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#!/usr/bin/python
"""
Run virt tests outside the autotest client harness.
:copyright: Red Hat 2012
"""
import os
import sys
import traceback
import signal
import optparse
import logging
class StreamProxy(object):
"""
Mechanism to redirect a stream to a file, allowing the original stream to
be restored later.
"""
def __init__(self, filename='/dev/null', stream=sys.stdout):
"""
Keep 2 streams to write to, and eventually switch.
"""
self.terminal = stream
if filename is None:
self.log = stream
else:
self.log = open(filename, "a")
self.redirect()
def write(self, message):
"""
Write to the current stream.
"""
self.stream.write(message)
def flush(self):
"""
Flush the current stream.
"""
self.stream.flush()
def restore(self):
"""Restore original stream"""
self.stream = self.terminal
def redirect(self):
"""Redirect stream to log file"""
self.stream = self.log
def _silence_stderr():
"""
Points the stderr FD (2) to /dev/null, silencing it.
"""
out_fd = os.open('/dev/null', os.O_WRONLY | os.O_CREAT)
try:
os.dup2(out_fd, 2)
finally:
os.close(out_fd)
sys.stderr = os.fdopen(2, 'w')
def _handle_stdout(options):
"""
Replace stdout with a proxy object.
Depending on self.options.verbose, make proxy print to /dev/null, or
original sys.stdout stream.
"""
if not options.verbose:
_silence_stderr()
# Replace stdout with our proxy pointing to /dev/null
sys.stdout = StreamProxy(filename="/dev/null", stream=sys.stdout)
else:
# Retain full stdout
sys.stdout = StreamProxy(filename=None, stream=sys.stdout)
def _restore_stdout():
"""
Restore stdout. Used to re-enable stdout on error paths.
"""
try:
sys.stdout.restore()
except AttributeError:
pass
def _import_autotest_modules():
"""
Import the autotest modules.
Two methods will be attempted:
1) If $AUTOTEST_PATH is set, import the libraries from an autotest checkout
at $AUTOTEST_PATH.
2) Import the libraries system wide. For this to work, the
autotest-framework package for the given distro must be installed.
"""
autotest_dir = os.environ.get('AUTOTEST_PATH')
if autotest_dir is not None:
client_dir = os.path.join(autotest_dir, 'client')
setup_modules_path = os.path.join(client_dir, 'setup_modules.py')
import imp
try:
setup_modules = imp.load_source('autotest_setup_modules',
setup_modules_path)
except:
print "Failed to import autotest modules from $AUTOTEST_PATH"
print "Could not load Python module %s" % (setup_modules_path)
sys.exit(1)
setup_modules.setup(base_path=client_dir,
root_module_name="autotest.client")
try:
from autotest.client import setup_modules
except ImportError:
print "Couldn't import autotest.client module"
if autotest_dir is None:
print("Environment variable $AUTOTEST_PATH not set. "
"please set it to a path containing an autotest checkout")
print("Or install autotest-framework for your distro")
sys.exit(1)
def _find_default_qemu_paths(options_qemu=None):
qemu_bin_path = None
from virttest import utils_misc
if options_qemu:
if not os.path.isfile(options_qemu):
raise RuntimeError("Invalid qemu binary provided (%s)" %
options_qemu)
qemu_bin_path = options_qemu
else:
try:
qemu_bin_path = utils_misc.find_command('qemu-kvm')
except ValueError:
qemu_bin_path = utils_misc.find_command('kvm')
qemu_dirname = os.path.dirname(qemu_bin_path)
qemu_img_path = os.path.join(qemu_dirname, 'qemu-img')
qemu_io_path = os.path.join(qemu_dirname, 'qemu-io')
if not os.path.exists(qemu_img_path):
qemu_img_path = utils_misc.find_command('qemu-img')
if not os.path.exists(qemu_io_path):
qemu_io_path = utils_misc.find_command('qemu-io')
return [qemu_bin_path, qemu_img_path, qemu_io_path]
SUPPORTED_LOG_LEVELS = [
"debug", "info", "warning", "error", "critical"]
SUPPORTED_TEST_TYPES = [
'qemu', 'libvirt', 'libguestfs', 'openvswitch', 'v2v', 'lvsb']
SUPPORTED_IMAGE_TYPES = ['raw', 'qcow2', 'qed', 'vmdk']
SUPPORTED_DISK_BUSES = ['ide', 'scsi', 'virtio_blk', 'virtio_scsi', 'lsi_scsi',
'ahci', 'usb2', 'xenblk']
SUPPORTED_NIC_MODELS = ["virtio_net", "e1000", "rtl8139", "spapr-vlan"]
class VirtTestRunParser(optparse.OptionParser):
def __init__(self):
optparse.OptionParser.__init__(self, usage='Usage: %prog [options]')
from virttest import data_dir
try:
qemu_bin_path = _find_default_qemu_paths()[0]
except ValueError:
qemu_bin_path = "Could not find one"
if os.getuid() == 0:
nettype_default = 'bridge'
else:
nettype_default = 'user'
general = optparse.OptionGroup(self, 'General Options')
general.add_option("-v", "--verbose", action="store_true",
dest="verbose", help="Exhibit debug messages")
general.add_option("-t", "--type", action="store", dest="type",
help="Choose test type (%s)" %
", ".join(SUPPORTED_TEST_TYPES))
general.add_option("-c", "--config", action="store", dest="config",
help=("Explicitly choose a cartesian config. "
"When choosing this, some options will be "
"ignored"))
general.add_option("--no-downloads", action="store_true",
dest="no_downloads", default=False,
help="Do not attempt to download JeOS images")
general.add_option("-r", "--restore-image", action="store_true",
dest="restore",
help="Restore guest image from the pristine image")
general.add_option("-j", "--restore-image-between-tests",
action="store_true", default=False,
dest="restore_image_between_tests",
help="Restore from the pristine image on *every test*")
general.add_option("-g", "--guest-os", action="store", dest="guest_os",
default=None,
help=("Select the guest OS to be used. "
"If -c is provided, this will be ignored. "
"Default: %s" % DEFAULT_GUEST_OS))
general.add_option("--arch", action="store", dest="arch",
default=None,
help=("Architecture under test. "
"If -c is provided, this will be ignored. "
"Default: any that supports the given machine type"))
general.add_option(
"--machine-type", action="store", dest="machine_type",
default=None,
help=("Machine type under test. "
"If -c is provided, this will be ignored. "
"Default: all for the chosen guests, %s if "
"--guest-os not given." % DEFAULT_MACHINE_TYPE))
general.add_option("--tests", action="store", dest="tests",
default="",
help=('List of space separated tests to be '
'executed. '
'If -c is provided, this will be ignored.'
' - example: --tests "boot reboot shutdown"'))
general.add_option("--list-tests", action="store_true", dest="list",
help="List tests available")
general.add_option("--list-guests", action="store_true",
dest="list_guests",
help="List guests available")
general.add_option("--logs-dir", action="store", dest="logdir",
help=("Path to the logs directory. "
"Default path: %s" %
os.path.join(data_dir.get_backing_data_dir(),
'logs')))
general.add_option("--data-dir", action="store", dest="datadir",
help=("Path to a data dir. "
"Default path: %s" %
data_dir.get_backing_data_dir()))
general.add_option(
"--restart-vm", action="store_true", dest="restart_vm",
default=False,
help=("Whether to reboot the vm between every test. "
"Default: False"))
general.add_option("-m", "--mem", action="store", dest="mem",
default="1024",
help=("RAM dedicated to the main VM. Default:"
"%default"))
general.add_option(
"--no", action="store", dest="no_filter", default="",
help=("List of space separated no filters to be "
"passed to the config parser. If -c is "
"provided, this will be ignored"))
general.add_option("--type-specific", action="store_true",
dest="only_type_specific", default=False,
help=("Enable only type specific tests. Shared"
" tests will not be tested."))
general.add_option("--run-dropin", action="store_true", dest="dropin",
default=False,
help=("Run tests present on the drop in dir on the "
"host. Incompatible with --tests."))
general.add_option("--log-level", action="store", dest="log_level",
default="debug",
help=("Set log level for top level log file."
" Supported levels: " +
", ".join(SUPPORTED_LOG_LEVELS) +
". Default: %default"))
self.add_option_group(general)
qemu = optparse.OptionGroup(self, 'Options specific to the qemu test')
qemu.add_option("--qemu-bin", action="store", dest="qemu",
default=None,
help=("Path to a custom qemu binary to be tested. "
"If -c is provided and this flag is omitted, "
"no attempt to set the qemu binaries will be made. "
"Default path: %s" % qemu_bin_path))
qemu.add_option("--use-malloc-perturb", action="store",
dest="malloc_perturb", default="yes",
help=("Use MALLOC_PERTURB_ env variable set to 1 "
"to help catch memory allocation problems on "
"qemu (yes or no). Default: %default"))
qemu.add_option("--accel", action="store", dest="accel", default="kvm",
help=("Accelerator used to run qemu (kvm or tcg). "
"Default: kvm"))
qemu.add_option("--nettype", action="store", dest="nettype",
default=nettype_default,
help=("QEMU network option (bridge, user or none). "
"Default: %default"))
qemu.add_option("--netdst", action="store", dest="netdst",
default="virbr0",
help=("Bridge name to be used "
"(if you chose bridge as nettype). "
"Default: %default"))
qemu.add_option("--vhost", action="store", dest="vhost",
default="off",
help=("Whether to enable vhost for qemu "
"(on/off/force). Depends on nettype=bridge. "
"If -c is provided, this will be ignored. "
"Default: %default"))
qemu.add_option("--monitor", action="store", dest="monitor",
default='human',
help="Monitor type (human or qmp). Default: %default")
qemu.add_option("--smp", action="store", dest="smp",
default='2',
help=("Number of virtual cpus to use. "
"If -c is provided, this will be ignored. "
"Default: %default"))
qemu.add_option("--image-type", action="store", dest="image_type",
default="qcow2",
help=("Image format type to use "
"(any valid qemu format). "
"If -c is provided, this will be ignored. "
"Default: %default"))
qemu.add_option("--nic-model", action="store", dest="nic_model",
default="virtio_net",
help=("Guest network card model. "
"If -c is provided, this will be ignored. "
"(any valid qemu format). Default: %default"))
qemu.add_option("--disk-bus", action="store", dest="disk_bus",
default="virtio_blk",
help=("Guest main image disk bus. One of " +
" ".join(SUPPORTED_DISK_BUSES) +
". If -c is provided, this will be ignored. "
"Default: %default"))
qemu.add_option("--qemu_sandbox", action="store", dest="qemu_sandbox",
default="on",
help=("Enable qemu sandboxing "
"(on/off). Default: %default"))
self.add_option_group(qemu)
libvirt = optparse.OptionGroup(self, 'Options specific to the libvirt test')
libvirt.add_option("--install", action="store_true", dest="install_guest",
help=("Install the guest using import method before "
"the tests are run."))
libvirt.add_option("--remove", action="store_true", dest="remove_guest",
help=("Remove the guest from libvirt. This will not "
"delete the guest's disk file."))
self.add_option_group(libvirt)
def variant_only_file(filename):
"""
Parse file containing flat list of items to append on an 'only' filter
"""
from virttest import data_dir
result = []
fullpath = os.path.realpath(os.path.join(data_dir.get_root_dir(), filename))
for line in open(fullpath).readlines():
line = line.strip()
if line.startswith('#') or len(line) < 3:
continue
result.append(line)
return ", ".join(result)
DEFAULT_MACHINE_TYPE = "i440fx"
DEFAULT_GUEST_OS = "JeOS.19"
QEMU_DEFAULT_SET = "migrate..tcp, migrate..unix, migrate..exec, migrate..fd"
LIBVIRT_DEFAULT_SET = variant_only_file('libvirt/cfg/default_tests')
LVSB_DEFAULT_SET = ("lvsb_date")
OVS_DEFAULT_SET = ("load_module, ovs_basic")
LIBVIRT_INSTALL = "unattended_install.import.import.default_install.aio_native"
LIBVIRT_REMOVE = "remove_guest.without_disk"
class VirtTestApp(object):
"""
Class representing the execution of the virt test runner.
"""
@staticmethod
def system_setup():
"""Set up things that affect the whole process
Initialize things that will affect the whole process, such as
environment variables, setting up Python module paths, or redirecting
stdout and/or stderr.
"""
# workaround for a but in some Autotest versions, that call
# logging.basicConfig() with DEBUG loglevel as soon as the modules
# are imported
logging.basicConfig(loglevel=logging.ERROR)
_import_autotest_modules()
# set English environment
# (command output might be localized, need to be safe)
os.environ['LANG'] = 'en_US.UTF-8'
def __init__(self):
"""
Parses options and initializes attributes.
@attribute option_parser: option parser instance with app options.
@attribute options: options resulted from option parser.
@attribute cartesian_parser: specialized test config parser, it's going
to be set to something useful later.
"""
self.system_setup()
self.option_parser = VirtTestRunParser()
self.options, self.args = self.option_parser.parse_args()
self.cartesian_parser = None
def _process_qemu_bin(self):
"""
Puts the value of the qemu bin option in the cartesian parser command.
"""
if self.options.config and self.options.qemu is None:
logging.info("Config provided and no --qemu-bin set. Not trying "
"to automatically set qemu bin.")
else:
(qemu_bin_path, qemu_img_path,
qemu_io_path) = _find_default_qemu_paths(self.options.qemu)
self.cartesian_parser.assign("qemu_binary", qemu_bin_path)
self.cartesian_parser.assign("qemu_img_binary", qemu_img_path)
self.cartesian_parser.assign("qemu_io_binary", qemu_io_path)
def _process_qemu_img(self):
"""
Puts the value of the qemu bin option in the cartesian parser command.
"""
if self.options.config and self.options.qemu is None:
logging.info("Config provided and no --qemu-bin set. Not trying "
"to automatically set qemu bin.")
else:
(_, qemu_img_path,
_) = _find_default_qemu_paths(self.options.qemu)
self.cartesian_parser.assign("qemu_img_binary", qemu_img_path)
def _process_qemu_accel(self):
"""
Puts the value of the qemu bin option in the cartesian parser command.
"""
if self.options.accel == 'tcg':
self.cartesian_parser.assign("disable_kvm", "yes")
def _process_bridge_mode(self):
if self.options.nettype == 'bridge':
if os.getuid() != 0:
_restore_stdout()
print("In order to use bridge, you need to be root, "
"aborting...")
sys.exit(1)
self.cartesian_parser.assign("nettype", "bridge")
self.cartesian_parser.assign("netdst", self.options.netdst)
elif self.options.nettype == 'user':
self.cartesian_parser.assign("nettype", "user")
elif self.options.nettype == 'none':
self.cartesian_parser.assign("nettype", "none")
def _process_monitor(self):
if self.options.monitor == 'qmp':
self.cartesian_parser.assign("monitors", "qmp1")
self.cartesian_parser.assign("monitor_type_qmp1", "qmp")
def _process_smp(self):
if not self.options.config:
if self.options.smp == '1':
self.cartesian_parser.only_filter("up")
elif self.options.smp == '2':
self.cartesian_parser.only_filter("smp2")
else:
try:
self.cartesian_parser.only_filter("up")
self.cartesian_parser.assign("smp", int(self.options.smp))
except ValueError:
_restore_stdout()
print("Invalid option for smp: %s, aborting..." %
self.options.smp)
sys.exit(1)
else:
logging.info("Config provided, ignoring --smp option")
def _process_arch(self):
if self.options.arch is None:
pass
elif not self.options.config:
self.cartesian_parser.only_filter(self.options.arch)
else:
logging.info("Config provided, ignoring --arch option")
def _process_machine_type(self):
if not self.options.config:
if self.options.machine_type is None:
# TODO: this is x86-specific, instead we can get the default
# arch from qemu binary and run on all supported machine types
if self.options.arch is None and self.options.guest_os is None:
self.cartesian_parser.only_filter(DEFAULT_MACHINE_TYPE)
else:
self.cartesian_parser.only_filter(self.options.machine_type)
else:
logging.info("Config provided, ignoring --machine-type option")
def _process_image_type(self):
if not self.options.config:
if self.options.image_type in SUPPORTED_IMAGE_TYPES:
self.cartesian_parser.only_filter(self.options.image_type)
else:
self.cartesian_parser.only_filter("raw")
# The actual param name is image_format.
self.cartesian_parser.assign("image_format",
self.options.image_type)
else:
logging.info("Config provided, ignoring --image-type option")
def _process_nic_model(self):
if not self.options.config:
if self.options.nic_model in SUPPORTED_NIC_MODELS:
self.cartesian_parser.only_filter(self.options.nic_model)
else:
self.cartesian_parser.only_filter("nic_custom")
self.cartesian_parser.assign(
"nic_model", self.options.nic_model)
else:
logging.info("Config provided, ignoring --nic-model option")
def _process_disk_buses(self):
if not self.options.config:
if self.options.disk_bus in SUPPORTED_DISK_BUSES:
self.cartesian_parser.only_filter(self.options.disk_bus)
else:
_restore_stdout()
print("Option %s is not in the list %s, aborting..." %
(self.options.disk_bus, SUPPORTED_DISK_BUSES))
sys.exit(1)
else:
logging.info("Config provided, ignoring --disk-bus option")
def _process_vhost(self):
if not self.options.config:
if self.options.nettype == "bridge":
if self.options.vhost == "on":
self.cartesian_parser.assign("netdev_extra_params",
'",vhost=on"')
elif self.options.vhost == "force":
self.cartesian_parser.assign("netdev_extra_params",
'",vhostforce=on"')
else:
if self.options.vhost in ["on", "force"]:
_restore_stdout()
print("Nettype %s is incompatible with vhost %s, "
"aborting..." %
(self.options.nettype, self.options.vhost))
sys.exit(1)
else:
logging.info("Config provided, ignoring --vhost option")
def _process_qemu_sandbox(self):
if not self.options.config:
if self.options.qemu_sandbox == "off":
self.cartesian_parser.assign("qemu_sandbox", "off")
else:
logging.info("Config provided, ignoring \"--sandbox <on|off>\" option")
def _process_malloc_perturb(self):
self.cartesian_parser.assign("malloc_perturb",
self.options.malloc_perturb)
def _process_qemu_specific_options(self):
"""
Calls for processing all options specific to the qemu test.
This method modifies the cartesian set by parsing additional lines.
"""
self._process_qemu_bin()
self._process_qemu_accel()
self._process_monitor()
self._process_smp()
self._process_image_type()
self._process_nic_model()
self._process_disk_buses()
self._process_vhost()
self._process_malloc_perturb()
self._process_qemu_sandbox()
def _process_lvsb_specific_options(self):
"""
Calls for processing all options specific to lvsb test
"""
self.options.no_downloads = True
def _process_guest_os(self):
if not self.options.config:
from virttest import standalone_test
if len(standalone_test.get_guest_name_list(self.options)) == 0:
_restore_stdout()
print("Guest name %s is not on the known guest os list "
"(see --list-guests), aborting..." %
self.options.guest_os)
sys.exit(1)
self.cartesian_parser.only_filter(
self.options.guest_os or DEFAULT_GUEST_OS)
else:
logging.info("Config provided, ignoring --guest-os option")
def _process_list(self):
from virttest import standalone_test
if self.options.list:
standalone_test.print_test_list(self.options,
self.cartesian_parser)
sys.exit(0)
if self.options.list_guests:
standalone_test.print_guest_list(self.options)
sys.exit(0)
def _process_tests(self):
if not self.options.config:
if self.options.type:
if self.options.tests and self.options.dropin:
print("Option --tests and --run-dropin can't be set at "
"the same time")
sys.exit(1)
elif self.options.tests:
tests = self.options.tests.split(" ")
if self.options.type == 'libvirt':
if self.options.install_guest:
tests.insert(0, LIBVIRT_INSTALL)
if self.options.remove_guest:
tests.append(LIBVIRT_REMOVE)
self.cartesian_parser.only_filter(", ".join(tests))
elif self.options.dropin:
from virttest import data_dir
dropin_tests = os.listdir(os.path.join(data_dir.get_root_dir(), "dropin"))
if len(dropin_tests) <= 1:
_restore_stdout()
print("No drop in tests detected, aborting. "
"Make sure you have scripts on the 'dropin' "
"directory")
sys.exit(1)
self.cartesian_parser.only_filter("dropin")
else:
if self.options.type == 'qemu':
self.cartesian_parser.only_filter(QEMU_DEFAULT_SET)
self.cartesian_parser.no_filter("with_reboot")
elif self.options.type == 'libvirt':
self.cartesian_parser.only_filter(LIBVIRT_DEFAULT_SET)
elif self.options.type == 'lvsb':
self.cartesian_parser.only_filter(LVSB_DEFAULT_SET)
elif self.options.type == 'openvswitch':
self.cartesian_parser.only_filter(OVS_DEFAULT_SET)
else:
logging.info("Config provided, ignoring --tests option")
def _process_restart_vm(self):
if self.options.restart_vm:
self.cartesian_parser.assign("restart_vm", "yes")
def _process_restore_image_between_tests(self):
if self.options.restore_image_between_tests:
self.cartesian_parser.assign("restore_image", "yes")
def _process_mem(self):
self.cartesian_parser.assign("mem", self.options.mem)
def _process_tcpdump(self):
"""
Verify whether we can run tcpdump. If we can't, turn it off.
"""
from virttest import utils_misc
try:
tcpdump_path = utils_misc.find_command('tcpdump')
except ValueError:
tcpdump_path = None
non_root = os.getuid() != 0
if tcpdump_path is None or non_root:
self.cartesian_parser.assign("run_tcpdump", "no")
def _process_no_filter(self):
if not self.options.config:
if self.options.no_filter:
no_filter = ", ".join(self.options.no_filter.split(' '))
self.cartesian_parser.no_filter(no_filter)
def _process_only_type_specific(self):
if not self.options.config:
if self.options.only_type_specific:
self.cartesian_parser.only_filter("(subtest=type_specific)")
def _process_general_options(self):
"""
Calls for processing all generic options.
This method modifies the cartesian set by parsing additional lines.
"""
self._process_guest_os()
self._process_arch()
self._process_machine_type()
self._process_restart_vm()
self._process_restore_image_between_tests()
self._process_mem()
self._process_tcpdump()
self._process_no_filter()
self._process_qemu_img()
self._process_bridge_mode()
self._process_only_type_specific()
def _process_options(self):
"""
Process the options given in the command line.
"""
from virttest import cartesian_config, standalone_test
from virttest import data_dir
if (not self.options.type) and (not self.options.config):
_restore_stdout()
print("No type (-t) or config (-c) options specified, aborting...")
sys.exit(1)
if self.options.type:
if self.options.type not in SUPPORTED_TEST_TYPES:
_restore_stdout()
print("Invalid test type %s. Valid test types: %s. "
"Aborting..." % (self.options.type,
" ".join(SUPPORTED_TEST_TYPES)))
sys.exit(1)
if self.options.log_level not in SUPPORTED_LOG_LEVELS:
_restore_stdout()
print("Invalid log level '%s'. Valid log levels: %s. "
"Aborting..." % (self.options.log_level,
" ".join(SUPPORTED_LOG_LEVELS)))
sys.exit(1)
num_level = getattr(logging, self.options.log_level.upper(), None)
self.options.log_level = num_level
if self.options.datadir:
data_dir.set_backing_data_dir(self.options.datadir)
standalone_test.create_config_files(self.options)
self.cartesian_parser = cartesian_config.Parser(debug=False)
if self.options.config:
cfg = os.path.abspath(self.options.config)
if not self.options.config:
cfg = os.path.join(data_dir.get_root_dir(), self.options.type,
"cfg", "tests.cfg")
self.cartesian_parser.parse_file(cfg)
if self.options.type != 'lvsb':
self._process_general_options()
if self.options.type == 'qemu':
self._process_qemu_specific_options()
elif self.options.type == 'lvsb':
self._process_lvsb_specific_options()
elif self.options.type == 'openvswitch':
self._process_qemu_specific_options()
# List and tests have to be the last things to be processed
self._process_list()
self._process_tests()
def main(self):
"""
Main point of execution of the test runner.
1) Handle stdout/err according to the options given.
2) Import the autotest modules.
3) Sets the console logging for tests.
4) Runs the tests according to the options given.
"""
_handle_stdout(self.options)
try:
from virttest import standalone_test
self._process_options()
standalone_test.reset_logging()
standalone_test.configure_console_logging(
loglevel=self.options.log_level)
standalone_test.bootstrap_tests(self.options)
ok = standalone_test.run_tests(self.cartesian_parser, self.options)
except KeyboardInterrupt:
pid = os.getpid()
os.kill(pid, signal.SIGTERM)
except StopIteration:
_restore_stdout()
print("Empty config set generated ")
if self.options.type:
print("Tests chosen: '%s'" % self.options.tests)
print("Check that you typed the tests "
"names correctly, and double "
"check that tests show "
"in --list-tests for guest '%s'" %
(self.options.guest_os or DEFAULT_GUEST_OS))
sys.exit(1)
if self.options.config:
print("Please check your custom config file %s" %
self.options.config)
sys.exit(1)
except Exception:
_restore_stdout()
print("Internal error, traceback follows...")
exc_type, exc_value, exc_traceback = sys.exc_info()
tb_info = traceback.format_exception(exc_type, exc_value,
exc_traceback.tb_next)
tb_info = "".join(tb_info)
for e_line in tb_info.splitlines():
print(e_line)
sys.exit(1)
if not ok:
sys.exit(1)
if __name__ == '__main__':
app = VirtTestApp()
app.main()