#!/usr/bin/perl

use strict;
use warnings;
use Anvil::Tools;
use Data::Dumper;
use Text::Diff;

$| = 1;

my $THIS_FILE           =  ($0 =~ /^.*\/(.*)$/)[0];
my $running_directory   =  ($0 =~ /^(.*?)\/$THIS_FILE$/)[0];
if (($running_directory =~ /^\./) && ($ENV{PWD}))
{
	$running_directory =~ s/^\./$ENV{PWD}/;
}

my $anvil = Anvil::Tools->new();

$anvil->data->{switches}{brief} = 0;
$anvil->Get->switches();
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
	"switches::brief" => $anvil->data->{switches}{brief}, 
}});

$anvil->Database->connect();
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0132"});
if (not $anvil->data->{sys}{database}{connections})
{
	# No databases, exit.
	$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, 'print' => 1, priority => "err", key => "error_0359"});
	$anvil->nice_exit({exit_code => 1});
}

gather_data($anvil);


$anvil->nice_exit({exit_code => 0});


#############################################################################################################
# Functions                                                                                                 #
#############################################################################################################

sub gather_data
{
	my ($anvil) = @_;
	
	collect_server_data($anvil);
	
	my $server_header       = $anvil->Words->string({key => "header_0065"});
	my $longest_server_name = length($server_header) > $anvil->data->{longest}{server_name} ? length($server_header) : $anvil->data->{longest}{server_name};
	my $anvil_header        = $anvil->Words->string({key => "brand_0002"});
	my $longest_anvil_name  = length($anvil_header) > $anvil->data->{longest}{anvil_name} ? length($anvil_header) : $anvil->data->{longest}{anvil_name};
	
	my $lines       =  [];
	my $break_line  =  "+-".sprintf("%0${longest_server_name}d", 0);
	   $break_line  .= "-+-".sprintf("%0${longest_server_name}d", 0);
	   $break_line  .= "--------+-----+-----+------+------+--------+-----+---------+"
	   $break_line  =~ s/0/-/g;
	my $header_line =  "| ".sprintf("%-${longest_server_name}s", $server_header)." | Anvil! | CPU | RAM | Disk | Size | Bridge | MAC | Last IP |";
	my $blank_lead  =  "| ".sprintf("%-${longest_server_name}s", " ")."   Anvil!   CPU   RAM | Disk | Size | Bridge | MAC | Last IP |";
	
	push @{$lines}, $break_line;
	push @{$lines}, $header_line;
	push @{$lines}, $break_line;
	push @{$lines}, $blank_lead;
	foreach my $server_name (sort {$a cmp $b} keys %{$anvil->data->{server_data}})
	{
		# There should only ever be one UUID for a given name, but it's not impossible for there to be two.
		foreach my $server_uuid (sort {$a cmp $b} keys %{$anvil->data->{server_data}{$server_name}{server_uuid}})
		{
			my $anvil_name      = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{anvil_name};
			my $anvil_uuid      = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{anvil_uuid};
			my $ram_used        = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{ram_used};
			my $say_ram_used    = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{say_ram_used};
			my $cpu_total_cores = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{total_cores};
			my $cpu_sockets     = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{sockets};
			my $cpu_cores       = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{cores};
			my $cpu_threads     = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{threads};
			my $cpu_model       = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{model_name};
			my $cpu_fallback    = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{model_fallback};
			my $cpu_match       = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{match};
			my $cpu_vendor      = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{vendor};
			my $cpu_mode        = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{mode};
			my $say_cpu         = $cpu_total_cores." (".$cpu_sockets."s/".$cpu_cores."c/".$cpu_threads."t)";
			my $first_line      = "| ".$server_name." | ".$anvil_name." | ".$say_cpu." | ".$say_ram_used." | ";
			
			my $drbd_lines = [];
			foreach my $resource (sort {$a cmp $b} keys %{$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}})
			{
				foreach my $volume (sort {$a cmp $b} keys %{$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}})
				{
					my $say_size = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{say_size};
					
					push @{$drbd_lines}, $resource."/".$volume." | ".$say_size." | ";
					foreach my $drbd_node (sort {$a cmp $b} keys %{$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}})
					{
						my $drbd_path        = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_path};
						my $drbd_path_by_res = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_path_by_res};
						my $drbd_minor       = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_minor};
						my $meta_disk        = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{'meta-disk'};
						my $backing_lv       = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{backing_lv};
						my $node_host_uuid   = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{host_uuid};
					}
				}
			}
			
			my $net_lines = [];
			foreach my $bridge (sort {$a cmp $b} keys %{$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}})
			{
				foreach my $alias (sort {$a cmp $b} keys %{$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}})
				{
					foreach my $mac (sort {$a cmp $b} keys %{$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}})
					{
						my $model = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{model};
						my $ip    = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{ip};
						if (not $ip)
						{
							$ip = "--";
						}
						push @{$net_lines}, $bridge." | ".$mac." | ".$ip." |";
					}
				}
			}
			
# 			print "--------------------------------\n";
# 			print Dumper $drbd_lines;
# 			print "--------------------------------\n";
# 			print Dumper $net_lines;
# 			print "--------------------------------\n";
			
			my $drbd_count = @{$drbd_lines};
			my $net_count   = @{$net_lines};
			my $line_count = $drbd_count > $net_count ? $drbd_count : $net_count;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				's1:drbd_count' => $drbd_count,
				's2:line_count' => $line_count, 
				's3:line_count' => $line_count, 
			}});
			foreach (my $i = 0; $i < $line_count; $i++)
			{
				my $drbd_line = $drbd_lines->[$i] ? $drbd_lines->[$i] : "-- | -- | ";
				my $net_line  = $net_lines->[$i]  ? $net_lines->[$i]  : "-- | -- | -- ";
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					's1:i'         => $i,
					's2:drbd_line' => $drbd_line, 
					's3:drbd_line' => $net_line, 
				}});
				if ($i == 0)
				{
					push @{$lines}, $first_line.$drbd_line.$net_line;
				}
				else
				{
					push @{$lines}, "| -- | -- | -- | -- | ".$drbd_line.$net_line;
				}
			}
		}
	}
	
	foreach my $line (@{$lines})
	{
		print $line."\n";
	}
	print $break_line."\n";
	
	return(0);
}

sub collect_server_data
{
	my ($anvil) = @_;
	
	$anvil->Database->get_anvils();
	$anvil->Database->get_servers();
	$anvil->Database->get_server_definitions();
	
	$anvil->data->{longest}{server_name}   = 0;
	$anvil->data->{longest}{anvil_name}    = 0;
	$anvil->data->{longest}{cpu_string}    = 0;
	$anvil->data->{longest}{cpu_model}     = 0;
	$anvil->data->{longest}{ram_length}    = 0;
	$anvil->data->{longest}{resource_name} = 0;
	$anvil->data->{longest}{resource_size} = 0;
	$anvil->data->{longest}{disk_length}   = 0;
	$anvil->data->{longest}{bridge_name}   = 0;
	$anvil->data->{longest}{ip_address}    = 0;
	foreach my $server_uuid (sort {$a cmp $b} keys %{$anvil->data->{servers}{server_uuid}})
	{
		my $server_name       = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_name};
		my $anvil_uuid        = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_anvil_uuid};
		my $anvil_name        = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_name};
		my $server_definition = $anvil->data->{server_definitions}{server_definition_server_uuid}{$server_uuid}{server_definition_xml};
		my $server_ram        = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_ram_in_use};
		if ($anvil->data->{servers}{server_uuid}{$server_uuid}{server_configured_ram} > $server_ram)
		{
			$server_ram = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_configured_ram};
		}
		my $say_server_ram = $anvil->Convert->bytes_to_human_readable({'bytes' => $server_ram});
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			's1:server_name' => $server_name,
			's2:anvil_name'  => $anvil_name, 
			's3:server_ram'  => $anvil->Convert->add_commas({number => $server_ram})." (".$say_server_ram.")", 
		}});
		
		my $target = $anvil->Get->short_host_name;
		my $source = "from_db";
		$anvil->Server->parse_definition({
			debug      => 2,
			source     => $source, 
			server     => $server_name, 
			definition => $server_definition,
			anvil_uuid => $anvil_uuid,
		});
		
		# CPU info
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{anvil_name}          = $anvil_name;
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{anvil_uuid}          = $anvil_uuid;
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{ram_used}            = $server_ram;
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{say_ram_used}        = $say_server_ram;
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{total_cores}    = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{total_cores};
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{sockets}        = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{sockets};
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{cores}          = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{cores};
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{threads}        = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{threads};
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{model_name}     = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{model_name};
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{model_fallback} = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{model_fallback};
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{match}          = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{match};
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{vendor}         = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{vendor};
		$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{mode}           = $anvil->data->{server}{$target}{$server_name}{$source}{cpu}{mode};
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			"s1:server_data::${server_name}::server_uuid::${server_uuid}::anvil_name"          => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{anvil_name},
			"s2:server_data::${server_name}::server_uuid::${server_uuid}::anvil_uuid"          => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{anvil_uuid},
			"s3:server_data::${server_name}::server_uuid::${server_uuid}::ram_used"            => $anvil->Convert->add_commas({number => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{ram_used}})." (".$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{say_ram_used}.")", ,
			"s4:server_data::${server_name}::server_uuid::${server_uuid}::cpu::total_cores"    => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{total_cores},
			"s5:server_data::${server_name}::server_uuid::${server_uuid}::cpu::sockets"        => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{sockets},
			"s5:server_data::${server_name}::server_uuid::${server_uuid}::cpu::cores"          => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{cores},
			"s6:server_data::${server_name}::server_uuid::${server_uuid}::cpu::threads"        => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{threads},
			"s7:server_data::${server_name}::server_uuid::${server_uuid}::cpu::model_name"     => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{model_name},
			"s8:server_data::${server_name}::server_uuid::${server_uuid}::cpu::model_fallback" => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{model_fallback},
			"s9:server_data::${server_name}::server_uuid::${server_uuid}::cpu::match"          => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{match},
			"s10:server_data::${server_name}::server_uuid::${server_uuid}::cpu::vendor"        => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{vendor},
			"s11:server_data::${server_name}::server_uuid::${server_uuid}::cpu::mode"          => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{mode},
		}});
		
		if (length($server_name) > $anvil->data->{longest}{server_name})
		{
			$anvil->data->{longest}{server_name} = length($server_name);
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'longest::server_name' => $anvil->data->{longest}{server_name} }});
		}
		if (length($anvil_name) > $anvil->data->{longest}{anvil_name})
		{
			$anvil->data->{longest}{anvil_name} = length($anvil_name);
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'longest::anvil_name' => $anvil->data->{longest}{anvil_name} }});
		}
		if (length($anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{say_ram_used}) > $anvil->data->{longest}{ram_length})
		{
			$anvil->data->{longest}{ram_length} = length($anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{say_ram_used});
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'longest::ram_length' => $anvil->data->{longest}{ram_length} }});
		}
		if (length($anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{model_name}) > $anvil->data->{longest}{cpu_model})
		{
			$anvil->data->{longest}{cpu_model} = length($anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{cpu}{model_name});
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'longest::cpu_model' => $anvil->data->{longest}{cpu_model} }});
		}
		
		# I need to know what nodes are in this cluster, so I don't look at another node that may 
		# have a matching node name.
		my $node1_host_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node1_host_uuid};
		my $node2_host_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node2_host_uuid};
		my $dr1_host_uuid   = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_dr1_host_uuid};
		
		# Get names.
		my $node1_host_name       = $anvil->data->{hosts}{host_uuid}{$node1_host_uuid}{host_name};
		my $node1_short_host_name = $anvil->data->{hosts}{host_uuid}{$node1_host_uuid}{short_host_name};
		my $node2_host_name       = $anvil->data->{hosts}{host_uuid}{$node2_host_uuid}{host_name};
		my $node2_short_host_name = $anvil->data->{hosts}{host_uuid}{$node2_host_uuid}{short_host_name};
		my $dr1_host_name        = "";
		my $dr1_short_host_name   = "";
		if (($dr1_host_uuid) && (exists $anvil->data->{hosts}{host_uuid}{$dr1_host_uuid}))
		{
			$dr1_host_name      = $anvil->data->{hosts}{host_uuid}{$dr1_host_uuid}{host_name};
			$dr1_short_host_name = $anvil->data->{hosts}{host_uuid}{$dr1_host_uuid}{short_host_name};
		}
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			's1:node1_host_name'       => $node1_host_name, 
			's2:node1_short_host_name' => $node1_short_host_name, 
			's3:node2_host_name'       => $node2_host_name, 
			's4:node2_short_host_name' => $node2_short_host_name, 
			's5:dr1_host_name'         => $dr1_host_name, 
			's6:dr1_short_host_name'   => $dr1_short_host_name, 
		}});
		
		# Storage info.
		foreach my $device_target (sort {$a cmp $b} keys %{$anvil->data->{server}{$target}{$server_name}{$source}{device}{disk}{target}})
		{
			my $address_domain   = $anvil->data->{server}{$target}{$server_name}{$source}{device}{disk}{target}{$device_target}{address}{domain};
			my $address_slot     = $anvil->data->{server}{$target}{$server_name}{$source}{device}{disk}{target}{$device_target}{address}{slot};
			my $address_function = $anvil->data->{server}{$target}{$server_name}{$source}{device}{disk}{target}{$device_target}{address}{function};
			my $device_path      = $anvil->data->{server}{$target}{$server_name}{$source}{device}{disk}{target}{$device_target}{path};
			my $driver_io        = $anvil->data->{server}{$target}{$server_name}{$source}{device}{disk}{target}{$device_target}{driver}{io};
			my $driver_cache     = $anvil->data->{server}{$target}{$server_name}{$source}{device}{disk}{target}{$device_target}{driver}{cache};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				's1:device_target'    => $device_target,
				's2:address_domain'   => $address_domain,
				's3:address_slot'     => $address_slot, 
				's4:address_function' => $address_function, 
				's5:device_path'      => $device_path, 
				's6:driver_io'        => $driver_io, 
				's7:driver_cache'     => $driver_cache, 
			}});
			
			# What is the DRBD resource name?
			my ($resource, $volume) = ($device_path =~ /\/dev\/drbd\/by-res\/(.*?)\/(\d+)$/);
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				's1:resource' => $resource,
				's2:volume'   => $volume, 
			}});
			if (length($resource) > $anvil->data->{longest}{resource_name})
			{
				$anvil->data->{longest}{resource_name} = length($resource);
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'longest::resource_name' => $anvil->data->{longest}{resource_name} }});
			}
			
			# This will store the largest size LV becking the volume
			my $disk_size = 0;
			foreach my $drbd_node (sort {$a cmp $b} keys %{$anvil->data->{drbd}{drbd_node}})
			{
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { drbd_node => $drbd_node }});
				if (($drbd_node eq $node1_host_name)       or 
				    ($drbd_node eq $node1_short_host_name) or 
				    ($drbd_node eq $node2_host_name)       or 
				    ($drbd_node eq $node2_short_host_name) or 
				    (($dr1_host_name)       && ($drbd_node eq $dr1_host_name)) or 
				    (($dr1_short_host_name) && ($drbd_node eq $dr1_short_host_name)))
				{
					$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_path}        = $anvil->data->{drbd}{drbd_node}{$drbd_node}{config}{resource}{$resource}{volume}{$volume}{drbd_path};
					$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_path_by_res} = $anvil->data->{drbd}{drbd_node}{$drbd_node}{config}{resource}{$resource}{volume}{$volume}{drbd_path_by_res};
					$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_minor}       = $anvil->data->{drbd}{drbd_node}{$drbd_node}{config}{resource}{$resource}{volume}{$volume}{drbd_minor};
					$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{'meta-disk'}      = $anvil->data->{drbd}{drbd_node}{$drbd_node}{config}{resource}{$resource}{volume}{$volume}{'meta-disk'};
					$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{backing_lv}       = $anvil->data->{drbd}{drbd_node}{$drbd_node}{config}{resource}{$resource}{volume}{$volume}{backing_lv};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
						"s1:server_data::${server_name}::server_uuid::${server_uuid}::disk::${resource}::${volume}::node::${drbd_node}::drbd_path"        => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_path}, 
						"s2:server_data::${server_name}::server_uuid::${server_uuid}::disk::${resource}::${volume}::node::${drbd_node}::drbd_path_by_res" => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_path_by_res}, 
						"s3:server_data::${server_name}::server_uuid::${server_uuid}::disk::${resource}::${volume}::node::${drbd_node}::drbd_minor"       => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{drbd_minor}, 
						"s4:server_data::${server_name}::server_uuid::${server_uuid}::disk::${resource}::${volume}::node::${drbd_node}::meta_disk"        => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{'meta-disk'}, 
						"s5:server_data::${server_name}::server_uuid::${server_uuid}::disk::${resource}::${volume}::node::${drbd_node}::backing_lv"       => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{backing_lv}, 
					}});
					
					# What this node's host uuid?
					my $node_host_uuid = "";
					if (($drbd_node eq $node1_host_name) or ($drbd_node eq $node1_short_host_name))
					{
						$node_host_uuid = $node1_host_uuid;
						$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { node_host_uuid => $node_host_uuid }});
					}
					elsif (($drbd_node eq $node2_host_name) or ($drbd_node eq $node2_short_host_name))
					{
						$node_host_uuid = $node2_host_uuid;
						$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { node_host_uuid => $node_host_uuid }});
					}
					elsif (($drbd_node eq $dr1_host_name) or ($drbd_node eq $dr1_short_host_name))
					{
						$node_host_uuid = $dr1_host_uuid;
						$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { node_host_uuid => $node_host_uuid }});
					}
					
					# How big is this LV?
					my $backing_lv = $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{backing_lv};
					my $query      = "SELECT scan_lvm_lv_size FROM scan_lvm_lvs WHERE scan_lvm_lv_path = ".$anvil->Database->quote($backing_lv);
					if ($node_host_uuid)
					{
						# Find the size of the LV
						$query .= " AND scan_lvm_lv_host_uuid = ".$anvil->Database->quote($node_host_uuid);
						
						# Store the host_uuid as well.
						$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{host_uuid} = $node_host_uuid;
						$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
							"s1:server_data::${server_name}::server_uuid::${server_uuid}::disk::${resource}::${volume}::node::${drbd_node}::host_uuid" => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{node}{$drbd_node}{host_uuid}, 
						}});
					}
					$query .= ";";
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { query => $query }});
					my $results = $anvil->Database->query({query => $query, source => $THIS_FILE, line => __LINE__});
					my $count   = @{$results};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
						results => $results, 
						count   => $count, 
					}});
					
					if ($count)
					{
						my $size = $results->[0]->[0];
						$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
							size => $anvil->Convert->add_commas({number => $size})." (".$anvil->Convert->bytes_to_human_readable({'bytes' => $size}).")", 
						}});
						if ($size > $disk_size)
						{
							$disk_size = $size;
							$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
								disk_size => $anvil->Convert->add_commas({number => $disk_size})." (".$anvil->Convert->bytes_to_human_readable({'bytes' => $disk_size}).")", 
							}});
						}
					}
				}
			}
			
			# Store the disk size.
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{size}     = $disk_size;
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{say_size} = $anvil->Convert->bytes_to_human_readable({'bytes' => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{size}});
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"s1:server_data::${server_name}::server_uuid::${server_uuid}::disk::${resource}::${volume}::size" => $anvil->Convert->add_commas({number => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{size}})." (".$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{say_size}.")", ,
			}});
			
			if (length($anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{say_size}) > $anvil->data->{longest}{disk_length})
			{
				$anvil->data->{longest}{disk_length} = length($anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{disk}{$resource}{$volume}{say_size});
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'longest::disk_length' => $anvil->data->{longest}{disk_length} }});
			}
		}
		
		# Find networks
		foreach my $mac (sort {$a cmp $b} keys %{$anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}})
		{
			my $bridge = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{bridge};
			my $alias  = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{alias};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"s1:mac"    => $mac, 
				"s2:bridge" => $bridge, 
				"s3:alias"  => $alias, 
			}});
			
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{target}   = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{target};
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{model}    = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{model};
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{bus}      = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{address}{bus};
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{domain}   = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{address}{domain};
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{type}     = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{address}{type};
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{slot}     = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{address}{slot};
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{function} = $anvil->data->{server}{$target}{$server_name}{$source}{device}{interface}{$mac}{address}{function};
			$anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{ip}       = $anvil->Network->get_ip_from_mac({debug => 2, mac => $mac});
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"s1:server_data::${server_name}::server_uuid::${server_uuid}::net::${bridge}::${alias}::${mac}::target"   => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{target}, 
				"s2:server_data::${server_name}::server_uuid::${server_uuid}::net::${bridge}::${alias}::${mac}::model"    => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{model}, 
				"s3:server_data::${server_name}::server_uuid::${server_uuid}::net::${bridge}::${alias}::${mac}::bus"      => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{bus}, 
				"s4:server_data::${server_name}::server_uuid::${server_uuid}::net::${bridge}::${alias}::${mac}::domain"   => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{domain}, 
				"s5:server_data::${server_name}::server_uuid::${server_uuid}::net::${bridge}::${alias}::${mac}::type"     => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{type}, 
				"s6:server_data::${server_name}::server_uuid::${server_uuid}::net::${bridge}::${alias}::${mac}::slot"     => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{slot}, 
				"s7:server_data::${server_name}::server_uuid::${server_uuid}::net::${bridge}::${alias}::${mac}::function" => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{function}, 
				"s8:server_data::${server_name}::server_uuid::${server_uuid}::net::${bridge}::${alias}::${mac}::ip"       => $anvil->data->{server_data}{$server_name}{server_uuid}{$server_uuid}{net}{$bridge}{$alias}{$mac}{ip}, 
			}});
		}
	}
	
	return(0);
}