wiki:experiences:igraltist:kvm-network
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wiki:experiences:igraltist:kvm-network [2010/11/10 15:42]
127.0.0.1 (old revision restored)
wiki:experiences:igraltist:kvm-network [2011/02/14 13:17]
127.0.0.1 (old revision restored)
Line 53: Line 53:
  
 Thats all. Thats all.
 +
  
  
Line 88: Line 89:
 The content of the script '/​etc/​kvm/​scripts/​kvm-ifup'​ The content of the script '/​etc/​kvm/​scripts/​kvm-ifup'​
 <code bash> <code bash>
-#!/bin/sh +#!/usr/bin/env python 
-ifconfig="/​sbin/​ifconfig+ 
-brctl="/sbin/brctl" +import sys 
-bridge="​br0"+import os 
 +from subprocess import call 
 + 
 +def add_iface_to_bridge():​ 
 +    try: 
 +        iface sys.argv[1] 
 +        bridge = os.environ["bridge_%s" ​% iface] 
 +        ​cmd ​["​brctl"​, "​addif", ​bridge, iface] 
 +        call(cmd) 
 +        iface_up ​["ip", "​link",​ "​set",​ iface, "​up"​] 
 +        call(iface_up) 
 +    except KeyError, e: 
 +        print str(e)
  
-echo "​Executing /​etc/​kvm/​scripts/​kvm-ifup"​ 
-echo "​Bringing up ${1} for bridged mode..."​ 
-sudo ${ifconfig} ${1} 0.0.0.0 promisc up 
-echo "​Adding ${1} to bridge ${bridge} ..." 
-sudo ${brctl} addif ${bridge} ${1} 
  
-# wait a moment +add_iface_to_bridge()  ​
-sleep 1+
 </​code>​ </​code>​
  
-You can see this is a shell script.\\ 
-The '​${1}'​ is the argument in the '​ifname'​. \\ 
-In the example above it would replace with '​rsbac'​ otherwise if is was not set '​tap0'​.\\ 
-Then its use sudo because my guest starts with unprivileged user '​kvm'​ which have in normal case no rights to do adminstrative 
-tasks.\\ 
-This line 'sudo ${brctl} addif ${bridge} ${1}' add the new create '​tap'​ device to the bridge. 
  
  
Line 123: Line 124:
  
  
-==== 3. Route Bride ====+==== 3. Route Bridge ​====
  
 Now the network part on host machine have to do. Now the network part on host machine have to do.
//
wiki/experiences/igraltist/kvm-network.txt · Last modified: 2011/02/14 13:17 by 127.0.0.1

wiki/experiences/igraltist/kvm-network.txt · Last modified: 2011/02/14 13:17 by 127.0.0.1
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