service.yaml

---
tosca_definitions_version: tosca_simple_yaml_1_3

description: Service Template for Intelligent Temperature & Humidity Management System using k3s orchestration

metadata:
  template_name: "fog service orchestration for IT & HMS"
  template_author: "Rajesh_Thalla"
  template_version: "1.0"

imports:
  - nodetypes/k3s_control_plane/k3s_control_plane.yaml
  - relationshiptypes/token_tranfer/token_transfer.yaml
  - nodetypes/k3s_worker/k3s_worker.yaml
  - nodetypes/k3s_deployment/k3s_deployment.yaml
  - nodetypes/daemon-service/daemon-service.yaml

topology_template:
  inputs:
    node_1:
      type: string
      description: Input IP address of node_1
    node_2:
      type: string
      description: Input IP address of node_2

    node_3:
      type: string
      description: Input IP address of node_3

    node_4:
      type: string
      description: Input IP address of node_4

  outputs:
    fog_node_1_ip:
      description: IP address of fog-node-1 - K3s master-node
      value: { get_attribute: [fog-node-1, private_address] }
      # or use public_address if that is the required IP


  node_templates:
    # All fog nodes
    fog-node-1:
      type: tosca.nodes.Compute
      attributes:
        private_address: { get_input: node_1 }
        public_address: { get_input: node_1 }

    fog-node-2:
      type: tosca.nodes.Compute
      attributes:
        private_address: { get_input: node_2 }
        public_address: { get_input: node_2 }

    fog-node-3:
      type: tosca.nodes.Compute
      attributes:
        private_address: { get_input: node_3 }
        public_address: { get_input: node_3 }
  
    fog-node-4:
      type: tosca.nodes.Compute
      attributes:
        private_address: { get_input: node_4 }
        public_address: { get_input: node_4 }



    #k3s-control-plane
    k3s-control-plane:
      type: fog.k3s.ControlPlane
      requirements: 
        - host: fog-node-1

    #k3s worker node -1
    k3s-worker-1:
      type: fog.k3s.Worker
      requirements:
        - host: fog-node-2
        - leader: k3s-control-plane
    
    # k3s worker node - 2
    k3s-worker-2:
      type: fog.k3s.Worker
      requirements:
        - host: fog-node-3
        - leader: k3s-control-plane

    #k3s deployment of MQTT-broker server
    k3s-deployment-1:
      type: fog.k3s.Deployment
      properties:
        depl_name: mqtt-broker-deployment
        svc_name: mqtt-broker-service
        depl_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/mqtt_broker/mqtt_broker_deployment.yaml
        k3s_name_space: default
      requirements:
        - host: fog-node-1
        - dependency: k3s-worker-1
        - dependency: k3s-worker-2

    # # #k3s deployment -- mqtt-subscriber
    k3s-deployment-2:
      type: fog.k3s.Deployment
      properties:
        depl_name: mqtt-subscriber-deployment
        svc_name: mqtt-subscriber-service
        depl_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/mqtt_subscriber/mqtt_subscriber_deployment.yaml
        k3s_name_space: default
      requirements:
        - host: fog-node-1
        - dependency: k3s-worker-1
        - dependency: k3s-worker-2
        - dependency: k3s-deployment-1

    #Background service to publish sensor data on to broker server
    publisher-node:
      type: fog.daemon.Service
      properties:
        name: mqtt-publisher
        script_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/DHT11-publisher/publisher.py
        service_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/DHT11-publisher/mqtt-publisher.service
        Broker_Server_URL: { concat: [{ get_input: node_1 }, ":30001"] }

        packages:
          - paho-mqtt
          - RPi.GPIO
          - dht11
      requirements:
        - host: fog-node-4
        - dependency: k3s-deployment-1

    #Actuation service on fog-node-1
    # actuator-service-1:
    #   type: fog.daemon.Service
    #   properties:
    #     name: actuator
    #     script_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/actuation-service/actuation.py
    #     service_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/actuation-service/actuation_window_ac.service
    #     Broker_Server_URL: { concat: [{ get_input: node_1 }, ":30001"] }
    #     packages:
    #       - paho-mqtt
    #       - RPi.GPIO
        
    #   requirements:
    #     - host: fog-node-1
    #     - dependency: k3s-deployment-1

    #Actuation service on fog-node-2
    # daemon-service-2:
    #   type: fog.daemon.Service
    #   properties:
    #     name: actuator
    #     script_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/actuation-service/actuation.py
    #     service_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/actuation-service/actuation_window_ac.service
    #     Broker_Server_URL: { concat: [{ get_input: node_1 }, ":30001"] }
    #     packages:
    #       - paho-mqtt
    #       - RPi.GPIO    
    #   requirements:
    #     - host: fog-node-2
    #     - dependency: k3s-deployment-1
    

    #Actuation service on fog-node-3
    actuator-service-3:
      type: fog.daemon.Service
      properties:
        name: actuator
        script_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/actuation-service/actuation.py
        service_url: https://raw.githubusercontent.com/Rajeshzealster/FogDEFTKube--Intelli-Climate-Case-study/main/mqtt/actuation-service/actuation_window_ac.service
        Broker_Server_URL: { concat: [{ get_input: node_1 }, ":30001"] }
        packages:
          - paho-mqtt
          - RPi.GPIO
        
      requirements:
        - host: fog-node-3
        - dependency: k3s-deployment-1