Provider plugins can provide arbitrary options

lib/vagrant/environment.rb

@@ -287,11 +287,15 @@ module Vagrant
         raise Errors::MachineNotFound, :name => name, :provider => provider
       end
 
-      provider_cls = Vagrant.plugin("2").manager.providers[provider]
-      if !provider_cls
+      provider_plugin  = Vagrant.plugin("2").manager.providers[provider]
+      if !provider_plugin
         raise Errors::ProviderNotFound, :machine => name, :provider => provider
       end
 
+      # Extra the provider class and options from the plugin data
+      provider_cls     = provider_plugin[0]
+      provider_options = provider_plugin[1]
+
       # Build the machine configuration. This requires two passes: The first pass
       # loads in the machine sub-configuration. Since this can potentially
       # define a new box to base the machine from, we then make a second pass
@@ -356,7 +360,7 @@ module Vagrant
       # Create the machine and cache it for future calls. This will also
       # return the machine from this method.
       @machines[cache_key] = Machine.new(name, provider, provider_cls, provider_config,
-                                         config, machine_data_path, box, self)
+                                         provider_options, config, machine_data_path, box, self)
     end
 
     # This returns a list of the configured machines for this environment.

lib/vagrant/machine.rb

@@ -52,6 +52,11 @@ module Vagrant
     # @return [Symbol]
     attr_reader :provider_name
 
+    # The options given to the provider when registering the plugin.
+    #
+    # @return [Hash]
+    attr_reader :provider_options
+
     # Initialize a new machine.
     #
     # @param [String] name Name of the virtual machine.
@@ -59,13 +64,15 @@ module Vagrant
     #   currently expected to be a V1 `provider` plugin.
     # @param [Object] provider_config The provider-specific configuration for
     #   this machine.
+    # @param [Hash] provider_options The provider-specific options from the
+    #   plugin definition.
     # @param [Object] config The configuration for this machine.
     # @param [Pathname] data_dir The directory where machine-specific data
     #   can be stored. This directory is ensured to exist.
     # @param [Box] box The box that is backing this virtual machine.
     # @param [Environment] env The environment that this machine is a
     #   part of.
-    def initialize(name, provider_name, provider_cls, provider_config, config, data_dir, box, env, base=false)
+    def initialize(name, provider_name, provider_cls, provider_config, provider_options, config, data_dir, box, env, base=false)
       @logger = Log4r::Logger.new("vagrant::machine")
       @logger.info("Initializing machine: #{name}")
       @logger.info("  - Provider: #{provider_cls}")
@@ -79,6 +86,7 @@ module Vagrant
       @name            = name
       @provider_config = provider_config
       @provider_name   = provider_name
+      @provider_options = provider_options
 
       # Read the ID, which is usually in local storage
       @id = nil

lib/vagrant/plugin/v2/components.rb

@@ -16,12 +16,18 @@ module Vagrant
         # @return [Hash<Symbol, Registry>]
         attr_reader :configs
 
+        # This contains all the provider plugins by name, and returns
+        # the provider class and options.
+        #
+        # @return [Hash<Symbol, Registry>]
+        attr_reader :providers
+
         def initialize
           # The action hooks hash defaults to []
           @action_hooks = Hash.new { |h, k| h[k] = [] }
 
-          # Create the configs hash which defaults to a registry
           @configs = Hash.new { |h, k| h[k] = Registry.new }
+          @providers = Registry.new
         end
       end
     end

lib/vagrant/plugin/v2/manager.rb

@@ -89,7 +89,7 @@ module Vagrant
         def providers
           Registry.new.tap do |result|
             @registered.each do |plugin|
-              result.merge!(plugin.provider)
+              result.merge!(plugin.components.providers)
             end
           end
         end

lib/vagrant/plugin/v2/plugin.rb

@@ -162,14 +162,12 @@ module Vagrant
         # Registers additional providers to be available.
         #
         # @param [Symbol] name Name of the provider.
-        def self.provider(name=UNSET_VALUE, &block)
-          data[:providers] ||= Registry.new
+        def self.provider(name=UNSET_VALUE, options=nil, &block)
+          components.providers.register(name.to_sym) do
+            [block.call, options || {}]
+          end
 
-          # Register a new provider class only if a name was given
-          data[:providers].register(name.to_sym, &block) if name != UNSET_VALUE
-
-          # Return the registry
-          data[:providers]
+          nil
         end
 
         # Registers additional provisioners to be available.

test/unit/vagrant/machine_test.rb

@@ -14,6 +14,7 @@ describe Vagrant::Machine do
   end
   let(:provider_config) { Object.new }
   let(:provider_name) { :test }
+  let(:provider_options) { {} }
   let(:box)      { Object.new }
   let(:config)   { env.config_global }
   let(:data_dir) { Pathname.new(Tempdir.new.path) }
@@ -30,10 +31,12 @@ describe Vagrant::Machine do
 
   let(:instance) { new_instance }
 
+  subject { instance }
+
   # Returns a new instance with the test data
   def new_instance
     described_class.new(name, provider_name, provider_cls, provider_config,
-                        config, data_dir, box, env)
+                        provider_options, config, data_dir, box, env)
   end
 
   describe "initialization" do
@@ -63,7 +66,7 @@ describe Vagrant::Machine do
         # Initialize a new machine and verify that we properly receive
         # the machine we expect.
         instance = described_class.new(name, provider_name, provider_cls, provider_config,
-                                       config, data_dir, box, env)
+                                       provider_options, config, data_dir, box, env)
         received_machine.should eql(instance)
       end
 
@@ -117,25 +120,13 @@ describe Vagrant::Machine do
   end
 
   describe "attributes" do
-    it "should provide access to the name" do
-      instance.name.should == name
-    end
-
-    it "should provide access to the configuration" do
-      instance.config.should eql(config)
-    end
-
-    it "should provide access to the box" do
-      instance.box.should eql(box)
-    end
-
-    it "should provide access to the environment" do
-      instance.env.should eql(env)
-    end
-
-    it "should provide access to the provider" do
-      instance.provider.should eql(provider)
-    end
+    its(:name)             { should eq(name) }
+    its(:config)           { should eql(config) }
+    its(:box)              { should eql(box) }
+    its(:env)              { should eql(env) }
+    its(:provider)         { should eql(provider) }
+    its(:provider_config)  { should eql(provider_config) }
+    its(:provider_options) { should eq(provider_options) }
   end
 
   describe "actions" do

test/unit/vagrant/plugin/v2/manager_test.rb

@@ -126,15 +126,15 @@ describe Vagrant::Plugin::V2::Manager do
     end
 
     pB = plugin do |p|
-      p.provider("bar") { "baz" }
+      p.provider("bar", foo: "bar") { "baz" }
     end
 
     instance.register(pA)
     instance.register(pB)
 
     instance.providers.to_hash.length.should == 2
-    instance.providers[:foo].should == "bar"
-    instance.providers[:bar].should == "baz"
+    instance.providers[:foo].should == ["bar", {}]
+    instance.providers[:bar].should == ["baz", { foo: "bar" }]
   end
 
   it "provides the collection of registered provider configs" do

test/unit/vagrant/plugin/v2/plugin_test.rb

@@ -210,7 +210,15 @@ describe Vagrant::Plugin::V2::Plugin do
         provider("foo") { "bar" }
       end
 
-      plugin.provider[:foo].should == "bar"
+      plugin.components.providers[:foo].should == ["bar", {}]
+    end
+
+    it "should register provider classes with options" do
+      plugin = Class.new(described_class) do
+        provider("foo", foo: "yep") { "bar" }
+      end
+
+      plugin.components.providers[:foo].should == ["bar", { foo: "yep" }]
     end
 
     it "should lazily register provider classes" do
@@ -227,7 +235,7 @@ describe Vagrant::Plugin::V2::Plugin do
       # Now verify when we actually get the configuration key that
       # a proper error is raised.
       expect {
-        plugin.provider[:foo]
+        plugin.components.providers[:foo]
       }.to raise_error(StandardError)
     end
   end