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PUT Bucket metadata notification configuration

Contributors netapp-pcarriga netapp-madkat
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The PUT Bucket metadata notification configuration request allows you to enable the search integration service for individual buckets. The metadata notification configuration XML that you supply in the request body specifies the objects whose metadata is sent to the destination search index.

You must have the s3:PutBucketMetadataNotification permission for a bucket, or be account root, to complete this operation.

Request

The request must include the metadata notification configuration in the request body. Each metadata notification configuration includes one or more rules. Each rule specifies the objects that it applies to, and the destination where StorageGRID should send object metadata.

Objects can be filtered on the prefix of the object name. For example, you could send metadata for objects with the prefix /images to one destination, and objects with the prefix /videos to another.

Configurations that have overlapping prefixes aren't valid, and are rejected when they are submitted. For example, a configuration that included one rule for for objects with the prefix test and a second rule for objects with the prefix test2 would not be allowed.

Destinations must be specified using the URN of a StorageGRID endpoint. The endpoint must exist when the metadata notification configuration is submitted, or the request fails as a 400 Bad Request. The error message states: Unable to save the metadata notification (search) policy. The specified endpoint URN does not exist: URN.

<MetadataNotificationConfiguration>
    <Rule>
        <ID>Rule-1</ID>
        <Status>rule-status</Status>
        <Prefix>key-prefix</Prefix>
        <Destination>
           <Urn>arn:aws:es:region:account-ID:domain/mydomain/myindex/mytype</Urn>
        </Destination>
    </Rule>
    <Rule>
        <ID>Rule-2</ID>
         ...
    </Rule>
     ...
</MetadataNotificationConfiguration>

The table describes the elements in the metadata notification configuration XML.

Name Description Required

MetadataNotificationConfiguration

Container tag for rules used to specify the objects and destination for metadata notifications.

Contains one or more Rule elements.

Yes

Rule

Container tag for a rule that identifies the objects whose metadata should be added to a specified index.

Rules with overlapping prefixes are rejected.

Included in the MetadataNotificationConfiguration element.

Yes

ID

Unique identifier for the rule.

Included in the Rule element.

No

Status

Status can be 'Enabled' or 'Disabled'. No action is taken for rules that are disabled.

Included in the Rule element.

Yes

Prefix

Objects that match the prefix are affected by the rule, and their metadata is sent to the specified destination.

To match all objects, specify an empty prefix.

Included in the Rule element.

Yes

Destination

Container tag for the destination of a rule.

Included in the Rule element.

Yes

Urn

URN of the destination where object metadata is sent. Must be the URN of a StorageGRID endpoint with the following properties:

  • es must be the third element.

  • The URN must end with the index and type where the metadata is stored, in the form domain-name/myindex/mytype.

Endpoints are configured using the Tenant Manager or Tenant Management API. They take the following form:

  • arn:aws:es:region:account-ID:domain/mydomain/myindex/mytype

  • urn:mysite:es:::mydomain/myindex/mytype

The endpoint must be configured before the configuration XML is submitted, or configuration will fail with a 404 error.

Urn is included in the Destination element.

Yes

Request examples

This example shows enabling search integration for a bucket. In this example, object metadata for all objects is sent to the same destination.

PUT /test1?x-ntap-sg-metadata-notification HTTP/1.1
Date: date
Authorization: authorization string
Host: host

<MetadataNotificationConfiguration>
    <Rule>
        <ID>Rule-1</ID>
        <Status>Enabled</Status>
        <Prefix></Prefix>
        <Destination>
           <Urn>urn:sgws:es:::sgws-notifications/test1/all</Urn>
        </Destination>
    </Rule>
</MetadataNotificationConfiguration>

In this example, object metadata for objects that match the prefix /images is sent to one destination, while object metadata for objects that match the prefix /videos is sent to a second destination.

PUT /graphics?x-ntap-sg-metadata-notification HTTP/1.1
Date: date
Authorization: authorization string
Host: host

<MetadataNotificationConfiguration>
    <Rule>
        <ID>Images-rule</ID>
        <Status>Enabled</Status>
        <Prefix>/images</Prefix>
        <Destination>
           <Urn>arn:aws:es:us-east-1:3333333:domain/es-domain/graphics/imagetype</Urn>
        </Destination>
    </Rule>
    <Rule>
        <ID>Videos-rule</ID>
        <Status>Enabled</Status>
        <Prefix>/videos</Prefix>
        <Destination>
           <Urn>arn:aws:es:us-west-1:22222222:domain/es-domain/graphics/videotype</Urn>
        </Destination>
    </Rule>
</MetadataNotificationConfiguration>

JSON generated by the search integration service

When you enable the search integration service for a bucket, a JSON document is generated and sent to the destination endpoint each time object metadata or tags are added, updated, or deleted.

This example shows an example of the JSON that could be generated when an object with the key SGWS/Tagging.txt is created in a bucket named test. The test bucket is not versioned, so the versionId tag is empty.

{
  "bucket": "test",
  "key": "SGWS/Tagging.txt",
  "versionId": "",
  "accountId": "86928401983529626822",
  "size": 38,
  "md5": "3d6c7634a85436eee06d43415012855",
  "region":"us-east-1",
  "metadata": {
    "age": "25"
  },
  "tags": {
    "color": "yellow"
  }
}

Object metadata included in metadata notifications

The table lists all the fields that are included in the JSON document that is sent to the destination endpoint when search integration is enabled.

The document name includes the bucket name, object name, and version ID if present.

Type Item name Description

Bucket and object information

bucket

Name of the bucket

Bucket and object information

key

Object key name

Bucket and object information

versionID

Object version, for objects in versioned buckets

Bucket and object information

region

Bucket region, for example us-east-1

System metadata

size

Object size (in bytes) as visible to an HTTP client

System metadata

md5

Object hash

User metadata

metadata key:value

All user metadata for the object, as key-value pairs

Tags

tags key:value

All object tags defined for the object, as key-value pairs
Note For tags and user metadata, StorageGRID passes dates and numbers to Elasticsearch as strings or as S3 event notifications. To configure Elasticsearch to interpret these strings as dates or numbers, follow the Elasticsearch instructions for dynamic field mapping and for mapping date formats. You must enable the dynamic field mappings on the index before you configure the search integration service. After a document is indexed, you can't edit the document's field types in the index.
Related information

Use a tenant account