What is the Buildbot Bridge?
The Buildbot Bridge (BBB) allows scheduling Buildbot jobs through TaskCluster.In other words, you can have taskcluster tasks which represent Buildbot jobs.
This allows having TaskCluster graphs composed of tasks which will be executed either on Buildbot or TaskCluster, hence, allowing for *all* relationships between tasks to happen in TaskCluster.
Read my recent post on the benefits of scheduling every job via TaskCluster.
The next Mozilla CI tools (mozci) release will have support for BBB.
Brief explanation
You can see in this try push both types of Buildbot jobs [1].One set of jobs were triggered through Buildbot's analysis of the try syntax in the commit message while two of the jobs should not have been scheduled.
Those two jobs were triggered off-band via Mozci submitting a task graph.
You can see the TaskCluster graph representing them in here [2].
These jobs were triggered using this simple data structure:
{
'Linux x86-64 try build': [
'Ubuntu VM 12.04 x64 try opt test mochitest-1'
]
}
Mozci turns this simple graph into a TaskCluster graph.
The graph is composed of tasks which follow this structure [3]
Notes about the Buildbot Bridge
bhearsum's original post, recording and slides:http://hearsum.ca/blog/buildbot-taskcluster-bridge-an-overview.html
https://vreplay.mozilla.com/replay/showRecordDetails.html?recId=1879
http://hearsum.ca/slides/buildbot-bridge-overview/#/
Some notes which Selena took about the topic:
http://www.chesnok.com/daily/2015/06/03/taskcluster-migration-about-the-buildbot-bridge/
The repository is in here:
https://github.com/mozilla/buildbot-bridge
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[1] https://treeherder.mozilla.org/#/jobs?repo=try&revision=9417c6151f2c
[2] https://tools.taskcluster.net/task-graph-inspector/#mAI0H1GyTJSo-YwpklZqng
[3] https://github.com/armenzg/mozilla_ci_tools/blob/mozci_bbb/mozci/sources/buildbot_bridge.py#L37
This work by Zambrano Gasparnian, Armen is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License.
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