provider/aws: Add support for IPv6 to aws_security_group (#12655)

```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSSecurityGroup_'                                                                     ✹ ✭
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2017/03/13 19:07:33 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/aws -v -run=TestAccAWSSecurityGroup_ -timeout 120m
=== RUN   TestAccAWSSecurityGroup_importBasic
--- PASS: TestAccAWSSecurityGroup_importBasic (48.67s)
=== RUN   TestAccAWSSecurityGroup_importIpv6
--- PASS: TestAccAWSSecurityGroup_importIpv6 (51.71s)
=== RUN   TestAccAWSSecurityGroup_importSelf
--- PASS: TestAccAWSSecurityGroup_importSelf (58.46s)
=== RUN   TestAccAWSSecurityGroup_importSourceSecurityGroup
--- PASS: TestAccAWSSecurityGroup_importSourceSecurityGroup (65.99s)
=== RUN   TestAccAWSSecurityGroup_basic
--- PASS: TestAccAWSSecurityGroup_basic (62.18s)
=== RUN   TestAccAWSSecurityGroup_ipv6
--- PASS: TestAccAWSSecurityGroup_ipv6 (47.38s)
=== RUN   TestAccAWSSecurityGroup_tagsCreatedFirst
--- PASS: TestAccAWSSecurityGroup_tagsCreatedFirst (30.48s)
=== RUN   TestAccAWSSecurityGroup_namePrefix
--- PASS: TestAccAWSSecurityGroup_namePrefix (16.90s)
=== RUN   TestAccAWSSecurityGroup_self
--- PASS: TestAccAWSSecurityGroup_self (45.36s)
=== RUN   TestAccAWSSecurityGroup_vpc
--- PASS: TestAccAWSSecurityGroup_vpc (45.76s)
=== RUN   TestAccAWSSecurityGroup_vpcNegOneIngress
--- PASS: TestAccAWSSecurityGroup_vpcNegOneIngress (44.50s)
=== RUN   TestAccAWSSecurityGroup_vpcProtoNumIngress
--- PASS: TestAccAWSSecurityGroup_vpcProtoNumIngress (45.01s)
=== RUN   TestAccAWSSecurityGroup_MultiIngress
--- PASS: TestAccAWSSecurityGroup_MultiIngress (50.67s)
=== RUN   TestAccAWSSecurityGroup_Change
--- PASS: TestAccAWSSecurityGroup_Change (76.34s)
=== RUN   TestAccAWSSecurityGroup_generatedName
--- PASS: TestAccAWSSecurityGroup_generatedName (46.29s)
=== RUN   TestAccAWSSecurityGroup_DefaultEgress_VPC
--- PASS: TestAccAWSSecurityGroup_DefaultEgress_VPC (48.10s)
=== RUN   TestAccAWSSecurityGroup_DefaultEgress_Classic
--- PASS: TestAccAWSSecurityGroup_DefaultEgress_Classic (16.71s)
=== RUN   TestAccAWSSecurityGroup_drift
--- PASS: TestAccAWSSecurityGroup_drift (22.73s)
=== RUN   TestAccAWSSecurityGroup_drift_complex
--- PASS: TestAccAWSSecurityGroup_drift_complex (54.14s)
=== RUN   TestAccAWSSecurityGroup_tags
--- PASS: TestAccAWSSecurityGroup_tags (74.12s)
=== RUN   TestAccAWSSecurityGroup_CIDRandGroups
--- PASS: TestAccAWSSecurityGroup_CIDRandGroups (55.83s)
=== RUN   TestAccAWSSecurityGroup_ingressWithCidrAndSGs
--- PASS: TestAccAWSSecurityGroup_ingressWithCidrAndSGs (54.40s)
=== RUN   TestAccAWSSecurityGroup_ingressWithCidrAndSGs_classic
--- PASS: TestAccAWSSecurityGroup_ingressWithCidrAndSGs_classic (26.93s)
=== RUN   TestAccAWSSecurityGroup_egressWithPrefixList
--- PASS: TestAccAWSSecurityGroup_egressWithPrefixList (61.39s)
=== RUN   TestAccAWSSecurityGroup_failWithDiffMismatch
--- PASS: TestAccAWSSecurityGroup_failWithDiffMismatch (55.93s)
PASS
ok	github.com/hashicorp/terraform/builtin/providers/aws	1136.500s
```

builtin/providers/aws/import_aws_security_group.go

@@ -66,13 +66,20 @@ func resourceAwsSecurityGroupImportStatePerm(sg *ec2.SecurityGroup, ruleType str
 			p := &ec2.IpPermission{
 				FromPort:      perm.FromPort,
 				IpProtocol:    perm.IpProtocol,
-				IpRanges:      perm.IpRanges,
 				PrefixListIds: perm.PrefixListIds,
 				ToPort:        perm.ToPort,
 
 				UserIdGroupPairs: []*ec2.UserIdGroupPair{pair},
 			}
 
+			if perm.Ipv6Ranges != nil {
+				p.Ipv6Ranges = perm.Ipv6Ranges
+			}
+
+			if perm.IpRanges != nil {
+				p.IpRanges = perm.IpRanges
+			}
+
 			r, err := resourceAwsSecurityGroupImportStatePermPair(sg, ruleType, p)
 			if err != nil {
 				return nil, err

builtin/providers/aws/import_aws_security_group_test.go

@@ -23,11 +23,39 @@ func TestAccAWSSecurityGroup_importBasic(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig,
 			},
 
-			resource.TestStep{
+			{
+				ResourceName:     "aws_security_group.web",
+				ImportState:      true,
+				ImportStateCheck: checkFn,
+			},
+		},
+	})
+}
+
+func TestAccAWSSecurityGroup_importIpv6(t *testing.T) {
+	checkFn := func(s []*terraform.InstanceState) error {
+		// Expect 3: group, 2 rules
+		if len(s) != 3 {
+			return fmt.Errorf("expected 3 states: %#v", s)
+		}
+
+		return nil
+	}
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAWSSecurityGroupConfigIpv6,
+			},
+
+			{
 				ResourceName:     "aws_security_group.web",
 				ImportState:      true,
 				ImportStateCheck: checkFn,
@@ -42,11 +70,11 @@ func TestAccAWSSecurityGroup_importSelf(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig_importSelf,
 			},
 
-			resource.TestStep{
+			{
 				ResourceName:      "aws_security_group.allow_all",
 				ImportState:       true,
 				ImportStateVerify: true,
@@ -61,11 +89,11 @@ func TestAccAWSSecurityGroup_importSourceSecurityGroup(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig_importSourceSecurityGroup,
 			},
 
-			resource.TestStep{
+			{
 				ResourceName:      "aws_security_group.test_group_1",
 				ImportState:       true,
 				ImportStateVerify: true,

builtin/providers/aws/resource_aws_security_group.go

@@ -28,7 +28,7 @@ func resourceAwsSecurityGroup() *schema.Resource {
 		},
 
 		Schema: map[string]*schema.Schema{
-			"name": &schema.Schema{
+			"name": {
 				Type:          schema.TypeString,
 				Optional:      true,
 				Computed:      true,
@@ -44,7 +44,7 @@ func resourceAwsSecurityGroup() *schema.Resource {
 				},
 			},
 
-			"name_prefix": &schema.Schema{
+			"name_prefix": {
 				Type:     schema.TypeString,
 				Optional: true,
 				ForceNew: true,
@@ -58,7 +58,7 @@ func resourceAwsSecurityGroup() *schema.Resource {
 				},
 			},
 
-			"description": &schema.Schema{
+			"description": {
 				Type:     schema.TypeString,
 				Optional: true,
 				ForceNew: true,
@@ -73,49 +73,55 @@ func resourceAwsSecurityGroup() *schema.Resource {
 				},
 			},
 
-			"vpc_id": &schema.Schema{
+			"vpc_id": {
 				Type:     schema.TypeString,
 				Optional: true,
 				ForceNew: true,
 				Computed: true,
 			},
 
-			"ingress": &schema.Schema{
+			"ingress": {
 				Type:     schema.TypeSet,
 				Optional: true,
 				Computed: true,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
-						"from_port": &schema.Schema{
+						"from_port": {
 							Type:     schema.TypeInt,
 							Required: true,
 						},
 
-						"to_port": &schema.Schema{
+						"to_port": {
 							Type:     schema.TypeInt,
 							Required: true,
 						},
 
-						"protocol": &schema.Schema{
+						"protocol": {
 							Type:      schema.TypeString,
 							Required:  true,
 							StateFunc: protocolStateFunc,
 						},
 
-						"cidr_blocks": &schema.Schema{
+						"cidr_blocks": {
 							Type:     schema.TypeList,
 							Optional: true,
 							Elem:     &schema.Schema{Type: schema.TypeString},
 						},
 
-						"security_groups": &schema.Schema{
+						"ipv6_cidr_blocks": {
+							Type:     schema.TypeList,
+							Optional: true,
+							Elem:     &schema.Schema{Type: schema.TypeString},
+						},
+
+						"security_groups": {
 							Type:     schema.TypeSet,
 							Optional: true,
 							Elem:     &schema.Schema{Type: schema.TypeString},
 							Set:      schema.HashString,
 						},
 
-						"self": &schema.Schema{
+						"self": {
 							Type:     schema.TypeBool,
 							Optional: true,
 							Default:  false,
@@ -125,48 +131,54 @@ func resourceAwsSecurityGroup() *schema.Resource {
 				Set: resourceAwsSecurityGroupRuleHash,
 			},
 
-			"egress": &schema.Schema{
+			"egress": {
 				Type:     schema.TypeSet,
 				Optional: true,
 				Computed: true,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
-						"from_port": &schema.Schema{
+						"from_port": {
 							Type:     schema.TypeInt,
 							Required: true,
 						},
 
-						"to_port": &schema.Schema{
+						"to_port": {
 							Type:     schema.TypeInt,
 							Required: true,
 						},
 
-						"protocol": &schema.Schema{
+						"protocol": {
 							Type:      schema.TypeString,
 							Required:  true,
 							StateFunc: protocolStateFunc,
 						},
 
-						"cidr_blocks": &schema.Schema{
+						"cidr_blocks": {
 							Type:     schema.TypeList,
 							Optional: true,
 							Elem:     &schema.Schema{Type: schema.TypeString},
 						},
 
-						"prefix_list_ids": &schema.Schema{
+						"ipv6_cidr_blocks": {
 							Type:     schema.TypeList,
 							Optional: true,
 							Elem:     &schema.Schema{Type: schema.TypeString},
 						},
 
-						"security_groups": &schema.Schema{
+						"prefix_list_ids": {
+							Type:     schema.TypeList,
+							Optional: true,
+							Elem:     &schema.Schema{Type: schema.TypeString},
+						},
+
+						"security_groups": {
 							Type:     schema.TypeSet,
 							Optional: true,
 							Elem:     &schema.Schema{Type: schema.TypeString},
 							Set:      schema.HashString,
 						},
 
-						"self": &schema.Schema{
+						"self": {
 							Type:     schema.TypeBool,
 							Optional: true,
 							Default:  false,
@@ -176,7 +188,7 @@ func resourceAwsSecurityGroup() *schema.Resource {
 				Set: resourceAwsSecurityGroupRuleHash,
 			},
 
-			"owner_id": &schema.Schema{
+			"owner_id": {
 				Type:     schema.TypeString,
 				Computed: true,
 			},
@@ -252,11 +264,11 @@ func resourceAwsSecurityGroupCreate(d *schema.ResourceData, meta interface{}) er
 		req := &ec2.RevokeSecurityGroupEgressInput{
 			GroupId: createResp.GroupId,
 			IpPermissions: []*ec2.IpPermission{
-				&ec2.IpPermission{
+				{
 					FromPort: aws.Int64(int64(0)),
 					ToPort:   aws.Int64(int64(0)),
 					IpRanges: []*ec2.IpRange{
-						&ec2.IpRange{
+						{
 							CidrIp: aws.String("0.0.0.0/0"),
 						},
 					},
@@ -412,6 +424,18 @@ func resourceAwsSecurityGroupRuleHash(v interface{}) int {
 			buf.WriteString(fmt.Sprintf("%s-", v))
 		}
 	}
+	if v, ok := m["ipv6_cidr_blocks"]; ok {
+		vs := v.([]interface{})
+		s := make([]string, len(vs))
+		for i, raw := range vs {
+			s[i] = raw.(string)
+		}
+		sort.Strings(s)
+
+		for _, v := range s {
+			buf.WriteString(fmt.Sprintf("%s-", v))
+		}
+	}
 	if v, ok := m["prefix_list_ids"]; ok {
 		vs := v.([]interface{})
 		s := make([]string, len(vs))
@@ -476,6 +500,20 @@ func resourceAwsSecurityGroupIPPermGather(groupId string, permissions []*ec2.IpP
 			m["cidr_blocks"] = list
 		}
 
+		if len(perm.Ipv6Ranges) > 0 {
+			raw, ok := m["ipv6_cidr_blocks"]
+			if !ok {
+				raw = make([]string, 0, len(perm.Ipv6Ranges))
+			}
+			list := raw.([]string)
+
+			for _, ip := range perm.Ipv6Ranges {
+				list = append(list, *ip.CidrIpv6)
+			}
+
+			m["ipv6_cidr_blocks"] = list
+		}
+
 		if len(perm.PrefixListIds) > 0 {
 			raw, ok := m["prefix_list_ids"]
 			if !ok {
@@ -699,8 +737,9 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 			// local rule we're examining
 			rHash := idHash(rType, r["protocol"].(string), r["to_port"].(int64), r["from_port"].(int64), remoteSelfVal)
 			if rHash == localHash {
-				var numExpectedCidrs, numExpectedPrefixLists, numExpectedSGs, numRemoteCidrs, numRemotePrefixLists, numRemoteSGs int
+				var numExpectedCidrs, numExpectedIpv6Cidrs, numExpectedPrefixLists, numExpectedSGs, numRemoteCidrs, numRemoteIpv6Cidrs, numRemotePrefixLists, numRemoteSGs int
 				var matchingCidrs []string
+				var matchingIpv6Cidrs []string
 				var matchingSGs []string
 				var matchingPrefixLists []string
 
@@ -710,6 +749,10 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 				if ok {
 					numExpectedCidrs = len(l["cidr_blocks"].([]interface{}))
 				}
+				liRaw, ok := l["ipv6_cidr_blocks"]
+				if ok {
+					numExpectedIpv6Cidrs = len(l["ipv6_cidr_blocks"].([]interface{}))
+				}
 				lpRaw, ok := l["prefix_list_ids"]
 				if ok {
 					numExpectedPrefixLists = len(l["prefix_list_ids"].([]interface{}))
@@ -723,6 +766,10 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 				if ok {
 					numRemoteCidrs = len(r["cidr_blocks"].([]string))
 				}
+				riRaw, ok := r["ipv6_cidr_blocks"]
+				if ok {
+					numRemoteIpv6Cidrs = len(r["ipv6_cidr_blocks"].([]string))
+				}
 				rpRaw, ok := r["prefix_list_ids"]
 				if ok {
 					numRemotePrefixLists = len(r["prefix_list_ids"].([]string))
@@ -738,6 +785,10 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 					log.Printf("[DEBUG] Local rule has more CIDR blocks, continuing (%d/%d)", numExpectedCidrs, numRemoteCidrs)
 					continue
 				}
+				if numExpectedIpv6Cidrs > numRemoteIpv6Cidrs {
+					log.Printf("[DEBUG] Local rule has more IPV6 CIDR blocks, continuing (%d/%d)", numExpectedIpv6Cidrs, numRemoteIpv6Cidrs)
+					continue
+				}
 				if numExpectedPrefixLists > numRemotePrefixLists {
 					log.Printf("[DEBUG] Local rule has more prefix lists, continuing (%d/%d)", numExpectedPrefixLists, numRemotePrefixLists)
 					continue
@@ -775,6 +826,29 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 					}
 				}
 
+				//IPV6 CIDRs
+				var localIpv6Cidrs []interface{}
+				if liRaw != nil {
+					localIpv6Cidrs = liRaw.([]interface{})
+				}
+				localIpv6CidrSet := schema.NewSet(schema.HashString, localIpv6Cidrs)
+
+				var remoteIpv6Cidrs []string
+				if riRaw != nil {
+					remoteIpv6Cidrs = riRaw.([]string)
+				}
+				var listIpv6 []interface{}
+				for _, s := range remoteIpv6Cidrs {
+					listIpv6 = append(listIpv6, s)
+				}
+				remoteIpv6CidrSet := schema.NewSet(schema.HashString, listIpv6)
+
+				for _, s := range localIpv6CidrSet.List() {
+					if remoteIpv6CidrSet.Contains(s) {
+						matchingIpv6Cidrs = append(matchingIpv6Cidrs, s.(string))
+					}
+				}
+
 				// match prefix lists by converting both to sets, and using Set methods
 				var localPrefixLists []interface{}
 				if lpRaw != nil {
@@ -830,6 +904,7 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 				// match, and then remove those elements from the remote rule, so that
 				// this remote rule can still be considered by other local rules
 				if numExpectedCidrs == len(matchingCidrs) {
+					if numExpectedIpv6Cidrs == len(matchingIpv6Cidrs) {
 						if numExpectedPrefixLists == len(matchingPrefixLists) {
 							if numExpectedSGs == len(matchingSGs) {
 								// confirm that self references match
@@ -857,6 +932,21 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 										delete(r, "cidr_blocks")
 									}
 
+									//// IPV6
+									//// Comparison
+									diffIpv6Cidr := remoteIpv6CidrSet.Difference(localIpv6CidrSet)
+									var newIpv6Cidr []string
+									for _, cRaw := range diffIpv6Cidr.List() {
+										newIpv6Cidr = append(newIpv6Cidr, cRaw.(string))
+									}
+
+									// reassigning
+									if len(newIpv6Cidr) > 0 {
+										r["ipv6_cidr_blocks"] = newIpv6Cidr
+									} else {
+										delete(r, "ipv6_cidr_blocks")
+									}
+
 									// pop local prefix lists from remote
 									diffPrefixLists := remotePrefixListsSet.Difference(localPrefixListsSet)
 									var newPrefixLists []string
@@ -883,20 +973,24 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 								}
 							}
 						}
-				}
-			}
-		}
-	}
 
+					}
+				}
+			}
+		}
+	}
 	// Here we catch any remote rules that have not been stripped of all self,
 	// cidrs, and security groups. We'll add remote rules here that have not been
 	// matched locally, and let the graph sort things out. This will happen when
 	// rules are added externally to Terraform
 	for _, r := range remote {
-		var lenCidr, lenPrefixLists, lenSGs int
+		var lenCidr, lenIpv6Cidr, lenPrefixLists, lenSGs int
 		if rCidrs, ok := r["cidr_blocks"]; ok {
 			lenCidr = len(rCidrs.([]string))
 		}
+		if rIpv6Cidrs, ok := r["ipv6_cidr_blocks"]; ok {
+			lenIpv6Cidr = len(rIpv6Cidrs.([]string))
+		}
 		if rPrefixLists, ok := r["prefix_list_ids"]; ok {
 			lenPrefixLists = len(rPrefixLists.([]string))
 		}
@@ -910,7 +1004,7 @@ func matchRules(rType string, local []interface{}, remote []map[string]interface
 			}
 		}
 
-		if lenSGs+lenCidr+lenPrefixLists > 0 {
+		if lenSGs+lenCidr+lenIpv6Cidr+lenPrefixLists > 0 {
 			log.Printf("[DEBUG] Found a remote Rule that wasn't empty: (%#v)", r)
 			saves = append(saves, r)
 		}
@@ -1003,15 +1097,15 @@ func deleteLingeringLambdaENIs(conn *ec2.EC2, d *schema.ResourceData) error {
 	// Here we carefully find the offenders
 	params := &ec2.DescribeNetworkInterfacesInput{
 		Filters: []*ec2.Filter{
-			&ec2.Filter{
+			{
 				Name:   aws.String("group-id"),
 				Values: []*string{aws.String(d.Id())},
 			},
-			&ec2.Filter{
+			{
 				Name:   aws.String("description"),
 				Values: []*string{aws.String("AWS Lambda VPC ENI: *")},
 			},
-			&ec2.Filter{
+			{
 				Name:   aws.String("requester-id"),
 				Values: []*string{aws.String("*:awslambda_*")},
 			},

builtin/providers/aws/resource_aws_security_group_test.go

@@ -135,54 +135,54 @@ func TestProtocolForValue(t *testing.T) {
 
 func TestResourceAwsSecurityGroupIPPermGather(t *testing.T) {
 	raw := []*ec2.IpPermission{
-		&ec2.IpPermission{
+		{
 			IpProtocol: aws.String("tcp"),
 			FromPort:   aws.Int64(int64(1)),
 			ToPort:     aws.Int64(int64(-1)),
-			IpRanges:   []*ec2.IpRange{&ec2.IpRange{CidrIp: aws.String("0.0.0.0/0")}},
+			IpRanges:   []*ec2.IpRange{{CidrIp: aws.String("0.0.0.0/0")}},
 			UserIdGroupPairs: []*ec2.UserIdGroupPair{
-				&ec2.UserIdGroupPair{
+				{
 					GroupId: aws.String("sg-11111"),
 				},
 			},
 		},
-		&ec2.IpPermission{
+		{
 			IpProtocol: aws.String("tcp"),
 			FromPort:   aws.Int64(int64(80)),
 			ToPort:     aws.Int64(int64(80)),
 			UserIdGroupPairs: []*ec2.UserIdGroupPair{
 				// VPC
-				&ec2.UserIdGroupPair{
+				{
 					GroupId: aws.String("sg-22222"),
 				},
 			},
 		},
-		&ec2.IpPermission{
+		{
 			IpProtocol: aws.String("tcp"),
 			FromPort:   aws.Int64(int64(443)),
 			ToPort:     aws.Int64(int64(443)),
 			UserIdGroupPairs: []*ec2.UserIdGroupPair{
 				// Classic
-				&ec2.UserIdGroupPair{
+				{
 					UserId:    aws.String("12345"),
 					GroupId:   aws.String("sg-33333"),
 					GroupName: aws.String("ec2_classic"),
 				},
-				&ec2.UserIdGroupPair{
+				{
 					UserId:    aws.String("amazon-elb"),
 					GroupId:   aws.String("sg-d2c979d3"),
 					GroupName: aws.String("amazon-elb-sg"),
 				},
 			},
 		},
-		&ec2.IpPermission{
+		{
 			IpProtocol:    aws.String("-1"),
 			FromPort:      aws.Int64(int64(0)),
 			ToPort:        aws.Int64(int64(0)),
-			PrefixListIds: []*ec2.PrefixListId{&ec2.PrefixListId{PrefixListId: aws.String("pl-12345678")}},
+			PrefixListIds: []*ec2.PrefixListId{{PrefixListId: aws.String("pl-12345678")}},
 			UserIdGroupPairs: []*ec2.UserIdGroupPair{
 				// VPC
-				&ec2.UserIdGroupPair{
+				{
 					GroupId: aws.String("sg-22222"),
 				},
 			},
@@ -190,14 +190,14 @@ func TestResourceAwsSecurityGroupIPPermGather(t *testing.T) {
 	}
 
 	local := []map[string]interface{}{
-		map[string]interface{}{
+		{
 			"protocol":    "tcp",
 			"from_port":   int64(1),
 			"to_port":     int64(-1),
 			"cidr_blocks": []string{"0.0.0.0/0"},
 			"self":        true,
 		},
-		map[string]interface{}{
+		{
 			"protocol":  "tcp",
 			"from_port": int64(80),
 			"to_port":   int64(80),
@@ -205,7 +205,7 @@ func TestResourceAwsSecurityGroupIPPermGather(t *testing.T) {
 				"sg-22222",
 			}),
 		},
-		map[string]interface{}{
+		{
 			"protocol":  "tcp",
 			"from_port": int64(443),
 			"to_port":   int64(443),
@@ -214,7 +214,7 @@ func TestResourceAwsSecurityGroupIPPermGather(t *testing.T) {
 				"amazon-elb/amazon-elb-sg",
 			}),
 		},
-		map[string]interface{}{
+		{
 			"protocol":        "-1",
 			"from_port":       int64(0),
 			"to_port":         int64(0),
@@ -263,7 +263,7 @@ func TestAccAWSSecurityGroup_basic(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -288,6 +288,39 @@ func TestAccAWSSecurityGroup_basic(t *testing.T) {
 	})
 }
 
+func TestAccAWSSecurityGroup_ipv6(t *testing.T) {
+	var group ec2.SecurityGroup
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:      func() { testAccPreCheck(t) },
+		IDRefreshName: "aws_security_group.web",
+		Providers:     testAccProviders,
+		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAWSSecurityGroupConfigIpv6,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
+					resource.TestCheckResourceAttr(
+						"aws_security_group.web", "name", "terraform_acceptance_test_example"),
+					resource.TestCheckResourceAttr(
+						"aws_security_group.web", "description", "Used in the terraform acceptance tests"),
+					resource.TestCheckResourceAttr(
+						"aws_security_group.web", "ingress.2293451516.protocol", "tcp"),
+					resource.TestCheckResourceAttr(
+						"aws_security_group.web", "ingress.2293451516.from_port", "80"),
+					resource.TestCheckResourceAttr(
+						"aws_security_group.web", "ingress.2293451516.to_port", "8000"),
+					resource.TestCheckResourceAttr(
+						"aws_security_group.web", "ingress.2293451516.ipv6_cidr_blocks.#", "1"),
+					resource.TestCheckResourceAttr(
+						"aws_security_group.web", "ingress.2293451516.ipv6_cidr_blocks.0", "::/0"),
+				),
+			},
+		},
+	})
+}
+
 func TestAccAWSSecurityGroup_tagsCreatedFirst(t *testing.T) {
 	var group ec2.SecurityGroup
 
@@ -296,7 +329,7 @@ func TestAccAWSSecurityGroup_tagsCreatedFirst(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config:      testAccAWSSecurityGroupConfigForTagsOrdering,
 				ExpectError: regexp.MustCompile("InvalidParameterValue"),
 				Check: resource.ComposeTestCheckFunc(
@@ -318,7 +351,7 @@ func TestAccAWSSecurityGroup_namePrefix(t *testing.T) {
 		Providers:       testAccProviders,
 		CheckDestroy:    testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupPrefixNameConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.baz", &group),
@@ -353,7 +386,7 @@ func TestAccAWSSecurityGroup_self(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigSelf,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -393,7 +426,7 @@ func TestAccAWSSecurityGroup_vpc(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigVpc,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -446,7 +479,7 @@ func TestAccAWSSecurityGroup_vpcNegOneIngress(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigVpcNegOneIngress,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -488,7 +521,7 @@ func TestAccAWSSecurityGroup_vpcProtoNumIngress(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigVpcProtoNumIngress,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -521,7 +554,7 @@ func TestAccAWSSecurityGroup_MultiIngress(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigMultiIngress,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -540,13 +573,13 @@ func TestAccAWSSecurityGroup_Change(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
 				),
 			},
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigChange,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -566,7 +599,7 @@ func TestAccAWSSecurityGroup_generatedName(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig_generatedName,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -596,7 +629,7 @@ func TestAccAWSSecurityGroup_DefaultEgress_VPC(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigDefaultEgress,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExistsWithoutDefault("aws_security_group.worker"),
@@ -616,7 +649,7 @@ func TestAccAWSSecurityGroup_DefaultEgress_Classic(t *testing.T) {
 		Providers:     testAccProviders,
 		CheckDestroy:  testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigClassic,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -634,7 +667,7 @@ func TestAccAWSSecurityGroup_drift(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig_drift(),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -664,7 +697,7 @@ func TestAccAWSSecurityGroup_drift_complex(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig_drift_complex(),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -773,7 +806,7 @@ func testAccCheckAWSSecurityGroupAttributes(group *ec2.SecurityGroup) resource.T
 			FromPort:   aws.Int64(80),
 			ToPort:     aws.Int64(8000),
 			IpProtocol: aws.String("tcp"),
-			IpRanges:   []*ec2.IpRange{&ec2.IpRange{CidrIp: aws.String("10.0.0.0/8")}},
+			IpRanges:   []*ec2.IpRange{{CidrIp: aws.String("10.0.0.0/8")}},
 		}
 
 		if *group.GroupName != "terraform_acceptance_test_example" {
@@ -804,7 +837,7 @@ func testAccCheckAWSSecurityGroupAttributesNegOneProtocol(group *ec2.SecurityGro
 	return func(s *terraform.State) error {
 		p := &ec2.IpPermission{
 			IpProtocol: aws.String("-1"),
-			IpRanges:   []*ec2.IpRange{&ec2.IpRange{CidrIp: aws.String("10.0.0.0/8")}},
+			IpRanges:   []*ec2.IpRange{{CidrIp: aws.String("10.0.0.0/8")}},
 		}
 
 		if *group.GroupName != "terraform_acceptance_test_example" {
@@ -839,7 +872,7 @@ func TestAccAWSSecurityGroup_tags(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigTags,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.foo", &group),
@@ -847,7 +880,7 @@ func TestAccAWSSecurityGroup_tags(t *testing.T) {
 				),
 			},
 
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigTagsUpdate,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.foo", &group),
@@ -868,7 +901,7 @@ func TestAccAWSSecurityGroup_CIDRandGroups(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupCombindCIDRandGroups,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.mixed", &group),
@@ -887,7 +920,7 @@ func TestAccAWSSecurityGroup_ingressWithCidrAndSGs(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig_ingressWithCidrAndSGs,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -913,7 +946,7 @@ func TestAccAWSSecurityGroup_ingressWithCidrAndSGs_classic(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig_ingressWithCidrAndSGs_classic,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.web", &group),
@@ -938,7 +971,7 @@ func TestAccAWSSecurityGroup_egressWithPrefixList(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfigPrefixListEgress,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.egress", &group),
@@ -1016,21 +1049,21 @@ func testAccCheckAWSSecurityGroupPrefixListAttributes(group *ec2.SecurityGroup)
 func testAccCheckAWSSecurityGroupAttributesChanged(group *ec2.SecurityGroup) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		p := []*ec2.IpPermission{
-			&ec2.IpPermission{
+			{
 				FromPort:   aws.Int64(80),
 				ToPort:     aws.Int64(9000),
 				IpProtocol: aws.String("tcp"),
-				IpRanges:   []*ec2.IpRange{&ec2.IpRange{CidrIp: aws.String("10.0.0.0/8")}},
+				IpRanges:   []*ec2.IpRange{{CidrIp: aws.String("10.0.0.0/8")}},
 			},
-			&ec2.IpPermission{
+			{
 				FromPort:   aws.Int64(80),
 				ToPort:     aws.Int64(8000),
 				IpProtocol: aws.String("tcp"),
 				IpRanges: []*ec2.IpRange{
-					&ec2.IpRange{
+					{
 						CidrIp: aws.String("0.0.0.0/0"),
 					},
-					&ec2.IpRange{
+					{
 						CidrIp: aws.String("10.0.0.0/8"),
 					},
 				},
@@ -1109,7 +1142,7 @@ func TestAccAWSSecurityGroup_failWithDiffMismatch(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSSecurityGroupDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSSecurityGroupConfig_failWithDiffMismatch,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSSecurityGroupExists("aws_security_group.nat", &group),
@@ -1148,6 +1181,36 @@ resource "aws_security_group" "web" {
 	}
 }`
 
+const testAccAWSSecurityGroupConfigIpv6 = `
+resource "aws_vpc" "foo" {
+  cidr_block = "10.1.0.0/16"
+}
+
+resource "aws_security_group" "web" {
+  name = "terraform_acceptance_test_example"
+  description = "Used in the terraform acceptance tests"
+  vpc_id = "${aws_vpc.foo.id}"
+
+  ingress {
+    protocol = "6"
+    from_port = 80
+    to_port = 8000
+    ipv6_cidr_blocks = ["::/0"]
+  }
+
+  egress {
+    protocol = "tcp"
+    from_port = 80
+    to_port = 8000
+    ipv6_cidr_blocks = ["::/0"]
+  }
+
+	tags {
+		Name = "tf-acc-test"
+	}
+}
+`
+
 const testAccAWSSecurityGroupConfig = `
 resource "aws_vpc" "foo" {
   cidr_block = "10.1.0.0/16"

builtin/providers/aws/structure.go

@@ -216,6 +216,12 @@ func expandIPPerms(
 				perm.IpRanges = append(perm.IpRanges, &ec2.IpRange{CidrIp: aws.String(v.(string))})
 			}
 		}
+		if raw, ok := m["ipv6_cidr_blocks"]; ok {
+			list := raw.([]interface{})
+			for _, v := range list {
+				perm.Ipv6Ranges = append(perm.Ipv6Ranges, &ec2.Ipv6Range{CidrIpv6: aws.String(v.(string))})
+			}
+		}
 
 		if raw, ok := m["prefix_list_ids"]; ok {
 			list := raw.([]interface{})

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

@@ -85,6 +85,7 @@ assign a random, unique name
 The `ingress` block supports:
 
 * `cidr_blocks` - (Optional) List of CIDR blocks.
+* `ipv6_cidr_blocks` - (Optional) List of IPv6 CIDR blocks.
 * `from_port` - (Required) The start port (or ICMP type number if protocol is "icmp")
 * `protocol` - (Required) The protocol. If you select a protocol of
 "-1" (semantically equivalent to `"all"`, which is not a valid value here), you must specify a "from_port" and "to_port" equal to 0. If not icmp, tcp, udp, or "-1" use the [protocol number](https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml)
@@ -97,6 +98,7 @@ The `ingress` block supports:
 The `egress` block supports:
 
 * `cidr_blocks` - (Optional) List of CIDR blocks.
+* `ipv6_cidr_blocks` - (Optional) List of IPv6 CIDR blocks.
 * `prefix_list_ids` - (Optional) List of prefix list IDs (for allowing access to VPC endpoints)
 * `from_port` - (Required) The start port (or ICMP type number if protocol is "icmp")
 * `protocol` - (Required) The protocol. If you select a protocol of