CHANGELOG.md

Changelog

Unreleased

🛑 Breaking changes 🛑

• Remove consumerdata.TraceData (#2551)
• Move consumerdata.MetricsData to internaldata.MetricsData (#2512)
• Remove custom OpenCensus sematic conventions that have equivalent in otel (#2552)
• Remove support for deprecated unmarshaler CustomUnmarshaler, only Unmarshal is supported (#2591)
• Remove deprecated componenterror.CombineErrors (#2598)

v0.21.0 Beta

🛑 Breaking changes 🛑

• Remove deprecated function IsValid from trace/span ID (#2522)
• Remove accessors for deprecated status code (#2521)

💡 Enhancements 💡

• otlphttp exporter: Add compression option for gzip encoding of outgoing http requests (#2502)
• Add ScrapeErrors struct to consumererror to simplify errors usage (#2414)
• Add cors_allowed_headers option to confighttp (#2454)
• Add SASL/SCRAM authentication mechanism on kafka receiver and exporter (#2503)

🧰 Bug fixes 🧰

• otlp receiver: Sets the correct deprecated status code before sending data to the pipeline (#2521)
• Fix IsPermanent to account for wrapped errors (#2455)
• otlp exporter: Preserve original error messages (#2459)

v0.20.0 Beta

🛑 Breaking changes 🛑

• Rename samplingprocessor/probabilisticsamplerprocessor to probabilisticsamplerprocessor (#2392)

💡 Enhancements 💡

• hostmetrics receiver: Refactor to use metrics metadata utilities (#2405, #2406, #2421)
• Add k8s.node semantic conventions (#2425)

v0.19.0 Beta

🛑 Breaking changes 🛑

• Remove deprecated queued_retry processor
• Remove deprecated configs from resource processor: type (set "opencensus.type" key in "attributes.upsert" map instead) and labels (use "attributes.upsert" instead).

💡 Enhancements 💡

• hostmetrics receiver: Refactor load metrics to use generated metrics (#2375)
• Add uptime to the servicez debug page (#2385)
• Add new semantic conventions for AWS (#2365)

🧰 Bug fixes 🧰

• jaeger exporter: Improve connection state logging (#2239)
• pdatagen: Fix slice of values generated code (#2403)
• filterset processor: Avoid returning always nil error in strict filterset (#2399)

v0.18.0 Beta

🛑 Breaking changes 🛑

• Rename host metrics according to metrics spec and rename swap scraper to paging (#2311)

💡 Enhancements 💡

• Add check for NO_WINDOWS_SERVICE environment variable to force interactive mode on Windows (#2272)
• hostmetrics receiver: Add disk/weighted_io_time metric (Linux only) (#2312)
• opencensus exporter: Add queue-retry (#2307)
• filter processor: Filter metrics using resource attributes (#2251)

🧰 Bug fixes 🧰

• fluentforward receiver: Fix string conversions (#2314)
• Fix zipkinv2 translation error tag handling (#2253)

v0.17.0 Beta

💡 Enhancements 💡

• Default config environment variable expansion (#2231)
• prometheusremotewrite exporter: Add batched exports (#2249)
• memorylimiter processor: Introduce soft and hard limits (#2250)

🧰 Bug fixes 🧰

• Fix nits in pdata usage (#2235)
• Convert status to not be a pointer in the Span (#2242)
• Report the error from pprof.StartCPUProfile (#2263)
• Rename service.Application.SignalTestComplete to Shutdown (#2277)

v0.16.0 Beta

🛑 Breaking changes 🛑

• Rename Push functions to be consistent across signals in exporterhelper (#2203)

💡 Enhancements 💡

• Change default OTLP/gRPC port number to 4317, also continue receiving on legacy port 55680 during transition period (#2104).
• kafka exporter: Add support for exporting metrics as otlp Protobuf. (#1966)
• Move scraper helpers to its own scraperhelper package (#2185)
• Add componenthelper package to help build components (#2186)
• Remove usage of custom init/stop in scraper and use start/shutdown from component (#2193)
• Add more trace annotations, so zpages are more useful to determine failures (#2206)
• Add support to skip TLS verification (#2202)
• Expose non-nullable metric types (#2208)
• Expose non-nullable elements from slices of pointers (#2200)

🧰 Bug fixes 🧰

• Change InstrumentationLibrary to be non-nullable (#2196)
• Add support for slices to non-pointers, use non-nullable AnyValue (#2192)
• Fix --set flag to work with {} in configs (#2162)

v0.15.0 Beta

🛑 Breaking changes 🛑

• Remove legacy metrics, they were marked as legacy for ~12 months #2105

💡 Enhancements 💡

• Implement conversion between OpenCensus and OpenTelemetry Summary Metric (#2048)
• Add ability to generate non nullable messages (#2005)
• Implement Summary Metric in Prometheus RemoteWrite Exporter (#2083)
• Add resource_to_telemetry_conversion to exporter helper expose exporter settings (#2060)
• Add CustomRoundTripper function to httpclientconfig (#2085)
• Allow for more logging options to be passed to service (#2132)
• Add config parameters for jaeger receiver (#2068)
• Map unset status code for jaegar translator as per spec (#2134)
• Add more trace annotations to the queue-retry logic (#2136)
• Add config settings for component telemetry (#2148)
• Use net.SplitHostPort for IPv6 support in prometheus receiver (#2154)
• Add --log-format command line option (default to "console") #2177.

🧰 Bug fixes 🧰

• logging exporter: Add Logging for Summary Datapoint (#2084)
• hostmetrics receiver: use correct TCP state labels on Unix systems (#2087)
• Fix otlp_log receiver wrong use of trace measurement (#2117)
• Fix "process/memory/rss" metric units (#2112)
• Fix "process/cpu_seconds" metrics (#2113)
• Add check for nil logger in exporterhelper functions (#2141)
• prometheus receiver:
  • Upgrade Prometheus version to fix race condition (#2121)
  • Fix the scraper/discover manager coordination (#2089)
  • Fix panic when adjusting buckets (#2168)

v0.14.0 Beta

🚀 New components 🚀

• otlphttp exporter which implements OTLP over HTTP protocol.

🛑 Breaking changes 🛑

• Rename consumer.TraceConsumer to consumer.TracesConsumer #1974
• Rename component.TraceReceiver to component.TracesReceiver #1975
• Rename component.TraceProcessor to component.TracesProcessor #1976
• Rename component.TraceExporter to component.TracesExporter #1975
• Deprecate NopExporter, add NopConsumer (#1972)
• Deprecate SinkExporter, add SinkConsumer (#1973)
• Move tailsampling processor to contrib (#2012)
• Remove NewAttributeValueSlice (#2028) and mark NewAttributeValue as deprecated (#2022)
• Remove pdata.StringValue (#2021)
• Remove pdata.InitFromAttributeMap, use CopyTo if needed (#2042)
• Remove SetMapVal and SetArrayVal for pdata.AttributeValue (#2039)

💡 Enhancements 💡

• zipkin exporter: Add queue retry to zipkin (#1971)
• prometheus exporter: Add send_timestamps option (#1951)
• filter processor: Add expr pdata.Metric filtering support (#1940, #1996)
• attribute processor: Add log support (#1934)
• logging exporter: Add index for histogram buckets count (#2009)
• otlphttp exporter: Add correct handling of server error responses (#2016)
• prometheusremotewrite exporter:
  • Add user agent header to outgoing http request (#2000)
  • Convert histograms to cumulative (#2049)
  • Return permanent errors (#2053)
  • Add external labels (#2044)
• hostmetrics receiver: Use scraper controller (#1949)
• Change Span/Trace ID to be byte array (#2001)
• Add simple metrics helper to facilitate building pdata.Metrics in receivers (#1540)
• Improve diagnostic logging for exporters (#2020)
• Add obsreport to receiverhelper scrapers (#1961)
• Update OTLP to 0.6.0 and use the new Span Status code (#2031)
• Add support of partial requests for logs and metrics to the exporterhelper (#2059)

🧰 Bug fixes 🧰

• logging exporter: Added array serialization (#1994)
• zipkin receiver: Allow receiver to parse string tags (#1893)
• batch processor: Fix shutdown race (#1967)
• Guard for nil data points (#2055)

v0.13.0 Beta

🛑 Breaking changes 🛑

• Host metric system.disk.time renamed to system.disk.operation_time (#1887)
• Use consumer for sender interface, remove unnecessary receiver address from Runner (#1941)
• Enable sending queue by default in all exporters configured to use it (#1924)
• Removed groupbytraceprocessor (#1891)
• Remove ability to configure collection interval per scraper (#1947)

💡 Enhancements 💡

• Host Metrics receiver now reports both system.disk.io_time and system.disk.operation_time (#1887)
• Match spans against the instrumentation library and resource attributes (#928)
• Add receiverhelper for creating flexible "scraper" metrics receiver (#1886, #1890, #1945, #1946)
• Migrate tailsampling processor to new OTLP-based internal data model and add Composite Sampler (#1894)
• Metadata Generator: Change Metrics fields to implement an interface with new methods (#1912)
• Add unmarshalling for pdata.Traces (#1948)
• Add debug-level message on error for jaeger exporter (#1964)

🧰 Bug fixes 🧰

• Fix bug where the service does not correctly start/stop the log exporters (#1943)
• Fix Queued Retry Unusable without Batch Processor (#1813) - (#1930)
• prometheus receiver: Log error message when process_start_time_seconds gauge is missing (#1921)
• Fix trace jaeger conversion to internal traces zero time bug (#1957)
• Fix panic in otlp traces to zipkin (#1963)
• Fix OTLP/HTTP receiver's path to be /v1/traces (#1979)

v0.12.0 Beta

🚀 New components 🚀

• configauth package with the auth settings that can be used by receivers (#1807, #1808, #1809, #1810)
• perfcounters package that uses perflib for host metrics receiver (#1835, #1836, #1868, #1869, #1870)

💡 Enhancements 💡

• Remove queued_retry and enable otlp metrics receiver in default config (#1823, #1838)
• Add limit_percentage and spike_limit_percentage options to memorylimiter processor (#1622)
• hostmetrics receiver:
  • Collect additional labels from partitions in the filesystems scraper (#1858)
  • Add filters for mount point and filesystem type (#1866)
• Add cloud.provider semantic conventions (#1865)
• attribute processor: Add log support (#1783)
• Deprecate OpenCensus-based internal data structures (#1843)
• Introduce SpanID data type, not yet used in Protobuf messages ($1854, #1855)
• Enable otlp trace by default in the released docker image (#1883)
• tailsampling processor: Combine batches of spans into a single batch (#1864)
• filter processor: Update to use pdata (#1885)
• Allow MSI upgrades (#1914)

🧰 Bug fixes 🧰

• prometheus receiver: Print a more informative message about 'up' metric value (#1826)
• Use custom data type and custom JSON serialization for traceid (#1840)
• Skip creation of redundant nil resource in translation from OC if there are no combined metrics (#1803)
• tailsampling processor: Only send to next consumer once (#1735)
• Report Windows pagefile usage in bytes (#1837)
• Fix issue where Prometheus SD config cannot be parsed (#1877)

v0.11.0 Beta

🛑 Breaking changes 🛑

• Rename service.Start() to Run() since it's a blocking call
• Fix slice Append to accept by value the element in pdata
• Change CreateTraceProcessor and CreateMetricsProcessor to use the same parameter order as receivers/logs processor and exporters.
• Prevent accidental use of LogsToOtlp and LogsFromOtlp and the OTLP data structs (#1703)
• Remove SetType from configmodels, ensure all registered factories set the type in config (#1798)
• Move process telemetry to service/internal (#1794)

💡 Enhancements 💡

• Add map and array attribute value type support (#1656)
• Add authentication support to kafka (#1632)
• Implement InstrumentationLibrary translation to jaeger (#1645)
• Add public functions to export pdata to ExportXServicesRequest Protobuf bytes (#1741)
• Expose telemetry level in the configtelemetry (#1796)
• Add configauth package (#1807)
• Add config to docker image (#1792)

🧰 Bug fixes 🧰

• Use zap int argument for int values instead of conversion (#1779)
• Add support for gzip encoded payload in OTLP/HTTP receiver (#1581)
• Return proto status for OTLP receiver when failed (#1788)

v0.10.0 Beta

🛑 Breaking changes 🛑

• Update OTLP to v0.5.0, incompatible metrics protocol.
• Remove support for propagating summary metrics in OtelCollector.
  • This is a temporary change, and will affect mostly OpenCensus users who use metrics.

💡 Enhancements 💡

• Support zipkin proto in kafka receiver (#1646)
• Prometheus Remote Write Exporter supporting Cortex (#1577, #1643)
• Add deployment environment semantic convention (#1722)
• Add logs support to batch and resource processors (#1723, #1729)

🧰 Bug fixes 🧰

• Identify config error when expected map is other value type (#1641)
• Fix Kafka receiver closing ready channel multiple times (#1696)
• Fix a panic issue while processing Zipkin spans with an empty service name (#1742)
• Zipkin Receiver: Always set the endtime (#1750)

v0.9.0 Beta

🛑 Breaking changes 🛑

• Remove old base factories:
  • ReceiverFactoryBase (#1583)
  • ProcessorFactoryBase (#1596)
  • ExporterFactoryBase (#1630)
• Remove logs factories and merge with normal factories (#1569)
• Remove reconnection_delay from OpenCensus exporter (#1516)
• Remove ConsumerOld interfaces (#1631)

🚀 New components 🚀

• prometheusremotewrite exporter: Send metrics data in Prometheus TimeSeries format to Cortex or any Prometheus (#1544)
• kafka receiver: Receive traces from Kafka (#1410)

💡 Enhancements 💡

• kafka exporter: Enable queueing, retry, timeout (#1455)
• Add Headers field in HTTPClientSettings (#1552)
• Change OpenCensus receiver (#1556) and exporter (#1571) to the new interfaces
• Add semantic attribute for telemetry.auto.version (#1578)
• Add uptime and RSS memory self-observability metrics (#1549)
• Support conversion for OpenCensus SameProcessAsParentSpan (#1629)
• Access application version in components (#1559)
• Make Kafka payload encoding configurable (#1584)

🧰 Bug fixes 🧰

• Stop further processing if filterprocessor filters all data (#1500)
• processscraper: Use same scrape time for all data points coming from same process (#1539)
• Ensure that time conversion for 0 returns nil timestamps or Time where IsZero returns true (#1550)
• Fix multiple exporters panic (#1563)
• Allow attribute processor for external use (#1574)
• Do not duplicate filesystem metrics for devices with many mount points (#1617)

v0.8.0 Beta

🚀 New components 🚀

• groupbytrace processor that waits for a trace to be completed (#1362)

💡 Enhancements 💡

• Migrate zipkin receiver/exporter to the new interfaces (#1484)
• Migrate prometheus receiver/exporter to the new interfaces (#1477, #1515)
• Add new FactoryUnmarshaler support to all components, deprecate old way (#1468)
• Update fileexporter to write data in OTLP (#1488)
• Add extension factory helper (#1485)
• Host scrapers: Use same scrape time for all data points coming from same source (#1473)
• Make logs SeverityNumber publicly available (#1496)
• Add recently included conventions for k8s and container resources (#1519)
• Add new config StartTimeMetricRegex to prometheus receiver (#1511)
• Convert Zipkin receiver and exporter to use OTLP (#1446)

🧰 Bug fixes 🧰

• Infer OpenCensus resource type based on OpenTelemetry's semantic conventions (#1462)
• Fix log adapter in prometheus receiver (#1493)
• Avoid frequent errors for process telemetry on Windows (#1487)

v0.7.0 Beta

🚀 New components 🚀

• Receivers
  • fluentfoward runs a TCP server that accepts events via the Fluent Forward protocol (#1173)
• Exporters
  • kafka exports traces to Kafka (#1439)
• Extensions
  • Experimental fluentbit facilitates running a FluentBit subprocess of the collector (#1381)

💡 Enhancements 💡

• Updated golang/protobuf from v1.3.5 to v1.4.2 (#1308)
• Updated opencensus-proto from v0.2.1 to v0.3.0 (#1308)
• Added round_robin balancer_name as an option to gRPC client settings (#1353)
• hostmetrics receiver
  • Switch to using perf counters to get disk io metrics on Windows (#1340)
  • Add device filter for file system (#1379) and disk (#1378) scrapers
  • Record process physical & virtual memory stats separately (#1403)
  • Scrape system.disk.time on Windows (#1408)
  • Add disk.pending_operations metric (#1428)
  • Add network interface label to network metrics (#1377)
• Add exporterhelper (#1351) and processorhelper (#1359) factories
• Update OTLP to latest version (#1384)
• Disable timeout, retry on failure and sending queue for logging exporter (#1400)
• Add support for retry and sending queue for jaeger exporter (#1401)
• Add batch size bytes metric to batch processor (#1270)
• otlp receiver: Add Log Support (#1444)
• Allow to configure read/write buffer sizes for http Client (#1447)
• Update DB conventions to latest and add exception conventions (#1452)

🧰 Bug fixes 🧰

• Fix resource processor for old metrics (#1412)
• jaeger receiver: Do not try to stop if failed to start. Collector service will do that (#1434)

v0.6.0 Beta

🛑 Breaking changes 🛑

• Renamed the metrics generated by hostmetrics receiver to match the (currently still pending) OpenTelemetry system metric conventions (#1261) (#1269)
• Removed vmmetrics receiver (#1282)
• Removed cpu scraper report_per_cpu config option (#1326)

💡 Enhancements 💡

• Added disk merged (#1267) and process count (#1268) metrics to hostmetrics
• Log metric data points in logging exporter (#1258)
• Changed the batch processor to not ignore the errors returned by the exporters (#1259)
• Build and publish MSI (#1153) and DEB/RPM packages (#1278, #1335)
• Added batch size metric to batch processor (#1241)
• Added log support for memorylimiter processor (#1291) and logging exporter (#1298)
• Always add tags for observability, other metrics may use them (#1312)
• Added metrics support (#1313) and allow partial retries in queued_retry processor (#1297)
• Update resource processor: introduce attributes config parameter to specify actions on attributes similar to attributes processor, old config interface is deprecated (#1315)
• Update memory state labels for non-Linux OSs (#1325)
• Ensure tcp connection value is provided for all states, even when count is 0 (#1329)
• Set batch processor channel size to num cpus (#1330)
• Add send_batch_max_size config parameter to batch processor enforcing hard limit on batch size (#1310)
• Add support for including a per-RPC authentication to gRPC settings (#1250)

🧰 Bug fixes 🧰

• Fixed OTLP waitForReady, not set from config (#1254)
• Fixed all translation diffs between OTLP and Jaeger (#1222)
• Disabled process scraper for any non Linux/Windows OS (#1328)

v0.5.0 Beta

🛑 Breaking changes 🛑

• Update OTLP to v0.4.0 (#1142): Collector will be incompatible with any other sender or receiver of OTLP protocol of different versions
• Make "--new-metrics" command line flag the default (#1148)
• Change endpoint to url in Zipkin exporter config (#1186)
• Change tls_credentials to tls_settings in Jaegar receiver config (#1233)
• OTLP receiver config change for protocols to support mTLS (#1223)
• Remove export_resource_labels flag from Zipkin exporter (#1163)

🚀 New components 🚀

• Receivers
  • Added process scraper to the hostmetrics receiver (#1047)

💡 Enhancements 💡

• otlpexporter: send configured headers in request (#1130)
• Enable Collector to be run as a Windows service (#1120)
• Add config for HttpServer (#1196)
• Allow cors in HTTPServerSettings (#1211)
• Add a generic grpc server settings config, cleanup client config (#1183)
• Rely on gRPC to batch and loadbalance between connections instead of custom logic (#1212)
• Allow to tune the read/write buffers for gRPC clients (#1213)
• Allow to tune the read/write buffers for gRPC server (#1218)

🧰 Bug fixes 🧰

• Handle overlapping metrics from different jobs in prometheus exporter (#1096)
• Fix handling of SpanKind INTERNAL in OTLP OC translation (#1143)
• Unify zipkin v1 and v2 annotation/tag parsing logic (#1002)
• mTLS: Add support to configure client CA and enforce ClientAuth (#1185)
• Fixed untyped Prometheus receiver bug (#1194)
• Do not embed ProtocolServerSettings in gRPC (#1210)
• Add Context to the missing CreateMetricsReceiver method (#1216)

v0.4.0 Beta

Released 2020-06-16

🛑 Breaking changes 🛑

• isEnabled configuration option removed (#909)
• thrift_tchannel protocol moved from jaeger receiver to jaeger_legacy in contrib (#636)

⚠️ Major changes ⚠️

• Switch from localhost to 0.0.0.0 by default for all receivers (#1006)
• Internal API Changes (only impacts contributors)
  • Add context to Start and Stop methods in the component (#790)
  • Rename AttributeValue and AttributeMap method names (#781) (other breaking changes in the internal trace data types)
  • Change entire repo to use the new vanityurl go.opentelemetry.io/collector (#977)

🚀 New components 🚀

• Receivers
  • hostmetrics receiver with CPU (#862), disk (#921), load (#974), filesystem (#926), memory (#911), network (#930), and virtual memory (#989) support
• Processors
  • batch for batching received metrics (#1060)
  • filter for filtering (dropping) received metrics (#1001)

💡 Enhancements 💡

• otlp receiver implement HTTP X-Protobuf (#1021)
• Exporters: Support mTLS in gRPC exporters (#927)
• Extensions: Add zpages for service (servicez, pipelinez, extensions) (#894)

🧰 Bug fixes 🧰

• Add missing logging for metrics at debug level (#1108)
• Fix setting internal status code in jaeger receivers (#1105)
• zipkin export fails on span without timestamp when used with queued_retry (#1068)
• Fix zipkin receiver status code conversion (#996)
• Remove extra send/receive annotations with using zipkin v1 (#960)
• Fix resource attribute mutation bug when exporting in jaeger proto (#907)
• Fix metric/spans count, add tests for nil entries in the slices (#787)

🧩 Components 🧩

Traces

Receivers	Processors	Exporters
Jaeger	Attributes	File
OpenCensus	Batch	Jaeger
OTLP	Memory Limiter	Logging
Zipkin	Queued Retry	OpenCensus
	Resource	OTLP
	Sampling	Zipkin
	Span

Metrics

Receivers	Processors	Exporters
HostMetrics	Batch	File
OpenCensus	Filter	Logging
OTLP	Memory Limiter	OpenCensus
Prometheus		OTLP
VM Metrics		Prometheus

Extensions

• Health Check
• Performance Profiler
• zPages

v0.3.0 Beta

Released 2020-03-30

Breaking changes

• Make prometheus receiver config loading strict. #697 Prometheus receiver will now fail fast if the config contains unused keys in it.

Changes and fixes

• Enable best effort serve by default of Prometheus Exporter (orijtech/prometheus-go-metrics-exporter#6)
• Fix null pointer exception in the logging exporter #743
• Remove unnecessary condition to have at least one processor #744

Components

Receivers / Exporters	Processors	Extensions
Jaeger	Attributes	Health Check
OpenCensus	Batch	Performance Profiler
OpenTelemetry	Memory Limiter	zPages
Zipkin	Queued Retry
	Resource
	Sampling
	Span

v0.2.8 Alpha

Alpha v0.2.8 of OpenTelemetry Collector

• Implemented OTLP receiver and exporter.
• Added ability to pass config to the service programmatically (useful for custom builds).
• Improved own metrics / observability.
• Refactored component and factory interface definitions (breaking change #683)

v0.2.7 Alpha

Alpha v0.2.7 of OpenTelemetry Collector

• Improved error handling on shutdown
• Partial implementation of new metrics (new obsreport package)
• Include resource labels for Zipkin exporter
• New HASH action to attribute processor

v0.2.6 Alpha

Alpha v0.2.6 of OpenTelemetry Collector.

• Update metrics prefix to otelcol and expose command line argument to modify the prefix value.
• Extend Span processor to have include/exclude span logic.
• Batch dropped span now emits zero when no spans are dropped.

v0.2.5 Alpha

Alpha v0.2.5 of OpenTelemetry Collector.

• Regexp-based filtering of spans based on service names.
• Ability to choose strict or regexp matching for include/exclude filters.

v0.2.4 Alpha

Alpha v0.2.4 of OpenTelemetry Collector.

• Regexp-based filtering of span names.
• Ability to extract attributes from span names and rename span.
• File exporter for debugging.
• Span processor is now enabled by default.

v0.2.3 Alpha

Alpha v0.2.3 of OpenTelemetry Collector.

Changes: 21a70d6 Add a memory limiter processor (#498) 9778b16 Refactor Jaeger Receiver config (#490) ec4ad0c Remove workers from OpenCensus receiver implementation (#497) 4e01fa3 Update k8s config to use opentelemetry docker image and configuration (#459)

v0.2.2 Alpha

Alpha v0.2.2 of OpenTelemetry Collector.

Main changes visible to users since previous release:

• Improved Testbed and added more E2E tests.
• Made component interfaces more uniform (this is a breaking change).

Note: v0.2.1 never existed and is skipped since it was tainted in some dependencies.

v0.2.0 Alpha

Alpha v0.2 of OpenTelemetry Collector.

Docker image: omnition/opentelemetry-collector:v0.2.0 (we are working on getting this under an OpenTelemetry org)

Main changes visible to users since previous release:

• Rename from service to collector, the binary is now named otelcol

• Configuration reorganized and using strict mode

• Concurrency issues for pipelines transforming data addressed

Commits:

0e505d5 Refactor config: pipelines now under service (#376)
402b80c Add Capabilities to Processor and use for Fanout cloning decision (#374)
b27d824 Use strict mode to read config (#375)
d769eb5 Fix concurrency handling when data is fanned out (#367)
dc6b290 Rename all github paths from opentelemtry-service to opentelemetry-collector (#371)
d038801 Rename otelsvc to otelcol (#365)
c264e0e Add Include/Exclude logic for Attributes Processor (#363)
8ce427a Pin a commit for Prometheus dependency in go.mod (#364)
2393774 Bump Jaeger version to 1.14.0 (latest) (#349)
63362d5 Update testbed modules (#360)
c0e2a27 Change dashes to underscores to separate words in config files (#357)
7609eaa Rename OpenTelemetry Service to Collector in docs and comments (#354)
bc5b299 Add common gRPC configuration settings (#340)
b38505c Remove network access popups on macos (#348)
f7727d1 Fixed loop variable pointer bug in jaeger translator (#341)
958beed Ensure that ConsumeMetricsData() is not passed empty metrics in the Prometheus receiver (#345)
0be295f Change log statement in Prometheus receiver from info to debug. (#344)
d205393 Add Owais to codeowners (#339)
8fa6afe Translate OC resource labels to Jaeger process tags (#325)

v0.0.2 Alpha

Alpha release of OpenTelemetry Service.

Docker image: omnition/opentelemetry-service:v0.0.2 (we are working on getting this under an OpenTelemetry org)

Main changes visible to users since previous release:

8fa6afe Translate OC resource labels to Jaeger process tags (#325)
047b0f3 Allow environment variables in config (#334)
96c24a3 Add exclude/include spans option to attributes processor (#311)
4db0414 Allow metric processors to be specified in pipelines (#332)
c277569 Add observability instrumentation for Prometheus receiver (#327)
f47aa79 Add common configuration for receiver tls (#288)
a493765 Refactor extensions to new config format (#310)
41a7afa Add Span Processor logic
97a71b3 Use full name for the metrics and spans created for observability (#316)
fed4ed2 Add support to record metrics for metricsexporter (#315)
5edca32 Add include_filter configuration to prometheus receiver (#298)
0068d0a Passthrough CORS allowed origins (#260)

v0.0.1 Alpha

This is the first alpha release of OpenTelemetry Service.

Docker image: omnition/opentelemetry-service:v0.0.1