Creating a Pro Instance

Function

This API is used to create ROMA Connect RCU instances.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions. For details about the required permissions, see Permissions Policies and Supported Actions.

URI

POST /v3/{project_id}/roma/instances

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Tenant to which the instance belongs.

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Name.
description	No	String	Instance description.
charge_type	Yes	String	Billing mode of the instance. The value can be: - prePaid: yearly/monthly. - postPaid: pay-per-use billing.
available_zone_ids	Yes	Array of strings	AZ list.
cpu_arch	Yes	String	Architecture type.
enterprise_project_id	No	String	The enterprise project ID must be used together with the enterprise project switch. This parameter is mandatory when the enterprise project is enabled.
rcu	Yes	rcu object	RCU configuration of the RCU instance.
vpc_id	Yes	String	VPC ID selected by the user.
subnet_id	Yes	String	Subnet selected by the user.
ingress_bandwidth_size	No	Integer	Inbound public network bandwidth, which takes effect when public access is enabled.
publicip_enable	No	Boolean	Public network access. The default value is false.
config	No	config object	Parameter for creating an instance association resource.
scope	No	String	IES edge instance. The value is edge. The default value is center.

**Table 3** rcu
Parameter	Mandatory	Type	Description
total	No	Integer	Sum of RCUs.
distribution	No	Array of RCUAssignReq objects	RCU allocation.

**Table 4** RCUAssignReq
Parameter	Mandatory	Type	Description
indicator	Yes	indicator object	RCU metric object.
value	Yes	Integer	Number of RCUs assigned to the target. The value must be within the specified range.

**Table 5** indicator
Parameter	Mandatory	Type	Description
id	Yes	String	RCU metric ID.

**Table 6** config
Parameter	Mandatory	Type	Description
mqs	No	mqs object	MQS parameter of the instance. By default, the parameter does not need to be configured.

**Table 7** mqs
Parameter	Mandatory	Type	Description
engine_version	No	String	Engine version.
retention_policy	No	String	Policy for processing messages after the MQS disk capacity reaches the threshold. Options: produce_reject: New messages cannot be created. time_base: The earliest messages are deleted.
ssl_enable	No	Boolean	Whether to enable SSL. Options: true: enable false: disable
trace_enable	No	Boolean	Whether to enable message tracing. Options: true: enable false: disable
vpc_client_plain	No	Boolean	Whether to enable VPC plaintext access. Options: true: enable false: disable