Modifying a Threshold Rule

Function

This API is used to modify a threshold rule.

URI

PUT /v1/{project_id}/ams/alarms

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID obtained from IAM. Generally, a project ID contains 32 characters.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Project-level token obtained from IAM.
Content-Type	Yes	String	Content type, which is application/json. Enumeration values: application/json

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
statistic	Yes	String	Statistic. Enumeration values: maximum minimum average sum sampleCount
namespace	No	String	Metric namespace. Values: PAAS.CONTAINER: namespace of component, instance, process, and container metrics. PAAS.NODE: namespace of host, network, disk, and file system metrics. PAAS.SLA: namespace of SLA metrics. PAAS.AGGR: namespace of cluster metrics. CUSTOM.Prometheus: namespace of Prometheus metrics. Namespace of custom metrics.
metricName	Yes	String	Metric name. The value must contain 1 to 255 characters long and meet the [a-zA-Z_:][a-zA-Z0-9_:]* expression. That is, the value must start with a letter, underscore (_), or colon (:). Only letters, digits, underscores, and colons are allowed.
period	Yes	Integer	Statistical period. Values: 60,000, 300,000, 900,000, and 3,600,000.
alarmLevel	No	Integer	Alarm severity.
evaluationPeriods	Yes	Integer	Number of consecutive periods.
comparisonOperator	Yes	String	Threshold criterion expression. It cannot be empty. Options: >, <, >=, and <= Enumeration values: > < >= <=
threshold	Yes	String	Threshold value. Enter up to 255 characters. It cannot be less than 0, or positive or negative infinity.
alarmName	Yes	String	Threshold name. It cannot be empty. Enter up to 255 characters. The following special characters are not allowed: "#%&'+;<=>?\
dimensions	Yes	Array of Dimension objects	Metric dimension. The total dimension length (that is, total JSON characters of the array) cannot exceed 65,535. The array cannot contain more than 100 elements.
unit	Yes	String	Metric unit. It cannot be empty. Enter up to 32 characters.
actionEnabled	No	Boolean	Whether to enable alarm reporting.
alarmActions	No	Array of strings	Action to be taken when an alarm is reported. The array can contain up to five elements. It must start with SMN: and cannot contain a number sign (#). Example: "SMN:en-us:op_xxx;+08\|00:console.xxx/aom/?agencyId=3402daf6xxxxx0e1&locale=en-us&region=xxx$/aom:urn:smn:xxx:06175f8cxxxx391f:aomtest" Parsed: "SMN:{zh-cn \| en-us}:{domain_name};{timezone}:{console_uri}:{topic_urn}"
alarmAdvice	No	String	Handling suggestion. Enter up to 255 characters.
alarmDescription	No	String	Threshold rule description. Enter up to 1024 characters.
insufficientDataActions	No	Array of strings	Action to be taken when data is insufficient. The array can contain up to five elements. It must start with SMN: and cannot contain a number sign (#). Example: "SMN:en-us:op_xxx;+08\|00:console.xxx/aom/?agencyId=3402daf6xxxxx0e1&locale=en-us&region=xxx$/aom:urn:smn:xxx:06175f8cxxxx391f:aomtest" Parsed: "SMN:{zh-cn \| en-us}:{domain_name};{timezone}:{console_uri}:{topic_urn}"
okActions	No	Array of strings	Action to be taken when restoration is complete. The array can contain up to five elements. It must start with SMN: and cannot contain a number sign (#). Example: "SMN:en-us:op_xxx;+08\|00:console.xxx/aom/?agencyId=3402daf6xxxxx0e1&locale=en-us&region=xxx$/aom:urn:smn:xxx:06175f8cxxxx391f:aomtest" Parsed: "SMN:{zh-cn \| en-us}:{domain_name};{timezone}:{console_uri}:{topic_urn}"

**Table 4** Dimension
Parameter	Mandatory	Type	Description
name	Yes	String	Dimension name. It cannot be empty. Enter up to 255 characters.
value	No	String	Dimension value. Enter up to 1024 characters.

Response Parameters

Status code: 200

**Table 5** Response body parameters
Parameter	Type	Description
errorCode	String	Response code.
errorMessage	String	Response message.
alarmId	Long	Threshold rule code.

Example Requests

Modify a threshold rule.

PUT https://{Endpoint}/v1/{project_id}/ams/alarms

{
  "actionEnabled" : false,
  "alarmActions" : [ ],
  "alarmAdvice" : "",
  "alarmDescription" : "",
  "alarmLevel" : 3,
  "alarmName" : "aaaaaaaa",
  "comparisonOperator" : ">=",
  "dimensions" : [ {
    "name" : "appName",
    "value" : "rhm-broker"
  } ],
  "evaluationPeriods" : 1,
  "insufficientDataActions" : [ ],
  "metricName" : "cpuCoreLimit",
  "namespace" : "PAAS.CONTAINER",
  "okActions" : [ ],
  "period" : 60000,
  "statistic" : "average",
  "threshold" : 0,
  "unit" : "Core"
}

Example Responses

Status code: 200

The request is successful.

{
  "errorCode" : "SVCSTG_AMS_2000000",
  "errorMessage" : "success",
  "alarmId" : 12345678
}

Status Codes

Status Code	Description
200	OK The request is successful.
400	Bad Request Invalid request. The client should not repeat the request without modifications.
401	Unauthorized The authorization information is incorrect or invalid.
403	ForbiddenThe request is rejected. The server has received the request and understood it, but the server refuses to respond to it. The client should not repeat the request without modifications.
500	Internal Server Error The server is able to receive the request but unable to understand the request.
503	Service Unavailable The requested service is invalid. The client should not repeat the request without modifications.