ops-install.in 29.4 KB
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#!/usr/bin/perl -w

#
# EMULAB-COPYRIGHT
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# Copyright (c) 2003, 2004, 2005, 2006 University of Utah and the Flux Group.
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# All rights reserved.
#

#
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# install-ops - Script to do the initial install of an ops node
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#
# The main things it does not do yet:
# * Figure out where to put directories such as /users /proj - they must
#   already exist
# * Fill out mailing list files - presumably, it's easier to just get the
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#   User to edit them himself
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#

#
# Configure variables
#
my $PREFIX = '@prefix@';

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my @MAILING_LISTS = ("@TBOPSEMAIL@","@TBLOGSEMAIL@","@TBWWWEMAIL@",
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    "@TBAPPROVALEMAIL@","@TBAUDITEMAIL@","@TBSTATEDEMAIL@",
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    "@TBTESTSUITEEMAIL@");

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my $OURDOMAIN   = '@OURDOMAIN@';
my $USERNODE    = '@USERNODE@';
my $FSNODE      = '@FSNODE@';
my $BOSSNODE    = '@BOSSNODE@';
my $BOSSNODE_IP = '@BOSSNODE_IP@';
my $USERNODE_IP = '@USERNODE_IP@';
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my $FSNODE_IP   = '@FSNODE_IP@';
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my $LOGFACIL    = '@TBLOGFACIL@';
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my $ELABINELAB  = @ELABINELAB@;
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my $WINSUPPORT  = @WINSUPPORT@;
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my $MAILMANSUPPORT = @MAILMANSUPPORT@;
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my $QUOTA_FSLIST= '@FS_WITH_QUOTAS@';
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my $LOGDIR      = "$PREFIX/log";
my $ETCDIR      = "$PREFIX/etc";

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# True if we are also the FS node
my $ISFS	= ($USERNODE eq $FSNODE) ? 1 : 0;

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# For /share export below.
my $CONTROL_NETWORK = "@CONTROL_NETWORK@";
my $CONTROL_NETMASK = "@CONTROL_NETMASK@";

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# Should be configure variable
my $TBADMINGID  = 101;

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#
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# Allow this to work if the library is left in the source directory
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#
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use lib '@srcdir@';
   
use English;
use libinstall;
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use Getopt::Std;

#
# Handle command-line options
#
sub usage {
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    print "Usage: ops-install [-b] [-p packagedir] [-P portname]\n";
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    exit(1);
}

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# Version of FreeBSD.
my $FBSD_VERSION = 4;
if (`uname -r` =~ /^(\d)/) {
    $FBSD_VERSION = $1;
}
else {
    die("Could not determine what version of FreeBSD you are running!\n");
}

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#
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# The meta-ports (name and version) that drag in all the dependancies for
# an ops/fs node. These are OS dependent as we upgrade.
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#
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my $OPS_PORT  = (($FBSD_VERSION == 4) ? "emulab-ops-1.4" : "emulab-ops-2.0");
my $FS_PORT   = (($FBSD_VERSION == 4) ? "emulab-fs-1.4" : "emulab-fs-2.0");
my $PHP4_PORT = "php4-extensions-1.0";
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my $packagedir = "";
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my $batchmode  = 0;
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my $password;
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my %opts;
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if (! getopts("P:p:bw:F:", \%opts)) {
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    usage();
}
if (defined($opts{p})) {
    $packagedir = $opts{p};
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}
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if (defined($opts{b})) {
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    $batchmode = 1;
}
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if (defined($opts{P})) {
    $OPS_PORT = $opts{P};
}
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if (defined($opts{F})) {
    $FS_PORT = $opts{F};
}
if (defined($opts{w})) {
    $password = $opts{w};
}
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if (@ARGV) {
    usage();
}
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#
# Figure out which directory we live in, so that some stages can do thing
# relative to it.
#
my $OBJDIR = `/usr/bin/dirname $0`;
chomp $OBJDIR;
my $TOP_OBJDIR = "$OBJDIR/..";

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#
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# Some programs we use
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#
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my $CHGRP      = "/usr/bin/chgrp";
my $CHMOD      = "/bin/chmod";
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my $CHOWN      = "/usr/sbin/chown";
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my $PW         = "/usr/sbin/pw";
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my $PATCH      = "/usr/bin/patch";
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my $NEWALIASES = "/usr/bin/newaliases";
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my $SH         = "/bin/sh";
my $PKG_INFO   = "/usr/sbin/pkg_info";
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my $PKG_ADD    = "/usr/sbin/pkg_add";
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my $PWD        = "/bin/pwd";
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my $CP         = "/bin/cp";
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my $MV         = "/bin/mv";
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my $GMAKE      = "/usr/local/bin/gmake";
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my $ENV        = "/usr/bin/env";
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my $MOUNT      = "/sbin/mount";
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#
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# Some files we edit/create
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#
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my $RCCONF          = "/etc/rc.conf";
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my $HOSTS           = "/etc/hosts";
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my $FSTAB           = "/etc/fstab";
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my $RCLOCAL         = "/etc/rc.local";
my $RCCAPTURE       = "$PREFIX/etc/rc.capture";
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my $LOCAL_HOSTNAMES = "/etc/mail/local-host-names";
my $ALIASES_FILE    = "/etc/mail/aliases";
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my $SENDMAIL_CF     = "/etc/mail/sendmail.cf";
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my $EXPORTS_FILE    = "/etc/exports";
my $EXPORTS_HEAD    = "$EXPORTS_FILE.head";
my $SYSLOG_CONF     = "/etc/syslog.conf";
my $NEWSYSLOG_CONF  = "/etc/newsyslog.conf";
my $SUDOERS         = "/usr/local/etc/sudoers";
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my $SSHD_CONFIG     = "/etc/ssh/sshd_config";
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my $CRONTAB         = "/etc/crontab";
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my $AUTHKEYS	    = "/root/.ssh/authorized_keys";
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my $SMBCONF_FILE    = "/usr/local/etc/smb.conf";
my $SMBCONF_HEAD    = "$SMBCONF_FILE.head";
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my $APACHE_ETCDIR   = "/usr/local/etc/apache";
my $HTTPD_CONF      = "$APACHE_ETCDIR/httpd.conf";

# For installing mysqld
my $MYSQL           = "/usr/local/bin/mysql";
my $MYSQLADMIN      = "/usr/local/bin/mysqladmin";
my $MYSQLSHOW       = "/usr/local/bin/mysqlshow";
my $MYSQLDUMP       = "/usr/local/bin/mysqldump";
my $MYSQLINSTALL    = "/usr/local/bin/mysql_install_db";
my $MYSQLDBDIR      = "/var/db/mysql";
my $MYSQL_LOGDIR    = "$LOGDIR/mysql";
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#
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# Some directories we care about
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#
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my $LIST_DIR      = "/etc/mail/lists";
my $TIPLOG_DIR    = "/var/log/tiplogs";
my $PORTSDIR      = "/usr/ports";
my $PORTSMISCDIR  = "$PORTSDIR/misc";
my $SRCDIR        = '@srcdir@';
my $TOP_SRCDIR    = "@top_srcdir@";
my $RCDIR         = "/usr/local/etc/rc.d";
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my $VARRUN        = "/var/run";
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#
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# And some lists that we use
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#
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my @LOCAL_HOSTS        = ($OURDOMAIN,$BOSSNODE,$USERNODE,$FSNODE);
my @LOGFILES           = ("/var/log/logins","/var/log/tiplogs/capture.log",
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    "/var/log/mountd.log");
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my @LOCAL_MAILING_LISTS = grep(/$OURDOMAIN$/,@MAILING_LISTS);
my @MAILING_LIST_NAMES  = map { /^([\w-]+)\@/ } @LOCAL_MAILING_LISTS;
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my @TESTBED_DIRS       = ([$PREFIX, "0775"], ["/users", "0755"],
    ["/proj", "0755"], ["/groups", "0755"], ["/share", "0775"]);
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my @MOUNTPOINTS        = ("/users", "/proj", "/groups", "/share");

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#
# A few files we have to deal with
#
my $ELVIND_CONF     = "/usr/local/etc/elvind.conf";
my $OPS_ELVIND_CONF = "$TOP_OBJDIR/event/etc/elvind-ops.conf";
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my $M2CRYPTO_PATCH  = "$TOP_SRCDIR/patches/m2crypto.patch";
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my $MAILMAN_PATCH   = "$TOP_SRCDIR/patches/mailman.patch";
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my $IDENTPUB        = "$TOP_SRCDIR/install/identity.pub";
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#
# List of names that goes into $HOSTS and which must resolve.
# 
my @OPS_NAMES = ($USERNODE, "users", "ops");
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if ($ISFS) {
    push(@OPS_NAMES, "fs");
}
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#
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# Make sure they know what they're getting into...
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#
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if (! $batchmode) {
    print STDERR
	"WARNING: This script is ONLY intended to be run on a machine\n";
    print STDERR
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	"that is being set up as a dedicated ops or ops+fs node. Continue? [y/N] ";
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    my $response = <>;
    die "Installation aborted!\n" unless ($response =~ /^y/i);
}
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if ($UID != 0) {
    die "This script must be run as root.\n";
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}

#
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# The phases are fairly self-explanatory
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#
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Phase "usersgroups", "Creating users and groups", sub {
    Phase "tbadmin", "Creating tbadmin group", sub {
	if (getgrnam("tbadmin")) {
	    PhaseSkip("tbadmin group already exists");
	}
	ExecQuietFatal("$PW groupadd tbadmin -g $TBADMINGID");
    };
    # Added next two cause the mysql package does not do this (port does).
    Phase "mysqlgroup", "Creating mysql group", sub {
	if (getgrnam("mysql")) {
	    PhaseSkip("mysql group already exists");
	}
	ExecQuietFatal("$PW groupadd mysql -g 88");
    };
    Phase "mysqluser", "Creating mysql user", sub {
	if (getpwnam("mysql")) {
	    PhaseSkip("mysql user already exists");
	}
	ExecQuietFatal("$PW useradd mysql -g 88 -g 88 -h - ".
		       "-d $MYSQLDBDIR -s /sbin/nologin -c 'MySQL Daemon'");
    };
    ExecQuietFatal("$CHOWN mysql:mysql $MYSQLDBDIR")
	if (-e $MYSQLDBDIR);
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};

Phase "dirs", "Setting directory permissions", sub {
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    foreach my $dirref (@TESTBED_DIRS) {
	my ($dir, $newmode) = @$dirref;
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	Phase $dir, $dir, sub {
	    if (!-d $dir) {
		PhaseFail("Directory $dir does not exist");
	    }
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	    # Use the real path, to avoid symlink problems
	    my $realdir = `realpath $dir`;
	    chomp $realdir;
	    my ($mode,$group) = (stat($realdir))[2,5];
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	    # Fix up the mode (strip file type)
	    $mode = $mode & 0777;
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	    if ($mode == eval $newmode && $group eq getgrnam("tbadmin")) {
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		PhaseSkip("Already done");
	    }
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	    ExecQuietFatal("$CHGRP tbadmin $realdir");
	    ExecQuietFatal("$CHMOD $newmode $realdir");
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	};
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    }
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};
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Phase "ports", "Installing ports", sub {
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    Phase "packages", "Installing packages", sub {
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	if (!ExecQuiet("$PKG_INFO -e $OPS_PORT") &&
	    (($FBSD_VERSION == 4) || !ExecQuiet("$PKG_INFO -e $PHP4_PORT"))) {
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	    PhaseSkip("Ports already installed");
	}
	if (!$packagedir) {
	    PhaseSkip("No package directory provided");
	}
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	ExecQuietFatal("$ENV PKG_PATH=$packagedir $PKG_ADD $OPS_PORT")
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	    if (ExecQuiet("$PKG_INFO -e $OPS_PORT"));
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	ExecQuietFatal("$ENV PKG_PATH=$packagedir $PKG_ADD $PHP4_PORT")
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	    if ($FBSD_VERSION > 4 && ExecQuiet("$PKG_INFO -e $PHP4_PORT"));
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    };
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    Phase "fs-packages", "Installing FS packages", sub {
	if (!$ISFS) {
	    PhaseSkip("Not FS Node");
	}
	if (!ExecQuiet("$PKG_INFO -e $FS_PORT")) {
	    PhaseSkip("FS ports already installed");
	}
	if (!$packagedir) {
	    PhaseSkip("No package directory provided");
	}
	ExecQuietFatal("$ENV PKG_PATH=$packagedir $PKG_ADD $FS_PORT");
    };
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    if ($MAILMANSUPPORT) {
	Phase "mailman", "Installing Mailman package", sub {
	    if (!ExecQuiet("$PKG_INFO -x -e mailman")) {
		PhaseSkip("Mailman package already installed");
	    }
	    if (!$packagedir) {
		PhaseSkip("No package directory provided");
	    }
	    # Lets not hardwire the package name; whatever it is will do.
	    my $pname = `ls $packagedir/mailman-*.tbz`;
	    PhaseFail("Cannot find mailman package in $packagedir!")
		if ($?);
	    chomp($pname);
	    
	    ExecQuietFatal("$ENV PKG_PATH=$packagedir $PKG_ADD $pname");
	};
    }
    PhaseSkip("Package directory provided; not installing from source")
	if ($packagedir);
    
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    Phase "pcopy", "Copying ports into place", sub {
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	DoneIfExists("$PORTSMISCDIR/emulab-ops");
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	ExecQuietFatal("$SH $SRCDIR/ports/ports-install");
    };
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    my $pwd = `$PWD`;
    chomp $pwd;
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    Phase "pinstall", "Installing ports (may take a while)", sub {
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	if (!ExecQuiet("$PKG_INFO -e $OPS_PORT")) {
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	    PhaseSkip("Ports already installed");
	}

	#
	# This port is dead-simple, so it's safe to do it from this script
	#
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	chdir "$PORTSMISCDIR/emulab-ops" or
		PhaseFail "Unable to change to $PORTSMISCDIR/emulab-ops: $!";
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	ExecQuietFatal("make -DBATCH install");
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    };
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    Phase "fs-pinstall", "Installing FS ports (may take a while)", sub {
	if (!$ISFS) {
	    PhaseSkip("Not FS Node");
	}
	if (!ExecQuiet("$PKG_INFO -e $FS_PORT")) {
	    PhaseSkip("Ports already installed");
	}
	chdir "$PORTSMISCDIR/emulab-fs" or
	    PhaseFail "Unable to change to $PORTSMISCDIR/emulab-fs: $!";
	ExecQuietFatal("make -DBATCH install");
    };
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    Phase "php4-pinstall", "Installing PHP4 ports (may take a while)", sub {
	if (!ExecQuiet("$PKG_INFO -e $PHP4_PORT")) {
	    PhaseSkip("Ports already installed");
	}
	chdir "$PORTSMISCDIR/emulab-php4" or
	    PhaseFail "Unable to change to $PORTSMISCDIR/emulab-php4: $!";
	ExecQuietFatal("make -DBATCH install");
    };
    if ($MAILMANSUPPORT) {
	Phase "mailman-pinstall", "Installing mailman ports", sub {
	    if (!ExecQuiet("$PKG_INFO -x -e mailman")) {
		PhaseSkip("Ports already installed");
	    }
	    chdir "$PORTSMISCDIR/emulab-mailman" or
		PhaseFail("Unable to change to ".
			  "$PORTSMISCDIR/emulab-mailman: $!");
	    ExecQuietFatal("make -DBATCH install");
	};
    }
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    chdir $pwd;
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};

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# XXX Temporary.
Phase "portfixup", "Fixing up packages", sub {
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    Phase "rsync", "Looking for rsync and installing", sub {
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	if (!ExecQuiet("$PKG_INFO -x rsync")) {
	    PhaseSkip("rsync already installed");
	}

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	PhaseFail("Must provide -p (packagedir) argument!")
	    if (!$packagedir);

	ExecQuietFatal("$ENV PKG_PATH=$packagedir $PKG_ADD rsync-2.6.3_1");
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    };
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    if ($WINSUPPORT) {
	Phase "samba", "Looking for Samba and installing", sub {
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	    if (!$ISFS) {
		PhaseSkip("Not FS Node");
	    }
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	    if (!ExecQuiet("$PKG_INFO -x samba")) {
		PhaseSkip("samba already installed");
	    }
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	    PhaseFail("Must provide -p (packagedir) argument!")
		if (!$packagedir);

	    ExecQuietFatal("$ENV PKG_PATH=$packagedir $PKG_ADD samba-3.0.7,1");
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	};
	Phase "gcc30", "Looking for GCC 3.0 and installing", sub {
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	    if ($FBSD_VERSION > 4 ||
		!ExecQuiet("$PKG_INFO -x gcc30")) {
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		PhaseSkip("GCC 3.0 already installed");
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	    }
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	    PhaseFail("Must provide -p (packagedir) argument!")
		if (!$packagedir);

	    ExecQuietFatal("$ENV PKG_PATH=$packagedir $PKG_ADD gcc30-3.0.4_1");
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	};
    }
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};

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Phase "patches", "Applying patches", sub {
    Phase "m2cryptopatch", "Patching m2crypto", sub {
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	my $patchfile = $M2CRYPTO_PATCH;
	
	if (ExecQuiet("$PKG_INFO -I -x m2crypto | fgrep -q -s '0.13'") == 0) {
	    $patchfile = "${patchfile}-0.13";
	}
	if (!ExecQuiet("$PATCH -C -f -l -R -p0 -i $patchfile")) {
	    PhaseSkip("$patchfile already applied");
	}
	ExecQuietFatal("$PATCH -f -l -p0 -i $patchfile");
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    };
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    if ($MAILMANSUPPORT) {
	Phase "mailmanpatch", "Patching mailman", sub {
	    my $patchfile = $MAILMAN_PATCH;
	
	    if (!ExecQuiet("$PATCH -C -f -l -R -p0 -i $patchfile")) {
		PhaseSkip("$patchfile already applied");
	    }
	    ExecQuietFatal("$PATCH -f -l -p0 -i $patchfile");
	};
    }
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}; 

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Phase "rc.conf", "Adding testbed content to rc.conf", sub {
    DoneIfEdited($RCCONF);
    AppendToFileFatal($RCCONF,
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		      qq|sendmail_enable="YES"|,
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		      qq|rpcbind_enable="YES"|,
		      qq|mountd_enable="YES"|,
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		      qq|nfs_server_enable="YES"|,
		      qq|nfs_server_flags="-u -t -n 16"|,
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		      qq|mountd_flags="-r -p 900"|,
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		      (($ISFS && $WINSUPPORT) ? qq|smbd_enable="YES"| : ()),
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		      qq|apache_enable="YES"|,
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		      qq|syslogd_flags=""|);
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};
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Phase "hosts", "Adding boss/ops/fs IP addresses to $HOSTS", sub {
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    DoneIfEdited($HOSTS);
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    my $hstr = "${BOSSNODE_IP}\t${BOSSNODE} boss" .
	"\n${USERNODE_IP}\t@OPS_NAMES";
    if (!$ISFS) {
	$hstr .= "\n${FSNODE_IP}\t${FSNODE} fs";
    }
    AppendToFileFatal($HOSTS, $hstr);
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};

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Phase "resolve", "Checking to make sure names for boss/ops/fs resolve", sub {
    my @hnames = (@OPS_NAMES, $BOSSNODE, "boss");

    if (!$ISFS) {
	push @hnames, $FSNODE, "fs";
    }
    foreach my $name (@hnames) {
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	Phase $name, $name, sub {
	    if (gethostbyname($name)) {
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		PhaseSucceed("$name resolves");
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	    } else {
		PhaseFail("$name does not resolve");
	    }
	};
    }
};

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Phase "sendmail","Configuring sendmail", sub {
    Phase "localhosts", "Setting up $LOCAL_HOSTNAMES", sub {
	DoneIfExists($LOCAL_HOSTNAMES);
	CreateFileFatal($LOCAL_HOSTNAMES,@LOCAL_HOSTS);
    };
    Phase "maillists", "Setting up mailing lists", sub {
	Phase "listdir", "Creating $LIST_DIR", sub { 
	    DoneIfExists($LIST_DIR);
	    mkdir($LIST_DIR,0755) or
		PhaseFail("Unable to create $LIST_DIR: $!");
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	    ExecQuietFatal("$CHGRP mailnull $LIST_DIR");
	    ExecQuietFatal("$CHMOD 750 $LIST_DIR");
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	};
	Phase "listfiles", "Creating mailing list files", sub {
	    foreach my $list (@MAILING_LIST_NAMES) {
		Phase $list, $list, sub {
		    DoneIfExists("$LIST_DIR/$list");
		    CreateFileFatal("$LIST_DIR/$list");
		};
	    }
	};
	Phase "aliases", "Adding lists to $ALIASES_FILE", sub {
	    DoneIfEdited($ALIASES_FILE);
	    AppendToFileFatal($ALIASES_FILE,
		map("$_:\t:include:$LIST_DIR/$_",@MAILING_LIST_NAMES));
	};
	Phase "newaliases", "Running newaliases", sub {
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	    PhaseSkip("No new aliases") unless @MAILING_LIST_NAMES;
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	    PhaseSkip("No new aliases") if PhaseWasSkipped("aliases");
	    ExecQuietFatal($NEWALIASES);
	};
    };
};

Phase "exports", "Setting up exports", sub {
    Phase "ex.head", "Creating $EXPORTS_HEAD", sub {
	DoneIfExists($EXPORTS_HEAD);

	#
	# Figure out which of these directories are on the same
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	# filesystems.  Note: we cannot do /share on the same exports line
	# as the other filesystems because of the RO mount below (trust me).
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	#
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	my @dirs = ('/var','/usr/testbed');
	if ($ISFS) {
	    @dirs = ('/users','/groups','/proj',@dirs);
	}
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	@dirs = map {`realpath $_`} @dirs;
	chomp @dirs;
	my %filesystems;
	foreach my $dir (@dirs) {
	    my ($dev,@junk) = stat $dir;
	    push @{$filesystems{$dev}}, $dir;
	}

	#
	# Use that knowledge to create lines for /etc/exports.head
	#
	my @exports_lines;
	foreach my $key (keys %filesystems) {
	    push @exports_lines,
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		join(" ",@{$filesystems{$key}}) .
		    "\t$BOSSNODE -maproot=root";
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	}

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	if ($ISFS) {
	    #
	    # /share is special. We want to export to boss read-write,
	    # but to the control network read-only.
	    #
	    my ($a,$b,$c,$d) =
		($CONTROL_NETWORK =~ /^(\d*)\.(\d*)\.(\d*)\.(\d*)/);
	    my $realdir = `realpath /share`;
	    chomp($realdir);
	    push(@exports_lines,
		 "$realdir\t$BOSSNODE -maproot=root");
	    push(@exports_lines,
		 "$realdir\t-network ${a}.${b}.${c} -mask $CONTROL_NETMASK ".
		 "-maproot=root -ro");
	}
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	#
	# Put them in exports.head, and copy that to /etc/exports
	#
	CreateFileFatal($EXPORTS_HEAD, @exports_lines);
	ExecQuietFatal("cp $EXPORTS_HEAD $EXPORTS_FILE");
    };

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    # XXX Newhup
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    Phase "mountd", "HUPing mountd", sub {
	PhaseSkip("No new exports file") if PhaseWasSkipped("ex.head");
	PhaseSkip("mountd not running") unless `ps -auxw | grep mountd | grep -v grep`;
	ExecQuietFatal("killall -HUP mountd");
    };
};
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Phase "NFSmounts", "Setting up NFS mounts", sub {
    if ($ISFS) {
	PhaseSkip("FSes are local");
    }

    Phase "mountpoints", "Creating mountpoints", sub {
	foreach my $dir (@MOUNTPOINTS) {
	    Phase $dir, $dir, sub {
		DoneIfExists($dir);
		mkdir $dir, 0777 or
		    PhaseFail("Unable to create $dir : $!");
	    };
	}
    };
    Phase "fstab", "Adding NFS mounts to $FSTAB", sub {
	DoneIfEdited($FSTAB);
	AppendToFileFatal($FSTAB,
		"$FSNODE:/users\t\t/users\tnfs\trw,nodev,nosuid\t0\t0",
		"$FSNODE:/proj\t\t/proj\tnfs\trw,nodev,nosuid\t0\t0",
		"$FSNODE:/groups\t\t/groups\tnfs\trw,nodev,nosuid\t0\t0",
		"$FSNODE:/share\t\t/share\tnfs\trw,nodev,nosuid\t0\t0");
    };
    Phase "mounts", "Mounting NFS filesystems", sub {
	foreach my $dir (@MOUNTPOINTS) {
	    Phase $dir, $dir, sub {
		DoneIfMounted($dir);
		ExecQuietFatal("$MOUNT -o '-R 1' $dir");
	    };
	}
    };
};

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#
# Set up syslog
#
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Phase "syslog", "Setting up syslog", sub {
    Phase "sysconf", "Editing $SYSLOG_CONF", sub {
	DoneIfEdited($SYSLOG_CONF);
	
	#
	# Can't just append to this file, unfortunately. Have to put some of
	# the lines in the middle of the file
	#
	open(SC,"+<$SYSLOG_CONF") or
	    PhaseFail("Unable to open $SYSLOG_CONF : $!");
	my @sc = <SC>;
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	if (scalar(grep(/$LOGFACIL/, @sc)) != 0) {
	    PhaseFail("Testbed chosen facility $LOGFACIL already in use in /etc/syslog.conf!");
	}
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	if (scalar(grep(/^cron/, @sc)) != 1) {
	    PhaseFail("Unable to find marker in /etc/syslog.conf!");
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	}

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	#
	# Clobber and re-write
	#
	seek(SC,0,0);
	truncate(SC,0);
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	foreach my $line (@sc) {
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	    #
	    # Modify the /var/log/messages line to exclude testbed stuff
	    #
	    my $pat = q(\s+/var/log/messages);
	    if ($line =~ /^[^#].*$pat/) {
		$line =~ s/($pat)/\;$LOGFACIL.none$1/;
	    }
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	    #
	    # XXX don't send anything to logged in root users.
	    # Per-user linktest proxies run on ops as root in a "full"
	    # ssh ("-t -t") which appears as a login shell.  Thus the
	    # linktest output given to the user might include syslog
	    # messages.
	    #
	    if ($line =~ /root$/) {
		$line =~ s/^/#/;
	    }

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	    print SC $line;
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	    #
	    # Find the cron line, after which we place our auth.info line
	    #
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	    if ($line =~ /^cron/) {
		print SC "# " . MAGIC_TESTBED_START . "\n";
		print SC "auth.info\t\t\t\t\t/var/log/logins\n";
		print SC "# " . MAGIC_TESTBED_END . "\n";
	    }
	}
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	#
	# Put a few more lines at the end
	#
	print SC "# " . MAGIC_TESTBED_START . "\n";
	print SC "!capture\n";
	print SC "*.*\t\t\t\t\t\t/var/log/tiplogs/capture.log\n";
	print SC "!mountd\n";
	print SC "*.*\t\t\t\t\t\t/var/log/mountd.log\n";
	print SC "# " . MAGIC_TESTBED_END . "\n";
	close SC;
    };

    Phase "tiplog", "Creating $TIPLOG_DIR", sub {
	DoneIfExists($TIPLOG_DIR);
	mkdir($TIPLOG_DIR,0755) or PhaseFail("Unable to make $TIPLOG_DIR : $!");
    };
    
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    Phase "logdir", "Creating log directory", sub {
	DoneIfExists($LOGDIR);
	mkdir $LOGDIR, 0775 or PhaseFail("Unable to create $LOGDIR : $!");
	ExecQuietFatal("$CHGRP tbadmin $LOGDIR");
	ExecQuietFatal("$CHMOD 775 $LOGDIR");
    };

    Phase "mysql-logdir", "Creating mysql log directory", sub {
	DoneIfExists($MYSQL_LOGDIR);
	mkdir $MYSQL_LOGDIR, 0775 or
	    PhaseFail("Unable to create $MYSQL_LOGDIR : $!");
	ExecQuietFatal("$CHOWN mysql:mysql $MYSQL_LOGDIR");
	ExecQuietFatal("$CHMOD 775 $MYSQL_LOGDIR");
    };

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    Phase "logfiles", "Creating log files", sub {
	foreach my $logfile (@LOGFILES) {
	    Phase $logfile, $logfile, sub {
		DoneIfExists($logfile);
		CreateFileFatal($logfile);
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		ExecQuietFatal("$CHGRP tbadmin $logfile");
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		ExecQuietFatal("$CHMOD 640 $logfile");
	    };
	}
    };

    Phase "newsyslog", "Setting up $NEWSYSLOG_CONF", sub {
	DoneIfEdited($NEWSYSLOG_CONF);
	AppendToFileFatal($NEWSYSLOG_CONF,
	    "/var/log/logins\t\t\t\t640  7     200 *      Z",
	    "/var/log/mountd.log\t\t\t640  5     200 *      Z",
	    "/var/log/tiplogs/capture.log\t\t644  7     *    168   Z");
    };
};

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Phase "cron", "Adding cron jobs", sub {
    Phase "crontab", "Editing $CRONTAB", sub {
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	if ($QUOTA_FSLIST eq "") {
	    PhaseSkip("No filesystem quotas");
	}
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	DoneIfEdited($CRONTAB);
	AppendToFileFatal($CRONTAB,
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	    "0 \t6\t*\t*\t*\troot\t$PREFIX/sbin/quotamail");
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    };
    Phase "cronhup", "HUPing cron", sub {
	if (PhaseWasSkipped("crontab")) { PhaseSkip("No new crontab"); }
	HUPDaemon("cron");
    };
};

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Phase "sudoers", "Editing $SUDOERS to allow wheel group", sub {
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    DoneIfEdited($SUDOERS);
    AppendToFileFatal($SUDOERS,"%wheel    ALL=(ALL) NOPASSWD: ALL");
};
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Phase "samba", "Setting up Samba", sub {
    if (!$ISFS) {
	PhaseSkip("Not FS node");
    }
    if (!$WINSUPPORT) {
	PhaseSkip("Windows support not enabled");
    }
    Phase "smb.conf", "Installing smb.conf[.head]", sub {
	DoneIfEdited($SMBCONF_HEAD);
	ExecQuietFatal("$CP -pf $TOP_OBJDIR/install/smb.conf.head $SMBCONF_HEAD");
	AppendToFileFatal($SMBCONF_HEAD,
			  "# This file created by Emulab Control");
	ExecQuietFatal("$CP -pf $SMBCONF_HEAD $SMBCONF_FILE");
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    };
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    Phase "samba.sh", "Installing samba.sh", sub {
	DoneIfExists("$RCDIR/samba.sh");
	DoneIfDoesntExist("$RCDIR/samba.sh.sample");
	ExecQuietFatal("$MV -f $RCDIR/samba.sh.sample $RCDIR/samba.sh");
    };
    if ($ELABINELAB) {	
	Phase "starting", "Starting Samba", sub {
	    DoneIfExists("$VARRUN/smbd.pid");
	    ExecQuietFatal("$RCDIR/samba.sh start");
	};
    }
};
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Phase "ssh", "Allowing root ssh", sub {
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    Phase "sshdconfig", "Permitting root login through ssh", sub {
	DoneIfEdited($SSHD_CONFIG);
	AppendToFileFatal($SSHD_CONFIG,"PermitRootLogin yes");
    };
    Phase "dotssh", "Making root's .ssh directory", sub {
	DoneIfExists("/root/.ssh");
	mkdir("/root/.ssh",0700) or
	    PhaseFail("Unable to create /root/.ssh: $!");
    };
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    Phase "authkeys", "Adding stub identity to root authorized_keys", sub {
	DoneIfEdited($AUTHKEYS);
	my $ident = `cat $IDENTPUB`;
	PhaseFail("Could not read $IDENTPUB")
	    if ($?);
	chomp($ident);
	if (! -e $AUTHKEYS) {
	    CreateFileFatal($AUTHKEYS);
	}
	AppendToFileFatal($AUTHKEYS,
			  "from=\"${BOSSNODE}\" $ident");
    };
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};

Phase "capture", "Setting up capture", sub {
    Phase "rc.local", "Creating $RCLOCAL", sub {
	DoneIfExists($RCLOCAL);
	CreateFileFatal($RCLOCAL,
	    "if [ -f /etc/defaults/rc.conf ]; then",
	    "\t. /etc/defaults/rc.conf",
	    "fi",
	    "",
	    "if [ -x $RCCAPTURE ]; then",
	    "\techo -n \" capture\"",
	    "\t$RCCAPTURE",
	    "fi");
    };
    Phase "etc", "Creating $PREFIX/etc", sub {
	DoneIfExists("$PREFIX/etc");
	mkdir("$PREFIX/etc",0755) or
	    PhaseFail("Unable to create $PREFIX/etc: $!");
    };
    Phase "rc.capture", "Creating empty $RCCAPTURE", sub {
	DoneIfExists($RCCAPTURE);
	CreateFileFatal($RCCAPTURE,"#!/bin/sh");
	ExecQuietFatal("$CHMOD a+rx $RCCAPTURE");
    };
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};

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Phase "event", "Setting up event system", sub {
    Phase "elvinconf", "Installing elvind config file", sub {
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	DoneIfIdentical($ELVIND_CONF,$OPS_ELVIND_CONF);
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	ExecQuietFatal("$CP $OPS_ELVIND_CONF $ELVIND_CONF");
    };
};

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Phase "rc.d", "Setting up rc.d scripts", sub {
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    Phase "rsyncd", "Removing rsyncd startup script",  sub {
	DoneIfDoesntExist("$RCDIR/rsyncd.sh");
	if (!unlink "$RCDIR/rsyncd.sh") {
	    PhaseFail("Unable to remove $RCDIR/rsyncd.sh: $!");
	}
    };
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    Phase "mysql-server", "Removing $RCDIR/mysql-server.sh", sub {
	DoneIfDoesntExist("$RCDIR/mysql-server.sh");
	if (!unlink "$RCDIR/mysql-server.sh") {
	    PhaseFail("Unable to remove $RCDIR/mysql-server.sh: $!");
	}
    };
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    Phase "rc.testbed", "Installing testbed RC scripts", sub {
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        Phase "elvind.sh", "Removing port version of elvind.sh", sub {
	    DoneIfDoesntExist("$RCDIR/elvind.sh");
            ExecQuietFatal("/bin/rm -f $RCDIR/elvind.sh");
        };
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	DoneIfExists("$RCDIR/2.elvind.sh");
	ExecQuietFatal("$GMAKE -C $TOP_OBJDIR/rc.d control-install");
    };
};

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Phase "apache", "Installing apache config file", sub {
    PhaseSkip("apache not supported on ops")
	if ($FBSD_VERSION == 4);

    DoneIfEdited("$HTTPD_CONF");
    ExecQuietFatal("$GMAKE -C $TOP_OBJDIR/apache control-install");
};

Phase "database", "Setting up database", sub {
    PhaseSkip("mysqld not supported on ops")
	if ($FBSD_VERSION == 4);
    
    # Get a password for the the DB.
    Phase "password", "Asking for mysqld root password", sub {
	DoneIfExists("$ETCDIR/mysqld.pwd");

	if (!defined($password)) {
	    print "\n\nPick a password for mysqld (warning, will be echoed): ";
	    $password = <>;
	    chomp($password)
		if (defined($password));
	}
	PhaseFail("Invalid password supplied")
	    if (!defined($password) || $password eq "");
	
	CreateFileFatal("$ETCDIR/mysqld.pwd", "$password");
	ExecQuietFatal("$CHMOD 750 $ETCDIR/mysqld.pwd");
	ExecQuietFatal("$CHGRP tbadmin $ETCDIR/mysqld.pwd");
    };
    $password = `cat $ETCDIR/mysqld.pwd`;
    chomp($password);

    Phase "initialize", "Initializing mysql", sub {
	PhaseSkip("mysqld already initialzed")
	    if (-d "$MYSQLDBDIR/mysql");

	ExecQuietFatal("$MYSQLINSTALL --ldata=${MYSQLDBDIR}");
	ExecQuietFatal("$CHOWN -R mysql:mysql $MYSQLDBDIR");
    };
    
    Phase "start", "Starting mysqld", sub {
	my ($exitval) = ExecQuiet("$MYSQLADMIN -u mysql ping");

	PhaseSkip("mysqld already running")
	    if ($exitval == 0);

	ExecQuietFatal("$RCDIR/1.mysql-server.sh start");
	# Give mysqld some time to start, then make sure it did
	sleep 5;
	ExecQuietFatal("$MYSQLADMIN -u mysql ping");
    };

    # Once the password is inserted and privs flushed, will need a password
    # from this point forward!
    Phase "privs", "Initializing mysqld priv system", sub {
	my ($exitval, @rows) =
	    ExecQuiet("echo 'select * from user limit 1' | ".
		      "$MYSQL -s -u root mysql");
	if ($exitval) {
	    PhaseSkip("Privs already initialized");
	}
	($exitval, @rows) =
	    ExecQuietFatal("echo 'update user set ".
			   " Password=PASSWORD(\"$password\") ".
			   "where user=\"root\"; flush privileges' | ".
			   "$MYSQL -s -u root mysql");
    };
};

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if ($MAILMANSUPPORT) {
    my $MAILMANDIR   = "/usr/local/mailman";
    my $MAILMANCFG   = "$MAILMANDIR/Mailman/mm_cfg.py";
    my $MAILMANLISTS = "$MAILMANDIR/lists";
    my $MAILMANPWD   = "$ETCDIR/mailman.pwd";
    my $MAILMANALIAS = "/etc/mail/aliases.mailman";
    my $TBOPSEMAIL   = "@TBOPSEMAIL@";
    
    Phase "Mailman", "Setting up Mailman", sub {
	PhaseSkip("mailman not supported on ops")
	    if ($FBSD_VERSION == 4);

	# Patch for broken install
	ExecQuietFatal("$CHMOD 2770 $MAILMANDIR/archives/private");

	# Get a password for the mailman installation.
	Phase "password", "Generating mailman password", sub {
	    DoneIfExists($MAILMANPWD);
	    
	    my $string = substr(GenSecretKey(), 0, 10);

	    PhaseFail("Invalid password supplied")
		if (!defined($string) || $string eq "");
	
	    CreateFileFatal("$MAILMANPWD", "$string");
	    ExecQuietFatal("$CHMOD 750 $MAILMANPWD");
	    ExecQuietFatal("$CHGRP tbadmin $MAILMANPWD");
	};
	my $secret = `cat $MAILMANPWD`;
	chomp($secret);

	Phase "config", "Editing local config file", sub {
	    DoneIfEdited("$MAILMANCFG");

	    AppendToFileFatal($MAILMANCFG,
			      "DEFAULT_EMAIL_HOST = '${OURDOMAIN}'",
			      "DEFAULT_URL_HOST = '${USERNODE}'",
			      "add_virtualhost(DEFAULT_URL_HOST, ".
			                       "DEFAULT_EMAIL_HOST)");
	};
	Phase "mailman", "Creating mailman list", sub {
	    PhaseSkip("List already created")
		if (-d "$MAILMANLISTS/mailman");

	    ExecQuietFatal("cd $MAILMANDIR; ".
			   "bin/newlist -q mailman $TBOPSEMAIL $secret");
	};
	Phase "subscribe", "Subscribing testbed-ops", sub {
	    PhaseSkip("Already subscribed")
		if (ExecQuiet("$MAILMANDIR/bin/list_members mailman | ".
			      "fgrep -q -s $TBOPSEMAIL") == 0);

	    ExecQuietFatal("cd $MAILMANDIR; ".
			   "echo $TBOPSEMAIL | ".
			   "   bin/add_members -r - -w n -a n mailman");
	};
	# Can do this as many times as we like. No way to know.
	ExecQuietFatal("cd $MAILMANDIR; ".
		       "bin/config_list -i data/sitelist.cfg mailman");
	# Ditto
	ExecQuietFatal("cd $MAILMANDIR; ".
		       "bin/mmsitepass $secret; ".
		       "bin/mmsitepass -c $secret");

	Phase "config", "Editing $SENDMAIL_CF", sub {
	    PhaseSkip("Already edited")
		if (ExecQuiet("fgrep AliasFile $SENDMAIL_CF | ".
			      "fgrep -q -s mailman") == 0);

	    ExecQuietFatal("sed -i .orig -e ".
			   "  's,\\(AliasFile.*\\),\\1\\,$MAILMANALIAS,' ".
			   "$SENDMAIL_CF");
	};
	Phase "aliases", "Creating $MAILMANALIAS", sub {
	    DoneIfExists($MAILMANALIAS);
	    CreateFileFatal($MAILMANALIAS);
	};
	Phase "newaliases", "Running newaliases", sub {
	    PhaseSkip("No new aliases") if PhaseWasSkipped("aliases");
	    ExecQuietFatal($NEWALIASES);
	};
    };
}
exit(0)
    if ($ELABINELAB);

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print "----------------------------------------------------------------------\n";
print "Installation completed succesfully!\n";
print "Please reboot this machine before proceeding with boss setup\n";
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if (!PhaseWasSkipped("maillists")) {
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    print "Local mailing lists have been created, with no members, in\n";
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    print "$LIST_DIR . Please add members to the following lists:\n";
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    print map "$_\n", @LOCAL_MAILING_LISTS;
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}