xcat-core/xCAT-client/bin/genimage
2010-09-02 17:22:17 +00:00

502 lines
12 KiB
Perl
Executable File

#!/usr/bin/perl
BEGIN
{
$::XCATROOT =
$ENV{'XCATROOT'} ? $ENV{'XCATROOT'}
: -d '/opt/xcat' ? '/opt/xcat'
: '/usr';
}
use lib "$::XCATROOT/lib/perl";
use strict;
use Getopt::Long;
require xCAT::MsgUtils;
require xCAT::DSHCLI;
use xCAT::Utils;
use Term::ANSIColor;
use File::Basename;
# genimage is a wrapper to the genimages located in
# /opt/xcat/share/xcat/netboot/<os>/
# put tab completion
# colors
# remember the last one done
$::XCATROOT = "/opt/xcat";
my $os = "";
my $profile = "";
my $interface = "";
my $version;
my $drivers = "";
my $otherInterfaces = "";
my $kernel = "";
my @oses; # available OSes.
my @profiles; # available profiles
my $profDir; # root where you do ./genimage from
my $help;
my $match = 0;
my $color = 0;
my $imagename;
my $arch;
#-----------------------------------------------------------------------------
=head3 print_usage - usage message
=cut
#-----------------------------------------------------------------------------
sub print_usage
{
print "Usage: genimage -h\n";
print " genimage -v\n";
print " genimage [-i <nodebootif>] [-n <nodenetdrivers>] [-r <additional_nics>]\n [-o <os>] [-p <profile>] [-k <kernal_version>]\n";
print " genimage [-i <nodebootif>] [-n <nodenetdrivers>] [-r <additional_nics>]\n [-k <kernal_version>] image_name\n";
print "Examples:\n";
print " genimage -i eth0 -n igb,e1000e,bnx2 -o centos5.4 -p compute\n";
print " genimage -o suse11\n";
print " genimage\n";
print " genimage -i eth0 -n igb,e1000e,bnx2 myimage\n";
print " genimage myimage\n";
}
if (!GetOptions(
'o=s' => \$os,
'i=s' => \$interface,
'a=s' => \$arch,
'p=s' => \$profile,
'n=s' => \$drivers,
'k=s' => \$kernel,
'r=s' => \$otherInterfaces,
'h|help' => \$help,
'v|version' => \$version,
'c' => \$color
)) {
&print_usage;
exit 1;
}
if($help){
print "genimage is a shell for the genimage located in /opt/xcat/share/xcat/netboot/<osfamily>.\n";
&print_usage;
exit 0;
}
if ($version){
my $version = xCAT::Utils->Version();
xCAT::MsgUtils->message("N", $version);
exit 0;
}
if (@ARGV > 0) {
$imagename=$ARGV[0];
}
if ((!$imagename) && (!$profile) && (!$os) && (!$arch)) {
my $tmpimgs=`lsdef -t osimage -w provmethod=~'/statelite|netboot/' |cut -d' ' -f1`;
if ($? == 0) {
if (($tmpimgs) && ($tmpimgs !~ /^Could/)) { #Could is returned when the osimage table is empty
my @images=split('\n', $tmpimgs);
print color("reset");
print "Do you want to re-genarate an existing image from the osimage table? ";
print color("bold"), "[y/n] ",color("reset");
my $conf = <stdin>;
chomp($conf);
if($conf ne "" && $conf !~/N|n|[Nn][Oo]/) {
$match = 0;
while(1){
print color("bold");
print "Available images: \n";
print color("reset");
foreach(sort @images){
$color && print color("green" );
print " $_\n";
$color && print color("reset");
}
# default is the first image cause in many cases
print "Which image do you want to re-generate? [";
print color("bold"), $images[0] , color("reset");
print "] ";
my $img = <stdin>;
chomp($img);
if($img eq ""){
$imagename = @images[0];
last;
}
foreach(@images){
if($img eq $_){
$imagename=$img;
$match = 1;
}
}
if ($match) {
last;
} else {
print color("red bold"), "$img is not found in the osimage table.\n", color("reset");
}
}
}
}
}
}
if ($imagename) {
if ($os or $profile or $arch) {
print "-o, -a and -p options are not allowed when a image name is specified.\n";
exit 1;
}
#load the module in memory
eval {require("$::XCATROOT/lib/perl/xCAT/Table.pm")};
if ($@) {
print $@;
exit 1;
}
#get the info from the osimage and linuximage tables
my $osimagetab=xCAT::Table->new('osimage', -create=>1);
if (!$osimagetab) {
print "The osimage table cannot be opened.\n";
exit 1;
}
my $linuximagetab=xCAT::Table->new('linuximage', -create=>1);
if (!$linuximagetab) {
print "The linuximage table cannot be opened.\n";
exit 1;
}
(my $ref) = $osimagetab->getAttribs({imagename => $imagename}, 'osvers', 'osarch', 'profile', 'provmethod');
if (!$ref) {
print "Cannot find image \'$imagename\' from the osimage table.\n";
exit 1;
}
(my $ref1) = $linuximagetab->getAttribs({imagename => $imagename}, 'pkglist', 'netdrivers', 'kernelver');
if (!$ref1) {
print "Cannot find $imagename from the linuximage table\n";
exit 1;
}
$os=$ref->{'osvers'};
$arch=$ref->{'osarch'};
$profile=$ref->{'profile'};
my $provmethod=$ref->{'provmethod'};
unless ($os and $profile) {
print"osimage.osvers and osimage.profile must be specified for the image $imagename in the database.\n";
exit 1;
}
$drivers=$ref1->{'netdrivers'};
$kernel=$ref1->{'kernelver'};
}
# get the install directory
my $installdir = `gettab key=installdir site.value`;
chomp($installdir);
# lots of error checking to make sure it exists.
if($installdir eq ''){
print "Could not get install directory from site table. Assuming your OSes are stored in '/install'\n";
$installdir = "/install";
}
unless(-d $installdir){
print "The directory where your OS distributions resides: $installdir does not exist. Please check site table\n";
exit 1;
}
unless($os){
my @dircontents = `ls $installdir`;
chomp(@dircontents);
foreach (@dircontents) {
if($_ =~ /(rhel|fedora|sl|centos|suse)/){
push @oses,$_;
}
}
if($#oses eq -1){
print "There are no OS repositories in $installdir. Please run copycds for the OS first.\n";
exit 1;
}
# now they have the OSes, make sure they select one that is available
$match = 0;
while(1){
print color("bold");
print "Available OSes: \n";
print color("reset");
foreach(@oses){
$color && print color("green" );
print " $_\n";
$color && print color("reset");
}
# default is the first OS cause in many cases, they'll only have 1.
print "Which OS do you want to build a image for? [";
print color("bold"), $oses[0] , color("reset");
print "] ";
$os = <stdin>;
chomp($os);
if($os eq ""){
$os = @oses[0];
last;
}
foreach(@oses){
if($os eq $_){
$match = 1;
}
}
if($match){
last;
}else{
print color("red bold"), "$os is not found in '$installdir'\n", color("reset");
}
}
chomp($os);
}
$color && print color("cyan");
print " OS: $os\n";
$color && print color("reset");
### Get the Profile ####
my $osfamily = $os;
$osfamily =~ s/\d+//g;
$osfamily =~ s/\.//g;
if($osfamily =~ /rh/){
$osfamily = "rh";
}
# OS version on s390x can contain 'sp', e.g. sles11sp1
# If the $osfamily contains 'sles' and 'sp', the $osfamily = sles
if ($osfamily =~ /sles/ && $osfamily =~ /sp/) {
$osfamily = "sles";
}
#print "OSfamily: $osfamily\n";
$profDir = "$::XCATROOT/share/xcat/netboot/$osfamily";
unless(-d $profDir){
print color("red bold") , "Unable to find genimage script in $profDir\n", color("reset");
exit 1;
}
unless($profile){
my $profDir2 = "$installdir/custom/netboot/$osfamily";
my @proList = `ls $profDir/*.pkglist`;
if (-d $profDir2) {
@proList = (@proList, `ls $profDir2/*.pkglist`);
}
my %seen = ();
foreach (@proList) {
my $f = basename($_);
$f =~ s/([^\.]*).*/$1/;
chomp($f);
$seen{$f}++;
}
@profiles = sort keys %seen;
if($#profiles eq -1){
print color("red bold"), "There are no profiles in $::XCATROOT/share/xcat/netboot/$osfamily.\n", color("reset");
exit 1;
}
$match = 0;
while(1){
print color("bold"), "Available Profiles for $os: \n", color("reset");
foreach(@profiles){
$color && print color("green");
print " $_\n";
$color && print color("reset");
}
# default is the first OS cause in many cases, they'll only have 1.
print "Which profile do you want to use for $os? [";
print color("bold"), $profiles[0] , color("reset");
print "] ";
$profile = <stdin>;
chomp($profile);
if($profile eq ""){
$profile = $profiles[0];
last;
}
foreach(@profiles){
if($profile eq $_){
$match = 1;
}
}
if($match eq 1){
last;
}
}
}
$color && print color("cyan");
print " Profile: $profile\n";
$color && print color("reset");
# get the interface
unless($interface){
while(1){
print "Which network interface do you want the image to boot from? [";
print color("bold"), "eth0" ,color("reset");
print "] ";
$interface = <stdin>;
chomp($interface);
if($interface eq ""){
$interface = "eth0";
last;
}else{
print "You want your stateless machines to boot off of ";
$color && print color("cyan");
print "$interface";
$color && print color("reset");
print "? ";
print color("bold"),"[Y/n] ", color("reset");
my $conf = <stdin>;
chomp($conf);
if($conf eq ""){
last;
}
if($conf =~ /Y|y|[Yy][Ee][Ss]/){
last;
}
}
}
}
$color && print color("cyan");
print " Interface: $interface\n";
$color && print color("reset");
# get drivers
unless($drivers){
while(1){
print "Which network drivers will you need? (press enter if you're not sure) ";
print color("bold"), "\n[igb,e1000e,e1000,bnx2,tg3] ", color("reset");
$drivers = <stdin>;
chomp($drivers);
if($drivers eq ""){
$drivers = "igb,e1000e,e1000,bnx2,tg3";
last;
}else{
print "You want to use the following driver(s): ";
$color && print color("cyan");
print $drivers;
$color && color("reset");
print "? ";
print color("bold"),"[Y/n] ", color("reset");
my $conf = <stdin>;
chomp($conf);
if($conf eq ""){
last;
}
if($conf =~ /Y|y|[Yy][Ee][Ss]/){
last;
}
}
}
}
$color && print color("cyan");
print " Network drivers: $drivers\n";
$color && print color("reset");
# get other interfaces
unless($otherInterfaces){
my $first=1;
while(1){
if ($first) {
print "Do you need to set up other interfaces? ";
$first = 0;
} else {
print "Do you need to set up more interfaces besides $otherInterfaces? ";
}
print color("bold"), "[y/n] ",color("reset");
my $conf = <stdin>;
chomp($conf);
if($conf eq "" || $conf =~/N|n|[Nn][Oo]/){
last;
}else{
print "What other interface do you need? ";
my $tmp = <stdin>;
chomp($tmp);
if($tmp eq ""){
last;
}else{
if ($otherInterfaces) {
$otherInterfaces = "$otherInterfaces,$tmp";
} else {
$otherInterfaces=$tmp;
}
} #end confirmation
} # end part where they don't want default
} # end question loop
} # end getting other interfaces
if($otherInterfaces){
$color && print color("cyan");
print " Other Interfaces: $otherInterfaces\n";
$color && color("reset");
}
# get kernel info
unless($kernel){
while(1){
print "Which kernel do you want to use? [";
print color("bold"), "default" , color("reset");
print "] ";
$kernel = <stdin>;
chomp($kernel);
if($kernel eq ""){
# special case of RHEL5.4 where kenrel must be specified or you
# get some other one
if($os =~ /rhels5.4|centos5.4|rhel5.4|sl5.4/){
$kernel = "2.6.18-164.el5";
}
last;
}else{
print "You want to use: ";
$color && print color("cyan");
print $kernel;
$color && print color("reset");
print "? ";
print color("bold"),"[Y/n] ", color("reset");
my $conf = <stdin>;
chomp($conf);
if($conf eq ""){
last;
}
if($conf =~ /Y|y|[Yy][Ee][Ss]/){
last;
}
}
}
} # end unless kernel
if($kernel){
$color && print color("blue");
print " Kernel: $kernel\n";
$color && print color("reset");
}
print "Generating image:\n";
my $cmd;
if ($imagename) {
$cmd = "./genimage -i $interface -n $drivers $imagename";
} else {
$cmd = "./genimage -i $interface -n $drivers -o $os -p $profile ";
}
if ($kernel) {
$cmd .= " -k $kernel";
}
if($otherInterfaces){
$cmd .= " -r $otherInterfaces";
}
$color && print color("cyan");
print "cd $profDir\n";
print "$cmd\n";
$color && print color("reset");
exec("cd $profDir; $cmd");