[Fixes issue: 343] Adding capability to set bootloader filename by profile

This commit adds the feature to aii-dhcp plugin to fetch bootloader filename for DHCP config to be included.
Also handles situation if default bootloader may differ from the one would be used in case of rescue mode.

Author: MS-Daniel-Matolcsi

aii-core/src/main/perl/Shellfe.pm

@@ -577,6 +577,22 @@ sub run_plugin
             if ($plug->can('set_active_config')) {
                 $plug->set_active_config($st->{configuration});
             }
+	    
+	    my @params
+	    if ($modulename eq "dhcp") {
+		if ($self->option("rescue") && $method eq CONFIGURE){
+		    $self->debug (4, "Setting params for DHCP plugin and rescue mode");
+		    @params = ($st->(configuration), "rescue");
+		}
+		else {
+		    $self->debug (4, "Setting params for DHCP plugin and non-rescue mode");
+		    @params = ($st ->(configuration), "none");
+		}	
+	    }
+	    else {
+		$self->debug (4, "Setting generic params");
+		@params = ($st ->(configuration));
+	    }
 
             # The plugin method has to return success
             my $res = eval { $plug->$method ($st->{configuration}) };

aii-dhcp/src/main/perl/dhcp.pm

@@ -138,7 +138,12 @@ sub update_dhcp_config_file
                     push @newnodes, "$indent\t  next-server $node->{ST_IP_TFTP};";
                 }
 
-                # additional options
+                # DHCP bootloader filename option
+		if ($node->{FILENAME}) {
+                    push @newnodes, "$indent\t filename \"$node->{FILENAME}\";";
+		}
+
+		# additional options
                 if ($node->{MORE_OPT}) {
                     push @newnodes, "$indent\t  $node->{MORE_OPT}";
                 }
@@ -293,7 +298,7 @@ sub update_dhcp_config {
 # Adds the entry to dhcp
 sub Configure
 {
-    my ($self, $config) = @_;
+    my ($self, $config, $rescue) = @_;
 
     my $tree = $config->getElement("/system/network")->getTree();
     my $fqdn = $tree->{hostname} . "." . $tree->{domainname};
@@ -315,9 +320,18 @@ sub Configure
     my $opts = $config->getElement("/system/aii/dhcp")->getTree();
     my $tftpserver = "";
     my $additional = "";
+    my filename = "";
     if ($opts->{tftpserver}) {
         $tftpserver = $opts->{tftpserver};
     }
+    
+    if ($opts->(filename)) {
+        $filename = $opts->(filename);
+    }
+    if ($rescue eq 'rescue' && $opts->(rescue)) {
+        $filename = $opts->(rescue);
+    }
+
     if ($opts->{options}) {
         foreach my $k (sort keys %{$opts->{options}}) {
             $additional .= "option $k $opts->{options}->{$k};\n";
@@ -331,6 +345,7 @@ sub Configure
         IP         => unpack('N', Socket::inet_aton($ip)),
         MAC        => $cards->{$bootable}->{hwaddr},
         ST_IP_TFTP => $tftpserver,
+        FILENAME   => $filename,
         MORE_OPT   => $additional,
     };
     if ($this_app->option('use_fqdn')) {