Hello Christian, I tried to execute the script during build process.
Here is a couple of outputs from machine where this build is sometimes
failing:
[(0, 9), (0.0001, 9), (0.001, 8), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 10), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 8), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 9), (0.0001, 10), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 9), (0.0001, 9), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 10), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 9), (0.0001, 10), (0.001, 6), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 6), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 9), (0.0001, 9), (0.001, 6), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 9), (0.0001, 10), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 6), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 10), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 10), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 7), (0.01, 0), (0.1, 0), (1, 0)]
[(0, 10), (0.0001, 9), (0.001, 6), (0.01, 0), (0.1, 0), (1, 0)]
Filip
On 2016/11/27 00:38, Christian Geier wrote:
> Hi Filip,
> could you perhaps run the attached file on the test machine (with
> `py.test vdir_test.py`, py.test is needed for the creation of a temp
> directory).
>
> On my machine the output looks like this:
> [(0, 10), (0.0001, 8), (0.001, 0), (0.01, 0), (0.1, 0), (1, 0)]
>
> Similar experiments before made me choose the current delay.
>
> Best regards,
> Christian
>
> Quoting Filip Pytloun (2016-11-24 00:20:50)
> > On 2016/11/24 00:00, Santiago Vila wrote:
> > > Try using a chroot without union-type=overlay.
> >
> > Unfortunately it will result in the same error :-/
> import os
> import time
>
>
> def get_etag_from_file(f):
> '''Get mtime-based etag from a filepath or file-like object.
>
> This function will flush/sync the file as much as necessary to obtain a
> correct mtime.
> '''
> stat = os.stat(f)
> mtime = getattr(stat, 'st_mtime_ns', None)
> if mtime is None:
> mtime = stat.st_mtime
> return '{:.9f}'.format(mtime)
>
>
> def test_etag(tmpdir):
> fpath = os.path.join(str(tmpdir), 'foo')
> stats = dict()
> for delay in [0, 0.0001, 0.001, 0.01, 0.1, 1]:
> failed = list()
> for one in range(10):
>
> file_ = open(fpath, 'w')
> file_.write('foo')
> file_.close()
>
> old_etag = get_etag_from_file(fpath)
> time.sleep(delay)
>
> file_ = open(fpath, 'w')
> file_.write('bar')
> file_.close()
>
> new_etag = get_etag_from_file(fpath)
>
> if old_etag == new_etag:
> failed.append(
> (one, new_etag)
> )
> stats[delay] = len(failed)
> print(sorted(stats.items()))
> assert False # here to make sure we get the print output via py.test
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