provider/aws: Add tag support to ELB

This commit is contained in:
Clint Shryock 2015-03-24 13:37:42 -05:00
parent 55d682482a
commit ef094e2cfe
4 changed files with 279 additions and 1 deletions

View File

@ -154,6 +154,8 @@ func resourceAwsElb() *schema.Resource {
Type: schema.TypeString,
Computed: true,
},
"tags": tagsSchema(),
},
}
}
@ -167,11 +169,12 @@ func resourceAwsElbCreate(d *schema.ResourceData, meta interface{}) error {
return err
}
tags := tagsFromMapELB(d.Get("tags").(map[string]interface{}))
// Provision the elb
elbOpts := &elb.CreateAccessPointInput{
LoadBalancerName: aws.String(d.Get("name").(string)),
Listeners: listeners,
Tags: tags,
}
if scheme, ok := d.GetOk("internal"); ok && scheme.(bool) {
@ -208,6 +211,8 @@ func resourceAwsElbCreate(d *schema.ResourceData, meta interface{}) error {
d.SetPartial("security_groups")
d.SetPartial("subnets")
d.Set("tags", tagsToMapELB(tags))
if d.HasChange("health_check") {
vs := d.Get("health_check").(*schema.Set).List()
if len(vs) > 0 {
@ -267,6 +272,15 @@ func resourceAwsElbRead(d *schema.ResourceData, meta interface{}) error {
d.Set("security_groups", lb.SecurityGroups)
d.Set("subnets", lb.Subnets)
resp, err := elbconn.DescribeTags(&elb.DescribeTagsInput{
LoadBalancerNames: []string{*lb.LoadBalancerName},
})
var et []elb.Tag
if len(resp.TagDescriptions) > 0 {
et = resp.TagDescriptions[0].Tags
}
d.Set("tags", tagsToMapELB(et))
// There's only one health check, so save that to state as we
// currently can
if *lb.HealthCheck.Target != "" {
@ -357,6 +371,11 @@ func resourceAwsElbUpdate(d *schema.ResourceData, meta interface{}) error {
}
}
if err := setTagsELB(elbconn, d); err != nil {
return err
} else {
d.SetPartial("tags")
}
d.Partial(false)
return resourceAwsElbRead(d, meta)

View File

@ -53,6 +53,61 @@ func TestAccAWSELB_basic(t *testing.T) {
})
}
func TestAccAWSELB_tags(t *testing.T) {
var conf elb.LoadBalancerDescription
var td elb.TagDescription
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSELBDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccAWSELBConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSELBExists("aws_elb.bar", &conf),
testAccCheckAWSELBAttributes(&conf),
resource.TestCheckResourceAttr(
"aws_elb.bar", "name", "foobar-terraform-test"),
testAccLoadTags(&conf, &td),
testAccCheckELBTags(&td.Tags, "bar", "baz"),
),
},
resource.TestStep{
Config: testAccAWSELBConfig_TagUpdate,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSELBExists("aws_elb.bar", &conf),
testAccCheckAWSELBAttributes(&conf),
resource.TestCheckResourceAttr(
"aws_elb.bar", "name", "foobar-terraform-test"),
testAccLoadTags(&conf, &td),
testAccCheckELBTags(&td.Tags, "foo", "bar"),
testAccCheckELBTags(&td.Tags, "new", "type"),
),
},
},
})
}
func testAccLoadTags(conf *elb.LoadBalancerDescription, td *elb.TagDescription) resource.TestCheckFunc {
return func(s *terraform.State) error {
conn := testAccProvider.Meta().(*AWSClient).elbconn
describe, err := conn.DescribeTags(&elb.DescribeTagsInput{
LoadBalancerNames: []string{*conf.LoadBalancerName},
})
if err != nil {
return err
}
if len(describe.TagDescriptions) > 0 {
*td = describe.TagDescriptions[0]
}
return nil
}
}
func TestAccAWSELB_InstanceAttaching(t *testing.T) {
var conf elb.LoadBalancerDescription
@ -288,6 +343,31 @@ resource "aws_elb" "bar" {
lb_protocol = "http"
}
tags {
bar = "baz"
}
cross_zone_load_balancing = true
}
`
const testAccAWSELBConfig_TagUpdate = `
resource "aws_elb" "bar" {
name = "foobar-terraform-test"
availability_zones = ["us-west-2a", "us-west-2b", "us-west-2c"]
listener {
instance_port = 8000
instance_protocol = "http"
lb_port = 80
lb_protocol = "http"
}
tags {
foo = "bar"
new = "type"
}
cross_zone_load_balancing = true
}
`

View File

@ -0,0 +1,94 @@
package aws
import (
"log"
"github.com/hashicorp/aws-sdk-go/aws"
"github.com/hashicorp/aws-sdk-go/gen/elb"
"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 setTagsELB(conn *elb.ELB, 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 := diffTagsELB(tagsFromMapELB(o), tagsFromMapELB(n))
// Set tags
if len(remove) > 0 {
log.Printf("[DEBUG] Removing tags: %#v", remove)
k := make([]elb.TagKeyOnly, 0, len(remove))
for _, t := range remove {
k = append(k, elb.TagKeyOnly{Key: t.Key})
}
_, err := conn.RemoveTags(&elb.RemoveTagsInput{
LoadBalancerNames: []string{d.Get("name").(string)},
Tags: k,
})
if err != nil {
return err
}
}
if len(create) > 0 {
log.Printf("[DEBUG] Creating tags: %#v", create)
_, err := conn.AddTags(&elb.AddTagsInput{
LoadBalancerNames: []string{d.Get("name").(string)},
Tags: create,
})
if err != nil {
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 diffTagsELB(oldTags, newTags []elb.Tag) ([]elb.Tag, []elb.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 []elb.Tag
for _, t := range oldTags {
old, ok := create[*t.Key]
if !ok || old != *t.Value {
// Delete it!
remove = append(remove, t)
}
}
return tagsFromMapELB(create), remove
}
// tagsFromMap returns the tags for the given map of data.
func tagsFromMapELB(m map[string]interface{}) []elb.Tag {
result := make([]elb.Tag, 0, len(m))
for k, v := range m {
result = append(result, elb.Tag{
Key: aws.String(k),
Value: aws.String(v.(string)),
})
}
return result
}
// tagsToMap turns the list of tags into a map.
func tagsToMapELB(ts []elb.Tag) map[string]string {
result := make(map[string]string)
for _, t := range ts {
result[*t.Key] = *t.Value
}
return result
}

View File

@ -0,0 +1,85 @@
package aws
import (
"fmt"
"reflect"
"testing"
"github.com/hashicorp/aws-sdk-go/gen/elb"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
)
func TestDiffELBTags(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 := diffTagsELB(tagsFromMapELB(tc.Old), tagsFromMapELB(tc.New))
cm := tagsToMapELB(c)
rm := tagsToMapELB(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 testAccCheckELBTags(
ts *[]elb.Tag, key string, value string) resource.TestCheckFunc {
return func(s *terraform.State) error {
m := tagsToMapELB(*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
}
}