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CHANGELOG.md

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1.5.3, pending

Added

  • Veneur-emit can now time any shell command and emit its duration as a Timing metric. Thanks redsn0w422!

1.5.2, 2017-08-15

Bugfixes

  • Correctly parse Set metrics if sent via SSF. Thanks redsn0w422!
  • Return correct array of tags after parsing an SSF metric. Thanks redsn0w422!
  • Don't panic if a packet doesn't have tags. Thanks redsn0w422!
  • Fix a typo in the link to veneur-emit in the readme. Thanks vasi!

Added

  • Adds events and service checks to veneur-emit. Thanks redsn0w422!
  • Switch to dep for managing the vendor directory. Thanks chimeracoder!
  • Remove support for govendor. Thanks chimeracoder!
  • Emit GC metrics at flush time. This feature is best used with Go 1.9 as previous versions cause GC pauses when collecting this information from go. Thanks gphat!
  • Allow configuration of LightStep's reconnect period via trace_lightstep_reconnect_period and the maximum number of spans it will buffer via trace_lightstep_maximum_spans. Thanks gphat!
  • Switch to dep for managing the vendor directory. Thanks chimeracoder!
  • Remove support for govendor. Thanks chimeracoder!
  • Added harmonic mean as an optional aggregate type. Use hmean as an option to the aggregates config option to enable. Thanks non!

Improvements

  • Added tests for parseMetricSSF. Thanks redsn0w422!
  • Refactored veneur-emit flag usage to make testing easier. Thanks redsn0w422!
  • Minor text fixes in the README. Thanks an-stripe!
  • Restructured SSF parsing logic and added more tests. Thanks redsn0w422!
  • Tag packet.spans.received_total with service from the span. Thanks chimeracoder!

1.5.1, 2017-07-18

Bugfixes

  • Flush the lightstep tracer before closing it. Thanks gphat with assist from stangles!

Improvements

  • Better document how to configure Veneur as a DogStatsD replacement. Thanks gphat with assist from stangles!

1.5.0, 2017-07-13

Bugfixes

  • Fixed an error in graceful shutdown of the TCP listener. Thanks evanj!
  • Don't hang if we call log.Fatal and we aren't hooked up to a Sentry. Thanks evanj!
  • Fix flusher_test being called more than once resulting in flappy failure. Thanks evanj!
  • Improve flusher test to not start veneur, fixing flapping test. Thanks evanj!

Added

Improvements

  • It is no longer required to emit a sum to get an avg when configuring what aggregations to emit for a histogram. Thanks cgilling!
  • Tags added in the tags config key are now applied to trace spans. Thanks chimeracoder!
  • Additional documentation for veneur-proxy. Thanks gphat!
  • Revamped configuration file organization and comments. Thanks gphat!
  • Changed some config keys to have more specific names to facilitate future refactoring. Thanks gphat!
  • Adjust the flush loop to listen for server shutdown to improve test consistency. Thanks evanj!
  • Veneur can now, experimentally, ingest metrics using the SSF protocol. Thanks redsn0w422!
  • Reresolve the LightStep trace flusher on each flush, accomodating Consul-based DNS use and preventing stale sinks. Thanks chimeracoder!

Deprecations

  • The following configuration keys are deprecated and will be removed in version 2.0 of Veneur:
    • datadog_api_key replaces key
    • datadog_api_hostname replaces api_hostname
    • datadog_trace_api_address replaces trace_api_address
    • ssf_address replaces trace_address

1.4.0, 2017-06-09

Changes

  • Require Go 1.8+ and stop building against 1.7 Thanks Thanks chimeracoder!

1.3.1, 2017-06-06

Bugfixes

  • Decrease logging level for proxy's "forwarded" messages. Thanks gphat!
  • Failed discovery refreshes now log the service name. Thanks gphat!

Improvements

  • Proxy no longer requires a trace service name, since it's not wired up. Thanks gphat!

1.3.0, 2017-05-19

Bugfixes

  • No longer allow clients to pass in nan, +inf or -inf as a value for a metric, as this caused errors on flush. Thanks gphat!

Added

1.2.0, 2017-04-24

Bugfixes

  • Fix flusher_test to properly shutdown HTTP after handling. Thanks evanj!
  • Verify that trace_max_length_bytes is properly set. Thanks evanj!
  • Fix some race conditions in testing.

Improvements

  • Document performance cost of TLS with RSA and ECDH keys. Thanks evanj!
  • Reduce logging of tracing information to debug level to decrease unnecessary logging.
  • Reduce common TCP error logs to info level. Thanks evanj!
  • Deal with server shutdown without inspecting errors strings. Thanks evanj!
  • Decrease the number of things we send to Sentry as "errors".
  • Detect and emit a metric veneur.packet.error_total tagged reason:toolong for metrics that exceed the metric max length.
  • Emit a metric veneur.packet.error_total tagged reason:zerolength for metrics have no contents.
  • Correct unnecessary allocation / goroutine in TCP connections that was leaking memory. Thanks evanj!
  • Close idle TCP connections after 10 minutes. Thanks evanj!
  • Fixed a lot of go lint errors.

Added

  • Add a metric veneur.sentry.errors_total for number of errors we send to Sentry.
  • New plugin flush_file for writing metrics to a flat file.
  • New /healthcheck/tracing endpoint that returns 200 if this Veneur instance is accepting traces.

1.1.0, 2017-03-02

Changes

  • Refactor tests to use a more shareable test fixture. Thanks evanj!
  • Refactor Server's constructor to not start any goroutines and add a Start() that takes care of that, making for easier tests.

Bugfixes

  • Hostname and device name tags are now omitted from JSON generated for transmission to Datadog at flush time. Thanks evanj!
  • Fix panic when an error is generated and Sentry is not configured. Thanks evanj!
  • Fix typos in README

Improvements

  • Add omit_empty_hostname option. If true and hostname tag is set to empty, Veneur will not add a host tag to it's own metrics. Thanks evanj!
  • Support "all interfaces" addresses (:1234) for listening configuration. Thanks evanj!
  • Add support for receiving statsd packets over authenticated TLS connections. Thanks evanj!
  • [EXPERIMENTAL] Add InfluxDB support.
  • [EXPERIMENTAL] Add support for ingesting traces and sending to Datadog's APM agent.