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2007-01-07 02:59:35 by steve

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1.  Trivial documentation updates.
  2.  Correctly cope with detecting the filesystem creation commands.
This commit is contained in:
steve 2007-01-07 02:59:35 +00:00
parent d806e0c245
commit 2a8186d4dd
1 changed files with 67 additions and 28 deletions
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95
bin/xen-create-image
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@ -35,20 +35,20 @@ xen-create-image - Easily create new Xen instances with networking and OpenSSH.
--force Force overwriting existing images.
This will remove existing images or LVM volumes which match
those which are liable to be used by the new invocation.
those which are liable to be used by the new invocation.
--fs Specify the filesystem type to use for the new guest.
Valid choices are 'ext3', 'reiserfs', or 'xfs'.
--image Specify whether to create "sparse" or "full" disk images.
Full images are mandatory when using LVM, so this setting
is ignored in that case.
is ignored in that case.
--initrd Specify the initial ramdisk
If an image is specified it must exist.
--kernel Set the path to the kernel to use for domU.
This image must exist on the host system.
If a kernel is specified it must exist.
--memory Setup the amount of memory allocated to the new instance.
@ -58,10 +58,10 @@ xen-create-image - Easily create new Xen instances with networking and OpenSSH.
--no-hooks Don't run any hooks after the image is created.
--passwd Ask for a root password during setup.
This is done interactively.
NOTE: This is done interactively.
--role Run a specific role command post-install.
These role scripts are discussed in the manpage later.
These role scripts are discussed later in this manpage.
--roledir Specify the directory which contains the role scripts.
This defaults to /etc/xen-tools/role.d/
@ -72,14 +72,14 @@ xen-create-image - Easily create new Xen instances with networking and OpenSSH.
--noswap Do not create a swap partition.
When this option is used the system will not have a swap
entry added to its /etc/fstab file either.
entry added to its /etc/fstab file either.
--ide Use IDE names for virtual devices (hda not sda)
--ide Use IDE names for virtual devices (i.e. hda not sda)
Installation options:
--arch Pass the given architecture to debootstrap or rpm strap.
--arch Pass the given architecture to debootstrap or rpmstrap.
This argument is ignored if you install with a different
installation type.
@ -89,7 +89,7 @@ xen-create-image - Easily create new Xen instances with networking and OpenSSH.
--copy-cmd This allows you to specify the command actually used for
installation when using "--copy"
NOTE This option is *only* valid in the configuration file.
NOTE: This option is *only* valid in the configuration file.
--dist Specify the distribution you wish to install.
@ -109,7 +109,7 @@ xen-create-image - Easily create new Xen instances with networking and OpenSSH.
--tar-cmd This allows you to specify the command actually used for
installation when using "--tar".
NOTE This option is *only* valid in the configuration file.
NOTE: This option is *only* valid in the configuration file.
--template Specify which template file to use when creating the
Xen configuration file.
@ -117,17 +117,19 @@ xen-create-image - Easily create new Xen instances with networking and OpenSSH.
Networking options:
--dhcp The guest will fetch its networking details via DHCP.
--dhcp The guest will be configured to fetch its networking
details via DHCP.
--gateway Setup the network gateway for the new instance.
--ip Setup the IP address of the machine, multiple IPs
are allowed. When specifying more than one IP the
first one is setup as the "system" IP, and the additional
ones are added as aliases.
are allowed. When specifying more than one IP the
first one is setup as the "system" IP, and the additional
ones are added as aliases.
Note that Xen 3.x supports a maximum of three IP addresses
per guest.
This option conflicts with --dhcp.
per guest.
This option conflicts with --dhcp.
--mac Specify the MAC address to use for a given interface.
This is only valid for the first IP address specified, or
@ -137,24 +139,26 @@ xen-create-image - Easily create new Xen instances with networking and OpenSSH.
--netmask Setup the netmask for the new instance.
Mandatory options:
--dir Specify where the output images should go.
Subdirectories will be created for each guest
If you do not wish to use loopback images specify --lvm
or --evms. (These three options are mutually exclusive.)
or --evms. (These three options are mutually exclusive.)
--lvm Specify the volume group to save images within.
If you do not wish to use LVM specify --dir or --evms.
(These three options are mutually exclusive.)
(These three options are mutually exclusive.)
--evms Specify the container to save images within, i.e. '--evms
lvm2/mycontainer'. If you do not wish to use EVMS specify
--dir or --lvm. (These three options are mutually exclusive.)
lvm2/mycontainer'. If you do not wish to use EVMS specify
--dir or --lvm. (These three options are mutually exclusive.)
--hostname Set the hostname of the new guest system.
Ideally this will be fully-qualified since several
of the hook scripts will expect to be able to parse
of the hook scripts will expect to be able to parse
a domain name out of it for various purposes.
=cut
@ -162,7 +166,8 @@ xen-create-image - Easily create new Xen instances with networking and OpenSSH.
=head1 NOTES
This script is a simple wrapper around three external tools
This script is a wrapper around three distinct external tools which
complete various aspects of the new system installation.
=over 8
@ -178,7 +183,7 @@ Create a configuration file in /etc/xen so that xm can create the new image.
=back
The result of invoking these three scripts, and some minor glue between
them is a simple means of creating new Xen guest domains.
them, is a simple means of creating new Xen guest domains.
=cut
@ -512,7 +517,7 @@ Install an X11 server, using VNC and XDM
--
http://www.steve.org.uk/
$Id: xen-create-image,v 1.122 2007-01-05 16:07:47 steve Exp $
$Id: xen-create-image,v 1.123 2007-01-07 02:59:35 steve Exp $
=cut
@ -1108,7 +1113,7 @@ sub parseCommandLineArguments
if ( $VERSION )
{
my $REVISION = '$Revision: 1.122 $';
my $REVISION = '$Revision: 1.123 $';
if ( $REVISION =~ /1.([0-9.]+) / )
{
$REVISION = $1;
@ -1163,15 +1168,49 @@ sub parseCommandLineArguments
E_O_ERROR
logprint( $err );
exit;
}
else
{
#
# count == 0;
# OK.
#
# That means that the configuration file is ok.
# That means that the method should be supplied in the configuration
# file.
#
# If it isn't we'll abort here.
#
$count = 0;
foreach my $key ( qw/debootstrap rpmstrap copy tar/ )
{
if ( $CONFIG{$key} )
{
$count += 1;
}
}
if ( $count < 1 )
{
my $err =<<E_O_ERROR;
Please specify an installation method using only *one* of the following
command line options:
--debootstrap = Install the system using the deboostrap command.
--rpmstrap = Install the system using the rpmstrap command.
--copy /path = Install by copying the specified directory recursively.
--tar file.tar = Install by untarring the given file.
(You could specify one of these options as the default in the configuration
file /etc/xen-tools/xen-tools.conf.)
E_O_ERROR
logprint( $err );
exit;
}
}
@ -2086,7 +2125,7 @@ sub createFilesystem
my $binary = $1;
my $args = $2;
if ( ! -x $binary )
if ( ! defined( findBinary( $binary ) ) )
{
logprint( "The binary '$binary' required to create the filesystem $CONFIG{'fs'} is missing\n" );
exit;