As discussed and decided in the last SeaMonkey Status Meeting, I've started to move SeaMonkey to the new buildbot configurations that have been in the testing phase for a while now and will open the possibilities for doing builds based on mozilla-central soon.

The following changes are made that you should be aware of:

Phase I (done yesterday, first nightlies from today):
* The nightlies in latest-comm-1.9.1 are the official ones now.
* FTP has latest-comm-central and latest-trunk symlinked to
  latest-comm-1.9.1 for the first part of the transition.
* Those are static builds with reduced build size and hopefully better
  performance.
* Dependent builds ("build" columns, "hourlies") continue to be shared
  builds.
* Linux has a "leak test build" column that runs debug builds.
* Nightlies and dependent builds are being run on x86_64 Linux, even
  though this should still not be considered a tier-1 platform and has
  no L10n builds.
* Localized nightlies are in latest-comm-1.9.1-l10n and built with the
  "L10n merge" tooling that injects en-US for missing strings,
  eliminating most cases of the "yellow screen of death".
* The SeaMonkey tinderbox waterfall page has those buildbots reporting
  as columns containing "comm-1.9.1" in their names.
* Due to ongoing slight instabilities in the 10.5 VMs, the old
  "comm-central" 10.4 unit test machine stays up there as well.
* All other comm-central builds disappear from the scene.
* For localizers, the comm-1.9.1 builds on their Mozilla-l10n-*
  waterfall pages are the relevant reference.
* All VMs on the same platform run in generic pools, so that any of the
  machines can do any dependent build, nightly, L10n repackaging or
  unit test run, the buildbot master hands those jobs on a "first come,
  first serve" basis to the available slaves.

Phase II (once bugs 502031 and 502033 are solved):
* Builds with mozilla-central will be set up in addition, uploading
  nightlies to a latest-comm-central-trunk directory.
* A version number of "2.1a1pre" will be used there for now, there's no
  definitive decision on what version the next SeaMonkey will be yet
  though, this is the lowest possible version to use atm.
* FTP symlinks for latest-comm-central and latest-trunk are removed.
* The comm-1.9.1 builds will be switched to report to a new
  SeaMonkey2.0 tinderbox waterfall page (as well as the 10.4 tests).
* The comm-central-trunk builds will report to the SeaMonkey page.
* No unit test builds will be activated for comm-central-trunk while we
  don't have all the machines we need in the pools (due to Parallels
  network problems).
* L10n builds for comm-central-trunk use l10n-central work and also
  report to the Mozilla-1l10n-* tinderbox waterfalls, dashboard for
  this might only come up some time later.

Phase III (once bug 493321 is solved):
* Turn on unit tests for comm-central-trunk
* A few other incremental improvements can be thought of when Phase II
  is completed, such as running packaged tests, AUS for L10n, etc. but
  all those can be done individually, step by step, then.
* Once 10.5 Mac VMs are completely stable and not intermittently
  crashing because of Parallels issues, we'll turn off the 10.4 unit
  test machine and hand it back to Mozilla IT.


Relevant links:

FTP directories:
http://ftp.mozilla.org/pub/mozilla.org/seamonkey/nightly/latest-comm-1.9.1/
http://ftp.mozilla.org/pub/mozilla.org/seamonkey/nightly/latest-comm-1.9.1-l10n/
http://ftp.mozilla.org/pub/mozilla.org/seamonkey/nightly/latest-comm-central-trunk/
http://ftp.mozilla.org/pub/mozilla.org/seamonkey/nightly/latest-comm-central-trunk-l10n/

Tinderbox waterfall pages:
http://tinderbox.mozilla.org/SeaMonkey/
http://tinderbox.mozilla.org/SeaMonkey2.0/

Status Meeting notes:
https://wiki.mozilla.org/SeaMonkey:StatusMeetings:2009-06-30#Any_other_business.3F

Bug Reports:
Moving new pooled buildbots to production:
  https://bugzilla.mozilla.org/show_bug.cgi?id=485821
Mac VM instabilities:
  https://bugzilla.mozilla.org/show_bug.cgi?id=494671
Parallels network problems:
  https://bugzilla.mozilla.org/show_bug.cgi?id=493321
Getting old VMs into the new pools (prerequisite for Phase II):
  https://bugzilla.mozilla.org/show_bug.cgi?id=502031
Set 2.1a1pre version number for builds with mozilla-central:
  https://bugzilla.mozilla.org/show_bug.cgi?id=502033


I hope this whole transition works well for everybody. It was a bumpy ride and a good amount of work to get this all up, but it largely reduced the amount of maintenance needed and makes us share more buildbot code with Firefox and Thunderbird already now and even more once this all is completed.

Robert Kaiser
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