def check_snmp(self):
"""Chek if SNMP is available on the server."""
# Import the SNMP client class
from glances.core.glances_snmp import GlancesSNMPClient
# Create an instance of the SNMP client
clientsnmp = GlancesSNMPClient(host=self.args.client,
port=self.args.snmp_port,
version=self.args.snmp_version,
community=self.args.snmp_community,
user=self.args.snmp_user,
auth=self.args.snmp_auth)
# If we cannot grab the hostname, then exit...
ret = clientsnmp.get_by_oid("1.3.6.1.2.1.1.5.0") != {}
if ret:
# Get the OS name (need to grab the good OID...)
oid_os_name = clientsnmp.get_by_oid("1.3.6.1.2.1.1.1.0")
try:
self.system_name = self.get_system_name(oid_os_name['1.3.6.1.2.1.1.1.0'])
logger.info("SNMP system name detected: {0}".format(self.system_name))
except KeyError:
self.system_name = None
logger.warning("Cannot detect SNMP system name")
return ret
def __init__(self, config=None, args=None):
# Init stats
self.stats = GlancesStats(config=config, args=args)
# Default number of processes to displayed is set to 50
glances_processes.set_max_processes(50)
# If process extended stats is disabled by user
if not args.enable_process_extended:
logger.info("Extended stats for top process are disabled (default behavior)")
glances_processes.disable_extended()
else:
logger.debug("Extended stats for top process are enabled")
glances_processes.enable_extended()
# Manage optionnal process filter
if args.process_filter is not None:
glances_processes.set_process_filter(args.process_filter)
if (not is_windows) and args.no_kernel_threads:
# Ignore kernel threads in process list
glances_processes.disable_kernel_threads()
if args.process_tree:
# Enable process tree view
glances_processes.enable_tree()
# Initial system informations update
self.stats.update()
# Init screen
self.screen = GlancesCursesStandalone(args=args)
def __init__(self, requestHandler=GlancesXMLRPCHandler,
cached_time=1,
config=None,
args=None):
# Args
self.args = args
# Init the XML RPC server
try:
self.server = GlancesXMLRPCServer(args.bind_address, args.port, requestHandler)
except Exception as e:
logger.critical("Cannot start Glances server: {0}".format(e))
sys.exit(2)
# The users dict
# username / password couple
# By default, no auth is needed
self.server.user_dict = {}
self.server.isAuth = False
# Register functions
self.server.register_introspection_functions()
self.server.register_instance(GlancesInstance(cached_time, config))
if not self.args.disable_autodiscover:
# Note: The Zeroconf service name will be based on the hostname
self.autodiscover_client = GlancesAutoDiscoverClient(socket.gethostname(), args)
else:
logger.info("Glances autodiscover announce is disabled")
def init(self):
"""Init the connection to the InfluxDB server."""
if not self.export_enable:
return None
try:
db = InfluxDBClient(host=self.host,
port=self.port,
username=self.user,
password=self.password,
database=self.db)
get_all_db = [i['name'] for i in db.get_list_database()]
except InfluxDBClientError:
# https://github.com/influxdb/influxdb-python/issues/138
logger.info("Trying fallback to InfluxDB v0.8")
db = InfluxDBClient08(host=self.host,
port=self.port,
username=self.user,
password=self.password,
database=self.db)
get_all_db = [i['name'] for i in db.get_list_database()]
except InfluxDBClientError08 as e:
logger.critical("Cannot connect to InfluxDB database '%s' (%s)" % (self.db, e))
sys.exit(2)
if self.db in get_all_db:
logger.info(
"Stats will be exported to InfluxDB server: {0}".format(db._baseurl))
else:
logger.critical("InfluxDB database '%s' did not exist. Please create it" % self.db)
sys.exit(2)
return db
def __init__(self, hostname, args=None):
if zeroconf_tag:
zeroconf_bind_address = args.bind_address
try:
self.zeroconf = Zeroconf()
except socket.error as e:
logger.error("Cannot start zeroconf: {0}".format(e))
if netifaces_tag:
# -B @ overwrite the dynamic IPv4 choice
if zeroconf_bind_address == '0.0.0.0':
zeroconf_bind_address = self.find_active_ip_address()
else:
logger.error("Couldn't find the active IP address: netifaces library not found.")
logger.info("Announce the Glances server on the LAN (using {0} IP address)".format(zeroconf_bind_address))
print("Announce the Glances server on the LAN (using {0} IP address)".format(zeroconf_bind_address))
self.info = ServiceInfo(
zeroconf_type, '{0}:{1}.{2}'.format(hostname, args.port, zeroconf_type),
address=socket.inet_aton(zeroconf_bind_address), port=args.port,
weight=0, priority=0, properties={}, server=hostname)
self.zeroconf.register_service(self.info)
else:
logger.error("Cannot announce Glances server on the network: zeroconf library not found.")
def __init__(self,
requestHandler=GlancesXMLRPCHandler,
cached_time=1,
config=None,
args=None):
# Args
self.args = args
# Init the XML RPC server
try:
self.server = GlancesXMLRPCServer(args.bind_address, args.port,
requestHandler)
except Exception as e:
logger.critical("Cannot start Glances server: {0}".format(e))
sys.exit(2)
# The users dict
# username / password couple
# By default, no auth is needed
self.server.user_dict = {}
self.server.isAuth = False
# Register functions
self.server.register_introspection_functions()
self.server.register_instance(GlancesInstance(cached_time, config))
if not self.args.disable_autodiscover:
# Note: The Zeroconf service name will be based on the hostname
self.autodiscover_client = GlancesAutoDiscoverClient(
socket.gethostname(), args)
else:
logger.info("Glances autodiscover announce is disabled")
def check_snmp(self):
"""Chek if SNMP is available on the server."""
# Import the SNMP client class
from glances.core.glances_snmp import GlancesSNMPClient
# Create an instance of the SNMP client
clientsnmp = GlancesSNMPClient(host=self.args.client,
port=self.args.snmp_port,
version=self.args.snmp_version,
community=self.args.snmp_community,
user=self.args.snmp_user,
auth=self.args.snmp_auth)
# If we cannot grab the hostname, then exit...
ret = clientsnmp.get_by_oid("1.3.6.1.2.1.1.5.0") != {}
if ret:
# Get the OS name (need to grab the good OID...)
oid_os_name = clientsnmp.get_by_oid("1.3.6.1.2.1.1.1.0")
try:
self.system_name = self.get_system_name(oid_os_name['1.3.6.1.2.1.1.1.0'])
logger.info("SNMP system name detected: {0}".format(self.system_name))
except KeyError:
self.system_name = None
logger.warning("Cannot detect SNMP system name")
return ret
def __init__(self, config=None, args=None):
# Init stats
self.stats = GlancesStats(config=config, args=args)
# Default number of processes to displayed is set to 50
glances_processes.set_max_processes(50)
# If process extended stats is disabled by user
if not args.enable_process_extended:
logger.info(
"Extended stats for top process are disabled (default behavior)"
)
glances_processes.disable_extended()
else:
logger.debug("Extended stats for top process are enabled")
glances_processes.enable_extended()
# Manage optionnal process filter
if args.process_filter is not None:
glances_processes.set_process_filter(args.process_filter)
if (not is_windows) and args.no_kernel_threads:
# Ignore kernel threads in process list
glances_processes.disable_kernel_threads()
if args.process_tree:
# Enable process tree view
glances_processes.enable_tree()
# Initial system informations update
self.stats.update()
# Init screen
self.screen = GlancesCursesStandalone(args=args)
def load(self, config):
"""Load the server list from the configuration file"""
server_list = []
if config is None:
logger.warning(
"No configuration file available. Cannot load server list.")
elif not config.has_section(self._section):
logger.warning(
"No [%s] section in the configuration file. Cannot load server list."
% self._section)
else:
logger.info(
"Start reading the [%s] section in the configuration file" %
self._section)
for i in range(1, 256):
new_server = {}
postfix = 'server_%s_' % str(i)
# Read the server name (mandatory)
for s in ['name', 'port', 'alias']:
new_server[s] = config.get_raw_option(
self._section, '%s%s' % (postfix, s))
if new_server['name'] is not None:
# Manage optionnal information
if new_server['port'] is None:
new_server['port'] = 61209
new_server['username'] = '******'
new_server['password'] = ''
try:
new_server['ip'] = gethostbyname(new_server['name'])
except gaierror as e:
logger.error(
"Cannot get IP address for server %s (%s)" %
(new_server['name'], e))
continue
new_server[
'key'] = new_server['name'] + ':' + new_server['port']
# Default status is 'UNKNOWN'
new_server['status'] = 'UNKNOWN'
# Server type is 'STATIC'
new_server['type'] = 'STATIC'
# Add the server to the list
logger.debug("Add server %s to the static list" %
new_server['name'])
server_list.append(new_server)
# Server list loaded
logger.info("%s server(s) loaded from the configuration file" %
len(server_list))
logger.debug("Static server list: %s" % server_list)
return server_list
def parse_tags(self):
""" Parses some tags into a dict"""
if self.tags:
try:
self.tags = dict([x.split(':') for x in self.tags.split(',')])
except ValueError:
# one of the keyvalue pairs was missing
logger.info('invalid tags passed: %s', self.tags)
self.tags = {}
else:
self.tags = {}
def parse_tags(self):
""" Parses some tags into a dict"""
if self.tags:
try:
self.tags = dict([x.split(':') for x in self.tags.split(',')])
except ValueError:
# one of the keyvalue pairs was missing
logger.info('invalid tags passed: %s', self.tags)
self.tags = {}
else:
self.tags = {}
def get_password(self, description='', confirm=False, clear=False):
"""Get the password from a Glances client or server.
For Glances server, get the password (confirm=True, clear=False):
1) from the password file (if it exists)
2) from the CLI
Optionally: save the password to a file (hashed with salt + SHA-256)
For Glances client, get the password (confirm=False, clear=True):
1) from the CLI
2) the password is hashed with SHA-256 (only SHA string transit
through the network)
"""
if os.path.exists(self.password_filepath) and not clear:
# If the password file exist then use it
logger.info("Read password from file {0}".format(
self.password_filepath))
password = self.load_password()
else:
# Else enter the password from the command line
if description != '':
print(description)
# password_plain is the plain SHA-256 password
# password_hashed is the salt + SHA-256 password
password_sha = hashlib.sha256(
getpass.getpass(_("Password: "******"Password (confirm): ")).encode(
'utf-8')).hexdigest()
if not self.check_password(password_hashed, password_confirm):
logger.critical("Sorry, passwords do not match. Exit.")
sys.exit(1)
# Return the plain or hashed password
if clear:
password = password_sha
else:
password = password_hashed
# Save the hashed password to the password file
if not clear:
save_input = input(
_("Do you want to save the password? [Yes/No]: "))
if len(save_input) > 0 and save_input[0].upper() == _('Y'):
self.save_password(password_hashed)
return password
def start(self, stats):
"""Start the bottle."""
# Init stats
self.stats = stats
# Init plugin list
self.plugins_list = self.stats.getAllPlugins()
# Bind the Bottle TCP address/port
bindmsg = 'Glances web server started on http://{0}:{1}/'.format(self.args.bind_address, self.args.port)
logger.info(bindmsg)
print(bindmsg)
self._app.run(host=self.args.bind_address, port=self.args.port, quiet=not self.args.debug)
def process_filter(self, value):
"""Set the process filter."""
logger.info("Set process filter to {0}".format(value))
self._process_filter = value
if value is not None:
try:
self._process_filter_re = re.compile(value)
logger.debug("Process filter regex compilation OK: {0}".format(self.process_filter))
except Exception:
logger.error("Cannot compile process filter regex: {0}".format(value))
self._process_filter_re = None
else:
self._process_filter_re = None
def process_filter(self, value):
"""Set the process filter."""
logger.info("Set process filter to {0}".format(value))
self._process_filter = value
if value is not None:
try:
self._process_filter_re = re.compile(value)
logger.debug("Process filter regex compilation OK: {0}".format(
self.process_filter))
except Exception:
logger.error(
"Cannot compile process filter regex: {0}".format(value))
self._process_filter_re = None
else:
self._process_filter_re = None
def __init__(self, args=None):
# CSV file name
self.csv_filename = args.output_csv
# Set the CSV output file
try:
if is_py3:
self.csv_file = open(self.csv_filename, 'w', newline='')
else:
self.csv_file = open(self.csv_filename, 'wb')
self.writer = csv.writer(self.csv_file)
except IOError as e:
logger.critical("Cannot create the CSV file: {0}".format(e))
sys.exit(2)
logger.info("Stats dumped to CSV file: {0}".format(self.csv_filename))
def load(self):
"""Load a config file from the list of paths, if it exists."""
for config_file in self.get_config_paths():
if os.path.isfile(config_file) and os.path.getsize(config_file) > 0:
try:
if is_py3:
self.parser.read(config_file, encoding='utf-8')
else:
self.parser.read(config_file)
logger.info("Read configuration file '{0}'".format(config_file))
except UnicodeDecodeError as e:
logger.error("Cannot decode configuration file '{0}': {1}".format(config_file, e))
sys.exit(1)
# Save the loaded configuration file path (issue #374)
self._loaded_config_file = config_file
break
def __init__(self, args=None):
if zeroconf_tag:
logger.info("Init autodiscover mode (Zeroconf protocol)")
try:
self.zeroconf = Zeroconf()
except socket.error as e:
logger.error("Cannot start Zeroconf (%s)" % e)
self.zeroconf_enable_tag = False
else:
self.listener = GlancesAutoDiscoverListener()
self.browser = ServiceBrowser(
self.zeroconf, zeroconf_type, self.listener)
self.zeroconf_enable_tag = True
else:
logger.error("Cannot start autodiscover mode (Zeroconf lib is not installed)")
self.zeroconf_enable_tag = False
def __init__(self, args=None):
if zeroconf_tag:
logger.info("Init autodiscover mode (Zeroconf protocol)")
try:
self.zeroconf = Zeroconf()
except socket.error as e:
logger.error("Cannot start Zeroconf (%s)" % e)
self.zeroconf_enable_tag = False
else:
self.listener = GlancesAutoDiscoverListener()
self.browser = ServiceBrowser(
self.zeroconf, zeroconf_type, self.listener)
self.zeroconf_enable_tag = True
else:
logger.error("Cannot start autodiscover mode (Zeroconf lib is not installed)")
self.zeroconf_enable_tag = False
def start(self, stats):
"""Start the bottle."""
# Init stats
self.stats = stats
# Init plugin list
self.plugins_list = self.stats.getAllPlugins()
# Bind the Bottle TCP address/port
bindmsg = _("Glances web server started on http://{0}:{1}/").format(
self.args.bind_address, self.args.port)
logger.info(bindmsg)
print(bindmsg)
self._app.run(host=self.args.bind_address,
port=self.args.port,
quiet=not self.args.debug)
def get_password(self, description='', confirm=False, clear=False):
"""Get the password from a Glances client or server.
For Glances server, get the password (confirm=True, clear=False):
1) from the password file (if it exists)
2) from the CLI
Optionally: save the password to a file (hashed with salt + SHA-256)
For Glances client, get the password (confirm=False, clear=True):
1) from the CLI
2) the password is hashed with SHA-256 (only SHA string transit
through the network)
"""
if os.path.exists(self.password_filepath) and not clear:
# If the password file exist then use it
logger.info("Read password from file {0}".format(self.password_filepath))
password = self.load_password()
else:
# Else enter the password from the command line
if description != '':
print(description)
# password_sha256 is the plain SHA-256 password
# password_hashed is the salt + SHA-256 password
password_sha256 = self.sha256_hash(getpass.getpass('Password: '******'Password (confirm): '))
if not self.check_password(password_hashed, password_confirm):
logger.critical("Sorry, passwords do not match. Exit.")
sys.exit(1)
# Return the plain SHA-256 or the salted password
if clear:
password = password_sha256
else:
password = password_hashed
# Save the hashed password to the password file
if not clear:
save_input = input('Do you want to save the password? [Yes/No]: ')
if len(save_input) > 0 and save_input[0].upper() == 'Y':
self.save_password(password_hashed)
return password
def load(self, config):
"""Load the server list from the configuration file"""
server_list = []
if config is None:
logger.warning("No configuration file available. Cannot load server list.")
elif not config.has_section(self._section):
logger.warning("No [%s] section in the configuration file. Cannot load server list." % self._section)
else:
logger.info("Start reading the [%s] section in the configuration file" % self._section)
for i in range(1, 256):
new_server = {}
postfix = 'server_%s_' % str(i)
# Read the server name (mandatory)
for s in ['name', 'port', 'alias']:
new_server[s] = config.get_raw_option(self._section, '%s%s' % (postfix, s))
if new_server['name'] is not None:
# Manage optionnal information
if new_server['port'] is None:
new_server['port'] = 61209
new_server['username'] = '******'
new_server['password'] = ''
try:
new_server['ip'] = gethostbyname(new_server['name'])
except gaierror as e:
logger.error("Cannot get IP address for server %s (%s)" % (new_server['name'], e))
continue
new_server['key'] = new_server['name'] + ':' + new_server['port']
# Default status is 'UNKNOWN'
new_server['status'] = 'UNKNOWN'
# Server type is 'STATIC'
new_server['type'] = 'STATIC'
# Add the server to the list
logger.debug("Add server %s to the static list" % new_server['name'])
server_list.append(new_server)
# Server list loaded
logger.info("%s server(s) loaded from the configuration file" % len(server_list))
logger.debug("Static server list: %s" % server_list)
return server_list
def load(self, config):
"""Load the password from the configuration file."""
password_dict = []
if config is None:
logger.warning("No configuration file available. Cannot load password list.")
elif not config.has_section(self._section):
logger.warning("No [%s] section in the configuration file. Cannot load password list." % self._section)
else:
logger.info("Start reading the [%s] section in the configuration file" % self._section)
password_dict = dict(config.items(self._section))
# Password list loaded
logger.info("%s password(s) loaded from the configuration file" % len(password_dict))
logger.debug("Password dictionary: %s" % password_dict)
return password_dict
def __init__(self, config=None, args=None):
# Quiet mode
self._quiet = args.quiet
self.refresh_time = args.time
# Init stats
self.stats = GlancesStats(config=config, args=args)
# If process extended stats is disabled by user
if not args.enable_process_extended:
logger.debug("Extended stats for top process are disabled")
glances_processes.disable_extended()
else:
logger.debug("Extended stats for top process are enabled")
glances_processes.enable_extended()
# Manage optionnal process filter
if args.process_filter is not None:
glances_processes.process_filter = args.process_filter
if (not is_windows) and args.no_kernel_threads:
# Ignore kernel threads in process list
glances_processes.disable_kernel_threads()
try:
if args.process_tree:
# Enable process tree view
glances_processes.enable_tree()
except AttributeError:
pass
# Initial system informations update
self.stats.update()
if self.quiet:
logger.info("Quiet mode is ON: Nothing will be displayed")
# In quiet mode, nothing is displayed
glances_processes.max_processes = 0
else:
# Default number of processes to displayed is set to 50
glances_processes.max_processes = 50
# Init screen
self.screen = GlancesCursesStandalone(args=args)
def __init__(self, config=None, args=None):
# Quiet mode
self._quiet = args.quiet
self.refresh_time = args.time
# Init stats
self.stats = GlancesStats(config=config, args=args)
# If process extended stats is disabled by user
if not args.enable_process_extended:
logger.debug("Extended stats for top process are disabled")
glances_processes.disable_extended()
else:
logger.debug("Extended stats for top process are enabled")
glances_processes.enable_extended()
# Manage optionnal process filter
if args.process_filter is not None:
glances_processes.process_filter = args.process_filter
if (not is_windows) and args.no_kernel_threads:
# Ignore kernel threads in process list
glances_processes.disable_kernel_threads()
try:
if args.process_tree:
# Enable process tree view
glances_processes.enable_tree()
except AttributeError:
pass
# Initial system informations update
self.stats.update()
if self.quiet:
logger.info("Quiet mode is ON: Nothing will be displayed")
# In quiet mode, nothing is displayed
glances_processes.max_processes = 0
else:
# Default number of processes to displayed is set to 50
glances_processes.max_processes = 50
# Init screen
self.screen = GlancesCursesStandalone(args=args)
def add_service(self, zeroconf, srv_type, srv_name):
"""Method called when a new Zeroconf client is detected
Return True if the zeroconf client is a Glances server
Note: the return code will never be used
"""
if srv_type != zeroconf_type:
return False
logger.debug("Check new Zeroconf server: %s / %s" %
(srv_type, srv_name))
info = zeroconf.get_service_info(srv_type, srv_name)
if info:
new_server_ip = socket.inet_ntoa(info.address)
new_server_port = info.port
# Add server to the global dict
self.servers.add_server(srv_name, new_server_ip, new_server_port)
logger.info("New Glances server detected (%s from %s:%s)" %
(srv_name, new_server_ip, new_server_port))
else:
logger.warning(
"New Glances server detected, but Zeroconf info failed to be grabbed")
return True
def init(self):
"""Init the connection to the InfluxDB server"""
if not self.export_enable:
return None
db = InfluxDBClient(self.influxdb_host,
self.influxdb_port,
self.influxdb_user,
self.influxdb_password,
self.influxdb_db)
try:
get_all_db = db.get_database_list()[0].values()
except client.InfluxDBClientError as e:
logger.critical("Can not connect to InfluxDB database '%s' (%s)" % (self.influxdb_db, e))
sys.exit(2)
if self.influxdb_db in get_all_db:
logger.info(
"Stats will be exported to InfluxDB server: {0}".format(db._baseurl))
else:
logger.critical("InfluxDB database '%s' did not exist. Please create it" % self.influxdb_db)
sys.exit(2)
return db
def __init__(self, config=None, args=None):
"""Init the CSV export IF."""
GlancesExport.__init__(self, config=config, args=args)
# CSV file name
self.csv_filename = args.export_csv
# Set the CSV output file
try:
if is_py3:
self.csv_file = open(self.csv_filename, 'w', newline='')
else:
self.csv_file = open(self.csv_filename, 'wb')
self.writer = csv.writer(self.csv_file)
except IOError as e:
logger.critical("Cannot create the CSV file: {0}".format(e))
sys.exit(2)
logger.info("Stats exported to CSV file: {0}".format(self.csv_filename))
self.export_enable = True
self.first_line = True
def __catch_key(self, servers_list):
# Catch the browser pressed key
self.pressedkey = self.get_key(self.term_window)
# Actions...
if self.pressedkey == ord('\x1b') or self.pressedkey == ord('q'):
# 'ESC'|'q' > Quit
self.end()
logger.info("Stop Glances client browser")
sys.exit(0)
elif self.pressedkey == 10:
# 'ENTER' > Run Glances on the selected server
logger.debug("Server number {0} selected".format(self.cursor + 1))
self.active_server = self.cursor
elif self.pressedkey == 259:
# 'UP' > Up in the server list
self.cursor_up(servers_list)
elif self.pressedkey == 258:
# 'DOWN' > Down in the server list
self.cursor_down(servers_list)
# Return the key code
return self.pressedkey
def __catch_key(self, servers_list):
# Catch the browser pressed key
self.pressedkey = self.get_key(self.term_window)
# Actions...
if self.pressedkey == ord("\x1b") or self.pressedkey == ord("q"):
# 'ESC'|'q' > Quit
self.end()
logger.info("Stop Glances client browser")
sys.exit(0)
elif self.pressedkey == 10:
# 'ENTER' > Run Glances on the selected server
logger.debug("Server number {0} selected".format(self.cursor + 1))
self.active_server = self.cursor
elif self.pressedkey == 259:
# 'UP' > Up in the server list
self.cursor_up(servers_list)
elif self.pressedkey == 258:
# 'DOWN' > Down in the server list
self.cursor_down(servers_list)
# Return the key code
return self.pressedkey
def run(self, stat_name, criticity, commands, mustache_dict=None):
"""Run the commands (in background).
- stats_name: plugin_name (+ header)
- criticity: criticity of the trigger
- commands: a list of command line with optional {{mustache}}
- mustache_dict: Plugin stats (can be use within {{mustache}})
Return True if the commands have been ran.
"""
if self.get(stat_name) == criticity:
# Action already executed => Exit
return False
logger.debug("Run action {0} for {1} ({2}) with stats {3}".format(
commands, stat_name, criticity, mustache_dict))
# Run all actions in background
for cmd in commands:
# Replace {{arg}} by the dict one (Thk to {Mustache})
if pystache_tag:
cmd_full = pystache.render(cmd, mustache_dict)
else:
cmd_full = cmd
# Execute the action
logger.info("Action triggered for {0} ({1}): {2}".format(
stat_name, criticity, cmd_full))
logger.debug(
"Stats value for the trigger: {0}".format(mustache_dict))
try:
Popen(cmd_full, shell=True)
except OSError as e:
logger.error("Can't execute the action ({0})".format(e))
self.set(stat_name, criticity)
return True
def run(self, stat_name, criticity, commands, mustache_dict=None):
"""Run the commands (in background).
- stats_name: plugin_name (+ header)
- criticity: criticity of the trigger
- commands: a list of command line with optional {{mustache}}
- mustache_dict: Plugin stats (can be use within {{mustache}})
Return True if the commands have been ran.
"""
if self.get(stat_name) == criticity:
# Action already executed => Exit
return False
logger.debug("Run action {0} for {1} ({2}) with stats {3}".format(commands,
stat_name,
criticity,
mustache_dict))
# Run all actions in background
for cmd in commands:
# Replace {{arg}} by the dict one (Thk to {Mustache})
if pystache_tag:
cmd_full = pystache.render(cmd, mustache_dict)
else:
cmd_full = cmd
# Execute the action
logger.info("Action triggered for {0} ({1}): {2}".format(stat_name, criticity, cmd_full))
logger.debug("Stats value for the trigger: {0}".format(mustache_dict))
try:
Popen(cmd_full, shell=True)
except OSError as e:
logger.error("Can't execute the action ({0})".format(e))
self.set(stat_name, criticity)
return True
def __init__(self, config=None, args=None):
"""Init the CSV export IF."""
GlancesExport.__init__(self, config=config, args=args)
# CSV file name
self.csv_filename = args.export_csv
# Set the CSV output file
try:
if is_py3:
self.csv_file = open(self.csv_filename, 'w', newline='')
else:
self.csv_file = open(self.csv_filename, 'wb')
self.writer = csv.writer(self.csv_file)
except IOError as e:
logger.critical("Cannot create the CSV file: {0}".format(e))
sys.exit(2)
logger.info("Stats exported to CSV file: {0}".format(
self.csv_filename))
self.export_enable = True
self.first_line = True
def load(self, config):
"""Load the password from the configuration file."""
password_dict = []
if config is None:
logger.warning(
"No configuration file available. Cannot load password list.")
elif not config.has_section(self._section):
logger.warning(
"No [%s] section in the configuration file. Cannot load password list."
% self._section)
else:
logger.info(
"Start reading the [%s] section in the configuration file" %
self._section)
password_dict = dict(config.items(self._section))
# Password list loaded
logger.info("%s password(s) loaded from the configuration file" %
len(password_dict))
logger.debug("Password dictionary: %s" % password_dict)
return password_dict
def end():
"""Stop Glances."""
if core.is_standalone():
# Stop the standalone (CLI)
standalone.end()
logger.info("Stop Glances (with CTRL-C)")
elif core.is_client():
# Stop the client
client.end()
logger.info("Stop Glances client (with CTRL-C)")
elif core.is_server():
# Stop the server
server.end()
logger.info("Stop Glances server (with CTRL-C)")
elif core.is_webserver():
# Stop the Web server
webserver.end()
logger.info("Stop Glances web server(with CTRL-C)")
# The end...
sys.exit(0)
def end():
"""Stop Glances."""
if core.is_standalone():
# Stop the standalone (CLI)
standalone.end()
logger.info("Stop Glances (with CTRL-C)")
elif core.is_client():
# Stop the client
client.end()
logger.info("Stop Glances client (with CTRL-C)")
elif core.is_server():
# Stop the server
server.end()
logger.info("Stop Glances server (with CTRL-C)")
elif core.is_webserver():
# Stop the Web server
webserver.end()
logger.info("Stop Glances web server(with CTRL-C)")
# The end...
sys.exit(0)
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}".format(err))
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:
# 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.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.core.glances_stats 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
def __init__(self, args=None):
# Init args
self.args = args
# Init windows positions
self.term_w = 80
self.term_h = 24
# Space between stats
self.space_between_column = 3
self.space_between_line = 2
# Init the curses screen
self.screen = curses.initscr()
if not self.screen:
logger.critical("Cannot init the curses library.\n")
sys.exit(1)
# Set curses options
if hasattr(curses, 'start_color'):
curses.start_color()
if hasattr(curses, 'use_default_colors'):
curses.use_default_colors()
if hasattr(curses, 'noecho'):
curses.noecho()
if hasattr(curses, 'cbreak'):
curses.cbreak()
self.set_cursor(0)
# Init colors
self.hascolors = False
if curses.has_colors() and curses.COLOR_PAIRS > 8:
self.hascolors = True
# FG color, BG color
if args.theme_white:
curses.init_pair(1, curses.COLOR_BLACK, -1)
else:
curses.init_pair(1, curses.COLOR_WHITE, -1)
curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_RED)
curses.init_pair(3, curses.COLOR_WHITE, curses.COLOR_GREEN)
curses.init_pair(4, curses.COLOR_WHITE, curses.COLOR_BLUE)
curses.init_pair(5, curses.COLOR_WHITE, curses.COLOR_MAGENTA)
curses.init_pair(6, curses.COLOR_RED, -1)
curses.init_pair(7, curses.COLOR_GREEN, -1)
curses.init_pair(8, curses.COLOR_BLUE, -1)
try:
curses.init_pair(9, curses.COLOR_MAGENTA, -1)
except Exception:
if args.theme_white:
curses.init_pair(9, curses.COLOR_BLACK, -1)
else:
curses.init_pair(9, curses.COLOR_WHITE, -1)
try:
curses.init_pair(10, curses.COLOR_CYAN, -1)
except Exception:
if args.theme_white:
curses.init_pair(10, curses.COLOR_BLACK, -1)
else:
curses.init_pair(10, curses.COLOR_WHITE, -1)
else:
self.hascolors = False
if args.disable_bold:
A_BOLD = curses.A_BOLD
else:
A_BOLD = 0
self.title_color = A_BOLD
self.title_underline_color = A_BOLD | curses.A_UNDERLINE
self.help_color = A_BOLD
if self.hascolors:
# Colors text styles
self.no_color = curses.color_pair(1)
self.default_color = curses.color_pair(3) | A_BOLD
self.nice_color = curses.color_pair(9) | A_BOLD
self.ifCAREFUL_color = curses.color_pair(4) | A_BOLD
self.ifWARNING_color = curses.color_pair(5) | A_BOLD
self.ifCRITICAL_color = curses.color_pair(2) | A_BOLD
self.default_color2 = curses.color_pair(7) | A_BOLD
self.ifCAREFUL_color2 = curses.color_pair(8) | A_BOLD
self.ifWARNING_color2 = curses.color_pair(9) | A_BOLD
self.ifCRITICAL_color2 = curses.color_pair(6) | A_BOLD
self.filter_color = curses.color_pair(10) | A_BOLD
else:
# B&W text styles
self.no_color = curses.A_NORMAL
self.default_color = curses.A_NORMAL
self.nice_color = A_BOLD
self.ifCAREFUL_color = curses.A_UNDERLINE
self.ifWARNING_color = A_BOLD
self.ifCRITICAL_color = curses.A_REVERSE
self.default_color2 = curses.A_NORMAL
self.ifCAREFUL_color2 = curses.A_UNDERLINE
self.ifWARNING_color2 = A_BOLD
self.ifCRITICAL_color2 = curses.A_REVERSE
self.filter_color = A_BOLD
# Define the colors list (hash table) for stats
self.colors_list = {
'DEFAULT': self.no_color,
'UNDERLINE': curses.A_UNDERLINE,
'BOLD': A_BOLD,
'SORT': A_BOLD,
'OK': self.default_color2,
'FILTER': self.filter_color,
'TITLE': self.title_color,
'PROCESS': self.default_color2,
'STATUS': self.default_color2,
'NICE': self.nice_color,
'CAREFUL': self.ifCAREFUL_color2,
'WARNING': self.ifWARNING_color2,
'CRITICAL': self.ifCRITICAL_color2,
'OK_LOG': self.default_color,
'CAREFUL_LOG': self.ifCAREFUL_color,
'WARNING_LOG': self.ifWARNING_color,
'CRITICAL_LOG': self.ifCRITICAL_color
}
# Init main window
self.term_window = self.screen.subwin(0, 0)
# Init refresh time
self.__refresh_time = args.time
# Init process sort method
self.args.process_sorted_by = 'auto'
# Init edit filter tag
self.edit_filter = False
# Catch key pressed with non blocking mode
self.term_window.keypad(1)
self.term_window.nodelay(1)
self.pressedkey = -1
# History tag
self.reset_history_tag = False
self.history_tag = False
if args.enable_history:
logger.info('Stats history enabled with output path %s' %
args.path_history)
from glances.exports.glances_history import GlancesHistory
self.glances_history = GlancesHistory(args.path_history)
if not self.glances_history.graph_enabled():
args.enable_history = False
logger.error(
'Stats history disabled because MatPlotLib is not installed')
def __catch_key(self, return_to_browser=False):
# Catch the pressed key
self.pressedkey = self.get_key(self.term_window)
# Actions...
if self.pressedkey == ord('\x1b') or self.pressedkey == ord('q'):
# 'ESC'|'q' > Quit
if return_to_browser:
logger.info("Stop Glances client and return to the browser")
else:
self.end()
logger.info("Stop Glances")
sys.exit(0)
elif self.pressedkey == 10:
# 'ENTER' > Edit the process filter
self.edit_filter = not self.edit_filter
elif self.pressedkey == ord('1'):
# '1' > Switch between CPU and PerCPU information
self.args.percpu = not self.args.percpu
elif self.pressedkey == ord('2'):
# '2' > Enable/disable left sidebar
self.args.disable_left_sidebar = not self.args.disable_left_sidebar
elif self.pressedkey == ord('/'):
# '/' > Switch between short/long name for processes
self.args.process_short_name = not self.args.process_short_name
elif self.pressedkey == ord('a'):
# 'a' > Sort processes automatically
self.args.process_sorted_by = 'auto'
glances_processes.resetsort()
elif self.pressedkey == ord('b'):
# 'b' > Switch between bit/s and Byte/s for network IO
# self.net_byteps_tag = not self.net_byteps_tag
self.args.byte = not self.args.byte
elif self.pressedkey == ord('c'):
# 'c' > Sort processes by CPU usage
self.args.process_sorted_by = 'cpu_percent'
glances_processes.setmanualsortkey(self.args.process_sorted_by)
elif self.pressedkey == ord('d'):
# 'd' > Show/hide disk I/O stats
self.args.disable_diskio = not self.args.disable_diskio
elif self.pressedkey == ord('D'):
# 'D' > Show/hide Docker stats
self.args.disable_docker = not self.args.disable_docker
elif self.pressedkey == ord('e'):
# 'e' > Enable/Disable extended stats for top process
self.args.enable_process_extended = not self.args.enable_process_extended
if not self.args.enable_process_extended:
glances_processes.disable_extended()
else:
glances_processes.enable_extended()
elif self.pressedkey == ord('F'):
# 'F' > Switch between FS available and free space
self.args.fs_free_space = not self.args.fs_free_space
elif self.pressedkey == ord('f'):
# 'f' > Show/hide fs stats
self.args.disable_fs = not self.args.disable_fs
elif self.pressedkey == ord('g'):
# 'g' > History
self.history_tag = not self.history_tag
elif self.pressedkey == ord('h'):
# 'h' > Show/hide help
self.args.help_tag = not self.args.help_tag
elif self.pressedkey == ord('i'):
# 'i' > Sort processes by IO rate (not available on OS X)
self.args.process_sorted_by = 'io_counters'
glances_processes.setmanualsortkey(self.args.process_sorted_by)
elif self.pressedkey == ord('l'):
# 'l' > Show/hide log messages
self.args.disable_log = not self.args.disable_log
elif self.pressedkey == ord('m'):
# 'm' > Sort processes by MEM usage
self.args.process_sorted_by = 'memory_percent'
glances_processes.setmanualsortkey(self.args.process_sorted_by)
elif self.pressedkey == ord('n'):
# 'n' > Show/hide network stats
self.args.disable_network = not self.args.disable_network
elif self.pressedkey == ord('p'):
# 'p' > Sort processes by name
self.args.process_sorted_by = 'name'
glances_processes.setmanualsortkey(self.args.process_sorted_by)
elif self.pressedkey == ord('r'):
# 'r' > Reset history
self.reset_history_tag = not self.reset_history_tag
elif self.pressedkey == ord('R'):
# 'R' > Hide RAID plugins
self.args.disable_raid = not self.args.disable_raid
elif self.pressedkey == ord('s'):
# 's' > Show/hide sensors stats (Linux-only)
self.args.disable_sensors = not self.args.disable_sensors
elif self.pressedkey == ord('t'):
# 't' > Sort processes by TIME usage
self.args.process_sorted_by = 'cpu_times'
glances_processes.setmanualsortkey(self.args.process_sorted_by)
elif self.pressedkey == ord('T'):
# 'T' > View network traffic as sum Rx+Tx
self.args.network_sum = not self.args.network_sum
elif self.pressedkey == ord('u'):
# 'u' > View cumulative network IO (instead of bitrate)
self.args.network_cumul = not self.args.network_cumul
elif self.pressedkey == ord('w'):
# 'w' > Delete finished warning logs
glances_logs.clean()
elif self.pressedkey == ord('x'):
# 'x' > Delete finished warning and critical logs
glances_logs.clean(critical=True)
elif self.pressedkey == ord('z'):
# 'z' > Enable/Disable processes stats (count + list + monitor)
# Enable/Disable display
self.args.disable_process = not self.args.disable_process
# Enable/Disable update
if self.args.disable_process:
glances_processes.disable()
else:
glances_processes.enable()
# Return the key code
return self.pressedkey
# Import Glances lib
from glances.core.glances_logging import logger
# Import specific lib
try:
from matplotlib import __version__ as matplotlib_version
import matplotlib.pyplot as plt
except ImportError:
matplotlib_check = False
logger.warning(
'Cannot load Matplotlib library. Please install it using "pip install matplotlib"'
)
else:
matplotlib_check = True
logger.info('Load Matplotlib version %s' % matplotlib_version)
class GlancesHistory(object):
"""This class define the object to manage stats history"""
def __init__(self, output_folder):
self.output_folder = output_folder
def get_output_folder(self):
"""Return the output folder where the graph are generated"""
return self.output_folder
def graph_enabled(self):
"""Return True if Glances can generaate history graphs"""
return matplotlib_check
def parse_args(self):
"""Parse command line arguments."""
args = self.init_args().parse_args()
# Load the configuration file, if it exists
self.config = Config(args.conf_file)
# Debug mode
if args.debug:
from logging import DEBUG
logger.setLevel(DEBUG)
# Client/server Port
if args.port is None:
if args.webserver:
args.port = self.web_server_port
else:
args.port = self.server_port
# Autodiscover
if args.disable_autodiscover:
logger.info("Auto discover mode is disabled")
# In web server mode, defaul refresh time: 5 sec
if args.webserver:
args.time = 5
args.process_short_name = True
# Server or client login/password
args.username = self.username
if args.password_prompt:
# Interactive or file password
if args.server:
args.password = self.__get_password(
description='Define the password for the Glances server',
confirm=True)
elif args.webserver:
args.password = self.__get_password(
description='Define the password for the Glances web server\nUser name: glances',
confirm=True)
elif args.client:
args.password = self.__get_password(
description='Enter the Glances server password',
clear=True)
else:
# Default is no password
args.password = self.password
# By default help is hidden
args.help_tag = False
# Display Rx and Tx, not the sum for the network
args.network_sum = False
args.network_cumul = False
# Manage full quicklook option
if args.full_quicklook:
args.disable_quicklook = False
args.disable_cpu = True
args.disable_mem = True
args.disable_swap = True
args.disable_load = False
else:
args.disable_quicklook = False
args.disable_cpu = False
args.disable_mem = False
args.disable_swap = False
args.disable_load = False
# Control parameter and exit if it is not OK
self.args = args
# Export is only available in standalone or client mode (issue #614)
export_tag = args.export_csv or args.export_statsd or args.export_influxdb or args.export_opentsdb or args.export_rabbitmq
if not (self.is_standalone() or self.is_client()) and export_tag:
logger.critical("Export is only available in standalone or client mode")
sys.exit(2)
# Filter is only available in standalone mode
if args.process_filter is not None and not self.is_standalone():
logger.critical("Process filter is only available in standalone mode")
sys.exit(2)
# Check graph output path
if args.enable_history and args.path_history is not None:
if not os.access(args.path_history, os.W_OK):
logger.critical("History output path {0} do not exist or is not writable".format(args.path_history))
sys.exit(2)
logger.debug("History output path is set to {0}".format(args.path_history))
# Disable HDDTemp if sensors are disabled
if args.disable_sensors:
args.disable_hddtemp = True
logger.debug("Sensors and HDDTemp are disabled")
return args
def parse_args(self):
"""Parse command line arguments."""
args = self.init_args().parse_args()
# Load the configuration file, if it exists
self.config = Config(args.conf_file)
# Debug mode
if args.debug:
from logging import DEBUG
logger.setLevel(DEBUG)
# Client/server Port
if args.port is None:
if args.webserver:
args.port = self.web_server_port
else:
args.port = self.server_port
# Autodiscover
if args.disable_autodiscover:
logger.info("Auto discover mode is disabled")
# In web server mode, defaul refresh time: 5 sec
if args.webserver:
args.time = 5
args.process_short_name = True
# Server or client login/password
args.username = self.username
if args.password_arg is not None:
from hashlib import sha256
# Password is given as an argument
# Hash with SHA256
# Only the SHA will be transmit on the network
args.password = sha256(args.password_arg).hexdigest()
elif args.password_prompt:
# Interactive or file password
if args.server:
args.password = self.__get_password(
description=_(
"Define the password for the Glances server"),
confirm=True)
elif args.client:
args.password = self.__get_password(
description=_("Enter the Glances server password"),
clear=True)
else:
# Default is no password
args.password = self.password
# By default help is hidden
args.help_tag = False
# Display Rx and Tx, not the sum for the network
args.network_sum = False
args.network_cumul = False
# Control parameter and exit if it is not OK
self.args = args
# Filter is only available in standalone mode
if args.process_filter is not None and not self.is_standalone():
logger.critical("Process filter is only available in standalone mode")
sys.exit(2)
# Check graph output path
if args.enable_history and args.path_history is not None:
if not os.access(args.path_history, os.W_OK):
logger.critical("History output path {0} do not exist or is not writable".format(args.path_history))
sys.exit(2)
logger.debug("History output path is set to {0}".format(args.path_history))
return args
def remove_service(self, zeroconf, srv_type, srv_name):
"""Remove the server from the list."""
self.servers.remove_server(srv_name)
logger.info(
"Glances server %s removed from the autodetect list" % srv_name)
except ImportError:
print('PSutil library not found. Glances cannot start.')
sys.exit(1)
# Import Glances libs
# Note: others Glances libs will be imported optionally
from glances.core.glances_globals import gettext_domain, locale_dir
from glances.core.glances_logging import logger
from glances.core.glances_main import GlancesMain
# Get PSutil version
psutil_min_version = (2, 0, 0)
psutil_version = tuple([int(num) for num in __psutil_version.split('.')])
# First log with Glances and PSUtil version
logger.info('Start Glances {0}'.format(__version__))
logger.info('{0} {1} and PSutil {2} detected'.format(
platform.python_implementation(), platform.python_version(),
__psutil_version))
# Check PSutil version
if psutil_version < psutil_min_version:
logger.critical('PSutil 2.0 or higher is needed. Glances cannot start.')
sys.exit(1)
def __signal_handler(signal, frame):
"""Callback for CTRL-C."""
end()
def remove_service(self, zeroconf, srv_type, srv_name):
# Remove the server from the list
self.servers.remove_server(srv_name)
logger.info(
"Glances server %s removed from the autodetect list" % srv_name)
def main():
"""Main entry point for Glances.
Select the mode (standalone, client or server)
Run it...
"""
# Log Glances and PSutil version
logger.info('Start Glances {0}'.format(__version__))
logger.info('{0} {1} and PSutil {2} detected'.format(
platform.python_implementation(),
platform.python_version(),
__psutil_version))
# Share global var
global core, standalone, client, server, webserver
# Create the Glances main instance
core = GlancesMain()
prctl.prctl(prctl.PDEATHSIG, signal.SIGTERM)
# Catch the CTRL-C signal
signal.signal(signal.SIGINT, __signal_handler)
# Glances can be ran in standalone, client or server mode
if core.is_standalone():
logger.info("Start standalone mode")
# Import the Glances standalone module
from glances.core.glances_standalone import GlancesStandalone
# Init the standalone mode
standalone = GlancesStandalone(config=core.get_config(),
args=core.get_args())
# Start the standalone (CLI) loop
standalone.serve_forever()
elif core.is_client():
if core.is_client_browser():
logger.info("Start client mode (browser)")
# Import the Glances client browser module
from glances.core.glances_client_browser import GlancesClientBrowser
# Init the client
client = GlancesClientBrowser(config=core.get_config(),
args=core.get_args())
else:
logger.info("Start client mode")
# Import the Glances client module
from glances.core.glances_client import GlancesClient
# Init the client
client = GlancesClient(config=core.get_config(),
args=core.get_args())
# Test if client and server are in the same major version
if not client.login():
logger.critical("The server version is not compatible with the client")
sys.exit(2)
# Start the client loop
client.serve_forever()
# Shutdown the client
client.end()
elif core.is_server():
logger.info("Start server mode")
# Import the Glances server module
from glances.core.glances_server import GlancesServer
args = core.get_args()
server = GlancesServer(cached_time=core.cached_time,
config=core.get_config(),
args=args)
print('Glances server is running on {0}:{1}'.format(args.bind_address, args.port))
# Set the server login/password (if -P/--password tag)
if args.password != "":
server.add_user(args.username, args.password)
# Start the server loop
server.serve_forever()
# Shutdown the server?
server.server_close()
elif core.is_webserver():
logger.info("Start web server mode")
# Import the Glances web server module
from glances.core.glances_webserver import GlancesWebServer
# Init the web server mode
webserver = GlancesWebServer(config=core.get_config(),
args=core.get_args())
# Start the web server loop
webserver.serve_forever()
def parse_args(self):
"""Parse command line arguments."""
args = self.init_args().parse_args()
# Load the configuration file, if it exists
self.config = Config(args.conf_file)
# Debug mode
if args.debug:
from logging import DEBUG
logger.setLevel(DEBUG)
# Client/server Port
if args.port is None:
if args.webserver:
args.port = self.web_server_port
else:
args.port = self.server_port
# Autodiscover
if args.disable_autodiscover:
logger.info("Auto discover mode is disabled")
# In web server mode, defaul refresh time: 5 sec
if args.webserver:
args.time = 5
args.process_short_name = True
# Server or client login/password
args.username = self.username
if args.password_prompt:
# Interactive or file password
if args.server:
args.password = self.__get_password(
description='Define the password for the Glances server',
confirm=True)
elif args.webserver:
args.password = self.__get_password(
description=
'Define the password for the Glances web server\nUser name: glances',
confirm=True)
elif args.client:
args.password = self.__get_password(
description='Enter the Glances server password',
clear=True)
else:
# Default is no password
args.password = self.password
# By default help is hidden
args.help_tag = False
# Display Rx and Tx, not the sum for the network
args.network_sum = False
args.network_cumul = False
# Manage full quicklook option
if args.full_quicklook:
args.disable_quicklook = False
args.disable_cpu = True
args.disable_mem = True
args.disable_swap = True
args.disable_load = False
else:
args.disable_quicklook = False
args.disable_cpu = False
args.disable_mem = False
args.disable_swap = False
args.disable_load = False
# Control parameter and exit if it is not OK
self.args = args
# Export is only available in standalone or client mode (issue #614)
export_tag = args.export_csv or args.export_statsd or args.export_influxdb or args.export_opentsdb or args.export_rabbitmq
if not (self.is_standalone() or self.is_client()) and export_tag:
logger.critical(
"Export is only available in standalone or client mode")
sys.exit(2)
# Filter is only available in standalone mode
if args.process_filter is not None and not self.is_standalone():
logger.critical(
"Process filter is only available in standalone mode")
sys.exit(2)
# Check graph output path
if args.enable_history and args.path_history is not None:
if not os.access(args.path_history, os.W_OK):
logger.critical(
"History output path {0} do not exist or is not writable".
format(args.path_history))
sys.exit(2)
logger.debug("History output path is set to {0}".format(
args.path_history))
# Disable HDDTemp if sensors are disabled
if args.disable_sensors:
args.disable_hddtemp = True
logger.debug("Sensors and HDDTemp are disabled")
return args
def __serve_forever(self):
"""Main client loop."""
while True:
# No need to update the server list
# It's done by the GlancesAutoDiscoverListener class (glances_autodiscover.py)
# Or define staticaly in the configuration file (module glances_staticlist.py)
# For each server in the list, grab elementary stats (CPU, LOAD, MEM, OS...)
# logger.debug(self.get_servers_list())
try:
for v in self.get_servers_list():
# Do not retreive stats for statics server
# Why ? Because for each offline servers, the timeout will be reached
# So ? The curse interface freezes
if v['type'] == 'STATIC' and v['status'] in ['UNKNOWN', 'SNMP', 'OFFLINE']:
continue
# Get the server URI
uri = self.__get_uri(v)
# Try to connect to the server
t = GlancesClientTransport()
t.set_timeout(3)
# Get common stats
try:
s = ServerProxy(uri, transport=t)
except Exception as e:
logger.warning(
"Client browser couldn't create socket {0}: {1}".format(uri, e))
else:
# Mandatory stats
try:
# CPU%
cpu_percent = 100 - json.loads(s.getCpu())['idle']
v['cpu_percent'] = '{0:.1f}'.format(cpu_percent)
# MEM%
v['mem_percent'] = json.loads(s.getMem())['percent']
# OS (Human Readable name)
v['hr_name'] = json.loads(s.getSystem())['hr_name']
except (socket.error, Fault, KeyError) as e:
logger.debug(
"Error while grabbing stats form {0}: {1}".format(uri, e))
v['status'] = 'OFFLINE'
except ProtocolError as e:
if str(e).find(" 401 ") > 0:
# Error 401 (Authentication failed)
# Password is not the good one...
v['password'] = None
v['status'] = 'PROTECTED'
else:
v['status'] = 'OFFLINE'
logger.debug(
"Cannot grab stats from {0}: {1}".format(uri, e))
else:
# Status
v['status'] = 'ONLINE'
# Optional stats (load is not available on Windows OS)
try:
# LOAD
load_min5 = json.loads(s.getLoad())['min5']
v['load_min5'] = '{0:.2f}'.format(load_min5)
except Exception as e:
logger.warning(
"Error while grabbing stats form {0}: {1}".format(uri, e))
# List can change size during iteration...
except RuntimeError:
logger.debug(
"Server list dictionnary change inside the loop (wait next update)")
# Update the screen (list or Glances client)
if self.screen.active_server is None:
# Display the Glances browser
self.screen.update(self.get_servers_list())
else:
# Display the Glances client for the selected server
logger.debug("Selected server: {0}".format(self.get_servers_list()[self.screen.active_server]))
# Connection can take time
# Display a popup
self.screen.display_popup(
'Connect to {0}:{1}'.format(v['name'], v['port']), duration=1)
# A password is needed to access to the server's stats
if self.get_servers_list()[self.screen.active_server]['password'] is None:
from hashlib import sha256
# Display a popup to enter password
clear_password = self.screen.display_popup(
'Password needed for {0}: '.format(v['name']), is_input=True)
# Hash with SHA256
encoded_password = sha256(clear_password.encode('utf-8')).hexdigest()
# Store the password for the selected server
self.set_in_selected('password', encoded_password)
# Display the Glance client on the selected server
logger.info("Connect Glances client to the {0} server".format(
self.get_servers_list()[self.screen.active_server]['key']))
# Init the client
args_server = self.args
# Overwrite connection setting
args_server.client = self.get_servers_list()[self.screen.active_server]['ip']
args_server.port = self.get_servers_list()[self.screen.active_server]['port']
args_server.username = self.get_servers_list()[self.screen.active_server]['username']
args_server.password = self.get_servers_list()[self.screen.active_server]['password']
client = GlancesClient(config=self.config, args=args_server, return_to_browser=True)
# Test if client and server are in the same major version
if not client.login():
self.screen.display_popup(
"Sorry, cannot connect to '{0}'\n"
"See 'glances.log' for more details".format(v['name']))
# Set the ONLINE status for the selected server
self.set_in_selected('status', 'OFFLINE')
else:
# Start the client loop
# Return connection type: 'glances' or 'snmp'
connection_type = client.serve_forever()
try:
logger.debug("Disconnect Glances client from the {0} server".format(
self.get_servers_list()[self.screen.active_server]['key']))
except IndexError:
# Server did not exist anymore
pass
else:
# Set the ONLINE status for the selected server
if connection_type == 'snmp':
self.set_in_selected('status', 'SNMP')
else:
self.set_in_selected('status', 'ONLINE')
# Return to the browser (no server selected)
self.screen.active_server = None
def serve_forever(self):
"""Main client loop."""
while True:
# No need to update the server list
# It's done by the GlancesAutoDiscoverListener class (glances_autodiscover.py)
# Or define staticaly in the configuration file (module glances_staticlist.py)
# For each server in the list, grab elementary stats (CPU, LOAD, MEM, OS...)
# logger.debug(self.get_servers_list())
try:
for v in self.get_servers_list():
# Do not retreive stats for statics server
# Why ? Because for each offline servers, the timeout will be reached
# So ? The curse interface freezes
if (v['type'] == 'STATIC'
and v['status'] in ['UNKNOWN', 'SNMP', 'OFFLINE']):
continue
# Select the connection mode (with or without password)
if v['password'] != "":
uri = 'http://{0}:{1}@{2}:{3}'.format(
v['username'], v['password'], v['ip'], v['port'])
else:
uri = 'http://{0}:{1}'.format(v['ip'], v['port'])
# Try to connect to the server
t = GlancesClientTransport()
t.set_timeout(3)
# Get common stats
try:
s = ServerProxy(uri, transport=t)
except Exception as e:
logger.warning(
"Client browser couldn't create socket {0}: {1}".
format(uri, e))
else:
# Mandatory stats
try:
# CPU%
cpu_percent = 100 - json.loads(s.getCpu())['idle']
v['cpu_percent'] = '{0:.1f}'.format(cpu_percent)
# MEM%
v['mem_percent'] = json.loads(
s.getMem())['percent']
# OS (Human Readable name)
v['hr_name'] = json.loads(s.getSystem())['hr_name']
except (socket.error, Fault, KeyError) as e:
logger.debug(
"Error while grabbing stats form {0}: {1}".
format(uri, e))
v['status'] = 'OFFLINE'
except ProtocolError as e:
if str(e).find(" 401 ") > 0:
# Error 401 (Authentication failed)
# Password is not the good one...
v['password'] = None
v['status'] = 'PROTECTED'
else:
v['status'] = 'OFFLINE'
logger.debug(
"Cannot grab stats from {0}: {1}".format(
uri, e))
else:
# Status
v['status'] = 'ONLINE'
# Optional stats (load is not available on Windows OS)
try:
# LOAD
load_min5 = json.loads(s.getLoad())['min5']
v['load_min5'] = '{0:.2f}'.format(load_min5)
except Exception as e:
logger.warning(
"Error while grabbing stats form {0}: {1}".
format(uri, e))
# List can change size during iteration...
except RuntimeError:
logger.debug(
"Server list dictionnary change inside the loop (wait next update)"
)
# Update the screen (list or Glances client)
if self.screen.get_active() is None:
# Display the Glances browser
self.screen.update(self.get_servers_list())
else:
# Display the Glances client for the selected server
logger.debug("Selected server: %s" %
self.get_servers_list()[self.screen.get_active()])
# Connection can take time
# Display a popup
self.screen.display_popup(_("Connect to %s:%s" %
(v['name'], v['port'])),
duration=1)
# A password is needed to access to the server's stats
if self.get_servers_list()[
self.screen.get_active()]['password'] is None:
from hashlib import sha256
# Display a popup to enter password
clear_password = self.screen.display_popup(_(
"Password needed for %s: " % v['name']),
is_input=True)
# Hash with SHA256
encoded_password = sha256(clear_password).hexdigest()
# Store the password for the selected server
self.set_in_selected('password', encoded_password)
# Display the Glance client on the selected server
logger.info(
"Connect Glances client to the %s server" %
self.get_servers_list()[self.screen.get_active()]['key'])
# Init the client
args_server = self.args
# Overwrite connection setting
args_server.client = self.get_servers_list()[
self.screen.get_active()]['ip']
args_server.port = self.get_servers_list()[
self.screen.get_active()]['port']
args_server.username = self.get_servers_list()[
self.screen.get_active()]['username']
args_server.password = self.get_servers_list()[
self.screen.get_active()]['password']
client = GlancesClient(config=self.config,
args=args_server,
return_to_browser=True)
# Test if client and server are in the same major version
if not client.login():
self.screen.display_popup(
_("Sorry, cannot connect to %s (see log file for additional information)"
% v['name']))
# Set the ONLINE status for the selected server
self.set_in_selected('status', 'OFFLINE')
else:
# Start the client loop
# Return connection type: 'glances' or 'snmp'
connection_type = client.serve_forever()
try:
logger.debug(
"Disconnect Glances client from the %s server" %
self.get_servers_list()[
self.screen.get_active()]['key'])
except IndexError:
# Server did not exist anymore
pass
else:
# Set the ONLINE status for the selected server
if connection_type == 'snmp':
self.set_in_selected('status', 'SNMP')
else:
self.set_in_selected('status', 'ONLINE')
# Return to the browser (no server selected)
self.screen.set_active(None)
def main():
"""Main entry point for Glances.
Select the mode (standalone, client or server)
Run it...
"""
# Setup translations
locale.setlocale(locale.LC_ALL, '')
gettext.install(gettext_domain, locale_dir)
# Share global var
global core, standalone, client, server, webserver
# Create the Glances main instance
core = GlancesMain()
# Catch the CTRL-C signal
signal.signal(signal.SIGINT, __signal_handler)
# Glances can be ran in standalone, client or server mode
if core.is_standalone():
logger.info("Start standalone mode")
# Import the Glances standalone module
from glances.core.glances_standalone import GlancesStandalone
# Init the standalone mode
standalone = GlancesStandalone(config=core.get_config(),
args=core.get_args())
# Start the standalone (CLI) loop
standalone.serve_forever()
elif core.is_client():
if core.is_client_browser():
logger.info("Start client mode (browser)")
# Import the Glances client browser module
from glances.core.glances_client_browser import GlancesClientBrowser
# Init the client
client = GlancesClientBrowser(config=core.get_config(),
args=core.get_args())
else:
logger.info("Start client mode")
# Import the Glances client module
from glances.core.glances_client import GlancesClient
# Init the client
client = GlancesClient(config=core.get_config(),
args=core.get_args())
# Test if client and server are in the same major version
if not client.login():
logger.critical(
"The server version is not compatible with the client")
sys.exit(2)
# Start the client loop
client.serve_forever()
# Shutdown the client
client.end()
elif core.is_server():
logger.info("Start server mode")
# Import the Glances server module
from glances.core.glances_server import GlancesServer
args = core.get_args()
server = GlancesServer(cached_time=core.cached_time,
config=core.get_config(),
args=args)
print(
_("Glances server is running on {0}:{1}").format(
args.bind_address, args.port))
# Set the server login/password (if -P/--password tag)
if args.password != "":
server.add_user(args.username, args.password)
# Start the server loop
server.serve_forever()
# Shutdown the server?
server.server_close()
elif core.is_webserver():
logger.info("Start web server mode")
# Import the Glances web server module
from glances.core.glances_webserver import GlancesWebServer
# Init the web server mode
webserver = GlancesWebServer(config=core.get_config(),
args=core.get_args())
# Start the web server loop
webserver.serve_forever()
def read(self):
"""Read the config file, if it exists. Using defaults otherwise."""
for config_file in self.config_file_paths():
if os.path.exists(config_file):
try:
if is_py3:
self.parser.read(config_file, encoding='utf-8')
else:
self.parser.read(config_file)
logger.info("Read configuration file '{0}'".format(config_file))
except UnicodeDecodeError as err:
logger.error("Cannot decode configuration file '{0}': {1}".format(config_file, err))
sys.exit(1)
# Save the loaded configuration file path (issue #374)
self._loaded_config_file = config_file
break
# Quicklook
if not self.parser.has_section('quicklook'):
self.parser.add_section('quicklook')
self.parser.set('quicklook', 'cpu_careful', '50')
self.parser.set('quicklook', 'cpu_warning', '70')
self.parser.set('quicklook', 'cpu_critical', '90')
self.parser.set('quicklook', 'mem_careful', '50')
self.parser.set('quicklook', 'mem_warning', '70')
self.parser.set('quicklook', 'mem_critical', '90')
self.parser.set('quicklook', 'swap_careful', '50')
self.parser.set('quicklook', 'swap_warning', '70')
self.parser.set('quicklook', 'swap_critical', '90')
# CPU
if not self.parser.has_section('cpu'):
self.parser.add_section('cpu')
self.parser.set('cpu', 'user_careful', '50')
self.parser.set('cpu', 'user_warning', '70')
self.parser.set('cpu', 'user_critical', '90')
self.parser.set('cpu', 'iowait_careful', '50')
self.parser.set('cpu', 'iowait_warning', '70')
self.parser.set('cpu', 'iowait_critical', '90')
self.parser.set('cpu', 'system_careful', '50')
self.parser.set('cpu', 'system_warning', '70')
self.parser.set('cpu', 'system_critical', '90')
self.parser.set('cpu', 'steal_careful', '50')
self.parser.set('cpu', 'steal_warning', '70')
self.parser.set('cpu', 'steal_critical', '90')
# Per-CPU
if not self.parser.has_section('percpu'):
self.parser.add_section('percpu')
self.parser.set('percpu', 'user_careful', '50')
self.parser.set('percpu', 'user_warning', '70')
self.parser.set('percpu', 'user_critical', '90')
self.parser.set('percpu', 'iowait_careful', '50')
self.parser.set('percpu', 'iowait_warning', '70')
self.parser.set('percpu', 'iowait_critical', '90')
self.parser.set('percpu', 'system_careful', '50')
self.parser.set('percpu', 'system_warning', '70')
self.parser.set('percpu', 'system_critical', '90')
# Load
if not self.parser.has_section('load'):
self.parser.add_section('load')
self.parser.set('load', 'careful', '0.7')
self.parser.set('load', 'warning', '1.0')
self.parser.set('load', 'critical', '5.0')
# Mem
if not self.parser.has_section('mem'):
self.parser.add_section('mem')
self.parser.set('mem', 'careful', '50')
self.parser.set('mem', 'warning', '70')
self.parser.set('mem', 'critical', '90')
# Swap
if not self.parser.has_section('memswap'):
self.parser.add_section('memswap')
self.parser.set('memswap', 'careful', '50')
self.parser.set('memswap', 'warning', '70')
self.parser.set('memswap', 'critical', '90')
# FS
if not self.parser.has_section('fs'):
self.parser.add_section('fs')
self.parser.set('fs', 'careful', '50')
self.parser.set('fs', 'warning', '70')
self.parser.set('fs', 'critical', '90')
# Sensors
if not self.parser.has_section('sensors'):
self.parser.add_section('sensors')
self.parser.set('sensors', 'temperature_core_careful', '60')
self.parser.set('sensors', 'temperature_core_warning', '70')
self.parser.set('sensors', 'temperature_core_critical', '80')
self.parser.set('sensors', 'temperature_hdd_careful', '45')
self.parser.set('sensors', 'temperature_hdd_warning', '52')
self.parser.set('sensors', 'temperature_hdd_critical', '60')
self.parser.set('sensors', 'battery_careful', '80')
self.parser.set('sensors', 'battery_warning', '90')
self.parser.set('sensors', 'battery_critical', '95')
# Process list
if not self.parser.has_section('processlist'):
self.parser.add_section('processlist')
self.parser.set('processlist', 'cpu_careful', '50')
self.parser.set('processlist', 'cpu_warning', '70')
self.parser.set('processlist', 'cpu_critical', '90')
self.parser.set('processlist', 'mem_careful', '50')
self.parser.set('processlist', 'mem_warning', '70')
self.parser.set('processlist', 'mem_critical', '90')
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 main():
"""Main entry point for Glances.
Select the mode (standalone, client or server)
Run it...
"""
# Setup translations
locale.setlocale(locale.LC_ALL, '')
gettext.install(gettext_domain, locale_dir)
# Share global var
global core, standalone, client, server, webserver
# Create the Glances main instance
core = GlancesMain()
# Catch the CTRL-C signal
signal.signal(signal.SIGINT, __signal_handler)
# Glances can be ran in standalone, client or server mode
if core.is_standalone():
logger.info("Start standalone mode")
# Import the Glances standalone module
from glances.core.glances_standalone import GlancesStandalone
# Init the standalone mode
standalone = GlancesStandalone(config=core.get_config(),
args=core.get_args())
# Start the standalone (CLI) loop
standalone.serve_forever()
elif core.is_client():
if core.is_client_browser():
logger.info("Start client mode (browser)")
# Import the Glances client browser module
from glances.core.glances_client_browser import GlancesClientBrowser
# Init the client
client = GlancesClientBrowser(config=core.get_config(),
args=core.get_args())
else:
logger.info("Start client mode")
# Import the Glances client module
from glances.core.glances_client import GlancesClient
# Init the client
client = GlancesClient(config=core.get_config(),
args=core.get_args())
# Test if client and server are in the same major version
if not client.login():
logger.critical("The server version is not compatible with the client")
sys.exit(2)
# Start the client loop
client.serve_forever()
# Shutdown the client
client.end()
elif core.is_server():
logger.info("Start server mode")
# Import the Glances server module
from glances.core.glances_server import GlancesServer
args = core.get_args()
server = GlancesServer(cached_time=core.cached_time,
config=core.get_config(),
args=args)
print(_("Glances server is running on {0}:{1}").format(args.bind_address, args.port))
# Set the server login/password (if -P/--password tag)
if args.password != "":
server.add_user(args.username, args.password)
# Start the server loop
server.serve_forever()
# Shutdown the server?
server.server_close()
elif core.is_webserver():
logger.info("Start web server mode")
# Import the Glances web server module
from glances.core.glances_webserver import GlancesWebServer
# Init the web server mode
webserver = GlancesWebServer(config=core.get_config(),
args=core.get_args())
# Start the web server loop
webserver.serve_forever()
def __catch_key(self, return_to_browser=False):
# Catch the pressed key
self.pressedkey = self.get_key(self.term_window)
# Actions...
if self.pressedkey == ord("\x1b") or self.pressedkey == ord("q"):
# 'ESC'|'q' > Quit
if return_to_browser:
logger.info("Stop Glances client and return to the browser")
else:
self.end()
logger.info("Stop Glances")
sys.exit(0)
elif self.pressedkey == 10:
# 'ENTER' > Edit the process filter
self.edit_filter = not self.edit_filter
elif self.pressedkey == ord("1"):
# '1' > Switch between CPU and PerCPU information
self.args.percpu = not self.args.percpu
elif self.pressedkey == ord("2"):
# '2' > Enable/disable left sidebar
self.args.disable_left_sidebar = not self.args.disable_left_sidebar
elif self.pressedkey == ord("3"):
# '3' > Enable/disable quicklook
self.args.disable_quicklook = not self.args.disable_quicklook
elif self.pressedkey == ord("/"):
# '/' > Switch between short/long name for processes
self.args.process_short_name = not self.args.process_short_name
elif self.pressedkey == ord("a"):
# 'a' > Sort processes automatically and reset to 'cpu_percent'
glances_processes.auto_sort = True
glances_processes.sort_key = "cpu_percent"
elif self.pressedkey == ord("b"):
# 'b' > Switch between bit/s and Byte/s for network IO
# self.net_byteps_tag = not self.net_byteps_tag
self.args.byte = not self.args.byte
elif self.pressedkey == ord("c"):
# 'c' > Sort processes by CPU usage
glances_processes.auto_sort = False
glances_processes.sort_key = "cpu_percent"
elif self.pressedkey == ord("d"):
# 'd' > Show/hide disk I/O stats
self.args.disable_diskio = not self.args.disable_diskio
elif self.pressedkey == ord("D"):
# 'D' > Show/hide Docker stats
self.args.disable_docker = not self.args.disable_docker
elif self.pressedkey == ord("e"):
# 'e' > Enable/Disable extended stats for top process
self.args.enable_process_extended = not self.args.enable_process_extended
if not self.args.enable_process_extended:
glances_processes.disable_extended()
else:
glances_processes.enable_extended()
elif self.pressedkey == ord("F"):
# 'F' > Switch between FS available and free space
self.args.fs_free_space = not self.args.fs_free_space
elif self.pressedkey == ord("f"):
# 'f' > Show/hide fs stats
self.args.disable_fs = not self.args.disable_fs
elif self.pressedkey == ord("g"):
# 'g' > History
self.history_tag = not self.history_tag
elif self.pressedkey == ord("h"):
# 'h' > Show/hide help
self.args.help_tag = not self.args.help_tag
elif self.pressedkey == ord("i"):
# 'i' > Sort processes by IO rate (not available on OS X)
glances_processes.auto_sort = False
glances_processes.sort_key = "io_counters"
elif self.pressedkey == ord("I"):
# 'I' > Show/hide IP module
self.args.disable_ip = not self.args.disable_ip
elif self.pressedkey == ord("l"):
# 'l' > Show/hide log messages
self.args.disable_log = not self.args.disable_log
elif self.pressedkey == ord("m"):
# 'm' > Sort processes by MEM usage
glances_processes.auto_sort = False
glances_processes.sort_key = "memory_percent"
elif self.pressedkey == ord("n"):
# 'n' > Show/hide network stats
self.args.disable_network = not self.args.disable_network
elif self.pressedkey == ord("p"):
# 'p' > Sort processes by name
glances_processes.auto_sort = False
glances_processes.sort_key = "name"
elif self.pressedkey == ord("r"):
# 'r' > Reset history
self.reset_history_tag = not self.reset_history_tag
elif self.pressedkey == ord("R"):
# 'R' > Hide RAID plugins
self.args.disable_raid = not self.args.disable_raid
elif self.pressedkey == ord("s"):
# 's' > Show/hide sensors stats (Linux-only)
self.args.disable_sensors = not self.args.disable_sensors
elif self.pressedkey == ord("t"):
# 't' > Sort processes by TIME usage
glances_processes.auto_sort = False
glances_processes.sort_key = "cpu_times"
elif self.pressedkey == ord("T"):
# 'T' > View network traffic as sum Rx+Tx
self.args.network_sum = not self.args.network_sum
elif self.pressedkey == ord("u"):
# 'u' > Sort processes by USER
glances_processes.auto_sort = False
glances_processes.sort_key = "username"
elif self.pressedkey == ord("U"):
# 'U' > View cumulative network I/O (instead of bitrate)
self.args.network_cumul = not self.args.network_cumul
elif self.pressedkey == ord("w"):
# 'w' > Delete finished warning logs
glances_logs.clean()
elif self.pressedkey == ord("x"):
# 'x' > Delete finished warning and critical logs
glances_logs.clean(critical=True)
elif self.pressedkey == ord("z"):
# 'z' > Enable/Disable processes stats (count + list + monitor)
# Enable/Disable display
self.args.disable_process = not self.args.disable_process
# Enable/Disable update
if self.args.disable_process:
glances_processes.disable()
else:
glances_processes.enable()
# Return the key code
return self.pressedkey
