[Buildbot] #2622: Better property support (was: [nine] More Properties)
Buildbot trac
trac at buildbot.net
Sat Feb 7 20:57:15 UTC 2015
#2622: Better property support
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Reporter: dustin | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: 0.9.0
Version: | Resolution:
Keywords: simple |
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Comment (by dustin):
Properties come from (from the docs):
* global configuration
* schedulers (including dynamic values from the force scheduler)
* changes (assigned by the !ChangeSource)
* buildslave configuration
* built-in per-build properties
* builder config
* previous steps
Tracing that through the process until a step starts:
* A changesource creates a change and writes it to the DB
* A scheduler reacts, creates a buildset and some buildrequests, and
writes them to the DB -- with properties including those from the change.
The properties are associated with the buildset, not the build requests
* A builder claims the buildrequest, selects a buildslave, and starts a
build. The build's initial properties are a combination of global
configuration, buildset properties, buildslave properties, the builder's
config, and built-in per-build properties.
* As the build proceeds steps update the properties.
The properties land in the database in a few places:
* `change_properties` -- properties for a change, created with the change
* `buildset_properties` -- properties for a buildset, created with the
buildset
* `build_properties` -- properties for a single build; these are updated
as necessary after each step
Note that there's some handling for properties "original" to a build, vs.
properties as they stand at the end of the build.
All of this is in place in the database layer, and already broken out per
property -- so it's not difficult to query the DB for, say, all builds
with got_revision=1234.
But the Data API support lacks somewhat -- not all of these property sets
are available at all via the Data API, and there are no messages when
properties change. There's also no capability to query by properties.
--
Ticket URL: <http://trac.buildbot.net/ticket/2622#comment:2>
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