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author | iap10@labyrinth.cl.cam.ac.uk <iap10@labyrinth.cl.cam.ac.uk> | 2005-01-29 22:20:09 +0000 |
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committer | iap10@labyrinth.cl.cam.ac.uk <iap10@labyrinth.cl.cam.ac.uk> | 2005-01-29 22:20:09 +0000 |
commit | 744d0bbffba678a9335cdbe18ab7e1d10a00a2cd (patch) | |
tree | a38754e90a06d3ca54881a741c4de6d78896176f /tools/examples/xmexample3 | |
parent | 161acb14ddf247b147056814aa6acc22cfeb6e86 (diff) | |
download | xen-744d0bbffba678a9335cdbe18ab7e1d10a00a2cd.tar.gz xen-744d0bbffba678a9335cdbe18ab7e1d10a00a2cd.tar.bz2 xen-744d0bbffba678a9335cdbe18ab7e1d10a00a2cd.zip |
bitkeeper revision 1.1159.223.53 (41fc0c19tGe1rM62SUQk8WYZjH-D1Q)
Add iptables modules to the default xen0 kernel, and add example configuration files for a NAT setup.
Diffstat (limited to 'tools/examples/xmexample3')
-rw-r--r-- | tools/examples/xmexample3 | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/tools/examples/xmexample3 b/tools/examples/xmexample3 new file mode 100644 index 0000000000..fd96a7b201 --- /dev/null +++ b/tools/examples/xmexample3 @@ -0,0 +1,120 @@ +# -*- mode: python; -*- +#============================================================================ +# Example Python setup script for 'xm create'. +# This script sets the parameters used when a domain is created using 'xm create'. +# +# This is a relatively advanced script that uses a parameter, vmid, to control +# the settings. So this script can be used to start a set of domains by +# setting the vmid parameter on the 'xm create' command line. For example: +# +# xm create vmid=1 +# xm create vmid=2 +# xm create vmid=3 +# +# The vmid is purely a script variable, and has no effect on the the domain +# id assigned to the new domain. +#============================================================================ + +# Define script variables here. +# xm_vars is defined automatically, use xm_vars.var() to define a variable. + +# This function checks that 'vmid' has been given a valid value. +# It is called automatically by 'xm create'. +def vmid_check(var, val): + val = int(val) + if val <= 0: + raise ValueError + return val + +# Define the 'vmid' variable so that 'xm create' knows about it. +xm_vars.var('vmid', + use="Virtual machine id. Integer greater than 0.", + check=vmid_check) + +# Check the defined variables have valid values.. +xm_vars.check() + +#---------------------------------------------------------------------------- +# Kernel image file. +kernel = "/path/to/domU/kernel" + +# Optional ramdisk. +#ramdisk = "/boot/initrd.gz" + +# The domain build function. Default is 'linux'. +#builder='linux' + +# Initial memory allocation (in megabytes) for the new domain. +memory = 64 + +# A name for the new domain. All domains have to have different names, +# so we use the vmid to create a name. +name = "VM%d" % vmid + +# Which CPU to start domain on? +#cpu = -1 # leave to Xen to pick +cpu = vmid # set based on vmid (mod number of CPUs) + +#---------------------------------------------------------------------------- +# Define network interfaces. + +# Number of network interfaces. Default is 1. +#nics=1 + +# Optionally define mac and/or bridge for the network interfaces. +# Random MACs are assigned if not given. + +vif = [ 'ip=192.168.%d.1/24' % (vmid)] + +#---------------------------------------------------------------------------- +# Define the disk devices you want the domain to have access to, and +# what you want them accessible as. +# Each disk entry is of the form phy:UNAME,DEV,MODE +# where UNAME is the device, DEV is the device name the domain will see, +# and MODE is r for read-only, w for read-write. + +# This makes the disk device depend on the vmid - assuming +# tHat devices sda7, sda8 etc. exist. The device is exported +# to all domains as sda1. +# All domains get sda6 read-only (to use for /usr, see below). +disk = [ 'phy:hda%d,hda1,w' % (vmid)] + +#---------------------------------------------------------------------------- +# Set the kernel command line for the new domain. +# You only need to define the IP parameters and hostname if the domain's +# IP config doesn't, e.g. in ifcfg-eth0 or via DHCP. +# You can use 'extra' to set the runlevel and custom environment +# variables used by custom rc scripts (e.g. VMID=, usr= ). + +# Set if you want dhcp to allocate the IP address. +dhcp="off" +ip="192.168.%d.2" % (vmid) +# Set netmask. +netmask="255.255.255.0" +# Set default gateway. +gateway="192.168.%d.1" % (vmid) +# Set the hostname. +hostname= "domain-%d.xeno" % vmid + +# Set root device. +root = "/dev/hda1 ro" + +# Root device for nfs. +#root = "/dev/nfs" +# The nfs server. +#nfs_server = "10.212.4.103" +# Root directory on the nfs server. +#nfs_root = "/path/to/root/filesystem" + +# Sets runlevel 4 and the device for /usr. +extra = "4 VMID=%d" % vmid + +#---------------------------------------------------------------------------- +# Set according to whether you want the domain restarted when it exits. +# The default is 'onreboot', which restarts the domain when it shuts down +# with exit code reboot. +# Other values are 'always', and 'never'. + +#restart = 'onreboot' + +#============================================================================ |