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Code Releases Activity

2006-06-10 13:59:06 by steve

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Support creation of LVM images.
  NOTE: Not tested yet.
This commit is contained in:
steve 2006-06-10 13:59:06 +00:00
parent 730f7635d6
commit 8e8a9fd463
1 changed files with 59 additions and 6 deletions
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65
bin/xen-create-image
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@ -24,7 +24,6 @@ xen-create-image - Create a new Xen instance
--kernel Set the path to the kernel to use for dom U.
--memory Setup the amount of memory allocated to the instance.
--passwd Ask for a root password during setup.
--role Run a role-specific script, post-install.
--size Set the size of the primary disk image.
--swap Set the size of the swap partition.
--ide Use IDE names for virtual devices (hda not sda)
@ -156,7 +155,7 @@ Specify the LVM volume group to store images within. If you wish to use loopbac
--
http://www.steve.org.uk/
$Id: xen-create-image,v 1.16 2006-06-09 22:03:14 steve Exp $
$Id: xen-create-image,v 1.17 2006-06-10 13:59:06 steve Exp $
=cut
@ -519,7 +518,7 @@ sub parseCommandLineArguments
if ( $VERSION )
{
my $REVISION = '$Revision: 1.16 $';
my $REVISION = '$Revision: 1.17 $';
if ( $REVISION =~ /1.([0-9.]+) / )
{
@ -759,14 +758,68 @@ sub createLoopbackImages
=head2 createLVMBits
TODO: Implement.
This fucntion is responsible for creating two new logical volumes within
a given LVM volume group.
=cut
sub createLVMBits
{
print "LVM not supported yet\n";
#
# The two volumes we will need to use..
#
my $disk = $CONFIG{'hostname'} . "-disk" ;
my $swap = $CONFIG{'hostname'} . "-swap" ;
#
# TODO: Check whether the volumes exist, and if so abort
# unless '--force' is specified.
#
#
# Modify the sizes to something reasonable
#
my $disk_size = $CONFIG{'size'};
my $swap_size = $CONFIG{'swap'};
#
# Convert Gb -> Mb for the disk image size, and swap size.
#
if ( $disk_size =~ /^(\d+)Gb*$/i )
{
$disk_size = $1 * 1024 . "M";
}
if ( $swap_size =~ /^(\d+)Gb*$/i )
{
$swap_size = $1 * 1024 . "M";
}
#
# Final adjustments to sizing.
#
$disk_size =~ s/Mb*$/k/i;
if ( $swap_size =~ /^(\d+)Mb*$/i )
{
$swap_size = $1;
}
#
# The commands to create the volumes.
#
my $disk_cmd = "/sbin/lvcreate $CONFIG{'lvm'} -L $CONFIG{'swap'}M -n $disk";
my $swap_cmd = "/sbin/lvcreate $CONFIG{'lvm'} -L $CONFIG{'size'} -n $swap";
#
# Create the volumes
#
runCommand( $disk_cmd );
runCommand( $swap_cmd );
#
# Initialise the partition with the relevent filesystem.
#
createFilesystem( "/dev/$CONFIG{'lvm'}/$CONFIG{'hostname'}-disk" );
}
@ -838,7 +891,7 @@ sub mountImage
if ( $CONFIG{'lvm'} )
{
$image = "/dev/" . $CONFIG{'lvm'} . "/" . $CONFIG{'hostname'} . '-root';
$image = "/dev/" . $CONFIG{'lvm'} . "/" . $CONFIG{'hostname'} . '-disk';
}
elsif ( $CONFIG{'dir'} )
{