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Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Tim Beale <timbeale@samba.org>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Wed Jan 9 03:53:58 CET 2019 on sn-devel-144
The old -S/--scale-traffic is relative to the original model, which made
its relationship to true traffic volumes quite opaque
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This gives you a name of a temporary file within the test case's tempdir.
Use it like this:
with self.mktemp() as filename:
self.check_run("samba-tool foo --output %s" % filename)
self.assertStringsEqual(open(filename).read(), expected)
and filename will flick out of existence when the with block ends.
This is based on an idea used in the traffic_runner tests, which will
soon be adapted to use this method.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
traffic_replay had a broken sense of traffic scale. That is fixed, but
in order to compare old and new tests, it helps to be able to
approximate the old behaviour.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The traffic model is generated from a window in time, which makes
conversations appear to start and stop unnaturally at the window
boundaries. When the window is short compared to the traffic replay
time and the true expected conversation length, this has a significant
distorting effect, leading to more conversations than would be
expected to generate a given number of packets.
To offset this slightly we add the --conversation-persistence option
which tries to convert apparent death into a longish wait.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
tracebacks and less nonsense at higher debug levels.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If the packets really wouldn't do anything, we might as well not add them.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This completes the work of 68c64c634ad7576b2ab5ef838c203320afd90f44,
but differs from that in that it makes no actual change because isatty
was not being called so was always evaluated as true.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add more "header" values indicating the progress of the run as a
whole.
The new fields are:
Max sleep miss - the longest sleep() oversleep. Indicates client load.
Maximum lag - the longest gap between a planned packet
time and its actual time.
Start lag - the longest gap between intended and actual
conversation start.
Planned conversations - how many conversations we meant to have.
Planned packets - how many "packets" we thought we were making. Not
all "packets" result in actual operations or packets.
Unfinished conversations - how many conversations had not finished
when they were killed.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
x <= 0 will fail one or both of the other test clauses.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Conversations that haven't finished within some acceptable margin of
on-time can be said to have failed. This is where you specify that
margin.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Sometimes you want to know if any client is crashing for any reason.
In those times use --stop-on-any-error for an early exit.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Otherwise they all replay using the same random sequence.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Some "packets" don't generate any actual traffic. If we have a
conversation consisting only of those, we can avoid forking a client
for it.
This *slightly* increases the load over that which would be generated
otherwise for a given traffic rate, but that's OK.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Use less memory altogether and don't allocated shared mutable before
the fork.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Rather than building all the packets at this point, we stick to the
barest details of the packets (which is all the model gives us
anyway).
The advantage is that will take a lot less memory, which matters
because this process forks into many clients that were sharing and
mutate the conversation list.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We are soon going to have a self.packet_rate, and replay_speed is more
accurate in this case.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
So we can use it to determine whether a packet should be a Packet before
making the leap.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
even if someone asked to keep the temporary data, they don't want
to see 5000 empty directries. Non-empty directories will remain.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Saving memory, which reduces fork overhead.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
add_argument(type=argparse.FileType('w'), ...) will open the file
and leave it empty if the script fails.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
And use it in tests, rather than expecting exact strings.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We could not do this when we replayed traffic summaries (as opposed to
models), but now this script does not do that.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The traffic_replay script has been able to replay a replay log as well
as a model, which was not used in practice and complicated the script.
If we want that feature, we can make a new script for it.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The other one is python/samba/tests/blackbox/testdata/traffic-sample-very-short.model
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
SOME_UNMAPPED does not mean that nothing worthwhile is in here. We
need to pass what we have.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Jan 8 13:15:35 CET 2019 on sn-devel-144
--with-sendfile-support should be used automatically if it's found.
Configure now also fails reliably for all platforms when sendfile was
explicitly requested but failed to be detected.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=9707
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Jan 8 07:03:49 CET 2019 on sn-devel-144
This affects net rpc getsid and net rpc changetrustpw commands.
This avoids an anonymous IPC connection being made when -k is used,
this only affects net rpc getsid and net rpc changetrustpw commands.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13726
Signed-off-by: Justin Stephenson <jstephen@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Noel Power <npower@samba.org>
