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Add -l and -t options to genimage to limit max root and tmp respectively

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@604 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso 2008-02-27 20:32:31 +00:00
parent 27155fe05c
commit 07974f01ef
1 changed files with 20 additions and 3 deletions
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23
xCAT-server-2.0/share/xcat/netboot/rh/genimage
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@ -23,6 +23,9 @@ my $onlyinitrd=0;
if ($name =~ /geninitrd/) {
$onlyinitrd=1;
}
my $rootlimit;
my $tmplimit;
GetOptions(
#'a=s' => \$architecture,
@ -30,7 +33,9 @@ GetOptions(
'o=s' => \$osver,
'n=s' => \$netdriver,
'i=s' => \$prinic,
'r=s' => \$othernics
'r=s' => \$othernics,
'l=s' => \$rootlimit,
't=s' => \$tmplimit
);
unless ($osver and $profile and $netdriver and $prinic) {
print 'Usage: genimage -i <nodebootif> -n <nodenetdrivers> [-r <otherifaces>] -o <OSVER> -p <PROFILE>'."\n";
@ -197,10 +202,18 @@ sub mkinitrd {
print $inifile " mkdir -p /ro\n";
print $inifile " mkdir -p /rw\n";
print $inifile " mount -t squashfs /rootimg.sfs /ro\n";
print $inifile " mount -t tmpfs rw /rw\n";
if ($rootlimit) {
print $inifile " mount -o size=$rootlimit -t tmpfs rw /rw\n";
} else {
print $inifile " mount -t tmpfs rw /rw\n";
}
print $inifile " mount -t aufs -o dirs=/rw:/ro mergedroot /sysroot\n";
print $inifile "elif [ -r /rootimg.gz ]; then\n";
print $inifile " mount -t tmpfs rootfs /sysroot\n";
if ($rootlimit) {
print $inifile " mount -o size=$rootlimit -t tmpfs rootfs /sysroot\n";
} else {
print $inifile " mount -t tmpfs rootfs /sysroot\n";
}
print $inifile " cd /sysroot\n";
print $inifile " echo -n \"Extracting root filesystem:\"\n";
print $inifile " if [ -x /bin/cpio ]; then\n";
@ -316,6 +329,10 @@ sub generic_post { #This function is meant to leave the image in a state approxi
print $cfgfile "tmpfs /dev/shm tmpfs defaults 0 0\n";
print $cfgfile "proc /proc proc defaults 0 0\n";
print $cfgfile "sysfs /sys sysfs defaults 0 0\n";
if ($tmplimit) {
print $cfgfile "tmpfs /tmp tmpfs defaults 0 0\n";
print $cfgfile "tmpfs /var/tmp tmpfs defaults 0 0\n";
}
close($cfgfile);
open($cfgfile,">","$installroot/netboot/$osver/$arch/$profile/rootimg/etc/sysconfig/network");
print $cfgfile "NETWORKING=yes\n";