Querying Instances

Function

This API is used to query DB instances according to search criteria. Before using this API:

Learn how to authorize and authenticate <gaussdb_03_0001> it.
Obtain the required region and endpoint <gaussdb_00_0003>.

URI

GET /v3/{project_id}/instances

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region. To obtain this value, see `Obtaining a Project ID <gaussdb_10_0004>`.

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
id	No	String	Instance ID. The asterisk (``) is reserved for the system. If the instance ID starts with , it indicates that fuzzy match is performed based on the value following . Otherwise, the exact match is performed based on the instance ID. The value cannot contain only asterisks (``).
name	No	String	Instance name. The asterisk (``) is reserved for the system. If the instance name starts with , it indicates that fuzzy match is performed based on the value following . Otherwise, the exact match is performed based on the instance name. The value cannot contain only asterisks (``).
type	No	String	Instance type to be queried. Currently, only the cluster type is supported.
datastore_type	No	String	DB type. Currently, only gaussdb-mysql is supported.
vpc_id	No	String	VPC ID. Method 1: Log in to VPC console and view the VPC ID in the VPC details. Method 2: See the "Querying VPCs" section in the Virtual Private Cloud API Reference.
subnet_id	No	String	Network ID of the subnet. 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 under "APIs" or the "Querying Networks" section under "OpenStack Neutron APIs" in the Virtual Private Cloud API Reference.
private_ip	No	String	Private IP address.
offset	No	Integer	Index offset. If offset is set to N, the resource query starts from the N+1 piece of data. The value is 0 by default, indicating that the query starts from the first piece of data. The value cannot be a negative number.
limit	No	Integer	Number of records to be queried. The default value is 100. The value must be a positive integer. The minimum value is 1 and the maximum value is 100.
tags	No	String	Query based on the instance tag key and value. {key} indicates the tag key, and {value} indicates the tag value. To query instances with multiple tag keys and values, separate key-value pairs with commas (,). The key must be unique. Multiple keys are in AND relationship.

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token.
X-Language	No	String	Language.

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
instances	Array of `MysqlInstanceListInfo <gaussdb_04_0005__response_mysqlinstancelistinfo>` objects	Instance list information.
total_count	Integer	Total number of records.

**Table 5** MysqlInstanceListInfo
Parameter	Type	Description
id	String	Instance ID.
name	String	Instance name.
status	String	Instance status.
private_ips	Array of strings	Private IP address for write. It is a blank string until an ECS is created.
public_ips	Array of strings	Public IP addresses.
port	String	Database port.
type	String	DB instance type. The value is Cluster.
region	String	Region where the DB instance is deployed.
datastore	`MysqlDatastore <gaussdb_04_0005__response_mysqldatastore>` object	Database information.
created	String	Creation time in the "yyyy-mm-ddThh:mm:ssZ" format. T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset. The value is empty unless the instance creation is complete.
updated	String	Update time. The format is the same as that of the created field. The value is empty unless the instance creation is complete.
db_user_name	String	Default username.
vpc_id	String	VPC ID.
subnet_id	String	Network ID of the subnet.
security_group_id	String	Security group ID.
flavor_ref	String	Specification code.
flavor_info	`MysqlFlavorInfo <gaussdb_04_0005__response_mysqlflavorinfo>` object	Flavor information.
volume	`MysqlVolumeInfo <gaussdb_04_0005__response_mysqlvolumeinfo>` object	Storage disk information.
backup_strategy	`MysqlBackupStrategy <gaussdb_04_0005__response_mysqlbackupstrategy>` object	Automated backup policy.
time_zone	String	Time zone.
dedicated_resource_id	String	Dedicated resource pool ID. This parameter is returned only when the instance belongs to a dedicated resource pool.
tags	Array of `InstanceTagItem <gaussdb_04_0005__response_instancetagitem>` objects	Tag list.

**Table 6** MysqlDatastoreWithKernelVersion
Parameter	Type	Description
type	String	DB engine. Currently, only gaussdb-mysql is supported.
version	String	DB version. To obtain details about supported DB engine versions, call the API for querying the DB engine versions.

**Table 7** MysqlFlavorInfo
Parameter	Type	Description
vcpus	String	Number of vCPUs.
ram	String	Memory size in GB.

**Table 8** MysqlVolumeInfo
Parameter	Type	Description
type	String	Disk type.
size	String	Used disk size in GB.

**Table 9** MysqlBackupStrategy
Parameter	Type	Description
start_time	String	Automated backup start time. The automated backup will be triggered within one hour after the time specified by this parameter. 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 00.
keep_days	String	Automated backup retention days. Value: 1-732.

**Table 10** InstanceTagItem
Parameter	Type	Description
key	String	Tag key.
value	String	Tag value.

Status code: 400

**Table 11** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 12** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Querying instances

GET https://gaussdb-mysql.eu-de.otc.t-systems.com/v3/054e292c9880d4992f02c0196d3ea468/instances?id=61a4ea66210545909d74a05c27a7179ein07&name=hyAbc&type=Cluster&datastore_type=gaussdb-mysql&vpc_id=19e5d45d-70fd-4a91-87e9-b27e71c9891f&subnet_id=bd51fb45-2dcb-4296-8783-8623bfe89bb7&private_ip=192.168.0.142&offset=0&limit=10&tags=taurusKey1=value1

Example Response

Status code: 200

Note

The value of region is used as an example in the following response.

Success.

{
  "total_count" : 1,
  "instances" : [ {
    "id" : "d738399de028480fabb2b8120d4e01a4in07",
    "name" : "gaussdb-mysql-instance01",
    "status" : "ACTIVE",
    "port" : 3306,
    "type" : "Cluster",
    "private_ips" : [ "192.168.0.142" ],
    "db_user_name" : "root",
    "region" : "aaa",
    "datastore" : {
      "type" : "gaussdb-mysql",
      "version" : "8.0",
      "kernel_version" : "2.0.29.1"
    },
    "created" : "2018-08-20T02:33:49_0800",
    "updated" : "2018-08-20T02:33:49_0800",
    "volume" : {
      "type" : "POOL",
      "size" : 100
    },
    "vpc_id" : "3cedfc54-b105-4652-a4e0-847b11576b58",
    "subnet_id" : "c1cfa53c-65d3-431e-8552-326bf310c7ad",
    "security_group_id" : "fc577a1a-f202-424a-977f-24faec3fdd55",
    "flavor_ref" : "gaussdb.mysql.c3.small.4",
    "flavor_info" : {
      "vcpus" : 8,
      "ram" : 16
    },
    "backup_strategy" : {
      "start_time" : "19:00-20:00",
      "keep_days" : 7
    },
    "charge_info" : {
      "charge_mode" : "postPaid"
    },
    "enterprise_project_id" : 0,
    "time_zone" : "UTC",
    "tags" : [ ]
  } ]
}

Status Code

For details, see Status Codes <gaussdb_10_0002>.

Error Code

For details, see Error Codes <gaussdb_10_0003>.

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