Restoring Data to a New DB Instance

Function

This API is used to restore data to a new DB instance.

Before calling an API, you need to understand the API in Authentication.
Before calling this API, obtain the required region and endpoint.

Constraints

The DB engine of the original DB instance must be the same as that of the target DB instance. For example, if the original DB instance is running MySQL, the target DB instance must also run MySQL.
All DB engine versions of the original and new DB instances must be consistent.
The total volume size of the new DB instance must be greater than or equal to that of the original DB instance.

URI

URI format
POST https://{Endpoint}/v3/{project_id}/instances

Parameter description

**Table 1** Parameter description
Name	Mandatory	Description
project_id	Yes	Specifies the project ID of a tenant in a region. For details about how to obtain the project ID, see Obtaining a Project ID.

Request

Parameter description

**Table 2** Parameter description
Name	Mandatory	Type	Description
name	Yes	String	Specifies the DB instance name. The value must be 4 to 64 characters in length and start with a letter. It is case-insensitive and can contain only letters, digits, hyphens (-), and underscores (_).
ha	No	Object	Specifies the HA configuration parameters, which are used when creating primary/standby DB instances. For details, see Table 3.
configuration_id	No	String	Specifies the parameter template ID.
port	No	String	Specifies the database port information. The MySQL database port ranges from 1024 to 65535 (excluding 12017 and 33071, which are occupied by the RDS system and cannot be used). The PostgreSQL database port ranges from 2100 to 9500. The Microsoft SQL Server database port is 1433 or ranges from 2100 to 9500 (excluding 5355 and 5985). If this parameter is not set, the default value is as follows: For MySQL, the default value is 3306. For PostgreSQL, the default value is 5432. For Microsoft SQL Server, the default value is 1433.
password	Yes	String	Specifies the database password. Valid value: The password must consist of 8 to 32 characters and contain at least three types of the following characters: uppercase letters, lowercase letters, digits, and special characters (~!@#%^*-_=+?). You are advised to enter a strong password to improve security, preventing security risks such as brute force cracking.
backup_strategy	No	Object	Specifies the advanced backup policy. For details, see Table 4.
flavor_ref	Yes	String	Specifies the specification code. The value cannot be empty. For details, see spec_code in section Querying Database Specifications.
volume	Yes	Object	Specifies the volume information. For details, see Table 5.
availability_zone	Yes	String	Specifies the AZ ID. If the DB instance is not a single instance, you need to specify an AZ for each node of the instance and separate the AZs with commas (,). For details, see the example.
vpc_id	Yes	String	Specifies the VPC ID. To obtain this parameter value, use either of the following methods: Method 1: Log in to VPC console and view the VPC ID in the VPC details.
subnet_id	Yes	String	Specifies the network ID. To obtain this parameter value, use either of the following methods: Method 1: Log in to VPC console and click the target subnet on the Subnets page. You can view the network ID on the displayed page. Method 2: See the "Querying Subnets" section in the Virtual Private Cloud API Reference.
security_group_id	No	String	Specifies the security group which the RDS DB instance belongs to. To obtain this parameter value, use either of the following methods: Method 1: Log in to VPC console. Choose Access Control > Security Groups in the navigation pane on the left. On the displayed page, click the target security group. You can view the security group ID on the displayed page. Method 2: See the "Querying Security Groups" section in the Virtual Private Cloud API Reference.
restore_point	Yes	Object	Specifies the restoration information. For details, see Table 6.

**Table 3** ha field data structure description
Name	Mandatory	Type	Description
mode	Yes	String	Specifies the DB instance type. The value is Ha (primary/standby DB instances) and is case-insensitive.
replication_mode	Yes	String	Specifies the replication mode for the standby DB instance. The value cannot be empty. For MySQL, the value is async or semisync. For PostgreSQL, the value is async or sync. For Microsoft SQL Server, the value is sync. NOTE: async indicates the asynchronous replication mode. semisync indicates the semi-synchronous replication mode. sync indicates the synchronous replication mode.

**Table 4** backup_strategy field data structure description
Name	Mandatory	Type	Description
start_time	Yes	String	Specifies the backup time window. Automated backups will be triggered during the backup time window. The value cannot be empty. It must be a valid value in the "hh:mm-HH:MM" format. The current time is in the UTC format. The HH value must be 1 greater than the hh value. The values of mm and MM must be the same and must be set to any of the following: 00, 15, 30, or 45. Example value: 08:15-09:15 23:00-00:00
keep_days	No	Integer	Specifies the retention days for specific backup files. The value range is from 0 to 732. If this parameter is not specified or set to 0, the automated backup policy is disabled. To extend the retention period, contact customer service. Automated backups can be retained for up to 2562 days.

**Table 5** volume field data structure description
Name	Mandatory	Type	Description
type	Yes	String	Specifies the volume type. Its value can be any of the following and is case-sensitive: ULTRAHIGH: indicates the SSD type.
size	Yes	Integer	Specifies the volume size. Its value range is from 40 GB to 4000 GB. The value must be a multiple of 10. NOTICE: The volume size of the new DB instance must be greater than or equal to that of the original DB instance.

**Table 6** restore_point field data structure description
Name	Mandatory	Type	Description
instance_id	Yes	String	Specifies the DB instance ID.
type	Yes	String	Specifies the restoration mode. Enumerated values include: backup: indicates restoration from backup files. In this mode, backup_id is mandatory when type is not mandatory. timestamp: indicates point-in-time restoration. In this mode, restore_time is mandatory when type is mandatory.
backup_id	No	String	Specifies the ID of the backup used to restore data. This parameter must be specified when the backup file is used for restoration. NOTICE: When type is not mandatory, backup_id is mandatory.
restore_time	No	Integer	Specifies the time point of data restoration in the UNIX timestamp. The unit is millisecond and the time zone is UTC. NOTICE: When type is mandatory, restore_time is mandatory.

**Table 7** charge_info field data structure description
Name	Mandatory	Type	Description
charge_mode	Yes	String	Specifies the billing mode.

Request example
Use backup files for restoration:

Use PITR for restoration:

Response

Normal response

**Table 8** Parameter description
Name	Type	Description
instance	Object	Indicates the DB instance information. For details, see Table 9.
job_id	String	Indicates the ID of the DB instance creation task. This parameter is returned only for the restoration to a new DB instance billed on the pay-per-use basis.

**Table 9** instance description
Name	Type	Description
id	String	Indicates the DB instance ID.
name	String	Indicates the DB instance name. The value must be 4 to 64 characters in length and start with a letter. It is case-insensitive and can contain only letters, digits, hyphens (-), and underscores (_).
status	String	Indicates the DB instance status. For example, BUILD indicates that the DB instance is being created.
datastore	Object	Indicates the database information. For details, see Table 10.
ha	Object	Indicates the HA configuration parameters. This parameter is returned only when primary/standby DB instances are created. For details, see Table 11.
configuration_id	String	Indicates the parameter template ID. This parameter is returned only when a custom parameter template is used during DB instance creation.
port	String	Indicates the database port information. The MySQL database port ranges from 1024 to 65535 (excluding 12017 and 33071, which are occupied by the RDS system and cannot be used). The PostgreSQL database port ranges from 2100 to 9500. The Microsoft SQL Server database port is 1433 or ranges from 2100 to 9500 (excluding 5355 and 5985). If this parameter is not set, the default value is as follows: For MySQL, the default value is 3306. For PostgreSQL, the default value is 5432. For Microsoft SQL Server, the default value is 1433.
backup_strategy	Object	Indicates the automated backup policy. For details, see Table 12.
flavor_ref	String	Indicates the specification ID. For details, see spec_code in Table 3 in section Querying Database Specifications.
volume	Object	Indicates the volume information. For details, see Table 13.
region	String	Indicates the region ID.
availability_zone	String	Indicates the AZ ID.
vpc_id	String	Indicates the VPC ID. To obtain this parameter value, use either of the following methods: Method 1: Log in to VPC console and view the VPC ID in the VPC details.
subnet_id	String	Indicates the network ID. To obtain this parameter value, use either of the following methods: Method 1: Log in to VPC console and click the target subnet on the Subnets page. You can view the network ID on the displayed page. Method 2: See the "Querying Subnets" section in the Virtual Private Cloud API Reference.
security_group_id	String	Indicates the security group which the RDS DB instance belongs to. To obtain this parameter value, use either of the following methods: Method 1: Log in to VPC console. Choose Access Control > Security Groups in the navigation pane on the left. On the displayed page, click the target security group. You can view the security group ID on the displayed page. Method 2: See the "Querying Security Groups" section in the Virtual Private Cloud API Reference.

**Table 10** datastore field data structure description
Name	Mandatory	Type	Description
type	Yes	String	Indicates the DB engine. Its value can be any of the following and is case-insensitive: MySQL PostgreSQL SQLServer
version	Yes	String	Indicates the database version. For details about supported database versions, see section Querying Version Information About a DB Engine.

**Table 11** ha field data structure description
Name	Mandatory	Type	Description
mode	Yes	String	Indicates the DB instance type. The value is Ha (primary/standby DB instances).
replication_mode	Yes	String	Indicates the replication mode for the standby DB instance. The value cannot be empty. For MySQL, the value is async or semisync. For PostgreSQL, the value is async or sync. For Microsoft SQL Server, the value is sync. NOTE: async indicates the asynchronous replication mode. semisync indicates the semi-synchronous replication mode. sync indicates the synchronous replication mode.

**Table 12** backupStrategy field data structure description
Name	Mandatory	Type	Description
start_time	Yes	String	Indicates the backup time window. Automated backups will be triggered during the backup time window. The value cannot be empty. It must be a valid value in the "hh:mm-HH:MM" format. The current time is in the UTC format. The HH value must be 1 greater than the hh value. The values of mm and MM must be the same and must be set to any of the following: 00, 15, 30, or 45. Example value: 08:15-09:15 23:00-00:00
keep_days	No	Integer	Indicates the retention days for specific backup files. The value range is from 0 to 732. If this parameter is not specified or set to 0, the automated backup policy is disabled. To extend the retention period, contact customer service. Automated backups can be retained for up to 2562 days.

**Table 13** volume field data structure description
Name	Mandatory	Type	Description
type	Yes	String	Indicates the volume type. Its value can be any of the following and is case-sensitive: ULTRAHIGH: indicates the SSD type.
size	Yes	Integer	Indicates the volume size. Its value range is from 40 GB to 4000 GB. The value must be a multiple of 10.

Example normal response

MySQL

{
	"instance": {
		"id": "f5ffdd8b1c98434385eb001904209eacin01",
		"name": "demoname",
		"status": "BUILD",
		"datastore": {
			"type": "MySQL",
			"version": "5.6.41"
		},
		"port": "3306",
		"volume": {
			"type": "ULTRAHIGH",
			"size": "40"
		},
		"backup_strategy": {
			"start_time": "02:00-03:00",
			"keep_days": "7"
		},
		"flavor_ref": "rds.mysql.s1.large",
		"vpc_id": "19e5d45d-70fd-4a91-87e9-b27e71c9891f",
		"subnet_id": "bd51fb45-2dcb-4296-8783-8623bfe89bb7",
		"security_group_id": "23fd0cd4-15dc-4d65-bdb3-8844cc291be0"
	},
	"job_id": "bf003379-afea-4aa5-aa83-4543542070bc"
}

SQL Server

{
	"instance": {
		"id": "f5ffdd8b1c98434385eb001904209eacin01",
		"name": "demoname",
		"status": "BUILD",
		"datastore": {
			"type": "sqlserver",
			"version": "2014_SE"
		},
		"port": "2100",
		"volume": {
			"type": "ULTRAHIGH",
			"size": "40"
		},
		"backup_strategy": {
			"start_time": "02:00-03:00",
			"keep_days": "7"
		},
		"flavor_ref": "rds.mssql.2014.se.s3.large.2",
		"vpc_id": "19e5d45d-70fd-4a91-87e9-b27e71c9891f",
		"subnet_id": "bd51fb45-2dcb-4296-8783-8623bfe89bb7",
		"security_group_id": "23fd0cd4-15dc-4d65-bdb3-8844cc291be0",
                "charge_info": {           
                       "charge_mode": "prePaid",            
                       "period_num": 1        
                 },        
                "collation": "Cyrillic_General_CI_AS"
	},
	"order_id": "CS20122919584LQ7K"
}