nut/scripts/python/app/NUT-Monitor

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2010-03-25 23:20:59 +00:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (C) 2008 David Goncalves <david@lestat.st>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# 2008-02-01 David Goncalves
# A gui to monitor UPSes via NUT using PyNUT class.
# 2009-02-12 David Goncalves
# Modified the status report method to allow 'composite' UPS status
# ( OL + TRIM, OL + OFF, etc... )
import gtk, gtk.glade, gobject, pango
import sys, os, time
import threading
import PyNUT
# Activate use of threadings
gobject.threads_init()
class gui :
__widgets = {}
__callbacks = {}
__ups_handler = None
__ups_thread = None
__ups_name = ""
__ups_commands = list()
__ups_connected = False
__version = "1.1"
__release = "2009-02-12"
def __init__( self ) :
if os.path.exists( "gui.glade" ) :
glade_file = "gui.glade"
else :
glade_file = "/usr/share/nut-monitor/gui.glade"
self.__widgets["interface"] = gtk.glade.XML( glade_file )
self.__widgets["main_window"] = self.__widgets["interface"].get_widget("window1")
self.__widgets["button_ups_refresh"] = self.__widgets["interface"].get_widget("button1")
self.__widgets["button_ups_connect"] = self.__widgets["interface"].get_widget("button2")
self.__widgets["button_ups_disconnect"] = self.__widgets["interface"].get_widget("button4")
self.__widgets["button_ups_list"] = self.__widgets["interface"].get_widget("combobox1")
self.__widgets["button_ups_command_list"] = self.__widgets["interface"].get_widget("combobox3")
self.__widgets["button_ups_command_apply"] = self.__widgets["interface"].get_widget("button3")
self.__widgets["button_authentication"] = self.__widgets["interface"].get_widget("checkbutton1")
self.__widgets["entry_login"] = self.__widgets["interface"].get_widget("entry2")
self.__widgets["entry_password"] = self.__widgets["interface"].get_widget("entry3")
self.__widgets["login_password_frame"] = self.__widgets["interface"].get_widget("hbox2")
self.__widgets["entry_host"] = self.__widgets["interface"].get_widget("entry1")
self.__widgets["entry_port"] = self.__widgets["interface"].get_widget("spinbutton1")
self.__widgets["progress_battery_charge"] = self.__widgets["interface"].get_widget("progressbar1")
self.__widgets["progress_ups_load"] = self.__widgets["interface"].get_widget("progressbar2")
self.__widgets["label_battery_runtime"] = self.__widgets["interface"].get_widget("label2")
self.__widgets["label_ups_infos_left"] = self.__widgets["interface"].get_widget("label15")
self.__widgets["label_ups_infos_right"] = self.__widgets["interface"].get_widget("label16")
self.__widgets["status_bar"] = self.__widgets["interface"].get_widget("statusbar1")
self.__widgets["ups_status_frame"] = self.__widgets["interface"].get_widget("frame1")
self.__widgets["ups_hostport_table"] = self.__widgets["interface"].get_widget("table1")
self.__widgets["main_window"].show()
# Define the callbacks
self.__callbacks = { "on_window1_destroy" : self.quit,
"on_imagemenuitem5_activate" : self.quit,
"on_imagemenuitem2_activate" : self.about,
"on_entry1_changed" : self.__host_changed,
"on_entry2_changed" : self.__login_pass_changed,
"on_entry3_changed" : self.__login_pass_changed,
"on_button1_clicked" : self.__gui_refresh_ups_list,
"on_button2_clicked" : self.__connect_to_ups,
"on_button3_clicked" : self.__apply_ups_command,
"on_button4_clicked" : self.__disconnect_from_ups,
"on_checkbutton1_toggled" : self.__use_authentication_changed
}
# Removes the dummy entry in the combobox
self.__widgets["button_ups_list"].remove_text( 0 )
self.__widgets["button_ups_command_list"].remove_text( 0 )
# Connect the callbacks
self.__widgets["interface"].signal_autoconnect( self.__callbacks )
def run( self ) :
gtk.main()
def about( self, widget=None ) :
dial = self.__widgets["interface"].get_widget( "aboutdialog1" )
dial.run()
dial.destroy()
def quit( self, widget=None ) :
try :
if self.__ups_thread.isAlive() :
self.__ups_thread.stop_thread()
self.__ups_thread.join()
except :
pass
gtk.main_quit()
def refresh_gui( self ) :
while gtk.events_pending() :
gtk.main_iteration( False )
return( True )
# If host string is modified, check if there is a value to activate the "Refresh" button.
def __host_changed( self, widget=None ) :
value = widget.get_text()
if value != "" :
self.__widgets["button_ups_refresh"].set_sensitive( True )
self.__widgets["button_authentication"].set_sensitive( True )
if self.__widgets["button_authentication"].toggled() :
self.__widgets["login_password_frame"].set_sensitive( True )
if self.__widgets["button_ups_list"].get_active() != -1 :
self.__widgets["button_ups_connect"].set_sensitive( True )
else :
self.__widgets["button_ups_refresh"].set_sensitive( False )
self.__widgets["button_ups_connect"].set_sensitive( False )
self.__widgets["button_authentication"].set_sensitive( False )
self.__widgets["login_password_frame"].set_sensitive( False )
def __use_authentication_changed( self, widget=None ) :
if widget.get_active() :
self.__widgets["login_password_frame"].set_sensitive( True )
# Clear UPS List
while self.__widgets["button_ups_list"].get_active() != -1 :
self.__widgets["button_ups_list"].remove_text( 0 )
self.__widgets["button_ups_list"].set_active( 0 )
self.__widgets["button_ups_connect"].set_sensitive( False )
if ( self.__widgets["entry_login"].get_text() == "" ) or ( self.__widgets["entry_password"].get_text() == "" ) :
self.__widgets["button_ups_refresh"].set_sensitive( False )
else :
self.__widgets["button_ups_refresh"].set_sensitive( True )
else :
self.__widgets["login_password_frame"].set_sensitive( False )
self.__widgets["button_ups_refresh"].set_sensitive( True )
def __login_pass_changed( self, widget=None ) :
# Get the values for login/pass fields in order to check that there is something typed
self.__host_changed( self.__widgets["entry_host"] )
def __gui_refresh_ups_list( self, widget=None ) :
host = self.__widgets["entry_host"].get_text()
port = int( self.__widgets["entry_port"].get_value() )
try :
# If the authentication is active, try to log into the UPS using login/password
if self.__widgets["button_authentication"].get_active() :
login = self.__widgets["entry_login"].get_text()
password = self.__widgets["entry_password"].get_text()
else :
login = None
password = None
self.__ups_handler = PyNUT.PyNUTClient( host=host, port=port, login=login, password=password )
result = self.__ups_handler.GetUPSList()
# Clear UPS List
while self.__widgets["button_ups_list"].get_active() != -1 :
self.__widgets["button_ups_list"].remove_text( 0 )
self.__widgets["button_ups_list"].set_active( 0 )
if len( result.keys() ) > 0 :
for current_ups in result.keys() :
self.__widgets["button_ups_list"].append_text( current_ups )
self.__widgets["button_ups_list"].set_active( 0 )
self.__widgets["button_ups_refresh"].set_sensitive( False )
self.__widgets["button_ups_connect"].set_sensitive( True )
self.__widgets["button_authentication"].set_sensitive( False )
self.__widgets["login_password_frame"].set_sensitive( False )
except :
self.status_message( "%s : %s" % ( sys.exc_info()[0], sys.exc_info()[1] ) )
def __gui_refresh_ups_commands( self, widget=None ) :
# Clear the command list
while self.__widgets["button_ups_command_list"].get_active() != -1 :
self.__widgets["button_ups_command_list"].remove_text( 0 )
self.__widgets["button_ups_command_list"].set_active( 0 )
self.__ups_commands = list()
try :
commands = self.__ups_handler.GetUPSCommands( self.__ups_name )
self.__ups_commands = commands.keys()
self.__ups_commands.sort()
for desc in self.__ups_commands :
self.__widgets["button_ups_command_list"].append_text( commands[desc] )
self.__widgets["button_ups_command_list"].set_active( 0 )
self.__widgets["button_ups_command_apply"].set_sensitive( True )
except :
self.__widgets["button_ups_command_apply"].set_sensitive( False )
def __disconnect_from_ups( self, widget=None ) :
if self.__ups_thread.isAlive() :
self.__ups_thread.stop_thread()
self.__ups_thread.join()
def __apply_ups_command( self, widget=None ) :
id = self.__widgets["button_ups_command_list"].get_active()
# Display a confirmation dialog
dial = gtk.MessageDialog( parent=self.__widgets["main_window"],
flags=gtk.DIALOG_MODAL,
type=gtk.MESSAGE_INFO,
buttons=gtk.BUTTONS_YES_NO,
message_format=None )
dial.set_markup( "<span size=\"x-large\"><b>Action confirmation</b></span>" )
msg = "Are you sur that you want to perform a <span foreground=\"#900000\"><b>%s</b></span> on <span foreground=\"#009000\"><b>%s</b></span> ?\n" % ( self.__ups_commands[id], self.__ups_name )
dial.format_secondary_markup( msg )
resp = dial.run()
dial.destroy()
if resp == gtk.RESPONSE_YES :
try :
self.__ups_handler.RunUPSCommand( self.__ups_name, self.__ups_commands[id] )
except :
self.error_message( "<span size=\"x-large\"><b>Send command failed</b></span>", "Something went wrong while sending command to server.\n\n<span foreground=\"#900000\">%s</span>" % sys.exc_info()[1] )
# When the 'connect' button is clicked...
def __connect_to_ups( self, widget=None ) :
# Get the selected UPS name
self.__ups_name = self.__widgets["button_ups_list"].get_active_text()
self.__ups_thread = ups_updater( self )
self.__ups_thread.start()
def error_message( self, message1 = "", message2 = "" ) :
dial = gtk.MessageDialog( parent=self.__widgets["main_window"], flags=gtk.DIALOG_MODAL, type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_CLOSE, message_format=None )
dial.set_markup( message1 )
dial.format_secondary_markup( message2 )
dial.run()
dial.destroy()
def status_message( self, message = "" ) :
context_id = self.__widgets["status_bar"].get_context_id("Infos")
message_id = self.__widgets["status_bar"].push( context_id, message )
self.refresh_gui()
class ups_updater( threading.Thread ) :
__parent_class = None
__stop_thread = False
__ups_status_mapper = { "LB" : "<span color=\"#BB0000\"><b>Low batteries</b></span>",
"RB" : "<span color=\"#FF0000\"><b>Replace batteries !</b></span>",
"BYPASS" : "<span color=\"#BB0000\">Running bypass</span> <i>(no battery protection)</i>",
"CAL" : "Performing runtime calibration",
"OFF" : "<span color=\"#000090\">output offline</span> <i>(not providing power to the load)</i>",
"OVER" : "<span color=\"#BB0000\">Overloaded !</span> <i>(there is too much load for UPS)</i>",
"TRIM" : "Triming <i>(UPS is triming incoming voltage)</i>",
"BOOST" : "Boost <i>(UPS is boosting incoming voltage)</i>"
}
def __init__( self, parent_class ) :
threading.Thread.__init__( self )
self.__parent_class = parent_class
def run( self ) :
self.__parent_class.status_message( "Connecting to %s" % self.__parent_class._gui__ups_name )
self.__parent_class._gui__gui_refresh_ups_commands()
while not self.__stop_thread :
vars = {}
try :
vars = self.__parent_class._gui__ups_handler.GetUPSVars( self.__parent_class._gui__ups_name )
self.__parent_class.status_message( "Connected to %s" % self.__parent_class._gui__ups_name )
self.__parent_class._gui__widgets["ups_status_frame"].set_sensitive( True )
self.__parent_class._gui__widgets["ups_hostport_table"].set_sensitive( False )
self.__parent_class._gui__widgets["button_ups_connect"].hide()
self.__parent_class._gui__widgets["button_ups_disconnect"].show()
self.__parent_class._gui__widgets["button_authentication"].set_sensitive( False )
self.__parent_class._gui__widgets["login_password_frame"].set_sensitive( False )
# Update the battery charge progress bar
if not vars.has_key( "battery.charge" ) :
self.__parent_class._gui__widgets["progress_battery_charge"].set_fraction( 0.0 )
self.__parent_class._gui__widgets["progress_battery_charge"].set_text( "Not available" )
else :
charge = vars.get( "battery.charge", "0" )
self.__parent_class._gui__widgets["progress_battery_charge"].set_fraction( float( charge ) / 100.0 )
self.__parent_class._gui__widgets["progress_battery_charge"].set_text( "%s %%" % int( float( charge ) ) )
# Update the UPS load progress bar
if not vars.has_key( "ups.load" ) :
self.__parent_class._gui__widgets["progress_ups_load"].set_fraction( 0.0 )
self.__parent_class._gui__widgets["progress_ups_load"].set_text( "Not available" )
else :
load = vars.get( "ups.load", "0" )
self.__parent_class._gui__widgets["progress_ups_load"].set_fraction( float( load ) / 100.0 )
self.__parent_class._gui__widgets["progress_ups_load"].set_text( "%s %%" % int( float( load ) ) )
# Update the UPS remaining battery time
if not vars.has_key( "battery.runtime" ) :
self.__parent_class._gui__widgets["label_battery_runtime"].set_text( "Not available" )
else :
runtime = int( float( vars.get( "battery.runtime", "0" ) ) )
H = runtime / 3600
M = ( runtime - ( H * 3600 ) ) / 60
S = runtime - ( H * 3600 ) - ( M * 60 )
if H > 0 :
string = "%s hour(s) %s minutes %s seconds" % ( H, M, S )
elif ( H == 0 ) and ( M > 0 ) :
string = "%s minutes %s seconds" % ( M, S )
else :
string = "%s seconds" % S
self.__parent_class._gui__widgets["label_battery_runtime"].set_text( string )
text_left = ""
text_right = ""
# Update UPS informations fields
if vars.has_key("ups.status") :
text_left += "<b>UPS Status :</b>\n\n"
if vars["ups.status"].find( "OL" ) != -1 :
# UPS is online
text_right += "<span color=\"#009000\">Online</span>"
if vars["ups.status"].find( "OB" ) != -1 :
# UPS is on batteries
text_right += "<span color=\"#900000\">On batteries</span>"
# Check for additionnal informations
for k,v in self.__ups_status_mapper.iteritems() :
if vars["ups.status"].find(k) != -1 :
text_right += " - %s" % v
text_right += "\n\n"
text_left += "<b>UPS Model :</b>\n"
if vars.has_key("ups.mfr") :
text_right += "%s " % vars.get( "ups.mfr", "" )
if vars.has_key("ups.model") :
text_right += "%s\n" % vars.get( "ups.model", "" )
if vars.has_key("ups.serial") :
text_left += "<b>S/N :</b>\n"
text_right += "%s\n" % vars.get( "ups.serial", "" )
if vars.has_key("ups.id") :
text_left += "<b>Identifier :</b>\n"
text_right += "%s\n" % vars.get( "ups.id", "" )
if vars.has_key("ups.temperature") :
text_left += "<b>Temperature :</b>\n"
text_right += "%s\n" % int( float( vars.get( "ups.temperature", 0 ) ) )
if vars.has_key("battery.voltage") :
text_left += "<b>Battery voltage :</b>\n"
text_right += "%sv\n" % vars.get( "battery.voltage", "0" )
self.__parent_class._gui__widgets["label_ups_infos_left"].set_markup( text_left[:-1] )
self.__parent_class._gui__widgets["label_ups_infos_right"].set_markup( text_right[:-1] )
except :
self.__parent_class.status_message( repr(sys.exc_info()[1]) )
self.__parent_class._gui__widgets["ups_status_frame"].set_sensitive( False )
time.sleep( 1 )
# The thread stops...
self.__parent_class._gui__widgets["ups_status_frame"].set_sensitive( False )
self.__parent_class._gui__widgets["ups_hostport_table"].set_sensitive( True )
self.__parent_class._gui__widgets["button_ups_disconnect"].hide()
self.__parent_class._gui__widgets["button_ups_connect"].show()
self.__parent_class.status_message( "Disconnected from %s" % self.__parent_class._gui__ups_name )
# Clear all data fields
self.__parent_class._gui__widgets["label_ups_infos_right"].set_markup( "" )
self.__parent_class._gui__widgets["label_battery_runtime"].set_text( "" )
self.__parent_class._gui__widgets["progress_battery_charge"].set_fraction( 0.0 )
self.__parent_class._gui__widgets["progress_ups_load"].set_fraction( 0.0 )
self.__parent_class._gui__widgets["progress_battery_charge"].set_text( "0 %" )
self.__parent_class._gui__widgets["progress_ups_load"].set_text( "0 %" )
def stop_thread( self ) :
self.__stop_thread = True
if __name__ == "__main__" :
app = gui()
app.run()