From d42c75315c436156ef8e113735a8e77ee10b4822 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Mon, 25 Aug 2014 15:10:30 -0700
Subject: [PATCH] providers/google: support tags on compute_instance

---
 resource_compute_instance.go      | 25 ++++++++++++++++++++++---
 resource_compute_instance_test.go | 18 ++++++++++++++++++
 2 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/resource_compute_instance.go b/resource_compute_instance.go
index 7a14ba44..b8c762ee 100644
--- a/resource_compute_instance.go
+++ b/resource_compute_instance.go
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"code.google.com/p/google-api-go-client/compute/v1"
+	"github.com/hashicorp/terraform/helper/hashcode"
 	"github.com/hashicorp/terraform/helper/schema"
 )
 
@@ -67,6 +68,15 @@ func resourceComputeInstance() *schema.Resource {
 					},
 				},
 			},
+
+			"tags": &schema.Schema{
+				Type:     schema.TypeSet,
+				Optional: true,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+				Set: func(v interface{}) int {
+					return hashcode.String(v.(string))
+				},
+			},
 		},
 	}
 }
@@ -145,6 +155,17 @@ func resourceComputeInstanceCreate(d *schema.ResourceData, meta interface{}) err
 		networks = append(networks, &iface)
 	}
 
+	// Calculate the tags
+	var tags *compute.Tags
+	if v := d.Get("tags"); v != nil {
+		vs := v.(*schema.Set).List()
+		tags = new(compute.Tags)
+		tags.Items = make([]string, len(vs))
+		for i, v := range v.(*schema.Set).List() {
+			tags.Items[i] = v.(string)
+		}
+	}
+
 	// Create the instance information
 	instance := compute.Instance{
 		Description: d.Get("description").(string),
@@ -157,6 +178,7 @@ func resourceComputeInstanceCreate(d *schema.ResourceData, meta interface{}) err
 		*/
 		Name:              d.Get("name").(string),
 		NetworkInterfaces: networks,
+		Tags:              tags,
 		/*
 			ServiceAccounts: []*compute.ServiceAccount{
 				&compute.ServiceAccount{
@@ -168,9 +190,6 @@ func resourceComputeInstanceCreate(d *schema.ResourceData, meta interface{}) err
 					},
 				},
 			},
-			Tags: &compute.Tags{
-				Items: c.Tags,
-			},
 		*/
 	}
 
diff --git a/resource_compute_instance_test.go b/resource_compute_instance_test.go
index 1f0d2bd3..a616bfb5 100644
--- a/resource_compute_instance_test.go
+++ b/resource_compute_instance_test.go
@@ -22,6 +22,7 @@ func TestAccComputeInstance_basic(t *testing.T) {
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckComputeInstanceExists(
 						"google_compute_instance.foobar", &instance),
+					testAccCheckComputeInstanceTag(instance, "foo"),
 				),
 			},
 		},
@@ -75,11 +76,28 @@ func testAccCheckComputeInstanceExists(n string, instance *compute.Instance) res
 	}
 }
 
+func testAccCheckComputeInstanceExists(instance *compute.Instance, n string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		if instance.Tags == nil {
+			return fmt.Errorf("no tags")
+		}
+
+		for _, k := range instance.Tags.Items {
+			if k == n {
+				return nil
+			}
+		}
+
+		return fmt.Errorf("tag not found: %s", n)
+	}
+}
+
 const testAccComputeInstance_basic = `
 resource "google_compute_instance" "foobar" {
 	name = "terraform-test"
 	machine_type = "n1-standard-1"
 	zone = "us-central1-a"
+	tags = ["foo", "bar"]
 
 	disk {
 		source = "debian-7-wheezy-v20140814"