87 lines
2.5 KiB
YAML
87 lines
2.5 KiB
YAML
heat_template_version: 2015-10-15
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description: >
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Example of using monasca resources for auto-scale testing. In this template,
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sample scale-group is created with given nova instance to auto-scale
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when cpu utilization varies between 15 to 50 percent for 3 times consequently.
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parameters:
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flavor:
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type: string
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description: Flavor for the instances to be created
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default: m1.nano
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image:
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type: string
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description: Name or ID of the image to use for the instances.
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resources:
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group:
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type: OS::Heat::AutoScalingGroup
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properties:
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cooldown: 60
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desired_capacity: 2
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max_size: 5
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min_size: 1
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resource:
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type: OS::Nova::Server
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properties:
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flavor: { get_param: flavor }
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image: { get_param: image }
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metadata: {"scale_group": {get_param: "OS::stack_id"}}
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scale_up_policy:
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type: OS::Heat::ScalingPolicy
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properties:
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adjustment_type: change_in_capacity
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auto_scaling_group_id: { get_resource: group }
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cooldown: 60
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scaling_adjustment: 1
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scale_down_policy:
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type: OS::Heat::ScalingPolicy
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properties:
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adjustment_type: change_in_capacity
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auto_scaling_group_id: { get_resource: group }
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cooldown: 60
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scaling_adjustment: -1
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up_notification:
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type: OS::Monasca::Notification
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properties:
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type: webhook
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address: {get_attr: [scale_up_policy, alarm_url]}
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down_notification:
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type: OS::Monasca::Notification
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properties:
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type: webhook
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address: {get_attr: [scale_down_policy, alarm_url]}
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cpu_alarm_high:
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type: OS::Monasca::AlarmDefinition
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properties:
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name: CPU utilization beyond 50 percent
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description: CPU utilization reached beyond 50 percent
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expression:
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str_replace:
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template: avg(vm.cpu.utilization_perc{scale_group=scale_group_id}) > 50 times 3
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params:
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scale_group_id: {get_param: "OS::stack_id"}
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severity: high
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alarm_actions:
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- {get_resource: up_notification }
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cpu_alarm_low:
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type: OS::Monasca::AlarmDefinition
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properties:
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name: CPU utilization less than 15 percent
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description: CPU utilization less than 15 percent
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expression:
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str_replace:
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template: avg(vm.cpu.utilization_perc{scale_group=scale_group_id}) < 15 times 3
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params:
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scale_group_id: {get_param: "OS::stack_id"}
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severity: low
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alarm_actions:
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- {get_resource: down_notification}
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