hco/fragments/VMInstance.yaml

heat_template_version: queens

parameters:

  k8s_network:
    type: string
  k8s_subnet_id:
    type: string
  public_net_id:
    type: string
  data_network:
    type: string
  storage_frontend_network:
    type: string
  availability_zone:
    type: string
    default: nova
  boot_timeout:
    type: number
    description: Boot timeout for instance
    default: 600
  image:
    type: string
    description: Name of image to use for servers
  flavor:
    type: string
    description: Flavor to use for servers
  key_name:
    type: string
    description: Name of keypair to assign to servers

resources:

  k8s_network_port:
    type: OS::Neutron::Port
    properties:
      network: { get_param: k8s_network }
      port_security_enabled: false
      fixed_ips:
        - subnet: { get_param: k8s_subnet_id }

  floating_ip_k8s_net:
    type: OS::Neutron::FloatingIP
    properties:
      floating_network_id: { get_param: public_net_id }
      port_id: { get_resource: k8s_network_port }

  wait_handle:
    type: OS::Heat::WaitConditionHandle

  wait_condition:
    type: OS::Heat::WaitCondition
    properties:
      handle: { get_resource: wait_handle }
      timeout: { get_param: boot_timeout }

  vm_server:
    type: OS::Nova::Server
    properties:
      availability_zone: { get_param: availability_zone }
      image: { get_param: image }
      flavor: { get_param: flavor }
      key_name: { get_param: key_name }
      networks:
        - port: { get_resource: k8s_network_port }
        - network: { get_param : storage_frontend_network }
        - network: { get_param : data_network }
      user_data_format: RAW
      user_data:
        str_replace:
          template: |
            #!/bin/bash
            
            set -x
                        
            STATUS="SUCCESS"
            REASON="The node has been successfully deployed"
            DATA_BINARY="{\"status\": \"$STATUS\", \"reason\": \"$REASON\"}"
            echo "Sending notification to wait condition ..."
            
            WC_EXIT_CODE=1
            counter=0
            while (( ${WC_EXIT_CODE} != 0 && ${counter} < 3 )); do
                wc_notify -k --data-binary "$DATA_BINARY" && WC_EXIT_CODE=0
                counter=$((counter + 1))
            sleep 5
            done
            
            if (( ${WC_EXIT_CODE} !=0 ))
            then
                echo "Cannot send notification to wait condition with a SUCCESS status"
                exit 1
            fi
          params:
            wc_notify: { get_attr: [wait_handle, curl_cli] }

outputs:
  server_public_ip:
    description: Floating IP address of server in public network
    value: { get_attr: [ floating_ip_k8s_net, floating_ip_address ] }