Creating a Proxy Instance
Function
This API is used to create a proxy instance in ELB mode. Before calling this API:
- Learn how to authorize and authenticate it.
- Obtain the required region and endpoint.
URI
POST /v3/{project_id}/instances/{instance_id}/proxy
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. |
instance_id |
Yes |
String |
Instance ID, which is compliant with the UUID format. |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
X-Auth-Token |
Yes |
String |
User token. If the following response body is returned for calling the API used to obtain a user token, the request is successful. After the request is processed, the value of X-Subject-Token in the message header is the token value. |
X-Language |
No |
String |
Request language type. The default value is en-us. Value:
|
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
flavor_ref |
Yes |
String |
Proxy specification code. |
node_num |
Yes |
Integer |
Proxy instance nodes. Value range: 2 to 32. |
proxy_name |
No |
String |
Proxy instance name. Instances of the same type can have same names under the same tenant. The name consists of 4 to 64 characters and starts with a letter. It is case-sensitive and can contain only letters, digits, hyphens (-), and underscores (_). |
proxy_mode |
No |
String |
Proxy instance type. The default type is readwrite.
|
route_mode |
No |
Integer |
Routing policy of the proxy instance. Value:
|
nodes_read_weight |
No |
Array of NodesWeight objects |
Read weight of the node. |
subnet_id |
No |
String |
Subnet ID in the VPC of the database. |
new_node_auto_add_status |
No |
String |
Whether new nodes are automatically associate with proxy instances. To configure this parameter, contact customer service. Value:
|
new_node_weight |
No |
Integer |
Read weight of the new node.
|
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
id |
No |
String |
Node ID. |
weight |
No |
Integer |
Weight assigned to the node.
|
Response Parameters
Status code: 201
Parameter |
Type |
Description |
---|---|---|
job_id |
String |
Task ID. |
Status code: 400
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code. |
error_msg |
String |
Error message. |
Status code: 500
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code. |
error_msg |
String |
Error message. |
Example Request
Creating a proxy instance (The proxy instance specifications are 2 vCPUs and 8 GB memory, and the proxy mode is read-only)
POST https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/43e4feaab48f11e89039fa163ebaa7e4br01/proxy { "flavor_ref" : "gaussdb.proxy.large.x86.2", "node_num" : 2, "proxy_name" : "gaussdb-proxy", "proxy_mode" : "readonly", "route_mode" : 0, "nodes_read_weight" : [ { "id" : "45021bf73a244312a3f2af95092feeecno07", "weight" : 50 }, { "id" : "d78a65690cea4af5ad14585e110ff89bno07", "weight" : 400 } ], "subnet_id" : "6991d82d-9166-4aff-a1fa-d2a8748b7084" }
Example Response
Status code: 201
Success.
{ "job_id" : "04efe8e2-9255-44ae-a98b-d87cae411890" }
Status Code
For details, see Status Codes.
Error Code
For details, see Error Codes.
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