Queries the list of PolarDB clusters or the details about the list of PolarDB clusters that a RAM user is authorized to access.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String No DescribeDBClusters

The operation that you want to perform. Set the value to DescribeDBClusters.

RegionId String Yes cn-hangzhou

The ID of the region.

Note You can call the DescribeRegions operation to query the available regions.
DBClusterIds String No pc-****************

The ID of the cluster. Separate multiple cluster IDs with commas (,).
DBClusterDescription String No pc-****************

The description of the cluster. It supports fuzzy search.
DBClusterStatus String No Running

The status of the cluster. For more information about valid values, see Cluster status.

DBType String No MySQL

The type of the database. Valid values:

  • MySQL
  • PostgreSQL
  • Oracle
Tag.N.Key String No test1

The tag key. It can be used as a condition to filter the list of clusters. You can specify a maximum of 20 tags. The number N in each key-value pair must be unique and must be consecutive integers that start from 1. The value of the Tag.N.Key parameter is the value of the Tag.n.Vlaue parameter.

Note The value can be at most 64 characters in length and cannot start with aliyun, acs:, http://, or https://.
Tag.N.Value String No 1111

The value of the tag. It can be used as a condition to filter clusters. You can specify a maximum of 20 tags. The number N in each key-value pair must be unique and must be consecutive integers that start from 1. The value of the Tag.N.Value parameter is the value of the Tag.N.Key parameter.

Note The value can be at most 64 characters in length and cannot start with aliyun, acs:, http://, or https://.
PageSize Integer No 30

The number of entries to return on each page. Valid values: 30, 50, or 100.

Default value: 30.

PageNumber Integer No 1

The number of the page to return. The value must be an integer that is larger than 0 and does not exceed the maximum value of the INTEGER data type. Default value: 1.

ResourceGroupId String No rg-**********

The ID of the resource group.

Response parameters

Parameter Type Example Description
Items Array of DBCluster

The list of clusters.
DBCluster
CreateTime String 2020-08-14T05:58:42Z

The time when the cluster was created.
DBClusterDescription String test

The description of the cluster.
DBClusterId String pc-****************

The ID of the cluster.
DBClusterNetworkType String VPC

The network type of the cluster.
DBClusterStatus String Running

The status of the cluster.
DBNodeClass String polar.mysql.x4.large

The specification of the node.
DBNodeNumber Integer 2

The number of nodes.
DBNodes Array of DBNode

The list of nodes.
DBNode
DBNodeClass String polar.mysql.x4.large

The specification of the node.
DBNodeId String pi-****************

The ID of the node.
DBNodeRole String Reader

The role of the node. Valid values:

  • Writer: primary node
  • Reader: read-only node
RegionId String cn-hangzhou

The ID of the region.
ZoneId String cn-hangzhou-i

The ID of the zone.
DBType String MySQL

The type of the database.
DBVersion String 5.6

The version of the database.
DeletionLock Integer 0

Indicates the deletion protection status of the cluster. Valid values:

  • 0: The cluster is not locked.
  • 1: The cluster is locked.
    Note You cannot delete the cluster if the cluster is locked.
Engine String POLARDB

The engine of the cluster.
ExpireTime String 2020-11-14T16:00:00Z

The time when the cluster expires.

Note A specific parameter value is returned for only subscription clusters whose payment method is Prepaid. An empty string is returned for pay-as-you-go clusters whose payment method is Postpaid.
Expired String false

Indicates whether the cluster has expired.

Note This parameter is returned for only subscription clusters whose payment method is Prepaid.
LockMode String Unlock

The lock status of the cluster. Valid values:

  • Unlock: The cluster is normal.
  • ManualLock: The cluster is manually locked.
  • LockByExpiration: The cluster is automatically locked after the cluster expires.
PayType String Prepaid

The billing method. Valid values:

  • Postpaid: pay-as-you-go
  • Prepaid: subscription
RegionId String cn-hangzhou

The ID of the region.
ResourceGroupId String rg-************

The ID of the resource group.
StorageUsed Long 3009413120

The storage usage.
Tags Array of Tag

The list of tags.
Tag
Key String MySQL

The tag key.
Value String 5.6

The value of the tag.
VpcId String vpc-****************

The ID of the VPC.
ZoneId String cn-hangzhou-i

The ID of the zone.
PageNumber Integer 1

The page number of the returned page.
PageRecordCount Integer 1

The number of clusters returned on the current page.
RequestId String 9B7BFB11-C077-4FE3-B051-F69CEB******

The ID of the request.
TotalRecordCount Integer 1

The total number of entries.

Examples

Sample requests

http(s)://polardb.aliyuncs.com/? Action=DescribeDBClusters
&RegionId=cn-hangzhou
&<Common request parameters>

Sample success responses

XML format 

<DescribeDBClustersResponse>
  <TotalRecordCount>1</TotalRecordCount>
  <PageRecordCount>1</PageRecordCount>
  <RequestId>9B7BFB11-C077-4FE3-B051-F69CEB******</RequestId>
  <PageNumber>1</PageNumber>
  <Items>
        <DBCluster>
              <DeletionLock>0</DeletionLock>
              <ZoneId>cn-hangzhou-i</ZoneId>
              <ResourceGroupId>rg-***************</ResourceGroupId>
              <DBClusterStatus>Running</DBClusterStatus>
              <CreateTime>2020-08-14T05:58:42Z</CreateTime>
              <DBClusterId>pc-****************</DBClusterId>
              <DBClusterDescription>test</DBClusterDescription>
              <Expired>false</Expired>
              <PayType>Prepaid</PayType>
              <DBClusterNetworkType>VPC</DBClusterNetworkType>
              <DBType>MySQL</DBType>
              <LockMode>Unlock</LockMode>
              <DBNodeClass>polar.mysql.x4.large</DBNodeClass>
              <StorageUsed>3009413120</StorageUsed>
              <DBVersion>5.6</DBVersion>
              <DBNodeNumber>2</DBNodeNumber>
              <VpcId>vpc-****************</VpcId>
              <DBNodes>
                    <DBNode>
                          <ZoneId>cn-hangzhou-i</ZoneId>
                          <DBNodeRole>Writer</DBNodeRole>
                          <DBNodeId>pi-****************</DBNodeId>
                          <RegionId>cn-hangzhou</RegionId>
                          <DBNodeClass>polar.mysql.x4.large</DBNodeClass>
                    </DBNode>
                    <DBNode>
                          <ZoneId>cn-hangzhou-i</ZoneId>
                          <DBNodeRole>Reader</DBNodeRole>
                          <DBNodeId>pi-****************</DBNodeId>
                          <RegionId>cn-hangzhou</RegionId>
                          <DBNodeClass>polar.mysql.x4.large</DBNodeClass>
                    </DBNode>
              </DBNodes>
              <RegionId>cn-hangzhou</RegionId>
              <ExpireTime>2020-11-14T16:00:00Z</ExpireTime>
              <Engine>POLARDB</Engine>
              <Tags>
                    <Tag>
                          <Value>5.6</Value>
                          <Key>MySQL</Key>
                    </Tag>
              </Tags>
        </DBCluster>
  </Items>
</DescribeDBClustersResponse>

JSON format 

{
	"TotalRecordCount": 1,
	"PageRecordCount": 1,
	"RequestId": "9B7BFB11-C077-4FE3-B051-F69CEB******",
	"PageNumber": 1,
	"Items": {
		"DBCluster": [
			{
				"DeletionLock": 0,
				"ZoneId": "cn-hangzhou-i",
				"ResourceGroupId": "rg-***************",
				"DBClusterStatus": "Running",
				"CreateTime": "2020-08-14T05:58:42Z",
				"DBClusterId": "pc-****************",
				"DBClusterDescription": "test",
				"Expired": false,
				"PayType": "Prepaid",
				"DBClusterNetworkType": "VPC",
				"DBType": "MySQL",
				"LockMode": "Unlock",
				"DBNodeClass": "polar.mysql.x4.large",
				"StorageUsed": 3009413120,
				"DBVersion": "5.6",
				"DBNodeNumber": "2",
				"VpcId": "vpc-****************",
				"DBNodes": {
					"DBNode": [
						{
							"ZoneId": "cn-hangzhou-i",
							"DBNodeRole": "Writer",
							"DBNodeId": "pi-****************",
							"RegionId": "cn-hangzhou",
							"DBNodeClass": "polar.mysql.x4.large"
						},
						{
							"ZoneId": "cn-hangzhou-i",
							"DBNodeRole": "Reader",
							"DBNodeId": "pi-****************",
							"RegionId": "cn-hangzhou",
							"DBNodeClass": "polar.mysql.x4.large"
						}
					]
				},
				"RegionId": "cn-hangzhou",
				"ExpireTime": "2020-11-14T16:00:00Z",
				"Engine": "POLARDB",
				"Tags": {
					"Tag": [
                        {
							"Value": "5.6",
							"Key": "MySQL"
						}
                    ]
				}
			}
		]
	}
}

Error codes

For a list of error codes, visit the API Error Center.