provider/aws: Add IPv6 Support to aws_route_table (#12640)

```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSRouteTable_'
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2017/03/13 10:11:09 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/aws -v -run=TestAccAWSRouteTable_ -timeout 120m
=== RUN   TestAccAWSRouteTable_importBasic
--- PASS: TestAccAWSRouteTable_importBasic (63.14s)
=== RUN   TestAccAWSRouteTable_complex
--- PASS: TestAccAWSRouteTable_complex (241.57s)
=== RUN   TestAccAWSRouteTable_basic
--- PASS: TestAccAWSRouteTable_basic (91.26s)
=== RUN   TestAccAWSRouteTable_instance
--- PASS: TestAccAWSRouteTable_instance (158.18s)
=== RUN   TestAccAWSRouteTable_ipv6
--- PASS: TestAccAWSRouteTable_ipv6 (48.99s)
=== RUN   TestAccAWSRouteTable_tags
--- PASS: TestAccAWSRouteTable_tags (71.68s)
=== RUN   TestAccAWSRouteTable_vpcPeering
--- PASS: TestAccAWSRouteTable_vpcPeering (58.33s)
=== RUN   TestAccAWSRouteTable_vgwRoutePropagation
--- PASS: TestAccAWSRouteTable_vgwRoutePropagation (59.64s)
PASS
ok	github.com/hashicorp/terraform/builtin/providers/aws	780.400s
```

builtin/providers/aws/data_source_aws_route_table.go

@@ -41,6 +41,16 @@ func dataSourceAwsRouteTable() *schema.Resource {
 							Computed: true,
 						},
 
+						"ipv6_cidr_block": {
+							Type:     schema.TypeString,
+							Computed: true,
+						},
+
+						"egress_only_gateway_id": {
+							Type:     schema.TypeString,
+							Computed: true,
+						},
+
 						"gateway_id": {
 							Type:     schema.TypeString,
 							Computed: true,
@@ -177,6 +187,12 @@ func dataSourceRoutesRead(ec2Routes []*ec2.Route) []map[string]interface{} {
 		if r.DestinationCidrBlock != nil {
 			m["cidr_block"] = *r.DestinationCidrBlock
 		}
+		if r.DestinationIpv6CidrBlock != nil {
+			m["ipv6_cidr_block"] = *r.DestinationIpv6CidrBlock
+		}
+		if r.EgressOnlyInternetGatewayId != nil {
+			m["egress_only_gateway_id"] = *r.EgressOnlyInternetGatewayId
+		}
 		if r.GatewayId != nil {
 			m["gateway_id"] = *r.GatewayId
 		}

builtin/providers/aws/data_source_aws_route_table_test.go

@@ -14,7 +14,7 @@ func TestAccDataSourceAwsRouteTable_basic(t *testing.T) {
 		PreCheck:  func() { testAccPreCheck(t) },
 		Providers: testAccProviders,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccDataSourceAwsRouteTableGroupConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccDataSourceAwsRouteTableCheck("data.aws_route_table.by_tag"),
@@ -33,7 +33,7 @@ func TestAccDataSourceAwsRouteTable_main(t *testing.T) {
 		PreCheck:  func() { testAccPreCheck(t) },
 		Providers: testAccProviders,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccDataSourceAwsRouteTableMainRoute,
 				Check: resource.ComposeTestCheckFunc(
 					testAccDataSourceAwsRouteTableCheckMain("data.aws_route_table.by_filter"),

builtin/providers/aws/import_aws_route_table.go

@@ -51,6 +51,7 @@ func resourceAwsRouteTableImportState(
 			d.SetType("aws_route")
 			d.Set("route_table_id", id)
 			d.Set("destination_cidr_block", route.DestinationCidrBlock)
+			d.Set("destination_ipv6_cidr_block", route.DestinationIpv6CidrBlock)
 			d.SetId(routeIDHash(d, route))
 			results = append(results, d)
 		}

builtin/providers/aws/import_aws_route_table_test.go

@@ -23,11 +23,11 @@ func TestAccAWSRouteTable_importBasic(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckRouteTableDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccRouteTableConfig,
 			},
 
-			resource.TestStep{
+			{
 				ResourceName:     "aws_route_table.foo",
 				ImportState:      true,
 				ImportStateCheck: checkFn,
@@ -51,11 +51,11 @@ func TestAccAWSRouteTable_complex(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckRouteTableDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccRouteTableConfig_complexImport,
 			},
 
-			resource.TestStep{
+			{
 				ResourceName:     "aws_route_table.mod",
 				ImportState:      true,
 				ImportStateCheck: checkFn,

builtin/providers/aws/resource_aws_route_table.go

@@ -25,7 +25,7 @@ func resourceAwsRouteTable() *schema.Resource {
 		},
 
 		Schema: map[string]*schema.Schema{
-			"vpc_id": &schema.Schema{
+			"vpc_id": {
 				Type:     schema.TypeString,
 				Required: true,
 				ForceNew: true,
@@ -33,45 +33,55 @@ func resourceAwsRouteTable() *schema.Resource {
 
 			"tags": tagsSchema(),
 
-			"propagating_vgws": &schema.Schema{
+			"propagating_vgws": {
 				Type:     schema.TypeSet,
 				Optional: true,
 				Elem:     &schema.Schema{Type: schema.TypeString},
 				Set:      schema.HashString,
 			},
 
-			"route": &schema.Schema{
+			"route": {
 				Type:     schema.TypeSet,
 				Computed: true,
 				Optional: true,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
-						"cidr_block": &schema.Schema{
+						"cidr_block": {
 							Type:     schema.TypeString,
-							Required: true,
+							Optional: true,
+						},
+
+						"ipv6_cidr_block": {
+							Type:     schema.TypeString,
+							Optional: true,
 						},
 
-						"gateway_id": &schema.Schema{
+						"egress_only_gateway_id": {
 							Type:     schema.TypeString,
 							Optional: true,
 						},
 
-						"instance_id": &schema.Schema{
+						"gateway_id": {
 							Type:     schema.TypeString,
 							Optional: true,
 						},
 
-						"nat_gateway_id": &schema.Schema{
+						"instance_id": {
 							Type:     schema.TypeString,
 							Optional: true,
 						},
 
-						"vpc_peering_connection_id": &schema.Schema{
+						"nat_gateway_id": {
 							Type:     schema.TypeString,
 							Optional: true,
 						},
 
-						"network_interface_id": &schema.Schema{
+						"vpc_peering_connection_id": {
+							Type:     schema.TypeString,
+							Optional: true,
+						},
+
+						"network_interface_id": {
 							Type:     schema.TypeString,
 							Optional: true,
 						},
@@ -166,6 +176,12 @@ func resourceAwsRouteTableRead(d *schema.ResourceData, meta interface{}) error {
 		if r.DestinationCidrBlock != nil {
 			m["cidr_block"] = *r.DestinationCidrBlock
 		}
+		if r.DestinationIpv6CidrBlock != nil {
+			m["ipv6_cidr_block"] = *r.DestinationIpv6CidrBlock
+		}
+		if r.EgressOnlyInternetGatewayId != nil {
+			m["egress_only_gateway_id"] = *r.EgressOnlyInternetGatewayId
+		}
 		if r.GatewayId != nil {
 			m["gateway_id"] = *r.GatewayId
 		}
@@ -266,14 +282,27 @@ func resourceAwsRouteTableUpdate(d *schema.ResourceData, meta interface{}) error
 		for _, route := range ors.List() {
 			m := route.(map[string]interface{})
 
-			// Delete the route as it no longer exists in the config
-			log.Printf(
-				"[INFO] Deleting route from %s: %s",
-				d.Id(), m["cidr_block"].(string))
-			_, err := conn.DeleteRoute(&ec2.DeleteRouteInput{
-				RouteTableId:         aws.String(d.Id()),
-				DestinationCidrBlock: aws.String(m["cidr_block"].(string)),
-			})
+			deleteOpts := &ec2.DeleteRouteInput{
+				RouteTableId: aws.String(d.Id()),
+			}
+
+			if s := m["ipv6_cidr_block"].(string); s != "" {
+				deleteOpts.DestinationIpv6CidrBlock = aws.String(s)
+
+				log.Printf(
+					"[INFO] Deleting route from %s: %s",
+					d.Id(), m["ipv6_cidr_block"].(string))
+			}
+
+			if s := m["cidr_block"].(string); s != "" {
+				deleteOpts.DestinationCidrBlock = aws.String(s)
+
+				log.Printf(
+					"[INFO] Deleting route from %s: %s",
+					d.Id(), m["cidr_block"].(string))
+			}
+
+			_, err := conn.DeleteRoute(deleteOpts)
 			if err != nil {
 				return err
 			}
@@ -288,16 +317,39 @@ func resourceAwsRouteTableUpdate(d *schema.ResourceData, meta interface{}) error
 			m := route.(map[string]interface{})
 
 			opts := ec2.CreateRouteInput{
-				RouteTableId:           aws.String(d.Id()),
-				DestinationCidrBlock:   aws.String(m["cidr_block"].(string)),
-				GatewayId:              aws.String(m["gateway_id"].(string)),
-				InstanceId:             aws.String(m["instance_id"].(string)),
-				VpcPeeringConnectionId: aws.String(m["vpc_peering_connection_id"].(string)),
-				NetworkInterfaceId:     aws.String(m["network_interface_id"].(string)),
+				RouteTableId: aws.String(d.Id()),
+			}
+
+			if s := m["vpc_peering_connection_id"].(string); s != "" {
+				opts.VpcPeeringConnectionId = aws.String(s)
+			}
+
+			if s := m["network_interface_id"].(string); s != "" {
+				opts.NetworkInterfaceId = aws.String(s)
+			}
+
+			if s := m["instance_id"].(string); s != "" {
+				opts.InstanceId = aws.String(s)
+			}
+
+			if s := m["ipv6_cidr_block"].(string); s != "" {
+				opts.DestinationIpv6CidrBlock = aws.String(s)
+			}
+
+			if s := m["cidr_block"].(string); s != "" {
+				opts.DestinationCidrBlock = aws.String(s)
 			}
 
-			if m["nat_gateway_id"].(string) != "" {
-				opts.NatGatewayId = aws.String(m["nat_gateway_id"].(string))
+			if s := m["gateway_id"].(string); s != "" {
+				opts.GatewayId = aws.String(s)
+			}
+
+			if s := m["egress_only_gateway_id"].(string); s != "" {
+				opts.EgressOnlyInternetGatewayId = aws.String(s)
+			}
+
+			if s := m["nat_gateway_id"].(string); s != "" {
+				opts.NatGatewayId = aws.String(s)
 			}
 
 			log.Printf("[INFO] Creating route for %s: %#v", d.Id(), opts)
@@ -402,6 +454,10 @@ func resourceAwsRouteTableHash(v interface{}) int {
 	var buf bytes.Buffer
 	m := v.(map[string]interface{})
 
+	if v, ok := m["ipv6_cidr_block"]; ok {
+		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
+	}
+
 	if v, ok := m["cidr_block"]; ok {
 		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
 	}
@@ -410,6 +466,10 @@ func resourceAwsRouteTableHash(v interface{}) int {
 		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
 	}
 
+	if v, ok := m["egress_only_gateway_id"]; ok {
+		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
+	}
+
 	natGatewaySet := false
 	if v, ok := m["nat_gateway_id"]; ok {
 		natGatewaySet = v.(string) != ""

builtin/providers/aws/resource_aws_route_table_test.go

@@ -63,7 +63,7 @@ func TestAccAWSRouteTable_basic(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckRouteTableDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccRouteTableConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(
@@ -72,7 +72,7 @@ func TestAccAWSRouteTable_basic(t *testing.T) {
 				),
 			},
 
-			resource.TestStep{
+			{
 				Config: testAccRouteTableConfigChange,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(
@@ -113,7 +113,7 @@ func TestAccAWSRouteTable_instance(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckRouteTableDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccRouteTableConfigInstance,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(
@@ -125,6 +125,35 @@ func TestAccAWSRouteTable_instance(t *testing.T) {
 	})
 }
 
+func TestAccAWSRouteTable_ipv6(t *testing.T) {
+	var v ec2.RouteTable
+
+	testCheck := func(*terraform.State) error {
+		// Expect 3: 2 IPv6 (local + all outbound) + 1 IPv4
+		if len(v.Routes) != 3 {
+			return fmt.Errorf("bad routes: %#v", v.Routes)
+		}
+
+		return nil
+	}
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:      func() { testAccPreCheck(t) },
+		IDRefreshName: "aws_route_table.foo",
+		Providers:     testAccProviders,
+		CheckDestroy:  testAccCheckRouteTableDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccRouteTableConfigIpv6,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckRouteTableExists("aws_route_table.foo", &v),
+					testCheck,
+				),
+			},
+		},
+	})
+}
+
 func TestAccAWSRouteTable_tags(t *testing.T) {
 	var route_table ec2.RouteTable
 
@@ -134,7 +163,7 @@ func TestAccAWSRouteTable_tags(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckRouteTableDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccRouteTableConfigTags,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists("aws_route_table.foo", &route_table),
@@ -142,7 +171,7 @@ func TestAccAWSRouteTable_tags(t *testing.T) {
 				),
 			},
 
-			resource.TestStep{
+			{
 				Config: testAccRouteTableConfigTagsUpdate,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists("aws_route_table.foo", &route_table),
@@ -244,7 +273,7 @@ func TestAccAWSRouteTable_vpcPeering(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckRouteTableDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccRouteTableVpcPeeringConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(
@@ -285,7 +314,7 @@ func TestAccAWSRouteTable_vgwRoutePropagation(t *testing.T) {
 			testAccCheckRouteTableDestroy,
 		),
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccRouteTableVgwRoutePropagationConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRouteTableExists(
@@ -342,6 +371,26 @@ resource "aws_route_table" "foo" {
 }
 `
 
+const testAccRouteTableConfigIpv6 = `
+resource "aws_vpc" "foo" {
+  cidr_block = "10.1.0.0/16"
+  assign_generated_ipv6_cidr_block = true
+}
+
+resource "aws_egress_only_internet_gateway" "foo" {
+	vpc_id = "${aws_vpc.foo.id}"
+}
+
+resource "aws_route_table" "foo" {
+	vpc_id = "${aws_vpc.foo.id}"
+
+	route {
+		ipv6_cidr_block = "::/0"
+		egress_only_gateway_id = "${aws_egress_only_internet_gateway.foo.id}"
+	}
+}
+`
+
 const testAccRouteTableConfigInstance = `
 resource "aws_vpc" "foo" {
 	cidr_block = "10.1.0.0/16"

website/source/docs/providers/aws/d/route_table.html.markdown

@@ -71,6 +71,8 @@ the selected Route Table.
 Each route supports the following:
 
 * `cidr_block` - The CIDR block of the route.
+* `ipv6_cidr_block` - The IPv6 CIDR block of the route.
+* `egress_only_gateway_id` - The ID of the Egress Only Internet Gateway.
 * `gateway_id` - The Internet Gateway ID.
 * `nat_gateway_id` - The NAT Gateway ID.
 * `instance_id` - The EC2 instance ID.

website/source/docs/providers/aws/r/route_table.html.markdown

@@ -27,6 +27,11 @@ resource "aws_route_table" "r" {
     gateway_id = "${aws_internet_gateway.main.id}"
   }
 
+  route {
+    ipv6_cidr_block = "::/0"
+    egress_only_gateway_id = "${aws_egress_only_internet_gateway.foo.id}"
+  }
+
   tags {
     Name = "main"
   }
@@ -44,7 +49,9 @@ The following arguments are supported:
 
 Each route supports the following:
 
-* `cidr_block` - (Required) The CIDR block of the route.
+* `cidr_block` - (Optional) The CIDR block of the route.
+* `ipv6_cidr_block` - Optional) The Ipv6 CIDR block of the route
+* `egress_only_gateway_id` - (Optional) The Egress Only Internet Gateway ID.
 * `gateway_id` - (Optional) The Internet Gateway ID.
 * `nat_gateway_id` - (Optional) The NAT Gateway ID.
 * `instance_id` - (Optional) The EC2 instance ID.