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# Copyright (c) 2008-2009 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your suggestions, praise, or complaints to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org/
# -----------------------------------------------------------------------------
# BootEnvironment::Preboot::CD.pm
# - provides CD-specific implementation of the Preboot-BootEnvironment API.
# -----------------------------------------------------------------------------
package OpenSLX::BootEnvironment::Preboot::CD;
use strict;
use warnings;
use base qw(OpenSLX::BootEnvironment::Preboot::Base);
use File::Basename;
use File::Path;
use OpenSLX::Basics;
use OpenSLX::Utils;
sub createImage
{
my $self = shift;
my $client = shift;
my $info = shift;
vlog(
0,
_tr(
"\ncreating CD-image for client %s (based on %s) ...",
$client->{name}, $info->{name}
)
);
my $imageDir = "$openslxConfig{'public-path'}/images/$client->{name}/cd";
my $isoDir = "$imageDir/iso/isolinux";
mkpath($isoDir) unless $self->{'dry-run'};
# copy static data
my $dataDir = "$openslxConfig{'base-path'}/share/boot-env/syslinux";
for my $file ('LICENSE', 'README.iso', 'vesamenu.c32', 'isolinux.bin') {
if (!-e "$isoDir/$file") {
slxsystem(
qq[cp -p "$dataDir/$file" "$isoDir/"]
)
unless $self->{'dry-run'};
}
}
# copy kernel (take the one from the given system info)
my $kernelFile = $info->{'kernel-file'};
my $kernelName = basename($kernelFile);
slxsystem(qq{cp -p "$kernelFile" "$isoDir/vmlinuz"})
unless $self->{'dry-run'};
# create initramfs
my $initramfsName = qq{"$isoDir/initramfs"};
$self->makePrebootInitRamFS($info, $initramfsName, $client);
# write trivial isolinux config
# include static defaults
my $isolinuxConfig = "DEFAULT vesamenu.c32\n";
$isolinuxConfig .= "PROMPT 0\n";
$isolinuxConfig .= "TIMEOUT 100\n";
# theme stuff
my $basePath = $openslxConfig{'base-path'};
my $configPath = $openslxConfig{'config-path'};
my $isoTheme = $openslxConfig{'syslinux-theme'};
my $isoThemePath;
my $isoThemeInConfig
= "$configPath/boot-env/syslinux/themes/${isoTheme}";
my $isoThemeInBase
= "$basePath/share/boot-env/syslinux/themes/${isoTheme}";
if (-e "$isoThemeInConfig/theme.conf") {
$isoThemePath = $isoThemeInConfig;
}
else {
if (-e "$isoThemeInBase/theme.conf") {
$isoThemePath = $isoThemeInBase;
}
}
# include theme specific stuff
if (defined $isoThemePath) {
$isolinuxConfig .= slurpFile("$isoThemePath/theme.conf");
}
# copy background picture if exists
my $pic;
if (defined $isoTheme) {
while ($isolinuxConfig =~ m{^\s*MENU BACKGROUND (\S+?)\s*$}gims) {
chomp($pic = $1);
}
}
if (defined $pic) {
my $isoBackground = "$isoThemePath/$pic";
if (-e $isoBackground && !$self->{'dry-run'}) {
slxsystem(qq[cp "$isoBackground" "$isoDir/"]);
}
}
# write trivial isolinux config
$isolinuxConfig .= unshiftHereDoc(<<" End-of-Here");
MENU TITLE Welcome to OpenSLX PreBoot ISO/CD (Mini Linux/Kexec)
LABEL SLXSTDBOOT
MENU LABEL OpenSLX PreBoot - Stateless Netboot Linux ...
MENU DEFAULT
KERNEL vmlinuz
APPEND initrd=initramfs vga=0x317
TEXT HELP
Use this (default) entry if you have configured your client.
You have chance to edit the kernel commandline by hitting
the TAB key (e.g. for adding debug=3 to it for bug hunting).
ENDTEXT
LABEL LOCALBOOT
MENU LABEL Boot locally (skip OpenSLX PreBoot) ...
LOCALBOOT -1
TEXT HELP
Gets you out of here by booting from next device in BIOS
boot order.
ENDTEXT
End-of-Here
spitFile("$isoDir/isolinux.cfg", $isolinuxConfig);
my $mkisoCmd = unshiftHereDoc(<<" End-of-Here");
mkisofs
-o "$imageDir/../$client->{name}.iso"
-b isolinux/isolinux.bin -no-emul-boot -boot-load-size 4
-r -J -l -boot-info-table -joliet-long
-publisher "OpenSLX Project - http://www.openslx.org"
-p "OpenSLX Project - openslx-devel\@openslx.org"
-V "OpenSLX BootISO"
-volset "OpenSLX Project - PreBoot ISO/CD for non PXE/TFTP start of a Linux Stateless Client"
-c isolinux/boot.cat "$imageDir/iso"
End-of-Here
$mkisoCmd =~ s{\n\s*}{ }gms;
my $logFile = "$imageDir/../$client->{name}.iso.log";
if (slxsystem(qq{$mkisoCmd 2>"$logFile"})) {
my $log = slurpFile($logFile);
die _tr("unable to create ISO-image - log follows:\n%s", $log);
}
rmtree($imageDir);
return 1;
}
1;
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