/[pxelator]/lib/PXElator/server.pm
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Contents of /lib/PXElator/server.pm

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Revision 457 - (show annotations)
Sat Jan 2 17:20:40 2010 UTC (14 years, 2 months ago) by dpavlin
File size: 1584 byte(s)
added server::as_hash_for $ip to get server configuration
with local override from conf/ip/$ip/server.yaml

1 package server;
2
3 use warnings;
4 use strict;
5
6 use Data::Dump qw(dump);
7 use YAML qw();
8
9 our $base_dir = '/srv/pxelator';
10
11 use ties;
12
13 tie our $ip, 'ties', 'server_ip' => '172.16.10.1';
14 tie our $netmask, 'ties', 'netmask' => '255.255.255.0';
15 tie our $bcast, 'ties', 'bcast' => '172.16.10.254';
16 tie our $ip_from, 'ties', 'ip_from' => 10;
17 tie our $ip_to, 'ties', 'ip_to' => 100;
18 tie our $domain, 'ties', 'domain' => 'pxelator.lan';
19 tie our $new_clients, 'ties', 'new_clients' => $ip_to - $ip_from;
20
21 warn "DEV $ip $bcast $netmask";
22
23 our $conf = "$base_dir/conf";
24 mkdir $conf unless -e $conf;
25
26 sub conf {
27 warn "## conf $conf";
28 $conf;
29 }
30
31 use Module::Refresh qw//;
32 sub refresh {
33 Module::Refresh->refresh;
34 my $from = (caller(1))[3];
35 $from =~ s{^(\w+)::.+$}{$1};
36 my $eval = '$' . $from . '::debug = server::debug();';
37 warn "refresh $eval\n";
38 eval $eval;
39 warn $@ if $@;
40 };
41
42 mkdir $_ foreach grep { ! -d $_ } map { "$conf/$_" } ( 'ip', 'mac' );
43
44 use File::Slurp;
45 sub shared {
46 my ($name, $value) = @_;
47
48 my $path ="$conf/$name";
49 if ( defined $value ) {
50 write_file $path, $value;
51 warn "update $path = $value";
52 } else {
53 $value = read_file $path if -e $path;
54 }
55 return $value;
56 }
57
58 sub conf_default { shared($_[0]) || $_[1] }
59
60 sub debug { shared('debug', @_) || 0 }
61
62 sub as_hash_for {
63 my $ip = shift;
64
65 my $server;
66 map { $server->{ $_ } = eval '$server::' . $_ } ( 'ip', 'netmask', 'bcast', 'domain' );
67
68 my $server_path = "$server::conf/ip/$ip/server.yaml";
69 $server = YAML::LoadFile $server_path if -e $server_path;
70
71 return $server;
72 }
73
74 warn "loaded";
75
76 1;

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