285 lines
6.8 KiB
Go
285 lines
6.8 KiB
Go
package aws
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import (
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"fmt"
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"log"
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"strings"
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"time"
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"github.com/hashicorp/terraform/helper/hashcode"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/awslabs/aws-sdk-go/aws"
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"github.com/awslabs/aws-sdk-go/gen/route53"
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)
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func resourceAwsRoute53Record() *schema.Resource {
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return &schema.Resource{
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Create: resourceAwsRoute53RecordCreate,
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Read: resourceAwsRoute53RecordRead,
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Delete: resourceAwsRoute53RecordDelete,
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Schema: map[string]*schema.Schema{
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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"type": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"zone_id": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"ttl": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: true,
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},
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"records": &schema.Schema{
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Type: schema.TypeSet,
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Elem: &schema.Schema{Type: schema.TypeString},
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Required: true,
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ForceNew: true,
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Set: func(v interface{}) int {
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return hashcode.String(v.(string))
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},
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},
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},
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}
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}
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func resourceAwsRoute53RecordCreate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).r53conn
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zone := d.Get("zone_id").(string)
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zoneRecord, err := conn.GetHostedZone(&route53.GetHostedZoneRequest{ID: aws.String(zone)})
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if err != nil {
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return err
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}
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// Check if the current record name contains the zone suffix.
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// If it does not, add the zone name to form a fully qualified name
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// and keep AWS happy.
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recordName := d.Get("name").(string)
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zoneName := strings.Trim(*zoneRecord.HostedZone.Name, ".")
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if !strings.HasSuffix(recordName, zoneName) {
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d.Set("name", strings.Join([]string{recordName, zoneName}, "."))
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}
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// Get the record
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rec, err := resourceAwsRoute53RecordBuildSet(d)
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if err != nil {
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return err
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}
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// Create the new records. We abuse StateChangeConf for this to
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// retry for us since Route53 sometimes returns errors about another
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// operation happening at the same time.
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changeBatch := &route53.ChangeBatch{
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Comment: aws.String("Managed by Terraform"),
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Changes: []route53.Change{
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route53.Change{
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Action: aws.String("UPSERT"),
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ResourceRecordSet: rec,
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},
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},
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}
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req := &route53.ChangeResourceRecordSetsRequest{
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HostedZoneID: aws.String(cleanZoneID(*zoneRecord.HostedZone.ID)),
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ChangeBatch: changeBatch,
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}
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log.Printf("[DEBUG] Creating resource records for zone: %s, name: %s",
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zone, d.Get("name").(string))
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wait := resource.StateChangeConf{
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Pending: []string{"rejected"},
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Target: "accepted",
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Timeout: 5 * time.Minute,
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MinTimeout: 1 * time.Second,
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Refresh: func() (interface{}, string, error) {
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resp, err := conn.ChangeResourceRecordSets(req)
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if err != nil {
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if strings.Contains(err.Error(), "PriorRequestNotComplete") {
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// There is some pending operation, so just retry
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// in a bit.
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return nil, "rejected", nil
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}
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return nil, "failure", err
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}
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return resp, "accepted", nil
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},
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}
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respRaw, err := wait.WaitForState()
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if err != nil {
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return err
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}
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changeInfo := respRaw.(*route53.ChangeResourceRecordSetsResponse).ChangeInfo
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// Generate an ID
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d.SetId(fmt.Sprintf("%s_%s_%s", zone, d.Get("name").(string), d.Get("type").(string)))
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// Wait until we are done
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wait = resource.StateChangeConf{
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Delay: 30 * time.Second,
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Pending: []string{"PENDING"},
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Target: "INSYNC",
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Timeout: 10 * time.Minute,
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MinTimeout: 5 * time.Second,
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Refresh: func() (result interface{}, state string, err error) {
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changeRequest := &route53.GetChangeRequest{
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ID: aws.String(cleanChangeID(*changeInfo.ID)),
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}
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return resourceAwsGoRoute53Wait(conn, changeRequest)
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},
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}
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_, err = wait.WaitForState()
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if err != nil {
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return err
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}
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return nil
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}
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func resourceAwsRoute53RecordRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).r53conn
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zone := d.Get("zone_id").(string)
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lopts := &route53.ListResourceRecordSetsRequest{
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HostedZoneID: aws.String(cleanZoneID(zone)),
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StartRecordName: aws.String(d.Get("name").(string)),
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StartRecordType: aws.String(d.Get("type").(string)),
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}
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resp, err := conn.ListResourceRecordSets(lopts)
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if err != nil {
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return err
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}
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// Scan for a matching record
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found := false
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for _, record := range resp.ResourceRecordSets {
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if FQDN(*record.Name) != FQDN(*lopts.StartRecordName) {
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continue
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}
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if strings.ToUpper(*record.Type) != strings.ToUpper(*lopts.StartRecordType) {
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continue
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}
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found = true
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d.Set("records", record.ResourceRecords)
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d.Set("ttl", record.TTL)
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break
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}
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if !found {
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d.SetId("")
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}
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return nil
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}
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func resourceAwsRoute53RecordDelete(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).r53conn
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zone := d.Get("zone_id").(string)
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log.Printf("[DEBUG] Deleting resource records for zone: %s, name: %s",
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zone, d.Get("name").(string))
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// Get the records
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rec, err := resourceAwsRoute53RecordBuildSet(d)
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if err != nil {
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return err
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}
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// Create the new records
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changeBatch := &route53.ChangeBatch{
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Comment: aws.String("Deleted by Terraform"),
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Changes: []route53.Change{
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route53.Change{
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Action: aws.String("DELETE"),
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ResourceRecordSet: rec,
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},
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},
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}
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req := &route53.ChangeResourceRecordSetsRequest{
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HostedZoneID: aws.String(cleanZoneID(zone)),
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ChangeBatch: changeBatch,
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}
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wait := resource.StateChangeConf{
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Pending: []string{"rejected"},
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Target: "accepted",
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Timeout: 5 * time.Minute,
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MinTimeout: 1 * time.Second,
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Refresh: func() (interface{}, string, error) {
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_, err := conn.ChangeResourceRecordSets(req)
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if err != nil {
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if strings.Contains(err.Error(), "PriorRequestNotComplete") {
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// There is some pending operation, so just retry
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// in a bit.
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return 42, "rejected", nil
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}
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if strings.Contains(err.Error(), "InvalidChangeBatch") {
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// This means that the record is already gone.
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return 42, "accepted", nil
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}
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return 42, "failure", err
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}
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return 42, "accepted", nil
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},
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}
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if _, err := wait.WaitForState(); err != nil {
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return err
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}
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return nil
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}
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func resourceAwsRoute53RecordBuildSet(d *schema.ResourceData) (*route53.ResourceRecordSet, error) {
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recs := d.Get("records").(*schema.Set).List()
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records := make([]route53.ResourceRecord, 0, len(recs))
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for _, r := range recs {
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records = append(records, route53.ResourceRecord{Value: aws.String(r.(string))})
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}
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rec := &route53.ResourceRecordSet{
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Name: aws.String(d.Get("name").(string)),
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Type: aws.String(d.Get("type").(string)),
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TTL: aws.Long(int64(d.Get("ttl").(int))),
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ResourceRecords: records,
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}
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return rec, nil
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}
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func FQDN(name string) string {
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n := len(name)
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if n == 0 || name[n-1] == '.' {
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return name
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} else {
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return name + "."
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}
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}
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