support action::namespace for netdisco-do

lib/App/Netdisco/Backend/Job.pm

@@ -14,6 +14,7 @@ foreach my $slot (qw/
       device
       port
       action
+      only_namespace
       subaction
       status
       username
@@ -36,6 +37,15 @@ has '_statuslist' => (
   default => sub { [] },
 );
 
+sub BUILD {
+  my ($job, $args) = @_;
+
+  if ($job->action =~ m/^(\w+)::(\w+)$/i) {
+    $job->action($1);
+    $job->only_namespace($2);
+  }
+}
+
 =head1 METHODS
 
 =head2 summary

lib/App/Netdisco/Worker/Plugin.pm

@@ -36,6 +36,13 @@ register 'register_worker' => sub {
     # check to see if this namespace has already passed at higher priority
     return if $job->namespace_passed($workerconf);
 
+    # support part-actions via action::namespace
+    if ($job->only_namespace and $workerconf->{phase} ne 'check') {
+      return unless $workerconf->{namespace} eq lc( $job->only_namespace )
+        or (($workerconf->{phase} eq 'early')
+             and ($job->device and not $job->device->in_storage));
+    }
+
     my @newuserconf = ();
     my @userconf = @{ setting('device_auth') || [] };