use new logfunc callback for run_command

PVE/VZDump.pm

@@ -65,25 +65,12 @@ sub debugmsg {
 sub run_command {
     my ($logfd, $cmdstr, %param) = @_;
 
-    my $returnstdout = $param{returnstdout};
-    delete $param{returnstdout};
-
-    my $ostream = 0;
-
-    my $outfunc = sub {
+    my $logfunc = sub {
 	my $line = shift;
-	$ostream .= "$line\n" if $returnstdout;
 	debugmsg ('info', $line, $logfd);
     };
 
-    my $errfunc = sub {
-	my $line = shift;
-	debugmsg ('info', $line, $logfd);
-    };
-
-    PVE::Tools::run_command($cmdstr, %param, outfunc => $outfunc, errfunc => $errfunc);
-
-    return $returnstdout ? $ostream : undef;
+    PVE::Tools::run_command($cmdstr, %param, logfunc => $logfunc);
 }
 
 sub storage_info {

PVE/VZDump/OpenVZ.pm

@@ -92,7 +92,8 @@ sub type {
 sub vm_status {
     my ($self, $vmid) = @_;
 
-    my $status_text = $self->cmd ("vzctl status $vmid", returnstdout => 1);
+    my $status_text = '';
+    $self->cmd ("vzctl status $vmid", outfunc => sub {$status_text .= shift; });
     chomp $status_text;
 
     my $running = $status_text =~ m/running/ ? 1 : 0;