terraform/builtin/providers/aws/resource_aws_subnet_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 TestAccAWSSubnet(t *testing.T) {
var v ec2.Subnet
testCheck := func(*terraform.State) error {
if v.CidrBlock != "10.1.1.0/24" {
return fmt.Errorf("bad cidr: %s", v.CidrBlock)
}
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if v.MapPublicIpOnLaunch != true {
return fmt.Errorf("bad MapPublicIpOnLaunch: %s", v.MapPublicIpOnLaunch)
}
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return nil
}
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckSubnetDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccSubnetConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckSubnetExists(
"aws_subnet.foo", &v),
testCheck,
),
},
},
})
}
func testAccCheckSubnetDestroy(s *terraform.State) error {
conn := testAccProvider.Meta().(*AWSClient).ec2conn
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for _, rs := range s.RootModule().Resources {
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if rs.Type != "aws_subnet" {
continue
}
// Try to find the resource
resp, err := conn.DescribeSubnets(
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[]string{rs.Primary.ID}, ec2.NewFilter())
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if err == nil {
if len(resp.Subnets) > 0 {
return fmt.Errorf("still exist.")
}
return nil
}
// Verify the error is what we want
ec2err, ok := err.(*ec2.Error)
if !ok {
return err
}
if ec2err.Code != "InvalidSubnetID.NotFound" {
return err
}
}
return nil
}
func testAccCheckSubnetExists(n string, v *ec2.Subnet) 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 ID is set")
}
conn := testAccProvider.Meta().(*AWSClient).ec2conn
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resp, err := conn.DescribeSubnets(
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[]string{rs.Primary.ID}, ec2.NewFilter())
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if err != nil {
return err
}
if len(resp.Subnets) == 0 {
return fmt.Errorf("Subnet not found")
}
*v = resp.Subnets[0]
return nil
}
}
const testAccSubnetConfig = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "foo" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
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map_public_ip_on_launch = true
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}
`