Adds a shard or mongos node for an ApsaraDB for MongoDB sharded cluster instance.
Operation Description
Before you call this operation, make sure that you fully understand the billing methods and pricing of ApsaraDB for MongoDB.
This operation is applicable only to sharded cluster instances.
Authorization information
The following table is the authorization information corresponding to the API, which can be found in the RAM permission policy statement.Action
Used in the element to grant the RAM user or RAM role permission to call this API. The specific instructions are as follows:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All resources
is used in the Resource type column of the operation.
- Condition keyword: refers to the condition keyword defined by the cloud product itself.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
Operate | access level | Resource type | conditional keyword | Association operation |
---|---|---|---|---|
dds:CreateNode | WRITE |
|
|
without |
Request parameters
Parameter | Type | Required | Description | Example |
---|---|---|---|---|
DBInstanceId | string | Yes |
The ID of the sharded cluster instance. |
dds-bp11501cd7b5**** |
NodeClass | string | Yes |
The specifications of the shard or mongos node. For more information, see Instance types. |
dds.shard.mid |
NodeStorage | integer | No |
The disk capacity of the node. Unit: GB. Valid values: 10 to 2000. The value must be a multiple of 10. Unit: GB.
Note
This parameter is required if the NodeType parameter is set to shard.
|
10 |
NodeType | string | Yes |
The type of the node. Valid values:
|
shard |
ClientToken | string | No |
The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must make sure that it is unique among different requests. The token can contain only ASCII characters and cannot exceed 64 characters in length. |
ETnLKlblzczshOTUbOCz**** |
AutoPay | boolean | No |
Specifies whether to enable automatic payment. Default value: true. Valid values:
Note
This parameter is required when the billing method of the instance is subscription.
|
true |
ReadonlyReplicas | integer | No |
The number of read-only nodes in the shard node. Valid values: 0 to 5. The value must be an integer. Default value: 0.
Note
This parameter is available only for ApsaraDB for MongoDB instances that are purchased on the China site (aliyun.com).
|
5 |
BusinessInfo | string | No |
The business information. This is an additional parameter. |
{“ActivityId":"000000000"} |
CouponNo | string | No |
The coupon code. Default value: youhuiquan_promotion_option_id_for_blank. |
youhuiquan_promotion_option_id_for_blank |
ShardDirect | boolean | No |
Specifies whether to apply for an endpoint for the shard node. Default value: false. Valid values:
|
false |
AccountName | string | No |
The username of the account. The username must meet the following requirements:
Note
|
ceshi |
AccountPassword | string | No |
The password of the account. The password must meet the following requirements:
Note
The account password of the shard node cannot be reset.
|
123+abc |
Response parameters
Example
Normal return example
JSON
Format
{
"RequestId": "7D48FB19-20CA-4725-A870-3D8F5CE6****",
"NodeId": "d-bp1b234bf7a4****",
"OrderId": "20951063702****"
}
Error codes
For a list of error codes, visit the API error center.