Adding a Tag

Function

This API is used to add a tag to a DB instance.

URI

• URI format

  PATH: /v1/{project_id}/rds/{instanceId}/tags

  Method: POST

• Parameter description

  Table 1 Parameter description

  Name	Mandatory	Description
  project_id	Yes	Specifies the project ID of a tenant in a region.
  instanceId	Yes	Specifies the primary node ID of the DB instance.

• Restrictions
  • A maximum of 20 tags can be added for each DB instance. The tag key must be unique.
  • If the key in the request body is the same as an existing key in the specified DB instance, the value of the key is overwritten.
  • Standby DB instances do not support tag adding.

Request

• Parameter description

  Table 2 Parameter description

  Name	Mandatory	Type	Description
  tag	Yes	Dictionary data structure. For details, see Table 3.	Specifies the tag information.

  Table 3 tag field data structure description

  Name	Mandatory	Type	Description
  key	Yes	String	Specifies the tag key. Its value cannot be empty and must be 1 to 36 Unicode characters in length. It cannot contain nonprintable ASCII characters (0–31) and the following special characters: *<>\=
  value	Yes	String	Specifies the tag value. Its value can be empty or 1 to 43 Unicode characters in length. It cannot contain nonprintable ASCII characters (0–31) and the following special characters: *<>\=

• Request example

  {
       "tag":
          {
              "key": "ENV", 
              "value":"DEV"
          }    
  }

Normal Response

{}

Abnormal Response

For details, see Abnormal Request Results.