From b0f9eb5c139aa8983584a55058e05d38ee1a5847 Mon Sep 17 00:00:00 2001
From: James Nugent <james@jen20.com>
Date: Wed, 20 Jan 2016 09:58:20 -0500
Subject: [PATCH] provider/template: Allow update in
 `template_cloudinit_config`

---
 .../template/resource_cloudinit_config.go     |  2 +-
 .../resource_cloudinit_config_test.go         | 46 +++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/builtin/providers/template/resource_cloudinit_config.go b/builtin/providers/template/resource_cloudinit_config.go
index 0082dde62..78efcecf4 100644
--- a/builtin/providers/template/resource_cloudinit_config.go
+++ b/builtin/providers/template/resource_cloudinit_config.go
@@ -19,6 +19,7 @@ func resourceCloudinitConfig() *schema.Resource {
 	return &schema.Resource{
 		Create: resourceCloudinitConfigCreate,
 		Delete: resourceCloudinitConfigDelete,
+		Update: resourceCloudinitConfigCreate,
 		Exists: resourceCloudinitConfigExists,
 		Read:   resourceCloudinitConfigRead,
 
@@ -26,7 +27,6 @@ func resourceCloudinitConfig() *schema.Resource {
 			"part": &schema.Schema{
 				Type:     schema.TypeList,
 				Required: true,
-				ForceNew: true,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"content_type": &schema.Schema{
diff --git a/builtin/providers/template/resource_cloudinit_config_test.go b/builtin/providers/template/resource_cloudinit_config_test.go
index afaac1971..41cd23214 100644
--- a/builtin/providers/template/resource_cloudinit_config_test.go
+++ b/builtin/providers/template/resource_cloudinit_config_test.go
@@ -85,3 +85,49 @@ func TestRender(t *testing.T) {
 		})
 	}
 }
+
+func TestCloudConfig_update(t *testing.T) {
+	r.Test(t, r.TestCase{
+		Providers: testProviders,
+		Steps: []r.TestStep{
+			r.TestStep{
+				Config: testCloudInitConfig_basic,
+				Check: r.ComposeTestCheckFunc(
+					r.TestCheckResourceAttr("template_cloudinit_config.config", "rendered", testCloudInitConfig_basic_expected),
+				),
+			},
+
+			r.TestStep{
+				Config: testCloudInitConfig_update,
+				Check: r.ComposeTestCheckFunc(
+					r.TestCheckResourceAttr("template_cloudinit_config.config", "rendered", testCloudInitConfig_update_expected),
+				),
+			},
+		},
+	})
+}
+
+var testCloudInitConfig_basic = `
+resource "template_cloudinit_config" "config" {
+  part {
+    content_type = "text/x-shellscript"
+    content      = "baz"
+  }
+}`
+
+var testCloudInitConfig_basic_expected = `Content-Type: multipart/mixed; boundary=\"MIMEBOUNDRY\"\nMIME-Version: 1.0\r\n--MIMEBOUNDRY\r\nContent-Transfer-Encoding: 7bit\r\nContent-Type: text/x-shellscript\r\nMime-Version: 1.0\r\n\r\nbaz\r\n--MIMEBOUNDRY--\r\n`
+
+var testCloudInitConfig_update = `
+resource "template_cloudinit_config" "config" {
+  part {
+    content_type = "text/x-shellscript"
+    content      = "baz"
+  }
+
+  part {
+    content_type = "text/x-shellscript"
+    content      = "ffbaz"
+  }
+}`
+
+var testCloudInitConfig_update_expected = `Content-Type: multipart/mixed; boundary=\"MIMEBOUNDRY\"\nMIME-Version: 1.0\r\n--MIMEBOUNDRY\r\nContent-Transfer-Encoding: 7bit\r\nContent-Type: text/x-shellscript\r\nMime-Version: 1.0\r\n\r\nbaz\r\n--MIMEBOUNDRY\r\nContent-Transfer-Encoding: 7bit\r\nContent-Type: text/x-shellscript\r\nMime-Version: 1.0\r\n\r\nffbaz\r\n--MIMEBOUNDRY--\r\n`