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resource_aws_route53_record.go
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resource_aws_route53_record.go
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package aws
import (
"fmt"
"log"
"strings"
"time"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/mitchellh/goamz/route53"
)
func resourceAwsRoute53Record() *schema.Resource {
return &schema.Resource{
Create: resourceAwsRoute53RecordCreate,
Read: resourceAwsRoute53RecordRead,
Delete: resourceAwsRoute53RecordDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"type": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"zone_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"ttl": &schema.Schema{
Type: schema.TypeInt,
Required: true,
ForceNew: true,
},
"records": &schema.Schema{
Type: schema.TypeList,
Elem: &schema.Schema{Type: schema.TypeString},
Required: true,
ForceNew: true,
},
},
}
}
func resourceAwsRoute53RecordCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).route53
// Get the record
rec, err := resourceAwsRoute53RecordBuildSet(d)
if err != nil {
return err
}
// Create the new records. We abuse StateChangeConf for this to
// retry for us since Route53 sometimes returns errors about another
// operation happening at the same time.
req := &route53.ChangeResourceRecordSetsRequest{
Comment: "Managed by Terraform",
Changes: []route53.Change{
route53.Change{
Action: "UPSERT",
Record: *rec,
},
},
}
zone := d.Get("zone_id").(string)
log.Printf("[DEBUG] Creating resource records for zone: %s, name: %s",
zone, d.Get("name").(string))
wait := resource.StateChangeConf{
Pending: []string{"rejected"},
Target: "accepted",
Timeout: 5 * time.Minute,
MinTimeout: 1 * time.Second,
Refresh: func() (interface{}, string, error) {
resp, err := conn.ChangeResourceRecordSets(zone, req)
if err != nil {
if strings.Contains(err.Error(), "PriorRequestNotComplete") {
// There is some pending operation, so just retry
// in a bit.
return nil, "rejected", nil
}
return nil, "failure", err
}
return resp.ChangeInfo, "accepted", nil
},
}
respRaw, err := wait.WaitForState()
if err != nil {
return err
}
changeInfo := respRaw.(route53.ChangeInfo)
// Generate an ID
d.SetId(fmt.Sprintf("%s_%s_%s", zone, d.Get("name").(string), d.Get("type").(string)))
// Wait until we are done
wait = resource.StateChangeConf{
Delay: 30 * time.Second,
Pending: []string{"PENDING"},
Target: "INSYNC",
Timeout: 10 * time.Minute,
MinTimeout: 5 * time.Second,
Refresh: func() (result interface{}, state string, err error) {
return resourceAwsRoute53Wait(conn, changeInfo.ID)
},
}
_, err = wait.WaitForState()
if err != nil {
return err
}
return nil
}
func resourceAwsRoute53RecordRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).route53
zone := d.Get("zone_id").(string)
lopts := &route53.ListOpts{
Name: d.Get("name").(string),
Type: d.Get("type").(string),
}
resp, err := conn.ListResourceRecordSets(zone, lopts)
if err != nil {
return err
}
// Scan for a matching record
found := false
for _, record := range resp.Records {
if route53.FQDN(record.Name) != route53.FQDN(lopts.Name) {
continue
}
if strings.ToUpper(record.Type) != strings.ToUpper(lopts.Type) {
continue
}
found = true
for i, rec := range record.Records {
key := fmt.Sprintf("records.%d", i)
d.Set(key, rec)
}
d.Set("ttl", record.TTL)
break
}
if !found {
d.SetId("")
}
return nil
}
func resourceAwsRoute53RecordDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).route53
// Get the records
rec, err := resourceAwsRoute53RecordBuildSet(d)
if err != nil {
return err
}
// Create the new records
req := &route53.ChangeResourceRecordSetsRequest{
Comment: "Deleted by Terraform",
Changes: []route53.Change{
route53.Change{
Action: "DELETE",
Record: *rec,
},
},
}
zone := d.Get("zone_id").(string)
log.Printf("[DEBUG] Deleting resource records for zone: %s, name: %s",
zone, d.Get("name").(string))
wait := resource.StateChangeConf{
Pending: []string{"rejected"},
Target: "accepted",
Timeout: 5 * time.Minute,
MinTimeout: 1 * time.Second,
Refresh: func() (interface{}, string, error) {
_, err := conn.ChangeResourceRecordSets(zone, req)
if err != nil {
if strings.Contains(err.Error(), "PriorRequestNotComplete") {
// There is some pending operation, so just retry
// in a bit.
return 42, "rejected", nil
}
if strings.Contains(err.Error(), "InvalidChangeBatch") {
// This means that the record is already gone.
return 42, "accepted", nil
}
return 42, "failure", err
}
return 42, "accepted", nil
},
}
if _, err := wait.WaitForState(); err != nil {
return err
}
return nil
}
func resourceAwsRoute53RecordBuildSet(d *schema.ResourceData) (*route53.ResourceRecordSet, error) {
recs := d.Get("records.#").(int)
records := make([]string, 0, recs)
for i := 0; i < recs; i++ {
key := fmt.Sprintf("records.%d", i)
records = append(records, d.Get(key).(string))
}
rec := &route53.ResourceRecordSet{
Name: d.Get("name").(string),
Type: d.Get("type").(string),
TTL: d.Get("ttl").(int),
Records: records,
}
return rec, nil
}