracked in our
 [project boards](https://github.com/open-telemetry/opentelemetry-go/projects)
 and
 [milestones](https://github.com/open-telemetry/opentelemetry-go/milestones).
 
 Project versioning information and stability guarantees can be found in the
 [versioning documentation](VERSIONING.md).
 
+[^1]: https://github.com/orgs/open-telemetry/projects/43
+
 ### Compatibility
 
 OpenTelemetry-Go ensures compatibility with the current supported versions of

diff --git a/bridge/opencensus/go.mod b/bridge/opencensus/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	go.opentelemetry.io/otel/metric v1.23.1 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

diff --git a/bridge/opencensus/go.sum b/bridge/opencensus/go.sum
@@ -74,8 +74,8 @@ 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 v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

diff --git a/bridge/opencensus/test/go.mod b/bridge/opencensus/test/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
 	go.opentelemetry.io/otel/metric v1.23.1 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.23.1 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 )
 
 replace go.opentelemetry.io/otel => ../../..

diff --git a/bridge/opencensus/test/go.sum b/bridge/opencensus/test/go.sum
@@ -68,8 +68,8 @@ 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 v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

diff --git a/example/dice/go.mod b/example/dice/go.mod
@@ -3,7 +3,7 @@ module go.opentelemetry.io/otel/example/dice
 go 1.20
 
 require (
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0
 	go.opentelemetry.io/otel v1.23.1
 	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.23.1
 	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.23.1
@@ -17,7 +17,7 @@ require (
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	go.opentelemetry.io/otel/trace v1.23.1 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 )
 
 replace go.opentelemetry.io/otel/exporters/stdout/stdouttrace => ../../exporters/stdout/stdouttrace

diff --git a/example/dice/go.sum b/example/dice/go.sum
@@ -9,8 +9,8 @@ github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0 h1:sv9kVfal0MK0wBMCOGr+HeJm9v803BkJxGrk2au7j08=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0/go.mod h1:SK2UL73Zy1quvRPonmOmRDiWk1KBV3LyIeeIxcEApWw=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0 h1:doUP+ExOpH3spVTLS0FcWGLnQrPct/hD/bCPbDRUEAU=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0/go.mod h1:rdENBZMT2OE6Ne/KLwpiXudnAsbdrdBaqBvTN8M8BgA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/example/namedtracer/go.mod b/example/namedtracer/go.mod
@@ -18,7 +18,7 @@ require (
 require (
 	github.com/go-logr/logr v1.4.1 // indirect
 	go.opentelemetry.io/otel/metric v1.23.1 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 )
 
 replace go.opentelemetry.io/otel/trace => ../../trace

diff --git a/example/namedtracer/go.sum b/example/namedtracer/go.sum
@@ -7,6 +7,6 @@ github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/example/opencensus/go.mod b/example/opencensus/go.mod
@@ -24,7 +24,7 @@ require (
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
 	go.opentelemetry.io/otel/metric v1.23.1 // indirect
 	go.opentelemetry.io/otel/trace v1.23.1 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 )
 
 replace go.opentelemetry.io/otel/metric => ../../metric

diff --git a/example/opencensus/go.sum b/example/opencensus/go.sum
@@ -68,8 +68,8 @@ 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 v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

diff --git a/example/otel-collector/go.mod b/example/otel-collector/go.mod
@@ -25,7 +25,7 @@ require (
 	go.opentelemetry.io/otel/metric v1.23.1 // indirect
 	go.opentelemetry.io/proto/otlp v1.1.0 // indirect
 	golang.org/x/net v0.19.0 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240102182953-50ed04b92917 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917 // indirect

diff --git a/example/otel-collector/go.sum b/example/otel-collector/go.sum
@@ -20,8 +20,8 @@ go.opentelemetry.io/proto/otlp v1.1.0/go.mod h1:GpBHCBWiqvVLDqmHZsoMM3C5ySeKTC7e
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
 golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

diff --git a/example/passthrough/go.mod b/example/passthrough/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	go.opentelemetry.io/otel/metric v1.23.1 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 )
 
 replace (

diff --git a/example/passthrough/go.sum b/example/passthrough/go.sum
@@ -7,6 +7,6 @@ github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/example/prometheus/go.mod b/example/prometheus/go.mod
@@ -21,7 +21,7 @@ require (
 	github.com/prometheus/procfs v0.12.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.23.1 // indirect
 	go.opentelemetry.io/otel/trace v1.23.1 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 	google.golang.org/protobuf v1.32.0 // indirect
 )
 

diff --git a/example/prometheus/go.sum b/example/prometheus/go.sum
@@ -21,8 +21,8 @@ github.com/prometheus/common v0.45.0/go.mod h1:YJmSTw9BoKxJplESWWxlbyttQR4uaEcGy
 github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k6Bo=
 github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
 google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/example/zipkin/Dockerfile b/example/zipkin/Dockerfile
@@ -11,7 +11,7 @@
 # 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.
-FROM golang:1.21-alpine
+FROM golang:1.22-alpine
 COPY . /go/src/github.com/open-telemetry/opentelemetry-go/
 WORKDIR /go/src/github.com/open-telemetry/opentelemetry-go/example/zipkin/
 RUN go install ./main.go

diff --git a/example/zipkin/go.mod b/example/zipkin/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/openzipkin/zipkin-go v0.4.2 // indirect
 	go.opentelemetry.io/otel/metric v1.23.1 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 )
 
 replace go.opentelemetry.io/otel/trace => ../../trace

diff --git a/example/zipkin/go.sum b/example/zipkin/go.sum
@@ -9,6 +9,6 @@ github.com/openzipkin/zipkin-go v0.4.2 h1:zjqfqHjUpPmB3c1GlCvvgsM1G4LkvqQbBDueDO
 github.com/openzipkin/zipkin-go v0.4.2/go.mod h1:ZeVkFjuuBiSy13y8vpSDCjMi9GoI3hPpCJSBx/EYFhY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/exporters/otlp/otlpmetric/otlpmetricgrpc/go.mod b/exporters/otlp/otlpmetric/otlpmetricgrpc/go.mod
@@ -29,7 +29,7 @@ require (
 	go.opentelemetry.io/otel/metric v1.23.1 // indirect
 	go.opentelemetry.io/otel/trace v1.23.1 // indirect
 	golang.org/x/net v0.19.0 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240102182953-50ed04b92917 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

diff --git a/exporters/otlp/otlpmetric/otlpmetricgrpc/go.sum b/exporters/otlp/otlpmetric/otlpmetricgrpc/go.sum
@@ -29,8 +29,8 @@ go.opentelemetry.io/proto/otlp v1.1.0 h1:2Di21piLrCqJ3U3eXGCTPHE9R8Nh+0uglSnOyxi
 go.opentelemetry.io/proto/otlp v1.1.0/go.mod h1:GpBHCBWiqvVLDqmHZsoMM3C5ySeKTC7ej/RNTae6MdY=
 golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
 golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

diff --git a/exporters/otlp/otlpmetric/otlpmetricgrpc/internal/transform/metricdata.go b/exporters/otlp/otlpmetric/otlpmetricgrpc/internal/transform/metricdata.go
@@ -148,6 +148,7 @@ func DataPoints[N int64 | float64](dPts []metricdata.DataPoint[N]) []*mpb.Number
 			Attributes:        AttrIter(dPt.Attributes.Iter()),
 			StartTimeUnixNano: timeUnixNano(dPt.StartTime),
 			TimeUnixNano:      timeUnixNano(dPt.Time),
+			Exemplars:         Exemplars(dPt.Exemplars),
 		}
 		switch v := any(dPt.Value).(type) {
 		case int64:
@@ -193,6 +194,7 @@ func HistogramDataPoints[N int64 | float64](dPts []metricdata.HistogramDataPoint
 			Sum:               &sum,
 			BucketCounts:      dPt.BucketCounts,
 			ExplicitBounds:    dPt.Bounds,
+			Exemplars:         Exemplars(dPt.Exemplars),
 		}
 		if v, ok := dPt.Min.Value(); ok {
 			vF64 := float64(v)
@@ -236,6 +238,7 @@ func ExponentialHistogramDataPoints[N int64 | float64](dPts []metricdata.Exponen
 			Sum:               &sum,
 			Scale:             dPt.Scale,
 			ZeroCount:         dPt.ZeroCount,
+			Exemplars:         Exemplars(dPt.Exemplars),
 
 			Positive: ExponentialHistogramDataPointBuckets(dPt.PositiveBucket),
 			Negative: ExponentialHistogramDataPointBuckets(dPt.NegativeBucket),
@@ -290,3 +293,28 @@ func timeUnixNano(t time.Time) uint64 {
 	}
 	return uint64(t.UnixNano())
 }
+
+// Exemplars returns a slice of OTLP Exemplars generated from exemplars.
+func Exemplars[N int64 | float64](exemplars []metricdata.Exemplar[N]) []*mpb.Exemplar {
+	out := make([]*mpb.Exemplar, 0, len(exemplars))
+	for _, exemplar := range exemplars {
+		e := &mpb.Exemplar{
+			FilteredAttributes: KeyValues(exemplar.FilteredAttributes),
+			TimeUnixNano:       timeUnixNano(exemplar.Time),
+			SpanId:             exemplar.SpanID,
+			TraceId:            exemplar.TraceID,
+		}
+		switch v := any(exemplar.Value).(type) {
+		case int64:
+			e.Value = &mpb.Exemplar_AsInt{
+				AsInt: v,
+			}
+		case float64:
+			e.Value = &mpb.Exemplar_AsDouble{
+				AsDouble: v,
+			}
+		}
+		out = append(out, e)
+	}
+	return out
+}