lib/PXElator/pxelinux.pm

package pxelinux;

use warnings;
use strict;
use autodie;

our $magic = 0xF100747E;

our $config_file; #= 'pxelinux.cfg/default';
our $path_prefix;
our $reboot_time; # 300 s

use server;
use File::Slurp;
use Carp qw/confess/;

sub config_for_ip {
        my ($ip,$config) = @_;
        confess "$ip not IP" unless $ip =~ m{^\d+\.\d+\.\d+\.\d+$};

        $path_prefix = (caller(1))[3];
        $path_prefix = (caller(2))[3] unless $path_prefix =~ m{config::};
        $path_prefix =~ s{config::}{} || warn "# caller isn't package config !";
        $path_prefix .= '/';

        warn "# $ip $path_prefix";

        my $dir = "$server::base_dir/tftp";
        $dhcpd::file = 'pxelinux.0';
        symlink "/usr/lib/syslinux/pxelinux.0", "$dir/$dhcpd::file" unless -e "$dir/$dhcpd::file";

        $dir .= "/$path_prefix";
        mkdir $dir unless -d $dir;

        mkdir "$dir/pxelinux.cfg" unless -e "$dir/pxelinux.cfg";

        $config_file = 'pxelinux.cfg/' . uc sprintf "%02x%02x%02x%02x", split(/\./, $ip, 4);
        warn "$ip config_file $config_file";

        my $path = "$dir/$config_file";
        write_file $path, $config;

        warn "# config: $path ", -s $path;

        return $config;
}

sub config_ip_boot {
        my ( $ip, $boot, $append ) = @_;

        my $default;
        my $config;

        foreach my $kernel ( glob "$boot/vmlinuz*" ) {
                my $ver = $1 if $kernel =~ m{vmlinuz(.+)};
                $default ||= $ver;

                $config .= qq{

label boot$ver
        kernel $ip/boot/vmlinuz$ver
        append initrd=$ip/boot/initrd.img$ver $append

                };
        }

        config_for_ip( $ip, qq{

default boot$default
prompt 5

$config

        });

}

1;
1	package pxelinux;
2
3	use warnings;
4	use strict;
5	use autodie;
6
7	our $magic = 0xF100747E;
8
9	our $config_file; #= 'pxelinux.cfg/default';
10	our $path_prefix;
11	our $reboot_time; # 300 s
12
13	use server;
14	use File::Slurp;
15	use Carp qw/confess/;
16
17	sub config_for_ip {
18	my ($ip,$config) = @_;
19	confess "$ip not IP" unless $ip =~ m{^\d+\.\d+\.\d+\.\d+$};
20
21	$path_prefix = (caller(1))[3];
22	$path_prefix = (caller(2))[3] unless $path_prefix =~ m{config::};
23	$path_prefix =~ s{config::}{} \|\| warn "# caller isn't package config !";
24	$path_prefix .= '/';
25
26	warn "# $ip $path_prefix";
27
28	my $dir = "$server::base_dir/tftp";
29	$dhcpd::file = 'pxelinux.0';
30	symlink "/usr/lib/syslinux/pxelinux.0", "$dir/$dhcpd::file" unless -e "$dir/$dhcpd::file";
31
32	$dir .= "/$path_prefix";
33	mkdir $dir unless -d $dir;
34
35	mkdir "$dir/pxelinux.cfg" unless -e "$dir/pxelinux.cfg";
36
37	$config_file = 'pxelinux.cfg/' . uc sprintf "%02x%02x%02x%02x", split(/\./, $ip, 4);
38	warn "$ip config_file $config_file";
39
40	my $path = "$dir/$config_file";
41	write_file $path, $config;
42
43	warn "# config: $path ", -s $path;
44
45	return $config;
46	}
47
48	sub config_ip_boot {
49	my ( $ip, $boot, $append ) = @_;
50
51	my $default;
52	my $config;
53
54	foreach my $kernel ( glob "$boot/vmlinuz*" ) {
55	my $ver = $1 if $kernel =~ m{vmlinuz(.+)};
56	$default \|\|= $ver;
57
58	$config .= qq{
59
60	label boot$ver
61	kernel $ip/boot/vmlinuz$ver
62	append initrd=$ip/boot/initrd.img$ver $append
63
64	};
65	}
66
67	config_for_ip( $ip, qq{
68
69	default boot$default
70	prompt 5
71
72	$config
73
74	});
75
76	}
77
78	1;