package aws import ( "fmt" "log" "testing" "github.com/aws/aws-sdk-go/service/ec2" "github.com/hashicorp/terraform/helper/resource" "github.com/hashicorp/terraform/terraform" ) func TestAccAWSVolumeAttachment_basic(t *testing.T) { var i ec2.Instance var v ec2.Volume resource.Test(t, resource.TestCase{ PreCheck: func() { testAccPreCheck(t) }, Providers: testAccProviders, CheckDestroy: testAccCheckVolumeAttachmentDestroy, Steps: []resource.TestStep{ resource.TestStep{ Config: testAccVolumeAttachmentConfig, Check: resource.ComposeTestCheckFunc( resource.TestCheckResourceAttr( "aws_volume_attachment.ebs_att", "device_name", "/dev/sdh"), testAccCheckInstanceExists( "aws_instance.web", &i), testAccCheckVolumeExists( "aws_ebs_volume.example", &v), testAccCheckVolumeAttachmentExists( "aws_volume_attachment.ebs_att", &i, &v), ), }, }, }) } func testAccCheckVolumeAttachmentExists(n string, i *ec2.Instance, v *ec2.Volume) resource.TestCheckFunc { return func(s *terraform.State) error { rs, ok := s.RootModule().Resources[n] if !ok { return fmt.Errorf("Not found: %s", n) } if rs.Primary.ID == "" { return fmt.Errorf("No ID is set") } for _, b := range i.BlockDeviceMappings { if rs.Primary.Attributes["device_name"] == *b.DeviceName { if b.EBS.VolumeID != nil && rs.Primary.Attributes["volume_id"] == *b.EBS.VolumeID { // pass return nil } } } return fmt.Errorf("Error finding instance/volume") } } func testAccCheckVolumeAttachmentDestroy(s *terraform.State) error { for _, rs := range s.RootModule().Resources { log.Printf("\n\n----- This is never called") if rs.Type != "aws_volume_attachment" { continue } } return nil } const testAccVolumeAttachmentConfig = ` resource "aws_instance" "web" { ami = "ami-21f78e11" availability_zone = "us-west-2a" instance_type = "t1.micro" tags { Name = "HelloWorld" } } resource "aws_ebs_volume" "example" { availability_zone = "us-west-2a" size = 1 } resource "aws_volume_attachment" "ebs_att" { device_name = "/dev/sdh" volume_id = "${aws_ebs_volume.example.id}" instance_id = "${aws_instance.web.id}" } `