xcat-core/xCAT-server/lib/xcat/plugins/copycds.pm
2008-07-28 18:32:22 +00:00

115 lines
2.8 KiB
Perl

# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
package xCAT_plugin::copycds;
use strict;
use warnings;
use Storable qw(dclone);
use xCAT::Table;
use Thread qw(yield);
use Data::Dumper;
use Getopt::Long;
use File::Basename;
use Cwd;
Getopt::Long::Configure("bundling");
Getopt::Long::Configure("pass_through");
my $processed = 0;
my $callback;
sub handled_commands {
return {
copycds => "copycds",
}
}
my $identified;
sub take_answer {
#TODO: Intelligently filter and decide things
my $resp = shift;
$callback->($resp);
$identified=1;
}
sub process_request {
my $request = shift;
$callback = shift;
my $doreq = shift;
my $distname = undef;
my $arch = undef;
$identified=0;
$::CDMOUNTPATH="/mnt/xcat";
my $existdir = getcwd;
@ARGV = @{$request->{arg}};
GetOptions(
'n|name|osver=s' => \$distname,
'a|arch=s' => \$arch
);
if ($arch and $arch =~ /i.86/) {
$arch = 'x86';
}
my @args = @ARGV; #copy ARGV
unless ($#args >= 0) {
$callback->({error=>"copycds needs at least one full path to ISO currently."});
return;
}
my $file;
foreach (@args) {
unless (/^\//) { #If not an absolute path, concatenate with client specified cwd
s/^/$request->{cwd}->[0]\//;
}
# /dev/cdrom is a symlink on some systems. We need to be able to determine
# if the arg points to a block device.
if (-l $_) {
my $link = readlink($_);
# Symlinks can be relative, i.e., "../../foo"
if ($link =~ m{^/})
{ $file = $link; }
else
{ $file = dirname($_) . "/" . $link; } # Unix can handle "/foo/../bar"
}
else { $file = $_; }
my $mntopts;
if (-r $file and -b $file) # Block device?
{ $mntopts = "-o ro"; }
elsif (-r $file and -f $file) # Assume ISO file
{ $mntopts = "-o ro,loop"; }
else {
$callback->({error=>"The management server was unable to find/read $file. Ensure that file exists on the server at the specified location."});
return;
}
mkdir "/mnt/xcat";
if (system("mount $mntopts $file /mnt/xcat")) {
$callback->({error=>"copycds was unable to mount $file to /mnt/xcat."});
return;
}
my $newreq = dclone($request);
$newreq->{command}= [ 'copycd' ]; #Note the singular, it's different
$newreq->{arg} = ["-p","/mnt/xcat"];
if ($distname) {
push @{$newreq->{arg}},("-n",$distname);
}
if ($arch) {
push @{$newreq->{arg}},("-a",$arch);
}
$doreq->($newreq,\&take_answer);
$::CDMOUNTPATH="";
chdir($existdir);
while (wait() > 0) { yield(); } #Make sure all children exit before trying umount
system("umount /mnt/xcat");
unless ($identified) {
$callback->({error=>["copycds could not identify the ISO supplied, you may wish to try -n <osver>"],errorcode=>[1]});
}
}
}
1;
# vim: set ts=2 sts=2 sw=2 et ai: