Namespaces:
  =: io.murano.resources
  std: io.murano
  sys: io.murano.system

Name: ExistingNeutronNetwork

Extends: NeutronNetworkBase

Properties:
  internalNetworkName:
    Contract: $.string()
    Default: null
    Usage: InOut

  internalSubnetworkName:
    Contract: $.string()
    Default: null
    Usage: InOut

  externalNetworkName:
    Contract: $.string()
    Default: null
    Usage: InOut

Workflow:
  initialize:
    Body:
      - $._netExplorer: new(sys:NetworkExplorer)
      - $._networks: null
      - $._subnetworks: null
      - $._internalNetworkId: null
      - $._internalSubnetworkId: null
      - $._externalNetworkId: null

  deploy:
    Body:
      - If: $.internalNetworkName = null
        Then:
          $.internalNetworkName: $._getNetworks().where(
             $.get('router:external') = false).first().name

      - If: $._internalNetworkId = null
        Then:
          $._internalNetworkId: $._getNetworks().where(
            $.name = $this.internalNetworkName or
            $.id = $this.internalNetworkName).first().id

      - If: $.internalSubnetworkName = null
        Then:
          $.internalSubnetworkName: $._getSubnetworks().where(
            $.network_id = $this._internalNetworkId).first().name
      - If: $._internalSubnetworkId = null
        Then:
          $._internalSubnetworkId: $._getSubnetworks().where(
            ($.name = $this.internalSubnetworkName or
              $.id = $this.internalSubnetworkName) and
                $.network_id = $this._internalNetworkId).first().id

      - If: $.externalNetworkName = null
        Then:
          $.externalNetworkName: $._getNetworks().where(
            $.get('router:external') = true).select($.name).firstOrDefault()
      - If: $._externalNetworkId = null and $.externalNetworkName != null
        Then:
          $._externalNetworkId: $._getNetworks().where(
            $.name = $this.externalNetworkName or
            $.id = $this.externalNetworkName).first().id

  _getNetworks:
    Body:
      - If: $._networks = null
        Then:
          $._networks: $._netExplorer.listNetworks()
      - Return: $._networks

  _getSubnetworks:
    Body:
      - If: $._subnetworks = null
        Then:
          $._subnetworks : $._netExplorer.listSubnetworks()
      - Return: $._subnetworks

  joinInstance:
    Arguments:
      - instance:
          Contract: $.class(Instance).notNull()
      - securityGroupName:
          Contract: $.string()
      - assignFloatingIp:
          Contract: $.bool().notNull()
      - sharedIps:
          Contract:
            - $.class(std:SharedIp)
    Body:
      - $.deploy()
      - $fipName: null
      - $floatingIpNeRef: null
      - If: $assignFloatingIp
        Then:
          - $floatingIpNeRef: $._externalNetworkId
          - $fipName: format('fip-{0}-{1}', $.id(), $instance.name)

      - Return: $.joinInstanceToNetwork(
            instance => $instance,
            securityGroupName => $securityGroupName,
            sharedIps => $sharedIps,
            netRef => $._internalNetworkId,
            subnetRef => $._internalSubnetworkId,
            floatingIpResourceName => $fipName,
            floatingIpNeRef => $floatingIpNeRef
          )


  describe:
    Body:
      - $.deploy()
      - Return:
          provider: Neutron
          netRef: $._internalNetworkId
          subnetRef: $._internalSubnetworkId
          floatingIpNeRef: $._externalNetworkId