Release v1.18.0/0.43.0/0.12.0

[MrAlias]

Added

• Add NewMiddleware function in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (Add otelhttp.NewMiddleware #2964)
• The go.opentelemetry.io/contrib/exporters/autoexport package to provide configuration of trace exporters with useful defaults and environment variable support. (Add autoexport to automatically configure trace exporters #2753, autoexport: OTLP exporter defaults to http/protobuf protocol instead of grpc #4100, autoexport: Handle OTEL_TRACES_EXPORTER=none #4130, autoexport: Update docs #4132, autoexport: Rename IsNone to IsNoneSpanExporter #4134)
• WithRouteTag in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp adds HTTP route attribute to metrics. (WithRouteTag adds HTTP route attribute to metrics #615)
• Add WithSpanOptions option in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (otelgrpc: Add SpanStartOptions #3768)
• Add testing support for Go 1.21. (Add testing support for Go 1.21 #4233)

Changed

• Change interceptors in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc to disable SENT/RECEIVED events.
  Use WithMessageEvents() to turn back on. (Reduce OpenTelemetry events in gRPC interceptor #3964)

Fixed

• AWS XRay Remote Sampling to cap quotaBalance to 1x quota in go.opentelemetry.io/contrib/samplers/aws/xray. ( XRay Remote Sampler accumulates Quota balance above assigned quota #3651, XRay Remote Sampler - Cap quotaBalance to 1x quota #3652)
• Do not panic when the HTTP request has the "Expect: 100-continue" header in go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace. (Fix panic in otelhttptrace #3892)
• Fix span status value set for non-standard HTTP status codes in modules listed below. (Fix handling of non-standard HTTP status codes #3966)
  • go.opentelemetry.io/contrib/instrumentation/github.com/emicklei/go-restful/otelrestful
  • go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin
  • go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux
  • go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho
  • go.opentelemetry.io/contrib/instrumentation/gopkg.in/macaron.v1/otelmacaron
  • go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace
  • go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
• Do not modify the origin request in RoundTripper in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (fix: Do not modify the origin request in RoundTripper #4033)
• Handle empty value of OTEL_PROPAGATORS environment variable the same way as when the variable is unset in go.opentelemetry.io/contrib/propagators/autoprop. (autoprop: Handle empty env var as unset #4101)
• Fix gRPC service/method URL path parsing discrepancies in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (Fix gRPC service/method URL path parsing discrepancies #4135)

Deprecated

• The go.opentelemetry.io/contrib/instrumentation/github.com/astaxie/beego/otelbeego module is deprecated. (Deprecate otelbeego #4092, Add missing deprecation notices to go.mod files #4104)
• The go.opentelemetry.io/contrib/instrumentation/github.com/go-kit/kit/otelkit module is deprecated. (Deprecate otelkit #4093, Add missing deprecation notices to go.mod files #4104)
• The go.opentelemetry.io/contrib/instrumentation/github.com/Shopify/sarama/otelsarama module is deprecated. (Deprecate otelsarama #4099)

Removed

• Remove Handler type in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (Add otelhttp.NewMiddleware #2964)

[codecov]

Codecov Report

Merging #4254 (aa6c78e) into main (762a063) will increase coverage by 3.1%.
The diff coverage is 33.3%.

❗ Current head aa6c78e differs from pull request most recent head f1a93a9. Consider uploading reports for the commit f1a93a9 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #4254     +/-   ##
=======================================
+ Coverage   79.4%   82.6%   +3.1%     
=======================================
  Files        166     171      +5     
  Lines      10360   10425     +65     
=======================================
+ Hits        8230    8614    +384     
+ Misses      1996    1661    -335     
- Partials     134     150     +16     

Files Changed	Coverage Δ
detectors/aws/ec2/version.go	0.0% <0.0%> (ø)
detectors/aws/ecs/version.go	0.0% <0.0%> (ø)
detectors/aws/eks/version.go	0.0% <0.0%> (ø)
detectors/gcp/version.go	0.0% <0.0%> (ø)
...thub.com/Shopify/sarama/otelsarama/test/version.go	0.0% <0.0%> (ø)
...github.com/astaxie/beego/otelbeego/test/version.go	0.0% <0.0%> (ø)
...tion/github.com/astaxie/beego/otelbeego/version.go	0.0% <0.0%> (ø)
...thub.com/aws/aws-sdk-go-v2/otelaws/test/version.go	0.0% <0.0%> (ø)
...z/gomemcache/memcache/otelmemcache/test/version.go	0.0% <0.0%> (ø)
...om/emicklei/go-restful/otelrestful/test/version.go	0.0% <0.0%> (ø)
... and 35 more

... and 10 files with indirect coverage changes