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package server; |
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|
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use warnings; |
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use strict; |
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|
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use Data::Dump qw(dump); |
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use YAML qw(); |
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|
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our $base_dir = '/srv/pxelator'; |
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|
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use ties; |
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|
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tie our $ip, 'ties', 'server_ip' => '172.16.10.1'; |
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tie our $netmask, 'ties', 'netmask' => '255.255.255.0'; |
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tie our $bcast, 'ties', 'bcast' => '172.16.10.254'; |
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tie our $ip_from, 'ties', 'ip_from' => 10; |
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tie our $ip_to, 'ties', 'ip_to' => 100; |
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tie our $domain, 'ties', 'domain' => 'pxelator.lan'; |
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tie our $new_clients, 'ties', 'new_clients' => $ip_to - $ip_from; |
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|
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if ( my $dev = $ENV{DEV} ) { |
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my $ifconfig = `ifconfig $dev`; |
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die "can't ifconfig $dev" unless $ifconfig; |
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die "device $dev not up: ifconfig $dev\n$ifconfig" unless $ifconfig =~ m/UP/; |
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$ip = $1 if $ifconfig =~ m/inet addr:(\S+)/s; |
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$netmask = $1 if $ifconfig =~ m/Mask:(\S+)/s; |
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$bcast = $1 if $ifconfig =~ m/Bcast:(\S+)/s; |
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} |
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|
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warn "DEV $ip $bcast $netmask"; |
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|
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our $conf = "$base_dir/conf"; |
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mkdir $conf unless -e $conf; |
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|
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sub conf { |
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warn "## conf $conf"; |
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$conf; |
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} |
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|
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use Module::Refresh qw//; |
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sub refresh { |
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Module::Refresh->refresh; |
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my $from = (caller(1))[3]; |
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$from =~ s{^(\w+)::.+$}{$1}; |
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my $eval = '$' . $from . '::debug = server::debug();'; |
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warn "refresh $eval\n"; |
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eval $eval; |
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warn $@ if $@; |
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}; |
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|
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mkdir $_ foreach grep { ! -d $_ } map { "$conf/$_" } ( 'ip', 'mac' ); |
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|
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use File::Slurp; |
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sub shared { |
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my ($name, $value) = @_; |
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|
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my $path ="$conf/$name"; |
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if ( defined $value ) { |
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write_file $path, $value; |
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warn "update $path = $value"; |
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} else { |
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$value = read_file $path if -e $path; |
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} |
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return $value; |
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} |
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|
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sub conf_default { shared($_[0]) || $_[1] } |
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|
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sub debug { shared('debug', @_) || 0 } |
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|
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sub as_hash_for { |
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my $ip = shift; |
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|
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my $server; |
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map { $server->{ $_ } = eval '$server::' . $_ } ( 'ip', 'netmask', 'bcast', 'domain', 'ip_from', 'ip_to', 'new_clients' ); |
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|
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my $server_path = "$server::conf/ip/$ip/server.yaml"; |
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$server = YAML::LoadFile $server_path if -e $server_path; |
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|
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return $server; |
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} |
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|
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warn "loaded"; |
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|
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1; |