terraform/builtin/providers/aws/resource_aws_elb_test.go

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package aws
import (
"fmt"
"os"
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"reflect"
"sort"
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"testing"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/goamz/elb"
)
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func TestAccAWSELB_basic(t *testing.T) {
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var conf elb.LoadBalancer
ssl_certificate_id := os.Getenv("AWS_SSL_CERTIFICATE_ID")
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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),
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resource.TestCheckResourceAttr(
"aws_elb.bar", "name", "foobar-terraform-test"),
resource.TestCheckResourceAttr(
"aws_elb.bar", "availability_zones.2487133097", "us-west-2a"),
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resource.TestCheckResourceAttr(
"aws_elb.bar", "availability_zones.221770259", "us-west-2b"),
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resource.TestCheckResourceAttr(
"aws_elb.bar", "availability_zones.2050015877", "us-west-2c"),
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resource.TestCheckResourceAttr(
"aws_elb.bar", "listener.206423021.instance_port", "8000"),
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resource.TestCheckResourceAttr(
"aws_elb.bar", "listener.206423021.instance_protocol", "http"),
resource.TestCheckResourceAttr(
"aws_elb.bar", "listener.206423021.ssl_certificate_id", ssl_certificate_id),
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resource.TestCheckResourceAttr(
"aws_elb.bar", "listener.206423021.lb_port", "80"),
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resource.TestCheckResourceAttr(
"aws_elb.bar", "listener.206423021.lb_protocol", "http"),
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resource.TestCheckResourceAttr(
"aws_elb.bar", "cross_zone_load_balancing", "true"),
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),
},
},
})
}
func TestAccAWSELB_InstanceAttaching(t *testing.T) {
var conf elb.LoadBalancer
testCheckInstanceAttached := func(count int) resource.TestCheckFunc {
return func(*terraform.State) error {
if len(conf.Instances) != count {
return fmt.Errorf("instance count does not match")
}
return nil
}
}
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.TestStep{
Config: testAccAWSELBConfigNewInstance,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSELBExists("aws_elb.bar", &conf),
testCheckInstanceAttached(1),
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),
},
},
})
}
func TestAccAWSELB_AddSubnet(t *testing.T) {
var conf elb.LoadBalancer
testCheckSubnetsAdded := func(count int) resource.TestCheckFunc {
return func(*terraform.State) error {
if len(conf.Subnets) != count {
return fmt.Errorf("subnet count does not match")
}
return nil
}
}
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSELBDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccAWSELBConfigVPC,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSELBExists("aws_elb.bar", &conf),
testAccCheckAWSELBAttributes(&conf),
),
},
resource.TestStep{
Config: testAccAWSELBAddSubnets,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSELBExists("aws_elb.bar", &conf),
testCheckSubnetsAdded(2),
),
},
},
})
}
func TestAccAWSELB_HealthCheck(t *testing.T) {
var conf elb.LoadBalancer
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSELBDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccAWSELBConfigHealthCheck,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSELBExists("aws_elb.bar", &conf),
testAccCheckAWSELBAttributesHealthCheck(&conf),
resource.TestCheckResourceAttr(
"aws_elb.bar", "health_check.3484319807.healthy_threshold", "5"),
resource.TestCheckResourceAttr(
"aws_elb.bar", "health_check.3484319807.unhealthy_threshold", "5"),
resource.TestCheckResourceAttr(
"aws_elb.bar", "health_check.3484319807.target", "HTTP:8000/"),
resource.TestCheckResourceAttr(
"aws_elb.bar", "health_check.3484319807.timeout", "30"),
resource.TestCheckResourceAttr(
"aws_elb.bar", "health_check.3484319807.interval", "60"),
),
},
},
})
}
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func testAccCheckAWSELBDestroy(s *terraform.State) error {
conn := testAccProvider.Meta().(*AWSClient).elbconn
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for _, rs := range s.RootModule().Resources {
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if rs.Type != "aws_elb" {
continue
}
describe, err := conn.DescribeLoadBalancers(&elb.DescribeLoadBalancer{
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Names: []string{rs.Primary.ID},
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})
if err == nil {
if len(describe.LoadBalancers) != 0 &&
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describe.LoadBalancers[0].LoadBalancerName == rs.Primary.ID {
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return fmt.Errorf("ELB still exists")
}
}
// Verify the error
providerErr, ok := err.(*elb.Error)
if !ok {
return err
}
if providerErr.Code != "InvalidLoadBalancerName.NotFound" {
return fmt.Errorf("Unexpected error: %s", err)
}
}
return nil
}
func testAccCheckAWSELBAttributes(conf *elb.LoadBalancer) resource.TestCheckFunc {
return func(s *terraform.State) error {
zones := []string{"us-west-2a", "us-west-2b", "us-west-2c"}
sort.StringSlice(conf.AvailabilityZones).Sort()
if !reflect.DeepEqual(conf.AvailabilityZones, zones) {
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return fmt.Errorf("bad availability_zones")
}
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if conf.LoadBalancerName != "foobar-terraform-test" {
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return fmt.Errorf("bad name")
}
l := elb.Listener{
InstancePort: 8000,
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InstanceProtocol: "HTTP",
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LoadBalancerPort: 80,
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Protocol: "HTTP",
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}
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if !reflect.DeepEqual(conf.Listeners[0], l) {
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return fmt.Errorf(
"Got:\n\n%#v\n\nExpected:\n\n%#v\n",
conf.Listeners[0],
l)
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}
if conf.DNSName == "" {
return fmt.Errorf("empty dns_name")
}
return nil
}
}
func testAccCheckAWSELBAttributesHealthCheck(conf *elb.LoadBalancer) resource.TestCheckFunc {
return func(s *terraform.State) error {
zones := []string{"us-west-2a", "us-west-2b", "us-west-2c"}
sort.StringSlice(conf.AvailabilityZones).Sort()
if !reflect.DeepEqual(conf.AvailabilityZones, zones) {
return fmt.Errorf("bad availability_zones")
}
if conf.LoadBalancerName != "foobar-terraform-test" {
return fmt.Errorf("bad name")
}
check := elb.HealthCheck{
Timeout: 30,
UnhealthyThreshold: 5,
HealthyThreshold: 5,
Interval: 60,
Target: "HTTP:8000/",
}
if !reflect.DeepEqual(conf.HealthCheck, check) {
return fmt.Errorf(
"Got:\n\n%#v\n\nExpected:\n\n%#v\n",
conf.HealthCheck,
check)
}
if conf.DNSName == "" {
return fmt.Errorf("empty dns_name")
}
return nil
}
}
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func testAccCheckAWSELBExists(n string, res *elb.LoadBalancer) resource.TestCheckFunc {
return func(s *terraform.State) error {
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rs, ok := s.RootModule().Resources[n]
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if !ok {
return fmt.Errorf("Not found: %s", n)
}
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if rs.Primary.ID == "" {
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return fmt.Errorf("No ELB ID is set")
}
conn := testAccProvider.Meta().(*AWSClient).elbconn
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describe, err := conn.DescribeLoadBalancers(&elb.DescribeLoadBalancer{
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Names: []string{rs.Primary.ID},
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})
if err != nil {
return err
}
if len(describe.LoadBalancers) != 1 ||
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describe.LoadBalancers[0].LoadBalancerName != rs.Primary.ID {
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return fmt.Errorf("ELB not found")
}
*res = describe.LoadBalancers[0]
return nil
}
}
const testAccAWSELBConfig = `
resource "aws_elb" "bar" {
name = "foobar-terraform-test"
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availability_zones = ["us-west-2a", "us-west-2b", "us-west-2c"]
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listener {
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instance_port = 8000
instance_protocol = "http"
lb_port = 80
lb_protocol = "http"
}
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cross_zone_load_balancing = true
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}
`
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const testAccAWSELBConfigNewInstance = `
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"
}
instances = ["${aws_instance.foo.id}"]
}
resource "aws_instance" "foo" {
# us-west-2
ami = "ami-043a5034"
instance_type = "t1.micro"
}
`
const testAccAWSELBConfigVPC = `
resource "aws_elb" "bar" {
vpc_id = "${aws_vpc.foobar.id}"
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"
}
subnets = ["${aws_subnet.baz.id}"]
}
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resource "aws_subnet" "baz" {
vpc_id = "${aws_vpc.foobar.id}"
cidr_block = "10.0.69.0/24"
}
resource "aws_vpc" "foobar" {
cidr_block = "10.0.0.0/16"
}
`
const testAccAWSELBAddSubnets = `
resource "aws_elb" "bar" {
vpc_id = "${aws_vpc.foobar.id}"
name = "foobar-terraform-test"
availability_zones = ["us-west-2a", "us-west-2b", "us-west-2c"]
listener {
instance_port = 8000
instance_protocol = "http"
lb_port = 80
lb_protocol = "http"
}
subnets = ["${aws_subnet.baz.id}",
"${aws_subnet.foo.id}"]
}
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resource "aws_subnet" "foo" {
vpc_id = "${aws_vpc.foobar.id}"
cidr_block = "10.0.68.0/24"
}
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resource "aws_subnet" "baz" {
vpc_id = "${aws_vpc.foobar.id}"
cidr_block = "10.0.69.0/24"
}
resource "aws_vpc" "foobar" {
cidr_block = "10.0.0.0/16"
}
`
const testAccAWSELBConfigListenerSSLCertificateId = `
resource "aws_elb" "bar" {
name = "foobar-terraform-test"
availability_zones = ["us-west-2a"]
listener {
instance_port = 8000
instance_protocol = "http"
ssl_certificate_id = "%s"
lb_port = 443
lb_protocol = "https"
}
}
`
const testAccAWSELBConfigHealthCheck = `
resource "aws_elb" "bar" {
name = "foobar-terraform-test"
availability_zones = ["us-west-2a"]
listener {
instance_port = 8000
instance_protocol = "http"
lb_port = 80
lb_protocol = "http"
}
health_check {
healthy_threshold = 5
unhealthy_threshold = 5
target = "HTTP:8000/"
interval = 60
timeout = 30
}
}
`