Properly set and validate before/after keys for base provisioner class

plugins/kernel_v2/config/vm.rb

@@ -331,7 +331,14 @@ module VagrantPlugins
         end
 
         if !prov
-          prov = VagrantConfigProvisioner.new(name, type.to_sym)
+          if options.key?(:before)
+            before = options.delete(:before)
+          end
+          if options.key?(:after)
+            after = options.delete(:after)
+          end
+
+          prov = VagrantConfigProvisioner.new(name, type.to_sym, before, after)
           @provisioners << prov
         end
 
@@ -760,12 +767,10 @@ module VagrantPlugins
             next
           end
 
-          require 'pry'
-          binding.pry
-          #provisioner_errors = vm_provisioner.validate(machine)
-          #if provisioner_errors
-          #  errors = Vagrant::Config::V2::Util.merge_errors(errors, provisioner_errors)
-          #end
+          provisioner_errors = vm_provisioner.validate(machine)
+          if provisioner_errors
+            errors = Vagrant::Config::V2::Util.merge_errors(errors, provisioner_errors)
+          end
 
           if vm_provisioner.config
             provisioner_errors = vm_provisioner.config.validate(machine)

plugins/kernel_v2/config/vm_provisioner.rb

@@ -105,23 +105,27 @@ module VagrantPlugins
         @config.finalize!
       end
 
-      # TODO: This isn't being called
-      #
       # @return [Array] array of strings of error messages from config option validation
       def validate(machine)
         errors = _detected_errors
 
         if @before
           if @before.is_a?(Symbol) && !VALID_BEFORE_AFTER_TYPES.include?(@before)
-            errors << "Before symbol is not a valid symbol"
+            errors << I18n.t("vagrant.provisioners.base.invalid_alias_value", opt: "before", alias: VALID_BEFORE_AFTER_TYPES.join(", "))
+          elsif !@before.is_a?(String) && !VALID_BEFORE_AFTER_TYPES.include?(@before)
+            errors << I18n.t("vagrant.provisioners.base.wrong_type", opt: "before")
           end
         end
 
         if @after
           if @after.is_a?(Symbol) && !VALID_BEFORE_AFTER_TYPES.include?(@after)
-            errors << "After symbol is not a valid symbol"
+            errors << I18n.t("vagrant.provisioners.base.invalid_alias_value", opt: "after", alias: VALID_BEFORE_AFTER_TYPES.join(", "))
+          elsif !@after.is_a?(String) && !VALID_BEFORE_AFTER_TYPES.include?(@after)
+            errors << I18n.t("vagrant.provisioners.base.wrong_type", opt: "after")
           end
         end
+
+        {"provisioner" => errors}
       end
 
       # Returns whether the provisioner used was invalid or not. A provisioner

templates/locales/en.yml

@@ -2486,6 +2486,11 @@ en:
           VirtualBox has successfully been installed!
 
     provisioners:
+      base:
+        invalid_alias_value: |-
+          Provisioner option `%{opt}` is not set as a valid type. Must be a string, or one of the alias shortcuts: %{alias}
+        wrong_type: |-
+          Provisioner option `%{opt}` is not set as a valid type. Must be a string.
       chef:
         chef_not_detected: |-
           The chef binary (either `chef-solo` or `chef-client`) was not found on