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-S, --scale--traffic defaults to 1.0
when we switch to new option -T, both -T and -S are set, which raise an error:
script/traffic_replay #234: --scale-traffic and --packets-per-second are incompatible. Use one or the other.
Signed-off-by: Joe Guo <joeg@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Tim Beale <timbeale@catalyst.net.nz>
Autobuild-User(master): Tim Beale <timbeale@samba.org>
Autobuild-Date(master): Wed Jan 23 03:09:41 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>
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>
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>
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>
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>
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 command output looks like b'foo\nbar' in string-space.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
sn-devel autobuild runing autobuild.py (via git hooks I suppose) but
if run directly (e.g. depending on script shebang) then 'python' aka
python2 will run. This will cause an error when building some targets
because the autobuild script itself sometimes builds paths based
on the version of python executing the script e.g ${PYTHON_PREFIX}.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Now that we are building with python3 by default we need to
convert the old python3 test tasks to python2 (e.g. reverse how
we used do it)
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The resuls of get_python_lib are different between python2 & python3
and this results in autobuild generating the wrong PYTHONPATH with
python3.
python2
=======
print ("%s" % get_python_lib(standard_lib=1, prefix='/my/prefix'))
/my/prefix/lib64/python2.7
python3
print ("%s" % get_python_lib(standard_lib=1, prefix='/my/prefix'))
/my/prefix/lib/python3.6
But with addition of plat_specific param the results are the same
python2
=======
print ("%s" % get_python_lib(plat_specific=1, standard_lib=0, prefix='/my/prefix'))
/my/prefix/lib64/python2.7/site-packages
python3
=======
print ("%s" % get_python_lib(plat_specific=1, standard_lib=0, prefix='/my/prefix'))
/my/prefix/lib64/python3.6/site-packages
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Since autobuild now builds python3 by default we need to change
the previously buildpy3 only job to python2
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
build_xc job uses compare_cc_results.py to compare cache
files, the cache files are stringified hash maps, the results
in python 3.4 don't compare well due to inconsistent order of
dict key/value pairs when the cache files are created. While
comparing the file contents works fine in python3.6 it fails
with python3.4. This patch detects problematic dict lines and
rewrites the value for comparison
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Ideally we want all the tests to run under python3 by default (no
special task for this) and then convert the existing '-py3' tasks
to run the python tests with python3.
However at the moment the convertion process is not ready to do this,
for a while we need to run separate autobuild tasks for this.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
traffic_replay tries to distribute the users among the groups in a
realistic manner - some groups will have almost all users in them.
However, this becomes a problem when testing a really large database,
e.g. we may want 100K users, but no more than 5K users in each group.
This patch adds a max-member option so we can limit how big the groups
actually get.
If we detect that a group exceeds the max-members, we reset the group's
probability (of getting selected) to zero, and then recalculate the
cumulative distribution. The means that the group should no longer get
selected by generate_random_membership(). (Note we can't completely
remove the group from the list because that changes the
list-index-to-group-ID mapping).
Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Dec 4 12:22:50 CET 2018 on sn-devel-144
Ideally we want all the tests to run under python3 by default (no
special task for this) and then convert the existing '-py3' tasks
to run the python tests with python3.
However at the moment the convertion process is not ready to do this,
for a while we need to run separate autobuild tasks for this.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
generate_users_and_groups() now generates the machine acounts as well as
the user accounts, so it seems there's no need to also have
generate_traffic_accounts(), which does the same job.
Instead, we can just pass through the number of machine acounts to
generate_users_and_groups() and delete the other function.
Also updated generate_users_and_groups() so that machine_accounts is
no longer optional (we want to create machine accounts in all cases).
Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We create machine accounts for 2 different purposes:
1). For traffic generation, i.e. testing realistic network packets.
2). For generating a realistic large DB.
Unfortunately, we want to use different userAccountControl flags for
the 2 different cases. Commit 3338a3e257 changed the flags used
for case #2, but this breaks case #1.
The problem is generate_users_and_groups() is called in both cases,
so we want the 'traffic account' flag passed into that function.
This ensures that the machine accounts get created with the appropriate
userAccountControl flags for the particular case you want to test.
Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
I was assuming that generate_users_and_groups() only gets called in the
--generate-users-only case. However, it also gets called in the default
traffic replay case.
This patch reworks the code so that the number of machine accounts to
create gets passed in, and the 'create 25% more computers than users'
assumption only applies to the --generate-users-only case.
Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We were trying to access the debug-level (in python C bindings) before
the smb.conf had been loaded and actually set the debug-level. So it
would default to zero, regardless of what was in the smb.conf.
Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We can create user accounts much faster if the LDB connection talks
directly to the local sam.ldb file rather than going via LDAP. This
patch allows the 'host' argument to the tool to be a .ldb file (e.g.
"/usr/local/samba/private/sam.ldb") instead of a server name/IP.
In most cases, the traffic_replay tool wants to run on a remote device
(because the point of it is to send traffic to the DC). However, the
--generate-users-only is one case where the tool can be run locally,
directly on the test DC. (The traffic_replay user generation is handy
for standalone testing, because it also handles assigning group
memberships to the generated user accounts).
Note that you also need to use '--option="ldb:nosync = true"' to get
the improvement in performance.
Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We now run a purepython3 none-env test, later when the whole
build is running under python3 we will resurrect this job
but as (samba-none-env-py2) for python2
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Oct 23 09:10:22 CEST 2018 on sn-devel-144
Ideally we want all the tests to run under python3 by default (no
special task for this) and then convert the existing '-py3' tasks
to run the python tests with python3.
However at the moment the convertion process is not ready to do this,
for a while we need to run separate autobuild tasks for this.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Use logger to replace print
Signed-off-by: Joe Guo <joeg@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The -d option will set samba global debug level automatically.
We should not parse and use the passed in value.
Use samba.get_debug_level instead.
Signed-off-by: Joe Guo <joeg@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is debug info, should print to stderr.
Otherwise it will flood stdout.
Signed-off-by: Joe Guo <joeg@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
