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    Cross-Region Replication

    Last updated: 2024-02-04 17:46:30
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      Overview

      This document provides an overview of APIs and SDK code samples related to cross-region replication.
      API
      Operation
      Description
      Setting cross-region replication
      Sets the cross-region replication rules for a bucket
      Querying cross-region replication
      Queries the cross-region replication rules of a bucket
      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 versioning 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 object after replication; enumerated values: STANDARD, STANDARD_IA, ARCHIVE. 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 for which cross-region replication is queried in the format: BucketName-APPID
      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 object after replication; enumerated values: STANDARD, STANDARD_IA, ARCHIVE. 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 for which cross-region replication is deleted in the format: BucketName-APPID
      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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