[Buildbot-devel] Adding a log in a RemoteCommand

[Axel Hecht]

Hey Ben,

here's how I do it:

You can basically sendStatus any pickable object, see lin 76 in
http://hg.mozilla.org/users/axel_mozilla.com/tooling/?file/7c47a3380c9f/mozilla/tools/buildbotcustom/buildbotcustom/slave/comparestep.py.

On the master step side, you just need to handle that special status,
ResultRemoteCommand.remoteUpdate in
http://hg.mozilla.org/users/axel_mozilla.com/tooling/?file/7c47a3380c9f/mozilla/tools/buildbotcustom/buildbotcustom/steps/comparestep.py

HTH

Axel

2008/3/18, Ben Hearsum <bhearsum at mozilla.com>:
> Hi All,
>
>  I'm coding my first BuildStep that involves a RemoteCommand. This
>  BuildStep is intended to gather some data and set it as build
>  properties. Gathering the data is easy -- but I'm not sure how to dump
>  it into a log that can be parsed by the master-side BuildStep.
>
>  This is what I've tried (these classes are dumbed down a bit for the
>  sake of brevity):
>
>  class MyStep(LoggingBuildStep):
>   def start(self):
>    self.addLog('stdout')
>    args = {'timeout': 60}
>    cmd = LoggedRemoteCommand("myRemoteCommand", args)
>    self.startCommand(cmd)
>
>   def evaluateCommand(self, cmd)
>    log = cmd.logs['stdio'].getText()
>    for property in log.split("\n"):
>     name, value = property.split(": ")
>     self.setProperty(name, value)
>
>
>  And on the slave-side:
>  class MyRemoteCommand(Command):
>   def start(self):
>    log = "Foo: bar\n"
>    log += "Foo2: bar2\n"
>    log += "Foo3: bar3"
>
>    self.sendStatus({'stdio'}: log})
>
>
>  The BuildStep appears to run fine, but the log is empty. Obviously I'm
>  doing this wrong -- but I can't figure out how to do it right. I've
>  tried tracing the sendStatus command, which appears to call an
>  'update' method on the BuildStep class (which doesn't exist).
>
>  Any pointers/tips are welcome (boy I wish I was at Pycon right now...)
>
>  - Ben
>
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