Release version 0.18.0

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)

Release version 0.17.0

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)

Release version 0.16.0

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)

Release version 0.15.0

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)

Release version 0.14.0

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)

Release version 0.13.0

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)

Release version 0.12.0

🚀 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)

Release version 0.11.0

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)

Release version 0.10.0

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)

Release version 0.9.0

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 (WIP): 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)