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kopiluwak [2009/06/23 13:13] 193.190.76.58 |
kopiluwak [2010/10/02 17:26] (current) |
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| ===== Idea ====== | ===== Idea ====== | ||
| The machine hosts virtual machines. Other than that no functionality runs on the machine. | The machine hosts virtual machines. Other than that no functionality runs on the machine. | ||
| - | ===== KVM ===== | + | |
| - | === Guest 1: buildbot.xfce.org === | + | ===== Host ===== |
| - | == Configuration == | + | ==== Software ==== |
| - | * Start the machine: | + | ^ software ^ version ^ website ^ |
| + | | Lunar Linux | 1.6.4 x86_64 | [[http://lunar-linux.org]] | | ||
| + | | Linux | 2.6.30.5 | | | ||
| + | | kvm | 88 | [[http://kvm.qumranet.com]] | | ||
| + | | vde | 2.2.2 | [[http://vde.sourceforge.net]] | | ||
| + | | lvm2 | 2.02.45 | [[http://sources.redhat.com/lvm2]] | | ||
| + | | tunctl | 1.5 | [[http://tunctl.sourceforge.net]] | | ||
| + | ==== Configuration ==== | ||
| + | === Storage === | ||
| + | * root and boot | ||
| + | | /dev/md1 | / | ext3 | | ||
| + | | /dev/md0 | /boot | ext3 | | ||
| + | * var, home, luns for vm's | ||
| + | VolumeGroup: vg on /dev/md2 | ||
| + | | /dev/mapper/vg-home | /home | ext4 | | ||
| + | | /dev/mapper/vg-var | /var | ext4 | | ||
| + | |||
| + | === Network === | ||
| + | * eth0 - bridged to br0, ip assigned with dhcp | ||
| + | * br0: run script in screen | ||
| + | <code bash> | ||
| + | #!/bin/bash | ||
| + | if [ $TERM == screen ]; then | ||
| + | /usr/bin/killall dhcpcd | ||
| + | /bin/rm -fr /var/db/dhcpcd* | ||
| + | /sbin/modprobe tun | ||
| + | /usr/sbin/tunctl -t tap0 | ||
| + | /usr/sbin/brctl addbr br0 | ||
| + | /usr/sbin/brctl addif br0 eth0 | ||
| + | /usr/sbin/brctl addif br0 tap0 | ||
| + | /sbin/ifconfig eth0 0.0.0.0 promisc up #still need to test if promisc is needed | ||
| + | /sbin/ifconfig tap0 0.0.0.0 promisc up #still need to test if promisc is needed | ||
| + | /sbin/ifconfig br0 up | ||
| + | /usr/sbin/dhcpcd br0 | ||
| + | |||
| + | echo "Sleep for 5 minutes, Ctrl ^ C to stop, will revert changes if you don't" | ||
| + | sleep 5m | ||
| + | |||
| + | echo "revert changes" | ||
| + | /sbin/ifconfig br0 down | ||
| + | /usr/bin/killall dhcpcd | ||
| + | /bin/rm -fr /var/db/dhcpcd* | ||
| + | /usr/sbin/brctl delif br0 eth0 | ||
| + | /usr/sbin/brctl delif br0 tap0 | ||
| + | /usr/sbin/brctl delbr br0 | ||
| + | /usr/sbin/tunctl -d tap0 | ||
| + | /sbin/ifconfig eth0 up | ||
| + | /usr/sbin/dhcpcd eth0 | ||
| + | |||
| + | echo "Sleep for 5 minutes, Ctrl ^ C to stop, will revert changes if you don't" | ||
| + | sleep 5m | ||
| + | echo "reboot" | ||
| + | /sbin/reboot | ||
| + | else | ||
| + | echo "USE SCREEN"; | ||
| + | fi | ||
| + | </code> | ||
| + | * vde_switch: Switch that the virtual machines (buildslaves) will use to communicate with the buildmaster. | ||
| + | <code bash> | ||
| + | vde_switch -tap tap1 -daemon; | ||
| + | ifconfig tap1 10.0.0.1; | ||
| + | echo "1" > /proc/sys/net/ipv4/ip_forward; | ||
| + | iptables -t nat -A POSTROUTING -o br0 -j MASQUERADE | ||
| + | </code> | ||
| + | |||
| + | ===== Hosted Virtual Machines ===== | ||
| + | ==== Guest 1: buildbot.xfce.org ==== | ||
| + | === Configuration === | ||
| + | == Start the machine == | ||
| <code bash> | <code bash> | ||
| #!/bin/bash | #!/bin/bash | ||
| # This script starts the buildbot | # This script starts the buildbot | ||
| vdeq qemu-system-x86_64 -vnc :1 -hda /dev/vg/BuildBot -m 512 -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=no -net vde,vlan=1 -net nic,vlan=1 -daemonize | vdeq qemu-system-x86_64 -vnc :1 -hda /dev/vg/BuildBot -m 512 -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=no -net vde,vlan=1 -net nic,vlan=1 -daemonize | ||
| - | ze | ||
| </code> | </code> | ||
| - | * network | + | == network == |
| - | * eth0: fixed ip - external ip (dns: buildbot.xfce.org) | + | * eth0: fixed ip - external ip (dns: buildbot.xfce.org) |
| - | * eth1: internal nic connected to the virtual switch (ip: 10.0.0.2) | + | * eth1: internal nic connected to the virtual switch (ip: 10.0.0.2) |
| - | * software | + | == software == |
| - | * lunar-linux 1.6.4 x86_64 | + | * buildbot 0.7.10p1 |
| - | * buildbot 0.7.10p1 | + | == config buildbot == |
| - | == Guest 2: buildslave == | + | * create the user buildmaster |
| + | * Create instance of buildbot: | ||
| + | <code bash> | ||
| + | buildbot create-master /home/buildmaster/xfce | ||
| + | </code> | ||
| + | * start the buildbot instance: | ||
| + | <code bash> | ||
| + | buildbot start /home/buildmaster/xfce | ||
| + | </code> | ||
| + | * configure the buildbot instance: edit master.cfg | ||
| + | * validate the edits: | ||
| + | <code bash> | ||
| + | buildbot checkconfig master.cfg | ||
| + | </code> | ||
| + | * reread the config in the current instance: | ||
| + | <code bash> | ||
| + | buildbot reconfig /home/buildmaster/xfce | ||
| + | </code> | ||
| + | * master.cfg: | ||
| + | <code python> | ||
| + | </code> | ||
| + | ==== Guest 2: buildslave ==== | ||
| - | === buildbot === | + | lunar |
| + | ip 10.0.0.3 | ||
| + | vdeq qemu-system-x86_64 -vnc :2 -hda /dev/vg/lunar -m 512 -net vde,vlan=1 -net nic,vlan=1 -daemonize | ||