a.yaml

heat_template_version: 2015-10-15

description: |
  This is a Heat template to deploy single Linux server running a cloud
    big data cloud cluster

parameter_groups:

- label: Cluster Settings
  parameters:
  - clusterName
  - region

- label: Cluster Login
  parameters:
  - clusterLogin
  - ssh


- label: Cluster Configuration
  parameters:
  - flavors
  - slaves


parameters:

  # Cluster settings
  clusterName:
    label: Cluster Name
    description: Specify a name to identify and distinguish the cluster
    type: string
    default: cbd_heat_cluster
    constraints:
    - allowed_pattern: "^[a-zA-Z][a-zA-Z0-9-]*$"
      description: Must begin with a letter and contain only alphanumeric characters.

  region:
    label: Cluster Region
    description: Specify the region in which to create the cluster
    type: string
    default: DFW
    constraints:
    - allowed_values:
      - DFW
      - ORD
      - SYD
      - HKG
      - IAD
      - LON
      description: Must be a valid data center.

  # Cluster login
  clusterLogin:
    label: Cluster Username
    description: |
      Specify a user that will be created on all nodes for access to and administration of the cluster.
    type: string
    default: cbd_heat_user
    constraints:
    - allowed_pattern: "^[a-zA-Z][a-zA-Z]*$"
      description: |
          Must only contain alphabets.

  ssh:
    label: SSH key
    description: |
        Optional: Allows login using SSH key, provide only already created SSH key name .
    type: string
    default: ''

  #Cluster Configuration
    flavors:
    label: Storage
    type: string
    default: 2 vCPU(s), 7.5 GB RAM, 1.25 TB Disk
    description: |
        Cluster flavors specification
    constraints:
      - allowed_values:
        - 2 vCPU(s), 7.5 GB RAM, 1.25 TB Disk
        - 4 vCPU(s), 15 GB RAM, 2.5 TB Disk
        - 8 vCPU(s), 30 GB RAM, 5.0 TB Disk
        - 18 vCPU(s), 60 GB RAM, 10.0 TB Disk
        description: |
          Must be a valid flavor type.


  slaves:
    label: Number of slave Nodes
    description: |
      Number of nodes(datanode, gateway and namenode) within cluster to be created.
    type: number
    default: 2
    constraints:
    - range:
        min: 1
        max: 8
      description: Must be between 1 and 8 nodes.

resources:
  cbd_cluster:
    type: "Rackspace::Cloud::BigData"
    properties:
      clusterName: CLUSTER_NAME
      stackId: HADOOP_HDP2_2
      flavor: FLAVOR
      numSlaveNodes: SLAVE_NODES
      publicKeyName: [public key name]
      publicKey: [public key goes here]
      params:
        SLAVE_NODES: {get_param: slaves}
        CLUSTER_NAME: {get_param: clusterName}
        FLAVOR: {get_param: flavors}

outputs:
  cluster_id:
    value: { get_attr: [cbd_cluster, clusterId] }
    description: Cloud Big Data Cluster ID