Here's an update to this issue, if not an actual resolution.  It seems that while this RemoveDirectory step

clean_buildout_dir= steps.RemoveDirectory(
name= util.Interpolate("Clean_build_out_folder"),
dir='../build_out',
haltOnFailure= False,
flunkOnFailure= False,
description= util.Interpolate("Cleaning the ../build_out directory"),
                )

fails on my Windows 10 worker, this nearly-equivalent ShellCommand step

shell_clean_buildout_dir= steps.ShellCommand(
name= util.Interpolate("Clean_build_out_folder"),
command= [ 'rmdir',
'/s',
'/q',
                                  r'..\build_out',
                                ],
haltOnFailure= False,
flunkOnFailure= False,
description= util.Interpolate("Cleaning the ../build_out directory"),
                )

succeeds.

The RemoveDirectory step fails even if I use the Windows backslash path separator dir = r'..\build_out', which should make it more similar to the successful ShellCommand step.

I'd prefer to have a single RemoveDirectory step that would work on both my Windows 10 worker as well as my Linux workers, but I don't know how to diagnose why RemoveDirectory is failing.  What is it doing different from the similar ShellCommand step above?

-Greg



On 2/26/2021 2:16 PM, Greg Bullock wrote:
How to track down why the RemoveDirectory step fails on my Windows 10 worker?  I'm using

  * Python version: 3.6.8
  * Buildbot version: 2.8.3
  * Twisted version: 19.10.0

On my Windows 10 worker, the RemoveDirectory step consistently fails.  The twistd.log shows the failure but gives no details about why it occurs:

2021-02-2614:00:28-0800 [-] sending ping
2021-02-2614:00:28-0800 [Broker,0,10.20.0.122] ping finished: success
2021-02-2614:00:28-0800 [-] <RemoteCommand 'rmdir' at 140550964187032>: RemoteCommand.run [0] 2021-02-2614:00:28-0800 [Broker,0,10.20.0.122] <RemoteCommand 'rmdir' at 140550964187032> rc=-1
2021-02-2614:00:28-0800 [-] 
releaseLocks(RemoveDirectory(name=Interpolate('Clean_%(prop:cmake_fortran)s_x64_build_folder'),
 dir='build_out', haltOnFailure=False, flunkOnFailure=False, 
description=Interpolate('Cleaning the build directory for the 
%(prop:cmake_fortran)s %(prop:cmake_threads)s-threaded 
%(prop:lib_linking)s-library configuration of GPSII'))): []
2021-02-2614:00:28-0800 [-]  step 'Clean_gfortran_x64_build_folder' complete: failure (None) 2021-02-2614:00:28-0800 [-] <RemoteShellCommand '['svn', '--version']'>: RemoteCommand.run [1]
2021-02-2614:00:28-0800 [-] command '['svn', '--version']' in dir 'build'
2021-02-2614:00:28-0800 [Broker,0,10.20.0.122] <RemoteShellCommand '['svn', '--version']'> rc=0

Is there a way to enable more detailed diagnostics?

And by the way, thank you all who've contributed to this great tool!

-Greg



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Greg Bullock
NorthWest Research Associates
301 Webster St.
Monterey, CA  93940
(831) 582-4907
g...@nwra.com

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