heat_template_version: 2015-10-15

description: >
  Returns an IP from a network mapped list of IPs. This version is for IPv6
  addresses. The ip_address_uri output will have brackets for use in URLs.

parameters:
  ExternalNetName:
    description: Name of the external network
    default: external
    type: string
  PortName:
    description: Name of the port
    default: ''
    type: string
  ControlPlaneIP: # Here for compatability with noop.yaml
    description: IP address on the control plane
    default: ''
    type: string
  IPPool:
    default: {}
    description: A network mapped list of IPs
    type: json
  NodeIndex:
    default: 0
    description: Index of the IP to get from Pool
    type: number
  ExternalNetCidr:
    default: '2001:db8:fd00:1000::/64'
    description: Cidr for the external network.
    type: string

outputs:
  ip_address:
    description: external network IP
    value: {get_param: [IPPool, {get_param: ExternalNetName}, {get_param: NodeIndex}]}
  ip_address_uri:
    description: external network IP (for compatibility with IPv6)
    value:
          list_join:
          - ''
          - - '['
            - {get_param: [IPPool, {get_param: ExternalNetName}, {get_param: NodeIndex}]}
            - ']'
  ip_subnet:
    description: IP/Subnet CIDR for the external network IP
    value:
      list_join:
      - ''
      - - {get_param: [IPPool, {get_param: ExternalNetName}, {get_param: NodeIndex}]}
        - '/'
        - {str_split: ['/', {get_attr: [ExternalPort, subnets, 0, cidr]}, 1]}