def update(self):
"""Update IP stats using the input method.
Stats is dict
"""
# Reset stats
self.reset()
if self.input_method == 'local' and netifaces_tag:
# Update stats using the netifaces lib
try:
default_gw = netifaces.gateways()['default'][netifaces.AF_INET]
except (KeyError, AttributeError) as e:
logger.debug("Cannot grab the default gateway ({0})".format(e))
else:
try:
self.stats['address'] = netifaces.ifaddresses(default_gw[1])[netifaces.AF_INET][0]['addr']
self.stats['mask'] = netifaces.ifaddresses(default_gw[1])[netifaces.AF_INET][0]['netmask']
self.stats['mask_cidr'] = self.ip_to_cidr(self.stats['mask'])
self.stats['gateway'] = netifaces.gateways()['default'][netifaces.AF_INET][0]
except (KeyError, AttributeError) as e:
logger.debug("Can not grab IP information (%s)".format(e))
elif self.input_method == 'snmp':
# Not implemented yet
pass
# Update the view
self.update_views()
return self.stats
def load_conf(self, section="influxdb"):
"""Load the InfluxDb configuration in the Glances configuration file."""
if self.config is None:
return False
try:
self.host = self.config.get_value(section, 'host')
self.port = self.config.get_value(section, 'port')
self.user = self.config.get_value(section, 'user')
self.password = self.config.get_value(section, 'password')
self.db = self.config.get_value(section, 'db')
except NoSectionError:
logger.critical("No InfluxDB configuration found")
return False
except NoOptionError as e:
logger.critical("Error in the InfluxDB configuration (%s)" % e)
return False
else:
logger.debug("Load InfluxDB from the Glances configuration file")
# Prefix is optional
try:
self.prefix = self.config.get_value(section, 'prefix')
except NoOptionError:
pass
# Tags are optional, comma separated key:value pairs.
try:
self.tags = self.config.get_value(section, 'tags')
except NoOptionError:
self.tags = ''
return True
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_exports(self, args=None):
"""Load all exports module in the 'exports' folder."""
if args is None:
return False
header = "glances_"
# Transform the arguments list into a dict
# The aim is to chec if the export module should be loaded
args_var = vars(locals()['args'])
for item in os.listdir(exports_path):
export_name = os.path.basename(item)[len(header):-3].lower()
if (item.startswith(header) and
item.endswith(".py") and
item != (header + "export.py") and
item != (header + "history.py") and
args_var['export_' + export_name] is not None and
args_var['export_' + export_name] is not False):
# Import the export module
export_module = __import__(os.path.basename(item)[:-3])
# Add the export to the dictionary
# The key is the module name
# for example, the file glances_xxx.py
# generate self._exports_list["xxx"] = ...
self._exports[export_name] = export_module.Export(args=args, config=self.config)
# Log plugins list
logger.debug("Available exports modules list: {0}".format(self.getAllExports()))
return True
def __init__(self, config=None, args=None, timeout=7, return_to_browser=False):
# Store the arg/config
self.args = args
self.config = config
# Default client mode
self._client_mode = 'glances'
# Return to browser or exit
self.return_to_browser = return_to_browser
# Build the URI
if args.password != "":
uri = 'http://{0}:{1}@{2}:{3}'.format(args.username, args.password,
args.client, args.port)
else:
uri = 'http://{0}:{1}'.format(args.client, args.port)
logger.debug("Try to connect to {0}".format(uri))
# Try to connect to the URI
transport = GlancesClientTransport()
# Configure the server timeout
transport.set_timeout(timeout)
try:
self.client = ServerProxy(uri, transport=transport)
except Exception as e:
self.log_and_exit("Client couldn't create socket {0}: {1}".format(uri, e))
def update(self, servers_list):
"""Update the servers' list screen.
Wait for __refresh_time sec / catch key every 100 ms.
servers_list: Dict of dict with servers stats
"""
# Flush display
logger.debug("Servers list: {}".format(servers_list))
self.flush(servers_list)
# Wait
exitkey = False
countdown = Timer(self.__refresh_time)
while not countdown.finished() and not exitkey:
# Getkey
pressedkey = self.__catch_key(servers_list)
# Is it an exit or select server key ?
exitkey = pressedkey == ord("\x1b") or pressedkey == ord("q") or pressedkey == 10
if not exitkey and pressedkey > -1:
# Redraw display
self.flush(servers_list)
# Wait 100ms...
curses.napms(100)
return self.active_server
def __init__(self,
config=None,
args=None,
timeout=7,
return_to_browser=False):
# Store the arg/config
self.args = args
self.config = config
# Client mode:
self.set_mode()
# Return to browser or exit
self.return_to_browser = return_to_browser
# Build the URI
if args.password != "":
uri = 'http://{0}:{1}@{2}:{3}'.format(args.username, args.password,
args.client, args.port)
else:
uri = 'http://{0}:{1}'.format(args.client, args.port)
logger.debug("Try to connect to {0}".format(uri))
# Try to connect to the URI
transport = GlancesClientTransport()
# Configure the server timeout
transport.set_timeout(timeout)
try:
self.client = ServerProxy(uri, transport=transport)
except Exception as e:
self.log_and_exit("Client couldn't create socket {0}: {1}".format(
uri, e))
def update(self):
"""Update IP stats using the input method.
Stats is dict
"""
# Reset stats
self.reset()
if self.input_method == 'local' and netifaces_tag:
# Update stats using the netifaces lib
try:
if not 'freebsd' in sys.platform:
default_gw = netifaces.gateways()['default'][netifaces.AF_INET]
else:
raise KeyError, 'On FreeBSD, Calling gateways would segfault'
except KeyError:
logger.debug("Can not grab the default gateway")
else:
try:
self.stats['address'] = netifaces.ifaddresses(default_gw[1])[netifaces.AF_INET][0]['addr']
self.stats['mask'] = netifaces.ifaddresses(default_gw[1])[netifaces.AF_INET][0]['netmask']
self.stats['mask_cidr'] = self.ip_to_cidr(self.stats['mask'])
if not 'freebsd' in sys.platform:
self.stats['gateway'] = netifaces.gateways()['default'][netifaces.AF_INET][0]
except KeyError as e:
logger.debug("Can not grab IP information (%s)".format(e))
elif self.input_method == 'snmp':
# Not implemented yet
pass
# Update the view
self.update_views()
return self.stats
def update(self):
"""Update IP stats using the input method.
Stats is dict
"""
# Reset stats
self.reset()
if self.input_method == 'local' and netifaces_tag:
# Update stats using the netifaces lib
try:
default_gw = netifaces.gateways()['default'][netifaces.AF_INET]
except KeyError:
logger.debug("Can not grab the default gateway")
else:
try:
self.stats['address'] = netifaces.ifaddresses(default_gw[1])[netifaces.AF_INET][0]['addr']
self.stats['mask'] = netifaces.ifaddresses(default_gw[1])[netifaces.AF_INET][0]['netmask']
self.stats['mask_cidr'] = self.ip_to_cidr(self.stats['mask'])
self.stats['gateway'] = netifaces.gateways()['default'][netifaces.AF_INET][0]
except KeyError as e:
logger.debug("Can not grab IP information (%s)".format(e))
elif self.input_method == 'snmp':
# Not implemented yet
pass
# Update the view
self.update_views()
return self.stats
def load_exports(self, args=None):
"""Load all exports module in the 'exports' folder."""
if args is None:
return False
header = "glances_"
# Transform the arguments list into a dict
# The aim is to chec if the export module should be loaded
args_var = vars(locals()['args'])
for item in os.listdir(exports_path):
export_name = os.path.basename(item)[len(header):-3].lower()
if (item.startswith(header) and
item.endswith(".py") and
item != (header + "export.py") and
item != (header + "history.py") and
args_var['export_' + export_name] is not None and
args_var['export_' + export_name] is not False):
# Import the export module
export_module = __import__(os.path.basename(item)[:-3])
# Add the export to the dictionary
# The key is the module name
# for example, the file glances_xxx.py
# generate self._exports_list["xxx"] = ...
self._exports[export_name] = export_module.Export(args=args, config=self.config)
# Log plugins list
logger.debug("Available exports modules list: {0}".format(self.getExportList()))
return True
def load_conf(self, section="opentsdb"):
"""Load the OpenTSDB configuration in the Glances configuration file."""
if self.config is None:
return False
try:
self.host = self.config.get_value(section, 'host')
self.port = self.config.get_value(section, 'port')
except NoSectionError:
logger.critical("No OpenTSDB configuration found")
return False
except NoOptionError as e:
logger.critical("Error in the OpenTSDB configuration (%s)" % e)
return False
else:
logger.debug("Load OpenTSDB from the Glances configuration file")
# Prefix is optional
try:
self.prefix = self.config.get_value(section, 'prefix')
except NoOptionError:
pass
# Tags are optional, comma separated key:value pairs.
try:
self.tags = self.config.get_value(section, 'tags')
except NoOptionError:
self.tags = ''
return True
def export(self, name, columns, points):
"""Write the points to the InfluxDB server."""
logger.debug("Export {0} stats to InfluxDB".format(name))
# Manage prefix
if self.prefix is not None:
name = self.prefix + '.' + name
# logger.info(self.prefix)
# Create DB input
new_col = []
for col in columns:
if col[0:2] == "/.":
new_col.append(col[2:])
else:
new_col.append(col)
if self.version == INFLUXDB_09:
data = [{'measurement': name,
'tags': self.tags,
'fields': dict(zip(new_col, points))}]
else:
data = [{'name': name, 'columns': new_col, 'points': [points]}]
# Write input to the InfluxDB database
try:
self.client.write_points(data)
except Exception as e:
logger.error("Cannot export {0} stats to InfluxDB ({1})".format(name, e))
def reset_stats_history(self):
"""Reset the stats history (dict of list)."""
if self.args is not None and self.args.enable_history and self.get_items_history_list() is not None:
reset_list = [i['name'] for i in self.get_items_history_list()]
logger.debug("Reset history for plugin {0} (items: {0})".format(
self.plugin_name, reset_list))
self.stats_history = {}
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 export(self, name, columns, points):
"""Write the points to the InfluxDB server."""
logger.debug("Export {0} stats to InfluxDB".format(name))
# Manage prefix
if self.prefix is not None:
name = self.prefix + '.' + name
# logger.info(self.prefix)
# Create DB input
new_col = []
for col in columns:
if col[0:2] == "/.":
new_col.append(col[2:])
else:
new_col.append(col)
if self.version == INFLUXDB_09:
data = [{
'measurement': name,
'tags': self.tags,
'fields': dict(zip(new_col, points))
}]
else:
data = [{'name': name, 'columns': new_col, 'points': [points]}]
# Write input to the InfluxDB database
from pprint import pprint
pprint(data)
pprint(self.tags)
try:
self.client.write_points(data)
except Exception as e:
logger.error("Cannot export {0} stats to InfluxDB ({1})".format(
name, e))
def update(self, servers_list):
"""Update the servers' list screen.
Wait for __refresh_time sec / catch key every 100 ms.
servers_list: Dict of dict with servers stats
"""
# Flush display
logger.debug('Servers list: {0}'.format(servers_list))
self.flush(servers_list)
# Wait
exitkey = False
countdown = Timer(self.__refresh_time)
while not countdown.finished() and not exitkey:
# Getkey
pressedkey = self.__catch_key(servers_list)
# Is it an exit or select server key ?
exitkey = (pressedkey == ord('\x1b') or pressedkey == ord('q')
or pressedkey == 10)
if not exitkey and pressedkey > -1:
# Redraw display
self.flush(servers_list)
# Wait 100ms...
curses.napms(100)
return self.active_server
def reset_stats_history(self):
"""Reset the stats history (dict of list)."""
if self.args is not None and self.args.enable_history and self.get_items_history_list(
) is not None:
reset_list = [i['name'] for i in self.get_items_history_list()]
logger.debug("Reset history for plugin {0} (items: {0})".format(
self.plugin_name, reset_list))
self.stats_history = {}
def init_stats_history(self):
"""Init the stats history (dict of list)."""
ret = None
if self.args is not None and self.args.enable_history and self.get_items_history_list() is not None:
init_list = [i['name'] for i in self.get_items_history_list()]
logger.debug("Stats history activated for plugin {0} (items: {0})".format(
self.plugin_name, init_list))
ret = {}
return ret
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 get_docker_cpu(self, container_id, all_stats):
"""Return the container CPU usage.
Input: id is the full container id
all_stats is the output of the stats method of the Docker API
Output: a dict {'total': 1.49}
"""
cpu_new = {}
ret = {'total': 0.0}
# Read the stats
# For each container, you will find a pseudo-file cpuacct.stat,
# containing the CPU usage accumulated by the processes of the container.
# Those times are expressed in ticks of 1/USER_HZ of a second.
# On x86 systems, USER_HZ is 100.
try:
cpu_new['total'] = all_stats['cpu_stats']['cpu_usage'][
'total_usage']
cpu_new['system'] = all_stats['cpu_stats']['system_cpu_usage']
cpu_new['nb_core'] = len(
all_stats['cpu_stats']['cpu_usage']['percpu_usage'])
except KeyError as e:
# all_stats do not have CPU information
logger.debug(
"Can not grab CPU usage for container {0} ({1})".format(
container_id, e))
else:
# Previous CPU stats stored in the cpu_old variable
if not hasattr(self, 'cpu_old'):
# First call, we init the cpu_old variable
self.cpu_old = {}
try:
self.cpu_old[container_id] = cpu_new
except (IOError, UnboundLocalError):
pass
if container_id not in self.cpu_old:
try:
self.cpu_old[container_id] = cpu_new
except (IOError, UnboundLocalError):
pass
else:
#
cpu_delta = float(cpu_new['total'] -
self.cpu_old[container_id]['total'])
system_delta = float(cpu_new['system'] -
self.cpu_old[container_id]['system'])
if cpu_delta > 0.0 and system_delta > 0.0:
ret['total'] = (cpu_delta / system_delta) * float(
cpu_new['nb_core']) * 100
# Save stats to compute next stats
self.cpu_old[container_id] = cpu_new
# Return the stats
return ret
def get_docker_network(self, container_id, all_stats):
"""Return the container network usage using the Docker API (v1.0 or higher).
Input: id is the full container id
Output: a dict {'time_since_update': 3000, 'rx': 10, 'tx': 65}.
with:
time_since_update: number of seconds elapsed between the latest grab
rx: Number of byte received
tx: Number of byte transmited
"""
# Init the returned dict
network_new = {}
# Read the rx/tx stats (in bytes)
try:
netcounters = all_stats["network"]
except KeyError as e:
# all_stats do not have NETWORK information
logger.debug(
"Can not grab NET usage for container {0} ({1})".format(
container_id, e))
# No fallback available...
return network_new
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'inetcounters_old'):
# First call, we init the network_old var
self.netcounters_old = {}
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
if container_id not in self.netcounters_old:
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
network_new['time_since_update'] = getTimeSinceLastUpdate(
'docker_net_{0}'.format(container_id))
network_new['rx'] = netcounters["rx_bytes"] - self.netcounters_old[
container_id]["rx_bytes"]
network_new['tx'] = netcounters["tx_bytes"] - self.netcounters_old[
container_id]["tx_bytes"]
network_new['cumulative_rx'] = netcounters["rx_bytes"]
network_new['cumulative_tx'] = netcounters["tx_bytes"]
# Save stats to compute next bitrate
self.netcounters_old[container_id] = netcounters
# Return the stats
return network_new
def export(self, input_stats={}):
"""Export all the stats.
Each export module is ran in a dedicated thread."""
# threads = []
for e in self._exports:
logger.debug("Export stats using the %s module" % e)
thread = threading.Thread(target=self._exports[e].update,
args=(input_stats, ))
# threads.append(thread)
thread.start()
def __init__(self):
"""Init batteries stats."""
try:
self.bat = batinfo.batteries()
self.initok = True
self.bat_list = []
self.update()
except Exception as e:
self.initok = False
logger.debug("Cannot init GlancesGrabBat class (%s)" % e)
def export(self, input_stats={}):
"""Export all the stats.
Each export module is ran in a dedicated thread."""
# threads = []
for e in self._exports:
logger.debug("Export stats using the %s module" % e)
thread = threading.Thread(target=self._exports[e].update,
args=(input_stats,))
# threads.append(thread)
thread.start()
def __init__(self, config):
"""Init the monitoring list from the configuration file, if it exists."""
self.config = config
if self.config is not None and self.config.has_section('monitor'):
# Process monitoring list
logger.debug("Monitor list configuration detected")
self.__set_monitor_list('monitor', 'list')
else:
self.__monitor_list = []
def __init__(self):
"""Init batteries stats."""
try:
self.bat = batinfo.batteries()
self.initok = True
self.bat_list = []
self.update()
except Exception as e:
self.initok = False
logger.debug("Cannot init GlancesGrabBat class (%s)" % e)
def __init__(self, config):
"""Init the monitoring list from the configuration file, if it exists."""
self.config = config
if self.config is not None and self.config.has_section('monitor'):
# Process monitoring list
logger.debug("Monitor list configuration detected")
self.__set_monitor_list('monitor', 'list')
else:
self.__monitor_list = []
def get_docker_cpu(self, container_id, all_stats):
"""Return the container CPU usage.
Input: id is the full container id
all_stats is the output of the stats method of the Docker API
Output: a dict {'total': 1.49}
"""
cpu_new = {}
ret = {'total': 0.0}
# Read the stats
# For each container, you will find a pseudo-file cpuacct.stat,
# containing the CPU usage accumulated by the processes of the container.
# Those times are expressed in ticks of 1/USER_HZ of a second.
# On x86 systems, USER_HZ is 100.
try:
cpu_new['total'] = all_stats['cpu_stats']['cpu_usage']['total_usage']
cpu_new['system'] = all_stats['cpu_stats']['system_cpu_usage']
cpu_new['nb_core'] = len(all_stats['cpu_stats']['cpu_usage']['percpu_usage'])
except KeyError as e:
# all_stats do not have CPU information
logger.debug("Can not grab CPU usage for container {0} ({1}). Trying fallback method.".format(container_id, e))
# Trying fallback to old grab method
ret = self.get_docker_cpu_old(container_id)
# Get the user ticks
ticks = self.get_user_ticks()
for k in ret.keys():
ret[k] = float(ret[k]) / ticks
else:
# Previous CPU stats stored in the cpu_old variable
if not hasattr(self, 'cpu_old'):
# First call, we init the cpu_old variable
self.cpu_old = {}
try:
self.cpu_old[container_id] = cpu_new
except (IOError, UnboundLocalError):
pass
if container_id not in self.cpu_old:
try:
self.cpu_old[container_id] = cpu_new
except (IOError, UnboundLocalError):
pass
else:
#
cpu_delta = float(cpu_new['total'] - self.cpu_old[container_id]['total'])
system_delta = float(cpu_new['system'] - self.cpu_old[container_id]['system'])
if cpu_delta > 0.0 and system_delta > 0.0:
ret['total'] = (cpu_delta / system_delta) * float(cpu_new['nb_core']) * 100
# Save stats to compute next stats
self.cpu_old[container_id] = cpu_new
# Return the stats
return ret
def init_stats_history(self):
"""Init the stats history (dict of list)"""
ret = None
if self.args is not None and self.args.enable_history and self.get_items_history_list(
) is not None:
init_list = [i['name'] for i in self.get_items_history_list()]
logger.debug(
"Stats history activated for plugin {0} (items: {0})".format(
self.plugin_name, init_list))
ret = {}
return ret
def get_export(self):
"""Overwrite the default export method.
- Only exports containers
- The key is the first container name
"""
ret = []
try:
ret = self.stats['containers']
except KeyError as e:
logger.debug("Docker export error {0}".format(e))
return ret
def export(self, name, columns, points):
"""Export the stats to the Statsd server."""
for i in range(0, len(columns)):
if not isinstance(points[i], Number):
continue
stat_name = '{0}.{1}.{2}'.format(self.prefix, name, columns[i])
stat_value = points[i]
try:
self.client.send(stat_name, stat_value, **self.tags)
except Exception as e:
logger.error("Can not export stats %s to OpenTSDB (%s)" % (name, e))
logger.debug("Export {0} stats to OpenTSDB".format(name))
def export(self, name, columns, points):
"""Export the stats to the Statsd server."""
for i in range(0, len(columns)):
if not isinstance(points[i], Number):
continue
stat_name = '{0}.{1}'.format(name, columns[i])
stat_value = points[i]
try:
self.client.gauge(stat_name, stat_value)
except Exception as e:
logger.error("Can not export stats to Statsd (%s)" % e)
logger.debug("Export {0} stats to Statsd".format(name))
def remove_server(self, name):
"""Remove a server from the dict."""
for i in self._server_list:
if i['key'] == name:
try:
self._server_list.remove(i)
logger.debug("Remove server %s from the list" % name)
logger.debug("Updated servers list (%s servers): %s" % (
len(self._server_list), self._server_list))
except ValueError:
logger.error(
"Cannot remove server %s from the list" % name)
def get_export(self):
"""Overwrite the default export method.
- Only exports containers
- The key is the first container name
"""
ret = []
try:
ret = self.stats['containers']
except KeyError as e:
logger.debug("Docker export error {0}".format(e))
return ret
def remove_server(self, name):
"""Remove a server from the dict"""
for i in self._server_list:
if i['key'] == name:
try:
self._server_list.remove(i)
logger.debug("Remove server %s from the list" % name)
logger.debug("Updated servers list (%s servers): %s" % (
len(self._server_list), self._server_list))
except ValueError:
logger.error(
"Cannot remove server %s from the list" % name)
def export(self, name, columns, points):
"""Export the stats to the Statsd server."""
for i in range(0, len(columns)):
if not isinstance(points[i], Number):
continue
stat_name = '{0}.{1}'.format(name, columns[i])
stat_value = points[i]
try:
self.client.gauge(stat_name, stat_value)
except Exception as e:
logger.error("Can not export stats to Statsd (%s)" % e)
logger.debug("Export {0} stats to Statsd".format(name))
def load_limits(self, config):
"""Load limits from the configuration file, if it exists."""
if (hasattr(config, 'has_section') and
config.has_section(self.plugin_name)):
for level, _ in config.items(self.plugin_name):
# Read limits
limit = '_'.join([self.plugin_name, level])
try:
self._limits[limit] = config.get_float_value(self.plugin_name, level)
except ValueError:
self._limits[limit] = config.get_value(self.plugin_name, level).split(",")
logger.debug("Load limit: {0} = {1}".format(limit, self._limits[limit]))
def get(self, sensor_type='temperature_core'):
"""Get sensors list."""
self.__update__()
if sensor_type == 'temperature_core':
ret = [s for s in self.sensors_list if s['unit'] == SENSOR_TEMP_UNIT]
elif sensor_type == 'fan_speed':
ret = [s for s in self.sensors_list if s['unit'] == SENSOR_FAN_UNIT]
else:
# Unknown type
logger.debug("Unknown sensor type %s" % sensor_type)
ret = []
return ret
def __init__(self, docker_client, container_id):
"""Init the class:
docker_client: instance of Docker-py client
container_id: Id of the container"""
logger.debug("docker plugin - Create thread for container {0}".format(container_id[:12]))
super(ThreadDockerGrabber, self).__init__()
# Event needed to stop properly the thread
self._stopper = threading.Event()
# The docker-py return stats as a stream
self._container_id = container_id
self._stats_stream = docker_client.stats(container_id, decode=True)
# The class return the stats as a dict
self._stats = {}
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 wrapper(*args, **kw):
ret = fct(*args, **kw)
if is_py3:
logger.debug("%s %s %s return %s" % (
args[0].__class__.__name__,
args[0].__class__.__module__[len('glances_'):],
fct.__name__, ret))
else:
logger.debug("%s %s %s return %s" % (
args[0].__class__.__name__,
args[0].__class__.__module__[len('glances_'):],
fct.func_name, ret))
return ret
def wrapper(*args, **kw):
ret = fct(*args, **kw)
if is_py3:
logger.debug("%s %s %s return %s" %
(args[0].__class__.__name__,
args[0].__class__.__module__[len('glances_'):],
fct.__name__, ret))
else:
logger.debug("%s %s %s return %s" %
(args[0].__class__.__name__,
args[0].__class__.__module__[len('glances_'):],
fct.func_name, ret))
return ret
def __init__(self, config=None, args=None):
"""Init the export class."""
# Export name (= module name without glances_)
self.export_name = self.__class__.__module__[len('glances_'):]
logger.debug("Init export interface %s" % self.export_name)
# Init the config & args
self.config = config
self.args = args
# By default export is disable
# Had to be set to True in the __init__ class of child
self.export_enable = False
def export(self, name, columns, points):
"""Export the stats to the Statsd server."""
for i in range(0, len(columns)):
if not isinstance(points[i], Number):
continue
stat_name = '{0}.{1}.{2}'.format(self.prefix, name, columns[i])
stat_value = points[i]
try:
self.client.send(stat_name, stat_value, **self.tags)
except Exception as e:
logger.error("Can not export stats %s to OpenTSDB (%s)" %
(name, e))
logger.debug("Export {0} stats to OpenTSDB".format(name))
def __init__(self, config=None, args=None):
"""Init the export class."""
# Export name (= module name without glances_)
self.export_name = self.__class__.__module__[len('glances_'):]
logger.debug("Init export interface %s" % self.export_name)
# Init the config & args
self.config = config
self.args = args
# By default export is disable
# Had to be set to True in the __init__ class of child
self.export_enable = False
def __init__(self, docker_client, container_id):
"""Init the class:
docker_client: instance of Docker-py client
container_id: Id of the container"""
logger.debug("docker plugin - Create thread for container {0}".format(container_id[:12]))
super(ThreadDockerGrabber, self).__init__()
# Event needed to stop properly the thread
self._stopper = threading.Event()
# The docker-py return stats as a stream
self._container_id = container_id
self._stats_stream = docker_client.stats(container_id, decode=True)
# The class return the stats as a dict
self._stats = {}
def get_docker_network(self, container_id, all_stats):
"""Return the container network usage using the Docker API (v1.0 or higher).
Input: id is the full container id
Output: a dict {'time_since_update': 3000, 'rx': 10, 'tx': 65}.
with:
time_since_update: number of seconds elapsed between the latest grab
rx: Number of byte received
tx: Number of byte transmited
"""
# Init the returned dict
network_new = {}
# Read the rx/tx stats (in bytes)
try:
netcounters = all_stats["network"]
except KeyError as e:
# all_stats do not have NETWORK information
logger.debug("Can not grab NET usage for container {0} ({1})".format(container_id, e))
# No fallback available...
return network_new
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'inetcounters_old'):
# First call, we init the network_old var
self.netcounters_old = {}
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
if container_id not in self.netcounters_old:
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
network_new['time_since_update'] = getTimeSinceLastUpdate('docker_net_{0}'.format(container_id))
network_new['rx'] = netcounters["rx_bytes"] - self.netcounters_old[container_id]["rx_bytes"]
network_new['tx'] = netcounters["tx_bytes"] - self.netcounters_old[container_id]["tx_bytes"]
network_new['cumulative_rx'] = netcounters["rx_bytes"]
network_new['cumulative_tx'] = netcounters["tx_bytes"]
# Save stats to compute next bitrate
self.netcounters_old[container_id] = netcounters
# Return the stats
return network_new
def get_key(self, window):
# Catch ESC key AND numlock key (issue #163)
keycode = [0, 0]
keycode[0] = window.getch()
keycode[1] = window.getch()
if keycode != [-1, -1]:
logger.debug("Keypressed (code: %s)" % keycode)
if keycode[0] == 27 and keycode[1] != -1:
# Do not escape on specials keys
return -1
else:
return keycode[0]
def add_server(self, name, ip, port):
"""Add a new server to the list"""
new_server = {'key': name, # Zeroconf name with both hostname and port
'name': name.split(':')[0], # Short name
'ip': ip, # IP address seen by the client
'port': port, # TCP port
'username': '******', # Default username
'password': '', # Default password
'status': 'UNKNOWN', # Server status: 'UNKNOWN', 'OFFLINE', 'ONLINE', 'PROTECTED'
'type': 'DYNAMIC', # Server type: 'STATIC' or 'DYNAMIC'
}
self._server_list.append(new_server)
logger.debug("Updated servers list (%s servers): %s" %
(len(self._server_list), self._server_list))
def set_plugins(self, input_plugins):
"""Set the plugin list according to the Glances server."""
header = "glances_"
for item in input_plugins:
# Import the plugin
plugin = __import__(header + item)
# Add the plugin to the dictionary
# The key is the plugin name
# for example, the file glances_xxx.py
# generate self._plugins_list["xxx"] = ...
logger.debug("Server uses {0} plugin".format(item))
self._plugins[item] = plugin.Plugin()
# Restoring system path
sys.path = sys_path
def set_plugins(self, input_plugins):
"""Set the plugin list according to the Glances server."""
header = "glances_"
for item in input_plugins:
# Import the plugin
plugin = __import__(header + item)
# Add the plugin to the dictionary
# The key is the plugin name
# for example, the file glances_xxx.py
# generate self._plugins_list["xxx"] = ...
logger.debug("Server uses {0} plugin".format(item))
self._plugins[item] = plugin.Plugin()
# Restoring system path
sys.path = sys_path
def export(self, name, columns, points):
"""Write the points in RabbitMQ."""
data = ('hostname=' + self.hostname + ', name=' + name +
', dateinfo=' + datetime.datetime.utcnow().isoformat())
for i in range(0, len(columns)):
if not isinstance(points[i], Number):
continue
else:
data += ", " + columns[i] + "=" + str(points[i])
logger.debug(data)
try:
self.client.basic_publish(exchange='', routing_key=self.rabbitmq_queue, body=data)
except Exception as e:
logger.error("Can not export stats to RabbitMQ (%s)" % e)
def add_server(self, name, ip, port):
"""Add a new server to the list."""
new_server = {
'key': name, # Zeroconf name with both hostname and port
'name': name.split(':')[0], # Short name
'ip': ip, # IP address seen by the client
'port': port, # TCP port
'username': '******', # Default username
'password': '', # Default password
'status': 'UNKNOWN', # Server status: 'UNKNOWN', 'OFFLINE', 'ONLINE', 'PROTECTED'
'type': 'DYNAMIC'} # Server type: 'STATIC' or 'DYNAMIC'
self._server_list.append(new_server)
logger.debug("Updated servers list (%s servers): %s" %
(len(self._server_list), self._server_list))
def connect(self, version=None):
"""Connect to the Docker server"""
# Init connection to the Docker API
try:
if version is None:
ret = docker.Client(base_url='unix://var/run/docker.sock')
else:
ret = docker.Client(base_url='unix://var/run/docker.sock',
version=version)
except NameError:
# docker lib not found
return None
try:
ret.version()
except requests.exceptions.ConnectionError as e:
# Connexion error (Docker not detected)
# Let this message in debug mode
logger.debug("Can't connect to the Docker server (%s)" % e)
return None
except docker.errors.APIError as e:
if version is None:
# API error (Version mismatch ?)
logger.debug("Docker API error (%s)" % e)
# Try the connection with the server version
import re
version = re.search('server\:\ (.*)\)\".*\)', str(e))
if version:
logger.debug("Try connection with Docker API version %s" %
version.group(1))
ret = self.connect(version=version.group(1))
else:
logger.debug("Can not retreive Docker server version")
ret = None
else:
# API error
logger.error("Docker API error (%s)" % e)
ret = None
except Exception as e:
# Others exceptions...
# Connexion error (Docker not detected)
logger.error("Can't connect to the Docker server (%s)" % e)
ret = None
# Log an info if Docker plugin is disabled
if ret is None:
logger.debug(
"Docker plugin is disable because an error has been detected")
return ret
def fetch(self):
"""Fetch the data from hddtemp daemon."""
# Taking care of sudden deaths/stops of hddtemp daemon
try:
sck = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sck.connect((self.host, self.port))
data = sck.recv(4096)
sck.close()
except socket.error as e:
logger.warning("Can not connect to an HDDtemp server ({0}:{1} => {2})".format(self.host, self.port, e))
logger.debug("Disable the HDDtemp module. Use the --disable-hddtemp to hide the previous message.")
self.args.disable_hddtemp = True
data = ""
return data
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 load_limits(self, config):
"""Load limits from the configuration file, if it exists."""
if (hasattr(config, 'has_section')
and config.has_section(self.plugin_name)):
for level, _ in config.items(self.plugin_name):
# Read limits
limit = '_'.join([self.plugin_name, level])
try:
self._limits[limit] = config.get_float_value(
self.plugin_name, level)
except ValueError:
self._limits[limit] = config.get_value(
self.plugin_name, level).split(",")
logger.debug("Load limit: {0} = {1}".format(
limit, self._limits[limit]))
def load_limits(self, config):
"""Load the limits from the configuration file."""
if (hasattr(config, 'has_section')
and config.has_section(self.plugin_name)):
for s, v in config.items(self.plugin_name):
# Read limits
try:
self.limits[self.plugin_name + '_' +
s] = config.get_option(self.plugin_name, s)
except ValueError:
self.limits[self.plugin_name + '_' +
s] = config.get_raw_option(
self.plugin_name, s).split(",")
logger.debug("Load limit: {0} = {1}".format(
self.plugin_name + '_' + s,
self.limits[self.plugin_name + '_' + s]))
