anvil/tools/anvil-get-server-screenshot

#!/usr/bin/perl
#
#
#

use strict;
use warnings;
use Anvil::Tools;

$| = 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->Get->switches;

$anvil->Database->connect;
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, secure => 0, 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_0003"});
	$anvil->nice_exit({exit_code => 1});
}

sub system_call
{
	my $parameters = shift;
	my $shell_call = $parameters->{shell_call};

	my ($shell_output, $shell_return_code) = $anvil->System->call({ shell_call => $shell_call });
	$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
		shell_call        => $shell_call,
		shell_output      => $shell_output,
		shell_return_code => $shell_return_code
	} });

	return ($shell_output, $shell_return_code);
}

sub get_server_screenshot
{
	my $parameters  = shift;
	my $server_uuid = $parameters->{server_uuid};

	my $shell_call = "virsh screenshot --domain ".$server_uuid." --file /dev/stdout | sed 's/Screenshot.*//' | base64";
	my ($shell_output, $shell_return_code) = system_call({ shell_call => $shell_call });

	return $shell_return_code == 0 ? $shell_output : undef;
}

sub insert_server_screenshot
{
	my $parameters    = shift;
	my $server_uuid   = $parameters->{server_uuid};
	my $encoded_image = $parameters->{encoded_image};

	$anvil->Database->insert_or_update_variables({
		variable_name  => "server_screenshot::".$server_uuid,
		variable_value => $encoded_image
	});
}

my $server_uuid   = $anvil->data->{switches}{'server-uuid'};
my $is_stdout     = $anvil->data->{switches}{'stdout'};

if ($server_uuid)
{
	my $encoded_image = get_server_screenshot({ server_uuid => $server_uuid });

	if ($is_stdout)
	{
		print($encoded_image);
	}
	else
	{
		insert_server_screenshot({
			server_uuid   => $server_uuid,
			encoded_image => $encoded_image
		});
	}
}