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resource_aws_dms_replication_task.go
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resource_aws_dms_replication_task.go
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package aws
import (
"fmt"
"log"
"strconv"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
dms "github.com/aws/aws-sdk-go/service/databasemigrationservice"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/helper/validation"
)
func resourceAwsDmsReplicationTask() *schema.Resource {
return &schema.Resource{
Create: resourceAwsDmsReplicationTaskCreate,
Read: resourceAwsDmsReplicationTaskRead,
Update: resourceAwsDmsReplicationTaskUpdate,
Delete: resourceAwsDmsReplicationTaskDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"cdc_start_time": {
Type: schema.TypeString,
Optional: true,
// Requires a Unix timestamp in seconds. Example 1484346880
},
"migration_type": {
Type: schema.TypeString,
Required: true,
ValidateFunc: validation.StringInSlice([]string{
dms.MigrationTypeValueFullLoad,
dms.MigrationTypeValueCdc,
dms.MigrationTypeValueFullLoadAndCdc,
}, false),
},
"replication_instance_arn": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateArn,
},
"replication_task_arn": {
Type: schema.TypeString,
Computed: true,
},
"replication_task_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateDmsReplicationTaskId,
},
"replication_task_settings": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validateJsonString,
DiffSuppressFunc: suppressEquivalentJsonDiffs,
},
"source_endpoint_arn": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateArn,
},
"table_mappings": {
Type: schema.TypeString,
Required: true,
ValidateFunc: validateJsonString,
DiffSuppressFunc: suppressEquivalentJsonDiffs,
},
"tags": {
Type: schema.TypeMap,
Optional: true,
},
"target_endpoint_arn": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateArn,
},
},
}
}
func resourceAwsDmsReplicationTaskCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).dmsconn
request := &dms.CreateReplicationTaskInput{
MigrationType: aws.String(d.Get("migration_type").(string)),
ReplicationInstanceArn: aws.String(d.Get("replication_instance_arn").(string)),
ReplicationTaskIdentifier: aws.String(d.Get("replication_task_id").(string)),
SourceEndpointArn: aws.String(d.Get("source_endpoint_arn").(string)),
TableMappings: aws.String(d.Get("table_mappings").(string)),
Tags: dmsTagsFromMap(d.Get("tags").(map[string]interface{})),
TargetEndpointArn: aws.String(d.Get("target_endpoint_arn").(string)),
}
if v, ok := d.GetOk("cdc_start_time"); ok {
seconds, err := strconv.ParseInt(v.(string), 10, 64)
if err != nil {
return fmt.Errorf("[ERROR] DMS create replication task. Invalid CDC Unix timestamp: %s", err)
}
request.CdcStartTime = aws.Time(time.Unix(seconds, 0))
}
if v, ok := d.GetOk("replication_task_settings"); ok {
request.ReplicationTaskSettings = aws.String(v.(string))
}
log.Println("[DEBUG] DMS create replication task:", request)
_, err := conn.CreateReplicationTask(request)
if err != nil {
return err
}
taskId := d.Get("replication_task_id").(string)
d.SetId(taskId)
stateConf := &resource.StateChangeConf{
Pending: []string{"creating"},
Target: []string{"ready"},
Refresh: resourceAwsDmsReplicationTaskStateRefreshFunc(d, meta),
Timeout: d.Timeout(schema.TimeoutCreate),
MinTimeout: 10 * time.Second,
Delay: 30 * time.Second, // Wait 30 secs before starting
}
// Wait, catching any errors
_, err = stateConf.WaitForState()
if err != nil {
return err
}
return resourceAwsDmsReplicationTaskRead(d, meta)
}
func resourceAwsDmsReplicationTaskRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).dmsconn
response, err := conn.DescribeReplicationTasks(&dms.DescribeReplicationTasksInput{
Filters: []*dms.Filter{
{
Name: aws.String("replication-task-id"),
Values: []*string{aws.String(d.Id())}, // Must use d.Id() to work with import.
},
},
})
if err != nil {
if dmserr, ok := err.(awserr.Error); ok && dmserr.Code() == "ResourceNotFoundFault" {
log.Printf("[DEBUG] DMS Replication Task %q Not Found", d.Id())
d.SetId("")
return nil
}
return err
}
err = resourceAwsDmsReplicationTaskSetState(d, response.ReplicationTasks[0])
if err != nil {
return err
}
tagsResp, err := conn.ListTagsForResource(&dms.ListTagsForResourceInput{
ResourceArn: aws.String(d.Get("replication_task_arn").(string)),
})
if err != nil {
return err
}
d.Set("tags", dmsTagsToMap(tagsResp.TagList))
return nil
}
func resourceAwsDmsReplicationTaskUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).dmsconn
request := &dms.ModifyReplicationTaskInput{
ReplicationTaskArn: aws.String(d.Get("replication_task_arn").(string)),
}
hasChanges := false
if d.HasChange("cdc_start_time") {
seconds, err := strconv.ParseInt(d.Get("cdc_start_time").(string), 10, 64)
if err != nil {
return fmt.Errorf("[ERROR] DMS update replication task. Invalid CRC Unix timestamp: %s", err)
}
request.CdcStartTime = aws.Time(time.Unix(seconds, 0))
hasChanges = true
}
if d.HasChange("migration_type") {
request.MigrationType = aws.String(d.Get("migration_type").(string))
hasChanges = true
}
if d.HasChange("replication_task_settings") {
request.ReplicationTaskSettings = aws.String(d.Get("replication_task_settings").(string))
hasChanges = true
}
if d.HasChange("table_mappings") {
request.TableMappings = aws.String(d.Get("table_mappings").(string))
hasChanges = true
}
if d.HasChange("tags") {
err := dmsSetTags(d.Get("replication_task_arn").(string), d, meta)
if err != nil {
return err
}
}
if hasChanges {
log.Println("[DEBUG] DMS update replication task:", request)
_, err := conn.ModifyReplicationTask(request)
if err != nil {
return err
}
stateConf := &resource.StateChangeConf{
Pending: []string{"modifying"},
Target: []string{"ready", "stopped", "failed"},
Refresh: resourceAwsDmsReplicationTaskStateRefreshFunc(d, meta),
Timeout: d.Timeout(schema.TimeoutCreate),
MinTimeout: 10 * time.Second,
Delay: 30 * time.Second, // Wait 30 secs before starting
}
// Wait, catching any errors
_, err = stateConf.WaitForState()
if err != nil {
return err
}
return resourceAwsDmsReplicationTaskRead(d, meta)
}
return nil
}
func resourceAwsDmsReplicationTaskDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).dmsconn
request := &dms.DeleteReplicationTaskInput{
ReplicationTaskArn: aws.String(d.Get("replication_task_arn").(string)),
}
log.Printf("[DEBUG] DMS delete replication task: %#v", request)
_, err := conn.DeleteReplicationTask(request)
if err != nil {
if dmserr, ok := err.(awserr.Error); ok && dmserr.Code() == "ResourceNotFoundFault" {
log.Printf("[DEBUG] DMS Replication Task %q Not Found", d.Id())
return nil
}
return err
}
stateConf := &resource.StateChangeConf{
Pending: []string{"deleting"},
Target: []string{},
Refresh: resourceAwsDmsReplicationTaskStateRefreshFunc(d, meta),
Timeout: d.Timeout(schema.TimeoutCreate),
MinTimeout: 10 * time.Second,
Delay: 30 * time.Second, // Wait 30 secs before starting
}
// Wait, catching any errors
_, err = stateConf.WaitForState()
if err != nil {
return err
}
return nil
}
func resourceAwsDmsReplicationTaskSetState(d *schema.ResourceData, task *dms.ReplicationTask) error {
d.SetId(*task.ReplicationTaskIdentifier)
d.Set("migration_type", task.MigrationType)
d.Set("replication_instance_arn", task.ReplicationInstanceArn)
d.Set("replication_task_arn", task.ReplicationTaskArn)
d.Set("replication_task_id", task.ReplicationTaskIdentifier)
d.Set("replication_task_settings", task.ReplicationTaskSettings)
d.Set("source_endpoint_arn", task.SourceEndpointArn)
d.Set("table_mappings", task.TableMappings)
d.Set("target_endpoint_arn", task.TargetEndpointArn)
return nil
}
func resourceAwsDmsReplicationTaskStateRefreshFunc(
d *schema.ResourceData, meta interface{}) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
conn := meta.(*AWSClient).dmsconn
v, err := conn.DescribeReplicationTasks(&dms.DescribeReplicationTasksInput{
Filters: []*dms.Filter{
{
Name: aws.String("replication-task-id"),
Values: []*string{aws.String(d.Id())}, // Must use d.Id() to work with import.
},
},
})
if err != nil {
if dmserr, ok := err.(awserr.Error); ok && dmserr.Code() == "ResourceNotFoundFault" {
return nil, "", nil
}
log.Printf("Error on retrieving DMS Replication Task when waiting: %s", err)
return nil, "", err
}
if v == nil {
return nil, "", nil
}
if v.ReplicationTasks != nil {
log.Printf("[DEBUG] DMS Replication Task status for instance %s: %s", d.Id(), *v.ReplicationTasks[0].Status)
}
return v, *v.ReplicationTasks[0].Status, nil
}
}