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release-checklist.md

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Release Checklist

Ruby Gem

  1. Ensure relevant pull-requests have been merged

  2. Update CHANGELOG to reflect all changes and set the release date ("X.X.X - 20XX-XX-XX")

  3. Bump the VERSION of Sensu in lib/sensu/constants.rb

  4. Commit the CHANGELOG and VERSION changes ("major|minor|patch version bump, X.X.X")

  5. Release the "sensu" Ruby gem: bundle exec rake release (need gem signature private key)

Packages

  1. Create a sensu-omnibus release tag using the Sensu Ruby gem version and a build iteration (vX.X.X-X)

  2. Push the release tag to trigger package builds on Travis CI (pushed to S3 bucket)

Release Tagging

A sensu-omnibus release tag must have a "v" prefix and use a dash (-) to join the Sensu version with the build iteration. For example, the second build iteration of Sensu version 1.0.1 would be tagged as v1.0.1-2.

Publishing

The Sensu 1.X package build pipeline pushes package builds (deb, rpm, etc) to an Amazon S3 bucket. The Sensu 1.x package repositories live on core.sensuapp.com, which are fronted by the Fastly CDN (repositories.sensuapp.org). The package repositories have two channels, "unstable" and "main" (or "stable"), which are managed by tooling on core.sensuapp.com (pulls package versions from the S3 bucket). This tooling is managed by the Sensu Inc Engineering team.

All packages get published to the repository "unstable" channel prior to promotion to the "main" channel. How long a package resides in the "unstable" channel before promotion depends on the SemVer version change (e.g. patch level). A package for a patch level bump typically resides in "unstable" for 3-5 days, whereas its 5-14 days for a minor version bump.