heat_template_version: 2015-04-30

description: >
  Launch different groups of VMs.

  Default Quota per User:
  CPU: 32, RAM: 60 GB, DISK: 320 GB
  (this is 8 m3.large or 4 m3.xlarge)

parameters:
  key_name:
    label: SSH Key
    description: Name of an existing PublicKey to enable SSH access to the instances.
    type: string
    default: field
    constraints:
       - custom_constraint: nova.keypair
  instance_image:
    label: Image
    constraints:
    - allowed_values: [Centos 6.5, CentOS 7.2, Ubuntu 14.04.1 LTS Trusty Tahr (cloudimg)]
    description: VM Image
    type: string
    default: CentOS 7.2
  admin_password:
    label: Admin Password
    description: Admin password for the new VMs
    type: string
    default: hadoop
  instance_type_master:
    label: Master Instance Type
    constraints:
    - allowed_values: [m3.medium, m3.large, m3.xlarge, m3.2xlarge, m3.4xlarge, m3.8xlarge, m3.16xlarge]
    description: Master Node Instance Type
    type: string
    default: m3.large
  num_vms_masters:
    label: Number of Master Nodes
    description: Number of Master VMs to launch
    type: string
    constraints:
      - allowed_values: [ "0","1","2","3","4","5","6","7","8" ]
  instance_type_worker:
    label: Worker Node Instance Type
    constraints:
    - allowed_values: [m3.medium, m3.large, m3.xlarge, m3.2xlarge, m3.4xlarge, m3.8xlarge, m3.16xlarge]
    description: Worker Node VM Type
    type: string
    default: m3.large
  num_vms_workers:
    label: Number of Worker Nodes
    description: Number of Worker VMs to launch
    type: string
    constraints:
      - allowed_values: [ "0","1","2","3","4","5","6","7","8" ]
  instance_type_edge:
    label: Edge Node Instance Type
    constraints:
    - allowed_values: [m3.medium, m3.large, m3.xlarge, m3.2xlarge, m3.4xlarge, m3.8xlarge, m3.16xlarge]
    description: Edge Node Instance Type
    type: string
    default: m3.large
  num_vms_edge:
    label: Number of Edge Nodes
    description: Number of Edge VMs to launch
    type: string
    constraints:
      - allowed_values: [ "0","1","2","3","4","5","6","7","8" ]
  instance_type_stream:
    label: Stream Node Instance Type
    constraints:
    - allowed_values: [m3.medium, m3.large, m3.xlarge, m3.2xlarge, m3.4xlarge, m3.8xlarge, m3.16xlarge]
    description: Stream Node Instance Type
    type: string
    default: m3.large
  num_vms_stream:
    label: Number of Stream Nodes
    description: Number of Stream VMs to launch
    type: string
    constraints:
      - allowed_values: [ "0","1","2","3","4","5","6","7","8" ]

parameter_groups:
- label: Access
  parameters:
  - key_name
  - admin_password
- label: OS
  parameters:
  - instance_image
- label: Masters
  parameters:
  - instance_type_master
  - num_vms_masters
- label: Workers
  parameters:
  - instance_type_worker
  - num_vms_workers
- label: Edges
  parameters:
  - instance_type_edge
  - num_vms_edge
- label: Streams
  parameters:
  - instance_type_stream
  - num_vms_stream

resources:
  masters:
    type: OS::Heat::ResourceGroup
    properties:
      count: { get_param: num_vms_masters }
      resource_def:
        type: OS::Nova::Server
        properties:
          flavor: { get_param: instance_type_master }
          image: { get_param: instance_image }
          name:
             str_replace:
                template:
                   $namem$index
                params:
                   $name: { get_param: "OS::stack_name" }
                   $index: "%index%"
          key_name: { get_param: key_name }
          admin_pass: { get_param: admin_password }
          admin_user: root
          availability_zone : PS

  workers:
    type: OS::Heat::ResourceGroup
    properties:
      count: { get_param: num_vms_workers }
      resource_def:
        type: OS::Nova::Server
        properties:
          flavor: { get_param: instance_type_worker }
          image: { get_param: instance_image }
          name:
             str_replace:
                template:
                   $namew$index
                params:
                   $name: { get_param: "OS::stack_name" }
                   $index: "%index%"
          key_name: { get_param: key_name }
          admin_pass: { get_param: admin_password }
          admin_user: root
          availability_zone : PS

  edge:
    type: OS::Heat::ResourceGroup
    properties:
      count: { get_param: num_vms_edge }
      resource_def:
        type: OS::Nova::Server
        properties:
          flavor: { get_param: instance_type_edge }
          image: { get_param: instance_image }
          name:
             str_replace:
                template:
                   $namee$index
                params:
                   $name: { get_param: "OS::stack_name" }
                   $index: "%index%"
          key_name: { get_param: key_name }
          admin_pass: { get_param: admin_password }
          admin_user: root
          availability_zone : PS

  stream:
    type: OS::Heat::ResourceGroup
    properties:
      count: { get_param: num_vms_stream }
      resource_def:
        type: OS::Nova::Server
        properties:
          flavor: { get_param: instance_type_stream }
          image: { get_param: instance_image }
          name:
             str_replace:
                template:
                   $names$index
                params:
                   $name: { get_param: "OS::stack_name" }
                   $index: "%index%"
          key_name: { get_param: key_name }
          admin_pass: { get_param: admin_password }
          admin_user: root
          availability_zone : PS

outputs:
   instance_ip:
      description: The IP addresses of the deployed instance
      value: { get_attr: [masters, first_address] }