func (k *kafka) init(cfg *common.Config) error {
debugf("initialize kafka output")
config := defaultConfig
if err := cfg.Unpack(&config); err != nil {
return err
}
topic, err := outil.BuildSelectorFromConfig(cfg, outil.Settings{
Key: "topic",
MultiKey: "topics",
EnableSingleOnly: true,
FailEmpty: true,
})
if err != nil {
return err
}
partitioner, err := makePartitioner(config.Partition)
if err != nil {
return err
}
k.config = config
k.partitioner = partitioner
k.topic = topic
// validate config one more time
_, err = k.newKafkaConfig()
if err != nil {
return err
}
return nil
}
func (k *kafka) init(cfg *common.Config) error {
debugf("initialize kafka output")
k.config = defaultConfig
if err := cfg.Unpack(&k.config); err != nil {
return err
}
var err error
k.topic, err = outil.BuildSelectorFromConfig(cfg, outil.Settings{
Key: "topic",
MultiKey: "topics",
EnableSingleOnly: true,
FailEmpty: true,
})
if err != nil {
return err
}
_, err = newKafkaConfig(&k.config)
if err != nil {
return err
}
return nil
}
func (r *redisOut) init(cfg *common.Config, expireTopo int) error {
config := defaultConfig
if err := cfg.Unpack(&config); err != nil {
return err
}
sendRetries := config.MaxRetries
maxAttempts := config.MaxRetries + 1
if sendRetries < 0 {
maxAttempts = 0
}
var dataType redisDataType
switch config.DataType {
case "", "list":
dataType = redisListType
case "channel":
dataType = redisChannelType
default:
return errors.New("Bad Redis data type")
}
if cfg.HasField("index") && !cfg.HasField("key") {
s, err := cfg.String("index", -1)
if err != nil {
return err
}
if err := cfg.SetString("key", -1, s); err != nil {
return err
}
}
if !cfg.HasField("key") {
cfg.SetString("key", -1, r.beatName)
}
key, err := outil.BuildSelectorFromConfig(cfg, outil.Settings{
Key: "key",
MultiKey: "keys",
EnableSingleOnly: true,
FailEmpty: true,
})
if err != nil {
return err
}
tls, err := outputs.LoadTLSConfig(config.TLS)
if err != nil {
return err
}
transp := &transport.Config{
Timeout: config.Timeout,
Proxy: &config.Proxy,
TLS: tls,
Stats: &transport.IOStats{
Read: statReadBytes,
Write: statWriteBytes,
ReadErrors: statReadErrors,
WriteErrors: statWriteErrors,
},
}
// configure topology support
r.topology.init(transp, topoConfig{
host: config.HostTopology,
password: config.PasswordTopology,
db: config.DbTopology,
expire: time.Duration(expireTopo) * time.Second,
})
// configure publisher clients
clients, err := modeutil.MakeClients(cfg, func(host string) (mode.ProtocolClient, error) {
t, err := transport.NewClient(transp, "tcp", host, config.Port)
if err != nil {
return nil, err
}
return newClient(t, config.Password, config.Db, key, dataType), nil
})
if err != nil {
return err
}
logp.Info("Max Retries set to: %v", sendRetries)
m, err := modeutil.NewConnectionMode(clients, modeutil.Settings{
Failover: !config.LoadBalance,
MaxAttempts: maxAttempts,
Timeout: config.Timeout,
WaitRetry: defaultWaitRetry,
MaxWaitRetry: defaultMaxWaitRetry,
})
if err != nil {
return err
}
r.mode = m
return nil
}
func (out *elasticsearchOutput) init(
cfg *common.Config,
topologyExpire int,
) error {
config := defaultConfig
if err := cfg.Unpack(&config); err != nil {
return err
}
index, err := outil.BuildSelectorFromConfig(cfg, outil.Settings{
Key: "index",
MultiKey: "indices",
EnableSingleOnly: true,
FailEmpty: true,
})
if err != nil {
return err
}
tlsConfig, err := outputs.LoadTLSConfig(config.TLS)
if err != nil {
return err
}
err = out.readTemplate(&config.Template)
if err != nil {
return err
}
out.index = index
pipeline, err := outil.BuildSelectorFromConfig(cfg, outil.Settings{
Key: "pipeline",
MultiKey: "pipelines",
EnableSingleOnly: true,
FailEmpty: false,
})
if err != nil {
return err
}
if !pipeline.IsEmpty() {
out.pipeline = &pipeline
}
clients, err := modeutil.MakeClients(cfg, makeClientFactory(tlsConfig, &config, out))
if err != nil {
return err
}
maxRetries := config.MaxRetries
maxAttempts := maxRetries + 1 // maximum number of send attempts (-1 = infinite)
if maxRetries < 0 {
maxAttempts = 0
}
var waitRetry = time.Duration(1) * time.Second
var maxWaitRetry = time.Duration(60) * time.Second
out.clients = clients
loadBalance := config.LoadBalance
m, err := modeutil.NewConnectionMode(clients, modeutil.Settings{
Failover: !loadBalance,
MaxAttempts: maxAttempts,
Timeout: config.Timeout,
WaitRetry: waitRetry,
MaxWaitRetry: maxWaitRetry,
})
if err != nil {
return err
}
out.mode = m
return nil
}