// Discover is used to discover another component
func (c *Component) Discover(serviceName, id string) (*pb_discovery.Announcement, error) {
res, err := c.Discovery.Get(serviceName, id)
if err != nil {
return nil, errors.Wrapf(errors.FromGRPCError(err), "Failed to discover %s/%s", serviceName, id)
}
return res, nil
}
// Announce the component to TTN discovery
func (c *Component) Announce() error {
if c.Identity.Id == "" {
return errors.NewErrInvalidArgument("Component ID", "can not be empty")
}
err := c.Discovery.Announce(c.AccessToken)
if err != nil {
return errors.Wrapf(errors.FromGRPCError(err), "Failed to announce this component to TTN discovery: %s", err.Error())
}
c.Ctx.Info("ttn: Announced to TTN discovery")
return nil
}