// nodeToAgentAdvert takes a etcd Node representing an AgentAdvert and returns an AgentAdvert
func nodeToAgentAdvert(node *client.Node, expectedUUID string) (*defs.AgentAdvert, error) {
adv := new(defs.AgentAdvert)
// Marshal API data into object
err := json.Unmarshal([]byte(node.Value), adv)
if err != nil {
log.Error("Failed to unmarshal json into agent advertisement")
return nil, err
}
// We want to use the TTLDuration field from etcd for simplicity
adv.Expires = node.TTLDuration()
// The etcd key should always match the inner JSON
if expectedUUID != adv.Uuid {
return nil, errors.New("UUID in etcd does not match inner JSON text")
}
return adv, nil
}
