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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Glances - An eye on your system
#
# Copyright (C) 2014 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Import system libs
import sys
import os
import argparse
# Import Glances libs
# !!! Todo: rename class
# GlancesExemple
from glances.core.glances_globals import __appname__, __version__, __author__, __license__
from glances.core.glances_globals import *
from glances.core.glances_config import Config
from glances.core.glances_stats import GlancesStats, GlancesStatsServer
class GlancesMain(object):
"""
Main class to manage Glances instance
"""
# Default stats' refresh time is 3 seconds
refresh_time = 3
# Set the default cache lifetime to 1 second (only for server)
# !!! Todo: configuration from the command line
cached_time = 1
# Default network bitrate is display in bit per second
network_bytepersec_tag = False
# Display (or not) module
# diskio_tag = True
# fs_tag = True
# hddtemp_flag = True
# network_tag = True
# sensors_tag = True
process_tag = True
# Display property
use_bold = True
percpu_tag = False
# Default configuration file
conf_file_tag = True
conf_file = ""
# Bind IP address (default is all interfaces)
bind_ip = "0.0.0.0"
# By default, Glances is ran in standalone mode (no client/server)
client_tag = False
server_tag = False
# Server IP address (no default value)
server_ip = None
# Server TCP port number (default is 61209)
server_port = 61209
# Default username/password for client/server mode
username = "glances"
password = ""
# Output type
output_list = ['html', 'csv']
output_file = None
output_folder = None
def __init__(self):
# Init and manage command line arguments
self.init_arg()
self.args = self.parse_arg()
# !!! Why did not use the global glances_logs instance ?
# Init the configuration file object
if (self.conf_file_tag):
# Init
self.config = Config(self.conf_file)
else:
self.config = Config()
# Load the configuration file
self.config.load()
def init_arg(self):
"""
Init all the command line arguments
"""
self.parser = argparse.ArgumentParser(
prog=__appname__,
description='Glances, an eye on your system.')
# Version
self.parser.add_argument('-v', '--version',
action='version',
version=_('%s v%s with PsUtil v%s')
% (__appname__.capitalize(), __version__, psutil_version))
# Client mode: set the client IP/name
self.parser.add_argument('-C', '--config',
help=_('path to the configuration file'))
# Refresh time
self.parser.add_argument('-t', '--time',
help=_('set refresh time in seconds (default: %s sec)') % self.refresh_time,
type=int)
# Network bitrate in byte per second (default is bit per second)
self.parser.add_argument('-b', '--byte',
help=_('display network rate in byte per second (default is bit per second)'),
action='store_true')
# Disable DiskIO module
self.parser.add_argument('--disable_diskio',
help=_('disable disk I/O module'),
action='store_true')
# Disable mount module
self.parser.add_argument('--disable_fs',
help=_('disable file system (mount) module'),
action='store_true')
# Disable network module
self.parser.add_argument('--disable_network',
help=_('disable network module'),
action='store_true')
# Enable sensors module
self.parser.add_argument('--disable_sensors',
help=_('disable sensors module'),
action='store_true')
# Disable process module
self.parser.add_argument('--disable_process',
help=_('disable process module'),
action='store_true')
# Disable log module
self.parser.add_argument('--disable_log',
help=_('disable log module'),
action='store_true')
# Bold attribute for Curse display (not supported by all terminal)
self.parser.add_argument('-z', '--no_bold',
help=_('disable bold mode in the terminal'),
action='store_false')
# Per CPU display tag
self.parser.add_argument('-1', '--percpu',
help=_('start Glances in per CPU mode)'),
action='store_true')
# Client mode: set the client IP/name
self.parser.add_argument('-c', '--client',
help=_('connect to a Glances server by IPv4/IPv6 address or hostname'))
# Server mode
self.parser.add_argument('-s', '--server',
help=_('run Glances in server mode'),
action='store_true')
# Server bind IP/name
self.parser.add_argument('-B', '--bind',
help=_('bind server to the given IPv4/IPv6 address or hostname'))
# Server TCP port
self.parser.add_argument('-p', '--port',
help=_('define the server TCP port (default: %d)') % self.server_port,
type=int)
# Password as an argument
self.parser.add_argument('-P', '--password_arg',
help=_('define a client/server password'))
# Password interactive
self.parser.add_argument('--password',
help=_('define a client/server password from the prompt'),
action='store_true')
# Output type
self.parser.add_argument('-o', '--output',
help=_('define additional output %s') % self.output_list,
choices=self.output_list)
# Define output type flag to False (default is no output)
for o in self.output_list:
setattr(self, o + "_tag", False)
# Output file/folder
self.parser.add_argument('-f', '--file',
help=_('set the html output folder or csv file'))
def parse_arg(self):
"""
Parse command line argument
"""
args = self.parser.parse_args()
# Default refresh time is 3 seconds
if (args.time is None): args.time = 3
# By default Help is hidden
args.help_tag = False
# !!! Change global variables regarding to user args
# !!! To be refactor to use directly the args list in the code
if (args.time is not None): self.refresh_time = args.time
self.network_bytepersec_tag = args.byte
# self.diskio_tag = args.disable_diskio
# self.fs_tag = args.disable_mount
# self.hddtemp_flag = args.disable_hddtemp
# self.network_tag = args.disable_network
self.process_tag = args.disable_process
# self.sensors_tag = args.disable_sensors and is_Linux # and sensors_lib_tag
self.use_bold = args.no_bold
self.percpu_tag = args.percpu
if (args.config is not None):
self.conf_file_tag = True
self.conf_file = args.config
if (args.bind is not None): self.bind_ip = args.bind
if (args.client is not None):
self.client_tag = True
self.server_ip = args.client
self.server_tag = args.server
if (args.port is not None): self.server_port = args.port
if (args.password_arg is not None): self.password = args.password_arg
if (args.password):
if (self.server_tag):
self.password = self.__get_password(
description=_("Define the password for the Glances server"),
confirm=True)
elif (self.client_tag):
self.password = self.__get_password(
description=_("Enter the Glances server password"),
confirm=False)
if (args.output is not None):
setattr(self, args.output+"_tag", True)
if (args.file is not None):
output_file = args.file
output_folder = args.file
# /!!!
return args
def __get_password(self, description='', confirm=False):
"""
Read a password from the command line (with confirmation if confirm = True)
"""
import getpass
if description != '':
sys.stdout.write("%s\n" % description)
password1 = getpass.getpass(_("Password: "))
if confirm:
password2 = getpass.getpass(_("Password (confirm): "))
else:
return password1
if password1 == password2:
return password1
else:
sys.stdout.write(_("[Warning] Passwords did not match, please try again...\n"))
return self.__get_password(description=description, confirm=confirm)
def is_standalone(self):
"""
Return True if Glances is running in standalone mode
"""
return not self.client_tag and not self.server_tag
def is_client(self):
"""
Return True if Glances is running in client mode
"""
return self.client_tag and not self.server_tag
def is_server(self):
"""
Return True if Glances is running in sserver mode
"""
return not self.client_tag and self.server_tag
def get_config(self):
"""
Return configuration file object
"""
return self.config
def get_args(self):
"""
Return the arguments
"""
return self.args
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