// Creates a new KafkaTransport instance with sensible default values.
func NewTransport(brokers []string, zkHosts []string, inputBinding string, outputBinding string) *Transport {
if len(brokers) == 0 {
brokers = make([]string, 1)
brokers[0] = "localhost:9092"
log.Debugf("No Kafka brokers set. Using localhost:9092")
}
if len(zkHosts) == 0 {
zkHosts = make([]string, 1)
zkHosts[0] = "localhost:2181"
log.Debugf("No Zookeeper hosts set. Using localhost:2181")
}
if inputBinding == "" {
inputBinding = "input"
}
if outputBinding == "" {
outputBinding = "output"
}
transport := &Transport{
Transport: api.Transport{
InputBinding: transport.EscapeTopicName(transport.StripPrefix(inputBinding)),
InputSemantic: transport.GetBindingSemantic(inputBinding),
OutputBinding: transport.EscapeTopicName(transport.StripPrefix(outputBinding)),
OutputSemantic: transport.GetBindingSemantic(outputBinding),
},
Brokers: brokers,
ZookeeperHosts: zkHosts,
TopicReadinessWaitTimeSec: 120,
}
return transport
}
// NewTransport creates a new Redis-based transport instance with sensible default values.
// Either address or sentinel address (and also set sentinelMaster) has to be set.
func NewTransport(address string, sentinelMaster string, inputBinding string, outputBinding string) *Transport {
// set some reasonable defaults
if address == "" || address == ":6379" {
address = "localhost:6379"
} else { // check if it has a port
match, _ := regexp.MatchString("^.+:\\d+$", address)
if !match {
log.Debugf("Appending default redis port :6379 to %s", address)
address = address + ":6379"
}
}
if inputBinding == "" {
inputBinding = "input"
}
if outputBinding == "" {
outputBinding = "output"
}
transport := &Transport{
Transport: api.Transport{
InputBinding: transport.Prefix(inputBinding),
InputSemantic: transport.GetBindingSemantic(inputBinding),
OutputBinding: transport.Prefix(outputBinding),
OutputSemantic: transport.GetBindingSemantic(outputBinding),
},
Address: address,
SentinelMaster: sentinelMaster,
Timeout: 1, // TODO parameterize via CLI?
MaxConnections: 100, // TODO parameterize via CLI?
}
return transport
}