def main():
logger = effective_config = None
try:
logger, effective_config = parse_options()
# We now have the effective_config
except OptionError as e:
print(str(e), file=sys.stderr)
exit(1, status="virt-who can't be started: %s" % str(e))
lock = PIDLock(PIDFILE)
if lock.is_locked():
msg = "virt-who seems to be already running. If not, remove %s" % \
PIDFILE
print(msg, file=sys.stderr)
exit(1, status=msg)
if not effective_config[VW_GLOBAL].is_valid():
message = "Required section 'global' is invalid:\n"
message += "\n".join([
msg
for (level, msg) in effective_config[VW_GLOBAL].validation_messages
])
message += "\n"
exit(1, "virt-who can't be started: %s" % message)
valid_virt_sections = [(name, section)
for (name,
section) in effective_config.virt_sections()
if section.is_valid()]
if not valid_virt_sections:
err = "virt-who can't be started: no valid configuration found"
logger.error(err)
exit(1, err)
global executor
has_error = False
try:
executor = Executor(logger, effective_config)
except (InvalidKeyFile, InvalidPasswordFormat) as e:
logger.error(str(e))
exit(1, "virt-who can't be started: %s" % str(e))
if len(executor.dest_to_source_mapper.dests) == 0:
if has_error:
err = "virt-who can't be started: no valid destination found"
logger.error(err)
exit(1, err)
if len(effective_config[VW_GLOBAL]['configs']) > 0:
# When config file is provided using -c or --config, then other config
# files in /etc/virt-who.d are ignored. When it is not possible to read
# any configuration file, then virt-who should be terminated
cli_config_file_readable = False
for file_name in effective_config[VW_GLOBAL]['configs']:
if os.path.isfile(file_name):
cli_config_file_readable = True
if cli_config_file_readable is False:
err = 'No valid configuration file provided using -c/--config'
logger.error(err)
exit(1, "virt-who can't be started: %s" % str(err))
for name, config in executor.dest_to_source_mapper.configs:
logger.info('Using configuration "%s" ("%s" mode)', name,
config['type'])
logger.info("Using reporter_id='%s'",
effective_config[VW_GLOBAL]['reporter_id'])
log.closeLogger(logger)
with lock:
signal.signal(signal.SIGHUP, reload)
signal.signal(signal.SIGTERM, atexit_fn)
executor.logger = logger = log.getLogger(name='main', queue=True)
sd_notify("READY=1\nMAINPID=%d" % os.getpid())
while True:
try:
return _main(executor)
except ReloadRequest:
logger.info("Reloading")
continue
except ExitRequest as e:
exit(e.code, status=e.message)
def main():
logger = options = None
try:
logger, options = parseOptions()
except OptionError as e:
print >>sys.stderr, str(e)
exit(1, status="virt-who can't be started: %s" % str(e))
lock = PIDLock(PIDFILE)
if lock.is_locked():
msg = "virt-who seems to be already running. If not, remove %s" % PIDFILE
print >>sys.stderr, msg
exit(1, status=msg)
global executor
try:
executor = Executor(logger, options)
except (InvalidKeyFile, InvalidPasswordFormat) as e:
logger.error(str(e))
exit(1, "virt-who can't be started: %s" % str(e))
if options.virtType is not None:
config = Config("env/cmdline", options.virtType, executor.configManager._defaults, **options)
try:
config.checkOptions(logger)
except InvalidOption as e:
err = "virt-who can't be started: %s" % str(e)
logger.error(err)
exit(1, err)
executor.configManager.addConfig(config)
has_error = False
for conffile in options.configs:
try:
executor.configManager.readFile(conffile)
except InvalidPasswordFormat as e:
err = "virt-who can't be started: %s" % str(e)
logger.error(err)
exit(1, err)
except Exception as e:
logger.error('Config file "%s" skipped because of an error: %s', conffile, str(e))
has_error = True
if len(executor.configManager.configs) == 0:
if has_error:
err = "virt-who can't be started: no valid configuration found"
logger.error(err)
exit(1, err)
# In order to keep compatibility with older releases of virt-who,
# fallback to using libvirt as default virt backend
logger.info("No configurations found, using libvirt as backend")
executor.configManager.addConfig(Config("env/cmdline", "libvirt"))
for config in executor.configManager.configs:
if config.name is None:
logger.info('Using commandline or sysconfig configuration ("%s" mode)', config.type)
else:
logger.info('Using configuration "%s" ("%s" mode)', config.name, config.type)
logger.info("Using reporter_id='%s'", options.reporter_id)
log.closeLogger(logger)
if options.background:
locker = lambda: daemon.DaemonContext(pidfile=lock) # flake8: noqa
else:
locker = lambda: lock # flake8: noqa
with locker():
signal.signal(signal.SIGHUP, reload)
signal.signal(signal.SIGTERM, atexit_fn)
executor.logger = logger = log.getLogger(name='main', config=None, queue=True)
sd_notify("READY=1\nMAINPID=%d" % os.getpid())
while True:
try:
return _main(executor)
except ReloadRequest:
logger.info("Reloading")
continue
def main():
logger = effective_config = None
try:
logger, effective_config = parse_options()
# We now have the effective_config
except OptionError as e:
print(str(e), file=sys.stderr)
exit(1, status="virt-who can't be started: %s" % str(e))
lock = PIDLock(PIDFILE)
if lock.is_locked():
msg = "virt-who seems to be already running. If not, remove %s" % \
PIDFILE
print(msg, file=sys.stderr)
exit(1, status=msg)
if not effective_config[VW_GLOBAL].is_valid():
message = "Required section 'global' is invalid:\n"
message += "\n".join([msg for (level, msg) in effective_config[VW_GLOBAL].validation_messages])
message += "\n"
exit(1, "virt-who can't be started: %s" % message)
valid_virt_sections = [(name, section) for (name, section) in effective_config.virt_sections()
if section.is_valid()]
if not valid_virt_sections:
err = "virt-who can't be started: no valid configuration found"
logger.error(err)
exit(1, err)
global executor
has_error = False
try:
executor = Executor(logger, effective_config)
except (InvalidKeyFile, InvalidPasswordFormat) as e:
logger.error(str(e))
exit(1, "virt-who can't be started: %s" % str(e))
if len(executor.dest_to_source_mapper.dests) == 0:
if has_error:
err = "virt-who can't be started: no valid destination found"
logger.error(err)
exit(1, err)
for name, config in executor.dest_to_source_mapper.configs:
logger.info('Using configuration "%s" ("%s" mode)', name,
config['type'])
logger.info("Using reporter_id='%s'", effective_config[VW_GLOBAL]['reporter_id'])
log.closeLogger(logger)
with lock:
signal.signal(signal.SIGHUP, reload)
signal.signal(signal.SIGTERM, atexit_fn)
executor.logger = logger = log.getLogger(name='main', queue=True)
sd_notify("READY=1\nMAINPID=%d" % os.getpid())
while True:
try:
return _main(executor)
except ReloadRequest:
logger.info("Reloading")
continue
except ExitRequest as e:
exit(e.code, status=e.message)
def main():
logger = options = None
try:
logger, options = parse_options()
# We now have the effective_config
except OptionError as e:
print(str(e), file=sys.stderr)
exit(1, status="virt-who can't be started: %s" % str(e))
lock = PIDLock(PIDFILE)
if lock.is_locked():
msg = "virt-who seems to be already running. If not, remove %s" % \
PIDFILE
print(msg, file=sys.stderr)
exit(1, status=msg)
if not options[VW_GLOBAL].is_valid():
message = "Required section 'global' is invalid:\n"
message += "\n".join([msg for (level, msg) in options[VW_GLOBAL].validation_messages])
message += "\n"
exit(1, "virt-who can't be started: %s" % message)
valid_virt_sections = [(name, section) for (name, section) in options.virt_sections()
if section.is_valid()]
if not valid_virt_sections:
err = "virt-who can't be started: no valid configuration found"
logger.error(err)
exit(1, err)
global executor
has_error = False
try:
executor = Executor(logger, options)
except (InvalidKeyFile, InvalidPasswordFormat) as e:
logger.error(str(e))
exit(1, "virt-who can't be started: %s" % str(e))
if len(executor.dest_to_source_mapper.dests) == 0:
if has_error:
err = "virt-who can't be started: no valid destination found"
logger.error(err)
exit(1, err)
for name, config in executor.dest_to_source_mapper.configs:
logger.info('Using configuration "%s" ("%s" mode)', name,
config['type'])
logger.info("Using reporter_id='%s'", options[VW_GLOBAL]['reporter_id'])
log.closeLogger(logger)
with lock:
signal.signal(signal.SIGHUP, reload)
signal.signal(signal.SIGTERM, atexit_fn)
executor.logger = logger = log.getLogger(name='main', queue=True)
sd_notify("READY=1\nMAINPID=%d" % os.getpid())
while True:
try:
return _main(executor)
except ReloadRequest:
logger.info("Reloading")
continue
except ExitRequest as e:
exit(e.code, status=e.message)