From 980841b6c005e4666e6e8cae97cb63a7a4026a0c Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Mon, 15 Jul 2013 15:56:28 +0900
Subject: [PATCH] builder/amazon/instance: boilerplate

---
 builder/amazon/instance/builder.go      | 37 +++++++++++++++++++++++++
 builder/amazon/instance/builder_test.go | 15 ++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 builder/amazon/instance/builder.go
 create mode 100644 builder/amazon/instance/builder_test.go

diff --git a/builder/amazon/instance/builder.go b/builder/amazon/instance/builder.go
new file mode 100644
index 000000000..ae717ef4e
--- /dev/null
+++ b/builder/amazon/instance/builder.go
@@ -0,0 +1,37 @@
+// The instance package contains a packer.Builder implementation that builds
+// AMIs for Amazon EC2 backed by instance storage, as opposed to EBS storage.
+package instance
+
+import (
+	"github.com/mitchellh/multistep"
+	"github.com/mitchellh/packer/packer"
+	"log"
+)
+
+// The unique ID for this builder
+const BuilderId = "mitchellh.amazon.instance"
+
+// Config is the configuration that is chained through the steps and
+// settable from the template.
+type Config struct {
+}
+
+type Builder struct {
+	config Config
+	runner multistep.Runner
+}
+
+func (b *Builder) Prepare(raws ...interface{}) error {
+	return nil
+}
+
+func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
+	return nil, nil
+}
+
+func (b *Builder) Cancel() {
+	if b.runner != nil {
+		log.Println("Cancelling the step runner...")
+		b.runner.Cancel()
+	}
+}
diff --git a/builder/amazon/instance/builder_test.go b/builder/amazon/instance/builder_test.go
new file mode 100644
index 000000000..ac214051f
--- /dev/null
+++ b/builder/amazon/instance/builder_test.go
@@ -0,0 +1,15 @@
+package instance
+
+import (
+	"github.com/mitchellh/packer/packer"
+	"testing"
+)
+
+func TestBuilder_ImplementsBuilder(t *testing.T) {
+	var raw interface{}
+	raw = &Builder{}
+	if _, ok := raw.(packer.Builder); !ok {
+		t.Fatalf("Builder should be a builder")
+	}
+}
+