mfs 4.36 KB
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#
# 
#
use strict;
use libinstall;
use installvars;

my $MFSTARBALL	    = "tftpboot-elabinelab.tar.gz";
my $MFSURL	    = "http://www.emulab.net/downloads/$MFSTARBALL";
my $MFSVERSION      = "62";
my $MFSCONSOLE      = "sio";
my $MFSDESCRIPTORS  = "$TOP_SRCDIR/install/descriptors-mfs.xml";

sub Install($$$)
{
    my ($server, $isupdate, $impotent) = @_;

    # Replace if this script does an update for ip/domain.
    return 0
	if ($isupdate);

    if ($FBSD_MAJOR >= 7.2) {
	$MFSVERSION = "72";
    }

    Phase "mfs", "Setting up MFSs", sub {
	my $localfile = "$TFTP_DIR/tftpboot.tar.gz";
	
	Phase "mfsfetch", "Fetching MFS tarball", sub {
	    DoneIfExists($localfile);
	    FetchFileFatal($MFSURL, $localfile);
	};
	Phase "mfsunpack", "Unpacking MFS tarball", sub {
	    DoneIfExists("$TFTP_DIR/README");
	    ExecQuietFatal("$TAR xzf $localfile -C $TFTP_DIR");
	};
	#
	# Its the generic stuff; must localize.
	#
	my $fv = $MFSVERSION;
	if (! -e "$TFTP_DIR/freebsd${fv}") {
	    $fv = "47";
	}
	my $pdir = ".";
	if (-d "$TFTP_DIR/pxeboot${fv}") {
	    $pdir = "pxeboot${fv}";
	}
	my $cons = $MFSCONSOLE;
	if (! -e "$TFTP_DIR/$pdir/pxeboot.emu-${cons}") {
	    $cons = "sio";
	}
	Phase "pxemv", "Using ${cons} version of pxeboot", sub {
	    DoneIfExists("$TFTP_DIR/pxeboot.emu");
	    ExecQuietFatal("cd $TFTP_DIR; ".
			   "$MV $pdir/pxeboot.emu-${cons} pxeboot.emu");
	};
	Phase "freemv", "Using freebsd${fv} version of admin MFS", sub {
	    DoneIfExists("$TFTP_DIR/freebsd");
	    ExecQuietFatal("cd $TFTP_DIR; $MV freebsd${fv} freebsd");
	};
	Phase "frismv", "Using frisbee${fv} version of disk load MFS", sub {
	    DoneIfExists("$TFTP_DIR/frisbee");
	    ExecQuietFatal("cd $TFTP_DIR; $MV frisbee${fv} frisbee");
	};
	#
	# Older tarballs didn't have FBSD-specific versions of newnode MFS.
	#
	if (! -e "$TFTP_DIR/freebsd.newnode") {
	    Phase "newnode", "Using freebsd${fv} version of newnode MFS", sub {
		DoneIfExists("$TFTP_DIR/freebsd.newnode");
		ExecQuietFatal("cd $TFTP_DIR; ".
			       "$MV freebsd${fv}.newnode freebsd.newnode");
	    };
	}

	#
	# Copy the inner SSL cert and root's public ssh keys to the MFSes
	# so that they will talk to the inner boss properly.
	# At Berkeley the frisbee MFS copies these to disk images,
	# needing changes to slicefix, which always needs to be run now.
	#
	MungeMfsRoot("frisbee");
	MungeMfsRoot("freebsd");
	MungeMfsRoot("freebsd.newnode");

	#
	# Finally, create the compressed versions of the MFS files
	#
	Phase "prepare1", "Compressing the frisbee MFS", sub {
	    DoneIfExists("$TFTP_DIR/frisbee/boot/mfsroot.gz");
	    ExecQuietFatal("cd $TFTP_DIR/frisbee/boot; ./prepare");
	};
	Phase "prepare2", "Compressing the freebsd MFS", sub {
	    DoneIfExists("$TFTP_DIR/freebsd/boot/mfsroot.gz");
	    ExecQuietFatal("cd $TFTP_DIR/freebsd/boot; ./prepare");
	};
	Phase "prepare3", "Compressing the newnode MFS", sub {
	    DoneIfExists("$TFTP_DIR/freebsd.newnode/boot/mfsroot.gz");
	    ExecQuietFatal("cd $TFTP_DIR/freebsd.newnode/boot; ./prepare");
	};

	#
	# Load the descriptors into the DB. Do not do this in an elabinelab
	# cause we get a bunch of conflicting DB state from the outer boss.
	#
	Phase "descriptors", "Loading the Image and OS IDS", sub {
	    ExecQuietFatal("cd $TOP_OBJDIR/install; ".
			   "   $SUDO -u $PROTOUSER $WAP ".
			   "   perl load-descriptors $MFSDESCRIPTORS");
	};
	PhaseSucceed("done");
    };
    return 0;
}

sub MungeMfsRoot($)
{
    my $tftpdir = shift;
    my $MFSROOT = "$TFTP_DIR/$tftpdir/boot/mfsroot";

    Phase "Munge", "Munging the $tftpdir root file system", sub {
	PhaseSkip("already munged")
	    if (-e "${MFSROOT}.gz");
	
	if ($FBSD_MAJOR >= 5) {
	    ExecQuietFatal("mdconfig -a -t vnode -f $MFSROOT -u 2");
	    ExecQuietFatal("mount /dev/md2 /mnt");
	}
	else {
	    ExecQuietFatal("vnconfig -c vn1 $MFSROOT");
	    ExecQuietFatal("mount /dev/vn1 /mnt");
	}

	my ($status,@output) = 
	    ExecQuiet("cat /root/.ssh/*.pub >> /mnt/root/.ssh/authorized_keys2");
	
	if ($status == 0) {
	    ($status,@output) = 
		ExecQuiet("cp -p $ETCDIR/emulab.pem $ETCDIR/client.pem ".
			  "   /mnt/etc/emulab");
	}
	
	ExecQuietFatal("umount /mnt");
	if ($FBSD_MAJOR >= 5) {
	    ExecQuietFatal("mdconfig -d -u 2");
	}
	else {
	    ExecQuietFatal("vnconfig -u vn1");
	}
	if ($status) {
	    my $msg = join(' ', @output);
	    PhaseFail("Unable to execute: '$msg'");
	}
	PhaseSucceed("Munged");
    };
    return 0;
}

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