ModifyHostAvailability

The operation that you want to perform. Set the value to ModifyHostAvailability.

The alert notification method. Valid values:

0: indicates that alert notifications are sent by using emails and DingTalk chatbots.

The metric for which the alerting feature is enabled. Valid values of N: 1 to 21. Valid values:

• HttpStatus: HTTP status code
• HttpLatency: HTTP response time
• TelnetStatus: Telnet status code
• TelnetLatency: Telnet response time
• PingLostRate: Ping packet loss rate

The ID of the application group.

The ID of the availability monitoring task.

The name of the availability monitoring task.

The monitoring range of the availability monitoring task. Valid values:

• GROUP: all Elastic Compute Service (ECS) instances in the application group
• GROUP_SPEC_INSTANCE: specified ECS instances in the application group The TaskScope parameter must be used in combination with the InstanceList.N parameter. The InstanceList.N parameter specifies the ECS instances to be monitored.

The URI to be monitored. If the TaskType parameter is set to HTTP, this parameter is required.

The domain name or IP address to be monitored.

The character set that is used in the HTTP response.

The post body in the HTTP request.

The response to the HTTP request.

The HTTP request method. Valid values:

• GET
• POST
• HEAD

The method that is used to trigger an alert. The alert can be triggered based on whether the specified alert rule is included in the response body. Valid values:

• true: If the HTTP response body includes the alert rule, an alert is triggered.
• false: If the HTTP response does not include the alert rule, an alert is triggered.

The header of the HTTP request. Format: Parameter name:Parameter value. Separate multiple parameters with carriage return characters. Example:

params1:value1
params2:value2

The interval at which detection requests are sent. Unit: seconds. Valid values: 15, 30, 60, 120, 300, 900, 1800, and 3600.

The start of the time range for which the alert rule is valid. Valid values: 0 to 23.

Example: If the AlertConfig.StartTime parameter is set to 0, and the AlertConfig.EndTime parameter is set to 22, this indicates that the alert rule is valid from 00:00:00 to 22:00:00.

The end of the time range during which the alert rule is valid. Valid values: 0 to 23.

Example: If the AlertConfig.StartTime parameter is set to 0 and the AlertConfig.EndTime parameter is set to 22, the alert rule is valid from 00:00:00 to 22:00:00.

The mute period during which alert notifications are not sent even if the alert rule is triggered. Unit: seconds. Default value: 86400. The default value indicates one day.

The callback URL.

The method that is used to calculate the metric values that trigger alerts. Valid values of N: 1 to 21. The value of this parameter varies based on the metric. The following points describe the correspondence between metrics and calculation methods:

• HttpStatus: Value
• HttpLatency: Average
• TelnetStatus: Value
• TelnetLatency: Average
• PingLostRate: Average

The number of consecutive times that the metric value is measured before an alert is triggered. Valid values of N: 1 to 21.

The comparison operator that is used in the alert rule. Valid values of N: 1 to 21. Valid values:

• >
• >=
• <
• <=
• =

The alert threshold. Valid values of N: 1 to 21.

The ECS instances to be monitored. Valid values of N: 1 to 21.

The ID of the request.

The error message.

The HTTP status code.

Indicates whether the call succeeds. Valid values:

• true: The call succeeds.
• false: The call fails.