terraform/builtin/providers/aws/resource_aws_vpc_test.go

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package aws
import (
"fmt"
"testing"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/goamz/ec2"
)
func TestAccVpc(t *testing.T) {
var vpc ec2.VPC
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
CheckDestroy: testAccCheckVpcDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccVpcConfig,
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Check: resource.ComposeTestCheckFunc(
testAccCheckVpcExists("aws_vpc.foo", &vpc),
testAccCheckVpcCidr(&vpc, "10.1.0.0/16"),
resource.TestCheckResourceAttr(
"aws_vpc.foo", "cidr_block", "10.1.0.0/16"),
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),
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},
},
})
}
func TestAccVpcUpdate(t *testing.T) {
var vpc ec2.VPC
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckVpcDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccVpcConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckVpcExists("aws_vpc.foo", &vpc),
testAccCheckVpcCidr(&vpc, "10.1.0.0/16"),
resource.TestCheckResourceAttr(
"aws_vpc.foo", "cidr_block", "10.1.0.0/16"),
),
},
resource.TestStep{
Config: testAccVpcConfigUpdate,
Check: resource.ComposeTestCheckFunc(
testAccCheckVpcExists("aws_vpc.foo", &vpc),
resource.TestCheckResourceAttr(
"aws_vpc.foo", "enable_dns_hostnames", "true"),
),
},
},
})
}
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func testAccCheckVpcDestroy(s *terraform.State) error {
conn := testAccProvider.ec2conn
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for _, rs := range s.RootModule().Resources {
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if rs.Type != "aws_vpc" {
continue
}
// Try to find the VPC
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resp, err := conn.DescribeVpcs([]string{rs.Primary.ID}, ec2.NewFilter())
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if err == nil {
if len(resp.VPCs) > 0 {
return fmt.Errorf("VPCs still exist.")
}
return nil
}
// Verify the error is what we want
ec2err, ok := err.(*ec2.Error)
if !ok {
return err
}
if ec2err.Code != "InvalidVpcID.NotFound" {
return err
}
}
return nil
}
func testAccCheckVpcCidr(vpc *ec2.VPC, expected string) resource.TestCheckFunc {
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return func(s *terraform.State) error {
if vpc.CidrBlock != expected {
return fmt.Errorf("Bad cidr: %s", vpc.CidrBlock)
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}
return nil
}
}
func testAccCheckVpcExists(n string, vpc *ec2.VPC) resource.TestCheckFunc {
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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 VPC ID is set")
}
conn := testAccProvider.ec2conn
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resp, err := conn.DescribeVpcs([]string{rs.Primary.ID}, ec2.NewFilter())
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if err != nil {
return err
}
if len(resp.VPCs) == 0 {
return fmt.Errorf("VPC not found")
}
*vpc = resp.VPCs[0]
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return nil
}
}
const testAccVpcConfig = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
`
const testAccVpcConfigUpdate = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
enable_dns_hostnames = true
}
`