Merge branch 'master' into og-pluggable-daemon

Netdisco/lib/App/Netdisco.pm

@@ -165,7 +165,9 @@ take care of all this for you:
 
  ~/bin/netdisco-deploy
 
-If this is a new installation of Netdisco 2, answer yes to all questions.
+If this is a new installation of Netdisco 2, answer yes to all questions. If
+you wish to deploy without Internet access, see the
+L<Deployment|App::Netdisco::Manual::Deployment> documentation.
 
 =head1 Startup
 

Netdisco/lib/App/Netdisco/Manual/Deployment.pod

@@ -28,6 +28,32 @@ the database service):
  # TYPE  DATABASE  USER  ADDRESS       METHOD
  host    all       all   127.0.0.1/32  md5
 
+=head1 Deploy without Internet access
+
+The C<netdisco-deploy> script asks for Internet access but it is possible to
+install off-line. You should download the following two files:
+
+=over 4
+
+=item *
+
+http://standards.ieee.org/develop/regauth/oui/oui.txt
+
+=item *
+
+http://downloads.sourceforge.net/project/netdisco/netdisco-mibs/latest-snapshot/netdisco-mibs-snapshot.tar.gz
+
+=back
+
+Run the C<netdisco-deploy> script but pass the OUI file name as a parameter on
+the command line:
+
+ ~/bin/netdisco-deploy ./oui.txt
+
+Then answer yes to questions, even though you're not connected to the
+Internet. For the MIBs you can simply extract the downloaded archive to the
+home directory of Netdisco.
+
 =head1 Relocating the Installation
 
 The installation process installs Netdisco self-contained to your home
@@ -110,6 +136,18 @@ You are instead recommended to run C<netdisco-web> behind a reverse proxy as
 described elsewhere in this document. Apache can easily act as an SSL reverse
 proxy.
 
+=head1 Debug Tricks
+
+You can see what HTTP Headers are received by Netdisco, and other information
+such as how it's parsing the config file, by enabling the Dancer debug plugin.
+First download the plugin:
+
+ ~/bin/localenv cpanm --notest Dancer::Debug
+
+Then run the web daemon with the environment variable to enable the feature:
+
+ DANCER_DEBUG=1 ~/bin/netdisco-web restart
+
 =head1 Further Reading...
 
 Other ways to run and host the web application can be found in the

Netdisco/lib/App/Netdisco/Web/Plugin/Report/VlanInventory.pm

@@ -16,19 +16,19 @@ register_report(
 
 get '/ajax/content/report/vlaninventory' => require_login sub {
     my $set = schema('netdisco')->resultset('DeviceVlan')->search(
-        { 'vlan.description' => { '!=', 'NULL' } },
+        { 'me.description' => { '!=', 'NULL' } },
         {   join   => { 'ports' => 'vlan' },
             select => [
-                'vlan.vlan',
-                'vlan.description',
+                'me.vlan',
+                'me.description',
                 { count => { distinct => 'ports.ip' } },
                 { count => 'ports.vlan' }
             ],
             as       => [qw/ vlan description dcount pcount /],
-            group_by => [qw/ vlan.vlan vlan.description /],
+            group_by => [qw/ me.vlan me.description /],
         }
     );
-    return unless $set->count;
+    return unless $set->has_rows;
 
     if ( request->is_ajax ) {
         template 'ajax/report/vlaninventory.tt', { results => $set, },