+our (%vm);
+
+sub runvm {
+ my ($name) = @_;
+ return unless $ENV{GRUNTMASTER_VM};
+ mkfifo "$name.in", 0600;
+ mkfifo "$name.out", 0600;
+ get_logger->trace("Starting VM $name");
+ $vm{$name} = Expect::Simple->new({
+ Cmd => "$ENV{GRUNTMASTER_VM} $name",
+ Prompt => '# ',
+ DisconnectCmd => 'exit',
+ RawPty => 1,
+ Timeout => 10,
+ });
+}
+
+sub stopvms { %vm = () }
+
+sub execlist {
+ my ($vm, @args) = @_;
+ my $er = "exec-result-$vm";
+ if ($vm{$vm}) {
+ my $cmd = ">$er " . shell_quote 'gruntmaster-exec', @args;
+ get_logger->trace("Running in VM $vm: $cmd");
+ $vm{$vm}->send($cmd);
+ } else {
+ my $ret = fork // die "Cannot fork\n";
+ if ($ret) {
+ waitpid $ret, 0;
+ } else {
+ open STDOUT, '>', $er or die "Cannot open $er\n";
+ get_logger->trace("Running: gruntmaster-exec @args");
+ exec 'gruntmaster-exec', @args;
+ }
+ }
+
+ die "gruntmaster-exec died\n" if -z $er;
+ my ($excode, $exmsg) = read_file $er;
+ unlink $er;
+ chomp ($excode, $exmsg); ## no critic (ProhibitParensWithBuiltins)
+ get_logger->trace("Exec result: $excode $exmsg");
+ die [$excode, $exmsg] if $excode > 0; ## no critic (RequireCarping)
+}
+