github.com/gabrielperezs/terraform@v0.7.0-rc2.0.20160715084931-f7da2612946f/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  		IDRefreshName: "aws_nat_gateway.gateway",
    21  		Providers:     testAccProviders,
    22  		CheckDestroy:  testAccCheckNatGatewayDestroy,
    23  		Steps: []resource.TestStep{
    24  			resource.TestStep{
    25  				Config: testAccNatGatewayConfig,
    26  				Check: resource.ComposeTestCheckFunc(
    27  					testAccCheckNatGatewayExists("aws_nat_gateway.gateway", &natGateway),
    28  				),
    29  			},
    30  		},
    31  	})
    32  }
    33  
    34  func testAccCheckNatGatewayDestroy(s *terraform.State) error {
    35  	conn := testAccProvider.Meta().(*AWSClient).ec2conn
    36  
    37  	for _, rs := range s.RootModule().Resources {
    38  		if rs.Type != "aws_nat_gateway" {
    39  			continue
    40  		}
    41  
    42  		// Try to find the resource
    43  		resp, err := conn.DescribeNatGateways(&ec2.DescribeNatGatewaysInput{
    44  			NatGatewayIds: []*string{aws.String(rs.Primary.ID)},
    45  		})
    46  		if err == nil {
    47  			if len(resp.NatGateways) > 0 && strings.ToLower(*resp.NatGateways[0].State) != "deleted" {
    48  				return fmt.Errorf("still exists")
    49  			}
    50  
    51  			return nil
    52  		}
    53  
    54  		// Verify the error is what we want
    55  		ec2err, ok := err.(awserr.Error)
    56  		if !ok {
    57  			return err
    58  		}
    59  		if ec2err.Code() != "NatGatewayNotFound" {
    60  			return err
    61  		}
    62  	}
    63  
    64  	return nil
    65  }
    66  
    67  func testAccCheckNatGatewayExists(n string, ng *ec2.NatGateway) resource.TestCheckFunc {
    68  	return func(s *terraform.State) error {
    69  		rs, ok := s.RootModule().Resources[n]
    70  		if !ok {
    71  			return fmt.Errorf("Not found: %s", n)
    72  		}
    73  
    74  		if rs.Primary.ID == "" {
    75  			return fmt.Errorf("No ID is set")
    76  		}
    77  
    78  		conn := testAccProvider.Meta().(*AWSClient).ec2conn
    79  		resp, err := conn.DescribeNatGateways(&ec2.DescribeNatGatewaysInput{
    80  			NatGatewayIds: []*string{aws.String(rs.Primary.ID)},
    81  		})
    82  		if err != nil {
    83  			return err
    84  		}
    85  		if len(resp.NatGateways) == 0 {
    86  			return fmt.Errorf("NatGateway not found")
    87  		}
    88  
    89  		*ng = *resp.NatGateways[0]
    90  
    91  		return nil
    92  	}
    93  }
    94  
    95  const testAccNatGatewayConfig = `
    96  resource "aws_vpc" "vpc" {
    97      cidr_block = "10.0.0.0/16"
    98  }
    99  
   100  resource "aws_subnet" "private" {
   101      vpc_id = "${aws_vpc.vpc.id}"
   102      cidr_block = "10.0.1.0/24"
   103      map_public_ip_on_launch = false
   104  }
   105  
   106  resource "aws_subnet" "public" {
   107      vpc_id = "${aws_vpc.vpc.id}"
   108      cidr_block = "10.0.2.0/24"
   109      map_public_ip_on_launch = true
   110  }
   111  
   112  resource "aws_internet_gateway" "gw" {
   113      vpc_id = "${aws_vpc.vpc.id}"
   114  }
   115  
   116  resource "aws_eip" "nat_gateway" {
   117      vpc = true
   118  }
   119  
   120  // Actual SUT
   121  resource "aws_nat_gateway" "gateway" {
   122      allocation_id = "${aws_eip.nat_gateway.id}"
   123      subnet_id = "${aws_subnet.public.id}"
   124  
   125      depends_on = ["aws_internet_gateway.gw"]
   126  }
   127  
   128  resource "aws_route_table" "private" {
   129      vpc_id = "${aws_vpc.vpc.id}"
   130  
   131      route {
   132          cidr_block = "0.0.0.0/0"
   133          nat_gateway_id = "${aws_nat_gateway.gateway.id}"
   134      }
   135  }
   136  
   137  resource "aws_route_table_association" "private" {
   138      subnet_id = "${aws_subnet.private.id}"
   139      route_table_id = "${aws_route_table.private.id}"
   140  }
   141  
   142  resource "aws_route_table" "public" {
   143      vpc_id = "${aws_vpc.vpc.id}"
   144  
   145      route {
   146          cidr_block = "0.0.0.0/0"
   147          gateway_id = "${aws_internet_gateway.gw.id}"
   148      }
   149  }
   150  
   151  resource "aws_route_table_association" "public" {
   152      subnet_id = "${aws_subnet.public.id}"
   153      route_table_id = "${aws_route_table.public.id}"
   154  }
   155  `