collecty/plugins/interface.py

   1 #!/usr/bin/python
   2 ###############################################################################
   3 #                                                                             #
   4 # collecty - A system statistics collection daemon for IPFire                 #
   5 # Copyright (C) 2012 IPFire development team                                  #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 from __future__ import division
  23
  24 import os
  25
  26 import base
  27
  28 from ..i18n import _
  29
  30 SYS_CLASS_NET = "/sys/class/net"
  31
  32 COLOUR_RX = "B22222"
  33 COLOUR_RX_AREA = "%sAA" % COLOUR_RX
  34 COLOUR_TX = "228B22"
  35 COLOUR_TX_AREA = "%sAA" % COLOUR_TX
  36
  37 class GraphTemplateInterfaceBits(base.GraphTemplate):
  38         name = "interface-bits"
  39
  40         @property
  41         def rrd_graph(self):
  42                 return [
  43                         "DEF:bytes_rx=%(file)s:bytes_rx:AVERAGE",
  44                         "DEF:bytes_tx=%(file)s:bytes_tx:AVERAGE",
  45
  46                         # Convert everything into bits.
  47                         "CDEF:bits_rx=bytes_rx,8,*",
  48                         "CDEF:bits_tx=bytes_tx,8,*",
  49
  50                         # Compute 95% lines.
  51                         "VDEF:bits_rx_95p=bits_rx,95,PERCENT",
  52                         "VDEF:bits_tx_95p=bits_tx,95,PERCENT",
  53
  54                         # Draw the received area.
  55                         "AREA:bits_rx#%s:%-15s" % (COLOUR_RX_AREA, _("Received")),
  56                         "VDEF:bits_rx_min=bits_rx,MINIMUM",
  57                         "VDEF:bits_rx_max=bits_rx,MAXIMUM",
  58                         "VDEF:bits_rx_avg=bits_rx,AVERAGE",
  59                         "GPRINT:bits_rx_max:%12s\: " % _("Maximum") + _("%8.2lf %sbps"),
  60                         "GPRINT:bits_rx_min:%12s\: " % _("Minimum") + _("%8.2lf %sbps"),
  61                         "GPRINT:bits_rx_avg:%12s\: " % _("Average") + _("%8.2lf %sbps") + "\\n",
  62
  63                         # Draw the transmitted area.
  64                         "AREA:bits_tx#%s:%-15s" % (COLOUR_TX_AREA, _("Transmitted")),
  65                         "VDEF:bits_tx_min=bits_tx,MINIMUM",
  66                         "VDEF:bits_tx_max=bits_tx,MAXIMUM",
  67                         "VDEF:bits_tx_avg=bits_tx,AVERAGE",
  68                         "GPRINT:bits_tx_max:%12s\: " % _("Maximum") + _("%8.2lf %sbps"),
  69                         "GPRINT:bits_tx_min:%12s\: " % _("Minimum") + _("%8.2lf %sbps"),
  70                         "GPRINT:bits_tx_avg:%12s\: " % _("Average") + _("%8.2lf %sbps") + "\\n",
  71
  72                         # Draw outlines.
  73                         "LINE1:bits_rx#%s" % COLOUR_RX,
  74                         "LINE1:bits_tx#%s" % COLOUR_TX,
  75
  76                         # Draw the 95% lines.
  77                         "COMMENT:--- %s ---\\n" % _("95th percentile"),
  78                         "LINE2:bits_rx_95p#%s:%-15s" % (COLOUR_RX, _("Received")),
  79                         "GPRINT:bits_rx_95p:%s" % _("%8.2lf %sbps") + "\\n",
  80                         "LINE2:bits_tx_95p#%s:%-15s" % (COLOUR_TX, _("Transmitted")),
  81                         "GPRINT:bits_tx_95p:%s" % _("%8.2lf %sbps") + "\\n",
  82                 ]
  83
  84         @property
  85         def rrd_graph_args(self):
  86                 return [
  87                         "--title", _("Bandwidth usage on %(interface)s"),
  88                         "--vertical-label", _("Bit/s"),
  89                 ]
  90
  91
  92 class GraphTemplateInterfacePackets(base.GraphTemplate):
  93         name = "interface-packets"
  94
  95         @property
  96         def rrd_graph(self):
  97                 return [
  98                         "DEF:packets_rx=%(file)s:packets_rx:AVERAGE",
  99                         "DEF:packets_tx=%(file)s:packets_tx:AVERAGE",
 100
 101                         # Draw the received area.
 102                         "AREA:packets_rx#%s:%-15s" % (COLOUR_RX_AREA, _("Received")),
 103                         "VDEF:packets_rx_min=packets_rx,MINIMUM",
 104                         "VDEF:packets_rx_max=packets_rx,MAXIMUM",
 105                         "VDEF:packets_rx_avg=packets_rx,AVERAGE",
 106                         "GPRINT:packets_rx_max:%12s\: " % _("Maximum") + _("%8.0lf %spps"),
 107                         "GPRINT:packets_rx_min:%12s\: " % _("Minimum") + _("%8.0lf %spps"),
 108                         "GPRINT:packets_rx_avg:%12s\: " % _("Average") + _("%8.2lf %spps") + "\\n",
 109
 110                         # Draw the transmitted area.
 111                         "AREA:packets_tx#%s:%-15s" % (COLOUR_TX_AREA, _("Transmitted")),
 112                         "VDEF:packets_tx_min=packets_tx,MINIMUM",
 113                         "VDEF:packets_tx_max=packets_tx,MAXIMUM",
 114                         "VDEF:packets_tx_avg=packets_tx,AVERAGE",
 115                         "GPRINT:packets_tx_max:%12s\: " % _("Maximum") + _("%8.0lf %spps"),
 116                         "GPRINT:packets_tx_min:%12s\: " % _("Minimum") + _("%8.0lf %spps"),
 117                         "GPRINT:packets_tx_avg:%12s\: " % _("Average") + _("%8.2lf %spps") + "\\n",
 118
 119                         # Draw outlines of the areas on top.
 120                         "LINE1:packets_rx#%s" % COLOUR_RX,
 121                         "LINE1:packets_tx#%s" % COLOUR_TX,
 122                 ]
 123
 124         @property
 125         def rrd_graph_args(self):
 126                 return [
 127                         "--title", _("Transferred packets on %(interface)s"),
 128                         "--vertical-label", _("Packets/s"),
 129                 ]
 130
 131
 132 class GraphTemplateInterfaceErrors(base.GraphTemplate):
 133         name = "interface-errors"
 134
 135         @property
 136         def rrd_graph(self):
 137                 return [
 138                         "DEF:errors_rx=%(file)s:errors_rx:AVERAGE",
 139                         "DEF:errors_tx=%(file)s:errors_tx:AVERAGE",
 140                         "DEF:dropped_rx=%(file)s:dropped_rx:AVERAGE",
 141                         "DEF:dropped_tx=%(file)s:dropped_tx:AVERAGE",
 142                         "DEF:collisions=%(file)s:collisions:AVERAGE",
 143
 144                         # Invert the transmitted packets to create upside down graph.
 145                         "CDEF:errors_tx_inv=errors_tx,-1,*",
 146                         "CDEF:dropped_tx_inv=dropped_tx,-1,*",
 147
 148                         # Draw the receive errors.
 149                         "AREA:errors_rx#228B2277:%-15s" % _("Receive errors"),
 150                         "VDEF:errors_rx_min=errors_rx,MINIMUM",
 151                         "VDEF:errors_rx_max=errors_rx,MAXIMUM",
 152                         "VDEF:errors_rx_avg=errors_rx,AVERAGE",
 153                         "GPRINT:errors_rx_max:%12s\: " % _("Maximum") + _("%8.0lf %spps"),
 154                         "GPRINT:errors_rx_min:%12s\: " % _("Minimum") + _("%8.0lf %spps"),
 155                         "GPRINT:errors_rx_avg:%12s\: " % _("Average") + _("%8.2lf %spps") + "\\n",
 156                         "LINE1:errors_rx#228B22",
 157
 158                         # Draw the transmit errors.
 159                         "AREA:errors_tx_inv#B2222277:%-15s" % _("Transmit errors"),
 160                         "VDEF:errors_tx_min=errors_tx,MINIMUM",
 161                         "VDEF:errors_tx_max=errors_tx,MAXIMUM",
 162                         "VDEF:errors_tx_avg=errors_tx,AVERAGE",
 163                         "GPRINT:errors_tx_max:%12s\: " % _("Maximum") + _("%8.0lf %spps"),
 164                         "GPRINT:errors_tx_min:%12s\: " % _("Minimum") + _("%8.0lf %spps"),
 165                         "GPRINT:errors_tx_avg:%12s\: " % _("Average") + _("%8.2lf %spps") + "\\n",
 166                         "LINE1:errors_tx_inv#B22222",
 167
 168                         # Draw the receive drops.
 169                         "LINE2:dropped_rx#228B22:%-15s" % _("Receive drops"),
 170                         "VDEF:dropped_rx_min=dropped_rx,MINIMUM",
 171                         "VDEF:dropped_rx_max=dropped_rx,MAXIMUM",
 172                         "VDEF:dropped_rx_avg=dropped_rx,AVERAGE",
 173                         "GPRINT:dropped_rx_max:%12s\: " % _("Maximum") + _("%8.0lf %spps"),
 174                         "GPRINT:dropped_rx_min:%12s\: " % _("Minimum") + _("%8.0lf %spps"),
 175                         "GPRINT:dropped_rx_avg:%12s\: " % _("Average") + _("%8.2lf %spps") + "\\n",
 176                         "LINE1:dropped_rx#228B22",
 177
 178                         # Draw the transmit drops.
 179                         "LINE2:dropped_tx#B22222:%-15s" % _("Transmit drops"),
 180                         "VDEF:dropped_tx_min=dropped_tx,MINIMUM",
 181                         "VDEF:dropped_tx_max=dropped_tx,MAXIMUM",
 182                         "VDEF:dropped_tx_avg=dropped_tx,AVERAGE",
 183                         "GPRINT:dropped_tx_max:%12s\: " % _("Maximum") + _("%8.0lf %spps"),
 184                         "GPRINT:dropped_tx_min:%12s\: " % _("Minimum") + _("%8.0lf %spps"),
 185                         "GPRINT:dropped_tx_avg:%12s\: " % _("Average") + _("%8.2lf %spps") + "\\n",
 186                         "LINE1:dropped_tx#B22222",
 187
 188                         # Draw the collisions as a line.
 189                         "LINE3:collisions#8B0000:%-15s" % _("Collisions") + "\\n",
 190                 ]
 191
 192         @property
 193         def rrd_graph_args(self):
 194                 return [
 195                         "--title", _("Errors/dropped packets on %(interface)s"),
 196                         "--vertical-label", _("Packets/s"),
 197                 ]
 198
 199
 200 class DataSourceInterface(base.DataSource):
 201         name = "interface"
 202         description = "Interface Statistics Data Source"
 203
 204         templates = [
 205                 GraphTemplateInterfaceBits,
 206                 GraphTemplateInterfacePackets,
 207                 GraphTemplateInterfaceErrors,
 208         ]
 209
 210         rrd_schema = [
 211                 "DS:bytes_rx:DERIVE:0:U",
 212                 "DS:bytes_tx:DERIVE:0:U",
 213                 "DS:collisions:DERIVE:0:U",
 214                 "DS:dropped_rx:DERIVE:0:U",
 215                 "DS:dropped_tx:DERIVE:0:U",
 216                 "DS:errors_rx:DERIVE:0:U",
 217                 "DS:errors_tx:DERIVE:0:U",
 218                 "DS:multicast:DERIVE:0:U",
 219                 "DS:packets_rx:DERIVE:0:U",
 220                 "DS:packets_tx:DERIVE:0:U",
 221         ]
 222
 223         @classmethod
 224         def autocreate(cls, collecty, **kwargs):
 225                 if not os.path.exists(SYS_CLASS_NET):
 226                         return
 227
 228                 instances = []
 229                 for interface in os.listdir(SYS_CLASS_NET):
 230                         # Skip some unwanted interfaces.
 231                         if interface == "lo" or interface.startswith("mon."):
 232                                 continue
 233
 234                         path = os.path.join(SYS_CLASS_NET, interface)
 235                         if not os.path.isdir(path):
 236                                 continue
 237
 238                         instance = cls(collecty, interface=interface)
 239                         instances.append(instance)
 240
 241                 return instances
 242
 243         def init(self, **kwargs):
 244                 self.interface = kwargs.get("interface")
 245
 246         @property
 247         def id(self):
 248                 return "-".join((self.name, self.interface))
 249
 250         def read(self):
 251                 interface_path = os.path.join(SYS_CLASS_NET, self.interface)
 252
 253                 # Check if the interface exists.
 254                 if not os.path.exists(interface_path):
 255                         self.log.debug(_("Interface %s does not exists. Cannot collect.") \
 256                                 % self.interface)
 257                         return
 258
 259                 files = (
 260                         "rx_bytes", "tx_bytes",
 261                         "collisions",
 262                         "rx_dropped", "tx_dropped",
 263                         "rx_errors", "tx_errors",
 264                         "multicast",
 265                         "rx_packets", "tx_packets",
 266                 )
 267                 ret = []
 268
 269                 for file in files:
 270                         path = os.path.join(interface_path, "statistics", file)
 271
 272                         # Open file and read it's content.
 273                         f = None
 274                         try:
 275                                 f = open(path)
 276
 277                                 line = f.readline()
 278                                 line = line.strip()
 279                                 ret.append(line)
 280                         except:
 281                                 ret.append("0")
 282                                 raise
 283
 284                         finally:
 285                                 if f:
 286                                         f.close()
 287
 288                 return ":".join(ret)