4.4.1. Release Notes for Buildbot 0.9.1

The following are the release notes for Buildbot 0.9.1. This version was released on November 1, 2016.

See Upgrading to Nine for a guide to upgrading from 0.8.x to 0.9.x

4.4.1.1. Master

Features

  • Add support for hyper.sh via HyperLatentWorker Hyper is a CaaS solution for hosting docker container in the cloud, billed to the second. It forms a very cost efficient solution to run your CI in the cloud.

  • The Trigger step now supports unimportantSchedulerNames

  • add a UI button to allow to cancel the whole queue for a builder

  • Buildbot log viewer now support 256 colors ANSI codes

  • new GitHub which correctly checkout the magic branch like refs/pull/xx/merge.

  • MailNotifier now supports a schedulers constructor argument that allows you to send mail only for builds triggered by the specified list of schedulers.

  • MailNotifier now supports a branches constructor argument that allows you to send mail only for builds triggered by the specified list of branches.

  • Optimization of the data api filtering, sorting and paging, speeding up a lot the UI when the master has lots of builds.

  • GerritStatusPush now accepts a notify parameter to control who gets emailed by Gerrit.

  • Add a format_fn parameter to the HttpStatusPush reporter to customize the information being pushed.

  • Latent Workers can now start in parallel.

    • The build started by latent worker will be created while the latent worker is substantiated.
    • Latent Workers will now report startup issues in the UI.
  • Workers will be temporarily put in quarantine in case of build preparation issues.

    This avoids master and database overload in case of bad worker configuration. The quarantine is implemented with an exponential back-off timer.

  • Master Stop will now stop all builds, and wait for all workers to properly disconnect. Previously, the worker connections was stopped, which incidentally made all their builds marked retried. Now, builds started with a Triggereable scheduler will be cancelled, while other builds will be retried. The master will make sure that all latent workers are stopped.

  • The MessageFormatter class also allows inline-templates with the template parameter.

  • The MessageFormatter class allows custom mail's subjects with the subject and subject_name parameters.

  • The MessageFormatter class allows extending the context given to the Templates via the ctx parameter.

  • The new MessageFormatterMissingWorker class allows to customize the message sent when a worker is missing.

  • The OpenStackLatentWorker worker now supports rendering the block device parameters. The volume_size parameter will be automatically calculated if it is None.

Fixes

  • fix the UI to allow to cancel a buildrequest (bug #3582)
  • GitHub change hook now correctly use the refs/pull/xx/merge branch for testing PRs.
  • Fix the UI to better adapt to different screen width (bug #3614)
  • Don't log AlreadyClaimedError. They are normal in case of Trigger cancelling, and in a multimaster configuration.
  • Fix issues with worker disconnection. When a worker disconnects, its current buildstep must be interrupted and the buildrequests should be retried.
  • Fix the worker missing email notification.
  • Fix issue with worker builder list not being updated in UI when buildmaster is reconfigured (bug #3629)

Changes for Developers

Features

  • New SharedService can be used by steps, reporters, etc to implement per master resource limit.
  • New HttpClientService can be used by steps, reporters, etc to implement HTTP client. This class will automatically choose between treq and txrequests, whichever is installed, in order to access HTTP servers. This class comes with a fake implementation helping to write unit tests.
  • All HTTP reporters have been ported to HttpClientService

Fixes

Deprecations, Removals, and Non-Compatible Changes

  • By default, non-distinct commits received via buildbot.status.web.hooks.github.GitHubEventHandler now get recorded as a Change. In this way, a commit pushed to a branch that is not being watched (e.g. a dev branch) will still get acted on when it is later pushed to a branch that is being watched (e.g. master). In the past, such a commit would get ignored and not built because it was non-distinct. To disable this behavior and revert to the old behavior, install a ChangeFilter that checks the github_distinct property:
ChangeFilter(filter_fn=lambda c: c.properties.getProperty('github_distinct'))
  • setup.py 'scripts' have been converted to console_scripts entry point. This makes them more portable and compatible with wheel format. Most consequences are for the windows users:
    • buildbot.bat does not exist anymore, and is replaced by buildbot.exe, which is generated by the console_script entrypoint.
    • buildbot_service.py is replaced by buildbot_windows_service.exe, which is generated by the console_script entrypoint As this script has been written in 2006, has only inline documentation and no unit tests, it is not guaranteed to be working. Please help improving the windows situation.
  • The user and password parameters of the HttpStatusPush reporter have been deprecated in favor of the auth parameter.
  • The template_name parameter of the MessageFormatter class has been deprecated in favor of template_filename.

4.4.1.2. Worker

Fixes

Changes for Developers

Deprecations, Removals, and Non-Compatible Changes

  • The worker now requires at least Twisted 10.2.0.
  • setup.py 'scripts' have been converted to console_scripts entry point. This makes them more portable and compatible with wheel format. Most consequences are for the windows users:
    • buildbot_worker.bat does not exist anymore, and is replaced by buildbot_worker.exe, which is generated by the console_script entrypoint.
    • buildbot_service.py is replaced by buildbot_worker_windows_service.exe, which is generated by the console_script entrypoint As this script has been written in 2006, has only inline documentation and no unit tests, it is not guaranteed to be working. Please help improving the windows situation.
  • AbstractLatentWorker is now in buildbot.worker.latent instead of buildbot.worker.base.

4.4.1.3. Details

For a more detailed description of the changes made in this version, see the git log itself:

git log v0.9.0..v0.9.1