Updated on 2022-09-14 GMT+08:00

Creating a Custom Alarm Template

Function

This API is used to create a custom alarm template to add alarm rules for one or more metrics.

URI

POST /V1.0/{project_id}/alarm-template

  • Parameter description
    Table 1 Parameter description

    Parameter

    Mandatory

    Description

    project_id

    Yes

    Specifies the project ID.

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

  • Example
    POST https://{Cloud Eye endpoint}/V1.0/{project_id}/alarm-template

Request

  • Request parameters
    Table 2 Request parameters

    Parameter

    Mandatory

    Type

    Description

    template_name

    Yes

    String

    Specifies the name of the custom alarm template. The name can contain 1 to 128 characters. Only letters, digits, underscores (_), and hyphens (-) are allowed.

    template_description

    No

    String

    Provides supplementary information about the custom alarm template. The description can contain 0 to 256 characters.

    namespace

    Yes

    String

    Specifies the resource type selected for creating the custom alarm template, that is, the service namespace. For example, if you select ECS, namespace is SYS.ECS.

    NOTICE:

    If you select OS monitoring, namespace must be SYS.ECS.

    dimension_name

    Yes

    String

    Specifies the dimension corresponding to the resource type. If ECS is selected, the ECS dimension and dimension_name are instance_id.

    template_items

    Yes

    Arrays of objects

    Specifies the alarm rules that you add to the custom alarm template. You can add up to 20 alarm rules.

    Table 3 template_items data structure description

    Parameter

    Mandatory

    Type

    Description

    metric_name

    Yes

    String

    Specifies the metric you add to the custom alarm template. For example, you can add ECS cpu_util. To view metrics of each resource, see Services Interconnected with Cloud Eye.

    condition

    Yes

    Condition object

    Specifies the alarm policy you created for the custom alarm template.

    For details, see Table 4.

    alarm_level

    No

    Integer

    Specifies the alarm severity.

    Possible severities are 1 (critical), 2 (major), 3 (minor), and 4 (informational).

    Table 4 condition data structure description

    Parameter

    Mandatory

    Type

    Description

    comparison_operator

    Yes

    String

    Specifies the operator of alarm thresholds, which can be >, =, <, >=, or <=.

    count

    Yes

    Integer

    Specifies the number of consecutive occurrence times that the alarm policy was met. Supported range: 1 to 5

    filter

    Yes

    String

    Specifies the data rollup method, which can be max, min, average, sum, or variance.

    period

    Yes

    Integer

    Specifies the period during which Cloud Eye determines whether to trigger an alarm.

    Unit: second

    Possible periods are 1, 300, 1200, 3600, 14400, and 86400.

    NOTE:

    If you set period to 1, Cloud Eye uses raw data to determine whether to trigger an alarm. You can set this parameter to 0 when you set alarm_type to (EVENT.SYS| EVENT.CUSTOM).

    unit

    No

    String

    Specifies the data unit. Enter up to 32 characters.

    value

    Yes

    Double

    Specifies the alarm threshold, which ranges from 0 to Number. MAX_VALUE (1.7976931348623157e+108). For detailed thresholds, see the value range of each metric in Services Interconnected with Cloud Eye. For example, you can set ECS cpu_util to 80.

    suppress_duration

    No

    Integer

    Specifies the interval for triggering an alarm if the alarm persists. Possible intervals are as follows:

    0: Cloud Eye triggers the alarm only once.

    300: Cloud Eye triggers the alarm every 5 minutes.

    600: Cloud Eye triggers the alarm every 10 minutes.

    900: Cloud Eye triggers the alarm every 15 minutes.

    1800: Cloud Eye triggers the alarm every 30 minutes.

    3600: Cloud Eye triggers the alarm every 1 hour.

    10800: Cloud Eye triggers the alarm every 3 hours.

    21600: Cloud Eye triggers the alarm every 6 hours.

    43200: Cloud Eye triggers the alarm every 12 hours.

    86400: Cloud Eye triggers the alarm every day.

  • Example request
    {
        "template_name": "alarmTemplate-Test01",
        "template_description": "Creating a custom alarm template",
        "namespace": "SYS.ECS",
        "dimension_name": "instance_id",
        "template_items": [
            {
               "metric_name": "cpu_util",
               "condition": {
                   "period": 1,
                   "filter": "average",
                   "comparison_operator": ">=",
                   "value": 90,
                   "unit": "%",
                   "count": 3,
                   "suppress_duration": 300
                },
               "alarm_level": 2
           },
           {
               "metric_name": "mem_util",
               "condition": {
                   "period": 1,
                   "filter": "average",
                   "comparison_operator": ">=",
                   "value": 90,
                   "unit": "%",
                   "count": 3,
                   "suppress_duration": 600
                },
               "alarm_level": 2
           }
       ]
     }
     

Response

  • Response parameters
    Table 5 Response parameters

    Parameter

    Type

    Description

    template_id

    String

    Specifies the ID of the custom alarm template.

  • Example response
    { 
        "template_id":"at1603252280799wLRyGLxnz"
    }

Returned Values

  • Normal

    201

  • Abnormal

    Returned Values

    Description

    400 Bad Request

    Request error.

    401 Unauthorized

    The authentication information is not provided or is incorrect.

    403 Forbidden

    Access to the requested page is forbidden.

    408 Request Timeout

    The request timed out.

    429 Too Many Requests

    Concurrent requests are excessive.

    500 Internal Server Error

    Failed to complete the request because of an internal service error.

    503 Service Unavailable

    The service is currently unavailable.

Error Codes

See Error Codes.