Add options for failing resource check on command line

Author: cthorn42

lib/puppet/application/resource.rb

@@ -15,6 +15,7 @@ def preinit
   option("--verbose", "-v")
   option("--edit", "-e")
   option("--to_yaml", "-y")
+  option('--fail-when-not-found', '-f')
 
   option("--types", "-t") do |_arg|
     env = Puppet.lookup(:environments).get(Puppet[:environment]) || create_default_environment
@@ -109,6 +110,9 @@ def help
         Output found resources in yaml format, suitable to use with Hiera and
         create_resources.
 
+      * --fail-when-not-found:
+        Fails and returns an exit code of 1 if the resource is not found.
+
       EXAMPLE
       -------
       This example uses `puppet resource` to return a Puppet configuration for
@@ -238,7 +242,7 @@ def find_or_save_resources(type, name, params)
           # save returns [resource that was saved, transaction log from applying the resource]
           save_result, report = Puppet::Resource.indirection.save(resource, key)
           status = report.resource_statuses[resource.ref]
-          raise "Failed to manage resource #{resource.ref}" if status&.failed?
+          raise "Failed to manage resource #{resource.ref}" if status&.failed? && !options[:fail_when_not_found].nil? && options[:fail_when_not_found]
 
           [save_result]
         end