resource_dns_managed_zone.go

// ----------------------------------------------------------------------------
//
//     ***     AUTO GENERATED CODE    ***    Type: MMv1     ***
//
// ----------------------------------------------------------------------------
//
//     This file is automatically generated by Magic Modules and manual
//     changes will be clobbered when the file is regenerated.
//
//     Please read more about how to change this file in
//     .github/CONTRIBUTING.md.
//
// ----------------------------------------------------------------------------

package google

import (
	"bytes"
	"fmt"
	"log"
	"reflect"
	"strings"
	"time"

	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
	"google.golang.org/api/dns/v1"
)

func resourceDNSManagedZone() *schema.Resource {
	return &schema.Resource{
		Create: resourceDNSManagedZoneCreate,
		Read:   resourceDNSManagedZoneRead,
		Update: resourceDNSManagedZoneUpdate,
		Delete: resourceDNSManagedZoneDelete,

		Importer: &schema.ResourceImporter{
			State: resourceDNSManagedZoneImport,
		},

		Timeouts: &schema.ResourceTimeout{
			Create: schema.DefaultTimeout(20 * time.Minute),
			Update: schema.DefaultTimeout(20 * time.Minute),
			Delete: schema.DefaultTimeout(20 * time.Minute),
		},

		Schema: map[string]*schema.Schema{
			"dns_name": {
				Type:        schema.TypeString,
				Required:    true,
				ForceNew:    true,
				Description: `The DNS name of this managed zone, for instance "example.com.".`,
			},
			"name": {
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
				Description: `User assigned name for this resource.
Must be unique within the project.`,
			},
			"cloud_logging_config": {
				Type:        schema.TypeList,
				Computed:    true,
				Optional:    true,
				Description: `Cloud logging configuration`,
				MaxItems:    1,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"enable_logging": {
							Type:        schema.TypeBool,
							Required:    true,
							Description: `If set, enable query logging for this ManagedZone. False by default, making logging opt-in.`,
						},
					},
				},
			},
			"description": {
				Type:         schema.TypeString,
				Optional:     true,
				ValidateFunc: validation.StringIsNotEmpty,
				Description:  `A textual description field. Defaults to 'Managed by Terraform'.`,
				Default:      "Managed by Terraform",
			},
			"dnssec_config": {
				Type:        schema.TypeList,
				Optional:    true,
				Description: `DNSSEC configuration`,
				MaxItems:    1,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"default_key_specs": {
							Type:     schema.TypeList,
							Computed: true,
							Optional: true,
							Description: `Specifies parameters that will be used for generating initial DnsKeys
for this ManagedZone. If you provide a spec for keySigning or zoneSigning,
you must also provide one for the other.
default_key_specs can only be updated when the state is 'off'.`,
							Elem: &schema.Resource{
								Schema: map[string]*schema.Schema{
									"algorithm": {
										Type:         schema.TypeString,
										Optional:     true,
										ValidateFunc: validateEnum([]string{"ecdsap256sha256", "ecdsap384sha384", "rsasha1", "rsasha256", "rsasha512", ""}),
										Description:  `String mnemonic specifying the DNSSEC algorithm of this key Possible values: ["ecdsap256sha256", "ecdsap384sha384", "rsasha1", "rsasha256", "rsasha512"]`,
									},
									"key_length": {
										Type:        schema.TypeInt,
										Optional:    true,
										Description: `Length of the keys in bits`,
									},
									"key_type": {
										Type:         schema.TypeString,
										Optional:     true,
										ValidateFunc: validateEnum([]string{"keySigning", "zoneSigning", ""}),
										Description: `Specifies whether this is a key signing key (KSK) or a zone
signing key (ZSK). Key signing keys have the Secure Entry
Point flag set and, when active, will only be used to sign
resource record sets of type DNSKEY. Zone signing keys do
not have the Secure Entry Point flag set and will be used
to sign all other types of resource record sets. Possible values: ["keySigning", "zoneSigning"]`,
									},
									"kind": {
										Type:        schema.TypeString,
										Optional:    true,
										Description: `Identifies what kind of resource this is`,
										Default:     "dns#dnsKeySpec",
									},
								},
							},
							AtLeastOneOf: []string{"dnssec_config.0.kind", "dnssec_config.0.non_existence", "dnssec_config.0.state", "dnssec_config.0.default_key_specs"},
						},
						"kind": {
							Type:         schema.TypeString,
							Optional:     true,
							Description:  `Identifies what kind of resource this is`,
							Default:      "dns#managedZoneDnsSecConfig",
							AtLeastOneOf: []string{"dnssec_config.0.kind", "dnssec_config.0.non_existence", "dnssec_config.0.state", "dnssec_config.0.default_key_specs"},
						},
						"non_existence": {
							Type:         schema.TypeString,
							Computed:     true,
							Optional:     true,
							ValidateFunc: validateEnum([]string{"nsec", "nsec3", ""}),
							Description: `Specifies the mechanism used to provide authenticated denial-of-existence responses.
non_existence can only be updated when the state is 'off'. Possible values: ["nsec", "nsec3"]`,
							AtLeastOneOf: []string{"dnssec_config.0.kind", "dnssec_config.0.non_existence", "dnssec_config.0.state", "dnssec_config.0.default_key_specs"},
						},
						"state": {
							Type:         schema.TypeString,
							Optional:     true,
							ValidateFunc: validateEnum([]string{"off", "on", "transfer", ""}),
							Description:  `Specifies whether DNSSEC is enabled, and what mode it is in Possible values: ["off", "on", "transfer"]`,
							AtLeastOneOf: []string{"dnssec_config.0.kind", "dnssec_config.0.non_existence", "dnssec_config.0.state", "dnssec_config.0.default_key_specs"},
						},
					},
				},
			},
			"forwarding_config": {
				Type:     schema.TypeList,
				Optional: true,
				Description: `The presence for this field indicates that outbound forwarding is enabled
for this zone. The value of this field contains the set of destinations
to forward to.`,
				MaxItems: 1,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"target_name_servers": {
							Type:     schema.TypeSet,
							Required: true,
							Description: `List of target name servers to forward to. Cloud DNS will
select the best available name server if more than
one target is given.`,
							Elem: dnsManagedZoneForwardingConfigTargetNameServersSchema(),
							Set: func(v interface{}) int {
								raw := v.(map[string]interface{})
								if address, ok := raw["ipv4_address"]; ok {
									hashcode(address.(string))
								}
								var buf bytes.Buffer
								schema.SerializeResourceForHash(&buf, raw, dnsManagedZoneForwardingConfigTargetNameServersSchema())
								return hashcode(buf.String())
							},
						},
					},
				},
			},
			"labels": {
				Type:        schema.TypeMap,
				Optional:    true,
				Description: `A set of key/value label pairs to assign to this ManagedZone.`,
				Elem:        &schema.Schema{Type: schema.TypeString},
			},
			"peering_config": {
				Type:     schema.TypeList,
				Optional: true,
				Description: `The presence of this field indicates that DNS Peering is enabled for this
zone. The value of this field contains the network to peer with.`,
				MaxItems: 1,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"target_network": {
							Type:        schema.TypeList,
							Required:    true,
							Description: `The network with which to peer.`,
							MaxItems:    1,
							Elem: &schema.Resource{
								Schema: map[string]*schema.Schema{
									"network_url": {
										Type:             schema.TypeString,
										Required:         true,
										DiffSuppressFunc: compareSelfLinkOrResourceName,
										Description: `The id or fully qualified URL of the VPC network to forward queries to.
This should be formatted like 'projects/{project}/global/networks/{network}' or
'https://www.googleapis.com/compute/v1/projects/{project}/global/networks/{network}'`,
									},
								},
							},
						},
					},
				},
			},
			"private_visibility_config": {
				Type:     schema.TypeList,
				Optional: true,
				Description: `For privately visible zones, the set of Virtual Private Cloud
resources that the zone is visible from.`,
				MaxItems: 1,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"networks": {
							Type:     schema.TypeSet,
							Required: true,
							Description: `The list of VPC networks that can see this zone. Until the provider updates to use the Terraform 0.12 SDK in a future release, you
may experience issues with this resource while updating. If you've defined a 'networks' block and
add another 'networks' block while keeping the old block, Terraform will see an incorrect diff
and apply an incorrect update to the resource. If you encounter this issue, remove all 'networks'
blocks in an update and then apply another update adding all of them back simultaneously.`,
							Elem: dnsManagedZonePrivateVisibilityConfigNetworksSchema(),
							Set: func(v interface{}) int {
								if v == nil {
									return 0
								}
								raw := v.(map[string]interface{})
								if url, ok := raw["network_url"]; ok {
									return selfLinkNameHash(url)
								}
								var buf bytes.Buffer
								schema.SerializeResourceForHash(&buf, raw, dnsManagedZonePrivateVisibilityConfigNetworksSchema())
								return hashcode(buf.String())
							},
						},
					},
				},
			},
			"visibility": {
				Type:             schema.TypeString,
				Optional:         true,
				ForceNew:         true,
				ValidateFunc:     validateEnum([]string{"private", "public", ""}),
				DiffSuppressFunc: caseDiffSuppress,
				Description: `The zone's visibility: public zones are exposed to the Internet,
while private zones are visible only to Virtual Private Cloud resources. Default value: "public" Possible values: ["private", "public"]`,
				Default: "public",
			},
			"creation_time": {
				Type:     schema.TypeString,
				Computed: true,
				Description: `The time that this resource was created on the server.
This is in RFC3339 text format.`,
			},
			"managed_zone_id": {
				Type:        schema.TypeInt,
				Computed:    true,
				Description: `Unique identifier for the resource; defined by the server.`,
			},
			"name_servers": {
				Type:     schema.TypeList,
				Computed: true,
				Description: `Delegate your managed_zone to these virtual name servers;
defined by the server`,
				Elem: &schema.Schema{
					Type: schema.TypeString,
				},
			},
			"force_destroy": {
				Type:        schema.TypeBool,
				Optional:    true,
				Default:     false,
				Description: `Set this true to delete all records in the zone.`,
			},
			"project": {
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
				ForceNew: true,
			},
		},
		UseJSONNumber: true,
	}
}

func dnsManagedZonePrivateVisibilityConfigNetworksSchema() *schema.Resource {
	return &schema.Resource{
		Schema: map[string]*schema.Schema{
			"network_url": {
				Type:             schema.TypeString,
				Required:         true,
				DiffSuppressFunc: compareSelfLinkOrResourceName,
				Description: `The id or fully qualified URL of the VPC network to bind to.
This should be formatted like 'projects/{project}/global/networks/{network}' or
'https://www.googleapis.com/compute/v1/projects/{project}/global/networks/{network}'`,
			},
		},
	}
}

func dnsManagedZoneForwardingConfigTargetNameServersSchema() *schema.Resource {
	return &schema.Resource{
		Schema: map[string]*schema.Schema{
			"ipv4_address": {
				Type:        schema.TypeString,
				Required:    true,
				Description: `IPv4 address of a target name server.`,
			},
			"forwarding_path": {
				Type:         schema.TypeString,
				Optional:     true,
				ValidateFunc: validateEnum([]string{"default", "private", ""}),
				Description: `Forwarding path for this TargetNameServer. If unset or 'default' Cloud DNS will make forwarding
decision based on address ranges, i.e. RFC1918 addresses go to the VPC, Non-RFC1918 addresses go
to the Internet. When set to 'private', Cloud DNS will always send queries through VPC for this target Possible values: ["default", "private"]`,
			},
		},
	}
}

func resourceDNSManagedZoneCreate(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	userAgent, err := generateUserAgentString(d, config.userAgent)
	if err != nil {
		return err
	}

	obj := make(map[string]interface{})
	descriptionProp, err := expandDNSManagedZoneDescription(d.Get("description"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("description"); !isEmptyValue(reflect.ValueOf(descriptionProp)) && (ok || !reflect.DeepEqual(v, descriptionProp)) {
		obj["description"] = descriptionProp
	}
	dnsNameProp, err := expandDNSManagedZoneDnsName(d.Get("dns_name"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("dns_name"); !isEmptyValue(reflect.ValueOf(dnsNameProp)) && (ok || !reflect.DeepEqual(v, dnsNameProp)) {
		obj["dnsName"] = dnsNameProp
	}
	dnssecConfigProp, err := expandDNSManagedZoneDnssecConfig(d.Get("dnssec_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("dnssec_config"); !isEmptyValue(reflect.ValueOf(dnssecConfigProp)) && (ok || !reflect.DeepEqual(v, dnssecConfigProp)) {
		obj["dnssecConfig"] = dnssecConfigProp
	}
	nameProp, err := expandDNSManagedZoneName(d.Get("name"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("name"); !isEmptyValue(reflect.ValueOf(nameProp)) && (ok || !reflect.DeepEqual(v, nameProp)) {
		obj["name"] = nameProp
	}
	labelsProp, err := expandDNSManagedZoneLabels(d.Get("labels"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("labels"); !isEmptyValue(reflect.ValueOf(labelsProp)) && (ok || !reflect.DeepEqual(v, labelsProp)) {
		obj["labels"] = labelsProp
	}
	visibilityProp, err := expandDNSManagedZoneVisibility(d.Get("visibility"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("visibility"); !isEmptyValue(reflect.ValueOf(visibilityProp)) && (ok || !reflect.DeepEqual(v, visibilityProp)) {
		obj["visibility"] = visibilityProp
	}
	privateVisibilityConfigProp, err := expandDNSManagedZonePrivateVisibilityConfig(d.Get("private_visibility_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("private_visibility_config"); ok || !reflect.DeepEqual(v, privateVisibilityConfigProp) {
		obj["privateVisibilityConfig"] = privateVisibilityConfigProp
	}
	forwardingConfigProp, err := expandDNSManagedZoneForwardingConfig(d.Get("forwarding_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("forwarding_config"); !isEmptyValue(reflect.ValueOf(forwardingConfigProp)) && (ok || !reflect.DeepEqual(v, forwardingConfigProp)) {
		obj["forwardingConfig"] = forwardingConfigProp
	}
	peeringConfigProp, err := expandDNSManagedZonePeeringConfig(d.Get("peering_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("peering_config"); !isEmptyValue(reflect.ValueOf(peeringConfigProp)) && (ok || !reflect.DeepEqual(v, peeringConfigProp)) {
		obj["peeringConfig"] = peeringConfigProp
	}
	cloudLoggingConfigProp, err := expandDNSManagedZoneCloudLoggingConfig(d.Get("cloud_logging_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("cloud_logging_config"); !isEmptyValue(reflect.ValueOf(cloudLoggingConfigProp)) && (ok || !reflect.DeepEqual(v, cloudLoggingConfigProp)) {
		obj["cloudLoggingConfig"] = cloudLoggingConfigProp
	}

	url, err := replaceVars(d, config, "{{DNSBasePath}}projects/{{project}}/managedZones")
	if err != nil {
		return err
	}

	log.Printf("[DEBUG] Creating new ManagedZone: %#v", obj)
	billingProject := ""

	project, err := getProject(d, config)
	if err != nil {
		return fmt.Errorf("Error fetching project for ManagedZone: %s", err)
	}
	billingProject = project

	// err == nil indicates that the billing_project value was found
	if bp, err := getBillingProject(d, config); err == nil {
		billingProject = bp
	}

	res, err := sendRequestWithTimeout(config, "POST", billingProject, url, userAgent, obj, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf("Error creating ManagedZone: %s", err)
	}

	// Store the ID now
	id, err := replaceVars(d, config, "projects/{{project}}/managedZones/{{name}}")
	if err != nil {
		return fmt.Errorf("Error constructing id: %s", err)
	}
	d.SetId(id)

	log.Printf("[DEBUG] Finished creating ManagedZone %q: %#v", d.Id(), res)

	return resourceDNSManagedZoneRead(d, meta)
}

func resourceDNSManagedZoneRead(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	userAgent, err := generateUserAgentString(d, config.userAgent)
	if err != nil {
		return err
	}

	url, err := replaceVars(d, config, "{{DNSBasePath}}projects/{{project}}/managedZones/{{name}}")
	if err != nil {
		return err
	}

	billingProject := ""

	project, err := getProject(d, config)
	if err != nil {
		return fmt.Errorf("Error fetching project for ManagedZone: %s", err)
	}
	billingProject = project

	// err == nil indicates that the billing_project value was found
	if bp, err := getBillingProject(d, config); err == nil {
		billingProject = bp
	}

	res, err := sendRequest(config, "GET", billingProject, url, userAgent, nil)
	if err != nil {
		return handleNotFoundError(err, d, fmt.Sprintf("DNSManagedZone %q", d.Id()))
	}

	// Explicitly set virtual fields to default values if unset
	if _, ok := d.GetOkExists("force_destroy"); !ok {
		if err := d.Set("force_destroy", false); err != nil {
			return fmt.Errorf("Error setting force_destroy: %s", err)
		}
	}
	if err := d.Set("project", project); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}

	if err := d.Set("description", flattenDNSManagedZoneDescription(res["description"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("dns_name", flattenDNSManagedZoneDnsName(res["dnsName"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("dnssec_config", flattenDNSManagedZoneDnssecConfig(res["dnssecConfig"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("managed_zone_id", flattenDNSManagedZoneManagedZoneID(res["id"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("name", flattenDNSManagedZoneName(res["name"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("name_servers", flattenDNSManagedZoneNameServers(res["nameServers"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("creation_time", flattenDNSManagedZoneCreationTime(res["creationTime"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("labels", flattenDNSManagedZoneLabels(res["labels"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("visibility", flattenDNSManagedZoneVisibility(res["visibility"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("private_visibility_config", flattenDNSManagedZonePrivateVisibilityConfig(res["privateVisibilityConfig"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("forwarding_config", flattenDNSManagedZoneForwardingConfig(res["forwardingConfig"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("peering_config", flattenDNSManagedZonePeeringConfig(res["peeringConfig"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}
	if err := d.Set("cloud_logging_config", flattenDNSManagedZoneCloudLoggingConfig(res["cloudLoggingConfig"], d, config)); err != nil {
		return fmt.Errorf("Error reading ManagedZone: %s", err)
	}

	return nil
}

func resourceDNSManagedZoneUpdate(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	userAgent, err := generateUserAgentString(d, config.userAgent)
	if err != nil {
		return err
	}

	billingProject := ""

	project, err := getProject(d, config)
	if err != nil {
		return fmt.Errorf("Error fetching project for ManagedZone: %s", err)
	}
	billingProject = project

	obj := make(map[string]interface{})
	descriptionProp, err := expandDNSManagedZoneDescription(d.Get("description"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("description"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, descriptionProp)) {
		obj["description"] = descriptionProp
	}
	dnsNameProp, err := expandDNSManagedZoneDnsName(d.Get("dns_name"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("dns_name"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, dnsNameProp)) {
		obj["dnsName"] = dnsNameProp
	}
	dnssecConfigProp, err := expandDNSManagedZoneDnssecConfig(d.Get("dnssec_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("dnssec_config"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, dnssecConfigProp)) {
		obj["dnssecConfig"] = dnssecConfigProp
	}
	nameProp, err := expandDNSManagedZoneName(d.Get("name"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("name"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, nameProp)) {
		obj["name"] = nameProp
	}
	labelsProp, err := expandDNSManagedZoneLabels(d.Get("labels"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("labels"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, labelsProp)) {
		obj["labels"] = labelsProp
	}
	visibilityProp, err := expandDNSManagedZoneVisibility(d.Get("visibility"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("visibility"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, visibilityProp)) {
		obj["visibility"] = visibilityProp
	}
	privateVisibilityConfigProp, err := expandDNSManagedZonePrivateVisibilityConfig(d.Get("private_visibility_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("private_visibility_config"); ok || !reflect.DeepEqual(v, privateVisibilityConfigProp) {
		obj["privateVisibilityConfig"] = privateVisibilityConfigProp
	}
	forwardingConfigProp, err := expandDNSManagedZoneForwardingConfig(d.Get("forwarding_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("forwarding_config"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, forwardingConfigProp)) {
		obj["forwardingConfig"] = forwardingConfigProp
	}
	peeringConfigProp, err := expandDNSManagedZonePeeringConfig(d.Get("peering_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("peering_config"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, peeringConfigProp)) {
		obj["peeringConfig"] = peeringConfigProp
	}
	cloudLoggingConfigProp, err := expandDNSManagedZoneCloudLoggingConfig(d.Get("cloud_logging_config"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("cloud_logging_config"); !isEmptyValue(reflect.ValueOf(v)) && (ok || !reflect.DeepEqual(v, cloudLoggingConfigProp)) {
		obj["cloudLoggingConfig"] = cloudLoggingConfigProp
	}

	obj, err = resourceDNSManagedZoneUpdateEncoder(d, meta, obj)
	if err != nil {
		return err
	}

	url, err := replaceVars(d, config, "{{DNSBasePath}}projects/{{project}}/managedZones/{{name}}")
	if err != nil {
		return err
	}

	log.Printf("[DEBUG] Updating ManagedZone %q: %#v", d.Id(), obj)

	// err == nil indicates that the billing_project value was found
	if bp, err := getBillingProject(d, config); err == nil {
		billingProject = bp
	}

	res, err := sendRequestWithTimeout(config, "PUT", billingProject, url, userAgent, obj, d.Timeout(schema.TimeoutUpdate))

	if err != nil {
		return fmt.Errorf("Error updating ManagedZone %q: %s", d.Id(), err)
	} else {
		log.Printf("[DEBUG] Finished updating ManagedZone %q: %#v", d.Id(), res)
	}

	return resourceDNSManagedZoneRead(d, meta)
}

func resourceDNSManagedZoneDelete(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	userAgent, err := generateUserAgentString(d, config.userAgent)
	if err != nil {
		return err
	}

	billingProject := ""

	project, err := getProject(d, config)
	if err != nil {
		return fmt.Errorf("Error fetching project for ManagedZone: %s", err)
	}
	billingProject = project

	url, err := replaceVars(d, config, "{{DNSBasePath}}projects/{{project}}/managedZones/{{name}}")
	if err != nil {
		return err
	}

	var obj map[string]interface{}
	if d.Get("force_destroy").(bool) {
		zone := d.Get("name").(string)
		token := ""
		for paginate := true; paginate; {
			var resp *dns.ResourceRecordSetsListResponse
			if token == "" {
				resp, err = config.NewDnsClient(userAgent).ResourceRecordSets.List(project, zone).Do()
				if err != nil {
					return fmt.Errorf("Error reading ResourceRecordSets: %s", err)
				}
			} else {
				resp, err = config.NewDnsClient(userAgent).ResourceRecordSets.List(project, zone).PageToken(token).Do()
				if err != nil {
					return fmt.Errorf("Error reading ResourceRecordSets: %s", err)
				}
			}

			for _, rr := range resp.Rrsets {
				// Build the change
				chg := &dns.Change{
					Deletions: []*dns.ResourceRecordSet{
						{
							Name:    rr.Name,
							Type:    rr.Type,
							Ttl:     rr.Ttl,
							Rrdatas: rr.Rrdatas,
						},
					},
				}

				if rr.Type == "NS" {
					mz, err := config.NewDnsClient(userAgent).ManagedZones.Get(project, zone).Do()
					if err != nil {
						return fmt.Errorf("Error retrieving managed zone %q from %q: %s", zone, project, err)
					}
					domain := mz.DnsName

					if domain == rr.Name {
						log.Println("[DEBUG] NS records can't be deleted due to API restrictions, so they're being left in place. See https://www.terraform.io/docs/providers/google/r/dns_record_set.html for more information.")
						continue
					}
				}

				if rr.Type == "SOA" {
					log.Println("[DEBUG] SOA records can't be deleted due to API restrictions, so they're being left in place.")
					continue
				}

				log.Printf("[DEBUG] DNS Record delete request via MZ: %#v", chg)
				chg, err = config.NewDnsClient(userAgent).Changes.Create(project, zone, chg).Do()
				if err != nil {
					return fmt.Errorf("Unable to delete ResourceRecordSets: %s", err)
				}

				w := &DnsChangeWaiter{
					Service:     config.NewDnsClient(userAgent),
					Change:      chg,
					Project:     project,
					ManagedZone: zone,
				}
				_, err = w.Conf().WaitForState()
				if err != nil {
					return fmt.Errorf("Error waiting for Google DNS change: %s", err)
				}
			}

			token = resp.NextPageToken
			paginate = token != ""
		}
	}
	log.Printf("[DEBUG] Deleting ManagedZone %q", d.Id())

	// err == nil indicates that the billing_project value was found
	if bp, err := getBillingProject(d, config); err == nil {
		billingProject = bp
	}

	res, err := sendRequestWithTimeout(config, "DELETE", billingProject, url, userAgent, obj, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return handleNotFoundError(err, d, "ManagedZone")
	}

	log.Printf("[DEBUG] Finished deleting ManagedZone %q: %#v", d.Id(), res)
	return nil
}

func resourceDNSManagedZoneImport(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
	config := meta.(*Config)
	if err := parseImportId([]string{
		"projects/(?P<project>[^/]+)/managedZones/(?P<name>[^/]+)",
		"(?P<project>[^/]+)/(?P<name>[^/]+)",
		"(?P<name>[^/]+)",
	}, d, config); err != nil {
		return nil, err
	}

	// Replace import id for the resource id
	id, err := replaceVars(d, config, "projects/{{project}}/managedZones/{{name}}")
	if err != nil {
		return nil, fmt.Errorf("Error constructing id: %s", err)
	}
	d.SetId(id)

	// Explicitly set virtual fields to default values on import
	if err := d.Set("force_destroy", false); err != nil {
		return nil, fmt.Errorf("Error setting force_destroy: %s", err)
	}

	return []*schema.ResourceData{d}, nil
}

func flattenDNSManagedZoneDescription(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneDnsName(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneDnssecConfig(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return nil
	}
	original := v.(map[string]interface{})
	if len(original) == 0 {
		return nil
	}
	transformed := make(map[string]interface{})
	transformed["kind"] =
		flattenDNSManagedZoneDnssecConfigKind(original["kind"], d, config)
	transformed["non_existence"] =
		flattenDNSManagedZoneDnssecConfigNonExistence(original["nonExistence"], d, config)
	transformed["state"] =
		flattenDNSManagedZoneDnssecConfigState(original["state"], d, config)
	transformed["default_key_specs"] =
		flattenDNSManagedZoneDnssecConfigDefaultKeySpecs(original["defaultKeySpecs"], d, config)
	return []interface{}{transformed}
}
func flattenDNSManagedZoneDnssecConfigKind(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneDnssecConfigNonExistence(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneDnssecConfigState(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneDnssecConfigDefaultKeySpecs(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return v
	}
	l := v.([]interface{})
	transformed := make([]interface{}, 0, len(l))
	for _, raw := range l {
		original := raw.(map[string]interface{})
		if len(original) < 1 {
			// Do not include empty json objects coming back from the api
			continue
		}
		transformed = append(transformed, map[string]interface{}{
			"algorithm":  flattenDNSManagedZoneDnssecConfigDefaultKeySpecsAlgorithm(original["algorithm"], d, config),
			"key_length": flattenDNSManagedZoneDnssecConfigDefaultKeySpecsKeyLength(original["keyLength"], d, config),
			"key_type":   flattenDNSManagedZoneDnssecConfigDefaultKeySpecsKeyType(original["keyType"], d, config),
			"kind":       flattenDNSManagedZoneDnssecConfigDefaultKeySpecsKind(original["kind"], d, config),
		})
	}
	return transformed
}
func flattenDNSManagedZoneDnssecConfigDefaultKeySpecsAlgorithm(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneDnssecConfigDefaultKeySpecsKeyLength(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	// Handles the string fixed64 format
	if strVal, ok := v.(string); ok {
		if intVal, err := stringToFixed64(strVal); err == nil {
			return intVal
		}
	}

	// number values are represented as float64
	if floatVal, ok := v.(float64); ok {
		intVal := int(floatVal)
		return intVal
	}

	return v // let terraform core handle it otherwise
}

func flattenDNSManagedZoneDnssecConfigDefaultKeySpecsKeyType(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneDnssecConfigDefaultKeySpecsKind(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneManagedZoneID(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	// Handles the string fixed64 format
	if strVal, ok := v.(string); ok {
		if intVal, err := stringToFixed64(strVal); err == nil {
			return intVal
		}
	}

	// number values are represented as float64
	if floatVal, ok := v.(float64); ok {
		intVal := int(floatVal)
		return intVal
	}

	return v // let terraform core handle it otherwise
}

func flattenDNSManagedZoneName(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneNameServers(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneCreationTime(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneLabels(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneVisibility(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil || isEmptyValue(reflect.ValueOf(v)) {
		return "public"
	}

	return v
}

func flattenDNSManagedZonePrivateVisibilityConfig(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return nil
	}
	original := v.(map[string]interface{})
	if len(original) == 0 {
		return nil
	}
	transformed := make(map[string]interface{})
	transformed["networks"] =
		flattenDNSManagedZonePrivateVisibilityConfigNetworks(original["networks"], d, config)
	return []interface{}{transformed}
}
func flattenDNSManagedZonePrivateVisibilityConfigNetworks(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return v
	}
	l := v.([]interface{})
	transformed := schema.NewSet(func(v interface{}) int {
		if v == nil {
			return 0
		}
		raw := v.(map[string]interface{})
		if url, ok := raw["network_url"]; ok {
			return selfLinkNameHash(url)
		}
		var buf bytes.Buffer
		schema.SerializeResourceForHash(&buf, raw, dnsManagedZonePrivateVisibilityConfigNetworksSchema())
		return hashcode(buf.String())
	}, []interface{}{})
	for _, raw := range l {
		original := raw.(map[string]interface{})
		if len(original) < 1 {
			// Do not include empty json objects coming back from the api
			continue
		}
		transformed.Add(map[string]interface{}{
			"network_url": flattenDNSManagedZonePrivateVisibilityConfigNetworksNetworkUrl(original["networkUrl"], d, config),
		})
	}
	return transformed
}
func flattenDNSManagedZonePrivateVisibilityConfigNetworksNetworkUrl(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneForwardingConfig(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return nil
	}
	original := v.(map[string]interface{})
	if len(original) == 0 {
		return nil
	}
	transformed := make(map[string]interface{})
	transformed["target_name_servers"] =
		flattenDNSManagedZoneForwardingConfigTargetNameServers(original["targetNameServers"], d, config)
	return []interface{}{transformed}
}
func flattenDNSManagedZoneForwardingConfigTargetNameServers(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return v
	}
	l := v.([]interface{})
	transformed := schema.NewSet(func(v interface{}) int {
		raw := v.(map[string]interface{})
		if address, ok := raw["ipv4_address"]; ok {
			hashcode(address.(string))
		}
		var buf bytes.Buffer
		schema.SerializeResourceForHash(&buf, raw, dnsManagedZoneForwardingConfigTargetNameServersSchema())
		return hashcode(buf.String())
	}, []interface{}{})
	for _, raw := range l {
		original := raw.(map[string]interface{})
		if len(original) < 1 {
			// Do not include empty json objects coming back from the api
			continue
		}
		transformed.Add(map[string]interface{}{
			"ipv4_address":    flattenDNSManagedZoneForwardingConfigTargetNameServersIpv4Address(original["ipv4Address"], d, config),
			"forwarding_path": flattenDNSManagedZoneForwardingConfigTargetNameServersForwardingPath(original["forwardingPath"], d, config),
		})
	}
	return transformed
}
func flattenDNSManagedZoneForwardingConfigTargetNameServersIpv4Address(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneForwardingConfigTargetNameServersForwardingPath(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZonePeeringConfig(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return nil
	}
	original := v.(map[string]interface{})
	if len(original) == 0 {
		return nil
	}
	transformed := make(map[string]interface{})
	transformed["target_network"] =
		flattenDNSManagedZonePeeringConfigTargetNetwork(original["targetNetwork"], d, config)
	return []interface{}{transformed}
}
func flattenDNSManagedZonePeeringConfigTargetNetwork(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return nil
	}
	original := v.(map[string]interface{})
	if len(original) == 0 {
		return nil
	}
	transformed := make(map[string]interface{})
	transformed["network_url"] =
		flattenDNSManagedZonePeeringConfigTargetNetworkNetworkUrl(original["networkUrl"], d, config)
	return []interface{}{transformed}
}
func flattenDNSManagedZonePeeringConfigTargetNetworkNetworkUrl(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenDNSManagedZoneCloudLoggingConfig(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return nil
	}
	original := v.(map[string]interface{})
	if len(original) == 0 {
		return nil
	}
	transformed := make(map[string]interface{})
	transformed["enable_logging"] =
		flattenDNSManagedZoneCloudLoggingConfigEnableLogging(original["enableLogging"], d, config)
	return []interface{}{transformed}
}
func flattenDNSManagedZoneCloudLoggingConfigEnableLogging(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func expandDNSManagedZoneDescription(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneDnsName(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneDnssecConfig(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	l := v.([]interface{})
	if len(l) == 0 || l[0] == nil {
		return nil, nil
	}
	raw := l[0]
	original := raw.(map[string]interface{})
	transformed := make(map[string]interface{})

	transformedKind, err := expandDNSManagedZoneDnssecConfigKind(original["kind"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedKind); val.IsValid() && !isEmptyValue(val) {
		transformed["kind"] = transformedKind
	}

	transformedNonExistence, err := expandDNSManagedZoneDnssecConfigNonExistence(original["non_existence"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedNonExistence); val.IsValid() && !isEmptyValue(val) {
		transformed["nonExistence"] = transformedNonExistence
	}

	transformedState, err := expandDNSManagedZoneDnssecConfigState(original["state"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedState); val.IsValid() && !isEmptyValue(val) {
		transformed["state"] = transformedState
	}

	transformedDefaultKeySpecs, err := expandDNSManagedZoneDnssecConfigDefaultKeySpecs(original["default_key_specs"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedDefaultKeySpecs); val.IsValid() && !isEmptyValue(val) {
		transformed["defaultKeySpecs"] = transformedDefaultKeySpecs
	}

	return transformed, nil
}

func expandDNSManagedZoneDnssecConfigKind(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneDnssecConfigNonExistence(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneDnssecConfigState(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneDnssecConfigDefaultKeySpecs(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	l := v.([]interface{})
	req := make([]interface{}, 0, len(l))
	for _, raw := range l {
		if raw == nil {
			continue
		}
		original := raw.(map[string]interface{})
		transformed := make(map[string]interface{})

		transformedAlgorithm, err := expandDNSManagedZoneDnssecConfigDefaultKeySpecsAlgorithm(original["algorithm"], d, config)
		if err != nil {
			return nil, err
		} else if val := reflect.ValueOf(transformedAlgorithm); val.IsValid() && !isEmptyValue(val) {
			transformed["algorithm"] = transformedAlgorithm
		}

		transformedKeyLength, err := expandDNSManagedZoneDnssecConfigDefaultKeySpecsKeyLength(original["key_length"], d, config)
		if err != nil {
			return nil, err
		} else if val := reflect.ValueOf(transformedKeyLength); val.IsValid() && !isEmptyValue(val) {
			transformed["keyLength"] = transformedKeyLength
		}

		transformedKeyType, err := expandDNSManagedZoneDnssecConfigDefaultKeySpecsKeyType(original["key_type"], d, config)
		if err != nil {
			return nil, err
		} else if val := reflect.ValueOf(transformedKeyType); val.IsValid() && !isEmptyValue(val) {
			transformed["keyType"] = transformedKeyType
		}

		transformedKind, err := expandDNSManagedZoneDnssecConfigDefaultKeySpecsKind(original["kind"], d, config)
		if err != nil {
			return nil, err
		} else if val := reflect.ValueOf(transformedKind); val.IsValid() && !isEmptyValue(val) {
			transformed["kind"] = transformedKind
		}

		req = append(req, transformed)
	}
	return req, nil
}

func expandDNSManagedZoneDnssecConfigDefaultKeySpecsAlgorithm(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneDnssecConfigDefaultKeySpecsKeyLength(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneDnssecConfigDefaultKeySpecsKeyType(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneDnssecConfigDefaultKeySpecsKind(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneName(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneLabels(v interface{}, d TerraformResourceData, config *Config) (map[string]string, error) {
	if v == nil {
		return map[string]string{}, nil
	}
	m := make(map[string]string)
	for k, val := range v.(map[string]interface{}) {
		m[k] = val.(string)
	}
	return m, nil
}

func expandDNSManagedZoneVisibility(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZonePrivateVisibilityConfig(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	l := v.([]interface{})
	if len(l) == 0 || l[0] == nil {
		// The API won't remove the the field unless an empty network array is sent.
		transformed := make(map[string]interface{})
		emptyNetwork := make([]interface{}, 0)
		transformed["networks"] = emptyNetwork
		return transformed, nil
	}
	raw := l[0]
	original := raw.(map[string]interface{})
	transformed := make(map[string]interface{})

	transformedNetworks, err := expandDNSManagedZonePrivateVisibilityConfigNetworks(original["networks"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedNetworks); val.IsValid() && !isEmptyValue(val) {
		transformed["networks"] = transformedNetworks
	}

	return transformed, nil
}

func expandDNSManagedZonePrivateVisibilityConfigNetworks(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	v = v.(*schema.Set).List()
	l := v.([]interface{})
	req := make([]interface{}, 0, len(l))
	for _, raw := range l {
		if raw == nil {
			continue
		}
		original := raw.(map[string]interface{})
		transformed := make(map[string]interface{})

		transformedNetworkUrl, err := expandDNSManagedZonePrivateVisibilityConfigNetworksNetworkUrl(original["network_url"], d, config)
		if err != nil {
			return nil, err
		} else if val := reflect.ValueOf(transformedNetworkUrl); val.IsValid() && !isEmptyValue(val) {
			transformed["networkUrl"] = transformedNetworkUrl
		}

		req = append(req, transformed)
	}
	return req, nil
}

func expandDNSManagedZonePrivateVisibilityConfigNetworksNetworkUrl(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	if v == nil || v.(string) == "" {
		return "", nil
	} else if strings.HasPrefix(v.(string), "https://") {
		return v, nil
	}
	url, err := replaceVars(d, config, "{{ComputeBasePath}}"+v.(string))
	if err != nil {
		return "", err
	}
	return ConvertSelfLinkToV1(url), nil
}

func expandDNSManagedZoneForwardingConfig(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	l := v.([]interface{})
	if len(l) == 0 || l[0] == nil {
		return nil, nil
	}
	raw := l[0]
	original := raw.(map[string]interface{})
	transformed := make(map[string]interface{})

	transformedTargetNameServers, err := expandDNSManagedZoneForwardingConfigTargetNameServers(original["target_name_servers"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedTargetNameServers); val.IsValid() && !isEmptyValue(val) {
		transformed["targetNameServers"] = transformedTargetNameServers
	}

	return transformed, nil
}

func expandDNSManagedZoneForwardingConfigTargetNameServers(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	v = v.(*schema.Set).List()
	l := v.([]interface{})
	req := make([]interface{}, 0, len(l))
	for _, raw := range l {
		if raw == nil {
			continue
		}
		original := raw.(map[string]interface{})
		transformed := make(map[string]interface{})

		transformedIpv4Address, err := expandDNSManagedZoneForwardingConfigTargetNameServersIpv4Address(original["ipv4_address"], d, config)
		if err != nil {
			return nil, err
		} else if val := reflect.ValueOf(transformedIpv4Address); val.IsValid() && !isEmptyValue(val) {
			transformed["ipv4Address"] = transformedIpv4Address
		}

		transformedForwardingPath, err := expandDNSManagedZoneForwardingConfigTargetNameServersForwardingPath(original["forwarding_path"], d, config)
		if err != nil {
			return nil, err
		} else if val := reflect.ValueOf(transformedForwardingPath); val.IsValid() && !isEmptyValue(val) {
			transformed["forwardingPath"] = transformedForwardingPath
		}

		req = append(req, transformed)
	}
	return req, nil
}

func expandDNSManagedZoneForwardingConfigTargetNameServersIpv4Address(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZoneForwardingConfigTargetNameServersForwardingPath(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandDNSManagedZonePeeringConfig(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	l := v.([]interface{})
	if len(l) == 0 || l[0] == nil {
		return nil, nil
	}
	raw := l[0]
	original := raw.(map[string]interface{})
	transformed := make(map[string]interface{})

	transformedTargetNetwork, err := expandDNSManagedZonePeeringConfigTargetNetwork(original["target_network"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedTargetNetwork); val.IsValid() && !isEmptyValue(val) {
		transformed["targetNetwork"] = transformedTargetNetwork
	}

	return transformed, nil
}

func expandDNSManagedZonePeeringConfigTargetNetwork(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	l := v.([]interface{})
	if len(l) == 0 || l[0] == nil {
		return nil, nil
	}
	raw := l[0]
	original := raw.(map[string]interface{})
	transformed := make(map[string]interface{})

	transformedNetworkUrl, err := expandDNSManagedZonePeeringConfigTargetNetworkNetworkUrl(original["network_url"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedNetworkUrl); val.IsValid() && !isEmptyValue(val) {
		transformed["networkUrl"] = transformedNetworkUrl
	}

	return transformed, nil
}

func expandDNSManagedZonePeeringConfigTargetNetworkNetworkUrl(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	if v == nil || v.(string) == "" {
		return "", nil
	} else if strings.HasPrefix(v.(string), "https://") {
		return v, nil
	}
	url, err := replaceVars(d, config, "{{ComputeBasePath}}"+v.(string))
	if err != nil {
		return "", err
	}
	return ConvertSelfLinkToV1(url), nil
}

func expandDNSManagedZoneCloudLoggingConfig(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	l := v.([]interface{})
	if len(l) == 0 || l[0] == nil {
		return nil, nil
	}
	raw := l[0]
	original := raw.(map[string]interface{})
	transformed := make(map[string]interface{})

	transformedEnableLogging, err := expandDNSManagedZoneCloudLoggingConfigEnableLogging(original["enable_logging"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedEnableLogging); val.IsValid() && !isEmptyValue(val) {
		transformed["enableLogging"] = transformedEnableLogging
	}

	return transformed, nil
}

func expandDNSManagedZoneCloudLoggingConfigEnableLogging(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func resourceDNSManagedZoneUpdateEncoder(d *schema.ResourceData, meta interface{}, obj map[string]interface{}) (map[string]interface{}, error) {
	// The upstream update method (https://cloud.google.com/dns/docs/reference/v1/managedZones/update)
	// requires the full ManagedZones object, therefore, we need to keep some input only values in the struct
	// and then reuse it in the update
	nameServers, ok := d.GetOkExists("name_servers")
	if !ok {
		nameServers = []string{}
	}
	obj["nameServers"] = nameServers
	obj["id"] = d.Get("managed_zone_id")
	obj["creationTime"] = d.Get("creation_time")
	return obj, nil
}