heat_template_version: pike

description: >
  HOT template to created resources deployed by scenario001.
parameters:
  key_name:
    type: string
    description: Name of keypair to assign to servers
    default: 'pingtest_key'
  image:
    type: string
    description: Name of image to use for servers
    default: 'pingtest_image'
  public_net_name:
    type: string
    default: 'nova'
    description: >
      ID or name of public network for which floating IP addresses will be allocated
  private_net_name:
    type: string
    description: Name of private network to be created
    default: 'default-net'
  private_net_cidr:
    type: string
    description: Private network address (CIDR notation)
    default: '192.168.2.0/24'
  private_net_gateway:
    type: string
    description: Private network gateway address
    default: '192.168.2.1'
  private_net_pool_start:
    type: string
    description: Start of private network IP address allocation pool
    default: '192.168.2.100'
  private_net_pool_end:
    type: string
    default: '192.168.2.200'
    description: End of private network IP address allocation pool

resources:

  key_pair:
    type: OS::Nova::KeyPair
    properties:
      save_private_key: true
      name: {get_param: key_name }

  private_net:
    type: OS::Neutron::Net
    properties:
      name: { get_param: private_net_name }

  private_subnet:
    type: OS::Neutron::Subnet
    properties:
      network_id: { get_resource: private_net }
      cidr: { get_param: private_net_cidr }
      gateway_ip: { get_param: private_net_gateway }
      allocation_pools:
        - start: { get_param: private_net_pool_start }
          end: { get_param: private_net_pool_end }

  router:
    type: OS::Neutron::Router
    properties:
      external_gateway_info:
        network: { get_param: public_net_name }

  router_interface:
    type: OS::Neutron::RouterInterface
    properties:
      router_id: { get_resource: router }
      subnet_id: { get_resource: private_subnet }

  volume1:
    type: OS::Cinder::Volume
    properties:
      name: Volume1
      image: { get_param: image }
      size: 1

  server1:
    type: OS::Nova::Server
    depends_on: volume1
    properties:
      name: Server1
      block_device_mapping:
        - device_name: vda
          volume_id: { get_resource: volume1 }
      flavor: { get_resource: test_flavor }
      key_name: { get_resource: key_pair }
      networks:
        - port: { get_resource: server1_port }

  server1_port:
    type: OS::Neutron::Port
    properties:
      network_id: { get_resource: private_net }
      fixed_ips:
        - subnet_id: { get_resource: private_subnet }
      security_groups: [{ get_resource: server_security_group }]

  server1_floating_ip:
    type: OS::Neutron::FloatingIP
    # TODO: investigate why we need this depends_on and if we could
    # replace it by router_id with get_resource: router_interface
    depends_on: router_interface
    properties:
      floating_network: { get_param: public_net_name }
      port_id: { get_resource: server1_port }

  server_security_group:
    type: OS::Neutron::SecurityGroup
    properties:
      description: Add security group rules for server
      name: pingtest-security-group
      rules:
        - remote_ip_prefix: 0.0.0.0/0
          protocol: tcp
          port_range_min: 22
          port_range_max: 22
        - remote_ip_prefix: 0.0.0.0/0
          protocol: icmp

  test_flavor:
    type: OS::Nova::Flavor
    properties:
      ram: 512
      vcpus: 1

  gnocchi_res_alarm:
    type: OS::Aodh::GnocchiResourcesAlarm
    properties:
      description: Do stuff with gnocchi
      metric: cpu_util
      aggregation_method: mean
      granularity: 60
      evaluation_periods: 1
      threshold: 50
      alarm_actions: []
      resource_type: instance
      resource_id: { get_resource: server1 }
      comparison_operator: gt

  asg:
    type: OS::Heat::AutoScalingGroup
    properties:
      max_size: 5
      min_size: 1
      resource:
        type: OS::Heat::RandomString

  scaleup_policy:
    type: OS::Heat::ScalingPolicy
    properties:
      adjustment_type: change_in_capacity
      auto_scaling_group_id: {get_resource: asg}
      cooldown: 0
      scaling_adjustment: 1

  alarm:
    type: OS::Aodh::Alarm
    properties:
      description: Scale-up if the average CPU > 50% for 1 minute
      meter_name: test_meter
      statistic: count
      comparison_operator: ge
      threshold: 1
      period: 60
      evaluation_periods: 1
      alarm_actions:
        - {get_attr: [scaleup_policy, alarm_url]}
      matching_metadata:
        metadata.metering.stack_id: {get_param: "OS::stack_id"}

outputs:
  server1_private_ip:
    description: IP address of server1 in private network
    value: { get_attr: [ server1, first_address ] }
  server1_public_ip:
    description: Floating IP address of server1 in public network
    value: { get_attr: [ server1_floating_ip, floating_ip_address ] }
  asg_size:
    value: {get_attr: [asg, current_size]}