mfs 6.33 KB
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#
# 
#
use strict;
use libinstall;
use installvars;
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use emutil;
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my $MFSTARBALL	    = ($ELABINELAB ?
		       "tftpboot-elabinelab.tar.gz" :
		       "tftpboot-latest.tar.gz");
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my $MFSURL	    = "http://www.emulab.net/downloads/$MFSTARBALL";
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my $MFSCONSOLE      = $NODECONSOLE;
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my $MFSDESCRIPTORS  = "$TOP_SRCDIR/install/descriptors-mfs.xml";
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my $LOCALIZE_MFS    = "$PREFIX/sbin/localize_mfs";
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my $ZONEINFO	    = "/usr/share/zoneinfo";
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sub Install($$$)
{
    my ($server, $isupdate, $impotent) = @_;

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    #
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    # Configure can override setting it here.
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    #
    # XXX defaulting this based on the OS running on the boss node is sketchy.
    # It should really be based on the LCD of the experiment nodes. Quite
    # likely, multiple MFSes will be needed as newer HW will not be supported
    # by older MFSes and vice versa.
    #
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    if ($MFSVERSION eq "") {
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	if (($FBSD_MAJOR > 10 || ($FBSD_MAJOR == 10 && $FBSD_MINOR >= 3)) &&
	    $FBSD_ARCH eq "amd64") {
	    $MFSVERSION = "10-64";
	}
	elsif ($FBSD_MAJOR > 8 || ($FBSD_MAJOR == 8 && $FBSD_MINOR >= 2)) {
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	    if ($FBSD_ARCH eq "amd64") {
		$MFSVERSION = "8-64";
	    } else {
		$MFSVERSION = "82";
	    }
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	}
	elsif ($FBSD_MAJOR > 7 || $FBSD_MAJOR == 7 && $FBSD_MINOR >= 2) {
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	    $MFSVERSION = "72";
	}
	else {
	    $MFSVERSION = "62";
	}
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    }
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    if ($MFSVERSION eq "62" || $MFSVERSION eq "47") {
	$MFSTARBALL = "tftpboot-legacy.tar.gz";
	$MFSURL = "http://www.emulab.net/downloads/$MFSTARBALL";
    }
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    #
    # Want to recreate the directory and start over. 
    #
    if ($isupdate) {
	Phase "tftpboot_rename", "Backing up $TFTP_DIR", sub {
	    DoneIfDoesntExist($TFTP_DIR);
	    BackupDirectoryFatal($TFTP_DIR);
	    ExecQuietFatal("/bin/rm -rf $TFTP_DIR")
		if (!$impotent);
	};
	Phase "tftpboot_recreate", "Recreating $TFTP_DIR", sub {
	    DoneIfExists($TFTP_DIR);
	    mkdir $TFTP_DIR,0775 or
		PhaseFail("Unable to create $TFTP_DIR : $!");
	    ExecQuietFatal("$CHGRP tbadmin $TFTP_DIR");
	};
    }

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    Phase "mfs", "Setting up MFSs", sub {
	my $localfile = "$TFTP_DIR/tftpboot.tar.gz";
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	my $kernelvers;
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	Phase "mfsfetch", "Fetching MFS tarball", sub {
	    DoneIfExists($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${fv}") {
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	    if ($fv eq "10-64") {
		$fv = "8-64";
	    } else {
		$fv = "47";
	    }
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	}
	my $pdir = ".";
	if (-d "$TFTP_DIR/pxeboot${fv}") {
	    $pdir = "pxeboot${fv}";
	}
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	elsif (-d "$TFTP_DIR/pxeboot72") {
	    $pdir = "pxeboot72";
	}
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	my $cons = $MFSCONSOLE;
	if (! -e "$TFTP_DIR/$pdir/pxeboot.emu-${cons}") {
	    $cons = "sio";
	}
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	Phase "pxemv", "Using ${cons} version of $pdir", sub {
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	    DoneIfExists("$TFTP_DIR/pxeboot.emu");
	    ExecQuietFatal("cd $TFTP_DIR; ".
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			   "$CP -p $pdir/pxeboot.emu-${cons} pxeboot.emu");
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	};
	Phase "freemv", "Using freebsd${fv} version of admin MFS", sub {
	    DoneIfExists("$TFTP_DIR/freebsd");
	    ExecQuietFatal("cd $TFTP_DIR; $MV freebsd${fv} freebsd");
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	    # find the best MFS kernel to use
	    if (!$kernelvers) {
		if (-x "$TFTP_DIR/freebsd/boot/kernel10") {
		    $kernelvers = 10;
		} elsif (-x "$TFTP_DIR/freebsd/boot/kernel9") {
		    $kernelvers = 9;
		}
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	    }
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	};
	Phase "frismv", "Using frisbee${fv} version of disk load MFS", sub {
	    DoneIfExists("$TFTP_DIR/frisbee");
	    ExecQuietFatal("cd $TFTP_DIR; $MV frisbee${fv} frisbee");
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	    # find the best MFS kernel to use
	    if (!$kernelvers) {
		if (-x "$TFTP_DIR/frisbee/boot/kernel10") {
		    $kernelvers = 10;
		} elsif (-x "$TFTP_DIR/frisbee/boot/kernel9") {
		    $kernelvers = 9;
		}
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	    }
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	};
	#
	# Older tarballs didn't have FBSD-specific versions of newnode MFS.
	#
	if (! -e "$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${fv}.newnode freebsd.newnode");
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		# find the best MFS kernel to use
		if (!$kernelvers) {
		    if (-x "$TFTP_DIR/freebsd.newnode/boot/kernel10") {
			$kernelvers = 10;
		    } elsif (-x "$TFTP_DIR/freebsd.newnode/boot/kernel9") {
			$kernelvers = 9;
		    }
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		}
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	    };
	}

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	#
	# Before we localize, need to set the MFS password sitevar,
	# since localize will break otherwise.
	#
	Phase "password", "Setting up MFS password", sub {
	    my $passhash;
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	    # Skip in update mode.
	    PhaseSkip("update mode")
		if ($isupdate);
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	    my ($status, @output) =
		ExecQuiet("$PREFIX/sbin/setsitevar -c $IMAGEPASSWORDSITEVAR");
	    PhaseFail("setsitevar failed")
		if ($status);
	    if (@output) {
		chomp($output[0]);
		PhaseSkip("already set")
		    if ($output[0] ne "");
	    }

	    #
	    # Use the same password for everything.
	    #
	    if (defined($password)) {
		$passhash = PassWordHash($password);
	    }
	    else {
		#
		# Use current root password, since we know people will
		# choose reasonable root passwords.
		#
		($status,@output) =
		    ExecQuiet("egrep '^root:' /etc/master.passwd");
		PhaseFail("egrep failed")
		    if ($status);
		if (@output && $output[0] ne '' &&
		    $output[0] =~ /^root:([^:]*)/) {
		    $passhash = $1;
		}
	    }
	    PhaseFail("Could not determine image password")
		if (!defined($passhash));

	    ExecQuietFatal("$PREFIX/sbin/setsitevar ".
			   "   $IMAGEPASSWORDSITEVAR '$passhash'");
	};

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	#
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	# Localize the MFSs
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	#
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	# This opt says to include igb cruft. Needed on G8s.
	#
	my $opt = ($PROTOGENI_GENIRACK ? "-i" : "");
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	if ($kernelvers) {
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	    $opt .= " -F $kernelvers";
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	}
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	Phase "localize", "Localizing the MFSes", sub {
	    foreach my $mfs ("frisbee", "freebsd", "freebsd.newnode") {
		Phase "$mfs", "Localizing $mfs", sub {
		    DoneIfExists("$TFTP_DIR/$mfs/boot/mfsroot.gz");
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		    ExecQuietFatal("$LOCALIZE_MFS $opt $TFTP_DIR/$mfs");
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		};
	    }
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	};

	#
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	# Load the descriptors into the DB. Inside an elabinelab these are
	# already loaded, but the script will just skip over them without
	# raising an error.
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	#
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	if (!$isupdate) {
	    Phase "descriptors", "Loading the Image and OS IDS", sub {
		ExecQuietFatal("cd $TOP_OBJDIR/install; ".
			       "   $SUDO -u $PROTOUSER $WAP ".
			       "   perl load-descriptors $MFSDESCRIPTORS");
	    };
	}
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	PhaseSucceed("done");
    };
    return 0;
}

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