自动缩放错误的 openstack HOT 模板

Question

heat_template_version: '2021-04-16'
parameters:
  desired_capacity:
    default: 1
    type: number
  flavor_name:
    description: Name of the flavor to use for the instances.
    type: string
  image_id:
    description: ID of the image to use for the instances.
    type: string
  key_name:
    type: string
  max_instances:
    default: 5
    type: number
  min_instances:
    default: 1
    type: number
  scale_down_threshold:
    default: 30
    type: number
  scale_up_threshold:
    default: 60
    type: number
resources:
  autoscaling_group:
    properties:
      desired_capacity:
        get_param: desired_capacity
      max_size:
        get_param: max_instances
      min_size:
        get_param: min_instances
      resource:
        properties:
          flavor:
            get_param: flavor_name
          image:
            get_param: image_id
          key_name:
            get_param: key_name
          networks:
          - port:
              get_resource: instance_port
        type: OS::Nova::Server
    type: OS::Heat::AutoScalingGroup
  instance_port:
    properties:
      fixed_ips:
      - subnet_id:
          get_resource: subnet
      network:
        get_resource: network
    type: OS::Neutron::Port
  network:
    properties:
      name: private
    type: OS::Neutron::Net
  scale_down_alarm:
    properties:
      aggregation_method: mean
      alarm_actions:
      - get_attr:
        - scale_down_policy
        - alarm_url
      comparison_operator: lt
      evaluation_periods: 1
      granularity: 60
      metric: cpu_util
      query: 'metric=cpu_util:mean{resource_id={get_resource: autoscaling_group},flavor_id={get_param:
        flavor_name}}<{get_param:scale_down_threshold}'
      resource_type: instance
      threshold:
        get_param: scale_down_threshold
    type: OS::Aodh::GnocchiAggregationByResourcesAlarm
  scale_down_policy:
    properties:
      adjustment_type: change_in_capacity
      auto_scaling_group_id:
        get_resource: autoscaling_group
      cooldown: 60
      scaling_adjustment: -1
    type: OS::Heat::ScalingPolicy
  scale_up_alarm:
    properties:
      aggregation_method: mean
      alarm_actions:
      - get_attr:
        - scale_up_policy
        - alarm_url
      comparison_operator: gt
      evaluation_periods: 1
      granularity: 60
      metric: cpu_util
      query: 'metric=cpu_util:mean{resource_id={get_resource: autoscaling_group},flavor_id={get_param:
        flavor_name}}>{get_param:scale_up_threshold}'
      resource_type: instance
      threshold:
        get_param: scale_up_threshold
    type: OS::Aodh::GnocchiAggregationByResourcesAlarm
  scale_up_policy:
    properties:
      adjustment_type: change_in_capacity
      auto_scaling_group_id:
        get_resource: autoscaling_group
      cooldown: 60
      scaling_adjustment: 1
    type: OS::Heat::ScalingPolicy
  subnet:
    properties:
      cidr: 10.0.0.0/24
      network_id:
        get_resource: network
    type: OS::Neutron::Subnet
    
    
Resource Create Failed: Badrequest: Resources.Scale Up Alarm: Invalid Input For Field/Attribute Rule/Query. Value: 'Metric=Cpu Util:Mean{Resource Id={Get Resource: Autoscaling Group},Flavor Id={Get Param: Flavor Name}}>{Get Param:Scale Up Threshold}'. (Http 400) (Request-Id: Req-2b11fd26-6380-4fe0-B36a-2ae90300a769)

我确实使用这个命令来更新
openstack 堆栈更新 SCALE -t test.yaml --parameter key_name=key --parameter image_id=ec873a2d-0e7b-42e4-8c2a-7afb75953805 --parameter flavor_name=m1.tiny

这是我的 HOT 拓扑的照片 https://gyazo.com/9d28a7c106e4c43c3228f8c3d15688e7

我正在尝试在 openstack 中添加自动缩放，但我在最后一部分遇到了问题，请看照片