Distributed CC with QEMU?

[Lothar Behrens]

Hi,

I like to use CC to build my project on multiple platforms, but I  
haven't enough resources to run each platform at the same time.

I thought it could be possible to configure auto shutdown servers  
running in a QEMU instance and talking to CC master.
So when the first server of this kind is started it waits for any  
change in code and starts a build when a change occurs. Then
the server shuts it self down to let a script on the QEMU host rotate  
to the next QEMU instance to run.

So my question is as follows: Could a build agent do such a one shot  
build?

If the agent stops the parent script could halt the machine.

Thanks

Lothar

-- | Rapid Prototyping | XSLT Codegeneration | http://www.lollisoft.de
Lothar Behrens
Heinrich-Scheufelen-Platz 2
73252 Lenningen









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[Jani Mikkonen-6]

Hi.

I have somewhat similar goals but im not using qemu directly.  We have
a scratchbox acting as a "host" which is configured to use qemu when
arch is different than the actual host. Im using just bunch of exec
builders inside compound builder and a wrapper script which passes the
actual commands to the scratchbox.. Works just fine and only thing i
have to do afterwards is do sb-conf ka -9 in the publisher section to
ensure that if some leftover processers  are still running inside sb,
they get killed.

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[Lothar Behrens]

I had trouble keeping qemu running when a java process like CC is  
acting. The qemu process seemed to freeze.
After a while I found a posting on qemu list how to keep the qemu host  
not freezing for ever.

Here I posted the script I used to monitor a qemu process with the  
help of ping -c 1 to automate the task:

http://qemu-forum.ipi.fi/viewtopic.php?f=4&t=4744

This may help others :-)

Lothar

-- | Rapid Prototyping | XSLT Codegeneration | http://www.lollisoft.de
Lothar Behrens
Heinrich-Scheufelen-Platz 2
73252 Lenningen









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