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#!/usr/bin/perl -w |
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# |
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# Dobrica Pavlinusic <dpavlin@rot13.org> 2007-01-07 |
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# |
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use strict; |
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use Shell qw/mkdir vzsplit rm/; |
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use IO::Prompt; |
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use Regexp::Common qw/net/; |
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use lib 'lib'; |
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use VZ; |
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use Getopt::Long; |
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# default debian distribution |
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my $dist = 'etch'; |
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# debian mirror to use |
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my $debian_mirror_uri = 'http://www.debian.org/debian'; |
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my $arh = 'i386'; |
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# split physicial machine in how meny virtual ones? |
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my $split = 4; |
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# swap size (Mb) |
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my $swap_size = 512; |
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# diskspace |
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my $diskspace = '2G:4G'; |
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$dist = 'lenny'; |
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$arh = 'amd64'; |
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GetOptions( |
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'dist=s' => \$dist, |
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'arh=s' => \$arh, |
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'mirror=s' => \$debian_mirror_uri, |
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'split=i' => \$split, |
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); |
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check_root; |
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my $config_file = $0; |
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$config_file =~ s!-create.pl!-tools.conf!; |
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warn "## $config_file\n"; |
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if (-e $config_file) { |
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open(my $fh, '<', $config_file) || die "can't open $config_file: $!"; |
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eval join("\n", <$fh>); |
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close($fh); |
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die "Error in $config_file: $@" if ($@); |
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} |
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print "Creating new OpenVZ instance...\n"; |
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my ($hostname, $ip) = ('localhost',''); |
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foreach my $arg ( @ARGV ) { |
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if ($arg =~ m/$RE{net}{IPv4}/) { |
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$ip = $arg; |
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if ( my $h = ip2hostname($ip) ) { |
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$hostname = $h; |
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} |
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} elsif ($arg) { |
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if ( my $addr = hostname2ip($arg) ) { |
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( $hostname, $ip ) = ( $arg, $addr ); |
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} else { |
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$hostname = $arg; |
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} |
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} |
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} |
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# nuke arguments so that prompt doesn't get confused |
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@ARGV = (); |
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$ip ||= prompt('Enter IP: ', -require => { |
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'Must be IP (e.g. 192.168.0.1): ' => qr/$RE{net}{IPv4}/, |
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}) unless ($ip =~ /$RE{net}{IPv4}/); |
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$hostname ||= prompt('Enter hostname: ') unless ($hostname); |
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my @ip_split = split(/\./,$ip); |
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my $ve_id = sprintf('%d%03d', $ip_split[2], $ip_split[3]); |
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print "VEID: $ve_id hostname: $hostname ip: $ip\n"; |
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warn ">> creating directories\n"; |
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mkdir('-p', "$vz_root/root/$ve_id", "$vz_root/private/$ve_id"); |
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warn ">> installing debian $dist $arh from $debian_mirror_uri\n"; |
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if (! -e "$vz_root/private/$ve_id/etc/debian_version") { |
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my $debootstrap = "debootstrap --arch $arh $dist $vz_root/private/$ve_id $debian_mirror_uri"; |
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warn "# $debootstrap\n"; |
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system($debootstrap); |
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} else { |
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warn "Debian allready installed in $vz_root/private/$ve_id\n"; |
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} |
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my $conf_path = "$vz_conf/${ve_id}.conf"; |
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warn ">> creating configuration file $conf_path\n"; |
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if (-e $conf_path) { |
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warn "$conf_path allready exists, not touching it\n"; |
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} else { |
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vzsplit('-n', $split, '-s', $swap_size * 1024, '>', $conf_path); |
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die "configuration file not created" unless -e $conf_path; |
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open(my $tmp, '>>', $conf_path) || die "can't open $conf_path: $!"; |
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print $tmp "OSTEMPLATE=debian-3.1\n"; |
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close($tmp); |
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# vzctl('set', $ve_id, '--applyconfig', 'vps.basic', '--save'); |
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vzctl('set', $ve_id, '--ipadd', $ip, '--save'); |
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vzctl('set', $ve_id, '--hostname', $hostname, '--save'); |
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vzctl('set', $ve_id, '--diskspace', $diskspace, '--save'); |
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} |
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sub create_file { |
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my ($path, $code) = @_; |
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if (! -e $path) { |
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warn ">> creating $path\n"; |
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open(my $tmp, '>', $path) || die "can't create $path: $!"; |
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print $tmp $code->($path); |
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close($tmp); |
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} |
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} |
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create_file( |
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"$vz_root/private/$ve_id/etc/apt/sources.list", |
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"deb $debian_mirror_uri $dist main contrib non-free\n" |
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); |
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vzctl('start', $ve_id); |
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runscript( $ve_id, 'custom/00-all.sh' ); |
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#vzctl('stop', $ve_id); |
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my $passwd = prompt( -prompt => 'root passwd: ', -echo=>'*' ); |
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vzctl('set', $ve_id, '--userpasswd', 'root:' . $passwd ) if $passwd; |
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my $login = prompt('create login: '); |
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if ($login) { |
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$passwd = prompt( -prompt => "$login passwd: ", -echo=>'*'); |
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vzctl('exec', $ve_id, "useradd --create-home $login"); |
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vzctl('set', $ve_id, '--userpasswd', "$login:$passwd" ); |
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} |
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runscript( $ve_id, 'custom/50-hypertable.sh' ); |
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print "OK: $ve_id created\n"; |
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