my ( $self, $opt, $arg ) = @_;
# my $edescriber = EnsCloud::Describer->new( region_alias => $self->region_alias );
my $cache = CHI->new(
driver => 'File',
root_dir => $ENV{HOME} . '/' . '/ec2cache/' . $self->region_alias,
);
my $name = 'useast_instances';
my $instance_table = $cache->get($name);
$DB::single = 1;
if ( !defined $instance_table || $self->refresh ) {
#} $instance_table = $edescriber->list_instances;
$instance_table = $self->list_instances;
$cache->set( $name, $instance_table, "10 minutes" );
}