Querying a DCS instance

Function

This API is used to query the details about a specified DCS instance.

URI

GET /v2/{project_id}/instances/{instance_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
instance_id	Yes	String	Instance ID.
project_id	Yes	String	Project ID.

Request Parameters

None

Response Parameters

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
vpc_name	String	VPC name.
charging_mode	Integer	Billing mode. The value can be 0: pay-per-use.
vpc_id	String	VPC ID
user_name	String	Username.
created_at	String	Time when the instance is created. Format: 2017-03-31T12:24:46.297Z
description	String	Instance description
security_group_id	String	Security group ID.
security_group_name	String	Security group name.
max_memory	Integer	Total memory size in MB.
used_memory	Integer	Used memory size in MB.
capacity	Integer	DCS instance cache capacity in GB.
capacity_minor	String	Capacity (GB) of a small DCS instance (smaller than 1 GB).
maintain_begin	String	UTC time when the maintenance time window starts. The format is HH:mm:ss.
maintain_end	String	UTC time when the maintenance time window ends. The format is HH:mm:ss.
engine	String	DCS instance engine.
no_password_access	String	Indicates whether the instance can be accessed without a password. true: The instance can be accessed without a password. false: The instance can be accessed only after password authentication.
ip	String	IP address for connecting to the DCS instance. For a cluster instance, multiple IP addresses are returned and separated by commas (,). For example, 192.168.0.1,192.168.0.2.
instance_backup_policy	InstanceBackupPolicy object	Backup policy. This parameter is supported when the instance type is master/standby or cluster.
az_codes	Array of strings	AZ where the instance is in. The AZ code is returned.
access_user	String	Username used for accessing a DCS instance after password authentication.
instance_id	String	Instance ID.
port	Integer	Port of the DCS instance.
user_id	String	User ID.
name	String	Instance name.
spec_code	String	Specification code.
subnet_id	String	Subnet ID.
subnet_name	String	Subnet name.
subnet_cidr	String	Subnet CIDR block.
engine_version	String	Cache version.
order_id	String	Order ID.
status	String	DCS instance status. For details, see DCS Instance Statuses.
domain_name	String	Domain name of the instance.
readonly_domain_name	String	Read-only domain name of the instance. This parameter is available only for master/standby instances.
enable_publicip	Boolean	Indicates whether public network access is enabled for the DCS Redis instance. true: enable false: disable
publicip_id	String	ID of the EIP bound to the DCS Redis instance. The value of this parameter is null if public access is disabled.
publicip_address	String	EIP bound to the DCS Redis instance. The value of this parameter is null if public access is disabled.
enable_ssl	Boolean	Whether to SSL is enabled for public access to a DCS Redis instance. true: enable false: disable
service_upgrade	Boolean	Whether the instance has an upgrade task. true: yes false: no
service_task_id	String	Upgrade task ID. If the value of service_upgrade is set to true, the value of this parameter is the ID of the upgrade task. If the value of service_upgrade is set to false, the value of this parameter is empty.
enterprise_project_id	String	Enterprise project ID.
backend_addrs	String	Backend address of a cluster instance.
features	Features object	Features supported by the instance.
domain_name_info	DomainNameInfo object	Information about instance domain name update and public domain name resolution.
transparent_client_ip_enable	Boolean	Whether client IP pass-through is enabled.
sub_status	String	Instance sub-status.
tags	Array of ResourceTag objects	Instance tag key and value.
cpu_type	String	CPU type of the instance. Generally, the value is x86_64 or aarch64.
enterprise_project_name	String	Enterprise project name.
update_at	String	Update time, for example, 2022-07-06T09:32:16.502Z.
product_type	String	Edition: community edition or professional edition. Enumeration values: generic enterprise
storage_type	String	Storage type (DRAM). Enumeration values: DRAM
launched_at	String	Start time, for example, 2022-07-06T09:32:16.502Z.
cache_mode	String	DCS instance type. Options: single: single-node ha: master/standby cluster: Redis Cluster proxy: Proxy Cluster
support_slow_log_flag	String	Whether slow query logs are supported.
db_number	Integer	Number of databases.
replica_count	Integer	Number of replicas.
sharding_count	Integer	Number of shards in a cluster instance.
bandwidth_info	BandwidthInfo object	Bandwidth information.

**Table 3** InstanceBackupPolicy
Parameter	Type	Description
backup_policy_id	String	Backup policy ID.
created_at	String	Creation time. Example: 2022-04-11T09:45:24.790Z
updated_at	String	Update time. Example: 2022-04-12T02:22:03.269Z
policy	BackupPolicy object	Backup policy.
tenant_id	String	Account ID.

**Table 4** BackupPolicy
Parameter	Type	Description
backup_type	String	Backup type. auto: automatic backup manual: manual backup
save_days	Integer	This parameter is mandatory when backup_type is set to manual. Retention period, in days. The value ranges from 1 to 7.
periodical_backup_plan	BackupPlan object	Backup schedule. This parameter is mandatory when backup_type is set to manual.

**Table 5** BackupPlan
Parameter	Type	Description
timezone_offset	String	Time zone in which backup is performed. This parameter is no longer used.
backup_at	Array of integers	Day in a week on which backup starts. The value ranges from 1 to 7, where 1 indicates Monday, and 7 indicates Sunday.
period_type	String	Interval at which backup is performed, which supports only weekly currently.
begin_at	String	UTC time when the backup starts. For example, 00:00-01:00 indicates that the backup starts at 08:00 (GMT+8).

**Table 6** Features
Parameter	Type	Description
support_acl	Boolean	Whether ACL is supported. true: yes false: no
support_transparent_client_ip	Boolean	Whether client IP pass-through is enabled. true: yes false: no
support_ssl	Boolean	Whether SSL is supported. true: yes false: no

**Table 7** DomainNameInfo
Parameter	Type	Description
support_public_resolve	Boolean	Whether to enable public domain name resolution. true: enable false: disable
is_latest_rules	Boolean	Whether the current domain name is the latest. true: yes false: no
zone_name	String	Region suffix of the domain name.
history_domain_names	Array of DomainNameEntity objects	Historical domain name information.

**Table 8** DomainNameEntity
Parameter	Type	Description
domain_name	String	Historical domain names of the instance.
is_readonly	Boolean	Whether the domain name is read-only. true: yes false: no

**Table 9** ResourceTag
Parameter	Type	Description
key	String	Tag key. This field cannot be left blank. The key value of a resource must be unique. The tag key can contain a maximum of 36 characters. The tag key must be unique and cannot be empty.
value	String	Tag value. This parameter is mandatory when action is set to create and is optional when action is set to delete. The tag value can contain a maximum of 43 characters.

**Table 10** BandwidthInfo
Parameter	Type	Description
begin_time	String	Start time of temporary increase.
end_time	String	End time of temporary increase.
current_time	String	Current time.
bandwidth	Integer	Current bandwidth, in GB.
next_expand_time	String	Next increase time.
expand_count	Integer	Number of increases.
expand_effect_time	String	Interval between temporary increases.
expand_interval_time	String	Time to the next increase.
max_expand_count	Integer	Maximum number of increases.
task_running	Boolean	Whether the task is running.

Example Requests

GET https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}

Example Responses

Status code: 200

The specified instance is queried successfully.

{
  "publicip_id" : null,
  "vpc_name" : "dcs-beta",
  "charging_mode" : 0,
  "enterprise_project_name" : "default",
  "vpc_id" : "5e37b3be-950a-48e1-b498-65b63d336481",
  "user_name" : "hwclouduser",
  "created_at" : "2022-08-29T08:53:47.319Z",
  "description" : null,
  "security_group_id" : "securityGroupId",
  "enable_ssl" : false,
  "max_memory" : 128,
  "publicip_address" : null,
  "capacity" : 0,
  "maintain_begin" : "18:00:00",
  "engine" : "Redis",
  "maintain_end" : "19:00:00",
  "capacity_minor" : ".125",
  "service_upgrade" : false,
  "subnet_name" : "dcs-beta",
  "no_password_access" : "true",
  "service_task_id" : null,
  "ip" : "192.168.0.251",
  "subnet_cidr" : "192.168.0.0/24",
  "used_memory" : 2,
  "security_group_name" : "securityGroupId",
  "instance_backup_policy" : null,
  "az_codes" : [ "cn-north-7c" ],
  "access_user" : null,
  "enterprise_project_id" : "0",
  "instance_id" : "a4c545cd-10b2-4efc-b0ab-a9b554ca0621",
  "enable_publicip" : false,
  "port" : 6379,
  "user_id" : "d53977d1adfb49c5b025ba7d33a13fd7",
  "domain_name" : "redis-a4c545cd-10b2-4efc-b0ab-a9b554ca0621.dcs.huaweicloud.com",
  "name" : "dcs-billing",
  "spec_code" : "redis.ha.xu1.tiny.r2.128",
  "subnet_id" : "a4112635-3ec0-471c-95c3-5cf49b9533af",
  "engine_version" : "5.0",
  "order_id" : null,
  "status" : "RUNNING",
  "features" : {
    "support_acl" : true,
    "support_transparent_client_ip" : true,
    "support_ssl" : false
  },
  "domain_name_info" : {
    "support_public_resolve" : true,
    "is_latest_rules" : true,
    "zone_name" : "dcs.huaweicloud.com",
    "history_domain_names" : null
  },
  "transparent_client_ip_enable" : true,
  "sub_status" : "normal",
  "tags" : null,
  "cpu_type" : "x86_64"
}