BUG: naive attempt at fixing #2970.

plugins/provisioners/salt/config.rb

@@ -19,6 +19,7 @@ class Config < Vagrant.plugin("2", :config)
       attr_accessor :bootstrap_script
       attr_accessor :verbose
       attr_accessor :seed_master
+      attr_accessor :config_dir
       attr_reader   :pillar_data
       attr_accessor :colorize
       attr_accessor :log_level
@@ -56,6 +57,7 @@ def initialize
         @install_syndic = UNSET_VALUE
         @no_minion = UNSET_VALUE
         @bootstrap_options = UNSET_VALUE
+        @config_dir = UNSET_VALUE
       end
 
       def finalize!
@@ -82,6 +84,7 @@ def finalize!
         @install_syndic     = nil if @install_syndic == UNSET_VALUE
         @no_minion          = nil if @no_minion == UNSET_VALUE
         @bootstrap_options  = nil if @bootstrap_options == UNSET_VALUE
+        @config_dir         = nil if @config_dir == UNSET_VALUE
 
       end
 
@@ -90,6 +93,21 @@ def pillar(data)
         @pillar_data = Vagrant::Util::DeepMerge.deep_merge(@pillar_data, data)
       end
 
+      def default_config_dir(machine)
+        guest_type = machine.config.vm.guest
+        if guest_type == nil
+          guest_type = :linux
+        end
+
+        # FIXME: there should be a way to do that a bit smarter
+        if guest_type == :windows
+          return "C:\\salt"
+        else
+          return "/etc/salt"
+        end
+
+      end
+
       def validate(machine)
         errors = _detected_errors
         if @minion_config
@@ -129,6 +147,10 @@ def validate(machine)
           errors << I18n.t("vagrant.provisioners.salt.must_accept_keys")
         end
 
+        if @config_dir == nil
+          @config_dir = default_config_dir(machine)
+        end
+
         return {"salt provisioner" => errors}
       end
 

plugins/provisioners/salt/provisioner.rb

@@ -305,6 +305,11 @@ def call_overstate
       end
 
       def call_highstate
+        if @config.minion_config
+          @machine.env.ui.info "Copying salt minion config to #{@config.config dir}"
+          @machine.communicate.upload(expanded_path(@config.minion_config).to_s, @config.config_dir + "/minion")
+        end
+
         if @config.run_highstate
           @machine.env.ui.info "Calling state.highstate... (this may take a while)"
           if @config.install_master