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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

  • Add Python 3.12 to tox (#3616)

Version 1.25.0/0.46b0 (2024-05-30)

  • Fix class BoundedAttributes to have RLock rather than Lock (#3859)
  • Remove thread lock by loading RuntimeContext explicitly. (#3763)
  • Update proto version to v1.2.0 (#3844)
  • Add to_json method to ExponentialHistogram (#3780)
  • Bump mypy to 1.9.0 (#3795)
  • Fix exponential histograms (#3798)
  • Fix otlp exporter to export log_record.observed_timestamp (#3785)
  • Add capture the fully qualified type name for raised exceptions in spans (#3837)
  • Prometheus exporter sort label keys to prevent duplicate metrics when user input changes order (#3698)
  • Update semantic conventions to version 1.25.0. Refactor semantic-convention structure:
    • SpanAttributes, ResourceAttributes, and MetricInstruments are deprecated.
    • Attribute and metric definitions are now grouped by the namespace.
    • Stable attributes and metrics are moved to opentelemetry.semconv.attributes and opentelemetry.semconv.metrics modules.
    • Stable and experimental attributes and metrics are defined under opentelemetry.semconv._incubating import path. (#3586)
  • Rename test objects to avoid pytest warnings ([#3823] (open-telemetry#3823))
  • Add span flags to OTLP spans and links (#3881)
  • Record links with invalid SpanContext if either attributes or TraceState are not empty (#3917)
  • Add OpenTelemetry trove classifiers to PyPI packages ([#3913] (open-telemetry#3913))
  • Fix prometheus metric name and unit conversion (#3924)
    • this is a breaking change to prometheus metric names so they comply with the specification.
    • you can temporarily opt-out of the unit normalization by setting the environment variable OTEL_PYTHON_EXPERIMENTAL_DISABLE_PROMETHEUS_UNIT_NORMALIZATION=true
    • common unit abbreviations are converted to Prometheus conventions (s -> seconds), following the collector's implementation
    • repeated _ are replaced with a single _
    • unit annotations (enclosed in curly braces like {requests}) are stripped away
    • units with slash are converted e.g. m/s -> meters_per_second.
    • The exporter's API is not changed
  • Add parameters for Distros and configurators to configure autoinstrumentation in addition to existing environment variables. ([#3864] (open-telemetry#3864))

Version 1.24.0/0.45b0 (2024-03-28)

  • Make create_gauge non-abstract method (#3817)
  • Make tracer.start_as_current_span() decorator work with async functions (#3633)
  • Fix python 3.12 deprecation warning (#3751)
  • bump mypy to 0.982 (#3776)
  • Add support for OTEL_SDK_DISABLED environment variable (#3648)
  • Fix ValueError message for PeriodicExportingMetricsReader (#3769)
  • Use BaseException instead of Exception in record_exception (#3354)
  • Make span.record_exception more robust (#3778)
  • Fix license field in pyproject.toml files (#3803)

Version 1.23.0/0.44b0 (2024-02-23)

  • Use Attribute rather than boundattribute in logrecord (#3567)
  • Fix flush error when no LoggerProvider configured for LoggingHandler (#3608)
  • Add Span.add_link() method to add link after span start (#3618)
  • Fix OTLPMetricExporter ignores preferred_aggregation property (#3603)
  • Logs: set observed_timestamp field (#3565)
  • Add missing Resource SchemaURL in OTLP exporters (#3652)
  • Fix loglevel warning text (#3566)
  • Prometheus Exporter string representation for target_info labels (#3659)
  • Logs: ObservedTimestamp field is missing in console exporter output (#3564)
  • Fix explicit bucket histogram aggregation (#3429)
  • Add code.lineno, code.function and code.filepath to all logs (#3675)
  • Add Synchronous Gauge instrument (#3462)
  • Drop support for 3.7 (#3668)
  • Include key in attribute sequence warning (#3639)
  • Upgrade markupsafe, Flask and related dependencies to dev and test environments (#3609)
  • Handle HTTP 2XX responses as successful in OTLP exporters (#3623)
  • Improve Resource Detector timeout messaging (#3645)
  • Add Proxy classes for logging (#3575)
  • Remove dependency on 'backoff' library (#3679)

Version 1.22.0/0.43b0 (2023-12-15)

  • Prometheus exporter sanitize info metric (#3572)
  • Remove Jaeger exporters (#3554)
  • Log stacktrace on UNKNOWN status OTLP export error (#3536)
  • Fix OTLPExporterMixin shutdown timeout period (#3524)
  • Handle taskName logrecord attribute (#3557)

Version 1.21.0/0.42b0 (2023-11-01)

  • Fix SumAggregation  (#3390)
  • Fix handling of empty metric collection cycles (#3335)
  • Fix error when no LoggerProvider configured for LoggingHandler (#3423)
  • Make opentelemetry_metrics_exporter entrypoint support pull exporters (#3428)
  • Allow instrument names to have '/' and up to 255 characters (#3442)
  • Do not load Resource on sdk import (#3447)
  • Update semantic conventions to version 1.21.0 (#3251)
  • Add missing schema_url in global api for logging and metrics (#3251)
  • Prometheus exporter support for auto instrumentation (#3413)
  • Implement Process Resource detector (#3472)

Version 1.20.0/0.41b0 (2023-09-04)

  • Modify Prometheus exporter to translate non-monotonic Sums into Gauges (#3306)

Version 1.19.0/0.40b0 (2023-07-13)

  • Drop setuptools runtime requirement. (#3372)
  • Update the body type in the log ($3343)
  • Add max_scale option to Exponential Bucket Histogram Aggregation (#3323)
  • Use BoundedAttributes instead of raw dict to extract attributes from LogRecord (#3310)
  • Support dropped_attributes_count in LogRecord and exporters (#3351)
  • Add unit to view instrument selection criteria (#3341)
  • Upgrade opentelemetry-proto to 0.20 and regen #3355)
  • Include endpoint in Grpc transient error warning #3362)
  • Fixed bug where logging export is tracked as trace #3375)
  • Default LogRecord observed_timestamp to current timestamp #3377)

Version 1.18.0/0.39b0 (2023-05-19)

  • Select histogram aggregation with an environment variable (#3265)
  • Move Protobuf encoding to its own package (#3169)
  • Add experimental feature to detect resource detectors in auto instrumentation (#3181)
  • Fix exporting of ExponentialBucketHistogramAggregation from opentelemetry.sdk.metrics.view (#3240)
  • Fix headers types mismatch for OTLP Exporters (#3226)
  • Fix suppress instrumentation for log batch processor (#3223)
  • Add speced out environment variables and arguments for BatchLogRecordProcessor (#3237)
  • Add benchmark tests for metrics (#3267)

Version 1.17.0/0.38b0 (2023-03-22)

  • Implement LowMemory temporality (#3223)
  • PeriodicExportingMetricReader will continue if collection times out (#3100)
  • Fix formatting of ConsoleMetricExporter. (#3197)
  • Fix use of built-in samplers in SDK configuration (#3176)
  • Implement shutdown procedure forOTLP grpc exporters (#3138)
  • Add exponential histogram (#2964)
  • Add OpenCensus trace bridge/shim (#3210)

Version 1.16.0/0.37b0 (2023-02-17)

  • Change __all__ to be statically defined. (#3143)
  • Remove the ability to set a global metric prefix for Prometheus exporter (#3137)
  • Adds environment variables for log exporter (#3037)
  • Add attribute name to type warning message. (3124)
  • Add db metric name to semantic conventions (#3115)
  • Fix User-Agent header value for OTLP exporters to conform to RFC7231 & RFC7230 (#3128)
  • Fix validation of baggage values (#3058)
  • Fix capitalization of baggage keys (#3151)
  • Bump min required api version for OTLP exporters (#3156)
  • deprecate jaeger exporters (#3158)
  • Create a single resource instance (#3118)

Version 1.15.0/0.36b0 (2022-12-09)

  • PeriodicExportingMetricsReader with +Inf interval to support explicit metric collection (#3059)
  • Regenerate opentelemetry-proto to be compatible with protobuf 3 and 4 (#3070)
  • Rename parse_headers to parse_env_headers and improve error message (#2376)
  • Add url decode values from OTEL_RESOURCE_ATTRIBUTES (#3046)
  • Fixed circular dependency issue with custom samplers (#3026)
  • Add missing entry points for OTLP/HTTP exporter (#3027)
  • Update logging to include logging api as per specification (#3038)
  • Fix: Avoid generator in metrics _ViewInstrumentMatch.collect() (#3035
  • [exporter-otlp-proto-grpc] add user agent string (#3009)

Version 1.14.0/0.35b0 (2022-11-04)

  • Add logarithm and exponent mappings (#2960)
  • Add and use missing metrics environment variables (#2968)
  • Enabled custom samplers via entry points (#2972)
  • Update log symbol names (#2943)
  • Update explicit histogram bucket boundaries (#2947)
  • exporter-otlp-proto-http: add user agent string (#2959)
  • Add http-metric instrument names to semantic conventions (#2976)
  • [exporter/opentelemetry-exporter-otlp-proto-http] Add OTLPMetricExporter (#2891)
  • Add support for py3.11 (#2997)
  • Fix a bug with exporter retries for with newer versions of the backoff library (#2980)

Version 1.13.0/0.34b0 (2022-09-26)

  • Add a configurable max_export_batch_size to the gRPC metrics exporter (#2809)
  • Remove support for 3.6 (#2763)
  • Update PeriodicExportingMetricReader to never call export() concurrently (#2873)
  • Add param for indent size to LogRecord.to_json() (#2870)
  • Fix: Remove LogEmitter.flush() to align with OTel Log spec (#2863)
  • Bump minimum required API/SDK version for exporters that support metrics (#2918)
  • Fix metric reader examples + added preferred_temporality and preferred_aggregation for ConsoleMetricExporter (#2911)
  • Add support for setting OTLP export protocol with env vars, as defined in the specifications (#2893)
  • Add force_flush to span exporters (#2919)

Version 1.12.0/0.33b0 (2022-08-08)

  • Add force_flush method to metrics exporter (#2852)
  • Change tracing to use Resource.to_json() (#2784)
  • Fix get_log_emitter instrumenting_module_version args typo (#2830)
  • Fix OTLP gRPC exporter warning message (#2781)
  • Fix tracing decorator with late configuration (#2754)
  • Fix --insecure of CLI argument (#2696)
  • Add temporality and aggregation configuration for metrics exporters, use OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE only for OTLP metrics exporter (#2843)
  • Instrument instances are always created through a Meter (#2844)

Version 1.12.0rc2/0.32b0 (2022-07-04)

  • Fix instrument name and unit regexes (#2796)
  • Add optional sessions parameter to all Exporters leveraging requests.Session (#2783
  • Add min/max fields to Histogram (#2759)
  • opentelemetry-exporter-otlp-proto-http Add support for OTLP/HTTP log exporter (#2462)
  • Fix yield of None-valued points (#2745)
  • Add missing to_json methods (#2722
  • Fix type hints for textmap Getter and Setter (#2657)
  • Fix LogEmitterProvider.force_flush hanging randomly (#2714)
  • narrow protobuf dependencies to exclude protobuf >= 4 (#2720)
  • Specify worker thread names (#2724)
  • Loosen dependency on backoff for newer Python versions (#2726)
  • fix: frozenset object has no attribute items (#2727)
  • fix: create suppress HTTP instrumentation key in opentelemetry context (#2729)
  • Support logs SDK auto instrumentation enable/disable with env (#2728)
  • fix: update entry point object references for metrics (#2731)
  • Allow set_status to accept the StatusCode and optional description (#2735)
  • Configure auto instrumentation to support metrics (#2705)
  • Add entrypoint for metrics exporter (#2748)
  • Fix Jaeger propagator usage with NonRecordingSpan (#2762)
  • Add opentelemetry.propagate module and opentelemetry.propagators package to the API reference documentation (#2785)

Version 1.12.0rc1/0.31b0 (2022-05-17)

  • Fix LoggingHandler to handle LogRecord with exc_info=False (#2690)
  • Make metrics components public (#2684)
  • Update to semantic conventions v1.11.0 (#2669)
  • Update opentelemetry-proto to v0.17.0 (#2668)
  • Add CallbackOptions to observable instrument callback params (#2664)
  • Add timeouts to metric SDK (#2653)
  • Add variadic arguments to metric exporter/reader interfaces (#2654)
  • Added a opentelemetry.sdk.resources.ProcessResourceDetector that adds the 'process.runtime.{name,version,description}' resource attributes when used with the opentelemetry.sdk.resources.get_aggregated_resources API (#2660)
  • Move Metrics API behind internal package (#2651)

Version 1.11.1/0.30b1 (2022-04-21)

  • Add parameter to MetricReader constructor to select aggregation per instrument kind (#2638)
  • Add parameter to MetricReader constructor to select temporality per instrument kind (#2637)
  • Fix unhandled callback exceptions on async instruments (#2614)
  • Rename DefaultCounter, DefaultHistogram, DefaultObservableCounter, DefaultObservableGauge, DefaultObservableUpDownCounter, DefaultUpDownCounter instruments to NoOpCounter, NoOpHistogram, NoOpObservableCounter, NoOpObservableGauge, NoOpObservableUpDownCounter, NoOpUpDownCounter (#2616)
  • Deprecate InstrumentationLibraryInfo and Add InstrumentationScope (#2583)

Version 1.11.0/0.30b0 (2022-04-18)

  • Rename API Measurement for async instruments to Observation (#2617)
  • Add support for zero or more callbacks (#2602)
  • Fix parsing of trace flags when extracting traceparent (#2577)
  • Add default aggregation (#2543)
  • Fix incorrect installation of some exporter “convenience” packages into “site-packages/src” (#2525)
  • Capture exception information as part of log attributes (#2531)
  • Change OTLPHandler to LoggingHandler (#2528)
  • Fix delta histogram sum not being reset on collection (#2533)
  • Add InMemoryMetricReader to metrics SDK (#2540)
  • Drop the usage of name field from log model in OTLP (#2565)
  • Update opentelemetry-proto to v0.15.0 (#2566)
  • Remove enable_default_view option from sdk MeterProvider (#2547)
  • Update otlp-proto-grpc and otlp-proto-http exporters to have more lax requirements for backoff lib (#2575)
  • Add min/max to histogram point (#2581)
  • Update opentelemetry-proto to v0.16.0 (#2619)

Version 1.10.0/0.29b0 (2022-03-10)

  • Docs rework: non-API docs are moving to opentelemetry.io. For details, including a list of pages that have moved, see #2453, and #2498.
  • opentelemetry-exporter-otlp-proto-grpc update SDK dependency to ~1.9. (#2442)
  • bugfix(auto-instrumentation): attach OTLPHandler to root logger (#2450)
  • Bump semantic conventions from 1.6.1 to 1.8.0 (#2461)
  • fix exception handling in get_aggregated_resources (#2464)
  • Fix OTEL_EXPORTER_OTLP_ENDPOINT usage in OTLP HTTP trace exporter (#2493)
  • [exporter/opentelemetry-exporter-prometheus] restore package using the new metrics API (#2321)

Version 1.9.1/0.28b1 (2022-01-29)

  • Update opentelemetry-proto to v0.12.0. Note that this update removes deprecated status codes. (#2415)

Version 1.9.0/0.28b0 (2022-01-26)

  • Fix SpanLimits global span limit defaulting when set to 0 (#2398)
  • Add Python version support policy (#2397)
  • Decode URL-encoded headers in environment variables (#2312)
  • [exporter/opentelemetry-exporter-otlp-proto-grpc] Add OTLPMetricExporter (#2323)
  • Complete metric exporter format and update OTLP exporter (#2364)
  • [api] Add NoOpTracer and NoOpTracerProvider. Marking _DefaultTracer and _DefaultTracerProvider as deprecated. (#2363)
  • [exporter/opentelemetry-exporter-otlp-proto-grpc] Add Sum to OTLPMetricExporter (#2370)
  • [api] Rename _DefaultMeter and _DefaultMeterProvider to NoOpMeter and NoOpMeterProvider. (#2383)
  • [exporter/opentelemetry-exporter-otlp-proto-grpc] Add Gauge to OTLPMetricExporter (#2408)
  • [logs] prevent None from causing problems (#2410)

Version 1.8.0/0.27b0 (2021-12-17)

  • Adds Aggregation and instruments as part of Metrics SDK (#2234)
  • Update visibility of OTEL_METRICS_EXPORTER environment variable (#2303)
  • Adding entrypoints for log emitter provider and console, otlp log exporters (#2253)
  • Rename ConsoleExporter to ConsoleLogExporter (#2307)
  • Adding OTEL_LOGS_EXPORTER environment variable (#2320)
  • Add setuptools to install_requires (#2334)
  • Add otlp entrypoint for log exporter (#2322)
  • Support insecure configuration for OTLP gRPC exporter (#2350)

Version 1.7.1/0.26b1 (2021-11-11)

  • Add support for Python 3.10 (#2207)
  • remove X-B3-ParentSpanId for B3 propagator as per OpenTelemetry specification (#2237)
  • Populate auto.version in Resource if using auto-instrumentation (#2243)
  • Return proxy instruments from ProxyMeter (#2169)
  • Make Measurement a concrete class (#2153)
  • Add metrics API (#1887)
  • Make batch processor fork aware and reinit when needed (#2242)
  • opentelemetry-sdk Sanitize env var resource attribute pairs (#2256)
  • opentelemetry-test start releasing to pypi.org (#2269)

Version 1.6.2/0.25b2 (2021-10-19)

  • Fix parental trace relationship for opentracing follows_from reference (#2180)

Version 1.6.1/0.25b1 (2021-10-18)

  • Fix ReadableSpan property types attempting to create a mapping from a list (#2215)
  • Upgrade GRPC/protobuf related dependency and regenerate otlp protobufs (#2201)
  • Propagation: only warn about oversized baggage headers when headers exist (#2212)

Version 1.6.0/0.25b0 (2021-10-13)

  • Fix race in set_tracer_provider() (#2182)
  • Automatically load OTEL environment variables as options for opentelemetry-instrument (#1969)
  • opentelemetry-semantic-conventions Update to semantic conventions v1.6.1 (#2077)
  • Do not count invalid attributes for dropped (#2096)
  • Fix propagation bug caused by counting skipped entries (#2071)
  • Add entry point for exporters with default protocol (#2093)
  • Renamed entrypoints otlp_proto_http_span, otlp_proto_grpc_span, console_span to remove redundant _span suffix. (#2093)
  • Do not skip sequence attribute on decode error (#2097)
  • opentelemetry-test: Add HttpTestBase to allow tests with actual TCP sockets (#2101)
  • Fix incorrect headers parsing via environment variables (#2103)
  • Add support for OTEL_ATTRIBUTE_COUNT_LIMIT (#2139)
  • Attribute limits no longer apply to Resource attributes (#2138)
  • opentelemetry-exporter-otlp: Add opentelemetry-otlp-proto-http as dependency (#2147)
  • Fix validity calculation for trace and span IDs (#2145)
  • Add schema_url to TracerProvider.get_tracer (#2154)
  • Make baggage implementation w3c spec complaint (#2167)
  • Add name to BatchSpanProcessor worker thread (#2186)

Version 1.5.0/0.24b0 (2021-08-26)

  • Add pre and post instrumentation entry points (#1983)
  • Fix documentation on well known exporters and variable OTEL_TRACES_EXPORTER which were misnamed (#2023)
  • opentelemetry-sdk get_aggregated_resource() returns default resource and service name whenever called (#2013)
  • opentelemetry-distro & opentelemetry-sdk Moved Auto Instrumentation Configurator code to SDK to let distros use its default implementation (#1937)
  • Add Trace ID validation to meet TraceID spec (#1992)
  • Fixed Python 3.10 incompatibility in opentelemetry-opentracing-shim tests (#2018)
  • opentelemetry-sdk added support for OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT (#2044)
  • opentelemetry-sdk Fixed bugs (#2041, #2042 & #2045) in Span Limits (#2044)
  • opentelemetry-sdk Add support for OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT env var (#2056)
  • opentelemetry-sdk Treat limit even vars set to empty values as unset/unlimited. (#2054)
  • opentelemetry-api Attribute keys must be non-empty strings. (#2057)

Version 0.23.1 (2021-07-26)

Changed

  • Fix opentelemetry-bootstrap dependency script. (#1987)

Version 1.4.0/0.23b0 (2021-07-21)

Added

  • Moved opentelemetry-instrumentation to core repository. (#1959)
  • Add support for OTLP Exporter Protobuf over HTTP (#1868)
  • Dropped attributes/events/links count available exposed on ReadableSpans. (#1893)
  • Added dropped count to otlp, jaeger and zipkin exporters. (#1893)

Added

  • Give OTLPHandler the ability to process attributes (#1952)
  • Add global LogEmitterProvider and convenience function get_log_emitter (#1901)
  • Add OTLPHandler for standard library logging module (#1903)

Changed

  • Updated opentelemetry-opencensus-exporter to use service_name of spans instead of resource (#1897)
  • Added descriptions to the env variables mentioned in the opentelemetry-specification (#1898)
  • Ignore calls to Span.set_status with StatusCode.UNSET and also if previous status already had StatusCode.OK. (#1902)
  • Attributes for Link and Resource are immutable as they are for Event, which means any attempt to modify attributes directly will result in a TypeError exception. (#1909)
  • Added BoundedAttributes to the API to make it available for Link which is defined in the API. Marked BoundedDict in the SDK as deprecated as a result. (#1915)
  • Fix OTLP SpanExporter to distinguish spans based off Resource and InstrumentationInfo (#1927)
  • Updating dependency for opentelemetry api/sdk packages to support major version instead of pinning to specific versions. (#1933)
  • opentelemetry-semantic-conventions Generate semconv constants update for OTel Spec 1.5.0 (#1946)

Fixed

  • Updated opentelementry-opentracing-shim ScopeShim to report exceptions in opentelemetry specification format, rather than opentracing spec format. (#1878)

Version 1.3.0/0.22b0 (2021-06-01)

Added

  • Allow span limits to be set programmatically via TracerProvider. (#1877)
  • Added support for CreateKey functionality. (#1853)

Changed

  • Updated get_tracer to return an empty string when passed an invalid name (#1854)
  • Changed AttributeValue sequences to warn mypy users on adding None values to array (#1855)
  • Fixed exporter OTLP header parsing to match baggage header formatting. (#1869)
  • Added optional schema_url field to Resource class (#1871)
  • Update protos to latest version release 0.9.0 (#1873)

Version 1.2.0/0.21b0 (2021-05-11)

Added

  • Added example for running Django with auto instrumentation. (#1803)
  • Added B3SingleFormat and B3MultiFormat propagators to the opentelemetry-propagator-b3 package. (#1823)
  • Added support for OTEL_SERVICE_NAME. (#1829)
  • Lazily read/configure limits and allow limits to be unset. (#1839)
  • Added support for OTEL_EXPORTER_JAEGER_TIMEOUT (#1863)

Changed

  • Fixed OTLP gRPC exporter silently failing if scheme is not specified in endpoint. (#1806)
  • Rename CompositeHTTPPropagator to CompositePropagator as per specification. (#1807)
  • Propagators use the root context as default for extract and do not modify the context if extracting from carrier does not work. (#1811)
  • Fixed b3 propagator entrypoint to point to B3SingleFormat propagator. (#1823)
  • Added b3multi propagator entrypoint to point to B3MultiFormat propagator. (#1823)
  • Improve warning when failing to decode byte attribute (#1810)
  • Fixed inconsistency in parent_id formatting from the ConsoleSpanExporter (#1833)
  • Include span parent in Jaeger gRPC export as CHILD_OF reference ([#1809])(open-telemetry#1809)
  • Fixed sequence values in OTLP exporter not translating (#1818)
  • Update transient errors retry timeout and retryable status codes (#1842)
  • Apply validation of attributes to Resource, move attribute related logic to separate package. (#1834)
  • Fix start span behavior when excess links and attributes are included (#1856)

Removed

  • Moved opentelemetry-instrumentation to contrib repository. (#1797)

Version 1.1.0 (2021-04-20)

Added

  • Added py.typed file to every package. This should resolve a bunch of mypy errors for users. (#1720)
  • Add auto generated trace and resource attributes semantic conventions (#1759)
  • Added SpanKind to should_sample parameters, suggest using parent span context's tracestate instead of manually passed in tracestate in should_sample (#1764)
  • Added experimental HTTP back propagators. (#1762)
  • Zipkin exporter: Add support for timeout and implement shutdown (#1799)

Changed

  • Adjust B3Format propagator to be spec compliant by not modifying context when propagation headers are not present/invalid/empty (#1728)
  • Silence unnecessary warning when creating a new Status object without description. (#1721)
  • Update bootstrap cmd to use exact version when installing instrumentation packages. (#1722)
  • Fix B3 propagator to never return None. (#1750)
  • Added ProxyTracerProvider and ProxyTracer implementations to allow fetching provider and tracer instances before a global provider is set up. (#1726)
  • Added __contains__ to opentelementry.trace.span.TraceState. (#1773)
  • opentelemetry-opentracing-shim Fix an issue in the shim where a Span was being wrapped in a NonRecordingSpan when it wasn't necessary. (#1776)
  • OTLP Exporter now uses the scheme in the endpoint to determine whether to establish a secure connection or not. (#1771)

Version 1.0.0 (2021-03-26)

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-grpc and opentelemetry-exporter-jaeger-thrift packages to reduce dependencies for each one. (#1694)
  • Added opentelemetry-exporter-otlp-proto-grpc and changed opentelemetry-exporter-otlp to install it as a dependency. This will allow for the next package/protocol to also be in its own package. (#1695)
  • Change Jaeger exporters to obtain service.name from span (#1703)
  • Fixed an unset OTEL_TRACES_EXPORTER resulting in an error (#1707)
  • Split Zipkin exporter into opentelemetry-exporter-zipkin-json and opentelemetry-exporter-zipkin-proto-http packages to reduce dependencies. The opentelemetry-exporter-zipkin installs both. (#1699)
  • Make setters and getters optional (#1690)

Removed

  • Removed unused get_hexadecimal_trace_id and get_hexadecimal_span_id methods. (#1675)
  • Remove OTEL_EXPORTER_*_ INSECURE env var (#1682)
  • Removing support for Python 3.5 (#1706)

Version 0.19b0 (2021-03-26)

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)

Removed

  • Removing support for Python 3.5 (#1706)

Version 0.18b0 (2021-02-16)

Added

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

Version 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)

Version 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 OTELSPAN{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.

Version 0.16b1 (2020-11-26)

Added

  • Add meter reference to observers (#1425)

Version 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)

Version 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)

Version 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, instead 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)

Version 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)

Version 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

Version 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)

Version 0.10b0 (2020-06-23)

Changed

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

Version 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

Version 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)

Version 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)

Version 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)

Version 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)

Version 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)

Version 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)

Version 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

Version 0.1a0 (2019-09-30)

Added

  • Initial release api/sdk

  • Use Attribute rather than boundattribute in logrecord (#3567)

  • Fix flush error when no LoggerProvider configured for LoggingHandler (#3608)

  • Fix OTLPMetricExporter ignores preferred_aggregation property (#3603)

  • Logs: set observed_timestamp field (#3565)

  • Add missing Resource SchemaURL in OTLP exporters (#3652)

  • Fix loglevel warning text (#3566)

  • Prometheus Exporter string representation for target_info labels (#3659)

  • Logs: ObservedTimestamp field is missing in console exporter output (#3564)

  • Fix explicit bucket histogram aggregation (#3429)

  • Add code.lineno, code.function and code.filepath to all logs (#3645)

  • Add Synchronous Gauge instrument (#3462)

  • Drop support for 3.7 (#3668)

  • Include key in attribute sequence warning (#3639)

  • Upgrade markupsafe, Flask and related dependencies to dev and test environments (#3609)

  • Handle HTTP 2XX responses as successful in OTLP exporters (#3623)

  • Improve Resource Detector timeout messaging (#3645)

  • Add Proxy classes for logging (#3575)

  • Remove dependency on 'backoff' library (#3679)

  • Make create_gauge non-abstract method (#3817)

  • Make tracer.start_as_current_span() decorator work with async functions (#3633)

  • Fix python 3.12 deprecation warning (#3751)

  • bump mypy to 0.982 (#3776)

  • Add support for OTEL_SDK_DISABLED environment variable (#3648)

  • Fix ValueError message for PeriodicExportingMetricsReader (#3769)

  • Use BaseException instead of Exception in record_exception (#3354)

  • Make span.record_exception more robust (#3778)

  • Fix license field in pyproject.toml files (#3803)