Add dual-stack IP support

DESIGN.md

@@ -77,8 +77,12 @@ type Resource struct {
 	ID string `json:"id,omitempty"`
 	// PublicIPv4 is the public ipv4 address of the instance.
 	PublicIPv4 string `json:"public_ipv4,omitempty"`
+	// PublicIPv6 is the public ipv6 address of the instance.
+	PublicIPv6 string `json:"public_ipv6,omitempty"`
 	// PrivateIpv4 is the private ipv4 address of the instance
 	PrivateIpv4 string `json:"private_ipv4,omitempty"`
+	// PrivateIpv6 is the private ipv6 address of the instance
+	PrivateIpv6 string `json:"private_ipv6,omitempty"`
 	// DNSName is the DNS name of the resource
 	DNSName string `json:"dns_name,omitempty"`
 }

internal/runner/runner.go

@@ -108,9 +108,15 @@ func (r *Runner) Enumerate() {
 					if instance.PrivateIpv4 != "" {
 						ipCount++
 					}
+					if instance.PrivateIpv6 != "" {
+						ipCount++
+					}
 					if instance.PublicIPv4 != "" {
 						ipCount++
 					}
+					if instance.PublicIPv6 != "" {
+						ipCount++
+					}
 					gologger.Silent().Msgf("%s", builder.String())
 					builder.Reset()
 				}
@@ -137,6 +143,14 @@ func (r *Runner) Enumerate() {
 					builder.Reset()
 					gologger.Silent().Msgf("%s", instance.PublicIPv4)
 				}
+				if instance.PublicIPv6 != "" {
+					ipCount++
+					builder.WriteString(instance.PublicIPv6)
+					builder.WriteRune('\n')
+					output.WriteString(builder.String()) //nolint
+					builder.Reset()
+					gologger.Silent().Msgf("%s", instance.PublicIPv6)
+				}
 				if instance.PrivateIpv4 != "" && !r.options.ExcludePrivate {
 					ipCount++
 					builder.WriteString(instance.PrivateIpv4)
@@ -145,6 +159,14 @@ func (r *Runner) Enumerate() {
 					builder.Reset()
 					gologger.Silent().Msgf("%s", instance.PrivateIpv4)
 				}
+				if instance.PrivateIpv6 != "" && !r.options.ExcludePrivate {
+					ipCount++
+					builder.WriteString(instance.PrivateIpv6)
+					builder.WriteRune('\n')
+					output.WriteString(builder.String()) //nolint
+					builder.Reset()
+					gologger.Silent().Msgf("%s", instance.PrivateIpv6)
+				}
 				continue
 			}
 
@@ -164,6 +186,14 @@ func (r *Runner) Enumerate() {
 				builder.Reset()
 				gologger.Silent().Msgf("%s", instance.PublicIPv4)
 			}
+			if instance.PublicIPv6 != "" {
+				ipCount++
+				builder.WriteString(instance.PublicIPv6)
+				builder.WriteRune('\n')
+				output.WriteString(builder.String()) //nolint
+				builder.Reset()
+				gologger.Silent().Msgf("%s", instance.PublicIPv6)
+			}
 			if instance.PrivateIpv4 != "" && !r.options.ExcludePrivate {
 				ipCount++
 				builder.WriteString(instance.PrivateIpv4)
@@ -172,6 +202,14 @@ func (r *Runner) Enumerate() {
 				builder.Reset()
 				gologger.Silent().Msgf("%s", instance.PrivateIpv4)
 			}
+			if instance.PrivateIpv6 != "" && !r.options.ExcludePrivate {
+				ipCount++
+				builder.WriteString(instance.PrivateIpv6)
+				builder.WriteRune('\n')
+				output.WriteString(builder.String()) //nolint
+				builder.Reset()
+				gologger.Silent().Msgf("%s", instance.PrivateIpv6)
+			}
 		}
 		logBuilder := &strings.Builder{}
 		if hostsCount != 0 {

pkg/providers/arvancloud/dns.go

@@ -43,14 +43,21 @@ func (d *dnsProvider) GetResource(ctx context.Context) (*schema.Resources, error
 
 			for _, record := range arrayRecord.GetValue() {
 				if v, ok := record.(map[string]interface{}); ok {
-					list.Append(&schema.Resource{
-						Public:     true,
-						Provider:   providerName,
-						DNSName:    fmt.Sprintf("%s.%s", arrayRecord.GetName(), domain.GetName()),
-						PublicIPv4: v["ip"].(string),
-						ID:         d.id,
-						Service:    d.name(),
-					})
+					resource := &schema.Resource{
+						Public:   true,
+						Provider: providerName,
+						DNSName:  fmt.Sprintf("%s.%s", arrayRecord.GetName(), domain.GetName()),
+						ID:       d.id,
+						Service:  d.name(),
+					}
+
+					if arrayRecord.GetType() == "a" {
+						resource.PublicIPv4 = v["ip"].(string)
+					} else {
+						resource.PublicIPv6 = v["ip"].(string)
+					}
+
+					list.Append(resource)
 				} else {
 					return nil, errors.Wrap(err, fmt.Sprintf("could not get ip for `%s` record", arrayRecord.GetName()))
 				}

pkg/providers/aws/ecs.go

@@ -125,25 +125,27 @@ func (ep *ecsProvider) listECSResources(ecsClient *ecs.ECS, ec2Client *ec2.EC2)
 
 								for _, reservation := range describeInstancesOutput.Reservations {
 									for _, instance := range reservation.Instances {
-										privateIP := aws.StringValue(instance.PrivateIpAddress)
-										publicIP := aws.StringValue(instance.PublicIpAddress)
+										ip4 := aws.StringValue(instance.PublicIpAddress)
+										ip6 := aws.StringValue(instance.Ipv6Address)
+										privateIp4 := aws.StringValue(instance.PrivateIpAddress)
 
-										if privateIP != "" {
+										if privateIp4 != "" {
 											resource := &schema.Resource{
 												ID:          aws.StringValue(instance.InstanceId),
 												Provider:    "aws",
-												PrivateIpv4: privateIP,
+												PrivateIpv4: privateIp4,
 												Public:      false,
 												Service:     ep.name(),
 											}
 											list.Append(resource)
 										}
 
-										if publicIP != "" {
+										if ip4 != "" || ip6 != "" {
 											resource := &schema.Resource{
 												ID:         aws.StringValue(instance.InstanceId),
 												Provider:   "aws",
-												PublicIPv4: publicIP,
+												PublicIPv4: ip4,
+												PublicIPv6: ip6,
 												Public:     true,
 												Service:    ep.name(),
 											}

pkg/providers/aws/instances.go

@@ -64,6 +64,7 @@ func (i *instanceProvider) getEC2Resources(ec2Client *ec2.EC2) (*schema.Resource
 		for _, reservation := range resp.Reservations {
 			for _, instance := range reservation.Instances {
 				ip4 := aws.StringValue(instance.PublicIpAddress)
+				ip6 := aws.StringValue(instance.Ipv6Address)
 				privateIp4 := aws.StringValue(instance.PrivateIpAddress)
 
 				if privateIp4 != "" {
@@ -79,6 +80,7 @@ func (i *instanceProvider) getEC2Resources(ec2Client *ec2.EC2) (*schema.Resource
 					ID:         i.options.Id,
 					Provider:   providerName,
 					PublicIPv4: ip4,
+					PublicIPv6: ip6,
 					Public:     true,
 					Service:    i.name(),
 				})

pkg/providers/aws/lightsail.go

@@ -69,6 +69,11 @@ func (l *lightsailProvider) listListsailResources(lsClient *lightsail.Lightsail)
 				Public:      publicIPv4 != "",
 				Service:     l.name(),
 			}
+
+			if len(instance.Ipv6Addresses) > 0 {
+				resource.PublicIPv6 = aws.StringValue(instance.Ipv6Addresses[0])
+			}
+
 			list.Append(resource)
 		}
 		if aws.StringValue(resp.NextPageToken) == "" {

pkg/providers/aws/route53.go

@@ -88,9 +88,9 @@ func (r *route53Provider) listResourcesByZone(zones []*route53.HostedZone, clien
 				}
 				name := strings.TrimSuffix(*item.Name, ".")
 
-				var ip4 string
+				var record string
 				if len(item.ResourceRecords) >= 1 {
-					ip4 = aws.StringValue(item.ResourceRecords[0].Value)
+					record = aws.StringValue(item.ResourceRecords[0].Value)
 				}
 				list.Append(&schema.Resource{
 					ID:       r.options.Id,
@@ -99,13 +99,21 @@ func (r *route53Provider) listResourcesByZone(zones []*route53.HostedZone, clien
 					Provider: providerName,
 					Service:  r.name(),
 				})
-				list.Append(&schema.Resource{
-					ID:         r.options.Id,
-					Public:     public,
-					PublicIPv4: ip4,
-					Provider:   providerName,
-					Service:    r.name(),
-				})
+
+				resource := &schema.Resource{
+					ID:       r.options.Id,
+					Public:   public,
+					Provider: providerName,
+					Service:  r.name(),
+				}
+
+				if *item.Type == "A" {
+					resource.PublicIPv4 = record
+				} else if *item.Type == "AAAA" {
+					resource.PublicIPv6 = record
+				}
+
+				list.Append(resource)
 			}
 			if aws.BoolValue(sets.IsTruncated) && *sets.NextRecordName != "" {
 				req.SetStartRecordName(*sets.NextRecordName)

pkg/providers/azure/publicips.go

@@ -35,13 +35,21 @@ func (pip *publicIPProvider) GetResource(ctx context.Context) (*schema.Resources
 		if ip.IPAddress == nil {
 			continue
 		}
-		list.Append(&schema.Resource{
-			Provider:   providerName,
-			PublicIPv4: *ip.IPAddress,
-			ID:         pip.id,
-			Public:     true,
-			Service:    pip.name(),
-		})
+
+		resource := &schema.Resource{
+			Provider: providerName,
+			ID:       pip.id,
+			Public:   true,
+			Service:  pip.name(),
+		}
+
+		if ip.PublicIPAddressVersion == network.IPv4 {
+			resource.PublicIPv4 = *ip.IPAddress
+		} else {
+			resource.PublicIPv6 = *ip.IPAddress
+		}
+
+		list.Append(resource)
 	}
 	return list, nil
 }

pkg/providers/azure/vm.go

@@ -76,13 +76,20 @@ func (d *vmProvider) GetResource(ctx context.Context) (*schema.Resources, error)
 						continue
 					}
 
-					list.Append(&schema.Resource{
+					resource := &schema.Resource{
 						Provider:    providerName,
-						PublicIPv4:  *publicIP.IPAddress,
 						ID:          d.id,
 						PrivateIpv4: *privateIP,
-						Service:    d.name(),
-					})
+						Service:     d.name(),
+					}
+
+					if publicIP.PublicIPAddressVersion == network.IPv4 {
+						resource.PublicIPv4 = *publicIP.IPAddress
+					} else {
+						resource.PublicIPv6 = *publicIP.IPAddress
+					}
+
+					list.Append(resource)
 				}
 			}
 		}

pkg/providers/cloudflare/dns.go

@@ -47,13 +47,21 @@ func (d *dnsProvider) GetResource(ctx context.Context) (*schema.Resources, error
 			if record.Type == "CNAME" {
 				continue
 			}
-			list.Append(&schema.Resource{
-				Public:     true,
-				Provider:   providerName,
-				PublicIPv4: record.Content,
-				ID:         d.id,
-				Service:   d.name(),
-			})
+
+			resource := &schema.Resource{
+				Public:   true,
+				Provider: providerName,
+				ID:       d.id,
+				Service:  d.name(),
+			}
+
+			if record.Type == "A" {
+				resource.PublicIPv4 = record.Content
+			} else {
+				resource.PublicIPv6 = record.Content
+			}
+
+			list.Append(resource)
 		}
 	}
 	return list, nil

pkg/providers/digitalocean/instances.go

@@ -30,6 +30,7 @@ func (d *instanceProvider) GetResource(ctx context.Context) (*schema.Resources,
 
 		for _, droplet := range droplets {
 			ip4, _ := droplet.PublicIPv4()
+			ip6, _ := droplet.PublicIPv6()
 			privateIP4, _ := droplet.PrivateIPv4()
 
 			if privateIP4 != "" {
@@ -44,6 +45,7 @@ func (d *instanceProvider) GetResource(ctx context.Context) (*schema.Resources,
 				Provider:   providerName,
 				ID:         d.id,
 				PublicIPv4: ip4,
+				PublicIPv6: ip6,
 				Public:     true,
 				Service:    d.name(),
 			})

pkg/providers/gcp/dns.go

@@ -58,14 +58,21 @@ func (d *cloudDNSProvider) parseRecordsForResourceSet(r *dns.ResourceRecordSetsL
 		}
 
 		for _, data := range resource.Rrdatas {
-			list.Append(&schema.Resource{
-				DNSName:    resource.Name,
-				Public:     true,
-				PublicIPv4: data,
-				ID:         d.id,
-				Provider:   providerName,
-				Service:    d.name(),
-			})
+			dst := &schema.Resource{
+				DNSName:  resource.Name,
+				Public:   true,
+				ID:       d.id,
+				Provider: providerName,
+				Service:  d.name(),
+			}
+
+			if resource.Type == "A" {
+				dst.PublicIPv4 = data
+			} else if resource.Type == "AAAA" {
+				dst.PublicIPv6 = data
+			}
+
+			list.Append(dst)
 		}
 	}
 	return list

pkg/providers/gcp/vms.go

@@ -43,7 +43,8 @@ func (d *cloudVMProvider) GetResource(ctx context.Context) (*schema.Resources, e
 						Public:     true,
 						Provider:   providerName,
 						PublicIPv4: cfg.NatIP,
-						Service:   d.name(),
+						PublicIPv6: cfg.ExternalIpv6,
+						Service:    d.name(),
 					})
 				}
 			}

pkg/providers/hetzner/instances.go

@@ -31,8 +31,9 @@ func (p *instanceProvider) GetResource(ctx context.Context) (*schema.Resources,
 				Provider:   providerName,
 				ID:         p.id,
 				PublicIPv4: server.PublicNet.IPv4.IP.String(),
+				PublicIPv6: server.PublicNet.IPv6.IP.String(),
 				Public:     true,
-				Service:   p.name(),
+				Service:    p.name(),
 			})
 		}
 		for _, privateNet := range server.PrivateNet {

pkg/providers/linode/instances.go

@@ -36,6 +36,7 @@ func (d *instanceProvider) GetResource(ctx context.Context) (*schema.Resources,
 		list.Append(&schema.Resource{
 			Provider:   providerName,
 			PublicIPv4: ip4,
+			PublicIPv6: inst.IPv6,
 			ID:         d.id,
 			Public:     ip4 != "",
 			Service:    d.name(),