import optparse
import tempfile
import shutil
+import random
sys.path.insert(0, "bin/python")
-from samba import gensec
+from samba import gensec, get_debug_level
from samba.emulate import traffic
import samba.getopt as options
+from samba.logger import get_samba_logger
+from samba.samdb import SamDB
+from samba.auth import system_session
def print_err(*args, **kwargs):
parser.add_option('-c', '--clean-up',
action="store_true",
help='Clean up the generated groups and user accounts')
+ parser.add_option('--random-seed', type='int', default=0,
+ help='Use to keep randomness consistent across multiple runs')
model_group = optparse.OptionGroup(parser, 'Traffic Model Options',
'These options alter the traffic '
user_gen_group.add_option('--group-memberships', type='int', default=0,
help='Total memberships to assign across all '
'test users and all groups')
+ user_gen_group.add_option('--max-members', type='int', default=None,
+ help='Max users to add to any one group')
parser.add_option_group(user_gen_group)
sambaopts = options.SambaOptions(parser)
parser.print_usage()
return
+ lp = sambaopts.get_loadparm()
+ debuglevel = get_debug_level()
+ logger = get_samba_logger(name=__name__,
+ verbose=debuglevel > 3,
+ quiet=debuglevel < 1)
+
+ traffic.DEBUG_LEVEL = debuglevel
+ # pass log level down to traffic module to make sure level is controlled
+ traffic.LOGGER.setLevel(logger.getEffectiveLevel())
+
if opts.clean_up:
- print_err("Removing user and machine accounts")
+ logger.info("Removing user and machine accounts")
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)
creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
if summary:
if not os.path.exists(summary):
- print_err("Summary file %s doesn't exist" % summary)
+ logger.error("Summary file %s doesn't exist" % summary)
sys.exit(1)
# the summary-file can be ommitted for --generate-users-only and
# --cleanup-up, but it should be specified in all other cases
elif not opts.generate_users_only:
- print_err("No summary-file specified to replay traffic from")
+ logger.error("No summary-file specified to replay traffic from")
sys.exit(1)
if not opts.fixed_password:
- print_err(("Please use --fixed-password to specify a password"
- " for the users created as part of this test"))
+ logger.error(("Please use --fixed-password to specify a password"
+ " for the users created as part of this test"))
sys.exit(1)
- lp = sambaopts.get_loadparm()
+ if opts.random_seed:
+ random.seed(opts.random_seed)
+
creds = credopts.get_credentials(lp)
creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL)
else:
domain = lp.get("workgroup")
if domain == "WORKGROUP":
- print_err(("NETBIOS domain does not appear to be "
- "specified, use the --workgroup option"))
+ logger.error(("NETBIOS domain does not appear to be "
+ "specified, use the --workgroup option"))
sys.exit(1)
if not opts.realm and not lp.get('realm'):
- print_err("Realm not specified, use the --realm option")
+ logger.error("Realm not specified, use the --realm option")
sys.exit(1)
if opts.generate_users_only and not (opts.number_of_users or
opts.number_of_groups):
- print_err(("Please specify the number of users and/or groups "
- "to generate."))
+ logger.error(("Please specify the number of users and/or groups "
+ "to generate."))
sys.exit(1)
if opts.group_memberships and opts.average_groups_per_user:
- print_err(("--group-memberships and --average-groups-per-user"
- " are incompatible options - use one or the other"))
+ logger.error(("--group-memberships and --average-groups-per-user"
+ " are incompatible options - use one or the other"))
sys.exit(1)
if not opts.number_of_groups and opts.average_groups_per_user:
- print_err(("--average-groups-per-user requires "
- "--number-of-groups"))
+ logger.error(("--average-groups-per-user requires "
+ "--number-of-groups"))
sys.exit(1)
+ if opts.number_of_groups and opts.average_groups_per_user:
+ if opts.number_of_groups < opts.average_groups_per_user:
+ logger.error(("--average-groups-per-user can not be more than "
+ "--number-of-groups"))
+ sys.exit(1)
+
if not opts.number_of_groups and opts.group_memberships:
- print_err("--group-memberships requires --number-of-groups")
+ logger.error("--group-memberships requires --number-of-groups")
sys.exit(1)
if opts.timing_data not in ('-', None):
try:
open(opts.timing_data, 'w').close()
- except IOError as e:
- print_err(("the supplied timing data destination "
- "(%s) is not writable" % opts.timing_data))
- print_err(e)
+ except IOError:
+ # exception info will be added to log automatically
+ logger.exception(("the supplied timing data destination "
+ "(%s) is not writable" % opts.timing_data))
sys.exit()
if opts.traffic_summary not in ('-', None):
try:
open(opts.traffic_summary, 'w').close()
- except IOError as e:
- print_err(("the supplied traffic summary destination "
- "(%s) is not writable" % opts.traffic_summary))
- print_err(e)
+ except IOError:
+ # exception info will be added to log automatically
+ logger.exception(("the supplied traffic summary destination "
+ "(%s) is not writable" % opts.traffic_summary))
sys.exit()
- traffic.DEBUG_LEVEL = opts.debuglevel
-
duration = opts.duration
if duration is None:
duration = 60.0
conversations, interval, duration, dns_counts = \
traffic.ingest_summaries([summary])
- print_err(("Using conversations from the traffic summary "
- "file specified"))
+ logger.info(("Using conversations from the traffic summary "
+ "file specified"))
# honour the specified duration if it's different to the
# capture duration
duration = opts.duration
except ValueError as e:
- if not e.message.startswith('need more than'):
+ if not str(e).startswith('need more than'):
raise
model = traffic.TrafficModel()
try:
model.load(summary)
except ValueError:
- print_err(("Could not parse %s. The summary file "
- "should be the output from either the "
- "traffic_summary.pl or "
- "traffic_learner scripts."
- % summary))
+ logger.error(("Could not parse %s. The summary file "
+ "should be the output from either the "
+ "traffic_summary.pl or "
+ "traffic_learner scripts.") % summary)
sys.exit()
- print_err(("Using the specified model file to "
- "generate conversations"))
+ logger.info(("Using the specified model file to "
+ "generate conversations"))
conversations = model.generate_conversations(opts.scale_traffic,
duration,
else:
conversations = []
- if opts.debuglevel > 5:
+ if debuglevel > 5:
for c in conversations:
for p in c.packets:
- print(" ", p)
+ print(" ", p, file=sys.stderr)
- print('=' * 72)
+ print('=' * 72, file=sys.stderr)
if opts.number_of_users and opts.number_of_users < len(conversations):
- print_err(("--number-of-users (%d) is less than the "
- "number of conversations to replay (%d)"
- % (opts.number_of_users, len(conversations))))
+ logger.error(("--number-of-users (%d) is less than the "
+ "number of conversations to replay (%d)"
+ % (opts.number_of_users, len(conversations))))
sys.exit(1)
number_of_users = max(opts.number_of_users, len(conversations))
if not opts.group_memberships and opts.average_groups_per_user:
opts.group_memberships = opts.average_groups_per_user * number_of_users
- print_err(("Using %d group-memberships based on %u average "
- "memberships for %d users"
- % (opts.group_memberships,
- opts.average_groups_per_user, number_of_users)))
+ logger.info(("Using %d group-memberships based on %u average "
+ "memberships for %d users"
+ % (opts.group_memberships,
+ opts.average_groups_per_user, number_of_users)))
if opts.group_memberships > max_memberships:
- print_err(("The group memberships specified (%d) exceeds "
- "the total users (%d) * total groups (%d)"
- % (opts.group_memberships, number_of_users,
- opts.number_of_groups)))
+ logger.error(("The group memberships specified (%d) exceeds "
+ "the total users (%d) * total groups (%d)"
+ % (opts.group_memberships, number_of_users,
+ opts.number_of_groups)))
sys.exit(1)
+ # Get an LDB connection.
try:
- ldb = traffic.openLdb(host, creds, lp)
+ # if we're only adding users, then it's OK to pass a sam.ldb filepath
+ # as the host, which creates the users much faster. In all other cases
+ # we should be connecting to a remote DC
+ if opts.generate_users_only and os.path.isfile(host):
+ ldb = SamDB(url="ldb://{0}".format(host),
+ session_info=system_session(), lp=lp)
+ else:
+ ldb = traffic.openLdb(host, creds, lp)
except:
- print_err(("\nInitial LDAP connection failed! Did you supply "
- "a DNS host name and the correct credentials?"))
+ logger.error(("\nInitial LDAP connection failed! Did you supply "
+ "a DNS host name and the correct credentials?"))
sys.exit(1)
if opts.generate_users_only:
+ # generate computer accounts for added realism. Assume there will be
+ # some overhang with more computer accounts than users
+ computer_accounts = int(1.25 * number_of_users)
traffic.generate_users_and_groups(ldb,
opts.instance_id,
opts.fixed_password,
opts.number_of_users,
opts.number_of_groups,
- opts.group_memberships)
+ opts.group_memberships,
+ opts.max_members,
+ machine_accounts=computer_accounts,
+ traffic_accounts=False)
sys.exit()
tempdir = tempfile.mkdtemp(prefix="samba_tg_")
- print_err("Using temp dir %s" % tempdir)
+ logger.info("Using temp dir %s" % tempdir)
traffic.generate_users_and_groups(ldb,
opts.instance_id,
opts.fixed_password,
number_of_users,
opts.number_of_groups,
- opts.group_memberships)
+ opts.group_memberships,
+ opts.max_members,
+ machine_accounts=len(conversations),
+ traffic_accounts=True)
accounts = traffic.generate_replay_accounts(ldb,
opts.instance_id,
else:
summary_dest = open(opts.traffic_summary, 'w')
- print_err("Writing traffic summary")
+ logger.info("Writing traffic summary")
summaries = []
for c in conversations:
summaries += c.replay_as_summary_lines()
else:
timing_dest = open(opts.timing_data, 'w')
- print_err("Generating statistics")
+ logger.info("Generating statistics")
traffic.generate_stats(statsdir, timing_dest)
if not opts.preserve_tempdir:
- print_err("Removing temporary directory")
+ logger.info("Removing temporary directory")
shutil.rmtree(tempdir)
git.samba.org / samba.git / blobdiff