func (lj *logstash) init(
beat string,
config outputs.MothershipConfig,
topologyExpire int,
) error {
useTLS := false
if config.TLS != nil {
useTLS = !config.TLS.Disabled
}
timeout := logstashDefaultTimeout
if config.Timeout != 0 {
timeout = time.Duration(config.Timeout) * time.Second
}
defaultPort := logstashDefaultPort
if config.Port != 0 {
defaultPort = config.Port
}
var clients []mode.ProtocolClient
var err error
if useTLS {
var tlsConfig *tls.Config
tlsConfig, err = outputs.LoadTLSConfig(config.TLS)
if err != nil {
return err
}
clients, err = mode.MakeClients(config, makeClientFactory(timeout,
func(host string) (TransportClient, error) {
return newTLSClient(host, defaultPort, tlsConfig)
}))
} else {
clients, err = mode.MakeClients(config, makeClientFactory(timeout,
func(host string) (TransportClient, error) {
return newTCPClient(host, defaultPort)
}))
}
if err != nil {
return err
}
sendRetries := defaultSendRetries
if config.Max_retries != nil {
sendRetries = *config.Max_retries
}
maxAttempts := sendRetries + 1
if sendRetries < 0 {
maxAttempts = 0
}
var m mode.ConnectionMode
if len(clients) == 1 {
m, err = mode.NewSingleConnectionMode(clients[0],
maxAttempts, waitRetry, timeout, maxWaitRetry)
} else {
loadBalance := config.LoadBalance != nil && *config.LoadBalance
if loadBalance {
m, err = mode.NewLoadBalancerMode(clients, maxAttempts,
waitRetry, timeout, maxWaitRetry)
} else {
m, err = mode.NewFailOverConnectionMode(clients, maxAttempts, waitRetry, timeout)
}
}
if err != nil {
return err
}
lj.mode = m
if config.Index != "" {
lj.index = config.Index
} else {
lj.index = beat
}
return nil
}
func (out *elasticsearchOutput) init(
beat string,
config outputs.MothershipConfig,
topologyExpire int,
) error {
tlsConfig, err := outputs.LoadTLSConfig(config.TLS)
if err != nil {
return err
}
clients, err := mode.MakeClients(config, makeClientFactory(beat, tlsConfig, config))
if err != nil {
return err
}
timeout := elasticsearchDefaultTimeout
if config.Timeout != 0 {
timeout = time.Duration(config.Timeout) * time.Second
}
maxRetries := defaultMaxRetries
if config.MaxRetries != nil {
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
var m mode.ConnectionMode
out.clients = clients
if len(clients) == 1 {
client := clients[0]
m, err = mode.NewSingleConnectionMode(client, maxAttempts,
waitRetry, timeout, maxWaitRetry)
} else {
loadBalance := config.LoadBalance == nil || *config.LoadBalance
if loadBalance {
m, err = mode.NewLoadBalancerMode(clients, maxAttempts,
waitRetry, timeout, maxWaitRetry)
} else {
m, err = mode.NewFailOverConnectionMode(clients, maxAttempts, waitRetry, timeout)
}
}
if err != nil {
return err
}
if config.Save_topology {
err := out.EnableTTL()
if err != nil {
logp.Err("Fail to set _ttl mapping: %s", err)
// keep trying in the background
go func() {
for {
err := out.EnableTTL()
if err == nil {
break
}
logp.Err("Fail to set _ttl mapping: %s", err)
time.Sleep(5 * time.Second)
}
}()
}
}
out.TopologyExpire = 15000
if topologyExpire != 0 {
out.TopologyExpire = topologyExpire * 1000 // millisec
}
out.mode = m
if config.Index != "" {
out.index = config.Index
} else {
out.index = beat
}
return nil
}