provider/aws: Add tags to Route53 hosted zones

builtin/providers/aws/resource_aws_route53_zone.go

@@ -16,6 +16,7 @@ func resourceAwsRoute53Zone() *schema.Resource {
 	return &schema.Resource{
 		Create: resourceAwsRoute53ZoneCreate,
 		Read:   resourceAwsRoute53ZoneRead,
+		Update: resourceAwsRoute53ZoneUpdate,
 		Delete: resourceAwsRoute53ZoneDelete,
 
 		Schema: map[string]*schema.Schema{
@@ -29,6 +30,8 @@ func resourceAwsRoute53Zone() *schema.Resource {
 				Type:     schema.TypeString,
 				Computed: true,
 			},
+
+			"tags": tagsSchema(),
 		},
 	}
 }
@@ -72,7 +75,7 @@ func resourceAwsRoute53ZoneCreate(d *schema.ResourceData, meta interface{}) erro
 	if err != nil {
 		return err
 	}
-	return nil
+	return resourceAwsRoute53ZoneUpdate(d, meta)
 }
 
 func resourceAwsRoute53ZoneRead(d *schema.ResourceData, meta interface{}) error {
@@ -87,9 +90,38 @@ func resourceAwsRoute53ZoneRead(d *schema.ResourceData, meta interface{}) error
 		return err
 	}
 
+	// get tags
+	req := &route53.ListTagsForResourceRequest{
+		ResourceID:   aws.String(d.Id()),
+		ResourceType: aws.String("hostedzone"),
+	}
+
+	resp, err := r53.ListTagsForResource(req)
+	if err != nil {
+		return err
+	}
+
+	var tags []route53.Tag
+	if resp.ResourceTagSet != nil {
+		tags = resp.ResourceTagSet.Tags
+	}
+	d.Set("tags", tagsToMapR53(tags))
+
 	return nil
 }
 
+func resourceAwsRoute53ZoneUpdate(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).r53conn
+
+	if err := setTagsR53(conn, d); err != nil {
+		return err
+	} else {
+		d.SetPartial("tags")
+	}
+
+	return resourceAwsRoute53ZoneRead(d, meta)
+}
+
 func resourceAwsRoute53ZoneDelete(d *schema.ResourceData, meta interface{}) error {
 	r53 := meta.(*AWSClient).r53conn
 

builtin/providers/aws/tags_route53.go

@@ -0,0 +1,87 @@
+package aws
+
+import (
+	"log"
+
+	"github.com/hashicorp/aws-sdk-go/aws"
+	"github.com/hashicorp/aws-sdk-go/gen/route53"
+	"github.com/hashicorp/terraform/helper/schema"
+)
+
+// setTags is a helper to set the tags for a resource. It expects the
+// tags field to be named "tags"
+func setTagsR53(conn *route53.Route53, d *schema.ResourceData) error {
+	if d.HasChange("tags") {
+		oraw, nraw := d.GetChange("tags")
+		o := oraw.(map[string]interface{})
+		n := nraw.(map[string]interface{})
+		create, remove := diffTagsR53(tagsFromMapR53(o), tagsFromMapR53(n))
+
+		// Set tags
+		r := make([]string, len(remove))
+		for i, t := range remove {
+			r[i] = *t.Key
+		}
+		log.Printf("[DEBUG] Changing tags: \n\tadding: %#v\n\tremoving:", create, remove)
+		req := &route53.ChangeTagsForResourceRequest{
+			AddTags:       create,
+			RemoveTagKeys: r,
+			ResourceID:    aws.String(d.Id()),
+			ResourceType:  aws.String("hostedzone"),
+		}
+		resp, err := conn.ChangeTagsForResource(req)
+		log.Printf("\n\t****\nresp:\n%#v", resp)
+		if err != nil {
+			log.Printf("\n\t****\nerror:\n%#v", err)
+			return err
+		}
+	}
+
+	return nil
+}
+
+// diffTags takes our tags locally and the ones remotely and returns
+// the set of tags that must be created, and the set of tags that must
+// be destroyed.
+func diffTagsR53(oldTags, newTags []route53.Tag) ([]route53.Tag, []route53.Tag) {
+	// First, we're creating everything we have
+	create := make(map[string]interface{})
+	for _, t := range newTags {
+		create[*t.Key] = *t.Value
+	}
+
+	// Build the list of what to remove
+	var remove []route53.Tag
+	for _, t := range oldTags {
+		old, ok := create[*t.Key]
+		if !ok || old != *t.Value {
+			// Delete it!
+			remove = append(remove, t)
+		}
+	}
+
+	return tagsFromMapR53(create), remove
+}
+
+// tagsFromMap returns the tags for the given map of data.
+func tagsFromMapR53(m map[string]interface{}) []route53.Tag {
+	result := make([]route53.Tag, 0, len(m))
+	for k, v := range m {
+		result = append(result, route53.Tag{
+			Key:   aws.String(k),
+			Value: aws.String(v.(string)),
+		})
+	}
+
+	return result
+}
+
+// tagsToMap turns the list of tags into a map.
+func tagsToMapR53(ts []route53.Tag) map[string]string {
+	result := make(map[string]string)
+	for _, t := range ts {
+		result[*t.Key] = *t.Value
+	}
+
+	return result
+}

builtin/providers/aws/tags_route53_test.go

@@ -0,0 +1,85 @@
+package aws
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+
+	"github.com/hashicorp/aws-sdk-go/gen/ec2"
+	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/terraform"
+)
+
+func TestDiffTagsR53(t *testing.T) {
+	cases := []struct {
+		Old, New       map[string]interface{}
+		Create, Remove map[string]string
+	}{
+		// Basic add/remove
+		{
+			Old: map[string]interface{}{
+				"foo": "bar",
+			},
+			New: map[string]interface{}{
+				"bar": "baz",
+			},
+			Create: map[string]string{
+				"bar": "baz",
+			},
+			Remove: map[string]string{
+				"foo": "bar",
+			},
+		},
+
+		// Modify
+		{
+			Old: map[string]interface{}{
+				"foo": "bar",
+			},
+			New: map[string]interface{}{
+				"foo": "baz",
+			},
+			Create: map[string]string{
+				"foo": "baz",
+			},
+			Remove: map[string]string{
+				"foo": "bar",
+			},
+		},
+	}
+
+	for i, tc := range cases {
+		c, r := diffTags(tagsFromMap(tc.Old), tagsFromMap(tc.New))
+		cm := tagsToMap(c)
+		rm := tagsToMap(r)
+		if !reflect.DeepEqual(cm, tc.Create) {
+			t.Fatalf("%d: bad create: %#v", i, cm)
+		}
+		if !reflect.DeepEqual(rm, tc.Remove) {
+			t.Fatalf("%d: bad remove: %#v", i, rm)
+		}
+	}
+}
+
+// testAccCheckTags can be used to check the tags on a resource.
+func testAccCheckTagsR53(
+	ts *[]ec2.Tag, key string, value string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		m := tagsToMap(*ts)
+		v, ok := m[key]
+		if value != "" && !ok {
+			return fmt.Errorf("Missing tag: %s", key)
+		} else if value == "" && ok {
+			return fmt.Errorf("Extra tag: %s", key)
+		}
+		if value == "" {
+			return nil
+		}
+
+		if v != value {
+			return fmt.Errorf("%s: bad value: %s", key, v)
+		}
+
+		return nil
+	}
+}