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Cross-Region Replication

Last updated: 2020-06-04 11:01:05

    Overview

    This document provides an overview of APIs and SDK code samples related to cross-region replication.

    API Operation Description
    PUT Bucket replication Setting cross-region replication Sets the cross-region replication rules for a bucket
    GET Bucket replication Querying cross-region replication Queries the cross-region replication rules of a bucket
    DELETE Bucket replication Deleting cross-region replication Deletes the cross-region replication rules of a bucket

    Setting cross-region replication rules

    Feature description

    This API is used to set the cross-region replication rules for a bucket.

    Buckets must have version control enabled to use cross-region replication.

    Sample request

    cos.putBucketReplication({
        Bucket: 'examplebucket-1250000000', /*Required*/
        Region: 'COS_REGION',     /* Bucket region. Required */
        ReplicationConfiguration: { /*Required*/
            Role: "qcs::cam::uin/100000000001:uin/100000000001",
            Rules: [{
                ID: "1",
                Status: "Enabled",
                Prefix: "sync/",
                Destination: {
                    Bucket: "qcs::cos:ap-beijing::destinationbucket-1250000000",
                    StorageClass: "Standard",
                }
            }]
        }
    }, function (err, data) {
        console.log(err || data);
    });

    Parameter description

    Parameter Name Description Type Required
    Bucket Source bucket in the format: BucketName-APPID String Yes
    Region Bucket region. For the enumerated values, see Regions and Access Domain Names String Yes
    ReplicationConfiguration Defines cross-region replication rules Object Yes
    - Role The role used in the replication process.
    Format: qcs::cam::uin/100000000001:uin/100000000011.
    100000000001 is a root account, while 100000000011 is a sub-account
    Object No
    - Rules List of specific replication rules ObjectArray Yes
    - - ID Identifies the ID of a specific rule String No
    - - Status Identifies whether the rule is in effect. Enumerated values: Enabled, Disabled String Yes
    - - Prefix Prefix matching policy (blank for root directory). Prefixes cannot overlap; otherwise, an error is returned. String No
    - - Destination Destination bucket information Object Yes
    - - - Bucket Destination bucket name in the format: qcs::cos:<Region>::<BucketName-APPID>
    Example: qcs::cos:ap-beijing::destinationbucket-1250000000
    Object Yes
    - - - StorageClass Storage class of the copied object; enumerated values: STANDARD, STANDARD_IA. Default value: STANDARD Object No

    Callback function description

    function(err, data) { ... }
    Parameter Name             Description Type
    err Object returned when an error (network error or service error) occurs. If the request is successful, this is null. For more information, see Error Codes Object
    - statusCode HTTP status code returned by the request, such as 200, 403, and 404 Number
    - headers Header information returned by the request Object
    data Data returned when the request is successful. If the request fails, this is null Object
    - statusCode HTTP status code returned by the request, such as 200, 403, and 404 Number
    - headers Header information returned by the request Object

    Querying cross-region replication rules

    Feature description

    This API is used to query the cross-region replication rules of a bucket.

    Sample request

    cos.getBucketReplication({
        Bucket: 'examplebucket-1250000000', /*Required*/
        Region: 'COS_REGION',     /* Bucket region. Required */
    }, function(err, data) {
        console.log(err || data);
    });

    Sample Response

    {
        "ReplicationConfiguration": {
            "Role": "qcs::cam::uin/100000000001:uin/100000000001",
            "Rules": {
                "ID": "1",
                "Status": "Enabled",
                "Prefix": "sync/",
                "Destination": {
                    "Bucket": "qcs::cos:ap-beijing::destinationbucket-1250000000",
                    "StorageClass": "Standard"
                }
            }
        },
        "statusCode": 200,
        "headers": {}
    }

    Parameter description

    Parameter Name Description Type Required
    Bucket Bucket name is in the format: BucketName-APPID. The bucket name entered here must be in this format String Yes
    Region Bucket region. For the enumerated values, see Regions and Access Domain Names String Yes

    Callback function description

    function(err, data) { ... }
    Parameter Name                                 Description Type
    err Object returned when an error (network error or service error) occurs. If the request is successful, this is null. For more information, see Error Codes Object
    data Data returned when the request is successful. If the request fails, this is null Object
    - ReplicationConfiguration Cross-region replication rule Object
    - - Role The role used in the replication process.
    Format: qcs::cam::uin/100000000001:uin/100000000011.
    100000000001 is a root account, while 100000000011 is a sub-account
    Object
    - - Rules List of specific replication rules ObjectArray
    - - - ID Identifies the ID of a specific rule String
    - - - Status Identifies whether the rule is in effect. Enumerated values: Enabled, Disabled String
    - - - Prefix Prefix matching policy (blank for root directory). Prefixes cannot overlap; otherwise, an error is returned. String
    - - - Destination Destination bucket information Object
    - - - - Bucket Destination bucket name in the format: qcs::cos:<Region>::<BucketName-APPID>
    Example: qcs::cos:ap-beijing::destinationbucket-1250000000
    Object
    - - - - StorageClass Storage class of the copied object; enumerated values: STANDARD, STANDARD_IA. Default value: STANDARD Object

    Deleting cross-region replication rules

    Feature description

    This API is used to delete the cross-region replication rules of a bucket.

    Sample request

    cos.deleteBucketReplication({
        Bucket: 'examplebucket-1250000000', /*Required*/
        Region: 'COS_REGION',     /* Bucket region. Required */
    }, function(err, data) {
        console.log(err || data);
    });

    Parameter description

    Parameter Name Description Type Required
    Bucket Bucket name is in the format: BucketName-APPID. The bucket name entered here must be in this format String Yes
    Region Bucket region. For the enumerated values, see Regions and Access Domain Names String Yes

    Callback function description

    function(err, data) { ... }
    Parameter Name                Description Type
    err Object returned when an error (network error or service error) occurs. If the request is successful, this is null. For more information, see Error Codes Object
    - statusCode HTTP status code returned by the request, such as 200, 403, and 404 Number
    - headers Header information returned by the request Object
    data Data returned when the request is successful. If the request fails, this is null. Object
    - statusCode HTTP status code returned by the request, such as 200, 403, and 404 Number
    - headers Header information returned by the request Object
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