Core 1.0.0 Release Notes


July 11, 2017 — Sensu Core version 1.0.0 has been released and is available for immediate download. Please note the following improvements:


  • IMPORTANT: Sensu packages now include Ruby 2.4.1. Upgrading from prior versions of Sensu will require any plugin or extension gems to be re-installed under the new Ruby environment.

  • IMPORTANT: Sensu packages now include sensu-plugin 2.0.0, which disables its deprecated filter methods by default, i.e. occurrences. Sensu 1.0 includes built-in filters that provide the same functionality with several improvements. The built-in filters are “occurrences” and “check_dependencies”. To use the built-in filters, apply them to Sensu event handlers via their definition "filters" attribute, e.g. "filters": ["occurrences", "check_dependencies"]. These filters can now be used with Sensu event handlers that do not use the sensu-plugin library (or Ruby).

  • NEW: Added Sensu API event endpoint alias “incidents”, e.g. /incidents, /incidents/:client/:check.

  • IMPROVEMENT: Improved Sensu client keepalive configuration validation, now including coverage for check low/high flap thresholds etc.

  • IMPROVEMENT: Improved Sensu client socket check result validation, now including coverage for check low/high flap thresholds etc.

  • IMPROVEMENT: The sensu-install tool now notifies users when it is unable to successfully install an extension, when the environment variable EMBEDDED_RUBY is set to false.

  • IMPROVEMENT: Added the Sensu RELEASE_INFO constant, containing information about the Sensu release, used by the API /info endpoint and Server registration.

  • BUGFIX: Sensu handler severities filtering now accounts for flapping events.

  • BUGFIX: Fixed Sensu Redis connection on error reconnect, no longer reusing the existing EventMachine connection handler.

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