def query(self):
"""Query all remote devices for data.
Args:
None
Returns:
None
"""
# Initialize key variables
config = self.config
# Check for lock and pid files
if os.path.exists(self.lockfile_parent) is True:
log_message = (
'Lock file %s exists. Multiple API daemons running '
'API may have died '
'catastrophically in the past, in which case the lockfile '
'should be deleted. '
'') % (self.lockfile_parent)
log.log2see(1083, log_message)
if os.path.exists(self.pidfile_parent) is True:
log_message = (
'PID file: %s already exists. Daemon already running? '
'If not, it may have died catastrophically in the past '
'in which case you should use --stop --force to fix.'
'') % (self.pidfile_parent)
log.log2see(1084, log_message)
######################################################################
#
# Assign options in format that the Gunicorn WSGI will accept
#
# NOTE! to get a full set of valid options pprint(self.cfg.settings)
# in the instantiation of StandaloneApplication. The option names
# do not exactly match the CLI options found at
# http://docs.gunicorn.org/en/stable/settings.html
#
######################################################################
options = {
'bind': '%s:%s' % (config.listen_address(), config.bind_port()),
'accesslog': config.web_log_file(),
'errorlog': config.web_log_file(),
'capture_output': True,
'pidfile': self.pidfile_child,
'loglevel': config.log_level(),
'workers': _number_of_workers(),
}
# Log so that user running the script from the CLI knows that something
# is happening
log_message = ('Switchmap API running on %s:%s and logging to file %s.'
'') % (config.listen_address(), config.bind_port(),
config.web_log_file())
log.log2info(1022, log_message)
# Run
StandaloneApplication(API, options).run()
def run(args):
"""Process 'test' command.
Args:
parser: Argparse parser
args: Argparse arguments
Returns:
None
"""
# Process the config
snmp_config = CONFIG_SNMP
config = CONFIG
# Show help if no arguments provided
if args.qualifier is None:
general.cli_help()
# Test a single host
if bool(args.hostname) is True:
hostname = args.hostname
test_hostname(hostname, snmp_config)
sys.exit(0)
# Test all hosts
elif bool(args.all) is True:
hosts = config.hostnames()
if isinstance(hosts, list) is True:
if len(hosts) > 0:
for host in hosts:
test_hostname(host, snmp_config)
sys.exit(0)
else:
# No hosts found
log_message = 'No hosts found in configuration'
log.log2see(1038, log_message)
else:
# No hosts found
log_message = 'No hosts found in configuration'
log.log2see(1039, log_message)
# Show help if there are no matches
general.cli_help()
def test_hostname(hostname, snmp_config):
"""Process 'test poller --hostname' commands.
Args:
args: Argparse arguments
Returns:
None
"""
# Show host information
validate = snmp_manager.Validate(hostname, snmp_config.snmp_auth())
snmp_params = validate.credentials()
if bool(snmp_params) is True:
print('OK - Valid credentials found, successfully contacted: {}'
''.format(hostname))
else:
# Error, host problems
log_message = ('Uncontactable host %s or no valid SNMP '
'credentials found for it.') % (hostname)
log.log2see(1040, log_message)