implement port properties table and error disable gathering to it

lib/App/Netdisco/DB/Result/Device.pm

@@ -171,6 +171,17 @@ __PACKAGE__->has_many(
     'ip', { join_type => 'RIGHT' }
 );
 
+=head2 properties_ports
+
+Returns the set of ports known to have recorded properties
+
+=cut
+
+__PACKAGE__->has_many(
+    properties_ports => 'App::Netdisco::DB::Result::DevicePortProperties',
+    'ip', { join_type => 'RIGHT' }
+);
+
 =head2 powered_ports
 
 Returns the set of ports known to have PoE capability

lib/App/Netdisco/DB/Result/DevicePort.pm

@@ -166,6 +166,17 @@ __PACKAGE__->might_have( power => 'App::Netdisco::DB::Result::DevicePortPower',
   'foreign.ip' => 'self.ip', 'foreign.port' => 'self.port',
 });
 
+=head2 properties
+
+Returns a row from the C<device_port_properties> table if one refers to this
+device port.
+
+=cut
+
+__PACKAGE__->might_have( properties => 'App::Netdisco::DB::Result::DevicePortProperties', {
+  'foreign.ip' => 'self.ip', 'foreign.port' => 'self.port',
+});
+
 =head2 ssid
 
 Returns a row from the C<device_port_ssid> table if one refers to this

lib/App/Netdisco/DB/Result/DevicePortProperties.pm

@@ -0,0 +1,32 @@
+use utf8;
+package App::Netdisco::DB::Result::DevicePortProperties;
+
+use strict;
+use warnings;
+
+use base 'DBIx::Class::Core';
+__PACKAGE__->table("device_port_properties");
+__PACKAGE__->add_columns(
+  "ip",
+  { data_type => "inet", is_nullable => 0 },
+  "port",
+  { data_type => "text", is_nullable => 0 },
+  "error_disable_cause",
+  { data_type => "text", is_nullable => 1 },
+);
+__PACKAGE__->set_primary_key("port", "ip");
+
+
+=head1 RELATIONSHIPS
+
+=head2 port
+
+Returns the entry from the C<port> table for which this Power entry applies.
+
+=cut
+
+__PACKAGE__->belongs_to( port => 'App::Netdisco::DB::Result::DevicePort', {
+  'foreign.ip' => 'self.ip', 'foreign.port' => 'self.port',
+});
+
+1;