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 /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	Definition Project ID of a tenant in a region. For details about how to obtain the project ID, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters. Only letters and digits are allowed. Default Value N/A
id	String	No	Definition 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 (). Constraints N/A Range The value can contain 32 characters. Only letters and digits are allowed. Default Value N/A
name	String	No	Definition 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 (). Constraints N/A Range The value must start with a letter and contain 4 to 64 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed. Default Value N/A
type	String	No	Definition Instance type. You can query instances by instance type. Constraints N/A Range Enterprise (case-sensitive): distributed instances (in the independent deployment) Centralization_standard (case-sensitive): centralized instances. Default Value N/A
datastore_type	String	No	Definition Database type. Its value is case-insensitive. You can query the instances by database type. Constraints N/A Range GaussDB Default Value N/A
vpc_id	String	No	Definition VPC ID. You can query instances by VPC where the instances are located. To obtain the value: Method 1: Log in to the 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. Constraints N/A Range UUID format Default Value N/A
subnet_id	String	No	Definition Network ID of the subnet. You can query instances by subnet. Method 1: Log in to the 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. Constraints N/A Range UUID format Default Value N/A
offset	Integer	No	Definition Index offset. The query starts from the next piece of data indexed by this parameter. Constraints N/A Range [0,2^31-1] Default Value 0: The query starts from the first data record.
limit	Integer	No	Definition Number of records to be queried. Constraints N/A Range [1, 100] Default Value 100
tags	String	No	Definition Tag key-value pairs of the instance. {key} indicates the tag key. {value} indicates the tag value. Constraints To query instances with multiple tag keys and values, separate key-value pairs with commas (,). A maximum of 20 key-value pairs are supported. 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 N/A

Request Parameters

None

Response Parameters

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

**Table 3** instances field data structure description
Parameter	Type	Description
id	String	Definition Instance ID. Range The value can contain 32 characters. Only letters and digits are allowed.
name	String	Definition Instance name. Range The value must start with a letter and contain 4 to 64 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.
status	String	Definition Instance status. Range If the value is BUILD, the instance is being created. If the value is BUILD_FAILED, the instance creation failed. 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 MODIFYING DATABASE PORT, the database port is being changed. If the value is STORAGE FULL, the instance storage is full. If the value is SHUTDOWN, the instance is stopped. If the value is REPAIRING, the instance is being repaired.
private_ips	List<String>	Definition Private IP address list. The value is an empty string until ECSs where CNs of distributed instances are deployed or ECSs where DNs of centralized instances are deployed are created.
public_ips	List<String>	Definition EIPs bound to the instance. This parameter cannot be left blank after an EIP is bound.
port	Integer	Definition Database port number. 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	Definition Instance type. Range The value is case-sensitive. The value Enterprise indicates a distributed instance (Enterprise Edition). The value centralization_standard indicates a centralized instance.
ha	Object	Definition Instance high availability. It includes parameters for transaction consistency type and standby node's replication mode. For details, see Table 4.
replica_num	Integer	Definition Number of replicas. Range N/A
region	String	Definition Region where the instance is deployed. Range N/A
datastore	Object	Definition Database information. For details, see Table 5.
created	String	Definition 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. Range N/A
updated	String	Definition 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. Range N/A
db_user_name	String	Definition Default username. Range root
vpc_id	String	Definition ID of the VPC to which the instance belongs Range UUID format
subnet_id	String	Definition ID of the subnet associated with the instance. Range UUID format
security_group_id	String	Definition Security group ID. Range UUID format
flavor_ref	String	Definition Specification code. For details on how to obtain the GaussDB specification code, see DB Instance Specifications. Range N/A
flavor_info	Object	Definition Flavor information. For details, see Table 6.
volume	Object	Definition Volume information. For details, see Table 7.
switch_strategy	String	Definition Database failover priority. 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	Definition Backup policy. For details, see Table 8.
maintenance_window	String	Definition Maintenance time window, which is the UTC time. The format is hh:mm-HH:MM, for example, 18:00-22:00. Range N/A
nodes	Array of objects	Definition Instance node information. For details, see Table 9.
disk_encryption_id	String	Definition Disk encryption key ID. This parameter is displayed only when the instance disk is encrypted. Range N/A
enterprise_project_id	String	Definition Enterprise project tag ID. Range If an instance does not belong to any enterprise project, the default value is 0.
instance_mode	String	Definition Instance product type. Range enterprise indicates enterprise edition, standard indicates the standard edition, and basic indicates the basic edition.
time_zone	String	Definition Time zone. Range N/A
charge_info	Object	Definition Billing mode, which can be pay-per-use or yearly/monthly. For details, see Table 10.
tags	Array of objects	Definition 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	Definition Transaction consistency type. Range The value can be strong or eventual, indicating strong consistency and eventual consistency, respectively.
replication_mode	String	Definition Replication mode for the standby node. 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	Definition Database engine. Range GaussDB
version	String	Definition DB engine version. 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	Definition Number of vCPUs. Range N/A
mem	Integer	Definition Memory size in GB. Range N/A

**Table 7** volume field data structure description
Parameter	Type	Description
type	String	Definition Disk type. Range ULTRAHIGH (SSD storage) or ESSD (extreme SSD storage). The value is case-sensitive.
size	Integer	Definition Disk size. Range N/A

**Table 8** backup_strategy field data structure description
Parameter	Type	Description
start_time	String	Definition Backup time window. Automated backups will be created during the backup time window. The value is the UTC time. The format is hh:mm-HH:MM, for example, 19:00-20:00. Range N/A
keep_days	Integer	Definition Number of days to retain the generated backup files. Range [1, 732]

**Table 9** nodes field data structure description
Parameter	Type	Description
id	String	Definition Node ID. Range The value can contain 36 characters. Only letters and digits are allowed.
name	String	Definition Node name. Range The value must start with a letter. Only letters, digits, hyphens (-), and underscores (_) are allowed.
role	String	Definition Node type, indicating the role of a node in an instance. Range master (primary node) or slave (standby node)
status	String	Definition Node status. Range BUILD_FAILED: The node fails to be created.
availability_zone	String	Definition AZ. Range N/A
private_ip	String	Definition Private IP address of the node. For distributed instances, this parameter is valid only for CNs. For centralized instances, this parameter is valid for all nodes. The parameter value is returned after an ECS is created. Range N/A
public_ip	String	Definition EIP bound to the instance. For distributed instances, this parameter is valid only for CNs. For centralized 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. Range N/A

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

**Table 11** tags field data structure description
Parameter	Type	Description
key	String	Definition Tag key. Range N/A
value	String	Definition Tag value. Range N/A

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
}