3-deploy-as-vm.yaml

heat_template_version: 2014-10-16

description: Simple template to deploy an autoscaling group

parameters:
  key_name:
    type: string
    label: Key Name
    description: Name of key-pair to be used for compute instance \
      execute "$ nova keypair-list" to get a list if available keys
    default: son-ift-ptin

  image_id:
    type: string
    label: Image ID
    description: Image to be used for compute instance
    default: centos7-cldimg
    constraints:
      - allowed_values: [ centos7-cldimg, trusty-cldimg, xenial-cldimg ]
        description: execute "$ glance image-list" to get a list if available images 

  flavor_id:
    type: string
    label: Instance Type
    description: Type of instance (flavor) to be used
    default: m1.small
    constraints:
      - allowed_values: [ m1.tiny, m1.small, m1.medium, m1.large, m1.xlarge ]
        description: execute "$ nova flavor-list" to get a list if available flavors

  network_id:
    type: string
    label: Network ID
    description: 
    default: qual-netw
    constraints:
      - allowed_values: [ qual-netw, admin_floating_net ]
        description: execute "$ neutron net-list" to get a list if available network segments

  sec_grp:
    type: string
    label: Security Group
    description: SSH, HTTP, HTTPS, 8080, 3821
    constraints:
      - allowed_values: [ qual-secgrp, jk, squid, ssh, www ]
    default: qual-secgrp


resources:

  asg:
    type: OS::Heat::AutoScalingGroup
    properties:
      resource:
        type: OS::Nova::Server
        properties:
          key_name: { get_param: key_name }
          image: { get_param: image_id }
          flavor: { get_param: flavor_id }
          networks: [{network: {get_param: network_id} }]
          security_groups:
            - { get_param: sec_grp }
          metadata: {"metering.stack": {get_param: "OS::stack_id"}}
          user_data: ~/son-install/utils/ansible-install-Core.sh
          user_data_format: RAW
      min_size: 1
      desired_capacity: 1
      max_size: 5

  scale_up_policy:
    type: OS::Heat::ScalingPolicy
    properties:
      adjustment_type: change_in_capacity
      auto_scaling_group_id: {get_resource: asg}
      cooldown: 60
      scaling_adjustment: 1

  scale_dw_policy:
    type: OS::Heat::ScalingPolicy
    properties:
      adjustment_type: change_in_capacity
      auto_scaling_group_id: {get_resource: asg}
      cooldown: 60
      scaling_adjustment: '-1'

  CPUAlarmHigh:
    type: OS::Ceilometer::Alarm
    properties:
      description: Scale-up if the average CPU > 75% for 10 minutes
      meter_name: cpu_util
      statistic: avg
      period: '120'
      evaluation_periods: '1'
      threshold: '75'
      alarm_actions: [{get_attr: [scale_up_policy, alarm_url]}]
      matching_metadata: {'metadata.user_metadata.stack': {get_param: "OS::stack_id"}}
      comparison_operator: gt

  CPUAlarmLow:
    type: OS::Ceilometer::Alarm
    properties:
      description: Scale-down if the average CPU < 25% for 10 minutes
      meter_name: cpu_util
      statistic: avg
      period: '120'
      evaluation_periods: '1'
      threshold: '25'
      alarm_actions: [{get_attr: [scale_dw_policy, alarm_url]}]
      matching_metadata: {'metadata.user_metadata.stack': {get_param: "OS::stack_id"}}
      comparison_operator: lt


outputs:
  instance_ip:
    description: the IP address of the instance
    value: { get_attr: [asg, first_address] }