// PublicAddress implements the server side of Client.PublicAddress.
func (c *Client) PublicAddress(p params.PublicAddress) (results params.PublicAddressResults, err error) {
switch {
case names.IsMachine(p.Target):
machine, err := c.api.state.Machine(p.Target)
if err != nil {
return results, err
}
addr := instance.SelectPublicAddress(machine.Addresses())
if addr == "" {
return results, fmt.Errorf("machine %q has no public address", machine)
}
return params.PublicAddressResults{PublicAddress: addr}, nil
case names.IsUnit(p.Target):
unit, err := c.api.state.Unit(p.Target)
if err != nil {
return results, err
}
addr, ok := unit.PublicAddress()
if !ok {
return results, fmt.Errorf("unit %q has no public address", unit)
}
return params.PublicAddressResults{PublicAddress: addr}, nil
}
return results, fmt.Errorf("unknown unit or machine %q", p.Target)
}
// PublicAddress returns the public address of the unit and whether it is valid.
func (u *Unit) PublicAddress() (string, bool) {
var publicAddress string
addresses := u.addressesOfMachine()
if len(addresses) > 0 {
publicAddress = instance.SelectPublicAddress(addresses)
}
return publicAddress, publicAddress != ""
}
func InstanceAddress(addresses map[string][]nova.IPAddress) string {
return instance.SelectPublicAddress(convertNovaAddresses(addresses))
}