github.com/andresvia/terraform@v0.6.15-0.20160412045437-d51c75946785/builtin/providers/aws/resource_aws_nat_gateway_test.go (about)

     1  package aws
     2  
     3  import (
     4  	"fmt"
     5  	"strings"
     6  	"testing"
     7  
     8  	"github.com/aws/aws-sdk-go/aws"
     9  	"github.com/aws/aws-sdk-go/aws/awserr"
    10  	"github.com/aws/aws-sdk-go/service/ec2"
    11  	"github.com/hashicorp/terraform/helper/resource"
    12  	"github.com/hashicorp/terraform/terraform"
    13  )
    14  
    15  func TestAccAWSNatGateway_basic(t *testing.T) {
    16  	var natGateway ec2.NatGateway
    17  
    18  	resource.Test(t, resource.TestCase{
    19  		PreCheck:     func() { testAccPreCheck(t) },
    20  		Providers:    testAccProviders,
    21  		CheckDestroy: testAccCheckNatGatewayDestroy,
    22  		Steps: []resource.TestStep{
    23  			resource.TestStep{
    24  				Config: testAccNatGatewayConfig,
    25  				Check: resource.ComposeTestCheckFunc(
    26  					testAccCheckNatGatewayExists("aws_nat_gateway.gateway", &natGateway),
    27  				),
    28  			},
    29  		},
    30  	})
    31  }
    32  
    33  func testAccCheckNatGatewayDestroy(s *terraform.State) error {
    34  	conn := testAccProvider.Meta().(*AWSClient).ec2conn
    35  
    36  	for _, rs := range s.RootModule().Resources {
    37  		if rs.Type != "aws_nat_gateway" {
    38  			continue
    39  		}
    40  
    41  		// Try to find the resource
    42  		resp, err := conn.DescribeNatGateways(&ec2.DescribeNatGatewaysInput{
    43  			NatGatewayIds: []*string{aws.String(rs.Primary.ID)},
    44  		})
    45  		if err == nil {
    46  			if len(resp.NatGateways) > 0 && strings.ToLower(*resp.NatGateways[0].State) != "deleted" {
    47  				return fmt.Errorf("still exists")
    48  			}
    49  
    50  			return nil
    51  		}
    52  
    53  		// Verify the error is what we want
    54  		ec2err, ok := err.(awserr.Error)
    55  		if !ok {
    56  			return err
    57  		}
    58  		if ec2err.Code() != "NatGatewayNotFound" {
    59  			return err
    60  		}
    61  	}
    62  
    63  	return nil
    64  }
    65  
    66  func testAccCheckNatGatewayExists(n string, ng *ec2.NatGateway) resource.TestCheckFunc {
    67  	return func(s *terraform.State) error {
    68  		rs, ok := s.RootModule().Resources[n]
    69  		if !ok {
    70  			return fmt.Errorf("Not found: %s", n)
    71  		}
    72  
    73  		if rs.Primary.ID == "" {
    74  			return fmt.Errorf("No ID is set")
    75  		}
    76  
    77  		conn := testAccProvider.Meta().(*AWSClient).ec2conn
    78  		resp, err := conn.DescribeNatGateways(&ec2.DescribeNatGatewaysInput{
    79  			NatGatewayIds: []*string{aws.String(rs.Primary.ID)},
    80  		})
    81  		if err != nil {
    82  			return err
    83  		}
    84  		if len(resp.NatGateways) == 0 {
    85  			return fmt.Errorf("NatGateway not found")
    86  		}
    87  
    88  		*ng = *resp.NatGateways[0]
    89  
    90  		return nil
    91  	}
    92  }
    93  
    94  const testAccNatGatewayConfig = `
    95  resource "aws_vpc" "vpc" {
    96      cidr_block = "10.0.0.0/16"
    97  }
    98  
    99  resource "aws_subnet" "private" {
   100      vpc_id = "${aws_vpc.vpc.id}"
   101      cidr_block = "10.0.1.0/24"
   102      map_public_ip_on_launch = false
   103  }
   104  
   105  resource "aws_subnet" "public" {
   106      vpc_id = "${aws_vpc.vpc.id}"
   107      cidr_block = "10.0.2.0/24"
   108      map_public_ip_on_launch = true
   109  }
   110  
   111  resource "aws_internet_gateway" "gw" {
   112      vpc_id = "${aws_vpc.vpc.id}"
   113  }
   114  
   115  resource "aws_eip" "nat_gateway" {
   116      vpc = true
   117  }
   118  
   119  // Actual SUT
   120  resource "aws_nat_gateway" "gateway" {
   121      allocation_id = "${aws_eip.nat_gateway.id}"
   122      subnet_id = "${aws_subnet.public.id}"
   123  
   124      depends_on = ["aws_internet_gateway.gw"]
   125  }
   126  
   127  resource "aws_route_table" "private" {
   128      vpc_id = "${aws_vpc.vpc.id}"
   129  
   130      route {
   131          cidr_block = "0.0.0.0/0"
   132          nat_gateway_id = "${aws_nat_gateway.gateway.id}"
   133      }
   134  }
   135  
   136  resource "aws_route_table_association" "private" {
   137      subnet_id = "${aws_subnet.private.id}"
   138      route_table_id = "${aws_route_table.private.id}"
   139  }
   140  
   141  resource "aws_route_table" "public" {
   142      vpc_id = "${aws_vpc.vpc.id}"
   143  
   144      route {
   145          cidr_block = "0.0.0.0/0"
   146          gateway_id = "${aws_internet_gateway.gw.id}"
   147      }
   148  }
   149  
   150  resource "aws_route_table_association" "public" {
   151      subnet_id = "${aws_subnet.public.id}"
   152      route_table_id = "${aws_route_table.public.id}"
   153  }
   154  `