e-smith-base/root/etc/e-smith/db/configuration/migrate/10interfaces

{
#----------------------------------------------------------------------
# copyright (C) 1999-2005 Mitel Networks Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
#
#----------------------------------------------------------------------
# Migrate old config db singletons into "interface" specifications:
#
# DHCPClient=dhi    ExternalInterface=...|Configuration|DHCPHostname
# DHCPClient=(d|dh| ExternalInterface=...|Configuration|DHCPEthernetAddress
#
# EthernetDriver1=eepro100   LocalInterface=...|Name|eth0|Driver|eepro100
# EthernetDriver2=ne2k-pci   ExternalInterface=...|Name|eth1|Driver|ne2k-pci
# EthernetDriver2=unknown    ExternalInterface=...|Name|eth0.4094|Driver|unknown
# ExternalDHCP=off           ExternalInterface=...|Configuration|static
# ExternalNetmask=255.255.255.0   ExternalInterface=...|Netmask|255.255.255.0
# GatewayIP=192.168.116.1         ExternalInterface=...|Gateway|192.168.116.1
# LocalIP=192.168.116.2           LocalInterface=...|IPAddress|192.168.116.2
# LocalNetmask=255.255.255.0      LocalInterface=...|Netmask|255.255.255.0

    use esmith::util;

    # No need to run this unless we have valid settings
    return unless $DB->get_value("LocalIP");

    my $internal = $DB->get("InternalInterface") ||
                   $DB->new_record("InternalInterface", {type => "interface"});

    if (my $assign = $DB->get('EthernetAssign')){
        $assign->delete;
    }
    my $diald = $DB->get("diald");
    $diald->delete if $diald;

    my $dhcpcd = $DB->get("dhcpcd");
    $dhcpcd->delete if $dhcpcd;

    my $wan = $DB->get("wan") || $DB->new_record("wan", {type => 'service'});

    my $mode = $DB->get_value("SystemMode") || "servergateway";
    my $bonding = $internal->prop('NICBonding') || "disabled";

    my %int_props =
    (
        type => "interface",
        Configuration => 'static',
        Driver => $DB->get_value("EthernetDriver1"),
        IPAddress => $DB->get_value("LocalIP"),
        Netmask => $DB->get_value("LocalNetmask")
    );

    ($int_props{Network}, $int_props{Broadcast}) =
        esmith::util::computeNetworkAndBroadcast($int_props{IPAddress},
                                                 $int_props{Netmask} );

    $internal->merge_props(%int_props);

    my $external = $DB->get("ExternalInterface") ||
        $DB->new_record("ExternalInterface", {type => 'interface'});

    if ( $mode eq "serveronly" )
    {
        $external->merge_props(Configuration => 'disabled', Name => 'none');
        $wan->merge_props(status => 'disabled');
        return;
    }
    $wan->merge_props(status => 'enabled');

    my $pppoe_status = $DB->get_prop('pppoe', 'status') || "disabled";
    my $access_type = $DB->get_value('AccessType') || "unknown";

    # Get the existing props
    my %ext_props = $external->props;

    my $second_interface = $ext_props{'Name'};

    # Delete ones which may no longer apply
    delete $ext_props{Driver};
    delete $ext_props{Configuration};

    # Set values which always apply
    $ext_props{type} = "interface";
    $ext_props{IPAddress} = $DB->get_value("ExternalIP");
    $ext_props{Netmask} = $DB->get_value("ExternalNetmask");
    $ext_props{Gateway} = $DB->get_value("GatewayIP");

    if (defined $ext_props{IPAddress} && defined $ext_props{Gateway})
    {
        ($ext_props{Network}, $ext_props{Broadcast}) =
            esmith::util::computeNetworkAndBroadcast($ext_props{IPAddress},
                                                $ext_props{Netmask} );
    }

    # Now determine others we need
    if ($access_type eq 'dialup')
    {
        my $isdn = $DB->get_prop('isdn', 'status') || "disabled";
        my $sync_isdn = $DB->get_prop('isdn', 'UseSyncPPP') || "no";

        $ext_props{Name} = ($isdn eq "enabled" and $sync_isdn eq "yes") ?
                "ippp0" : "ppp0";

       # XXX FIXME - we should probably have dialup vs. isdn here
        $ext_props{Configuration} = "dialup";
    }
    elsif ($pppoe_status eq 'enabled' )
    {
        $ext_props{Name} = "ppp0";
        $ext_props{Configuration} = "pppoe";

        my $pppoe = $DB->get('pppoe');
        unless ($pppoe)
        {
            warn "pppoe record vanished\n";
            return;
        }

       # Only update PhysicalInterface
       # if we just switched to pppoe
       # ($second_interface is the name of the real external interface)
       $pppoe->set_prop("PhysicalInterface", $second_interface)
            if ($second_interface ne 'ppp0');
    }
    else
    {
        $ext_props{Name} = $second_interface;
        $ext_props{Driver} = $DB->get_value("EthernetDriver2");
    }

    my $external_dhcp = $DB->get_value("ExternalDHCP") || "off";


    if ($external_dhcp eq "on")
    {
        my $dhcp_config = $DB->get_value("DHCPClient") || "d";

        if ($dhcp_config eq "dhi")
        {
            # XXX FIXME - I think this should be "dhcpcd", which
            # should be a new "service" type and the Hostname/MAC
            # choice should be a property of that service
            $ext_props{Configuration} = "DHCPHostname";
        }
        else
        {
            $ext_props{Configuration} = "DHCPEthernetAddress";
         }
    }

    $ext_props{Configuration} ||= "static" ;

    # And write back the changes to the config db
    $external->merge_props(%ext_props);
}