def login(self):
"""Logon to the server."""
if self.args.snmp_force:
# Force SNMP instead of Glances server
self.client_mode = 'snmp'
else:
# First of all, trying to connect to a Glances server
if not self._login_glances():
return False
# Try SNMP mode
if self.client_mode == 'snmp':
if not self._login_snmp():
return False
# Load limits from the configuration file
# Each client can choose its owns limits
logger.debug("Load limits from the client configuration file")
self.stats.load_limits(self.config)
# Init screen
if self.quiet:
# In quiet mode, nothing is displayed
logger.info("Quiet mode is ON: Nothing will be displayed")
else:
self.screen = GlancesCursesClient(config=self.config, args=self.args)
# Return True: OK
return True
def login(self):
"""Logon to the server."""
ret = True
if not self.args.snmp_force:
# First of all, trying to connect to a Glances server
self.set_mode('glances')
client_version = None
try:
client_version = self.client.init()
except socket.error as err:
# Fallback to SNMP
logger.error("Connection to Glances server failed (%s)" % err)
self.set_mode('snmp')
fallbackmsg = _("Trying fallback to SNMP...")
if not self.return_to_browser:
print(fallbackmsg)
else:
logger.info(fallbackmsg)
except ProtocolError as err:
# Others errors
if str(err).find(" 401 ") > 0:
msg = "Connection to server failed (bad password)"
else:
msg = "Connection to server failed ({0})".format(err)
self.log_and_exit(msg)
return False
if self.get_mode() == 'glances' and version.split(
'.')[0] == client_version.split('.')[0]:
# Init stats
self.stats = GlancesStatsClient()
self.stats.set_plugins(json.loads(self.client.getAllPlugins()))
logger.debug("Client version: %s / Server version: %s" %
(version, client_version))
elif self.get_mode() == 'glances':
self.log_and_exit(
"Client and server not compatible: Client version: %s / Server version: %s"
% (version, client_version))
return False
else:
self.set_mode('snmp')
if self.get_mode() == 'snmp':
logger.info("Trying to grab stats by SNMP...")
# Fallback to SNMP if needed
from glances.core.glances_stats import GlancesStatsClientSNMP
# Init stats
self.stats = GlancesStatsClientSNMP(args=self.args)
if not self.stats.check_snmp():
self.log_and_exit("Connection to SNMP server failed")
return False
if ret:
# Load limits from the configuration file
# Each client can choose its owns limits
self.stats.load_limits(self.config)
# Init screen
self.screen = GlancesCursesClient(args=self.args)
# Return result
return ret
def login(self):
"""Logon to the server."""
ret = True
if not self.args.snmp_force:
# First of all, trying to connect to a Glances server
client_version = None
try:
client_version = self.client.init()
except socket.error as err:
# Fallback to SNMP
self.client_mode = 'snmp'
logger.error(
"Connection to Glances server failed ({0} {1})".format(
err.errno, err.strerror))
fallbackmsg = 'No Glances server found. Trying fallback to SNMP...'
if not self.return_to_browser:
print(fallbackmsg)
else:
logger.info(fallbackmsg)
except ProtocolError as err:
# Other errors
msg = "Connection to server failed"
if err.errcode == 401:
msg += " (Bad username/password)"
else:
msg += " ({0} {1})".format(err.errcode, err.errmsg)
self.log_and_exit(msg)
return False
if self.client_mode == 'glances':
# Check that both client and server are in the same major version
if __version__.split('.')[0] == client_version.split('.')[0]:
# Init stats
self.stats = GlancesStatsClient(config=self.config,
args=self.args)
self.stats.set_plugins(
json.loads(self.client.getAllPlugins()))
logger.debug(
"Client version: {0} / Server version: {1}".format(
__version__, client_version))
else:
self.log_and_exit("Client and server not compatible: \
Client version: {0} / Server version: {1}"
.format(version, client_version))
return False
else:
self.client_mode = 'snmp'
# SNMP mode
if self.client_mode == 'snmp':
logger.info("Trying to grab stats by SNMP...")
from glances.stats_client_snmp import GlancesStatsClientSNMP
# Init stats
self.stats = GlancesStatsClientSNMP(config=self.config,
args=self.args)
if not self.stats.check_snmp():
self.log_and_exit("Connection to SNMP server failed")
return False
if ret:
# Load limits from the configuration file
# Each client can choose its owns limits
self.stats.load_limits(self.config)
# Init screen
self.screen = GlancesCursesClient(args=self.args)
# Return result
return ret
