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mount /dev /sys and /proc from host readonly during genimage for redhat;correct a typo in ubuntu genimage

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This commit is contained in:
immarvin
2016-03-25 22:15:44 -04:00
parent bc1732ced9
commit 9713d69ed3
2 changed files with 35 additions and 2 deletions
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35
xCAT-server/share/xcat/netboot/rh/genimage
View File

@ -69,9 +69,34 @@ my $noupdate;
sub xdie {
system("rm -rf /tmp/xcatinitrd.$$");
umount_chroot($rootimage_dir);
die @_;
}
sub mount_chroot {
my $rootimage_dir = shift;
#postinstall script of package installation
#might access the /proc, /sys and /dev filesystem
#mount them from host read-only
system("mkdir -p $rootimage_dir/proc");
system("mount proc $rootimage_dir/proc -t proc -o ro");
system("mkdir -p $rootimage_dir/sys");
system("mount sysfs $rootimage_dir/sys -t sysfs -o ro");
system("mkdir -p $rootimage_dir/dev");
system("mount devtmpfs $rootimage_dir/dev -t devtmpfs -o ro");
}
sub umount_chroot {
my $rootimage_dir = shift;
system("umount $rootimage_dir/proc");
system("umount $rootimage_dir/sys");
system("umount $rootimage_dir/dev");
}
#check whether a dir is NFS mounted
sub isNFSdir{
my $dir=shift;
@ -283,6 +308,8 @@ unless ($onlyinitrd) {
exit 1;
}
mount_chroot($rootimg_dir);
my %pkg_hash=imgutils::get_package_names($pkglist);
my $index=1;
@ -292,6 +319,7 @@ unless ($onlyinitrd) {
foreach (keys(%{$pkg_hash{$pass}})) {
if($_ eq "INCLUDEBAD") {
print "Unable to open the following pkglist files:\n".join("\n",@{$pkg_hash{$pass}{INCLUDEBAD}});
umount_chroot($rootimg_dir);
exit 1;
}
@ -320,6 +348,7 @@ unless ($onlyinitrd) {
}
if ($found eq 0) {
print "Cannot find the kernel with version $kernelver.\n";
umount_chroot($rootimg_dir);
exit 1;
}
push @npa, $kernelname;
@ -342,6 +371,7 @@ unless ($onlyinitrd) {
my $rc = system("$envlist $yumcmd install $pkgnames");
if ($rc) {
print "yum invocation failed\n";
umount_chroot($rootimg_dir);
exit 1;
}
}
@ -366,6 +396,7 @@ unless ($onlyinitrd) {
if($_ eq "INCLUDEBAD") {
print "Unable to open the following pkglist files:\n".join("\n",@{$extra_hash{$pass}{INCLUDEBAD}});
umount_chroot($rootimg_dir);
exit 1;
}
@ -444,6 +475,7 @@ unless ($onlyinitrd) {
print "yum invocation failed\n";
# remove the hacked uname file
unuse_hackuname();
umount_chroot($rootimg_dir);
exit 1;
}
} else {
@ -475,8 +507,9 @@ unless ($onlyinitrd) {
# use the original uname binary
unuse_hackuname();
}
umount_chroot($rootimg_dir);
# ignore any return code
postscripts(); #run 'postscripts'
}

2
xCAT-server/share/xcat/netboot/ubuntu/genimage
View File

@ -1976,7 +1976,7 @@ sub mount_chroot {
system("mkdir -p $rootimage_dir/sys");
system("mount sysfs $rootimage_dir/sys -t sysfs -o ro");
system("mkdir -p $rootimage_dir/dev");
system("mount sysfs $rootimage_dir/dev -t devfs -o ro");
system("mount devfs $rootimage_dir/dev -t devfs -o ro");
if ($pkgdir) {
if (-d $pkgdir) {