support action::namespace for netdisco-do

bin/netdisco-do

@@ -109,7 +109,7 @@ my $exitstatus = 0;
 
 foreach my $host (@hostlist) {
     my $dev = $host ? get_device($host->addr) : undef;
-    if ($dev and not (blessed $dev and $dev->in_storage) and $action ne 'discover') {
+    if ($dev and not (blessed $dev and $dev->in_storage) and $action !~ m/^discover/) {
         info sprintf "%s: error - Don't know device: %s", $action, $host->addr;
         next;
     }
@@ -139,7 +139,7 @@ foreach my $host (@hostlist) {
         $job->log("error running job: $_");
     };
 
-    if ($job->log eq 'failed to report from any worker!') {
+    if ($job->log eq 'failed to report from any worker!' and not $job->only_namespace) {
       pod2usage(
         -msg => (sprintf 'error: %s is not a valid action', $action),
         -verbose => 2,