Querying DB Instances (v3)

Function

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

Learn how to authenticate this API.
Obtain the required region and endpoint.

URI

GET https://{Endpoint}/v3/{project_id}/instances?id={id}&name={name}&type={type}&datastore_type={datastore_type}&vpc_id={vpc_id}&subnet_id={subnet_id}&offset={offset}&limit={limit}

**Table 1** Parameter description
Parameter	Type	Mandatory	Description
project_id	String	Yes	Explanation: Project ID of a tenant in a region. For details about how to obtain the project ID, see Obtaining a Project ID. Restrictions: None Value range: The value can contain 32 characters. Only letters and digits are allowed. Default value: None
id	String	No	Explanation: Instance ID, which uniquely identifies an instance. You can query instances by 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 (). Restrictions: None Value range: The value can contain 32 characters. Only letters and digits are allowed. Default value: None
name	String	No	Explanation: DB instance name. You can query instances by 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 (). Restrictions: None Value range: The value must start with a letter and contain 4 to 64 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed. Default value: None
type	String	No	Explanation: Instance type. You can query instances by instance type. Restrictions: None Value range: Enterprise (case-sensitive): distributed instances (in the independent deployment) Centralization_standard (case-sensitive): primary/standby instances Default value: None
datastore_type	String	No	Explanation: Database type. Its value is case-insensitive. You can query the instances by database type. Restrictions: None Value range: GaussDB Default value: None
vpc_id	String	No	Explanation: VPC ID. You can query instances by VPC where the instances are located. To obtain the value: Method 1: Log in to VPC console and view the VPC ID in the VPC details page. Method 2: Query the VPC ID through the VPC API. For details, see Querying VPCs. Method 2: See "Querying VPCs" in Virtual Private Cloud API Reference. Restrictions: None Value range: UUID format Default value: None
subnet_id	String	No	Explanation: Network ID of the subnet. You can query instances by 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 "Querying Subnets" in Virtual Private Cloud API Reference. Restrictions: None Value range: UUID format Default value: None
offset	Integer	No	Explanation: Index offset. The query starts from the next piece of data indexed by this parameter. Restrictions: None Value range: [0, 2^31-1] Default value: 0 (indicating that the query starts from the first data record.)
limit	Integer	No	Explanation: Number of records to be queried. Restrictions: None Value range: [1, 100] Default value: 100
tags	String	No	Explanation: Tag key-value pairs of the instance. {key} indicates the tag key. {value} indicates the tag value. Restrictions: To query instances with multiple tag keys and values, separate key-value pairs with commas (,). A maximum of 20 key-value pairs are supported. Value range: Each tag key can contain up to 127 Unicode characters key cannot be an empty string, a space, or left blank. Before using key, delete single-byte character (SBC) spaces before and after the value. The value cannot contain the following special characters: +/?#&=,% The tag value can be left blank. It can contain up to 255 Unicode characters. Before using value, delete SBC spaces before and after the value. The value cannot contain the following special characters: +/?#&=,% If the value is left blank, it indicates any_value (querying any value). Default value: None

Request Parameters

None

Response Parameters

**Table 2** Response parameters
Parameter	Type	Description
instances	Array of objects	Explanation: Instance information. For details, see Table 3.
total_count	Integer	Explanation: Total number of records. Value range: [0, 2^31 – 1]

**Table 3** instances field data structure description
Parameter	Type	Description
id	String	Explanation: Instance ID. Value range: The value can contain 32 characters. Only letters and digits are allowed.
name	String	Explanation: Instance name. Value range: The value must start with a letter and contain 4 to 64 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.
status	String	Explanation: Instance status. Value range: Value range: If the value is BUILD, the instance is being created. If the value is ACTIVE, the instance is normal. If the value is FAILED, the instance is abnormal. If the value is FROZEN, the instance is frozen. If the value is MODIFYING, the storage is being scaled up or instance specifications are being changed. If the value is EXPANDING, read replicas are being added to the instance or CNs or DNs are being added to the instance. If the value is REBOOTING, the instance is being rebooted. If the value is REDUCING: read replicas are being deleted. If the value is UPGRADING, the instance is being upgraded. If the value is RESTORING, the instance is being restored. If the value is SWITCHOVER, the primary/standby switchover is being performed. If the value is MIGRATING, the instance is being migrated. If the value is BACKING UP, the instance is being backed up. If the value is UPGRADE TO BE OBSERVED, the instance upgrade is in the observation period. If the value is REDUCING REPLICATION, the number of replicas is being reduced. If the value is STORAGE FULL, the instance storage is full.
private_ips	List<String>	Explanation: Private IP address list. The value is an empty string until ECSs where CNs of distributed instances are deployed or ECSs where DNs of primary/standby instances are deployed are created.
public_ips	List<String>	Explanation: Public IP address list. This parameter cannot be left blank after an EIP is bound.
port	Integer	Explanation: Database port number. Value range: The GaussDB database port is from 1024 to 39998 (excluding the following which are occupied by the system and cannot be used: 2378, 2379, 2380, 4999, 5000, 5999, 6000, 6001, 8097, 8098, 20049, 20050, 21731, and 21732).
type	String	Explanation: Instance type. Value range: The value is case-sensitive. The value Enterprise indicates the distributed instance (Enterprise Edition).
ha	Object	Explanation: Instance high availability. It includes parameters for transaction consistency type and standby node's replication mode. For details, see Table 4.
replica_num	Integer	Explanation: Number of replicas. Value range: None
region	String	Explanation: Region where the instance is deployed. Value range: None
datastore	Object	Explanation: Database information. For details, see Table 5.
created	String	Explanation: Creation time in the "yyyy-mm-dd hh:mm:ss timezone" format. timezone indicates the time zone, for example, 2024-07-16 09:31:43 UTC. When the instance is being created, the value is the time when the creation request is delivered. After the instance is created, the value is the time when the creation is complete. Value range: None
updated	String	Explanation: Update time. The format is the same as that of the created field, for example, 2024-07-16 09:31:43 UTC. The return value is empty when no DB instance has been created. After a DB instance is created, the value is not empty. Value range: None
db_user_name	String	Explanation: Default username. Value range: root
vpc_id	String	Explanation: ID of the VPC to which the instance belongs Value range: UUID format
subnet_id	String	Explanation: ID of the subnet associated with the instance. Value range: UUID format
security_group_id	String	Explanation: Security group ID. Value range: UUID format
flavor_ref	String	Explanation: Specification code. For details on how to obtain the GaussDB specification code, see DB Instance Specifications. Value range: None
flavor_info	Object	Explanation: Flavor information. For details, see Table 6.
volume	Object	Explanation: Volume information. For details, see Table 7.
switch_strategy	String	Explanation: Database failover priority. Value range: The value can be Reliability or Availability, indicating that the reliability or availability is given priority during the failover, respectively. If no failover priority is selected during the creation, the failover priority is not displayed.
backup_strategy	Object	Explanation: Backup policy. For details, see Table 8.
maintenance_window	String	Explanation: Maintenance time window, which is the UTC time. The format is hh:mm-HH:MM, for example, 18:00-22:00. Value range: None
nodes	Array of objects	Explanation: Instance node information. For details, see Table 9.
disk_encryption_id	String	Explanation: Disk encryption key ID. This parameter is displayed only when the instance disk is encrypted. Value range: None
enterprise_project_id	String	Explanation: Enterprise project tag ID. Value range: If an instance does not belong to any enterprise project, the default value is 0.
instance_mode	String	Explanation: Instance product type. Value range: enterprise indicates enterprise edition, standard indicates the standard edition, and basic indicates the basic edition.
time_zone	String	Explanation: Time zone. Value range: None
charge_info	Object	Explanation: Billing mode, which can be pay-per-use or yearly/monthly. For details, see Table 10.
tags	Array of objects	Explanation: Tags. This parameter is not returned if there is no tag. For details, see Table 11.

**Table 4** ha field data structure description
Parameter	Type	Description
consistency	String	Explanation: Transaction consistency type. Value range: The value can be strong or eventual, indicating strong consistency and eventual consistency, respectively.
replication_mode	String	Explanation: Replication mode for the standby node. Value range: The value can only be set to sync, indicating that data is synchronized in synchronous mode.

**Table 5** datastore field data structure description
Parameter	Type	Description
type	String	Explanation: DB engine. Value range: GaussDB
version	String	Explanation: DB engine version. Value range: The value depends on the DB engine version, for example, 8.200.

**Table 6** flavor_info field data structure description
Parameter	Type	Description
vcpu	Integer	Explanation: Number of vCPUs. Value range: None
mem	Integer	Explanation: Memory size in GB. Value range: None

**Table 7** volume field data structure description
Parameter	Type	Description
type	String	Explanation: Disk type. Value range: ULTRAHIGH (SSD storage) or ESSD (extreme SSD storage). The value is case-sensitive.
size	Integer	Explanation: Disk size. Value range: None

**Table 8** backup_strategy field data structure description
Parameter	Type	Description
start_time	String	Explanation: Backup time window. The creation of an automated backup will be triggered during the backup time window. The value is the UTC time. The format is hh:mm-HH:MM, for example, 19:00-20:00. Value range: None
keep_days	Integer	Explanation: Number of days to retain the generated backup files. Value range: [1, 732]

**Table 9** nodes field data structure description
Parameter	Type	Description
id	String	Explanation: Node ID. Value range: The value can contain 36 characters. Only letters and digits are allowed.
name	String	Explanation: Node name. Value range: The value must start with a letter. Only letters, digits, hyphens (-), and underscores (_) are allowed.
role	String	Explanation: Node type, indicating the role of a node in an instance. Value range: master (primary node) or slave (standby node)
status	String	Explanation: Node status. Value range: BUILD_FAILED: The node fails to be created.
availability_zone	String	Explanation: AZ. Value range: None
private_ip	String	Explanation: Private IP address of the node. For distributed instances, this parameter is valid only for CNs. For primary/standby instances, this parameter is valid for all nodes. The parameter value is returned after an ECS is created. Value range: None
public_ip	String	Explanation: EIP bound to the instance. For distributed instances, this parameter is valid only for CNs. For primary/standby instances, this parameter is valid for all nodes. The parameter value is returned after an ECS is created and an EIP is bound to a DB instance. Value range: None

**Table 10** chargeInfo field data structure description
Parameter	Mandatory	Type	Description
charge_mode	Yes	String	Explanation: Billing mode. Value range: postPaid: pay-per-use prePaid: yearly/monthly

**Table 11** tags field data structure description
Parameter	Type	Description
key	String	Explanation: Tag key. Value range: None
value	String	Explanation: Tag value. Value range: None

Example Request

Querying all instances

https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/v3/97b026aa9cc4417888c14c84a1ad9860/instances

Querying instances based on search criteria

https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/v3/97b026aa9cc4417888c14c84a1ad9860/instances?id=ed7cc6166ec24360a5ed5c5c9c2ed726in01&name=hy&type=Ha&datastore_type=MySQL&vpc_id=19e5d45d-70fd-4a91-87e9-b27e71c9891f&subnet_id=bd51fb45-2dcb-4296-8783-8623bfe89bb7&offset=0&limit=10&tags=rds001=001,rds002=002

Example Response

Instance information queried.

{
    "instances": [
        {
            "id": "b331ed66cc3249f78bc20737308c01f4in14",
            "status": "ACTIVE",
            "name": "gauss-9e88",
            "port": 8000,
            "type": "Enterprise",
            "ha": {
                "consistency": "strong",
                "replication_mode": "sync"
            },
	    "region": "eu-de",
	    "region": "aaa",
            "datastore": {
                "type": "GaussDB",
                "version": "1.3"
            },
            "created": "2021-01-15 01:46:40 UTC",
            "updated": "2021-01-15 02:05:03 UTC",
            "volume": {
                "type": "ULTRAHIGH",
                "size": 120
            },
            "nodes": [
                {
                    "id": "02ebf757aaf94074855f49cc6e0e4712no14",
                    "name": "gauss-9e88_gaussdbv5cn_2",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz",
                    "private_ip": "192.168.16.253"
                },
                {
                    "id": "0a87b8ecbfeb46aba1409cfc0f0d5c34no14",
                    "name": "gauss-9e88_gaussdbv5cn_0",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz",
                    "private_ip": "192.168.28.81"
                },
                {
                    "id": "2d9fec1ab3834936b074d63acf48b1f2no14",
                    "name": "gauss-9e88_gaussdbv5dn3_2",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "48bb08a2d635435891ac0caa1c0bf2e3no14",
                    "name": "gauss-9e88_gaussdbv5dn1_0",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "5df830f652204827ada32f8bc28b107eno14",
                    "name": "gauss-9e88_gaussdbv5dn1_1",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "8a97a246cee841b38c5b47290d4c9c38no14",
                    "name": "gauss-9e88_gaussdbv5cn_1",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz",
                    "private_ip": "192.168.27.52"
                },
                {
                    "id": "8c1a3f8eecca4d9e9974a868bb6dd942no14",
                    "name": "gauss-9e88_gaussdbv5dn2_0",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "9bd0c80b8a684cc9bd7d99dd5adffb07no14",
                    "name": "gauss-9e88_gaussdbv5dn3_1",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "9e2a3cd541e249d4af5aa57c5d3a7f39no14",
                    "name": "gauss-9e88_gaussdbv5dn1_2",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "b046d28989ec4ae5a1a9ab20fe65f248no14",
                    "name": "gauss-9e88_gaussdbv5dn2_2",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "b614cc12fd3742dbb230245f88a7bf00no14",
                    "name": "gauss-9e88_gaussdbv5dn3_0",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "caba8e88c3c84ae58202f1f589490611no14",
                    "name": "gauss-9e88_gaussdbv5dn2_1",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                }
            ],
            "private_ips": [
                "192.168.16.253 / 192.168.28.81 / 192.168.27.52"
            ],
            
            "replica_num": 3,
            "db_user_name": "root",
            "vpc_id": "5f84a5c4-2f93-41de-8359-d7acedb585cc",
            "subnet_id": "300036af-a92f-4e9e-8e9f-7d20e7878b05",
            "security_group_id": "2dcfd40a-8f32-46b8-8a47-6cfab5eba163",
            "flavor_ref": "gaussdb.opengauss.ee.dn.m6.large.8.in",
            "flavor_info": {
                "vcpu": 2,
                "mem": 16
            },
            "switch_strategy": "Reliability",
            "charge_info": {
                "charge_mode": "prePaid"
            },
            "backup_strategy": {
                "start_time": "19:00-20:00",
                "keep_days": 7
            },
            "maintenance_window": "18:00-22:00",
            "disk_encryption_id": "24ae42b5-4009-4ea2-b66a-0b211e424dab",
            "enterprise_project_id": "6e76681b-a2f5-4c5f-97c5-ba4fd3c0dfb2",
            "time_zone": "UTC+08:00",
            "instance_mode":"enterprise"
        },
        {
            "id": "226b4afcfcc84c86bf1b9cb345d3b00fin14",
            "status": "ACTIVE",
            "name": "UTS-gauss-ad53-2C3D",
            "port": 8000,
            "type": "Enterprise",
            "ha": {
                "consistency": "strong",
                "replication_mode": "sync"
            },
            "region": "cn-xianhz-1",
            "datastore": {
                "type": "GaussDB",
                "version": "1.3"
            },
            "created": "2021-01-08 09:18:27 UTC",
            "updated": "2021-01-14 13:25:03 UTC",
            "volume": {
                "type": "ULTRAHIGH",
                "size": 120
            },
            "nodes": [
                {
                    "id": "07538a1def584cee99e2a5685eeab36ano14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn3_1",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "21f41baba1e2454f82331b7cb5aeabe5no14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn1_2",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "2909771a3b3e4e3998f9388e77d22391no14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn1_0",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "2bd9a90a5da242a6b0743a7f597f6106no14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn2_2",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "77092f1dadb74d3ea13d28269cdd3590no14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn3_2",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "a46bfaa6d5a24355a60fce7432b964cano14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn3_0",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "aa5277736f3844e2a7adeb9de529e2b1no14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn2_1",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "b1d798e4ea7344dfa95032984bc6cfd7no14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5cn_1",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz",
                    "private_ip": "192.168.29.231"
                },
                {
                    "id": "b9a46540186f4c0781eabaa2a79594cbno14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn1_1",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "d283813030364060ab64371d50294977no14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5dn2_0",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "eb7bce29b2284cd290405eaddc1b1a1eno14",
                    "name": "UTS-gauss-ad53-2C3D_gaussdbv5cn_0",
                    "role": "master",
                    "status": "FAILED",
                    "availability_zone": "az2xahz",
                    "private_ip": "192.168.30.44",
                    "public_ip": "10.154.217.248"
                }
            ],
            "private_ips": [
                "192.168.29.231 / 192.168.30.44"
            ],
            "public_ips": [
                "10.154.217.248"
            ],
            "replica_num": 3,
            "db_user_name": "root",
            "vpc_id": "5f84a5c4-2f93-41de-8359-d7acedb585cc",
            "subnet_id": "300036af-a92f-4e9e-8e9f-7d20e7878b05",
            "security_group_id": "2dcfd40a-8f32-46b8-8a47-6cfab5eba163",
            "flavor_ref": "gaussdb.opengauss.ee.dn.m6.large.8.in",
            "flavor_info": {
                "vcpu": 2,
                "mem": 16
            },
            "switch_strategy": "Reliability",
            "charge_info": {
                "charge_mode": "prePaid"
            },
            "backup_strategy": {
                "start_time": "18:00-19:00",
                "keep_days": 7
            },
            "maintenance_window": "18:00-22:00",
            "enterprise_project_id": "0",
            "time_zone": "UTC+08:00",
            "instance_mode":"enterprise"
        },
        {
            "id": "706c65c3dd7d497ab16f5b3a113690abin14",
            "status": "ACTIVE",
            "name": "UTS-gauss-7362",
            "port": 8000,
            "type": "Enterprise",
            "ha": {
                "consistency": "strong",
                "replication_mode": "sync"
            },
            "region": "cn-xianhz-1",
            "datastore": {
                "type": "GaussDB",
                "version": "1.2"
            },
            "created": "2020-12-23 03:21:41 UTC",
            "updated": "2021-01-15 02:32:13 UTC",
            "volume": {
                "type": "ULTRAHIGH",
                "size": 80
            },
            "nodes": [
                {
                    "id": "25b7f16ee4084b7884d52f1bdfab4e68no14",
                    "name": "UTS-gauss-7362_gaussdbv5dn1_2",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "ad6f02f31744422fa8ce487e81c9e7afno14",
                    "name": "UTS-gauss-7362_gaussdbv5cn_0",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz",
                    "private_ip": "192.168.26.70"
                },
                {
                    "id": "b30c56582bf44a548e3bb5b5af6c4773no14",
                    "name": "UTS-gauss-7362_gaussdbv5dn1_1",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                },
                {
                    "id": "f79ea0600cba42b2888bd9bd67e52a79no14",
                    "name": "UTS-gauss-7362_gaussdbv5dn1_0",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az2xahz"
                }
            ],
            "private_ips": [
                "192.168.26.70"
            ],
            
            "db_user_name": "root",
            "vpc_id": "5f84a5c4-2f93-41de-8359-d7acedb585cc",
            "subnet_id": "300036af-a92f-4e9e-8e9f-7d20e7878b05",
            "security_group_id": "2dcfd40a-8f32-46b8-8a47-6cfab5eba163",
            "flavor_ref": "gaussdb.opengauss.ee.dn.m6.large.8.in",
            "flavor_info": {
                "vcpu": 2,
                "mem": 16
            },
            "switch_strategy": "Reliability",
            "charge_info": {
                "charge_mode": "postPaid"
            },
            "backup_strategy": {
                "start_time": "16:00-17:00",
                "keep_days": 7
            },
            "maintenance_window": "18:00-22:00",
            "enterprise_project_id": "0",
            "time_zone": "UTC+08:00",
            "instance_mode":"enterprise"
        },
        {
            "id": "4ad42d079a3948d88c28d6236211b21ein14",
            "status": "ACTIVE",
            "name": "UTS-gauss-4336",
            "port": 8000,
            "type": "Enterprise",
            "ha": {
                "consistency": "strong",
                "replication_mode": "sync"
            },
            "region": "cn-xianhz-1",
            "datastore": {
                "type": "GaussDB",
                "version": "1.2"
            },
            "created": "2020-12-03 14:28:53 UTC",
            "updated": "2021-01-14 13:20:10 UTC",
            "volume": {
                "type": "ULTRAHIGH",
                "size": 40
            },
            "nodes": [
                {
                    "id": "254dbda6f03643519ad64b39481bd11cno14",
                    "name": "UTS-gauss-4336_gaussdbv5dn1_2",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az1xahz"
                },
                {
                    "id": "6ad76d4db26443c2a93b280739a31558no14",
                    "name": "UTS-gauss-4336_gaussdbv5dn1_1",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az1xahz"
                },
                {
                    "id": "9fdebf821bdf444a8689b19c0ff588ceno14",
                    "name": "UTS-gauss-4336_gaussdbv5cn_0",
                    "role": "master",
                    "status": "FAILED",
                    "availability_zone": "az1xahz",
                    "private_ip": "192.168.30.93"
                },
                {
                    "id": "dd64bdbc02a542d88823b1582f772d25no14",
                    "name": "UTS-gauss-4336_gaussdbv5cn_1",
                    "role": "master",
                    "status": "ACTIVE",
                    "availability_zone": "az1xahz",
                    "private_ip": "192.168.29.232"
                },
                {
                    "id": "de3c41461045466faf6c2b96eb709540no14",
                    "name": "UTS-gauss-4336_gaussdbv5dn1_0",
                    "role": "slave",
                    "status": "ACTIVE",
                    "availability_zone": "az1xahz"
                }
            ],
            "private_ips": [
                "192.168.30.93 / 192.168.29.232"
            ],
            
            "db_user_name": "root",
            "vpc_id": "5f84a5c4-2f93-41de-8359-d7acedb585cc",
            "subnet_id": "300036af-a92f-4e9e-8e9f-7d20e7878b05",
            "security_group_id": "2dcfd40a-8f32-46b8-8a47-6cfab5eba163",
            "flavor_ref": "gaussdb.opengauss.ee.dn.m6.large.8.in",
            "flavor_info": {
                "vcpu": 2,
                "mem": 16
            },
            "switch_strategy": "Reliability",
            "charge_info": {
                "charge_mode": "postPaid"
            },
            "backup_strategy": {
                "start_time": "18:00-19:00",
                "keep_days": 7
            },
            "maintenance_window": "18:00-22:00",
            "enterprise_project_id": "0",
            "time_zone": "UTC+08:00",
            "instance_mode":"enterprise"
        }
    ],
    "total_count": 4
}

Querying instance details

{
    "instances": [
        {
            "id": "706c65c3dd7d497ab16f5b3a113690abin14",
            "status": "ACTIVE",
            "name": "UTS-gauss-7362",
            "port": 8000,
            "type": "Enterprise",
            "ha": {
                "consistency": "strong",
                "replication_mode": "sync"
            },
	    "region": "aaa",
            "datastore": {
                "type": "GaussDB",
                "version": "1.4"
            },
            "created": "2020-12-23 03:21:41 UTC",
            "updated": "2021-01-15 02:32:13 UTC",
            "volume": {
                "type": "ULTRAHIGH",
                "size": 80
            },
            "nodes": [
                {
                    "id": "25b7f16ee4084b7884d52f1bdfab4e68no14",
                    "name": "UTS-gauss-7362_gaussdbv5dn1_2",
                    "role": "master",
                    "status": "ACTIVE",
	            "region": "bbb",
                },
                {
                    "id": "ad6f02f31744422fa8ce487e81c9e7afno14",
                    "name": "UTS-gauss-7362_gaussdbv5cn_0",
                    "role": "master",
                    "status": "ACTIVE",
	            "region": "bbb",
                    "private_ip": "192.168.26.70"
                },
                {
                    "id": "b30c56582bf44a548e3bb5b5af6c4773no14",
                    "name": "UTS-gauss-7362_gaussdbv5dn1_1",
                    "role": "slave",
                    "status": "ACTIVE",
	            "region": "bbb",
                },
                {
                    "id": "f79ea0600cba42b2888bd9bd67e52a79no14",
                    "name": "UTS-gauss-7362_gaussdbv5dn1_0",
                    "role": "slave",
                    "status": "ACTIVE",
	            "region": "bbb",
                }
            ],
            "private_ips": [
                "192.168.26.70"
            ],

            "db_user_name": "root",
            "vpc_id": "5f84a5c4-2f93-41de-8359-d7acedb585cc",
            "subnet_id": "300036af-a92f-4e9e-8e9f-7d20e7878b05",
            "security_group_id": "2dcfd40a-8f32-46b8-8a47-6cfab5eba163",
            "flavor_ref": "gaussdb.opengauss.ee.dn.m6.2xlarge.8.in",
            "flavor_info": {
                "vcpu": 8,
                "mem": 64
            },
            "switch_strategy": "Reliability",
            "charge_info": {
                "charge_mode": "postPaid"
            },
            "backup_strategy": {
                "start_time": "16:00-17:00",
                "keep_days": 7
            },
            "maintenance_window": "18:00-22:00",
            "enterprise_project_id": "0",
            "time_zone": "UTC+08:00",
            "instance_mode":"enterprise"
        }
    ],
    "total_count": 1
}