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Changelog

1.0.0

Breaking Changes

  • Rename app_count metric to app_group_count.
  • Update proc_start_time_seconds metric to correctly be in unix seconds.
  • Update default value for -passenger.command.timeout-seconds flag to 5s.
  • Remove process metrics collector.
  • Remomve / endpoint showing link to metrics path.

Bug Fixes

  • Prevent index out of range panics when the number of passenger processes surges past the max pool size temporarily when replacing an existing process.

Improvements

  • Upgrade to Go v1.20.1.
  • Switch Go modules.
  • Upgrade Go dependencies.
  • Upgrade bundled Passenger to v6.0.17.
  • Switch container image from Alpine Linux to Debian Bullseye.
  • Use builder pattern to build binary and copy it into runner image.
  • Run container as exporter user instead of nobody.
  • Add new fields parsed from passenger status command.
  • Use expected types in structs instead of parsing afterwards.
  • Configure promu to use netgo instead of installsuffix.
  • Switch to sirupsen/logrus logger as prometheus/common no longer includes it.
  • Add launch configuration for debugging in Visual Studio Code.
  • Add GitHub Actions workflow for testing and linting.
  • Simplify Makefile for single command builds.

0.7.1

Bug Fixes

  • Prevent index out of range panics when passenger processes are killed.

0.7.0

  • Change group to nobody instead of nogroup.

0.6.0

  • Run as user nobody and group nogroup instead of root.
  • Update Go to v1.9.4.

0.5.1

Bug Fixes

  • Include correct files in the docker build.

0.5.0

Improvements

  • Added home page with link to metrics.
  • Added new fields to output parsed from passenger status command.
  • Removed mentions of nginx as this exporter can support other integration modes.

Breaking Changes

  • Changed metrics prefix from passenger_nginx to passenger. This affects all passenger metrics.
  • Renamed metrics:
    • Changed passenger_top_level_queue to passenger_top_level_request_queue.
    • Changed passenger_app_queue to passenger_app_request_queue.
  • Changed unit of passenger command timeout duration to seconds.
  • Removed deprecated code_revision field from output parsed from passenger status command.