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Modifying VPC Channel Health Check

Function

This API is used to modify the health check configuration of a VPC channel.

Calling Method

For details, see Calling APIs.

URI

PUT /v2/{project_id}/apigw/instances/{instance_id}/vpc-channels/{vpc_channel_id}/health-config

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details about how to obtain it, see Obtaining a Project ID.

instance_id

Yes

String

Gateway ID, which can be obtained from the gateway information on the APIG console.

vpc_channel_id

Yes

String

VPC channel ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is a token.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

protocol

Yes

String

Protocol for performing health checks on backend servers in the VPC channel.

  • TCP

  • HTTP

  • HTTPS

path

No

String

Destination path for health checks. This parameter is required if protocol is set to http or https.

method

No

String

Request method for health checks.

Default: GET

port

No

Integer

Destination port for health checks. If this parameter is not specified or set to 0, the host port of the VPC channel is used.

If this parameter is set to a non-zero value, the corresponding port is used for health checks.

Minimum: 0

Maximum: 65535

threshold_normal

Yes

Integer

Healthy threshold. It refers to the number of consecutive successful checks required for a backend server to be considered healthy.

Minimum: 1

Maximum: 10

threshold_abnormal

Yes

Integer

Unhealthy threshold, which refers to the number of consecutive failed checks required for a backend server to be considered unhealthy.

Minimum: 1

Maximum: 10

time_interval

Yes

Integer

Interval between consecutive checks. Unit: s. The value must be greater than the value of timeout.

Minimum: 1

Maximum: 300

http_code

No

String

Response codes for determining a successful HTTP response. The value can be any integer within 100–599 in one of the following formats:

  • Multiple values, for example, 200,201,202

  • Range, for example, 200-299

  • Multiple values and ranges, for example, 201,202,210-299.

    This parameter is required if protocol is set to http.

enable_client_ssl

No

Boolean

Indicates whether to enable two-way authentication. If this function is enabled, the certificate specified in the backend_client_certificate configuration item of the instance is used.

Default: false

status

No

Integer

Health check result.

  • 1: available

  • 2: unavailable

timeout

Yes

Integer

Timeout for determining whether a health check fails. Unit: s. The value must be less than the value of time_interval.

Minimum: 1

Maximum: 30

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

protocol

String

Protocol for performing health checks on backend servers in the VPC channel.

  • TCP

  • HTTP

  • HTTPS

path

String

Destination path for health checks. This parameter is required if protocol is set to http or https.

method

String

Request method for health checks.

Default: GET

port

Integer

Destination port for health checks. If this parameter is not specified or set to 0, the host port of the VPC channel is used.

If this parameter is set to a non-zero value, the corresponding port is used for health checks.

Minimum: 0

Maximum: 65535

threshold_normal

Integer

Healthy threshold. It refers to the number of consecutive successful checks required for a backend server to be considered healthy.

Minimum: 1

Maximum: 10

threshold_abnormal

Integer

Unhealthy threshold, which refers to the number of consecutive failed checks required for a backend server to be considered unhealthy.

Minimum: 1

Maximum: 10

time_interval

Integer

Interval between consecutive checks. Unit: s. The value must be greater than the value of timeout.

Minimum: 1

Maximum: 300

http_code

String

Response codes for determining a successful HTTP response. The value can be any integer within 100–599 in one of the following formats:

  • Multiple values, for example, 200,201,202

  • Range, for example, 200-299

  • Multiple values and ranges, for example, 201,202,210-299.

    This parameter is required if protocol is set to http.

enable_client_ssl

Boolean

Indicates whether to enable two-way authentication. If this function is enabled, the certificate specified in the backend_client_certificate configuration item of the instance is used.

Default: false

status

Integer

Health check result.

  • 1: available

  • 2: unavailable

timeout

Integer

Timeout for determining whether a health check fails. Unit: s. The value must be less than the value of time_interval.

Minimum: 1

Maximum: 30

vpc_channel_id

String

VPC channel ID.

id

String

Health check ID.

create_time

String

Creation time.

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 401

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 403

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 404

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Requests

Modifying health check configurations of a VPC channel

{
  "http_code" : "200",
  "path" : "/vpc/demo",
  "port" : 22,
  "protocol" : "http",
  "threshold_abnormal" : 5,
  "threshold_normal" : 2,
  "time_interval" : 10,
  "timeout" : 5,
  "enable_client_ssl" : false
}

Example Responses

Status code: 200

OK

{
  "protocol" : "http",
  "path" : "/vpc/demo",
  "method" : "GET",
  "port" : 22,
  "threshold_abnormal" : 5,
  "threshold_normal" : 2,
  "time_interval" : 10,
  "http_code" : "200",
  "enable_client_ssl" : false,
  "status" : 1,
  "timeout" : 5,
  "id" : "3b3d02026c5f402d85e8645ea95b0816",
  "vpc_channel_id" : "d38c55c926ca44c2bfb37886d93b9a0d",
  "create_time" : "2020-07-23T07:11:57Z"
}

Status code: 400

Bad Request

{
  "error_code" : "APIG.2001",
  "error_msg" : "The request parameters must be specified, parameter name:members"
}

Status code: 401

Unauthorized

{
  "error_code" : "APIG.1002",
  "error_msg" : "Incorrect token or token resolution failed"
}

Status code: 403

Forbidden

{
  "error_code" : "APIG.1005",
  "error_msg" : "No permissions to request this method"
}

Status code: 404

Not Found

{
  "error_code" : "APIG.3023",
  "error_msg" : "The VPC channel does not exist,id:56a7d7358e1b42459c9d730d65b14e59"
}

Status code: 500

Internal Server Error

{
  "error_code" : "APIG.9999",
  "error_msg" : "System error"
}

Status Codes

Status Code

Description

200

OK

400

Bad Request

401

Unauthorized

403

Forbidden

404

Not Found

500

Internal Server Error

Error Codes

See Error Codes.

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