Request Syntax Request Parameters Response Syntax Response Elements Errors Examples See Also

StartReplicationTaskAssessmentRun

Starts a new premigration assessment run for one or more individual assessments of a migration task.

The assessments that you can specify depend on the source and target database engine and the migration type defined for the given task. To run this operation, your migration task must already be created. After you run this operation, you can review the status of each individual assessment. You can also run the migration task manually after the assessment run and its individual assessments complete.

Request Syntax


{
   "AssessmentRunName": "string",
   "Exclude": [ "string" ],
   "IncludeOnly": [ "string" ],
   "ReplicationTaskArn": "string",
   "ResultEncryptionMode": "string",
   "ResultKmsKeyArn": "string",
   "ResultLocationBucket": "string",
   "ResultLocationFolder": "string",
   "ServiceAccessRoleArn": "string"
}

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

AssessmentRunName

Unique name to identify the assessment run.

Type: String

Required: Yes

Exclude

Space-separated list of names for specific individual assessments that you want to exclude. These names come from the default list of individual assessments that Amazon DMS supports for the associated migration task. This task is specified by ReplicationTaskArn.

Note

You can't set a value for Exclude if you also set a value for IncludeOnly in the API operation.

To identify the names of the default individual assessments that Amazon DMS supports for the associated migration task, run the DescribeApplicableIndividualAssessments operation using its own ReplicationTaskArn request parameter.

Type: Array of strings

Required: No

IncludeOnly

Space-separated list of names for specific individual assessments that you want to include. These names come from the default list of individual assessments that Amazon DMS supports for the associated migration task. This task is specified by ReplicationTaskArn.

Note

You can't set a value for IncludeOnly if you also set a value for Exclude in the API operation.

Type: Array of strings

Required: No

ReplicationTaskArn

Amazon Resource Name (ARN) of the migration task associated with the premigration assessment run that you want to start.

Type: String

Required: Yes

ResultEncryptionMode

Encryption mode that you can specify to encrypt the results of this assessment run. If you don't specify this request parameter, Amazon DMS stores the assessment run results without encryption. You can specify one of the options following:

"SSE_S3" – The server-side encryption provided as a default by Amazon S3.
"SSE_KMS" – Amazon Key Management Service (Amazon KMS) encryption. This encryption can use either a custom KMS encryption key that you specify or the default KMS encryption key that DMS provides.

Type: String

Required: No

ResultKmsKeyArn

ARN of a custom KMS encryption key that you specify when you set ResultEncryptionMode to "SSE_KMS".

Type: String

Required: No

ResultLocationBucket

Amazon S3 bucket where you want Amazon DMS to store the results of this assessment run.

Type: String

Required: Yes

ResultLocationFolder

Folder within an Amazon S3 bucket where you want Amazon DMS to store the results of this assessment run.

Type: String

Required: No

ServiceAccessRoleArn

ARN of the service role needed to start the assessment run. The role must allow the iam:PassRole action.

Type: String

Required: Yes

Response Syntax


{
   "ReplicationTaskAssessmentRun": { 
      "AssessmentProgress": { 
         "IndividualAssessmentCompletedCount": number,
         "IndividualAssessmentCount": number
      },
      "AssessmentRunName": "string",
      "LastFailureMessage": "string",
      "ReplicationTaskArn": "string",
      "ReplicationTaskAssessmentRunArn": "string",
      "ReplicationTaskAssessmentRunCreationDate": number,
      "ResultEncryptionMode": "string",
      "ResultKmsKeyArn": "string",
      "ResultLocationBucket": "string",
      "ResultLocationFolder": "string",
      "ServiceAccessRoleArn": "string",
      "Status": "string"
   }
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

ReplicationTaskAssessmentRun

The premigration assessment run that was started.

Type: ReplicationTaskAssessmentRun object

Errors

For information about the errors that are common to all actions, see Common Errors.

AccessDeniedFault

Amazon DMS was denied access to the endpoint. Check that the role is correctly configured.

HTTP Status Code: 400

InvalidResourceStateFault

The resource is in a state that prevents it from being used for database migration.

HTTP Status Code: 400

KMSAccessDeniedFault

The ciphertext references a key that doesn't exist or that the DMS account doesn't have access to.

HTTP Status Code: 400

KMSDisabledFault

The specified KMS key isn't enabled.

HTTP Status Code: 400

KMSFault

An Amazon Key Management Service (Amazon KMS) error is preventing access to Amazon KMS.

HTTP Status Code: 400

KMSInvalidStateFault

The state of the specified Amazon KMS resource isn't valid for this request.

HTTP Status Code: 400

KMSKeyNotAccessibleFault

Amazon DMS cannot access the KMS key.

HTTP Status Code: 400

KMSNotFoundFault

The specified Amazon KMS entity or resource can't be found.

HTTP Status Code: 400

ResourceAlreadyExistsFault

The resource you are attempting to create already exists.

HTTP Status Code: 400

ResourceNotFoundFault

The resource could not be found.

HTTP Status Code: 400

S3AccessDeniedFault

Insufficient privileges are preventing access to an Amazon S3 object.

HTTP Status Code: 400

S3ResourceNotFoundFault

A specified Amazon S3 bucket, bucket folder, or other object can't be found.

HTTP Status Code: 400

Examples

Example

This example illustrates one usage of StartReplicationTaskAssessmentRun.

Sample Request



POST / HTTP/1.1
Host: dms.<region>.<domain>
x-amz-Date: <Date>
Authorization: AWS4-HMAC-SHA256
Credential=<Credential>,
SignedHeaders=contenttype;date;host;user-
agent;x-amz-date;x-amz-target;x-amzn-
requestid,Signature=<Signature>
User-Agent: <UserAgentString>
Content-Type: application/x-amz-json-1.1
Content-Length: <PayloadSizeBytes>
Connection: Keep-Alive
X-Amz-Target: AmazonDMSv20160101.StartReplicationTaskAssessmentRun
{
  "ReplicationTaskArn": "arn:aws:dms:us-west-2:123456789012:task:L6XROPGLRF25LCREVEDPT3XL5QJM5IZNUSVFV6Q",
  "ServiceAccessRoleArn": "arn:aws:iam::123456789012:role/Admin",
  "ResultLocationBucket": "s3-endpoint-bucket",
  "ResultLocationFolder": "",
  "AssessmentRunName": "Assessment-run-2020-07-10-18-02-12",
  "IncludeOnly": [
    "full-lob-not-nullable-at-target",
    "table-with-lob-but-without-primary-key-or-unique-constraint",
    "unsupported-data-types-in-source"
  ]
}

Sample Response



HTTP/1.1 200 OK
x-amzn-RequestId: <RequestId>
Content-Type: application/x-amz-json-1.1
Content-Length: <PayloadSizeBytes>
Date: <Date>
{
  "ReplicationTaskAssessmentRun": {
    "AssessmentProgress": {
      "IndividualAssessmentCompletedCount": 0,
      "IndividualAssessmentCount": 3
    },
    "AssessmentRunName": "Assessment-run-2020-07-10-18-02-12",
    "ReplicationTaskArn": "arn:aws:dms:us-west-2:123456789012:task:L6XROPGLRF25LCREVEDPT3XL5QJM5IZNUSVFV6Q",
    "ReplicationTaskAssessmentRunArn": "arn:aws:dms:us-west-2:123456789012:assessment-run:W22Q73FR2FBBHSBENXMNMYEWFHX6YTIQUN4OTLA",
    "ReplicationTaskAssessmentRunCreationDate": 1594429350.259,
    "ResultEncryptionMode": "NONE",
    "ResultLocationBucket": "s3-endpoint-bucket",
    "ResultLocationFolder": "",
    "ServiceAccessRoleArn": "arn:aws:iam::123456789012:role/Admin",
    "Status": "starting"
  }
}