CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

Added

• Document how to work with fork process web server models(Gunicorn, uWSGI etc...) (#1609)
• Add max_attr_value_length support to Jaeger exporter (#1633)
• Moved use_span from Tracer to opentelemetry.trace.use_span. (#1668)
• opentelemetry.trace.use_span() will now overwrite previously set status on span in case an exception is raised inside the context manager and set_status_on_exception is set to True. (#1668)
• Add udp_split_oversized_batches support to jaeger exporter (#1500)

Changed

• remove service_name from constructor of jaeger and opencensus exporters and use of env variable OTEL_PYTHON_SERVICE_NAME ([#1669])(open-telemetry#1669)
• Rename IdsGenerator to IdGenerator (#1651)
• Make TracerProvider's resource attribute private (#1652)
• Rename Resource's create_empty to get_empty (#1653)
• Renamed BatchExportSpanProcessor to BatchSpanProcessor and SimpleExportSpanProcessor to SimpleSpanProcessor (#1656)
• Rename DefaultSpan to NonRecordingSpan (#1661)
• Fixed distro configuration with OTEL_TRACES_EXPORTER env var set to otlp (#1657)
• Moving Getter, Setter and TextMapPropagator out of opentelemetry.trace.propagation and into opentelemetry.propagators (#1662)
• Rename BaggagePropagator to W3CBaggagePropagator (#1663)
• Rename JaegerSpanExporter to JaegerExporter and rename ZipkinSpanExporter to ZipkinExporter (#1664)
• Expose StatusCode from the opentelemetry.trace module (#1681)
• Status now only sets description when status_code is set to StatusCode.ERROR (#1673)
• Update OTLP exporter to use OTLP proto 0.7.0 (#1674)
• Remove time_ns from API and add a warning for older versions of Python (#1602)
• Hide implementation classes/variables in api/sdk (#1684)
• Cleanup OTLP exporter compression options, add tests (#1671)
• Initial documentation for environment variables (#1680)
• Change Zipkin exporter to obtain service.name from span (#1696)
• Split up opentelemetry-exporter-jaeger package into opentelemetry-exporter-jaeger-proto and opentelemetry-exporter-jaeger-thrift packages to reduce dependencies for each one. (#1694)

Removed

• Removed unused get_hexadecimal_trace_id and get_hexadecimal_span_id methods. (#1675)
• Remove OTEL_EXPORTER_*_ INSECURE env var (#1682)

0.18b0 - 2021-02-16

Added

• Add urllib to opentelemetry-bootstrap target list (#1584)

1.0.0rc1 - 2021-02-12

Changed

• Tracer provider environment variables are now consistent with the rest (#1571)
• Rename TRACE_ to TRACES_ for environment variables (#1595)
• Limits for Span attributes, events and links have been updated to 128 (1597)
• Read-only Span attributes have been moved to ReadableSpan class (#1560)
• BatchExportSpanProcessor flushes export queue when it reaches max_export_batch_size (#1521)

Added

• Added end_on_exit argument to start_as_current_span (#1519)
• Add Span.set_attributes method to set multiple values with one call (#1520)
• Make sure Resources follow semantic conventions (#1480)
• Allow missing carrier headers to continue without raising AttributeError (#1545)

Removed

• Remove Configuration (#1523)
• Remove Metrics as part of stable, marked as experimental (#1568)

0.17b0 - 2021-01-20

Added

• Add support for OTLP v0.6.0 (#1472)
• Add protobuf via gRPC exporting support for Jaeger (#1471)
• Add support for Python 3.9 (#1441)
• Added the ability to disable instrumenting libraries specified by OTEL_PYTHON_DISABLED_INSTRUMENTATIONS env variable, when using opentelemetry-instrument command. (#1461)
• Add fields to propagators (#1374)
• Add local/remote samplers to parent based sampler (#1440)
• Add support for OTEL_SPAN_{ATTRIBUTE_COUNT_LIMIT,EVENT_COUNT_LIMIT,LINK_COUNT_LIMIT} (#1377)
• Return None for DictGetter if key not found (#1449)
• Added support for Jaeger propagator (#1219)
• Remove dependency on SDK from opentelemetry-instrumentation package. The opentelemetry-sdk package now registers an entrypoint opentelemetry_configurator to allow opentelemetry-instrument to load the configuration for the SDK (#1420)
• opentelemetry-exporter-zipkin Add support for array attributes in Span and Resource exports (#1285)
• Added __repr__ for DefaultSpan, added trace_flags to __repr__ of SpanContext (#1485)
• opentelemetry-sdk Add support for OTEL_TRACE_SAMPLER and OTEL_TRACE_SAMPLER_ARG env variables (#1496)
• Adding opentelemetry-distro package to add default configuration for span exporter to OTLP (#1482)

Changed

• opentelemetry-exporter-zipkin Updated zipkin exporter status code and error tag (#1486)
• Recreate span on every run of a start_as_current_span-decorated function (#1451)
• opentelemetry-exporter-otlp Headers are now passed in as tuple as metadata, instead of a string, which was incorrect. (#1507)
• opentelemetry-exporter-jaeger Updated Jaeger exporter status code tag (#1488)
• opentelemetry-api opentelemety-sdk Moved idsgenerator into sdk (#1514)
• opentelemetry-sdk The B3Format propagator has been moved into its own package: opentelemetry-propagator-b3 (#1513)
• Update default port for OTLP exporter from 55680 to 4317 (#1516)
• opentelemetry-exporter-zipkin Update boolean attribute value transformation (#1509)
• Move opentelemetry-opentracing-shim out of instrumentation folder (#1533)
• opentelemetry-sdk The JaegerPropagator has been moved into its own package: opentelemetry-propagator-jaeger (#1525)
• opentelemetry-exporter-jaeger, opentelemetry-exporter-zipkin Update InstrumentationInfo tag keys for Jaeger and Zipkin exporters (#1535)
• opentelemetry-sdk Remove rate property setter from TraceIdRatioBasedSampler (#1536)
• Fix TraceState to adhere to specs (#1502)
• Update Resource merge key conflict precedence (#1544)

Removed

• opentelemetry-api Remove ThreadLocalRuntimeContext since python3.4 is not supported.

0.16b1 - 2020-11-26

Added

• Add meter reference to observers (#1425)

0.16b0 - 2020-11-25

Added

• Add optional parameter to record_exception method (#1314)
• Add pickle support to SpanContext class (#1380)
• Add instrumentation library name and version to OTLP exported metrics (#1418)
• Add Gzip compression for exporter (#1141)
• Support for v2 api protobuf format (#1318)
• Add IDs Generator as Configurable Property of Auto Instrumentation (#1404)
• Added support for OTEL_EXPORTER to the opentelemetry-instrument command (#1036)

Changed

• Change temporality for Counter and UpDownCounter (#1384)
• OTLP exporter: Handle error case when no credentials supplied (#1366)
• Update protobuf versions (#1356)
• Add missing references to instrumented packages (#1416)
• Instrumentation Package depends on the OTel SDK (#1405)
• Allow samplers to modify tracestate (#1319)
• Update exception handling optional parameters, add escaped attribute to record_exception (#1365)
• Rename MetricRecord to ExportRecord (#1367)
• Rename Record to Accumulation (#1373)
• Rename Meter to Accumulator (#1372)
• Fix ParentBased sampler for implicit parent spans. Fix also trace_state erasure for dropped spans or spans sampled by the TraceIdRatioBased sampler. (#1394)

0.15b0 -2020-11-02

Added

• Add Env variables in OTLP exporter (#1101)
• Add support for Jaeger Span Exporter configuration by environment variables and
  change JaegerSpanExporter constructor parameters (#1114)

Changed

• Updating status codes to adhere to specs (#1282)
• Set initial checkpoint timestamp in aggregators (#1237)
• Make SpanProcessor.on_start accept parent Context (#1251)
• Fix b3 propagator entrypoint (#1265)
• Allow None in sequence attributes values (#998)
• Samplers to accept parent Context (#1267)
• Span.is_recording() returns false after span has ended (#1289)
• Allow samplers to modify tracestate (#1319)
• Remove TracerProvider coupling from Tracer init (#1295)

0.14b0 - 2020-10-13

Added

• Add optional parameter to record_exception method (#1242)
• Add support for OTEL_PROPAGATORS (#1123)
• Add keys method to TextMap propagator Getter (#1196)
• Add timestamps to OTLP exporter (#1199)
• Add Global Error Handler (#1080)
• Add support for OTEL_BSP_MAX_QUEUE_SIZE, OTEL_BSP_SCHEDULE_DELAY_MILLIS, OTEL_BSP_MAX_EXPORT_BATCH_SIZE and OTEL_BSP_EXPORT_TIMEOUT_MILLIS environment variables (#1105)
• Adding Resource to MeterRecord (#1209) s

Changed

• Store ints as ints in the global Configuration object (#1118)
• Allow for Custom Trace and Span IDs Generation - IdsGenerator for TracerProvider (#1153)
• Update baggage propagation header (#1194)
• Make instances of SpanContext immutable (#1134)
• Parent is now always passed in via Context, intead of Span or SpanContext (#1146)
• Update OpenTelemetry protos to v0.5.0 (#1143)
• Zipkin exporter now accepts a max_tag_value_length attribute to customize the maximum allowed size a tag value can have. (#1151)
• Fixed OTLP events to Zipkin annotations translation. (#1161)
• Fixed bootstrap command to correctly install opentelemetry-instrumentation-falcon instead of opentelemetry-instrumentation-flask. (#1138)
• Update sampling result names (#1128)
• Event attributes are now immutable (#1195)
• Renaming metrics Batcher to Processor (#1203)
• Protect access to Span implementation (#1188)
• start_as_current_span and use_span can now optionally auto-record any exceptions raised inside the context manager. (#1162)

0.13b0 - 2020-09-17

Added

• Add instrumentation info to exported spans (#1095)
• Add metric OTLP exporter (#835)
• Add type hints to OTLP exporter (#1121)
• Add support for OTEL_EXPORTER_ZIPKIN_ENDPOINT env var. As part of this change, the configuration of the ZipkinSpanExporter exposes a url argument to replace host_name, port, protocol, endpoint. This brings this implementation inline with other implementations. (#1064)
• Zipkin exporter report instrumentation info. (#1097)
• Add status mapping to tags (#1111)
• Report instrumentation info (#1098)
• Add support for http metrics (#1116)
• Populate resource attributes as per semantic conventions (#1053)

Changed

• Refactor SpanContext.is_valid from a method to a data attribute (#1005)
• Moved samplers from API to SDK (#1023)
• Change return value type of correlationcontext.get_correlations to immutable MappingProxyType (#1024)
• Sampling spec changes (#1034)
• Remove lazy Event and Link API from Span interface (#1045)
• Rename CorrelationContext to Baggage (#1060)
• Rename HTTPTextFormat to TextMapPropagator. This change also updates get_global_httptextformat and set_global_httptextformat to get_global_textmap and set_global_textmap (#1085)
• Fix api/sdk setup.cfg to include missing python files (#1091)
• Improve BatchExportSpanProcessor (#1062)
• Rename Resource labels to attributes (#1082)
• Rename members of trace.sampling.Decision enum (#1115)
• Merge OTELResourceDetector result when creating resources (#1096)

Removed

• Drop support for Python 3.4 (#1099)

0.12b0 - 2020-08-14

Added

• Implement Views in metrics SDK (#596)

Changed

• Update environment variable names, prefix changed from OPENTELEMETRY to OTEL (#904)
• Stop TracerProvider and MeterProvider from being overridden (#959)
• Update default port to 55680 (#977)
• Add proper length zero padding to hex strings of traceId, spanId, parentId sent on the wire, for compatibility with jaeger-collector (#908)
• Send start_timestamp and convert labels to strings (#937)
• Renamed several packages (#953)
• Thrift URL for Jaeger exporter doesn't allow HTTPS (hardcoded to HTTP) (#978)
• Change reference names to opentelemetry-instrumentation-opentracing-shim (#969)
• Changed default Sampler to ParentOrElse(AlwaysOn) (#960)
• Update environment variable names, prefix changed from OPENTELEMETRY to OTEL (#904)
• Update environment variable OTEL_RESOURCE to OTEL_RESOURCE_ATTRIBUTES as per the specification

0.11b0 - 2020-07-28

Added

• Add support for resources and resource detector (#853)

Changed

• Return INVALID_SPAN if no TracerProvider set for get_current_span (#751)
• Rename record_error to record_exception (#927)
• Update span exporter to use OpenTelemetry Proto v0.4.0 (#872)

0.10b0 - 2020-06-23

Changed

• Regenerate proto code and add pyi stubs (#823)
• Rename CounterAggregator -> SumAggregator (#816)

0.9b0 - 2020-06-10

Added

• Adding trace.get_current_span, Removing Tracer.get_current_span (#552)
• Add SumObserver, UpDownSumObserver and LastValueAggregator in metrics (#789)
• Add start_pipeline to MeterProvider (#791)
• Initial release of opentelemetry-ext-otlp, opentelemetry-proto

Changed

• Move stateful & resource from Meter to MeterProvider (#751)
• Rename Measure to ValueRecorder in metrics (#761)
• Rename Observer to ValueObserver (#764)
• Log a warning when replacing the global Tracer/Meter provider (#856)
• bugfix: byte type attributes are decoded before adding to attributes dict (#775)
• Rename opentelemetry-auto-instrumentation to opentelemetry-instrumentation, and console script opentelemetry-auto-instrumentation to opentelemetry-instrument

0.8b0 - 2020-05-27

Added

• Add a new bootstrap command that enables automatic instrument installations. (#650)

Changed

• Handle boolean, integer and float values in Configuration (#662)
• bugfix: ensure status is always string (#640)
• Transform resource to tags when exporting (#707)
• Rename otcollector to opencensus (#695)
• Transform resource to tags when exporting (#645)
• ext/boto: Could not serialize attribute aws.region to tag when exporting via jaeger Serialize tuple type values by coercing them into a string, since Jaeger does not support tuple types. (#865)
• Validate span attribute types in SDK (#678)
• Specify to_json indent from arguments (#718)
• Span.resource will now default to an empty resource (#724)
• bugfix: Fix error message (#729)
• deep copy empty attributes (#714)

0.7b1 - 2020-05-12

Added

• Add reset for the global configuration object, for testing purposes (#636)
• Add support for programmatic instrumentation (#579)

Changed

• tracer.get_tracer now optionally accepts a TracerProvider (#602)
• Configuration object can now be used by any component of opentelemetry, including 3rd party instrumentations (#563)
• bugfix: configuration object now matches fields in a case-sensitive manner (#583)
• bugfix: configuration object now accepts all valid python variable names (#583)
• bugfix: configuration undefined attributes now return None instead of raising an AttributeError. (#583)
• bugfix: 'debug' field is now correct (#549)
• bugfix: enable auto-instrumentation command to work for custom entry points (e.g. flask_run) (#567)
• Exporter API: span parents are now always spancontext (#548)
• Console span exporter now prints prettier, more legible messages (#505)
• bugfix: B3 propagation now retrieves parentSpanId correctly (#621)
• bugfix: a DefaultSpan now longer causes an exception when used with tracer (#577)
• move last_updated_timestamp into aggregators instead of bound metric instrument (#522)
• bugfix: suppressing instrumentation in metrics to eliminate an infinite loop of telemetry (#529)
• bugfix: freezing span attribute sequences, reducing potential user errors (#529)

0.6b0 - 2020-03-30

Added

• Add support for lazy events and links (#474)
• Adding is_remote flag to SpanContext, indicating when a span is remote (#516)
• Adding a solution to release metric handles and observers (#435)
• Initial release: opentelemetry-instrumentation

Changed

• Metrics API no longer uses LabelSet (#527)
• Allow digit as first char in vendor specific trace state key (#511)
• Exporting to collector now works (#508)

0.5b0 - 2020-03-16

Added

• Adding Correlation Context API/SDK and propagator (#471)
• Adding a global configuration module to simplify setting and getting globals (#466)
• Adding named meters, removing batchers (#431)
• Adding attach/detach methods as per spec (#429)
• Adding OT Collector metrics exporter (#454)
• Initial release opentelemetry-ext-otcollector

Changed

• Rename metric handle to bound metric instrument (#470)
• Moving resources to sdk (#464)
• Implementing propagators to API to use context (#446)
• Renaming TraceOptions to TraceFlags (#450)
• Renaming TracerSource to TracerProvider (#441)
• Improve validation of attributes (#460)
• Re-raise errors caught in opentelemetry.sdk.trace.Tracer.use_span() (#469)
• Implement observer instrument (#425)

0.4a0 - 2020-02-21

Added

• Added named Tracers (#301)
• Add int and valid sequenced to AttributeValue type (#368)
• Add ABC for Metric (#391)
• Metrics export pipeline, and stdout exporter (#341)
• Adding Context API Implementation (#395)
• Adding trace.get_tracer function (#430)
• Add runtime validation for set_attribute (#348)
• Add support for B3 ParentSpanID (#286)
• Implement MinMaxSumCount aggregator (#422)
• Initial release opentelemetry-ext-zipkin, opentelemetry-ext-prometheus

Changed

• Separate Default classes from interface descriptions (#311)
• Export span status (#367)
• Export span kind (#387)
• Set status for ended spans (#297 and #358)
• Use module loggers (#351)
• Protect start_time and end_time from being set manually by the user (#363)
• Set status in start_as_current_span (#377)
• Implement force_flush for span processors (#389)
• Set sampled flag on sampling trace (#407)
• Add io and formatter options to console exporter (#412)
• Clean up ProbabilitySample for 64 bit trace IDs (#238)

Removed

• Remove monotonic and absolute metric instruments (#410)

0.3a0 - 2019-12-11

Added

• Add metrics exporters (#192)
• Implement extract and inject support for HTTP_HEADERS and TEXT_MAP formats (#256)

Changed

• Multiple tracing API/SDK changes
• Multiple metrics API/SDK changes

Removed

• Remove option to create unstarted spans from API (#290)

0.2a0 - 2019-10-29

Added

• W3C TraceContext fixes and compliance tests (#228)
• Sampler API/SDK (#225)
• Initial release: opentelemetry-ext-jaeger, opentelemetry-opentracing-shim

Changed

• Multiple metrics API/SDK changes
• Multiple tracing API/SDK changes
• Multiple context API changes
• Multiple bugfixes and improvements

0.1a0 - 2019-09-30

Added

• Initial release api/sdk