This topic describes the detailed parameters of the DBInstances parameter that is used in the DescribePrice operation. You can call the DescribePrice operation to query the fees incurred when you create, upgrade, or renew an ApsaraDB for MongoDB instance.

Parameter Type Required Description Example
DBInstanceId String No The ID of the instance. You can call the DescribeDBInstances operation to query the list of one or more ApsaraDB for MongoDB instances. This parameter is required when the OrderType parameter is set to UPGRADE or RENEW. dds-bp1xxxxxxxxxxxxx
RegionId String Yes The region ID of the instance. You can call the DescribeRegions operation to query available regions. cn-hangzhou
ZoneId String Yes The zone ID of the instance. You can call the DescribeRegions operation to query available zones. cn-hangzhou-h
Engine String Yes The database engine that the instance runs. Set the value to MongoDB. MongoDB
EngineVersion String Yes The version of the database engine. Valid values:
  • 3.4
  • 4.0
  • 4.2
 4.2
DBInstanceClass String No The instance type. For more information, see Instance types. dds.mongo.mid
DBInstanceStorage String Yes The storage capacity of the instance. Unit: GB. 20
ReplicationFactor String No The number of nodes in the instance. Valid values:
  • 1
  • 3
  • 5
  • 7
 3
NetworkType String No The network type of the instance. Valid values:
  • VPC
  • Classic

Default value: Classic.

VPC
VPCId String No The ID of the VPC. This parameter is required when the NetworkType parameter is set to VPC. vpc-bp1xxxxxxxxxxxxxx
VSwitchId String No The ID of the vSwitch. This parameter is required when the NetworkType parameter is set to VPC. vsw-bp1xxxxxxxxxxxxxx
ChargeType String No The billing method of the instance. Valid values:
  • PostPaid: pay-as-you-go
  • PrePaid: subscription
PostPaid
AutoPay String No Specifies whether to enable auto-renewal for the instance. Valid values:
  • True: enables auto-renewal for the instance.
  • False: disables auto-renewal for the instance.
True
Period String No The subscription period of the instance. Unit: months. This parameter is required when the ChargeType parameter is set to PrePaid. 1
configServers JSON No The specifications of the Configserver nodes in a sharded cluster instance. Subparameters:
  • nodeClass: the instance type of the Configserver nodes.
  • nodeStorage: the storage capacity of the Configserver nodes.
Set the value to [{"nodeClass":"dds.cs.mid","nodeStorage":"20"}]. 		[{"nodeClass":"dds.cs.mid","nodeStorage":"20"}]
mongos JSON No The specifications of the mongos nodes in a sharded cluster instance. For more information, see Instance types. Subparameter:
  • nodeClass: the instance types of the mongos nodes.
[{"nodeClass":"dds.mongos.mid"},{"nodeClass":"dds.mongos.mid"}]
shards JSON No The specifications of the shard nodes in a sharded cluster instance. For more information, see Instance types. Subparameters:
  • nodeClass: the instance types of the shard nodes.
  • nodeStorage: the storage capacity of the shard nodes.
  • ReadonlyReplicas: the number of read-only nodes. Valid values: 0, 1, 2, 3, 4, and 5.
[{"nodeClass":"dds.shard.mid","ReadonlyReplicas":"1","nodeStorage":"10"},{"nodeClass":"dds.shard.mid","ReadonlyReplicas":"1","nodeStorage":"10"}]