#!/usr/bin/perl
# 
# This program will manage servers; Changing RAM, CPU cores, Growing virtual disks, adding virtual disks, 
# inserting and ejecting ISO images into virtual optical media.
# 
# Exit codes;
# 0 = Normal exit.
# 1 = No database connection.
# 
# TODO: 
# 

use strict;
use warnings;
use Anvil::Tools;
require POSIX;
use Term::Cap;

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

# Turn off buffering so that the pinwheel will display while waiting for the SSH call(s) to complete.
$| = 1;

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

$anvil->data->{switches}{anvil}       = "";	# This is the Anvil! Name or UUID being worked on.
$anvil->data->{switches}{boot}        = "";	# This is a comma-separated list of ordered boot devices
$anvil->data->{switches}{cores}       = "";	# This sets the server to use this number of CPU cores.
$anvil->data->{switches}{drive}       = "";	# drive being modified (insert/eject ISO, growing drive)
$anvil->data->{switches}{eject}       = "";	# This will eject whatever ISO (if any) in the '--drive'. 
$anvil->data->{switches}{'expand-to'} = "";	# When the drive is a disk (backed by a DRBD resource), this is the new desired size to grow to.
$anvil->data->{switches}{insert}      = "";	# This is the ISO to insert into the --drive
$anvil->data->{switches}{'job-uuid'}  = "";
$anvil->data->{switches}{ram}         = "";	# This is the amount of RAM to set the server to use.
$anvil->data->{switches}{server}      = "";	# server name or uuid
$anvil->data->{switches}{y}           = "";	# Don't prompt for confirmation. Only useful when there isn't a job UUID.
$anvil->Get->switches;
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, secure => 0, key => "log_0115", variables => { program => $THIS_FILE }});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
	'switches::boot'      => $anvil->data->{switches}{boot},
	'switches::cores'     => $anvil->data->{switches}{cores},
	'switches::drive'     => $anvil->data->{switches}{drive},
	'switches::eject'     => $anvil->data->{switches}{eject},
	'switches::expand-to' => $anvil->data->{switches}{'expand-to'},
	'switches::insert'    => $anvil->data->{switches}{insert}, 
	'switches::job-uuid'  => $anvil->data->{switches}{'job-uuid'},
	'switches::ram'       => $anvil->data->{switches}{ram}, 
	'switches::server'    => $anvil->data->{switches}{server}, 
	'switches::y'         => $anvil->data->{switches}{y}, 
}});

# Connect to the database(s). If we have no connections, we'll proceed anyway as one of the 'run_once' tasks
# is to setup the database server.
$anvil->Database->connect();
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 3, secure => 0, key => "log_0132"});
if (not $anvil->data->{sys}{database}{connections})
{
	# No databases, update the job, sleep for a bit and then exit. The daemon will pick it up and try 
	# again after we exit.
	$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0305"});
	sleep 10;
	$anvil->nice_exit({exit_code => 1});
}

# If we don't have a job UUID, try to find one.
if (not $anvil->data->{switches}{'job-uuid'})
{
	# Load the job data.
	$anvil->data->{switches}{'job-uuid'} = $anvil->Job->get_job_uuid({program => $THIS_FILE});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "switches::job-uuid" => $anvil->data->{switches}{'job-uuid'} }});
}

# If we still don't have a job-uuit, go into interactive mode.
if ($anvil->data->{switches}{'job-uuid'})
{
	# Load the job data.
	$anvil->Job->clear();
	$anvil->Job->get_job_details();
	$anvil->Job->update_progress({
		progress         => 1,
		job_picked_up_by => $$, 
		job_picked_up_at => time, 
		message          => "message_0251", 
	});
	
	# Job data will be in $anvil->data->{jobs}{job_data}
	run_jobs($anvil);
}
else
{
	# Interactive!
	interactive_question($anvil);
}

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


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

sub run_jobs
{
	my ($anvil) = @_;
	
	
	
	return(0);
}

sub interactive_question
{
	my ($anvil) = @_;
	
	$anvil->Database->get_hosts();
	$anvil->Database->get_anvils();
	$anvil->Database->get_servers();
	
	$anvil->data->{target_server}{server_uuid}           = "" if not defined $anvil->data->{target_server}{server_uuid};
	$anvil->data->{target_server}{server_name}           = "" if not defined $anvil->data->{target_server}{server_name};
	$anvil->data->{target_server}{server_state}          = "" if not defined $anvil->data->{target_server}{server_state};
	$anvil->data->{target_server}{anvil_uuid}            = "" if not defined $anvil->data->{target_server}{anvil_uuid};
	$anvil->data->{target_server}{anvil_name}            = "" if not defined $anvil->data->{target_server}{anvil_name};
	$anvil->data->{target_server}{anvil_description}     = "" if not defined $anvil->data->{target_server}{anvil_description};
	$anvil->data->{target_server}{anvil_node1_host_uuid} = "" if not defined $anvil->data->{target_server}{anvil_node1_host_uuid};
	$anvil->data->{target_server}{anvil_node1_host_name} = "" if not defined $anvil->data->{target_server}{anvil_node1_host_name};
	$anvil->data->{target_server}{anvil_node2_host_uuid} = "" if not defined $anvil->data->{target_server}{anvil_node2_host_uuid};
	$anvil->data->{target_server}{anvil_node2_host_name} = "" if not defined $anvil->data->{target_server}{anvil_node2_host_name};
	$anvil->data->{target_server}{anvil_dr1_host_uuid}   = "" if not defined $anvil->data->{target_server}{anvil_dr1_host_uuid};
	$anvil->data->{target_server}{anvil_dr1_host_name}   = "" if not defined $anvil->data->{target_server}{anvil_dr1_host_name};
	
	### Anvil
	# If 'switches::anvil' is set, see if it's a UUID and then set either 'anvil-uuid' or 'anvil-name'.
	if ($anvil->data->{switches}{anvil})
	{
		if ($anvil->Validate->uuid({uuid => $anvil->data->{switches}{anvil}}))
		{
			$anvil->data->{target_server}{anvil_uuid} = $anvil->data->{switches}{anvil};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::anvil_uuid" => $anvil->data->{target_server}{anvil_uuid},
			}});
		}
		else
		{
			$anvil->data->{target_server}{anvil_name} = $anvil->data->{switches}{anvil};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::anvil_name" => $anvil->data->{target_server}{anvil_name},
			}});
		}
	}
	
	# Do we know or can we find the Anvil! UUID?
	if ((not $anvil->data->{target_server}{anvil_name}) && ($anvil->data->{switches}{'anvil-name'}))
	{
		$anvil->data->{target_server}{anvil_name} = $anvil->data->{switches}{'anvil-name'};
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			"target_server::anvil_name" => $anvil->data->{target_server}{anvil_name},
		}});
	}
	if ((not $anvil->data->{target_server}{anvil_uuid}) && ($anvil->data->{switches}{'anvil-uuid'}))
	{
		$anvil->data->{target_server}{anvil_uuid} = $anvil->data->{switches}{'anvil-uuid'};
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			"target_server::anvil_uuid" => $anvil->data->{target_server}{anvil_uuid},
		}});
	}
	
	if ((not $anvil->data->{target_server}{anvil_uuid}) && (not $anvil->data->{target_server}{anvil_name}))
	{
		# Nothing given. Is this host a node, perhaps?
		my $anvil_uuid = $anvil->Cluster->get_anvil_uuid();
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { anvil_uuid => $anvil_uuid }});
		
		if ($anvil_uuid)
		{
			$anvil->data->{target_server}{anvil_uuid} = $anvil_uuid;
			$anvil->data->{target_server}{anvil_name} = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_name};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::anvil_name" => $anvil->data->{target_server}{anvil_name},
				"target_server::anvil_uuid" => $anvil->data->{target_server}{anvil_uuid},
			}});
		}
		else
		{
			# If there is only one Anvil!, choose it
			my $known_anvils = keys %{$anvil->data->{anvils}{anvil_name}};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { known_anvils => $known_anvils }});
			if (not $known_anvils)
			{
				my $variables = { server_uuid => $anvil->data->{target_server}{server_uuid} };
				$anvil->Jobs->update_progress({
					progress   => 100,
					message    => "error_0321", 
					job_status => "failed", 
					log_level  => 1,
					priority   => "err",
				});
				$anvil->nice_exit({exit_code => 1});
			}
			elsif ($known_anvils == 1)
			{
				foreach my $anvil_name (keys %{$anvil->data->{anvils}{anvil_name}})
				{
					$anvil->data->{target_server}{anvil_name} = $anvil_name;
					$anvil->data->{target_server}{anvil_uuid} = $anvil->data->{anvils}{anvil_name}{$anvil_name}{anvil_uuid};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
						"target_server::anvil_name" => $anvil->data->{target_server}{anvil_name},
						"target_server::anvil_uuid" => $anvil->data->{target_server}{anvil_uuid},
					}});
				}
			}
		}
	}
	elsif (not $anvil->data->{target_server}{anvil_uuid})
	{
		# We have a name, get the UUID.
		$anvil->data->{target_server}{anvil_uuid} = $anvil->Cluster->get_anvil_uuid({anvil_name => $anvil->data->{target_server}{anvil_name}});
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "target_server::anvil_uuid" => $anvil->data->{target_server}{anvil_uuid} }});
		
		# If the name is bad, error out if not interactive
		if (not $anvil->data->{target_server}{anvil_uuid})
		{
			# Bad server UUID. If it's a job, abort. Otherwise, clear and go back to 
			my $variables = { anvil_name => $anvil->data->{target_server}{anvil_name} };
			$anvil->Jobs->update_progress({
				progress   => 100,
				message    => "error_0319", 
				variables  => $variables,
				job_status => "failed", 
				log_level  => 1,
				priority   => "err",
			});
			if ($anvil->data->{switches}{'job-uuid'})
			{
				$anvil->nice_exit({exit_code => 1});
			}
			$anvil->data->{target_server}{anvil_name} = "";
		}
	}
	elsif (not $anvil->data->{target_server}{anvil_name})
	{
		$anvil->data->{target_server}{anvil_name} = $anvil->Cluster->get_anvil_name({anvil_uuid => $anvil->data->{target_server}{anvil_uuid}});
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "target_server::anvil_name" => $anvil->data->{target_server}{anvil_name} }});
		
		# If the name is bad, error out if not interactive
		if (not $anvil->data->{target_server}{anvil_name})
		{
			# Bad server UUID. If it's a job, abort. Otherwise, clear and go back to 
			my $variables = { anvil_uuid => $anvil->data->{target_server}{anvil_uuid} };
			$anvil->Jobs->update_progress({
				progress   => 100,
				message    => "error_0320", 
				variables  => $variables,
				job_status => "failed", 
				log_level  => 1,
				priority   => "err",
			});
			if ($anvil->data->{switches}{'job-uuid'})
			{
				$anvil->nice_exit({exit_code => 1});
			}
			$anvil->data->{target_server}{anvil_uuid} = "";
		}
	}
	
	### Server
	# First, has the user specified a server? If so, and if it's by name, make sure it's unique. If the 
	# name exists on two or more Anvil! systems, we'll need an Anvil! name as well. If it's unique, we 
	# can devine the Anvil! UUID.
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
		"switches::server" => $anvil->data->{switches}{server},
	}});
	if ($anvil->data->{switches}{server})
	{
		my $server = $anvil->data->{switches}{server};
		if ($anvil->Validate->uuid({uuid => $server}))
		{
			$anvil->data->{target_server}{server_uuid} = $server;
			$anvil->data->{target_server}{server_name} = exists $anvil->data->{servers}{server_uuid}{$server} ? $anvil->data->{servers}{server_uuid}{$server}{server_name} : ""; 
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::server_uuid" => $anvil->data->{target_server}{server_uuid},
				"target_server::server_name" => $anvil->data->{target_server}{server_name},
			}});
		}
		else
		{
			$anvil->data->{target_server}{server_name} = $server;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::server_name" => $anvil->data->{target_server}{server_name},
			}});
			if ($anvil->data->{target_server}{anvil_uuid})
			{
				my $anvil_uuid = $anvil->data->{target_server}{anvil_uuid};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { anvil_uuid => $anvil_uuid }});
				
				$anvil->data->{target_server}{server_uuid} = exists $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$server} ? $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$server}{server_uuid} : "";
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"target_server::server_uuid" => $anvil->data->{target_server}{server_uuid},
				}});
			}
		}
	}
	
	# If we have a server UUID, make sure it's valid.
	if ($anvil->data->{target_server}{server_uuid})
	{
		# Pull up the server data.
		my $server_uuid = $anvil->data->{target_server}{server_uuid};
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { server_uuid => $server_uuid }});
		if (exists $anvil->data->{servers}{server_uuid}{$server_uuid})
		{
			# We can divine everthing from this.
			my $anvil_uuid       = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_anvil_uuid};
			my $server_name      = $anvil->data->{target_server}{server_name};
			my $server_host_uuid = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_host_uuid};
			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_node1_host_uuid};
			my $dr1_host_uuid    = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_dr1_host_uuid};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				anvil_uuid       => $anvil_uuid,
				server_name      => $server_name, 
				server_host_uuid => $server_host_uuid, 
				node1_host_uuid  => $node1_host_uuid, 
				node2_host_uuid  => $node2_host_uuid, 
				dr1_host_uuid    => $dr1_host_uuid, 
			}});
			
			$anvil->data->{target_server}{anvil_uuid}            = $anvil_uuid;
			$anvil->data->{target_server}{server_name}           = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_name};
			$anvil->data->{target_server}{server_state}          = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_state};
			$anvil->data->{target_server}{anvil_name}            = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_name};
			$anvil->data->{target_server}{anvil_description}     = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_description};
			$anvil->data->{target_server}{anvil_node1_host_uuid} = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node1_host_uuid};
			$anvil->data->{target_server}{anvil_node1_host_name} = $anvil->data->{hosts}{host_uuid}{$node1_host_uuid}{host_name};
			$anvil->data->{target_server}{anvil_node2_host_uuid} = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node2_host_uuid};
			$anvil->data->{target_server}{anvil_node2_host_name} = $anvil->data->{hosts}{host_uuid}{$node2_host_uuid}{host_name};
			$anvil->data->{target_server}{anvil_dr1_host_uuid}   = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node1_host_uuid};
			$anvil->data->{target_server}{anvil_dr1_host_name}   = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node1_host_uuid};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::anvil_uuid"            => $anvil->data->{target_server}{anvil_uuid},
				"target_server::server_name"           => $anvil->data->{target_server}{server_name},
				"target_server::server_state"          => $anvil->data->{target_server}{server_state},
				"target_server::anvil_description"     => $anvil->data->{target_server}{anvil_description},
				"target_server::anvil_node1_host_uuid" => $anvil->data->{target_server}{anvil_node1_host_uuid},
				"target_server::anvil_node1_host_name" => $anvil->data->{target_server}{anvil_node1_host_name},
				"target_server::anvil_node2_host_uuid" => $anvil->data->{target_server}{anvil_node2_host_uuid},
				"target_server::anvil_node2_host_name" => $anvil->data->{target_server}{anvil_node2_host_name},
				"target_server::anvil_dr1_host_uuid"   => $anvil->data->{target_server}{anvil_dr1_host_uuid},
				"target_server::anvil_dr1_host_name"   => $anvil->data->{target_server}{anvil_dr1_host_name},
			}});
			if ($dr1_host_uuid)
			{
				$anvil->data->{target_server}{anvil_dr1_host_uuid} = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_dr1_host_uuid};
				$anvil->data->{target_server}{anvil_dr1_host_name} = $anvil->data->{hosts}{host_uuid}{$dr1_host_uuid}{host_name};;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"target_server::anvil_dr1_host_uuid" => $anvil->data->{target_server}{anvil_dr1_host_uuid},
					"target_server::anvil_dr1_host_name" => $anvil->data->{target_server}{anvil_dr1_host_name},
				}});
			}
			
			### Pull out details of the server. 
			# How much RAM are we using and how much is configured?
			$anvil->data->{target_server}{ram_in_use}       = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_ram_in_use};
			$anvil->data->{target_server}{configured_ram}   = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_configured_ram};
			$anvil->data->{target_server}{server_host_uuid} = $server_host_uuid;
			$anvil->data->{target_server}{server_host_name} = $anvil->data->{hosts}{host_uuid}{$server_host_uuid}{host_name};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::ram_in_use"        => $anvil->Convert->add_commas({number => $anvil->data->{target_server}{ram_in_use}})." (".$anvil->Convert->bytes_to_human_readable({'bytes' => $anvil->data->{target_server}{ram_in_use}}).")",
				"target_server::configured_ram"    => $anvil->Convert->add_commas({number => $anvil->data->{target_server}{configured_ram}})." (".$anvil->Convert->bytes_to_human_readable({'bytes' => $anvil->data->{target_server}{configured_ram}}).")",
				"target_server::server_host_uuid"  => $anvil->data->{target_server}{server_host_uuid},
				"target_server::server_host_name"  => $anvil->data->{target_server}{server_host_name},
			}});
			if ($anvil->data->{target_server}{server_state} eq "shut off")
			{
				$anvil->data->{target_server}{ram_in_use}       = 0;
				$anvil->data->{target_server}{server_host_uuid} = "";
				$anvil->data->{target_server}{server_host_name} = "";
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"target_server::ram_in_use"       => $anvil->Convert->add_commas({number => $anvil->data->{target_server}{ram_in_use}})." (".$anvil->Convert->bytes_to_human_readable({'bytes' => $anvil->data->{target_server}{ram_in_use}}).")",
					"target_server::server_host_uuid" => $anvil->data->{target_server}{server_host_uuid},
					"target_server::server_host_name" => $anvil->data->{target_server}{server_host_name},
				}});
			}
			
			# Does this server boot after others, or stay off?
			$anvil->data->{target_server}{boot}{after_server_name} = "";
			$anvil->data->{target_server}{boot}{after_server_uuid} = "";
			$anvil->data->{target_server}{boot}{start_delay}       = "";
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"servers::server_uuid::${server_uuid}::server_start_after_server_uuid" => $anvil->data->{servers}{server_uuid}{$server_uuid}{server_start_after_server_uuid},
			}});
			if (($anvil->data->{servers}{server_uuid}{$server_uuid}{server_start_after_server_uuid}) && ($anvil->data->{servers}{server_uuid}{$server_uuid}{server_start_after_server_uuid} ne "NULL"))
			{
				my $start_after_server_uuid = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_start_after_server_uuid};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { start_after_server_uuid => $start_after_server_uuid }});
				
				if ($start_after_server_uuid eq "00000000-0000-0000-0000-000000000000")
				{
					# Stay off
					$anvil->data->{target_server}{boot}{after_server_name} = $anvil->Words->string({key => "striker_0292"});
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
						"target_server::boot::after_server_name" => $anvil->data->{target_server}{boot}{after_server_name},
					}});
				}
				else
				{
					# Server proper
					$anvil->data->{target_server}{boot}{after_server_name} = $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$start_after_server_uuid}{server_uuid};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
						"target_server::boot::after_server_name" => $anvil->data->{target_server}{boot}{after_server_name},
					}});
				}
				$anvil->data->{target_server}{boot}{after_server_uuid} = "00000000-0000-0000-0000-000000000000";
				$anvil->data->{target_server}{boot}{start_delay}       = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_start_delay};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"target_server::boot::after_server_uuid" => $anvil->data->{target_server}{boot}{after_server_uuid},
					"target_server::boot::start_delay"       => $anvil->data->{target_server}{boot}{start_delay},
				}});
			}
			
			# Get a list of files on this Anvil!
			foreach my $file_uuid (keys %{$anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{file_uuid}})
			{
				my $file_name = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{file_uuid}{$file_uuid}{file_name};
				my $file_type = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{file_uuid}{$file_uuid}{file_type};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					file_uuid => $file_uuid, 
					file_name => $file_name, 
					file_type => $file_type, 
				}});
				
				$anvil->data->{files}{$file_type}{name}{$file_name}{directory} = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{file_uuid}{$file_uuid}{file_directory};
				$anvil->data->{files}{$file_type}{name}{$file_name}{file_size} = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{file_uuid}{$file_uuid}{file_size};
				$anvil->data->{files}{$file_type}{name}{$file_name}{md5sum}    = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{file_uuid}{$file_uuid}{file_md5sum};
				$anvil->data->{files}{$file_type}{name}{$file_name}{file_uuid} = $file_uuid;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"files::${file_type}::name::${file_name}::directory" => $anvil->data->{files}{$file_type}{name}{$file_name}{directory}, 
					"files::${file_type}::name::${file_name}::file_size" => $anvil->Convert->bytes_to_human_readable({'bytes' => $anvil->Convert->add_commas({number => $anvil->data->{files}{$file_type}{name}{$file_name}{file_size}})})." (".$anvil->data->{files}{$file_type}{name}{$file_name}{file_size}.")", 
					"files::${file_type}::name::${file_name}::md5sum"    => $anvil->data->{files}{$file_type}{name}{$file_name}{md5sum}, 
					"files::${file_type}::name::${file_name}::file_uuid" => $anvil->data->{files}{$file_type}{name}{$file_name}{file_uuid}, 
				}});
			}
			
			# Get and parse the server's definition. 
			$anvil->Database->get_server_definitions({
				debug       => 2,
				server_uuid => $server_uuid,
			});
			
			my $short_host_name = $anvil->Get->short_host_name();
			my $definition_uuid = $anvil->data->{server_definitions}{server_definition_server_uuid}{$server_uuid}{server_definition_uuid};
			my $definition_xml  = $anvil->data->{server_definitions}{server_definition_server_uuid}{$server_uuid}{server_definition_xml};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
				's1:short_host_name' => $short_host_name, 
				's2:definition_uuid' => $definition_uuid, 
				's3:definition_xml'  => $definition_xml, 
			}});
			
			$anvil->Server->parse_definition({
				debug      => 2,
				source     => "from_db", 
				server     => $anvil->data->{target_server}{server_name}, 
				definition => $definition_xml, 
				host       => $short_host_name, 
			});
			
			# If only VCPU is set, cores and threads will both be '1' but 'total' will be higher.
			#  Windows (and others?) interprets this as X number of single core sockets.
			$anvil->data->{target_server}{server_cpu_total}   = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{cpu}{total_cores} if not defined $anvil->data->{target_server}{server_cpu_total};
			$anvil->data->{target_server}{server_cpu_sockets} = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{cpu}{sockets}     if not defined $anvil->data->{target_server}{server_cpu_sockets};
			$anvil->data->{target_server}{server_cpu_cores}   = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{cpu}{threads}     if not defined $anvil->data->{target_server}{server_cpu_cores};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				's1:target_server::server_cpu_sockets' => $anvil->data->{target_server}{server_cpu_sockets}, 
				's2:target_server::server_cpu_cores'   => $anvil->data->{target_server}{server_cpu_cores}, 
				's3:target_server::server_cpu_total'   => $anvil->data->{target_server}{server_cpu_total}, 
			}});
			
			if (($anvil->data->{target_server}{server_cpu_sockets} == 1) && ($anvil->data->{target_server}{server_cpu_cores} == 1) && ($anvil->data->{target_server}{server_cpu_total} > 1))
			{
				$anvil->data->{target_server}{server_cpu_sockets} = $anvil->data->{target_server}{server_cpu_total};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					's1:target_server::server_cpu_sockets' => $anvil->data->{target_server}{server_cpu_sockets}, 
				}});
			}
			
			# Pull out the existing disks.
			foreach my $target (sort {$a cmp $b} keys %{$anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{disk}{target}})
			{
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { target => $target }});
				
				$anvil->data->{target_server}{disk}{$target}{device_bus} = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{disk}{target}{$target}{device_bus};
				$anvil->data->{target_server}{disk}{$target}{boot_order} = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{disk}{target}{$target}{boot_order} ? $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{disk}{target}{$target}{boot_order} : 0;
				$anvil->data->{target_server}{disk}{$target}{cache}      = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{disk}{target}{$target}{driver}{cache};
				$anvil->data->{target_server}{disk}{$target}{io}         = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{disk}{target}{$target}{driver}{io};
				$anvil->data->{target_server}{disk}{$target}{path}       = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{disk}{target}{$target}{path};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"target_server::disk::${target}::device_bus" => $anvil->data->{target_server}{disk}{$target}{device_bus}, 
					"target_server::disk::${target}::boot_order" => $anvil->data->{target_server}{disk}{$target}{boot_order}, 
					"target_server::disk::${target}::cache"      => $anvil->data->{target_server}{disk}{$target}{cache}, 
					"target_server::disk::${target}::io"         => $anvil->data->{target_server}{disk}{$target}{io}, 
					"target_server::disk::${target}::path"       => $anvil->data->{target_server}{disk}{$target}{path}, 
				}});
				
				if ($anvil->data->{target_server}{disk}{$target}{boot_order})
				{
					my $boot_order                                               = $anvil->data->{target_server}{disk}{$target}{boot_order};
					   $anvil->data->{target_server}{boot}{$boot_order}{$target} = $anvil->data->{target_server}{disk}{$target}{path};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
						"target_server::boot::${boot_order}::${target}" => $anvil->data->{target_server}{boot}{$boot_order}{$target}, 
					}});
				}
			}
			
			foreach my $target (sort {$a cmp $b} keys %{$anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{cdrom}{target}})
			{
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { target => $target }});
				
				$anvil->data->{target_server}{cdrom}{$target}{device_bus} = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{cdrom}{target}{$target}{device_bus};
				$anvil->data->{target_server}{cdrom}{$target}{boot_order} = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{cdrom}{target}{$target}{boot_order} ? $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{cdrom}{target}{$target}{boot_order} : 0;
				$anvil->data->{target_server}{cdrom}{$target}{path}       = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{cdrom}{target}{$target}{path};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"target_server::cdrom::${target}::device_bus" => $anvil->data->{target_server}{cdrom}{$target}{device_bus}, 
					"target_server::cdrom::${target}::boot_order" => $anvil->data->{target_server}{cdrom}{$target}{boot_order}, 
					"target_server::cdrom::${target}::path"       => $anvil->data->{target_server}{cdrom}{$target}{path}, 
				}});
				
				if ($anvil->data->{target_server}{cdrom}{$target}{boot_order})
				{
					my $boot_order                                               = $anvil->data->{target_server}{cdrom}{$target}{boot_order};
					   $anvil->data->{target_server}{boot}{$boot_order}{$target} = $anvil->data->{target_server}{cdrom}{$target}{path};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
						"target_server::boot::${boot_order}::${target}" => $anvil->data->{target_server}{boot}{$boot_order}{$target}, 
					}});
				}
			}
			
			foreach my $script ("pre_migration", "post_migration")
			{
				my $file_uuid_key = "server_".$script."_file_uuid";
				my $argument_key  = "server_".$script."_arguments";
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					script        => $script, 
					file_uuid_key => $file_uuid_key, 
				}});
				
				$anvil->data->{target_server}{scripts}{$script}{file_uuid} = "";
				$anvil->data->{target_server}{scripts}{$script}{file_name} = "";
				$anvil->data->{target_server}{scripts}{$script}{arguments} = "";
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"servers::server_uuid::${server_uuid}::${file_uuid_key}" => $anvil->data->{servers}{server_uuid}{$server_uuid}{$file_uuid_key}, 
				}});
				if (($anvil->data->{servers}{server_uuid}{$server_uuid}{$file_uuid_key}) && ($anvil->data->{servers}{server_uuid}{$server_uuid}{$file_uuid_key} ne "NULL"))
				{
					my $file_uuid = $anvil->data->{servers}{server_uuid}{$server_uuid}{$file_uuid_key};
					my $file_name = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{file_uuid}{$file_uuid}{file_name};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
						file_uuid => $file_uuid, 
						file_name => $file_name, 
					}});
					
					$anvil->data->{target_server}{scripts}{$script}{file_uuid} = $file_uuid;
					$anvil->data->{target_server}{scripts}{$script}{file_name} = $file_name;
					$anvil->data->{target_server}{scripts}{$script}{arguments} = $anvil->data->{servers}{server_uuid}{$server_uuid}{$argument_key};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
						"target_server::scripts::${script}::file_uuid" => $anvil->data->{target_server}{scripts}{$script}{file_uuid}, 
						"target_server::scripts::${script}::file_name" => $anvil->data->{target_server}{scripts}{$script}{file_name}, 
						"target_server::scripts::${script}::arguments" => $anvil->data->{target_server}{scripts}{$script}{arguments}, 
					}});
				}
			}
			
			# Get the available resources.
			$anvil->Get->available_resources();
=cut
 anvil_resources::<anvil_uuid>::cpu::cores
 anvil_resources::<anvil_uuid>::cpu::threads
 anvil_resources::<anvil_uuid>::ram::available
 anvil_resources::<anvil_uuid>::ram::allocated
 anvil_resources::<anvil_uuid>::ram::hardware
 anvil_resources::<anvil_uuid>::bridges::<bridge_name>::on_nodes
 anvil_resources::<anvil_uuid>::bridges::<bridge_name>::on_dr
 anvil_resources::<anvil_uuid>::storage_group::<storage_group_uuid>::group_name
 anvil_resources::<anvil_uuid>::storage_group::<storage_group_uuid>::vg_size
 anvil_resources::<anvil_uuid>::storage_group::<storage_group_uuid>::free_size
 anvil_resources::<anvil_uuid>::storage_group::<storage_group_uuid>::vg_size_on_dr
 anvil_resources::<anvil_uuid>::storage_group::<storage_group_uuid>::available_on_dr
=cut			
		}
		else
		{
			# Bad server UUID. If it's a job, abort. Otherwise, clear and go back to 
			my $variables = { server_uuid => $anvil->data->{target_server}{server_uuid} };
			$anvil->Jobs->update_progress({
				progress   => 100,
				message    => "error_0318", 
				variables  => $variables,
				job_status => "failed", 
				log_level  => 1,
				priority   => "err",
			});
			if ($anvil->data->{switches}{'job-uuid'})
			{
				$anvil->nice_exit({exit_code => 1});
			}
			$anvil->data->{target_server}{server_uuid} = "";
		}
	}
	
	# If we don't have an Anvil! UUID at this point, we need to ask the user.
	my $termios = new POSIX::Termios;
	$termios->getattr;
	my $ospeed = $termios->getospeed;
	
	my $terminal = Tgetent Term::Cap { TERM => undef, OSPEED => $ospeed };
	$terminal->Trequire(qw/ce ku kd/);
	
	if (not $anvil->data->{target_server}{anvil_uuid})
	{
		interactive_ask_anvil_name($anvil, $terminal);
	}
	if (not $anvil->data->{target_server}{server_uuid})
	{
		interactive_ask_server_name($anvil, $terminal);
	}
	
	# Made it here? Show the menu.
	interactive_configure_main($anvil, $terminal);
	
	return(0);
}

sub interactive_configure_main
{
	my ($anvil, $terminal) = @_;
	
	while(1)
	{
		print $terminal->Tputs('cl');
		print $anvil->Words->string({key => "job_0355", variables => { 
			anvil_name  => $anvil->data->{target_server}{anvil_name},
			server_name => $anvil->data->{target_server}{server_name}, 
		}})."\n";
		print "[ 1 ] - CPU\n";
		print "[ 2 ] - RAM\n";
		print "[ 3 ] - Storage\n";
		print "[ 4 ] - Network\n";
		print "[ 5 ] - Boot Order\n";
		print "\n";
		print "[ B ] - Back\n";
		print "[ Q ] - Quit\n";
		print "\n";
		print $terminal->Tgoto('cm', 0, 9)."? ";
		my $answer = <STDIN>;
		chomp $answer;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
		
		if ($answer eq "1")
		{
			interactive_configure_cpu($anvil, $terminal)
		}
		elsif ($answer eq "2")
		{
			print "Going to RAM menu\n";
			sleep 1;
		}
		elsif ($answer eq "3")
		{
			print "Going to Storage menu\n";
			sleep 1;
		}
		elsif ($answer eq "4")
		{
			print "Going to Network menu\n";
			sleep 1;
		}
		elsif ($answer eq "5")
		{
			print "Going to Boot order menu\n";
			sleep 1;
		}
		elsif (lc($answer) eq "b")
		{
			$anvil->data->{target_server}{server_name} = "";
			$anvil->data->{target_server}{server_uuid} = "";
			$anvil->data->{switches}{server}           = "";
			interactive_ask_server_name($anvil, $terminal);
		}
		elsif (lc($answer) eq "q")
		{
			print "NO CARRIER, good bye.\n";
			$anvil->nice_exit({exit_code => 0});
		}
		else
		{
			print "Invalid selection, please enter the digit for the menu you want.\n";
			sleep 1;
		}
=cut
1. CPU
	* Max (sockets * cores): X
	1. Sockets: 
	2. Cores:   
2. RAM
	* Available:  X
	* In use:     y
	* Configured: z
	1. Size:  
3. Storage
	1. Optical media
		<list drives>
			1. Insert / change
				<file list>
			2. Eject
	2. Disks
		1. New
			<storage groups (size available)>
		<list drives>
			1. Grow
			2. Delete
			3. Move <when 2+ storage groups>
	3. Boot order
		<list disks, 0 == don't boot>
4. Network
	<interface list>
		1. MAC Address
		2. emulation type
		3. <toggle> Plug in / Unplug
		4. Bridge
		5. Delete
	1. Add
5. Boot Order
=cut
	}
	
	return(0);
}

sub interactive_configure_cpu
{
	my ($anvil, $terminal) = @_;
	
	while(1)
	{
		my $anvil_uuid = $anvil->data->{target_server}{anvil_uuid};
		my $maximum    = $anvil->data->{anvil_resources}{$anvil_uuid}{cpu}{cores} * $anvil->data->{anvil_resources}{$anvil_uuid}{cpu}{threads};
		my $current_cores   = $anvil->data->{target_server}{server_cpu_cores};
		
		if (not exists $anvil->data->{new_config}{cpu}{sockets})
		{
			$anvil->data->{new_config}{cpu}{sockets} = "";
		}
		if (not exists $anvil->data->{new_config}{cpu}{cores})
		{
			$anvil->data->{new_config}{cpu}{cores} = "";
		}
		
		my $star_cores = " ";
		if (($anvil->data->{new_config}{cpu}{cores}) && ($anvil->data->{new_config}{cpu}{cores} ne $anvil->data->{target_server}{server_cpu_cores}))
		{
			$star_cores = "*";
		}
		my $star_sockets = " ";
		if (($anvil->data->{new_config}{cpu}{sockets}) && ($anvil->data->{new_config}{cpu}{sockets} ne $anvil->data->{target_server}{server_cpu_sockets}))
		{
			$star_sockets = "*";
		}
		
		print $terminal->Tputs('cl');
		print $anvil->Words->string({key => "job_0355", variables => { 
			anvil_name  => $anvil->data->{target_server}{anvil_name},
			server_name => $anvil->data->{target_server}{server_name}, 
		}})."\n";
		print "* CPU configuration. Maximum cores X sockets is: [".$maximum."]\n";
		print "[ 1 ] - Cores per socket".$star_cores." (currently: [".$anvil->data->{target_server}{server_cpu_cores}."], new: [".$anvil->data->{new_config}{cpu}{cores}."])\n";
		print "[ 2 ] - Sockets".$star_sockets."      (currently: [".$anvil->data->{target_server}{server_cpu_sockets}."], new: [".$anvil->data->{new_config}{cpu}{sockets}."])\n";
		
		print "\n";
		print "[ B ] - Back\n";
		print "[ Q ] - Quit\n";
		print $terminal->Tgoto('cm', 0, 7)."? ";
		my $answer = <STDIN>;
		chomp $answer;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
		
		if ($answer eq "1")
		{
			print "How many cores per socket would you like? ";
		}
		elsif ($answer eq "2")
		{
		}
		elsif (lc($answer) eq "b")
		{
		}
		elsif (lc($answer) eq "q")
		{
		}
		else
		{
			
		}
	}
	
	return(0);
}

sub interactive_ask_anvil_name
{
	my ($anvil, $terminal) = @_;
	
	my $retry = 0;
	while(1)
	{
		my $default = "";
		if ($anvil->data->{target_server}{anvil_name})
		{
			$default = $anvil->data->{target_server}{anvil_name};
		}
		print $terminal->Tputs('cl');
		print $anvil->Words->string({key => "message_0257"})."\n";
		
		my $anvil_selection = [];
		push @{$anvil_selection}, "NULL";
		
		my $anvil_count        = 0;
		my $longest_anvil_name = 0;
		foreach my $anvil_name (sort {$a cmp $b} keys %{$anvil->data->{anvils}{anvil_name}})
		{
			my $anvil_uuid        = $anvil->data->{anvils}{anvil_name}{$anvil_name}{anvil_uuid};
			my $anvil_description = $anvil->data->{anvils}{anvil_name}{$anvil_name}{anvil_description};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				anvil_name        => $anvil_name, 
				anvil_uuid        => $anvil_uuid,
				anvil_description => $anvil_description, 
			}});
			next if $anvil_description eq "DELETED";
			
			$anvil_count++;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { anvil_count => $anvil_count }});
			push @{$anvil_selection}, $anvil_name;
			
			if (length($anvil_name) > $longest_anvil_name)
			{
				$longest_anvil_name = length($anvil_name);
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { longest_anvil_name => $longest_anvil_name }});
			}
		}
		
		my $number_length = length($anvil_count + 1);
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { number_length => $number_length }});
		for (my $i = 1; $i < @{$anvil_selection}; $i++)
		{
			my $anvil_name = $anvil_selection->[$i];
			next if $anvil_name eq "NULL";
			my $anvil_uuid        = $anvil->data->{anvils}{anvil_name}{$anvil_name}{anvil_uuid};
			my $anvil_description = $anvil->data->{anvils}{anvil_name}{$anvil_name}{anvil_description};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				i                 => $i,
				anvil_name        => $anvil_name, 
				anvil_uuid        => $anvil_uuid,
				anvil_description => $anvil_description, 
			}});
			
			print $anvil->Words->string({key => "message_0258", variables => { 
				number            => sprintf("%-${number_length}s", $i),
				anvil_name        => sprintf("%-${longest_anvil_name}s", $anvil_name),
				anvil_description => $anvil_description, 
			}})."\n";
		}
		print "\n";
		print "[ Q ] - Quit\n";
		print "\n";
		
		my $column = 3 + $anvil_count;
		print $terminal->Tgoto('cm', 0, $column)."? ";
		my $answer = <STDIN>;
		chomp $answer;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
		
		if ((not $answer) && ($default))
		{
			$answer = $default;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
		}
		
		# Reload in case a new anvil! was saved while we waited.
		$anvil->Database->get_anvils();
		if (($answer =~ /^\d+$/) && (exists $anvil_selection->[$answer]) && (not exists $anvil->data->{anvils}{anvil_name}{$answer}))
		{
			$answer = $anvil_selection->[$answer];
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
			
			$anvil->data->{target_server}{anvil_name} = $answer;
			$anvil->data->{target_server}{anvil_uuid} = $anvil->Cluster->get_anvil_uuid({anvil_name => $answer});
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::anvil_name" => $anvil->data->{target_server}{anvil_name},
				"target_server::anvil_uuid" => $anvil->data->{target_server}{anvil_uuid},
			}});
			last;
		}
		elsif ((exists $anvil->data->{anvils}{anvil_name}{$answer}) && (ref($anvil->data->{anvils}{anvil_name}{$answer}) eq "HASH"))
		{
			# Valid.
			$anvil->data->{target_server}{anvil_name} = $answer;
			$anvil->data->{target_server}{anvil_uuid} = $anvil->Cluster->get_anvil_uuid({anvil_name => $answer});
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				"target_server::anvil_name" => $anvil->data->{target_server}{anvil_name},
				"target_server::anvil_uuid" => $anvil->data->{target_server}{anvil_uuid},
			}});
			last;
		}
		elsif (lc($answer) eq "q")
		{
			print "NO CARRIER, good bye.\n";
			$anvil->nice_exit({exit_code => 0});
		}
		else
		{
			$retry = 1;
		}
	}

	interactive_question($anvil);
	
	return(0);
}

sub interactive_ask_server_name
{
	my ($anvil, $terminal) = @_;
	
	$anvil->Database->get_servers({debug => 2});
	
	### TODO: Figure out how many rows we have and break the server list into columns if too long.
	###       tput cols
	###       tput rows
	my $retry     = 0;
	my $not_found = "";
	while(1)
	{
		my $default = "";
		if ($anvil->data->{target_server}{server_name})
		{
			$default = $anvil->data->{target_server}{server_name};
		}
		print $terminal->Tputs('cl');
		
		# Show all the current server names.
		if ($retry)
		{
			print $anvil->Words->string({key => "job_0353"})."\n\n";
		}
		my $anvil_uuid = $anvil->data->{target_server}{anvil_uuid};
		print $anvil->Words->string({key => "job_0354", variables => { anvil_name => $anvil->data->{target_server}{anvil_name} }})."\n";
		
		# Push the server names into an array, with '0' being null so the list we show the user 
		# starts at '1'.
		my $server_selection = [];
		push @{$server_selection}, "NULL";
		
		my $server_count        = 0;
		my $longest_server_name = 0;
		foreach my $server_name (sort {$a cmp $b} keys %{$anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}})
		{
			my $server_uuid  = $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$server_name}{server_uuid};
			my $server_state = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_state};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				server_name  => $server_name, 
				server_uuid  => $server_uuid,
				server_state => $server_state, 
			}});
			next if $server_state eq "DELETED";
			
			$server_count++;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { server_count => $server_count }});
			push @{$server_selection}, $server_name;
			
			if (length($server_name) > $longest_server_name)
			{
				$longest_server_name = length($server_name);
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { longest_server_name => $longest_server_name }});
			}
		}
		
		my $number_length = length($server_count + 1);
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { number_length => $number_length }});
		for (my $i = 1; $i < @{$server_selection}; $i++)
		{
			my $server_name = $server_selection->[$i];
			next if $server_name eq "NULL";
			my $server_uuid  = $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$server_name}{server_uuid};
			my $server_state = $anvil->data->{servers}{server_uuid}{$server_uuid}{server_state};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				server_name  => $server_name, 
				server_uuid  => $server_uuid,
				server_state => $server_state, 
			}});
			
			print $anvil->Words->string({key => "message_0256", variables => { 
				number       => sprintf("%-${number_length}s", $i),
				server_name  => sprintf("%-${longest_server_name}s", $server_name),
				server_state => $server_state, 
			}})."\n";
		}
		print "\n";
		print "[ B ] - Back\n";
		print "[ Q ] - Quit\n";
		print "\n";
		
		my $column = 4 + $server_count;
		print $terminal->Tgoto('cm', 0, $column)."? ";
		my $answer = <STDIN>;
		chomp $answer;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
		
		if ((not $answer) && ($default))
		{
			$answer = $default;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
		}
		
		# Reload in case a new anvil! was saved while we waited.
		$anvil->Database->get_servers();
		if ($answer)
		{
			# Found?
			if (($answer =~ /^\d+$/) && (exists $server_selection->[$answer]) && (not exists $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$answer}))
			{
				$answer = $server_selection->[$answer];
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
			}
			if ((exists $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$answer}) && (ref($anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$answer}) eq "HASH"))
			{
				# Valid
				$anvil->data->{target_server}{server_name} = $answer;
				$anvil->data->{target_server}{server_uuid} = $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$answer}{server_uuid};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
					"target_server::server_name" => $anvil->data->{target_server}{server_name},
					"target_server::server_uuid" => $anvil->data->{target_server}{server_uuid},
				}});
				last;
			}
			elsif (lc($answer) eq "b")
			{
				$anvil->data->{target_server}{anvil_name} = "";
				$anvil->data->{target_server}{anvil_uuid} = "";
				$anvil->data->{switches}{anvil}           = "";
				$anvil->data->{switches}{'anvil-name'}    = "";
				$anvil->data->{switches}{'anvil-uuid'}    = "";
				print "Going back\n";
				interactive_ask_anvil_name($anvil, $terminal);
			}
			elsif (lc($answer) eq "q")
			{
				print "NO CARRIER, good bye.\n";
				$anvil->nice_exit({exit_code => 0});
			}
			else
			{
				# Inalid.
				$not_found = $answer;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { not_found => $not_found }});
			}
			last;
		}
		else
		{
			$retry = 1;
		}
	}
	interactive_question($anvil);
	
	return(0);
}

sub show_stats
{
	my ($anvil) = @_;
	
	# Load the server's details.
	my $server_xml      = $anvil->Server->get_definition({server_uuid => $anvil->data->{sys}{server_uuid}});
	my $server_name     = $anvil->data->{sys}{server_name};
	my $short_host_name = $anvil->Get->short_host_name();
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
		's1:short_host_name' => $short_host_name, 
		's2:server_name'     => $server_name, 
		's3:server_xml'      => $server_xml,
	}});
	
	$anvil->Server->parse_definition({
		debug      => 2,
		source     => "from_db",
		definition => $server_xml, 
		server     => $server_name,
	});
	
	my $cpu_cores = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{cpu}{total_cores};
	my $ram_bytes = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{memory};
	my $say_ram   = $anvil->Convert->bytes_to_human_readable({'bytes' => $ram_bytes});
	print "Cores: [".$cpu_cores."], RAM: [".$say_ram."] (".$ram_bytes." bytes)\n";
	
	# Show disks
	foreach my $device ("disk", "cdrom")
	{
		print "- Device: [".$device."]\n";
		foreach my $device_target (sort {$a cmp $b} keys %{$anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{$device}{target}})
		{
			my $boot_order = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{$device}{target}{$device_target}{boot_order};
			my $type       = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{$device}{target}{$device_target}{type};
			my $device_bus = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{$device}{target}{$device_target}{device_bus};
			my $path       = $anvil->data->{server}{$short_host_name}{$server_name}{from_db}{device}{$device}{target}{$device_target}{path};
			print " - Target: [".$device_target."], type: [".$type."], boot order: [".$boot_order."], bus: [".$device_bus."]\n";
			print "  - Path: [".$path."]\n";
			if ($device eq "disk")
			{
				# Pull the size
				my $volume = ($path =~ /\/(\d+)$/)[0];
				print "  - Volume: [".$volume."]\n";
				foreach my $host_name (sort {$a cmp $b} keys %{$anvil->data->{new}{resource}{$server_name}{host}})
				{
					my $host_uuid    = $anvil->Get->host_uuid_from_name({host_name => $host_name});
					my $device_path  = $anvil->data->{new}{resource}{$server_name}{host}{$host_name}{volume}{$volume}{device_path};
					my $backing_disk = $anvil->data->{new}{resource}{$server_name}{host}{$host_name}{volume}{$volume}{backing_disk};
					print "   - Host: [".$host_name."] (".$host_uuid."), path: [".$device_path."], backing disk: [".$backing_disk."]\n";
				}
			}
			else
			{
			}
		}
	}
	
	return(0);
}