[%
# vi: ft=tt2

# Returns the NGCP version of the node calling this function.
#
# @return out           The NGCP version (e.g. 'mr4.5.3' or 'trunk').
-%]
[% PERL -%]
  my $filename = '/etc/ngcp_upgrade_version';
  unless (-e $filename) {
    $filename = '/etc/ngcp_version';
  }
  open my $hh, '<', $filename or die "Error opening $filename";
  my $ngcp_version = <$hh>;
  close $hh;
  chomp $ngcp_version;
  die "Fatal error retrieving ngcp_version [$ngcp_version]" unless length $ngcp_version;

  $stash->set(out => $ngcp_version);
  return;
[% END -%]