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path: root/perl-install/drakcluster/server_conf.pm
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package drakcluster::server_conf;

use strict;
use common;

sub read() {
    my %main = getVarsFromSh("$::prefix/etc/clusterserver.conf");
    \%main;
}

sub done {
    my ($conf, $network_interfaces) = @_;
    set_automatic_fields($conf, $network_interfaces);
    setVarsInSh("$::prefix/etc/clusterserver.conf", $conf);
}

my %automatic_when_single_network = (
     COMPUTE_INTERFACE => 'ADMIN_INTERFACE',
     COMPUTENODENAME => 'NODENAME',
     DOMAINCOMP => 'DOMAINNAME',
);

sub set_automatic_fields {
    my ($conf, $network_interfaces) = @_;
    if (@$network_interfaces <= 2) {
	$conf->{$_} = $conf->{$automatic_when_single_network{$_}} foreach keys %automatic_when_single_network;
    }
}

sub fields {
    my ($conf, $network_interfaces, $default_conf) = @_;
    my $current_conf = { %$conf };
    put_in_hash($conf, $default_conf);
    my @l = (
	[ NODENAME => 'Node name (Administration network)' , check => \&check_non_empty ],
	[ COMPUTENODENAME => 'Node Name (Computing network)', check => \&check_non_empty ],
	[ STARTNODE => 'IP of the first node', check => \&check_number ],
	[ FINISHNODE => 'IP of the last node', check => sub { &check_number || $conf->{STARTNODE} >= $conf->{FINISHNODE} && N("\"The First node\" must have an IP  lower than \"the last node\"") } ],
	[ ADMIN_INTERFACE => 'Administration Network Interface', list => $network_interfaces ],
	[ EXTERNAL_INTERFACE => 'External Network Interface', list => $network_interfaces ],
	[ COMPUTE_INTERFACE => 'Computing Network Interface', list => $network_interfaces ],
	[ NTPSERVER => N("NTP Server IP Address"), check => sub { &check_ip || check_default(@_, $default_conf->{NTPSERVER}, $current_conf->{NTPSERVER}) } ],
	[ DOMAINNAME => N("Administration node domain name"), check => sub { check_default(@_, $default_conf->{DOMAINNAME}, $current_conf->{DOMAINNAME}) } ],
	[ NISDOMAINNAME => N("NIS domain name"), check => \&check_non_empty ],
	[ DOMAINCOMP => N("Computing domain name"), check => \&check_non_empty ],
	[ IPOFFORWARDER => 'IP address of your external DNS', check => sub { $_[0] && check_ip(@_) || check_default(@_, $default_conf->{IPOFFORWARDER}) } ],
	[ DNSKEY => 'DNS server dnskey', check => \&check_non_empty ],
	[ ADDSEARCH => 'ADDSEARCH ' . N("Domain name of your external network") ],
	[ USERADMIN => 'PBS administrator user name', check => \&check_non_empty ],
	[ ORIGIN => 'ORIGIN ' . N("Domain that locally posted mails appears to come from"), check => sub { check_default(@_, $default_conf->{DOMAINNAME}, $current_conf->{DOMAINNAME}) } ],
    );

    if (@$network_interfaces <= 2) {
	@l = grep { !$automatic_when_single_network{$_->[0]} } @l;
    }

    map { 
	my ($field, $label, %opts) = @$_;
	$opts{val} = \$conf->{$field};
	$opts{label} = $label;
	\%opts;
    } @l;
}

sub check_field {
    my ($in, $field) = @_;
    warn "checking $field->{label}\n";
    $field->{check} or return 1;
    my $err = $field->{check}->(${$field->{val}}, $field->{label}, warn => $in);
    $in->ask_warn('', $err) if $err && $err ne 'already_displayed';
    !$err;
}


# CHECKERS #####################################################################
sub is_ip {
    $::isInstall ? &network::network::is_ip : &cluster_fonction_common::is_ip;
}

sub check_non_empty {
    my ($val, $txt) = @_;
    !$val && N("Field \"%s\" must not be empty", $txt);
}
sub check_number {
    my ($val, $txt) = @_;
    $val !~ /^\d+$/ && N("Field \"%s\" must be a number", $txt);
}
sub check_ip {
    my ($val, $txt) = @_;
    !is_ip($val) && N("Field \"%s\" must be a valid IP address", $txt);
}

sub check_default {
    my ($val, $txt, $warn, $in, $default_val, $pre_val) = @_;
    if ($default_val && $val ne $default_val && $val ne $pre_val) {
	if ($warn eq 'warn') {
	    return '' if $in->ask_okcancel('', N("You changed the default value of field \"%s\". Are you sure to do this?", $txt));
	}
	'already_displayed';
    } else {
	'';
    }
}