Help Center/ Cloud Eye/ API Reference/ API/ Alarms/ Alarm Rules/ Querying Alarm Rules (Recommended)
Updated on 2026-06-11 GMT+08:00

Querying Alarm Rules (Recommended)

Function

This API is used to query the alarm rule list.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependencies

    ces:alarms:list

    List

    -

    g:EnterpriseProjectId

    -

    -

URI

GET /v2/{project_id}/alarms

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID. It is used to specify the project that an asset belongs to. You can query the assets of a project by project ID. You can obtain the project ID from the API or console. For details, see Obtaining a Project ID.

Constraints

N/A

Range

1 to 64 characters.

Default Value

N/A

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

alarm_id

No

String

Definition

Alarm rule ID.

Constraints

N/A

Range

The value starts with al and is followed by 22 characters of letters, digits, or a combination of both.

Default Value

N/A

name

No

String

Definition

Alarm rule name.

Constraints

N/A

Range

The value allows 1 to 128 characters and can only contain letters, digits, underscores (_), and hyphens (-).

Default Value

N/A

namespace

No

String

Definition

Namespace of the service. For details, see Services Interconnected with Cloud Eye.

Constraints

N/A

Range

The value is in the service.item format. The values of service and item must start with a letter and contain only letters, digits, and underscores (_). It can contain up to 32 characters.

Default Value

N/A

resource_id

No

String

Definition

ID of a resource in an alarm rule.

Constraints

N/A

Range

If the resource has multiple dimensions, the resource IDs are sorted in ascending alphabetical order and separated by commas (,). The value can contain 0 to 700 characters.

Default Value

N/A

enterprise_project_id

No

String

Definition

Enterprise project ID.

Constraints

N/A

Range

The value allows 36 characters. It can only contain lowercase letters, digits, hyphens (-), and underscores (_). You can customize an enterprise project ID. The value can also be 0 (default enterprise project ID) or all_granted_eps (all enterprise project IDs).

Default Value

N/A

product_name

No

String

Definition

Name of the cloud product that the resource belongs to. Generally, the value format is Service namespace,First-level dimension of the service, for example, SYS.ECS,instance_id.

Constraints

N/A

Range

0 to 128 characters.

Default Value

N/A

resource_level

No

String

Definition

Resource level of the alarm rule to create. The value product indicates the cloud product type. An empty value or the value dimension indicates the specific dimension type.

Constraints

N/A

Range

The value can be:

  • product: cloud product.

  • dimension: specific dimension.

Default Value

N/A

offset

No

Integer

Definition

Pagination offset.

Constraints

N/A

Range

[0,10,000]

Default Value

0

limit

No

Integer

Definition

Number of records displayed on each page.

Constraints

N/A

Range

[1,100]

Default Value

10

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

Content-Type

No

String

Definition

MIME type of the request body.

Constraints:

None

Value range:

The value can contain 1 to 64 characters.

Default value:

The default type is application/json; charset=UTF-8.

X-Auth-Token

No

String

Definition

User token.

Constraints:

None

Value range:

The value can contain 1 to 16,384 characters.

Default value:

None

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

alarms

Array of alarms objects

Definition

Alarm rules.

Range

Max. 100 alarm rules.

count

Integer

Definition

Total number of alarm rules.

Range

[0,10000]

Table 5 alarms

Parameter

Type

Description

alarm_id

String

Definition

Alarm rule ID. Example: al123232232341232132

Range

The value starts with al and is followed by 22 characters of letters, digits, or a combination of both. It contains 24 characters.

name

String

Definition

Alarm rule name.

Range

The value allows 1 to 128 characters and can only contain letters, digits, underscores (_), and hyphens (-).

description

String

Definition

Alarm description.

Range

[0,256]

namespace

String

Definition

Namespace of the service. For details, see Services Interconnected with Cloud Eye.

Range

The value is in the service.item format. The values of service and item must start with a letter and contain only letters, digits, and underscores (_). The value can contain up to 32 characters.

policies

Array of PolicyResp objects

Definition

Alarm policy.

Range

Max. 100 policies

resources

Array of ResourcesInListResp objects

Definition

Resource list. Associated resources can be obtained by calling the API for Querying Resources in an Alarm Rule.

Range

Max. 3,000 resources.

type

String

Definition

Alarm rule type.

Range

The value can be:

  • ALL_INSTANCE: The alarm rule is created for all resources.

  • RESOURCE_GROUP: The alarm rule is created for resource groups.

  • MULTI_INSTANCE: The alarm rule is created for specific resources.

  • EVENT.SYS: The alarm rule is created for system events.

  • EVENT.CUSTOM: The alarm rule is created for custom events.

  • DNSHealthCheck: The alarm rule is created for health check.

enabled

Boolean

Definition

Whether to enable the alarm rule.

Range

A boolean value.

  • true: enabled

  • false: disabled

notification_enabled

Boolean

Definition

Whether to enable alarm notifications.

Range

A boolean value.

  • true: enabled

  • false: disabled

alarm_notifications

Array of NotificationResp objects

Definition

Notification group or topic subscription for alarm notifications.

ok_notifications

Array of NotificationResp objects

Definition

Information about the notification group or topic subscription when the alarm is cleared.

notification_begin_time

String

Definition

Time when alarm notifications were enabled. Example: 00:00

Range

The value allows 1 to 64 characters and can only contain digits and colons (:).

notification_end_time

String

Definition

Time when alarm notifications were disabled. Example: 08:00

Range

The value allows 1 to 64 characters and can only contain digits and colons (:).

effective_timezone

String

Definition

Time zone, for example, GMT-08:00, GMT+08:00, or GMT+0:00.

Range

1 to 16 characters

enterprise_project_id

String

Definition

Enterprise project ID.

Range

The value can only contain lowercase letters, digits, and hyphens (-). 0 indicates the ID of the default enterprise project.

alarm_template_id

String

Definition

ID of the alarm template associated with the alarm rule.

Range

The value starts with at and allows 2 to 64 characters. It can only contain letters and digits.

product_name

String

Definition

Name of a cloud product when the resource level is cloud product. Generally, the value format is Service namespace,First-level dimension of the service, for example, SYS.ECS,instance_id.

Range

0 to 128 characters.

resource_level

String

Definition

Resource level.

Range

The value can be:

  • product: cloud product.

  • dimension: specific dimension.

tags

Array of ResourceTagResp objects

Definition

Tenant tags.

Range

A maximum of 20 tags

Table 6 PolicyResp

Parameter

Type

Description

metric_name

String

Definition

Metric name of a resource. For details about the metric names of each resource, see their service documentation. You can navigate there from Services Interconnected with Cloud Eye.

Range

The value must start with a letter and can only contain letters, digits, underscores (_), and hyphens (-). It allows 1 to 96 characters. For example, the ECS metric cpu_util indicates the CPU usage of an ECS. The DDS metric mongo001_command_ps indicates the command execution frequency.

period

Integer

Definition

Metric period, in seconds. For details about the original metric period for each cloud service, see Services Interconnected with Cloud Eye.
  • 0: The alarm is triggered immediately. This value applies only to event scenarios.

  • 1: original metric period. For example, if the original period of an RDS metric is 60s, the metric data is collected and calculated every 60s.

  • 300: The metric data is collected and calculated every 5 minutes.

  • 1200: The metric data is collected and calculated every 20 minutes.

  • 3600: The metric data is collected and calculated every hour.

  • 14400: The metric data is collected and calculated every 4 hours.

  • 86400: The metric data is collected and calculated every day.

Range

The value can be:

filter

String

Definition

Aggregation method.

Range

  • average

  • variance

  • min: minimum value.

  • max: maximum value.

  • sum

comparison_operator

String

Definition

Threshold symbol.

Range

The value can be >, <, >=, <=, =, !=, cycle_decrease, cycle_increase, or cycle_wave. cycle_decrease indicates the decrease relative to the last period; cycle_increase indicates the increase relative to the last period; cycle_wave indicates the increase or decrease relative to the last period.

value

Number

Definition

Alarm threshold. For details, see Services Interconnected with Cloud Eye.

Range

-1.7976931348623157e+108 to 1.7976931348623157e+108

hierarchical_value

HierarchicalValueResp object

Definition

Multi-level alarm threshold.

unit

String

Definition

Data unit.

Range

[0,32]

count

Integer

Definition

Number of times that the alarm triggering conditions are met.

Range

For event alarms, the value ranges from 1 to 180. For metric and website alarms, the value can be 1, 2, 3, 4, 5, 10, 15, 30, 60, 90, 120, or 180.

suppress_duration

Integer

Definition

Alarm suppression duration, in seconds. This parameter corresponds to the last field in the alarm policy when you create an alarm rule. This field is used to mitigate frequent alarm occurrences.

Range

The value can be:

  • 0: An event alarm is not suppressed in the immediate triggering scenario, and is generated only once in the accumulated triggering scenario.

  • 300: An alarm is generated every 5 minutes once the alarm triggering condition is met.

  • 600: An alarm is generated every 10 minutes once the alarm triggering condition is met.

  • 900: An alarm is generated every 15 minutes once the alarm triggering condition is met.

  • 1800: An alarm is generated every 30 minutes once the alarm triggering condition is met.

  • 3600: An alarm is generated every 60 minutes once the alarm triggering condition is met.

  • 10800: An alarm is generated every 3 hours once the alarm triggering condition is met.

  • 21600: An alarm is generated every 6 hours once the alarm triggering condition is met.

  • 43200: An alarm is generated every 12 hours once the alarm triggering condition is met.

  • 86400: An alarm is generated once every day once the alarm triggering condition is met.

level

Integer

Definition

Alarm severity.

Range

The value can be:

  • 1: critical.

  • 2: major.

  • 3: minor.

  • 4: warning.

namespace

String

Definition

namespace and dimension_name need to be specified for cloud product-level rules. This is to specify the resources that the policies apply to. For details, see Services Interconnected with Cloud Eye.

Range

The value is in the service.item format. The values of service and item must start with a letter and contain only letters, digits, and underscores (_). The value can contain up to 32 characters.

dimension_name

String

Definition

Dimension name of a resource. For details about the dimension names of each resource, see their service documentation. You can navigate there from Services Interconnected with Cloud Eye. namespace and dimension_name need to be specified for cloud product-level rules to specify the resources to which the policy applies.

Range

A maximum of four dimensions are supported. Example: instance_id for single-dimension scenarios and instance_id,disk for multi-dimension scenarios.

Table 7 HierarchicalValueResp

Parameter

Type

Description

critical

Double

Definition

Threshold for critical alarms.

Range

[-1.7976931348623157e+108, 1.7976931348623157e+108]

major

Double

Definition

Threshold for major alarms.

Range

[-1.7976931348623157e+108, 1.7976931348623157e+108]

minor

Double

Definition

Threshold for minor alarms.

Range

[-1.7976931348623157e+108, 1.7976931348623157e+108]

info

Double

Definition

Threshold for warnings.

Range

[-1.7976931348623157e+108, 1.7976931348623157e+108]

Table 8 ResourcesInListResp

Parameter

Type

Description

resource_group_id

String

Definition

Resource group ID. This parameter is available when the monitoring scope is Resource groups.

Range

The value starts with rg and is followed by 22 characters of letters, digits, or a combination of both.

resource_group_name

String

Definition

Resource group name. This parameter is available when the monitoring scope is Resource groups.

Range

1 to 128 characters.

dimensions

Array of MetricDimensionResp objects

Definition

Dimension information.

Table 9 MetricDimensionResp

Parameter

Type

Description

name

String

Definition

Resource dimension name.

Range

The value must start with a letter and can contain 1 to 32 characters.

value

String

Definition

Resource dimension value.

Range

0 to 256 characters.

Table 10 NotificationResp

Parameter

Type

Description

type

String

Definition

Notification type.

Range

The value can be:

  • notification: notification groups or topic subscriptions

  • contact: cloud account contacts

  • contactGroup: notification groups (deprecated)

  • autoscaling: AS notifications. It is used only in AS and is not recommended.

  • groupwatch: deprecated

  • ecsRecovery: deprecated

  • iecAction: deprecated

notification_list

Array of strings

Definition

Recipients to be notified of the alarm status changes. The value of topicUrn can be obtained from SMN. For details, see section "Querying Topics".

Table 11 ResourceTagResp

Parameter

Type

Description

key

String

Definition

Tag name.

Range

1 to 128 Unicode characters.

value

String

Definition

Tag value.

Range

0 to 255 Unicode characters.

Status code: 400

Table 12 Response body parameters

Parameter

Type

Description

error_code

String

Status codes customized by each cloud service when a request error occurs.

error_msg

String

Request error message.

request_id

String

Request ID.

Status code: 500

Table 13 Response body parameters

Parameter

Type

Description

error_code

String

Status codes customized by each cloud service when a request error occurs.

error_msg

String

Request error message.

request_id

String

Request ID.

Example Requests

Query alarm rules.

/v2/{project_id}/alarms?offset=0&limit=10

Example Responses

Status code: 200

Query succeeded.

{
  "alarms" : [ {
    "alarm_id" : "al16558829757444BVVxr999",
    "name" : "alarm01",
    "description" : "",
    "namespace" : "SYS.ECS",
    "policies" : [ {
      "metric_name" : "disk_device_read_bytes_rate",
      "period" : 1,
      "filter" : "average",
      "comparison_operator" : ">",
      "value" : 75,
      "unit" : "byte/s",
      "count" : 3,
      "suppress_duration" : 10800,
      "level" : 2
    } ],
    "resources" : [ {
      "dimensions" : [ {
        "name" : "disk_name"
      } ]
    } ],
    "type" : "ALL_INSTANCE",
    "enabled" : true,
    "notification_enabled" : true,
    "alarm_notifications" : [ {
      "type" : "notification",
      "notification_list" : [ "urn:smn:xxx:xxx70e7359:topic_xxx" ]
    } ],
    "ok_notifications" : [ {
      "type" : "notification",
      "notification_list" : [ "urn:smn:xxx:xxx70e7359:topic_xxx" ]
    } ],
    "notification_begin_time" : "00:00",
    "notification_end_time" : "23:59",
    "enterprise_project_id" : "0",
    "tags" : [ {
      "key" : "Usage",
      "value" : "project1"
    } ]
  } ],
  "count" : 1
}

Status Codes

Status Code

Description

200

Query succeeded.

400

Parameter verification failed.

500

Internal system error.

Error Codes

See Error Codes.