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Update opentelemetry-go monorepo to v1.32.0

renovate requested to merge renovate/opentelemetry-go-monorepo into master

This MR contains the following updates:

Package Type Update Change
go.opentelemetry.io/otel require minor v1.10.0 -> v1.32.0
go.opentelemetry.io/otel/trace require minor v1.10.0 -> v1.32.0

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Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

Release Notes

open-telemetry/opentelemetry-go (go.opentelemetry.io/otel)

v1.32.0: /v0.54.0/v0.8.0/v0.0.11

Compare Source

Overview
Added
  • Add go.opentelemetry.io/otel/sdk/metric/exemplar.AlwaysOffFilter, which can be used to disable exemplar recording. (#​5850)
  • Add go.opentelemetry.io/otel/sdk/metric.WithExemplarFilter, which can be used to configure the exemplar filter used by the metrics SDK. (#​5850)
  • Add ExemplarReservoirProviderSelector and DefaultExemplarReservoirProviderSelector to go.opentelemetry.io/otel/sdk/metric, which defines the exemplar reservoir to use based on the aggregation of the metric. (#​5861)
  • Add ExemplarReservoirProviderSelector to go.opentelemetry.io/otel/sdk/metric.Stream to allow using views to configure the exemplar reservoir to use for a metric. (#​5861)
  • Add ReservoirProvider, HistogramReservoirProvider and FixedSizeReservoirProvider to go.opentelemetry.io/otel/sdk/metric/exemplar to make it convenient to use providers of Reservoirs. (#​5861)
  • The go.opentelemetry.io/otel/semconv/v1.27.0 package. The package contains semantic conventions from the v1.27.0 version of the OpenTelemetry Semantic Conventions. (#​5894)
  • Add Attributes attribute.Set field to Scope in go.opentelemetry.io/otel/sdk/instrumentation. (#​5903)
  • Add Attributes attribute.Set field to ScopeRecords in go.opentelemetry.io/otel/log/logtest. (#​5927)
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc adds instrumentation scope attributes. (#​5934)
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp adds instrumentation scope attributes. (#​5934)
  • go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc adds instrumentation scope attributes. (#​5935)
  • go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp adds instrumentation scope attributes. (#​5935)
  • go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc adds instrumentation scope attributes. (#​5933)
  • go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp adds instrumentation scope attributes. (#​5933)
  • go.opentelemetry.io/otel/exporters/prometheus adds instrumentation scope attributes in otel_scope_info metric as labels. (#​5932)
Changed
  • Support scope attributes and make them as identifying for Tracer in go.opentelemetry.io/otel and go.opentelemetry.io/otel/sdk/trace. (#​5924)
  • Support scope attributes and make them as identifying for Meter in go.opentelemetry.io/otel and go.opentelemetry.io/otel/sdk/metric. (#​5926)
  • Support scope attributes and make them as identifying for Logger in go.opentelemetry.io/otel and go.opentelemetry.io/otel/sdk/log. (#​5925)
  • Make schema URL and scope attributes as identifying for Tracer in go.opentelemetry.io/otel/bridge/opentracing. (#​5931)
  • Clear unneeded slice elements to allow GC to collect the objects in go.opentelemetry.io/otel/sdk/metric and go.opentelemetry.io/otel/sdk/trace. (#​5804)
Fixed
  • Global MeterProvider registration unwraps global instrument Observers, the undocumented Unwrap() methods are now private. (#​5881)
  • go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc now keeps the metadata already present in the context when WithHeaders is used. (#​5892)
  • go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc now keeps the metadata already present in the context when WithHeaders is used. (#​5911)
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc now keeps the metadata already present in the context when WithHeaders is used. (#​5915)
  • Fix go.opentelemetry.io/otel/exporters/prometheus trying to add exemplars to Gauge metrics, which is unsupported. (#​5912)
  • Fix WithEndpointURL to always use a secure connection when an https URL is passed in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc. (#​5944)
  • Fix WithEndpointURL to always use a secure connection when an https URL is passed in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​5944)
  • Fix WithEndpointURL to always use a secure connection when an https URL is passed in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. (#​5944)
  • Fix WithEndpointURL to always use a secure connection when an https URL is passed in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#​5944)
  • Fix incorrect metrics generated from callbacks when multiple readers are used in go.opentelemetry.io/otel/sdk/metric. (#​5900)
Removed
What's Changed
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.31.0...v1.32.0

v1.31.0: /v0.53.0/v0.7.0/v0.0.10

Compare Source

Overview
Added
  • Add go.opentelemetry.io/otel/sdk/metric/exemplar package which includes Exemplar, Filter, TraceBasedFilter, AlwaysOnFilter, HistogramReservoir, FixedSizeReservoir, Reservoir, Value and ValueType types. These will be used for configuring the exemplar reservoir for the metrics sdk. (#​5747, #​5862)
  • Add WithExportBufferSize option to log batch processor.(#​5877)
Changed
  • Enable exemplars by default in go.opentelemetry.io/otel/sdk/metric. Exemplars can be disabled by setting OTEL_METRICS_EXEMPLAR_FILTER=always_off (#​5778)
  • Logger.Enabled in go.opentelemetry.io/otel/log now accepts a newly introduced EnabledParameters type instead of Record. (#​5791)
  • FilterProcessor.Enabled in go.opentelemetry.io/otel/sdk/log/internal/x now accepts EnabledParameters instead of Record. (#​5791)
  • The Record type in go.opentelemetry.io/otel/log is no longer comparable. (#​5847)
  • Performance improvements for the trace SDK SetAttributes method in Span. (#​5864)
  • Reduce memory allocations for the Event and Link lists in Span. (#​5858)
  • Performance improvements for the trace SDK AddEvent, AddLink, RecordError and End methods in Span. (#​5874)
Deprecated
Fixed
  • The race condition for multiple FixedSize exemplar reservoirs identified in #​5814 is resolved. (#​5819)
  • Fix log records duplication in case of heterogeneous resource attributes by correctly mapping each log record to it's resource and scope. (#​5803)
  • Fix timer channel drain to avoid hanging on Go 1.23. (#​5868)
  • Fix delegation for global meter providers, and panic when calling otel.SetMeterProvider. (#​5827)
  • Change the reflect.TypeOf to use a nil pointer to not allocate on the heap unless necessary. (#​5827)
What's Changed
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.30.0...v1.31.0

v1.30.0: /v0.52.0/v0.6.0/v0.0.9

Compare Source

Overview
Added
  • Support OTEL_EXPORTER_OTLP_LOGS_INSECURE and OTEL_EXPORTER_OTLP_INSECURE environments in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc. (#​5739)
  • The WithResource option for NewMeterProvider now merges the provided resources with the ones from environment variables. (#​5773)
  • The WithResource option for NewLoggerProvider now merges the provided resources with the ones from environment variables. (#​5773)
  • Add UTF-8 support to go.opentelemetry.io/otel/exporters/prometheus. (#​5755)
Fixed
  • Fix memory leak in the global MeterProvider when identical instruments are repeatedly created. (#​5754)
  • Fix panic on instruments creation when setting meter provider. (#​5758)
  • Fix an issue where SetMeterProvider in go.opentelemetry.io/otel might miss the delegation for instruments and registries. (#​5780)
Removed
What's Changed
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.29.0...v1.30.0

v1.29.0: /v0.51.0/v0.5.0

Compare Source

Overview

This release is the last to support Go 1.21. The next release will require at least Go 1.22.

Added
  • Add MacOS ARM64 platform to the compatibility testing suite. (#​5577)
  • Add InstrumentationScope field to SpanStub in go.opentelemetry.io/otel/sdk/trace/tracetest, as a replacement for the deprecated InstrumentationLibrary. (#​5627)
  • Make the initial release of go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc. This new module contains an OTLP exporter that transmits log telemetry using gRPC. This module is unstable and breaking changes may be introduced. See our versioning policy for more information about these stability guarantees. (#​5629)
  • Add Walk function to TraceState in go.opentelemetry.io/otel/trace to iterate all the key-value pairs. (#​5651)
  • Bridge the trace state in go.opentelemetry.io/otel/bridge/opencensus. (#​5651)
  • Zero value of SimpleProcessor in go.opentelemetry.io/otel/sdk/log no longer panics. (#​5665)
  • The FilterProcessor interface type is added in go.opentelemetry.io/otel/sdk/log/internal/x. This is an optional and experimental interface that log Processors can implement to instruct the Logger if a Record will be processed or not. It replaces the existing Enabled method that is removed from the Processor interface itself. It does not fall within the scope of the OpenTelemetry Go versioning and stability policy and it may be changed in backwards incompatible ways or removed in feature releases. (#​5692)
  • Support Go 1.23. (#​5720)
Changed
  • NewMemberRaw, NewKeyProperty and NewKeyValuePropertyRaw in go.opentelemetry.io/otel/baggage allow UTF-8 string in key. (#​5132)
  • Processor.OnEmit in go.opentelemetry.io/otel/sdk/log now accepts a pointer to Record instead of a value so that the record modifications done in a processor are propagated to subsequent registered processors. (#​5636)
  • SimpleProcessor.Enabled in go.opentelemetry.io/otel/sdk/log now returns false if the exporter is nil. (#​5665)
  • Update the concurrency requirements of Exporter in go.opentelemetry.io/otel/sdk/log. (#​5666)
  • SimpleProcessor in go.opentelemetry.io/otel/sdk/log synchronizes OnEmit calls. (#​5666)
  • The Processor interface in go.opentelemetry.io/otel/sdk/log no longer includes the Enabled method. See the FilterProcessor interface type added in go.opentelemetry.io/otel/sdk/log/internal/x to continue providing this functionality. (#​5692)
  • The SimpleProcessor type in go.opentelemetry.io/otel/sdk/log is no longer comparable. (#​5693)
  • The BatchProcessor type in go.opentelemetry.io/otel/sdk/log is no longer comparable. (#​5693)
Fixed
  • Correct comments for the priority of the WithEndpoint and WithEndpointURL options and their corresponding environment variables in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#​5584)
  • Pass the underlying error rather than a generic retry-able failure in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp, go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp and go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#​5541)
  • Correct the Tracer, Meter, and Logger names used in go.opentelemetry.io/otel/example/dice. (#​5612)
  • Correct the Tracer names used in go.opentelemetry.io/otel/example/namedtracer. (#​5612)
  • Correct the Tracer name used in go.opentelemetry.io/otel/example/opencensus. (#​5612)
  • Correct the Tracer and Meter names used in go.opentelemetry.io/otel/example/otel-collector. (#​5612)
  • Correct the Tracer names used in go.opentelemetry.io/otel/example/passthrough. (#​5612)
  • Correct the Meter name used in go.opentelemetry.io/otel/example/prometheus. (#​5612)
  • Correct the Tracer names used in go.opentelemetry.io/otel/example/zipkin. (#​5612)
  • Correct comments for the priority of the WithEndpoint and WithEndpointURL options and their corresponding environment variables in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc and go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​5641)
  • Correct comments for the priority of the WithEndpoint and WithEndpointURL options and their corresponding environment variables in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp. (#​5650)
  • Stop percent encoding header environment variables in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc and go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp (#​5705)
  • Remove invalid environment variable header keys in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc and go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp (#​5705)
Removed
  • The Enabled method of the SimpleProcessor in go.opentelemetry.io/otel/sdk/log is removed. (#​5692)
  • The Enabled method of the BatchProcessor in go.opentelemetry.io/otel/sdk/log is removed. (#​5692)
What's Changed
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.28.0...v1.29.0

v1.28.0: Releases v1.28.0/v0.50.0/v0.4.0

Compare Source

Overview
Added
  • The IsEmpty method is added to the Instrument type in go.opentelemetry.io/otel/sdk/metric. This method is used to check if an Instrument instance is a zero-value. (#​5431)
  • Store and provide the emitted context.Context in ScopeRecords of go.opentelemetry.io/otel/sdk/log/logtest. (#​5468)
  • The go.opentelemetry.io/otel/semconv/v1.26.0 package. The package contains semantic conventions from the v1.26.0 version of the OpenTelemetry Semantic Conventions. (#​5476)
  • The AssertRecordEqual method to go.opentelemetry.io/otel/log/logtest to allow comparison of two log records in tests. (#​5499)
  • The WithHeaders option to go.opentelemetry.io/otel/exporters/zipkin to allow configuring custom http headers while exporting spans. (#​5530)
Changed
  • Tracer.Start in go.opentelemetry.io/otel/trace/noop no longer allocates a span for empty span context. (#​5457)
  • Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/example/otel-collector. (#​5490)
  • Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/example/zipkin. (#​5490)
  • Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/exporters/zipkin. (#​5490)
    • The exporter no longer exports the deprecated "otel.library.name" or "otel.library.version" attributes.
  • Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/sdk/resource. (#​5490)
  • Upgrade go.opentelemetry.io/otel/semconv/v1.25.0 to go.opentelemetry.io/otel/semconv/v1.26.0 in go.opentelemetry.io/otel/sdk/trace. (#​5490)
  • SimpleProcessor.OnEmit in go.opentelemetry.io/otel/sdk/log no longer allocates a slice which makes it possible to have a zero-allocation log processing using SimpleProcessor. (#​5493)
  • Use non-generic functions in the Start method of "go.opentelemetry.io/otel/sdk/trace".Trace to reduce memory allocation. (#​5497)
  • service.instance.id is populated for a Resource created with "go.opentelemetry.io/otel/sdk/resource".Default with a default value when OTEL_GO_X_RESOURCE is set. (#​5520)
  • Improve performance of metric instruments in go.opentelemetry.io/otel/sdk/metric by removing unnecessary calls to time.Now. (#​5545)
Fixed
  • Log a warning to the OpenTelemetry internal logger when a Record in go.opentelemetry.io/otel/sdk/log drops an attribute due to a limit being reached. (#​5376)
  • Identify the Tracer returned from the global TracerProvider in go.opentelemetry.io/otel/global with its schema URL. (#​5426)
  • Identify the Meter returned from the global MeterProvider in go.opentelemetry.io/otel/global with its schema URL. (#​5426)
  • Log a warning to the OpenTelemetry internal logger when a Span in go.opentelemetry.io/otel/sdk/trace drops an attribute, event, or link due to a limit being reached. (#​5434)
  • Document instrument name requirements in go.opentelemetry.io/otel/metric. (#​5435)
  • Prevent random number generation data-race for experimental rand exemplars in go.opentelemetry.io/otel/sdk/metric. (#​5456)
  • Fix counting number of dropped attributes of Record in go.opentelemetry.io/otel/sdk/log. (#​5464)
  • Fix panic in baggage creation when a member contains 0x80 char in key or value. (#​5494)
  • Correct comments for the priority of the WithEndpoint and WithEndpointURL options and their corresponding environment variables in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. (#​5508)
  • Retry trace and span ID generation if it generated an invalid one in go.opentelemetry.io/otel/sdk/trace. (#​5514)
  • Fix stale timestamps reported by the last-value aggregation. (#​5517)
  • Indicate the Exporter in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp must be created by the New method. (#​5521)
  • Improved performance in all {Bool,Int64,Float64,String}SliceValue functions of go.opentelemetry.io/attributes by reducing the number of allocations. (#​5549)
What's Changed
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.27.0...v1.28.0

v1.27.0: /v0.49.0/v0.3.0

Compare Source

This release includes the first beta release of the OpenTelemetry Logs Bridge API and SDK for Go.

Overview
Added
  • Add example for go.opentelemetry.io/otel/exporters/stdout/stdoutlog. (#​5242)
  • Add RecordFactory in go.opentelemetry.io/otel/sdk/log/logtest to facilitate testing exporter and processor implementations. (#​5258)
  • Add RecordFactory in go.opentelemetry.io/otel/log/logtest to facilitate testing bridge implementations. (#​5263)
  • The count of dropped records from the BatchProcessor in go.opentelemetry.io/otel/sdk/log is logged. (#​5276)
  • Add metrics in the otel-collector example. (#​5283)
  • Add the synchronous gauge instrument to go.opentelemetry.io/otel/metric. (#​5304)
    • An int64 or float64 synchronous gauge instrument can now be created from a Meter.
    • All implementations of the API (go.opentelemetry.io/otel/metric/noop, go.opentelemetry.io/otel/sdk/metric) are updated to support this instrument.
  • Add logs to go.opentelemetry.io/otel/example/dice. (#​5349)
Changed
  • The Shutdown method of Exporter in go.opentelemetry.io/otel/exporters/stdout/stdouttrace ignores the context cancellation and always returns nil. (#​5189)
  • The ForceFlush and Shutdown methods of the exporter returned by New in go.opentelemetry.io/otel/exporters/stdout/stdoutmetric ignore the context cancellation and always return nil. (#​5189)
  • Apply the value length limits to Record attributes in go.opentelemetry.io/otel/sdk/log. (#​5230)
  • De-duplicate map attributes added to a Record in go.opentelemetry.io/otel/sdk/log. (#​5230)
  • go.opentelemetry.io/otel/exporters/stdout/stdoutlog won't print timestamps when WithoutTimestamps option is set. (#​5241)
  • The go.opentelemetry.io/otel/exporters/stdout/stdoutlog exporter won't print AttributeValueLengthLimit and AttributeCountLimit fields now, instead it prints the DroppedAttributes field. (#​5272)
  • Improved performance in the Stringer implementation of go.opentelemetry.io/otel/baggage.Member by reducing the number of allocations. (#​5286)
  • Set the start time for last-value aggregates in go.opentelemetry.io/otel/sdk/metric. (#​5305)
  • The Span in go.opentelemetry.io/otel/sdk/trace will record links without span context if either non-empty TraceState or attributes are provided. (#​5315)
  • Upgrade all dependencies of go.opentelemetry.io/otel/semconv/v1.24.0 to go.opentelemetry.io/otel/semconv/v1.25.0. (#​5374)
Fixed
  • Comparison of unordered maps for go.opentelemetry.io/otel/log.KeyValue and go.opentelemetry.io/otel/log.Value. (#​5306)
  • Fix the empty output of go.opentelemetry.io/otel/log.Value in go.opentelemetry.io/otel/exporters/stdout/stdoutlog. (#​5311)
  • Split the behavior of Recorder in go.opentelemetry.io/otel/log/logtest so it behaves as a LoggerProvider only. (#​5365)
  • Fix wrong package name of the error message when parsing endpoint URL in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp. (#​5371)
  • Identify the Logger returned from the global LoggerProvider in go.opentelemetry.io/otel/log/global with its schema URL. (#​5375)
What's Changed
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.26.0...v1.27.0

v1.26.0: /v0.48.0/v0.2.0-alpha

Compare Source

Added
  • Add Recorder in go.opentelemetry.io/otel/log/logtest to facilitate testing the log bridge implementations. (#​5134)
  • Add span flags to OTLP spans and links exported by go.opentelemetry.io/otel/exporters/otlp/otlptrace. (#​5194)
  • Make the initial alpha release of go.opentelemetry.io/otel/sdk/log. This new module contains the Go implementation of the OpenTelemetry Logs SDK. This module is unstable and breaking changes may be introduced. See our versioning policy for more information about these stability guarantees. (#​5240)
  • Make the initial alpha release of go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp. This new module contains an OTLP exporter that transmits log telemetry using HTTP. This module is unstable and breaking changes may be introduced. See our versioning policy for more information about these stability guarantees. (#​5240)
  • Make the initial alpha release of go.opentelemetry.io/otel/exporters/stdout/stdoutlog. This new module contains an exporter prints log records to STDOUT. This module is unstable and breaking changes may be introduced. See our versioning policy for more information about these stability guarantees. (#​5240)
  • The go.opentelemetry.io/otel/semconv/v1.25.0 package. The package contains semantic conventions from the v1.25.0 version of the OpenTelemetry Semantic Conventions. (#​5254)
Changed
  • Update go.opentelemetry.io/proto/otlp from v1.1.0 to v1.2.0. (#​5177)
  • Improve performance of baggage member character validation in go.opentelemetry.io/otel/baggage. (#​5214)

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.25.0...v1.26.0

v1.25.0: /v0.47.0/v0.0.8/v0.1.0-alpha

Compare Source

Added
  • Add WithProxy option in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​4906)
  • Add WithProxy option in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlptracehttp. (#​4906)
  • Add AddLink method to the Span interface in go.opentelemetry.io/otel/trace. (#​5032)
  • The Enabled method is added to the Logger interface in go.opentelemetry.io/otel/log. This method is used to notify users if a log record will be emitted or not. (#​5071)
  • Add SeverityUndefined const to go.opentelemetry.io/otel/log. This value represents an unset severity level. (#​5072)
  • Add Empty function in go.opentelemetry.io/otel/log to return a KeyValue for an empty value. (#​5076)
  • Add go.opentelemetry.io/otel/log/global to manage the global LoggerProvider. This package is provided with the anticipation that all functionality will be migrate to go.opentelemetry.io/otel when go.opentelemetry.io/otel/log stabilizes. At which point, users will be required to migrage their code, and this package will be deprecated then removed. (#​5085)
  • Add support for Summary metrics in the go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp and go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc exporters. (#​5100)
  • Add otel.scope.name and otel.scope.version tags to spans exported by go.opentelemetry.io/otel/exporters/zipkin. (#​5108)
  • Add support for AddLink to go.opentelemetry.io/otel/bridge/opencensus. (#​5116)
  • Add String method to Value and KeyValue in go.opentelemetry.io/otel/log. (#​5117)
  • Add Exemplar support to go.opentelemetry.io/otel/exporters/prometheus. (#​5111)
  • Add metric semantic conventions to go.opentelemetry.io/otel/semconv/v1.24.0. Future semconv packages will include metric semantic conventions as well. (#​4528)
Changed
  • SpanFromContext and SpanContextFromContext in go.opentelemetry.io/otel/trace no longer make a heap allocation when the passed context has no span. (#​5049)
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc and go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc now create a gRPC client in idle mode and with "dns" as the default resolver using grpc.NewClient. (#​5151) Because of that WithDialOption ignores grpc.WithBlock, grpc.WithTimeout, and grpc.WithReturnConnectionError. Notice that grpc.DialContext which was used before is now deprecated.
Fixed
  • Clarify the documentation about equivalence guarantees for the Set and Distinct types in go.opentelemetry.io/otel/attribute. (#​5027)
  • Prevent default ErrorHandler self-delegation. (#​5137)
  • Update all dependencies to address GO-2024-2687. (#​5139)
Removed
Deprecated
  • Deprecate go.opentelemetry.io/otel/attribute.Sortable type. (#​4734)
  • Deprecate go.opentelemetry.io/otel/attribute.NewSetWithSortable function. (#​4734)
  • Deprecate go.opentelemetry.io/otel/attribute.NewSetWithSortableFiltered function. (#​4734)
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.24.0...v1.25.0

v1.24.0: /v0.46.0/v0.0.1-alpha

Compare Source

This release is the last to support Go 1.20. The next release will require at least Go 1.21.

Added
  • Support Go 1.22. (#​4890)
  • 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)
  • The go.opentelemetry.io/otel/log module is added. This module includes OpenTelemetry Go's implementation of the Logs Bridge API. This module is in an alpha state, it is subject to breaking changes. See our versioning policy for more info. (#​4961)
Fixed
  • Fix registration of multiple callbacks when using the global meter provider from go.opentelemetry.io/otel. (#​4945)
  • Fix negative buckets in output of exponential histograms. (#​4956)
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.23.1...v1.24.0

v1.23.1: /v0.45.2

Compare Source

Fixed
  • Register all callbacks passed during observable instrument creation instead of just the last one multiple times in go.opentelemetry.io/otel/sdk/metric. (#​4888)

v1.23.0: /v0.45.1

Compare Source

This release contains the first stable, v1, release of the following modules:

  • go.opentelemetry.io/otel/bridge/opencensus
  • go.opentelemetry.io/otel/bridge/opencensus/test
  • go.opentelemetry.io/otel/example/opencensus
  • go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc
  • go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp
  • go.opentelemetry.io/otel/exporters/stdout/stdoutmetric

See our versioning policy for more information about these stability guarantees.

Added
  • Add WithEndpointURL option to the exporters/otlp/otlpmetric/otlpmetricgrpc, exporters/otlp/otlpmetric/otlpmetrichttp, exporters/otlp/otlptrace/otlptracegrpc and exporters/otlp/otlptrace/otlptracehttp packages. (#​4808)
  • Experimental exemplar exporting is added to the metric SDK. See metric documentation for more information about this feature and how to enable it. (#​4871)
  • ErrSchemaURLConflict is added to go.opentelemetry.io/otel/sdk/resource. This error is returned when a merge of two Resources with different (non-empty) schema URL is attempted. (#​4876)
Changed
  • The Merge and New functions in go.opentelemetry.io/otel/sdk/resource now returns a partial result if there is a schema URL merge conflict. Instead of returning nil when two Resources with different (non-empty) schema URLs are merged the merged Resource, along with the new ErrSchemaURLConflict error, is returned. It is up to the user to decide if they want to use the returned Resource or not. It may have desired attributes overwritten or include stale semantic conventions. (#​4876)
Fixed
  • Fix ContainerID resource detection on systemd when cgroup path has a colon. (#​4449)
  • Fix go.opentelemetry.io/otel/sdk/metric to cache instruments to avoid leaking memory when the same instrument is created multiple times. (#​4820)
  • Fix missing Mix and Max values for go.opentelemetry.io/otel/exporters/stdout/stdoutmetric by introducing MarshalText and MarshalJSON for the Extrema type in go.opentelemetry.io/sdk/metric/metricdata. (#​4827)
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.22.0...v1.23.0

v1.22.0: /v0.45.0

Compare Source

Added
  • The go.opentelemetry.io/otel/semconv/v1.22.0 package. The package contains semantic conventions from the v1.22.0 version of the OpenTelemetry Semantic Conventions. (#​4735)
  • The go.opentelemetry.io/otel/semconv/v1.23.0 package. The package contains semantic conventions from the v1.23.0 version of the OpenTelemetry Semantic Conventions. (#​4746)
  • The go.opentelemetry.io/otel/semconv/v1.23.1 package. The package contains semantic conventions from the v1.23.1 version of the OpenTelemetry Semantic Conventions. (#​4749)
  • The go.opentelemetry.io/otel/semconv/v1.24.0 package. The package contains semantic conventions from the v1.24.0 version of the OpenTelemetry Semantic Conventions. (#​4770)
  • Add WithResourceAsConstantLabels option to apply resource attributes for every metric emitted by the Prometheus exporter. (#​4733)
  • Experimental cardinality limiting is added to the metric SDK. See metric documentation for more information about this feature and how to enable it. (#​4457)
  • Add NewMemberRaw and NewKeyValuePropertyRaw in go.opentelemetry.io/otel/baggage. (#​4804)
Changed
  • Upgrade all use of go.opentelemetry.io/otel/semconv to use v1.24.0. (#​4754)
  • Update transformations in go.opentelemetry.io/otel/exporters/zipkin to follow v1.24.0 version of the OpenTelemetry specification. (#​4754)
  • Record synchronous measurements when the passed context is canceled instead of dropping in go.opentelemetry.io/otel/sdk/metric. If you do not want to make a measurement when the context is cancelled, you need to handle it yourself (e.g if ctx.Err() != nil). (#​4671)
  • Improve go.opentelemetry.io/otel/trace.TraceState's performance. (#​4722)
  • Improve go.opentelemetry.io/otel/propagation.TraceContext's performance. (#​4721)
  • Improve go.opentelemetry.io/otel/baggage performance. (#​4743)
  • Improve performance of the (*Set).Filter method in go.opentelemetry.io/otel/attribute when the passed filter does not filter out any attributes from the set. (#​4774)
  • Member.String in go.opentelemetry.io/otel/baggage percent-encodes only when necessary. (#​4775)
  • Property.Value in go.opentelemetry.io/otel/baggage now returns a raw string instead of a percent-encoded value. (#​4804)
Fixed
  • Fix Parse in go.opentelemetry.io/otel/baggage to validate member value before percent-decoding. (#​4755)
  • Fix whitespace encoding of Member.String in go.opentelemetry.io/otel/baggage. (#​4756)
  • Fix baggage item key so that it is not canonicalized in go.opentelemetry.io/otel/bridge/opentracing. (#​4776)
  • Fix go.opentelemetry.io/otel/bridge/opentracing to properly handle baggage values that requires escaping during propagation. (#​4804)
  • Fix a bug where using multiple readers resulted in incorrect asynchronous counter values in go.opentelemetry.io/otel/sdk/metric. (#​4742)

v1.21.0: /v0.44.0

Compare Source

Removed
  • Remove the deprecated go.opentelemetry.io/otel/bridge/opencensus.NewTracer. (#​4706)
  • Remove the deprecated go.opentelemetry.io/otel/exporters/otlp/otlpmetric module. (#​4707)
  • Remove the deprecated go.opentelemetry.io/otel/example/view module. (#​4708)
  • Remove the deprecated go.opentelemetry.io/otel/example/fib module. (#​4723)
Fixed
  • Do not parse non-protobuf responses in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​4719)
  • Do not parse non-protobuf responses in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#​4719)

v1.20.0: /v0.43.0

Compare Source

This release brings a breaking change for custom trace API implementations. Some interfaces (TracerProvider, Tracer, Span) now embed the go.opentelemetry.io/otel/trace/embedded types. Implementors need to update their implementations based on what they want the default behavior to be. See the "API Implementations" section of the trace API package documentation for more about how to accomplish this.

Added
  • Add go.opentelemetry.io/otel/bridge/opencensus.InstallTraceBridge, which installs the OpenCensus trace bridge, and replaces opencensus.NewTracer. (#​4567)
  • Add scope version to trace and metric bridges in go.opentelemetry.io/otel/bridge/opencensus. (#​4584)
  • Add the go.opentelemetry.io/otel/trace/embedded package to be embedded in the exported trace API interfaces. (#​4620)
  • Add the go.opentelemetry.io/otel/trace/noop package as a default no-op implementation of the trace API. (#​4620)
  • Add context propagation in go.opentelemetry.io/otel/example/dice. (#​4644)
  • Add view configuration to go.opentelemetry.io/otel/example/prometheus. (#​4649)
  • Add go.opentelemetry.io/otel/metric.WithExplicitBucketBoundaries, which allows defining default explicit bucket boundaries when creating histogram instruments. (#​4603)
  • Add Version function in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc. (#​4660)
  • Add Version function in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​4660)
  • Add Summary, SummaryDataPoint, and QuantileValue to go.opentelemetry.io/sdk/metric/metricdata. (#​4622)
  • go.opentelemetry.io/otel/bridge/opencensus.NewMetricProducer now supports exemplars from OpenCensus. (#​4585)
  • Add support for WithExplicitBucketBoundaries in go.opentelemetry.io/otel/sdk/metric. (#​4605)
  • Add support for Summary metrics in go.opentelemetry.io/otel/bridge/opencensus. (#​4668)
Deprecated
  • Deprecate go.opentelemetry.io/otel/bridge/opencensus.NewTracer in favor of opencensus.InstallTraceBridge. (#​4567)
  • Deprecate go.opentelemetry.io/otel/example/fib package is in favor of go.opentelemetry.io/otel/example/dice. (#​4618)
  • Deprecate go.opentelemetry.io/otel/trace.NewNoopTracerProvider. Use the added NewTracerProvider function in go.opentelemetry.io/otel/trace/noop instead. (#​4620)
  • Deprecate go.opentelemetry.io/otel/example/view package in favor of go.opentelemetry.io/otel/example/prometheus. (#​4649)
  • Deprecate go.opentelemetry.io/otel/exporters/otlp/otlpmetric. (#​4693)
Changed
  • go.opentelemetry.io/otel/bridge/opencensus.NewMetricProducer returns a *MetricProducer struct instead of the metric.Producer interface. (#​4583)
  • The TracerProvider in go.opentelemetry.io/otel/trace now embeds the go.opentelemetry.io/otel/trace/embedded.TracerProvider type. This extends the TracerProvider interface and is is a breaking change for any existing implementation. Implementors need to update their implementations based on what they want the default behavior of the interface to be. See the "API Implementations" section of the go.opentelemetry.io/otel/trace package documentation for more information about how to accomplish this. (#​4620)
  • The Tracer in go.opentelemetry.io/otel/trace now embeds the go.opentelemetry.io/otel/trace/embedded.Tracer type. This extends the Tracer interface and is is a breaking change for any existing implementation. Implementors need to update their implementations based on what they want the default behavior of the interface to be. See the "API Implementations" section of the go.opentelemetry.io/otel/trace package documentation for more informationabout how to accomplish this. (#​4620)
  • The Span in go.opentelemetry.io/otel/trace now embeds the go.opentelemetry.io/otel/trace/embedded.Span type. This extends the Span interface and is is a breaking change for any existing implementation. Implementors need to update their implementations based on what they want the default behavior of the interface to be. See the "API Implementations" section of the go.opentelemetry.io/otel/trace package documentation for more information about how to accomplish this. (#​4620)
  • go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc does no longer depend on go.opentelemetry.io/otel/exporters/otlp/otlpmetric. (#​4660)
  • go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp does no longer depend on go.opentelemetry.io/otel/exporters/otlp/otlpmetric. (#​4660)
  • Retry for 502 Bad Gateway and 504 Gateway Timeout HTTP statuses in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​4670)
  • Retry for 502 Bad Gateway and 504 Gateway Timeout HTTP statuses in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#​4670)
  • Retry for RESOURCE_EXHAUSTED only if RetryInfo is returned in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc. (#​4669)
  • Retry for RESOURCE_EXHAUSTED only if RetryInfo is returned in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. (#​4669)
  • Retry temporary HTTP request failures in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​4679)
  • Retry temporary HTTP request failures in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#​4679)
Fixed
  • Fix improper parsing of characters such us +, / by Parse in go.opentelemetry.io/otel/baggage as they were rendered as a whitespace. (#​4667)
  • Fix improper parsing of characters such us +, / passed via OTEL_RESOURCE_ATTRIBUTES in go.opentelemetry.io/otel/sdk/resource as they were rendered as a whitespace. (#​4699)
  • Fix improper parsing of characters such us +, / passed via OTEL_EXPORTER_OTLP_HEADERS and OTEL_EXPORTER_OTLP_METRICS_HEADERS in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc as they were rendered as a whitespace. (#​4699)
  • Fix improper parsing of characters such us +, / passed via OTEL_EXPORTER_OTLP_HEADERS and OTEL_EXPORTER_OTLP_METRICS_HEADERS in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp as they were rendered as a whitespace. (#​4699)
  • Fix improper parsing of characters such us +, / passed via OTEL_EXPORTER_OTLP_HEADERS and OTEL_EXPORTER_OTLP_TRACES_HEADERS in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlptracegrpc as they were rendered as a whitespace. (#​4699)
  • Fix improper parsing of characters such us +, / passed via OTEL_EXPORTER_OTLP_HEADERS and OTEL_EXPORTER_OTLP_TRACES_HEADERS in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlptracehttp as they were rendered as a whitespace. (#​4699)
  • In go.opentelemetry.op/otel/exporters/prometheus, the exporter no longer Collects metrics after Shutdown is invoked. (#​4648)
  • Fix documentation for WithCompressor in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. (#​4695)
  • Fix documentation for WithCompressor in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc. (#​4695)

v1.19.0: /v0.42.0/v0.0.7

Compare Source

This release contains the first stable release of the OpenTelemetry Go metric SDK. Our project stability guarantees now apply to the go.opentelemetry.io/otel/sdk/metric package. See our versioning policy for more information about these stability guarantees.

Added
  • Add the "Roll the dice" getting started application example in go.opentelemetry.io/otel/example/dice. (#​4539)
  • The WithWriter and WithPrettyPrint options to go.opentelemetry.io/otel/exporters/stdout/stdoutmetric to set a custom io.Writer, and allow displaying the output in human-readable JSON. (#​4507)
Changed
  • Allow '/' characters in metric instrument names. (#​4501)
  • The exporter in go.opentelemetry.io/otel/exporters/stdout/stdoutmetric does not prettify its output by default anymore. (#​4507)
  • Upgrade gopkg.io/yaml from v2 to v3 in go.opentelemetry.io/otel/schema. (#​4535)
Fixed
  • In go.opentelemetry.op/otel/exporters/prometheus, don't try to create the Prometheus metric on every Collect if we know the scope is invalid. (#​4499)
Removed
  • Remove "go.opentelemetry.io/otel/bridge/opencensus".NewMetricExporter, which is replaced by NewMetricProducer. (#​4566)

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.18.0...v1.19.0

v1.18.0: /v0.41.0/v0.0.6

Compare Source

This release drops the compatibility guarantee of Go 1.19.

Added
  • Add WithProducer option in go.opentelemetry.op/otel/exporters/prometheus to restore the ability to register producers on the prometheus exporter's manual reader. (#​4473)
  • Add IgnoreValue option in go.opentelemetry.io/otel/sdk/metric/metricdata/metricdatatest to allow ignoring values when comparing metrics. (#​4447)
Deprecated
  • The NewMetricExporter in go.opentelemetry.io/otel/bridge/opencensus was deprecated in v0.35.0 (#​3541). The deprecation notice format for the function has been corrected to trigger Go documentation and build tooling. (#​4470)
Removed
  • Removed the deprecated go.opentelemetry.io/otel/exporters/jaeger package. (#​4467)
  • Removed the deprecated go.opentelemetry.io/otel/example/jaeger package. (#​4467)
  • Removed the deprecated go.opentelemetry.io/otel/sdk/metric/aggregation package. (#​4468)
  • Removed the deprecated internal packages in go.opentelemetry.io/otel/exporters/otlp and its sub-packages. (#​4469)
  • Dropped guaranteed support for versions of Go less than 1.20. (#​4481)
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.17.0...v1.18.0

v1.17.0: /v0.40.0/v0.5.0

Compare Source

Added
  • Export the ManualReader struct in go.opentelemetry.io/otel/sdk/metric. (#​4244)
  • Export the PeriodicReader struct in go.opentelemetry.io/otel/sdk/metric. (#​4244)
  • Add support for exponential histogram aggregations. A histogram can be configured as an exponential histogram using a view with "go.opentelemetry.io/otel/sdk/metric".ExponentialHistogram as the aggregation. (#​4245)
  • Export the Exporter struct in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc. (#​4272)
  • Export the Exporter struct in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​4272)
  • The exporters in go.opentelemetry.io/otel/exporters/otlp/otlpmetric now support the OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE environment variable. (#​4287)
  • Add WithoutCounterSuffixes option in go.opentelemetry.io/otel/exporters/prometheus to disable addition of _total suffixes. (#​4306)
  • Add info and debug logging to the metric SDK in go.opentelemetry.io/otel/sdk/metric. (#​4315)
  • The go.opentelemetry.io/otel/semconv/v1.21.0 package. The package contains semantic conventions from the v1.21.0 version of the OpenTelemetry Semantic Conventions. (#​4362)
  • Accept 201 to 299 HTTP status as success in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp and go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#​4365)
  • Document the Temporality and Aggregation methods of the "go.opentelemetry.io/otel/sdk/metric".Exporter" need to be concurrent safe. (#​4381)
  • Expand the set of units supported by the Prometheus exporter, and don't add unit suffixes if they are already present in go.opentelemetry.op/otel/exporters/prometheus (#​4374)
  • Move the Aggregation interface and its implementations from go.opentelemetry.io/otel/sdk/metric/aggregation to go.opentelemetry.io/otel/sdk/metric. (#​4435)
  • The exporters in go.opentelemetry.io/otel/exporters/otlp/otlpmetric now support the OTEL_EXPORTER_OTLP_METRICS_DEFAULT_HISTOGRAM_AGGREGATION environment variable. (#​4437)
  • Add the NewAllowKeysFilter and NewDenyKeysFilter functions to go.opentelemetry.io/otel/attribute to allow convenient creation of allow-keys and deny-keys filters. (#​4444)
Changed
  • Starting from v1.21.0 of semantic conventions, go.opentelemetry.io/otel/semconv/{version}/httpconv and go.opentelemetry.io/otel/semconv/{version}/netconv packages will no longer be published. (#​4145)
  • Log duplicate instrument conflict at a warning level instead of info in go.opentelemetry.io/otel/sdk/metric. (#​4202)
  • Return an error on the creation of new instruments in go.opentelemetry.io/otel/sdk/metric if their name doesn't pass regexp validation. (#​4210)
  • NewManualReader in go.opentelemetry.io/otel/sdk/metric returns *ManualReader instead of Reader. (#​4244)
  • NewPeriodicReader in go.opentelemetry.io/otel/sdk/metric returns *PeriodicReader instead of Reader. (#​4244)
  • Count the Collect time in the PeriodicReader timeout in go.opentelemetry.io/otel/sdk/metric. (#​4221)
  • The function New in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc returns *Exporter instead of "go.opentelemetry.io/otel/sdk/metric".Exporter. (#​4272)
  • The function New in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp returns *Exporter instead of "go.opentelemetry.io/otel/sdk/metric".Exporter. (#​4272)
  • If an attribute set is omitted from an async callback, the previous value will no longer be exported in go.opentelemetry.io/otel/sdk/metric. (#​4290)
  • If an attribute set is observed multiple times in an async callback in go.opentelemetry.io/otel/sdk/metric, the values will be summed instead of the last observation winning. (#​4289)
  • Allow the explicit bucket histogram aggregation to be used for the up-down counter, observable counter, observable up-down counter, and observable gauge in the go.opentelemetry.io/otel/sdk/metric package. (#​4332)
  • Restrict Meters in go.opentelemetry.io/otel/sdk/metric to only register and collect instruments it created. (#​4333)
  • PeriodicReader.Shutdown and PeriodicReader.ForceFlush in go.opentelemetry.io/otel/sdk/metric now apply the periodic reader's timeout to the operation if the user provided context does not contain a deadline. (#​4356, #​4377)
  • Upgrade all use of go.opentelemetry.io/otel/semconv to use v1.21.0. (#​4408)
  • Increase instrument name maximum length from 63 to 255 characters in go.opentelemetry.io/otel/sdk/metric. (#​4434)
  • Add go.opentelemetry.op/otel/sdk/metric.WithProducer as an Option for "go.opentelemetry.io/otel/sdk/metric".NewManualReader and "go.opentelemetry.io/otel/sdk/metric".NewPeriodicReader. (#​4346)
Removed
  • Remove Reader.RegisterProducer in go.opentelemetry.io/otel/metric. Use the added WithProducer option instead. (#​4346)
  • Remove Reader.ForceFlush in go.opentelemetry.io/otel/metric. Notice that PeriodicReader.ForceFlush is still available. (#​4375)
Fixed
  • Correctly format log messages from the go.opentelemetry.io/otel/exporters/zipkin exporter. (#​4143)
  • Log an error for calls to NewView in go.opentelemetry.io/otel/sdk/metric that have empty criteria. (#​4307)
  • Fix "go.opentelemetry.io/otel/sdk/resource".WithHostID() to not set an empty host.id. (#​4317)
  • Use the instrument identifying fields to cache aggregators and determine duplicate instrument registrations in go.opentelemetry.io/otel/sdk/metric. (#​4337)
  • Detect duplicate instruments for case-insensitive names in go.opentelemetry.io/otel/sdk/metric. (#​4338)
  • The ManualReader will not panic if AggregationSelector returns nil in go.opentelemetry.io/otel/sdk/metric. (#​4350)
  • If a Reader's AggregationSelector returns nil or DefaultAggregation the pipeline will use the default aggregation. (#​4350)
  • Log a suggested view that fixes instrument conflicts in go.opentelemetry.io/otel/sdk/metric. (#​4349)
  • Fix possible panic, deadlock and race condition in batch span processor in go.opentelemetry.io/otel/sdk/trace. (#​4353)
  • Improve context cancellation handling in batch span processor's ForceFlush in go.opentelemetry.io/otel/sdk/trace. (#​4369)
  • Decouple go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal from go.opentelemetry.io/otel/exporters/otlp/internal using gotmpl. (#​4397, #​3846)
  • Decouple go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc/internal from go.opentelemetry.io/otel/exporters/otlp/internal and go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal using gotmpl. (#​4404, #​3846)
  • Decouple go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp/internal from go.opentelemetry.io/otel/exporters/otlp/internal and go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal using gotmpl. (#​4407, #​3846)
  • Decouple go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal from go.opentelemetry.io/otel/exporters/otlp/internal and go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal using gotmpl. (#​4400, #​3846)
  • Decouple go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal from go.opentelemetry.io/otel/exporters/otlp/internal and go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal using gotmpl. (#​4401, #​3846)
  • Do not block the metric SDK when OTLP metric exports are blocked in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc and go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​3925, #​4395)
  • Do not append _total if the counter already has that suffix for the Prometheus exproter in go.opentelemetry.io/otel/exporter/prometheus. (#​4373)
  • Fix resource detection data race in go.opentelemetry.io/otel/sdk/resource. (#​4409)
  • Use the first-seen instrument name during instrument name conflicts in go.opentelemetry.io/otel/sdk/metric. (#​4428)
Deprecated
  • The go.opentelemetry.io/otel/exporters/jaeger package is deprecated. OpenTelemetry dropped support for Jaeger exporter in July 2023. Use go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp or go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc instead. (#​4423)
  • The go.opentelemetry.io/otel/example/jaeger package is deprecated. (#​4423)
  • The go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal package is deprecated. (#​4420)
  • The go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal/oconf package is deprecated. (#​4420)
  • The go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal/otest package is deprecated. (#​4420)
  • The go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal/transform package is deprecated. (#​4420)
  • The go.opentelemetry.io/otel/exporters/otlp/internal package is deprecated. (#​4421)
  • The go.opentelemetry.io/otel/exporters/otlp/internal/envconfig package is deprecated. (#​4421)
  • The go.opentelemetry.io/otel/exporters/otlp/internal/retry package is deprecated. (#​4421)
  • The go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal package is deprecated. (#​4425)
  • The go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/envconfig package is deprecated. (#​4425)
  • The go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig package is deprecated. (#​4425)
  • The go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlptracetest package is deprecated. (#​4425)
  • The go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/retry package is deprecated. (#​4425)
  • The go.opentelemetry.io/otel/sdk/metric/aggregation package is deprecated. Use the aggregation types added to go.opentelemetry.io/otel/sdk/metric instead. (#​4435)
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.16.0...v1.17.0

v1.16.0: /v0.39.0 -- Stable Metric API

Compare Source

This release contains the first stable release of the OpenTelemetry Go metric API. Our project stability guarantees now apply to the go.opentelemetry.io/otel/metric package. See our versioning policy for more information about these stability guarantees.

What's Changed
Added
  • The go.opentelemetry.io/otel/semconv/v1.19.0 package. The package contains semantic conventions from the v1.19.0 version of the OpenTelemetry specification. (#​3848)
  • The go.opentelemetry.io/otel/semconv/v1.20.0 package. The package contains semantic conventions from the v1.20.0 version of the OpenTelemetry specification. (#​4078)
Changed
  • Use strings.Cut() instead of string.SplitN() for better readability and memory use. (#​4049)
Removed
  • The deprecated go.opentelemetry.io/otel/metric/instrument package is removed. Use go.opentelemetry.io/otel/metric instead. (#​4055)
Fixed
  • Fix build for BSD based systems in go.opentelemetry.io/otel/sdk/resource. (#​4077)
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.15.1...v1.16.0

v1.15.1: /v0.38.1

Compare Source

What's Changed
Fixed
  • Remove unused imports from sdk/resource/host_id_bsd.go which caused build failures. (#​4040, #​4041)
New Contributors

Full Changelog: https://github.com/open-telemetry/opentelemetry-go/compare/v1.15.0...v1.15.1

v1.15.0: /v0.38.0

Compare Source

Added
  • The go.opentelemetry.io/otel/metric/embedded package. (#​3916)
  • The Version function to go.opentelemetry.io/otel/sdk to return the SDK version. (#​3949)
  • Add a WithNamespace option to go.opentelemetry.io/otel/exporters/prometheus to allow users to prefix metrics with a namespace. (#​3970)
  • The following configuration types were added to go.opentelemetry.io/otel/metric/instrument to be used in the configuration of measurement methods. (#​3971)
    • The AddConfig used to hold configuration for addition measurements
      • NewAddConfig used to create a new AddConfig
      • AddOption used to configure an AddConfig
    • The RecordConfig used to hold configuration for recorded measurements
      • NewRecordConfig used to create a new RecordConfig
      • RecordOption used to configure a RecordConfig
    • The ObserveConfig used to hold configuration for observed measurements
      • NewObserveConfig used to create a new ObserveConfig
      • ObserveOption used to configure an ObserveConfig
  • WithAttributeSet and WithAttributes are added to go.opentelemetry.io/otel/metric/instrument. They return an option used during a measurement that defines the attribute Set associated with the measurement. (#​3971)
  • The Version function to go.opentelemetry.io/otel/exporters/otlp/otlpmetric to return the OTLP metrics client version. (#​3956)
  • The Version function to go.opentelemetry.io/otel/exporters/otlp/otlptrace to return the OTLP trace client version. (#​3956)
Changed
  • The Extrema in go.opentelemetry.io/otel/sdk/metric/metricdata is redefined with a generic argument of [N int64 | float64]. (#​3870)
  • Update all exported interfaces from go.opentelemetry.io/otel/metric to embed their corresponding interface from go.opentelemetry.io/otel/metric/embedded. This adds an implementation requirement to set the interface default behavior for unimplemented methods. (#​3916)
  • Move No-Op implementation from go.opentelemetry.io/otel/metric into its own package go.opentelemetry.io/otel/metric/noop. (#​3941)
    • metric.NewNoopMeterProvider is replaced with noop.NewMeterProvider
  • Add all the methods from "go.opentelemetry.io/otel/trace".SpanContext to bridgeSpanContext by embedding otel.SpanContext in bridgeSpanContext. (#​3966)
  • Wrap UploadMetrics error in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/ to improve error message when encountering generic grpc errors. (#​3974)
  • The measurement methods for all instruments in go.opentelemetry.io/otel/metric/instrument accept an option instead of the variadic "go.opentelemetry.io/otel/attribute".KeyValue. (#​3971)
    • The Int64Counter.Add method now accepts ...AddOption
    • The Float64Counter.Add method now accepts ...AddOption
    • The Int64UpDownCounter.Add method now accepts ...AddOption
    • The Float64UpDownCounter.Add method now accepts ...AddOption
    • The Int64Histogram.Record method now accepts ...RecordOption
    • The Float64Histogram.Record method now accepts ...RecordOption
    • The Int64Observer.Observe method now accepts ...ObserveOption
    • The Float64Observer.Observe method now accepts ...ObserveOption
  • The Observer methods in go.opentelemetry.io/otel/metric accept an option instead of the variadic "go.opentelemetry.io/otel/attribute".KeyValue. (#​3971)
    • The Observer.ObserveInt64 method now accepts ...ObserveOption
    • The Observer.ObserveFloat64 method now accepts ...ObserveOption
  • Move global metric back to go.opentelemetry.io/otel/metric/global from go.opentelemetry.io/otel. (#​3986)
Fixed
  • TracerProvider allows calling Tracer() while it's shutting down. It used to deadlock. (#​3924)
  • Use the SDK version for the Telemetry SDK resource detector in go.opentelemetry.io/otel/sdk/resource. (#​3949)
  • Fix a data race in SpanProcessor returned by NewSimpleSpanProcessor in go.opentelemetry.io/otel/sdk/trace. (#​3951)
  • Automatically figure out the default aggregation with aggregation.Default. (#​3967)
Deprecated
  • The go.opentelemetry.io/otel/metric/instrument package is deprecated. Use the equivalent types added to go.opentelemetry.io/otel/metric instead. (#​4018)

v1.14.0: /v0.37.0/v0.0.4

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Part of https://github.com/open-telemetry/opentelemetry-go/issues/3809

This release is the last to support Go 1.18. The next release will require at least Go 1.19.

Added
  • The event type semantic conventions are added to go.opentelemetry.io/otel/semconv/v1.17.0. (#​3697)
  • Support Go 1.20. (#​3693)
  • The go.opentelemetry.io/otel/semconv/v1.18.0 package. The package contains semantic conventions from the v1.18.0 version of the OpenTelemetry specification. (#​3719)
    • The following const renames from go.opentelemetry.io/otel/semconv/v1.17.0 are included:
      • OtelScopeNameKey -> OTelScopeNameKey
      • OtelScopeVersionKey -> OTelScopeVersionKey
      • OtelLibraryNameKey -> OTelLibraryNameKey
      • OtelLibraryVersionKey -> OTelLibraryVersionKey
      • OtelStatusCodeKey -> OTelStatusCodeKey
      • OtelStatusDescriptionKey -> OTelStatusDescriptionKey
      • OtelStatusCodeOk -> OTelStatusCodeOk
      • OtelStatusCodeError -> OTelStatusCodeError
    • The following func renames from go.opentelemetry.io/otel/semconv/v1.17.0 are included:
      • OtelScopeName -> OTelScopeName
      • OtelScopeVersion -> OTelScopeVersion
      • OtelLibraryName -> OTelLibraryName
      • OtelLibraryVersion -> OTelLibraryVersion
      • OtelStatusDescription -> OTelStatusDescription
  • A IsSampled method is added to the SpanContext implementation in go.opentelemetry.io/otel/bridge/opentracing to expose the span sampled state. See the README for more information. (#​3570)
  • The WithInstrumentationAttributes option to go.opentelemetry.io/otel/metric. (#​3738)
  • The WithInstrumentationAttributes option to go.opentelemetry.io/otel/trace. (#​3739)
  • The following environment variables are supported by the periodic Reader in go.opentelemetry.io/otel/sdk/metric. (#​3763)
    • OTEL_METRIC_EXPORT_INTERVAL sets the time between collections and exports.
    • OTEL_METRIC_EXPORT_TIMEOUT sets the timeout an export is attempted.
Changed
  • Fall-back to TextMapCarrier when it's not HttpHeaders in go.opentelemetry.io/otel/bridge/opentracing. (#​3679)
  • The Collect method of the "go.opentelemetry.io/otel/sdk/metric".Reader interface is updated to accept the metricdata.ResourceMetrics value the collection will be made into. This change is made to enable memory reuse by SDK users. (#​3732)
  • The WithUnit option in go.opentelemetry.io/otel/sdk/metric/instrument is updated to accept a string for the unit value. (#​3776)
Fixed
  • Ensure go.opentelemetry.io/otel does not use generics. (#​3723, #​3725)
  • Multi-reader MeterProviders now export metrics for all readers, instead of just the first reader. (#​3720, #​3724)
  • Remove use of deprecated "math/rand".Seed in go.opentelemetry.io/otel/example/prometheus. (#​3733)
  • Do not silently drop unknown schema data with Parse in go.opentelemetry.io/otel/schema/v1.1. (#​3743)
  • Data race issue in OTLP exporter retry mechanism. (#​3755, #​3756)
  • Wrapping empty errors when exporting in go.opentelemetry.io/otel/sdk/metric. (#​3698, #​3772)
  • Incorrect "all" and "resource" definition for schema files in go.opentelemetry.io/otel/schema/v1.1. (#​3777)
Deprecated
  • The go.opentelemetry.io/otel/metric/unit package is deprecated. Use the equivalent unit string instead. (#​3776)
    • Use "1" instead of unit.Dimensionless
    • Use "By" instead of unit.Bytes
    • Use "ms" instead of unit.Milliseconds

v1.13.0: /v0.36.0

Compare Source

1.13.0/0.36.0 2023-02-07
Added
  • Attribute KeyValue creations functions to go.opentelemetry.io/otel/semconv/v1.17.0 for all non-enum semantic conventions. These functions ensure semantic convention type correctness. (#​3675)
Fixed
  • Removed the http.target attribute from being added by ServerRequest in the following packages. (#​3687)
    • go.opentelemetry.io/otel/semconv/v1.13.0/httpconv
    • go.opentelemetry.io/otel/semconv/v1.14.0/httpconv
    • go.opentelemetry.io/otel/semconv/v1.15.0/httpconv
    • go.opentelemetry.io/otel/semconv/v1.16.0/httpconv
    • go.opentelemetry.io/otel/semconv/v1.17.0/httpconv
Removed
  • The deprecated go.opentelemetry.io/otel/metric/instrument/asyncfloat64 package is removed. (#​3631)
  • The deprecated go.opentelemetry.io/otel/metric/instrument/asyncint64 package is removed. (#​3631)
  • The deprecated go.opentelemetry.io/otel/metric/instrument/syncfloat64 package is removed. (#​3631)
  • The deprecated go.opentelemetry.io/otel/metric/instrument/syncint64 package is removed. (#​3631)

v1.12.0: /v0.35.0

Compare Source

Added
  • The WithInt64Callback option to go.opentelemetry.io/otel/metric/instrument. This options is used to configure int64 Observer callbacks during their creation. (#​3507)
  • The WithFloat64Callback option to go.opentelemetry.io/otel/metric/instrument. This options is used to configure float64 Observer callbacks during their creation. (#​3507)
  • The Producer interface and Reader.RegisterProducer(Producer) to go.opentelemetry.io/otel/sdk/metric. These additions are used to enable external metric Producers. (#​3524)
  • The Callback function type to go.opentelemetry.io/otel/metric. This new named function type is registered with a Meter. (#​3564)
  • The go.opentelemetry.io/otel/semconv/v1.13.0 package. The package contains semantic conventions from the v1.13.0 version of the OpenTelemetry specification. (#​3499)
    • The EndUserAttributesFromHTTPRequest function in go.opentelemetry.io/otel/semconv/v1.12.0 is merged into ClientRequest and ServerRequest in go.opentelemetry.io/otel/semconv/v1.13.0/httpconv.
    • The HTTPAttributesFromHTTPStatusCode function in go.opentelemetry.io/otel/semconv/v1.12.0 is merged into ClientResponse in go.opentelemetry.io/otel/semconv/v1.13.0/httpconv.
    • The HTTPClientAttributesFromHTTPRequest function in go.opentelemetry.io/otel/semconv/v1.12.0 is replaced by ClientRequest in go.opentelemetry.io/otel/semconv/v1.13.0/httpconv.
    • The HTTPServerAttributesFromHTTPRequest function in go.opentelemetry.io/otel/semconv/v1.12.0 is replaced by ServerRequest in go.opentelemetry.io/otel/semconv/v1.13.0/httpconv.
    • The HTTPServerMetricAttributesFromHTTPRequest function in go.opentelemetry.io/otel/semconv/v1.12.0 is replaced by ServerRequest in go.opentelemetry.io/otel/semconv/v1.13.0/httpconv.
    • The NetAttributesFromHTTPRequest function in go.opentelemetry.io/otel/semconv/v1.12.0 is split into Transport in go.opentelemetry.io/otel/semconv/v1.13.0/netconv and ClientRequest or ServerRequest in go.opentelemetry.io/otel/semconv/v1.13.0/httpconv.
    • The SpanStatusFromHTTPStatusCode function in go.opentelemetry.io/otel/semconv/v1.12.0 is replaced by ClientStatus in go.opentelemetry.io/otel/semconv/v1.13.0/httpconv.
    • The SpanStatusFromHTTPStatusCodeAndSpanKind function in go.opentelemetry.io/otel/semconv/v1.12.0 is split into ClientStatus and ServerStatus in go.opentelemetry.io/otel/semconv/v1.13.0/httpconv.
    • The Client function is included in go.opentelemetry.io/otel/semconv/v1.13.0/netconv to generate attributes for a net.Conn.
    • The Server function is included in go.opentelemetry.io/otel/semconv/v1.13.0/netconv to generate attributes for a net.Listener.
  • The go.opentelemetry.io/otel/semconv/v1.14.0 package. The package contains semantic conventions from the v1.14.0 version of the OpenTelemetry specification. (#​3566)
  • The go.opentelemetry.io/otel/semconv/v1.15.0 package. The package contains semantic conventions from the v1.15.0 version of the OpenTelemetry specification. (#​3578)
  • The go.opentelemetry.io/otel/semconv/v1.16.0 package. The package contains semantic conventions from the v1.16.0 version of the OpenTelemetry specification. (#​3579)
  • Metric instruments to go.opentelemetry.io/otel/metric/instrument. These instruments are use as replacements of the depreacted go.opentelemetry.io/otel/metric/instrument/{asyncfloat64,asyncint64,syncfloat64,syncint64} packages.(#​3575, #​3586)
    • Float64ObservableCounter replaces the asyncfloat64.Counter
    • Float64ObservableUpDownCounter replaces the asyncfloat64.UpDownCounter
    • Float64ObservableGauge replaces the asyncfloat64.Gauge
    • Int64ObservableCounter replaces the asyncint64.Counter
    • Int64ObservableUpDownCounter replaces the asyncint64.UpDownCounter
    • Int64ObservableGauge replaces the asyncint64.Gauge
    • Float64Counter replaces the syncfloat64.Counter
    • Float64UpDownCounter replaces the syncfloat64.UpDownCounter
    • Float64Histogram replaces the syncfloat64.Histogram
    • Int64Counter replaces the syncint64.Counter
    • Int64UpDownCounter replaces the syncint64.UpDownCounter
    • Int64Histogram replaces the syncint64.Histogram
  • NewTracerProvider to go.opentelemetry.io/otel/bridge/opentracing. This is used to create WrapperTracer instances from a TracerProvider. (#​3116)
  • The Extrema type to go.opentelemetry.io/otel/sdk/metric/metricdata. This type is used to represent min/max values and still be able to distinguish unset and zero values. (#​3487)
  • The go.opentelemetry.io/otel/semconv/v1.17.0 package. The package contains semantic conventions from the v1.17.0 version of the OpenTelemetry specification. (#​3599)
Changed
  • Jaeger and Zipkin exporter use github.com/go-logr/logr as the logging interface, and add the WithLogr option. (#​3497, #​3500)
  • Instrument configuration in go.opentelemetry.io/otel/metric/instrument is split into specific options and confguration based on the instrument type. (#​3507)
    • Use the added Int64Option type to configure instruments from go.opentelemetry.io/otel/metric/instrument/syncint64.
    • Use the added Float64Option type to configure instruments from go.opentelemetry.io/otel/metric/instrument/syncfloat64.
    • Use the added Int64ObserverOption type to configure instruments from go.opentelemetry.io/otel/metric/instrument/asyncint64.
    • Use the added Float64ObserverOption type to configure instruments from go.opentelemetry.io/otel/metric/instrument/asyncfloat64.
  • Return a Registration from the RegisterCallback method of a Meter in the go.opentelemetry.io/otel/metric package. This Registration can be used to unregister callbacks. (#​3522)
  • Global error handler uses an atomic value instead of a mutex. (#​3543)
  • Add NewMetricProducer to go.opentelemetry.io/otel/bridge/opencensus, which can be used to pass OpenCensus metrics to an OpenTelemetry Reader. (#​3541)
  • Global logger uses an atomic value instead of a mutex. (#​3545)
  • The Shutdown method of the "go.opentelemetry.io/otel/sdk/trace".TracerProvider releases all computational resources when called the first time. (#​3551)
  • The Sampler returned from TraceIDRatioBased go.opentelemetry.io/otel/sdk/trace now uses the rightmost bits for sampling decisions. This fixes random sampling when using ID generators like xray.IDGenerator and increasing parity with other language implementations. (#​3557)
  • Errors from go.opentelemetry.io/otel/exporters/otlp/otlptrace exporters are wrapped in erros identifying their signal name. Existing users of the exporters attempting to identify specific errors will need to use errors.Unwrap() to get the underlying error. (#​3516)
  • Exporters from go.opentelemetry.io/otel/exporters/otlp will print the final retryable error message when attempts to retry time out. (#​3514)
  • The instrument kind names in go.opentelemetry.io/otel/sdk/metric are updated to match the API. (#​3562)
    • InstrumentKindSyncCounter is renamed to InstrumentKindCounter
    • InstrumentKindSyncUpDownCounter is renamed to InstrumentKindUpDownCounter
    • InstrumentKindSyncHistogram is renamed to InstrumentKindHistogram
    • InstrumentKindAsyncCounter is renamed to InstrumentKindObservableCounter
    • InstrumentKindAsyncUpDownCounter is renamed to InstrumentKindObservableUpDownCounter
    • InstrumentKindAsyncGauge is renamed to InstrumentKindObservableGauge
  • The RegisterCallback method of the Meter in go.opentelemetry.io/otel/metric changed.
    • The named Callback replaces the inline function parameter. (#​3564)
    • Callback is required to return an error. (#​3576)
    • Callback accepts the added Observer parameter added. This new parameter is used by Callback implementations to observe values for asynchronous instruments instead of calling the Observe method of the instrument directly. (#​3584)
    • The slice of instrument.Asynchronous is now passed as a variadic argument. (#​3587)
  • The exporter from go.opentelemetry.io/otel/exporters/zipkin is updated to use the v1.16.0 version of semantic conventions. This means it no longer uses the removed net.peer.ip or http.host attributes to determine the remote endpoint. Instead it uses the net.sock.peer attributes. (#​3581)
  • The Min and Max fields of the HistogramDataPoint in go.opentelemetry.io/otel/sdk/metric/metricdata are now defined with the added Extrema type instead of a *float64. (#​3487)
Fixed
  • Asynchronous instruments that use sum aggregators and attribute filters correctly add values from equivalent attribute sets that have been filtered. (#​3439, #​3549)
  • The RegisterCallback method of the Meter from go.opentelemetry.io/otel/sdk/metric only registers a callback for instruments created by that meter. Trying to register a callback with instruments from a different meter will result in an error being returned. (#​3584)
Deprecated
  • The NewMetricExporter in go.opentelemetry.io/otel/bridge/opencensus is deprecated. Use NewMetricProducer instead. (#​3541)
  • The go.opentelemetry.io/otel/metric/instrument/asyncfloat64 package is deprecated. Use the instruments from go.opentelemetry.io/otel/metric/instrument instead. (#​3575)
  • The go.opentelemetry.io/otel/metric/instrument/asyncint64 package is deprecated. Use the instruments from go.opentelemetry.io/otel/metric/instrument instead. (#​3575)
  • The go.opentelemetry.io/otel/metric/instrument/syncfloat64 package is deprecated. Use the instruments from go.opentelemetry.io/otel/metric/instrument instead. (#​3575)
  • The go.opentelemetry.io/otel/metric/instrument/syncint64 package is deprecated. Use the instruments from go.opentelemetry.io/otel/metric/instrument instead. (#​3575)
  • The NewWrappedTracerProvider in go.opentelemetry.io/otel/bridge/opentracing is now deprecated. Use NewTracerProvider instead. (#​3116)
Removed
  • The deprecated go.opentelemetry.io/otel/sdk/metric/view package is removed. (#​3520)
  • The InstrumentProvider from go.opentelemetry.io/otel/sdk/metric/asyncint64 is removed. Use the new creation methods of the Meter in go.opentelemetry.io/otel/sdk/metric instead. (#​3530)
    • The Counter method is replaced by Meter.Int64ObservableCounter
    • The UpDownCounter method is replaced by Meter.Int64ObservableUpDownCounter
    • The Gauge method is replaced by Meter.Int64ObservableGauge
  • The InstrumentProvider from go.opentelemetry.io/otel/sdk/metric/asyncfloat64 is removed. Use the new creation methods of the Meter in go.opentelemetry.io/otel/sdk/metric instead. (#​3530)
    • The Counter method is replaced by Meter.Float64ObservableCounter
    • The UpDownCounter method is replaced by Meter.Float64ObservableUpDownCounter
    • The Gauge method is replaced by Meter.Float64ObservableGauge
  • The InstrumentProvider from go.opentelemetry.io/otel/sdk/metric/syncint64 is removed. Use the new creation methods of the Meter in go.opentelemetry.io/otel/sdk/metric instead. (#​3530)
    • The Counter method is replaced by Meter.Int64Counter
    • The UpDownCounter method is replaced by Meter.Int64UpDownCounter
    • The Histogram method is replaced by Meter.Int64Histogram
  • The InstrumentProvider from go.opentelemetry.io/otel/sdk/metric/syncfloat64 is removed. Use the new creation methods of the Meter in go.opentelemetry.io/otel/sdk/metric instead. (#​3530)
    • The Counter method is replaced by Meter.Float64Counter
    • The UpDownCounter method is replaced by Meter.Float64UpDownCounter
    • The Histogram method is replaced by Meter.Float64Histogram

v1.11.2: /0.34.0

Compare Source

Added
  • The WithView Option is added to the go.opentelemetry.io/otel/sdk/metric package. This option is used to configure the view(s) a MeterProvider will use for all Readers that are registered with it. (#​3387)
  • Add Instrumentation Scope and Version as info metric and label in Prometheus exporter. This can be disabled using the WithoutScopeInfo() option added to that package.(#​3273, #​3357)
  • OTLP exporters now recognize: (#​3363)
    • OTEL_EXPORTER_OTLP_INSECURE
    • OTEL_EXPORTER_OTLP_TRACES_INSECURE
    • OTEL_EXPORTER_OTLP_METRICS_INSECURE
    • OTEL_EXPORTER_OTLP_CLIENT_KEY
    • OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY
    • OTEL_EXPORTER_OTLP_METRICS_CLIENT_KEY
    • OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE
    • OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE
    • OTEL_EXPORTER_OTLP_METRICS_CLIENT_CERTIFICATE
  • The View type and related NewView function to create a view according to the OpenTelemetry specification are added to go.opentelemetry.io/otel/sdk/metric. These additions are replacements for the View type and New function from go.opentelemetry.io/otel/sdk/metric/view. (#​3459)
  • The Instrument and InstrumentKind type are added to go.opentelemetry.io/otel/sdk/metric. These additions are replacements for the Instrument and InstrumentKind types from go.opentelemetry.io/otel/sdk/metric/view. (#​3459)
  • The Stream type is added to go.opentelemetry.io/otel/sdk/metric to define a metric data stream a view will produce. (#​3459)
  • The AssertHasAttributes allows instrument authors to test that datapoints returned have appropriate attributes. (#​3487)
Changed
  • The "go.opentelemetry.io/otel/sdk/metric".WithReader option no longer accepts views to associate with the Reader. Instead, views are now registered directly with the MeterProvider via the new WithView option. The views registered with the MeterProvider apply to all Readers. (#​3387)
  • The Temporality(view.InstrumentKind) metricdata.Temporality and Aggregation(view.InstrumentKind) aggregation.Aggregation methods are added to the "go.opentelemetry.io/otel/sdk/metric".Exporter interface. (#​3260)
  • The Temporality(view.InstrumentKind) metricdata.Temporality and Aggregation(view.InstrumentKind) aggregation.Aggregation methods are added to the "go.opentelemetry.io/otel/exporters/otlp/otlpmetric".Client interface. (#​3260)
  • The WithTemporalitySelector and WithAggregationSelector ReaderOptions have been changed to ManualReaderOptions in the go.opentelemetry.io/otel/sdk/metric package. (#​3260)
  • The periodic reader in the go.opentelemetry.io/otel/sdk/metric package now uses the temporality and aggregation selectors from its configured exporter instead of accepting them as options. (#​3260)
Fixed
  • The go.opentelemetry.io/otel/exporters/prometheus exporter fixes duplicated _total suffixes. (#​3369)
  • Remove comparable requirement for Readers. (#​3387)
  • Cumulative metrics from the OpenCensus bridge (go.opentelemetry.io/otel/bridge/opencensus) are defined as monotonic sums, instead of non-monotonic. (#​3389)
  • Asynchronous counters (Counter and UpDownCounter) from the metric SDK now produce delta sums when configured with delta temporality. (#​3398)
  • Exported Status codes in the go.opentelemetry.io/otel/exporters/zipkin exporter are now exported as all upper case values. (#​3340)
  • Aggregations from go.opentelemetry.io/otel/sdk/metric with no data are not exported. (#​3394, #​3436)
  • Reenabled Attribute Filters in the Metric SDK. (#​3396)
  • Asynchronous callbacks are only called if they are registered with at least one instrument that does not use drop aggragation. (#​3408)
  • Do not report empty partial-success responses in the go.opentelemetry.io/otel/exporters/otlp exporters. (#​3438, #​3432)
  • Handle partial success responses in go.opentelemetry.io/otel/exporters/otlp/otlpmetric exporters. (#​3162, #​3440)
  • Prevent duplicate Prometheus description, unit, and type. (#​3469)
  • Prevents panic when using incorrect attribute.Value.As[Type]Slice(). (#​3489)
Removed
  • The go.opentelemetry.io/otel/exporters/otlp/otlpmetric.Client interface is removed. (#​3486)
  • The go.opentelemetry.io/otel/exporters/otlp/otlpmetric.New function is removed. Use the otlpmetric[http|grpc].New directly. (#​3486)
Deprecated
  • The go.opentelemetry.io/otel/sdk/metric/view package is deprecated. Use Instrument, InstrumentKind, View, and NewView in go.opentelemetry.io/otel/sdk/metric instead. (#​3476)

v1.11.1: /v0.33.0

Compare Source

Added
  • The Prometheus exporter in go.opentelemetry.io/otel/exporters/prometheus registers with a Prometheus registerer on creation. By default, it will register with the default Prometheus default registerer. A non-default registerer can be used by passing the WithRegisterer option. (#​3239)
  • Added the WithAggregationSelector option to the go.opentelemetry.io/otel/exporters/prometheus package to change the default AggregationSelector used. (#​3341)
  • The Prometheus exporter in go.opentelemetry.io/otel/exporters/prometheus converts the Resource associated with metric exports into a target_info metric. (#​3285)
Changed
  • The "go.opentelemetry.io/otel/exporters/prometheus".New function is updated to return an error. It will return an error if the exporter fails to register with Prometheus. (#​3239)
Fixed
  • The URL-encoded values from the OTEL_RESOURCE_ATTRIBUTES environment variable are decoded. (#​2963)
  • The baggage.NewMember function decodes the value parameter instead of directly using it. This fixes the implementation to be compliant with the W3C specification. (#​3226)
  • Slice attributes of the attribute package are now comparable based on their value, not instance. (#​3108 #​3252)
  • The Shutdown and ForceFlush methods of the "go.opentelemetry.io/otel/sdk/trace".TraceProvider no longer return an error when no processor is registered. (#​3268)
  • The Prometheus exporter in go.opentelemetry.io/otel/exporters/prometheus cumulatively sums histogram buckets. (#​3281)
  • The sum of each histogram data point is now uniquely exported by the go.opentelemetry.io/otel/exporters/otlpmetric exporters. (#​3284, #​3293)
  • Recorded values for asynchronous counters (Counter and UpDownCounter) are interpreted as exact, not incremental, sum values by the metric SDK. (#​3350, #​3278)
  • UpDownCounters are now correctly output as Prometheus gauges in the go.opentelemetry.io/otel/exporters/prometheus exporter. (#​3358)
  • The Prometheus exporter in go.opentelemetry.io/otel/exporters/prometheus no longer describes the metrics it will send to Prometheus on startup. Instead the exporter is defined as an "unchecked" collector for Prometheus. This fixes the reader is not registered warning currently emitted on startup. (#​3291 #​3342)
  • The go.opentelemetry.io/otel/exporters/prometheus exporter now correctly adds _total suffixes to counter metrics. (#​3360)
  • The go.opentelemetry.io/otel/exporters/prometheus exporter now adds a unit suffix to metric names. This can be disabled using the WithoutUnits() option added to that package. (#​3352)

v1.11.0: /v0.32.3

Compare Source

Retracts the v0.32.2 version of go.opentelemetry.io/otel/exporters/otlpmetric/otlpmetricgrpc and go.opentelemetry.io/otel/exporters/otlpmetric/otlpmetrichttp given they include unresolvable dependencies.

Added
  • Add default User-Agent header to OTLP exporter requests (go.opentelemetry.io/otel/exporters/otlptrace/otlptracegrpc and go.opentelemetry.io/otel/exporters/otlptrace/otlptracehttp). (#​3261)
Changed
  • span.SetStatus has been updated such that calls that lower the status are now no-ops. (#​3214)
  • Upgrade golang.org/x/sys/unix from v0.0.0-20210423185535-09eb48e85fd7 to v0.0.0-20220919091848-fb04ddd9f9c8. This addresses GO-2022-0493. (#​3235)

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