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Put in a mknetboot for a primitive disklesss image build. Targetted at more simplistic environments than Perceus.

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@37 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso 2007-11-05 22:12:39 +00:00
parent fafeee0905
commit eeca5a7634
1 changed files with 75 additions and 1 deletions
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76
xCAT-server-2.0/usr/lib/xcat/plugins/centos.pm
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@ -3,6 +3,8 @@ package xCAT_plugin::centos;
use Storable qw(dclone);
use Sys::Syslog;
use xCAT::Table;
use Cwd;
use File::Copy;
use xCAT::Template;
use xCAT::Postage;
use Data::Dumper;
@ -25,7 +27,8 @@ my %numdiscs = (
sub handled_commands {
return {
copycd => "centos",
mkinstall => "nodetype:os=centos.*"
mkinstall => "nodetype:os=centos.*",
mknetboot => "centos"
}
}
@ -40,9 +43,80 @@ sub process_request {
return copycd($request,$callback,$doreq);
} elsif ($request->{command}->[0] eq 'mkinstall') {
return mkinstall($request,$callback,$doreq);
} elsif ($request->{command}->[0] eq 'mknetboot') {
return makenetboot($request,$callback,$doreq);
}
}
sub makenetboot {
my $req = shift;
my $callback = shift;
my $doreq = shift;
my @args=@{$req->{arg}};
unless (grep /^centos/,@args) {
return;
}
(my $osver,my $arch, my $profile)=split(/-/,$args[0],3);
my $installroot;
my $sitetab = xCAT::Table->new('site');
if ($sitetab) {
(my $ref) = $sitetab->getAttribs({key=>installdir},value);
print Dumper($ref);
if ($ref and $ref->{value}) {
$installroot = $ref->{value};
}
}
unless ($installroot) {
$callback->({error=>["No installdir defined in site table"],errorcode=>[1]});
return;
}
my $srcdir = "/$installroot/$osver/$arch";
unless ( -d $srcdir."/repodata" ) {
$callback->({error=>["copycds has not been run for $osver/$arch"],errorcode=>[1]});
return;
}
my $yumconf;
open($yumconf,">","/tmp/mknetboot.$$.yum.conf");
print $yumconf "[$osver-$arch]\nname=$osver-$arch\nbaseurl=file:///$srcdir\ngpgcheck=0\n";
close($yumconf);
system("yum -y -c /tmp/mknetboot.$$.yum.conf --installroot=$installroot/netboot/$osver/$arch/$profile/rootimg/ --disablerepo=* --enablerepo=$osver-$arch install bash dhclient kernel openssh-server openssh-clients dhcpv6_client vim-minimal");
my $cfgfile;
open($cfgfile,">","$installroot/netboot/$osver/$arch/$profile/rootimg/etc/fstab");
print $cfgfile "devpts /dev/pts devpts gid=5,mode=620 0 0\n";
print $cfgfile "tmpfs /dev/shm tmpfs defaults 0 0\n";
print $cfgfile "proc /proc proc defaults 0 0\n";
print $cfgfile "sysfs /sys sysfs defaults 0 0\n";
close($cfgfile);
open ($cfgfile,">","$installroot/netboot/$osver/$arch/$profile/rootimg/etc/sysconfig/network");
print $cfgfile "NETWORKING=yes\n";
close($cfgfile);
open ($cfgfile,">","$installroot/netboot/$osver/$arch/$profile/rootimg/etc/sysconfig/network-scripts/ifcfg-eth0");
print $cfgfile "ONBOOT=yes\nBOOTPROTO=dhcp\nDEVICE=eth0\n";
close($cfgfile);
open ($cfgfile,">","$installroot/netboot/$osver/$arch/$profile/rootimg/etc/sysconfig/network-scripts/ifcfg-eth1");
print $cfgfile "ONBOOT=yes\nBOOTPROTO=dhcp\nDEVICE=eth1\n";
close($cfgfile);
link("$installroot/netboot/$osver/$arch/$profile/rootimg/sbin/init","$installroot/netboot/$osver/$arch/$profile/rootimg/init");
rename(<$installroot/netboot/$osver/$arch/$profile/rootimg/boot/vmlinuz*>,"$installroot/netboot/$osver/$arch/$profile/kernel");
if (-d "$installroot/postscripts/hostkeys") {
for my $key (<$installroot/postscripts/hostkeys/*key>) {
copy ($key,"$installroot/netboot/$osver/$arch/$profile/rootimg/etc/ssh/");
}
}
if (-d "/$installroot/postscripts/.ssh") {
mkdir("/$installroot/root/.ssh");
chmod(0700,"/$installroot/root/.ssh");
for my $file (</$installroot/postscripts/.ssh/*>) {
copy ($key,"/$installroot/root/.ssh/");
}
chmod(0600,</$installroot/root/.ssh/*>);
}
my $oldpath=cwd;
chdir("$installroot/netboot/$osver/$arch/$profile/rootimg");
system("find . '!' -wholename './usr/share/man*' -a '!' -wholename './usr/share/locale*' -a '!' -wholename './usr/share/i18n*' -a '!' -wholename './var/cache/yum*' -a '!' -wholename './usr/share/doc*' -a '!' -wholename './usr/lib/locale*' -a '!' -wholename './boot*' |cpio -H newc -o | gzip -c - > ../rootimg.gz");
chdir($oldpath);
}
sub mkinstall {
my $request = shift;
my $callback = shift;