Using Python to achieve network card flow chart drawing!!!

Project background:

The use of Python to achieve an automated network card flow chart drawing, which for our implementation of the automated operation and maintenance platform has a deeper understanding,

will also allow us to some of the existing monitoring software implementation of some of the great help.

Implementing the Environment:

Virtual Machines VMware Workstation player

Server: centos6.5 system ip:192.168.0.25

python2.6.6

RRDtool module, Time module, Psutil module.

SECURECRT SSH remote connection software

Experimental process:

The idea is very clear: Create an RRD database----> data written to the RRD database-----> based on data drawing ok!!! Done, son.

First, create our working directory, then create three files (create.py, update.py, graph.py).

650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M02/7D/05/wKioL1bejZyCHAxyAADA4WLYnYU976.png "title=" Create the three files. png "alt=" Wkiol1bejzychaxyaada4wlynyu976.png "/>

Second, create the RRD database.

[email protected] www rrdtool]# cat create.py

#!/usr/bin/env python

Import RRDtool

Import time

CUR_TIME=STR (int (time.time ()))

Rrd=rrdtool.create (' flow.rrd ', '--step ', ' a ', '--start ', Cur_time,

' Ds:eth0_in:counter:600:0:u ',

' Ds:eth0_out:counter:600:0:u ',

' rra:average:0.5:1:600 ',

' rra:average:0.5:6:700 ',

' rra:average:0.5:24:775 ',

' rra:average:0.5:288:797 ',

' rra:max:0.5:1:600 ',

' rra:max:0.5:6:700 ',

' rra:max:0.5:24:775 ',

' rra:max:0.5:444:797 ',

' rra:min:0.5:1:600 ',

' rra:min:0.5:6:700 ',

' rra:min:0.5:24:775 ',

' rra:min:0.5:444:797 ')

If RRD:

Print Rrdtool.error ()

Give execution permission to execute.

650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M00/7D/05/wKioL1bejxCSeBrrAAC3ROyXeO4423.png "title=" Create an RRD database. png "alt=" wkiol1bejxcsebrraac3royxeo4423.png "/> can see that we have created a database file named FLOW.RRD.

Third, data written to the RRD database

[email protected] www rrdtool]# cat update.py

#!/usr/bin/env python

Import RRDtool

Import Time,psutil

Total_input_traffic = Psutil.net_io_counters () [1]

Total_output_traffic = psutil.net_io_counters () [0]

Starttime=int (Time.time ())

Update=rrdtool.updatev ('/home/test/rrdtool/flow.rrd ', '%s:%s:%s '%

(Str (starttime), str (total_input_traffic), str (total_output_traffic)))

Print update

Execute, Data write ~ ~ ~

650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M00/7D/05/wKioL1bekLCjPsObAAAiuVRuPi4291.png "title=" Data is written to. png "alt=" Wkiol1beklcjpsobaaaiuvrupi4291.png "/> Four, last step, drawing!!!!!

[email protected] www rrdtool]# cat graph.py

#!/usr/bin/python

Import RRDtool

Import time

title= "Server Network traffic Flow (" +time.strftime ('%y-%m-%d ',

Time.localtime (Time.time ())) + ")"

Rrdtool.graph ("Flow.png", "--start", " -1d", "--vertical-label=bytes/s",

"--x-grid", "minute:12:hour:1:hour:1:0:%h",

"--width", "650", "--height", "$", "--title", title,

"Def:inoctets=flow.rrd:eth0_in:average",

"Def:outoctets=flow.rrd:eth0_out:average",

"Cdef:total=inoctets,outoctets,+",

"Line1:total#ff8833:total Traffic",

"Area:inoctets#00ff00:in Traffic",

"Line1:outoctets#0000ff:out Traffic",

"Hrule:6144#ff0000:alarm value\\r",

"Cdef:inbits=inoctets,8,*",

"Cdef:outbits=outoctets,8,*",

"Comment:\\r",

"Comment:\\r",

"GPRINT:inbits:AVERAGE:Avg in traffic\:%6.2lf%sbps",

"COMMENT:",

"GPRINT:inbits:MAX:Max in traffic\:%6.2lf%sbps",

"COMMENT:",

"GPRINT:inbits:MIN:MIN in traffic\:%6.2lf%sbps\\r",

"COMMENT:",

"GPRINT:outbits:AVERAGE:Avg out traffic\:%6.2lf%sbps",

"COMMENT:",

"GPRINT:outbits:MAX:Max out traffic\:%6.2lf%sbps",

"COMMENT:",

"GPRINT:outbits:MIN:MIN out traffic\:%6.2lf%sbps\\r")

Execute it, Draw!!!

650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M02/7D/06/wKiom1bekS6yNT6vAADh6iDAfDQ974.png "title=" drawing. png "alt=" Wkiom1beks6ynt6vaadh6idafdq974.png "/> can see we have generated a picture, you must want to see a beautiful picture, not this!!!!

650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M00/7D/07/wKiom1bekYWTnB_7AACeE9vkqBU254.png "title=" Flow.png "alt=" Wkiom1bekywtnb_7aacee9vkqbu254.png "/> can see that there is no magic!!!!!!!!!!!! We wrote a monitoring software, and it looked beautiful!!!!!

Summary: Through this project we can have a clearer understanding of the monitoring, in fact, in general, the three steps:

Create an RRD database----> Data write to the RRD database-----> Draw ok!!! based on data Done, son.

Hope you can get learning, thank you, knowledge is shared!!!!

This article is from the "Make a few" blog, be sure to keep this source http://9399369.blog.51cto.com/9389369/1748831

Using Python to achieve network card flow chart drawing!!!