ops-install.in 7.52 KB
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#!/usr/bin/perl -w

#
# EMULAB-COPYRIGHT
# Copyright (c) 2000-2003 University of Utah and the Flux Group.
# All rights reserved.
#

#
# install-ops.sh - Script to do the initial install of an ops node
#
# 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
#   user to edit them himself
#

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

my @mailing_lists = ('@TBOPSEMAIL@','@TBLOGSEMAIL@','@TBWWWEMAIL@',
    '@TBAPPROVALEMAIL@','@TBLOGSEMAIL@','@TBAUDITEMAIL@','@TBSTATEDEMAIL@',
    '@TBTESTSUITEEMAIL@');

my $OURDOMAIN = '@OURDOMAIN@';

my $USERNODE = '@USERNODE@';
my $FSNODE = '@FSNODE@';
my $BOSSNODE = '@BOSSNODE@';

use English;

#
# Make sure they know what they're getting into...
#
warn "WARNING: This script is ONLY intended to be run on a machine that is\n";
warn "being set up as a dedicated ops node. Continue? [y/N]\n";
my $response = <>;
die "Installation aborted!\n" unless ($response =~ /^y/i);

if ($UID != 0) {
    die "This script must be run as root.\n";
}

#
# Create the tbadmin group
#
print "Creating tbadmin group ...\n";

#
# We don't want to fail if pw fails - we want to be able to run this script
# mutliple times
#
system "/usr/sbin/pw groupadd tbadmin -g 101 -q";

#
# Make sure that they have all the proper directories created, and chmod 'em
# to the proper thing.
#
print "Setting up directories ...\n";
my @testbeddirs = ($PREFIX,"/users","/proj","/groups");
foreach my $dir (@testbeddirs) {
    if (-d $dir) {
	system "/usr/bin/chgrp tbadmin $dir" and
	    die "Unable to chgrp $dir!\n";
	chmod 0775, $dir or die "Unable to chmod $dir : $!\n";
    } else {
	die "ERROR - Directory $dir has not yet been created - please see\n",
	    "Step 0 in doc/setup-ops.txt\n";
    }
}

#
# Add stuff to /etc/rc.conf
#
print "Editing /etc/rc.conf ... \n";
open(RC,"+</etc/rc.conf") or die "Unable to open /etc/rc.conf: $!\n";

#
# See if we've already done this
#
if (grep /testbed installation/,<RC>) {
    print "    Already done, skipping\n";
} else {
    print RC "\n# The following lines were added by the testbed installation ".
    	"process\n";
    print RC "sendmail_enable=\"YES\"\n";
    print RC "nfs_server_enable=\"YES\"\n";
    print RC "nfs_server_flags=\"-u -t -n 16\"\n";
    print RC "syslogd_flags=\"\"\n";
    print RC "# End of testbed section\n";
}
close RC;

#
# Set up sendmail
#
print "Setting up sendmail ...\n";

#
# Tell sendmail which hosts it's supposed to receive mail for
#
my $local_hostnames = "/etc/mail/local-host-names";
print "    Setting up $local_hostnames ...\n";
if (-e $local_hostnames) {
    print "        $local_hostnames already exists, skipping\n";
} else {
    open(LHN,">$local_hostnames") or die "Unable to open $local_hostnames : $!\n";
    my @hostnames = ($OURDOMAIN,$BOSSNODE,$USERNODE,$FSNODE);
    print LHN map "$_\n",@hostnames;
    close LHN;
}

#
# Create the directory for auto-generated lists
#
my $lists_dir = "/etc/mail/lists";
print "    Creating $lists_dir ...\n";
if (-d $lists_dir) {
    print "        $lists_dir already exists, skipping\n";
} else {
    mkdir($lists_dir,0755) or die "Unable to make $lists_dir : $!\n";
}

#
# Find lists that are to be hosted on this machine - put them in the aliases
# file, and make a file to put the addresses in
#
print "    Creating mailing lists ...";
@mailing_lists = grep /\@$OURDOMAIN$/, @mailing_lists;
open(MA,">>/etc/mail/aliases") or die "Unable to open /etc/mail/aliases: $!\n";
foreach $list (@mailing_lists) {
    $list =~ /^([\w-]+)\@/;
    my $list_name = $1;
    if (!$list_name) {
	die "Malformed email address: $list\n";
    }
    if (-e "$lists_dir/$list_name") {
	next;
    }
    system "touch $lists_dir/$list_name" and die
	"Unable to create $lists_dir/$list_name";
    print MA "$list_name:\t:include:$lists_dir/$list_name\n";
}
close MA;

if (@mailing_lists) {
    print "    Running newaliases ...\n";
    system "newaliases" and die "Error running newaliases!\n";
}

#
# Set up exports
#
print "Creating /etc/exports.head ...\n";
if (-e "/etc/exports.head") {
    print "    Already done, skipping\n";
} else {
    #
    # Figure out which of these directories are on the same
    # filesystems
    #
    my @dirs = ('/users','/groups','/proj','/var');
    @dirs = map {`realpath $_`} @dirs;
    chomp @dirs;
    my %filesystems;
    foreach my $dir (@dirs) {
	my ($dev,@junk) = stat $dir;
	push @{$filesystems{$dev}}, $dir;
    }
    
    #
    # Now, make the exports entries
    #
    open(EX,">>/etc/exports.head") or die
	"Unable to open /etc/exports.head: $!\n";
    foreach my $key (keys %filesystems) {
	print EX join(" ",@{$filesystems{$key}}), "\t$BOSSNODE -alldirs -maproot=root\n";
    }
    close EX;
    system "cp /etc/exports.head /etc/exports" and die
    	"Unable to copy /etc/exports.head to /etc/exports\n";
}

#
# Set up syslog
#
print "Setting up syslog ...\n";
print "    Editing /etc/syslog.conf\n";
open(SC,"+</etc/syslog.conf") or die "Unable to open /etc/syslog.conf: $!\n";
#
# See if we've already done this
#
my @sc = <SC>;
if (grep /testbed installation/, @sc) {
    print "        Already done, skipping\n";
} else {
    # Make sure we can find what we're looking for before we clobber
    # the file!
    if (scalar(grep(/^cron/, @sc)) != 1) {
	die "Unable to find marker in /etc/syslog.conf!\n";
    }
    # Clobber and re-write
    seek(SC,0,0);
    truncate(SC,0);

    #
    # Find the ftp line, after which we place our auth.info line
    #
    foreach my $line (@sc) {
	print SC $line;
	if ($line =~ /^cron/) {
	    print SC "# The following line was added by the testbed " .
		"installation process\n";
	    print SC "auth.info\t\t\t\t\t/var/log/logins\n";
	}
    }

    #
    # Put a few more lines at the end
    #
    print SC "# The following line was added by the testbed installation ".
	"process\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";
}
close SC;

my $tiplog_dir = "/var/log/tiplogs";
print "    Creating $tiplog_dir ...\n";
if (-d $tiplog_dir) {
    print "        $tiplog_dir already exists, skipping\n";
} else {
    mkdir($tiplog_dir,0755) or die "Unable to make $tiplog_dir : $!\n";
}

print "    Creatings logs ...\n";
my @logfiles = ("/var/log/logins","/var/log/tiplogs/capture.log",
    "/var/log/mountd.log");
foreach my $logfile (@logfiles) {
    system "touch $logfile" and die "Unable to create $logfile!\n";
    chmod 0640, $logfile or die "Unable to change permissions on $logfile!\n";
}

print "    Editing /etc/newsyslog.conf ...\n";
open(NS,"+</etc/newsyslog.conf") or die "Unable to open /etc/newsyslog.conf: $!\n";
#
# See if we've already done this
#
if (grep /testbed installation/,<NS>) {
    print "        Already done, skipping\n";
} else {
    print NS "\n# The following lines were added by the testbed installation ".
    	"process\n";
    print NS "/var/log/logins\t\t\t\t640  7     200 *      Z\n";
    print NS "/var/log/mountd.log\t\t\t640  5     200 *      Z\n";
    print NS "/var/log/tiplogs/capture.log\t\t644  7     *    168   Z\n";
}
close NS;

print "----------------------------------------------------------------------\n";
print "Installation completed succesfully!\n";
print "Please reboot this machine before proceeding with boss setup\n";
if (@mailing_lists) {
    print "Local mailing lists have been created, with no members, in\n";
    print "/etc/mail/lists/ . Please add members to the following lists:\n";
    print map "$_\n", @mailing_lists;
}
exit 0;