host-pool-blueprint.yaml

###########################################################
# This Blueprint installs the nodecellar application
# on hosts from an existing host-pool using the
# cloudify-host-pool-plugin
###########################################################

tosca_definitions_version: cloudify_dsl_1_0

imports:
  - http://www.getcloudify.org/spec/cloudify/3.3m3/types.yaml
  - http://www.getcloudify.org/spec/host-pool-plugin/1.3m3/plugin.yaml
  - types/nodecellar.yaml

inputs:

  host_pool_service_endpoint:
    description: >
      URL to the host pool service that will allocate hosts.

node_types:

  nodecellar.nodes.Host:
    derived_from: cloudify.hostpool.nodes.Host
    interfaces:
      cloudify.interfaces.lifecycle:
        create:
          implementation: hostpool.cloudify_hostpool_plugin.tasks.acquire
          inputs:
            service_url:
              default: { get_input: host_pool_service_endpoint }
        delete:
          implementation: hostpool.cloudify_hostpool_plugin.tasks.release
          inputs:
            service_url:
              default: { get_input: host_pool_service_endpoint }


node_templates:

  nodejs_host:
    type: nodecellar.nodes.Host

  mongod_host:
    type: nodecellar.nodes.Host

  mongod:
    type: nodecellar.nodes.MongoDatabase
    properties:
      port: 27017
    relationships:
      - type: cloudify.relationships.contained_in
        target: mongod_host

  nodejs:
    type: nodecellar.nodes.NodeJSServer
    relationships:
      - type: cloudify.relationships.contained_in
        target: nodejs_host

  nodecellar:
    type: nodecellar.nodes.NodecellarApplicationModule
    properties:
      port: 8080
    relationships:

      ################################
      # Setting the mongo connection
      ################################

      - type: node_connected_to_mongo
        target: mongod

      ################################
      # Setting the nodejs connection
      ################################

      - type: node_contained_in_nodejs
        target: nodejs

###########################################################
# This outputs section exposes the application endpoint.
# You can access it by running:
#   - cfy deployments -d <deployment_id> outputs
###########################################################

outputs:
  endpoint:
    description: Web application endpoint
    value:
      ip_address: { get_attribute: [ nodejs_host, public_address ] }
      port: { get_property: [nodecellar, port] }