service-1.yaml

---
tosca_definitions_version: tosca_simple_yaml_1_3

description: Service Template for remote LED with privileged containers

metadata:
  template_name: "fog service orchestration for LEDs"
  template_author: "UoH"
  template_version: "2.0"

imports:
  - relationshiptypes/token_transfer/token_transfer.yaml
  - nodetypes/swarm_leader/swarm_leader.yaml
  - nodetypes/swarm_worker/swarm_worker.yaml
  - nodetypes/docker_services/docker_services.yaml
  - nodetypes/docker_containers/docker_containers.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_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 }

    # Swarm leader node
    docker-swarm-leader:
      type: fog.docker.SwarmLeader
      requirements:
        - host: fog-node-1

    # Swarm worker nodes
    docker-swarm-worker-1:
      type: fog.docker.SwarmWorker
      requirements:
        - host: fog-node-2
        - leader: docker-swarm-leader

    docker-swarm-worker-2:
      type: fog.docker.SwarmWorker
      requirements:
        - host: fog-node-3
        - leader: docker-swarm-leader

    # Docker Service (SWARM)
    docker-service-1:
      type: fog.docker.Services
      properties:
        name: mystack
        url: https://raw.githubusercontent.com/cloud-and-smart-labs/docker-images/main/websocket-led/docker-compose.yaml
      requirements:
        - host: docker-swarm-leader
        - dependency: docker-swarm-worker-1
        - dependency: docker-swarm-worker-2

    # Privileged containers
    privileged_container-1:
      type: fog.docker.Containers
      properties:
        name: TESTNAME
        url: https://raw.githubusercontent.com/cloud-and-smart-labs/docker-images/main/websocket-led/actuator/docker-compose.yaml
        packages:
          - websockets
      requirements:
        - host: fog-node-1
        - dependency: docker-service-1

    privileged_container-2:
      type: fog.docker.Containers
      properties:
        name: TESTNAME
        url: https://raw.githubusercontent.com/cloud-and-smart-labs/docker-images/main/websocket-led/actuator/docker-compose.yaml
        packages:
          - websockets
      requirements:
        - host: fog-node-2
        - dependency: docker-service-1

    privileged_container-3:
      type: fog.docker.Containers
      properties:
        name: TESTNAME
        url: https://raw.githubusercontent.com/cloud-and-smart-labs/docker-images/main/websocket-led/actuator/docker-compose.yaml
        packages:
          - websockets
      requirements:
        - host: fog-node-3
        - dependency: docker-service-1

  outputs:
    output_worker_token_attribute:
      description: Swarm join token for worker nodes
      value: { get_attribute: [docker-swarm-leader, worker_token] }
    output_manager_token_attribute:
      description: Swarm join token for manager nodes
      value: { get_attribute: [docker-swarm-leader, manager_token] }
    advertised_address:
      description: Swarm join address
      value: { get_attribute: [docker-swarm-leader, advertise_addr] }