Allow to start an instance that was stopped

Author: ColinHebert

lib/vagrant-ec2/actions.rb

@@ -3,6 +3,7 @@
 require_relative 'actions/check_state'
 require_relative 'actions/wait_for_state'
 require_relative 'actions/run_instance'
+require_relative 'actions/start_instance'
 
 module VagrantPlugins
   module Ec2
@@ -17,13 +18,34 @@ def self.read_state
         end
       end
 
+      def self.resume
+        return Vagrant::Action::Builder.new.tap do |builder|
+          builder.use ConfigValidate
+          builder.use ConnectAWS
+          builder.use Call, CheckState do |env, b|
+            if env[:machine_state] == :stopped || env[:machine_state] == :stopping
+              b.use WaitForState, :stopped if env[:machine_state] == :stopping
+              b.use StartInstance
+              b.use WaitForState, :running
+            elsif env[:machine_state] == :running
+              raise env[:machine_state]
+            else
+              raise "The instance #{env[:machine].id} is #{env[:machine_state]} this is unexpected"
+            end
+          end
+        end
+      end
+
       def self.up
         return Vagrant::Action::Builder.new.tap do |builder|
           builder.use ConfigValidate
           builder.use ConnectAWS
           builder.use Call, CheckState do |env, b|
             if env[:machine_state] == :not_created
               b.use RunInstance
+            elsif env[:machine_state] == :stopped || env[:machine_state] == :stopping
+              b.use WaitForState, :stopped if env[:machine_state] == :stopping
+              b.use StartInstance
             else
               if env[:machine_state] == :running
                 raise env[:machine_state]

lib/vagrant-ec2/actions/start_instance.rb

@@ -0,0 +1,22 @@
+require 'aws-sdk'
+
+module VagrantPlugins
+  module Ec2
+    module Actions
+      class StartInstance
+        def initialize(app, env)
+          @app = app
+        end
+
+        def call(env)
+          ec2 = Aws::EC2::Resource.new(env[:connection_options])
+
+          instance = ec2.instance(env[:machine].id)
+          instance.start
+
+          @app.call(env)
+        end
+      end
+    end
+  end
+end