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Enable kafka zstd compression and idempotent writes (influxdata#8435)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package kafka | ||
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| import ( | ||
| "log" | ||
|
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| "github.com/Shopify/sarama" | ||
| "github.com/influxdata/telegraf/plugins/common/tls" | ||
| ) | ||
|
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| // ReadConfig for kafka clients meaning to read from Kafka. | ||
| type ReadConfig struct { | ||
| Config | ||
| } | ||
|
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| // SetConfig on the sarama.Config object from the ReadConfig struct. | ||
| func (k *ReadConfig) SetConfig(config *sarama.Config) error { | ||
| config.Consumer.Return.Errors = true | ||
|
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| return k.Config.SetConfig(config) | ||
| } | ||
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| // WriteConfig for kafka clients meaning to write to kafka | ||
| type WriteConfig struct { | ||
| Config | ||
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| RequiredAcks int `toml:"required_acks"` | ||
| MaxRetry int `toml:"max_retry"` | ||
| MaxMessageBytes int `toml:"max_message_bytes"` | ||
| IdempotentWrites bool `toml:"idempotent_writes"` | ||
| } | ||
|
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| // SetConfig on the sarama.Config object from the WriteConfig struct. | ||
| func (k *WriteConfig) SetConfig(config *sarama.Config) error { | ||
| config.Producer.Return.Successes = true | ||
| config.Producer.Idempotent = k.IdempotentWrites | ||
| config.Producer.Retry.Max = k.MaxRetry | ||
| if k.MaxMessageBytes > 0 { | ||
| config.Producer.MaxMessageBytes = k.MaxMessageBytes | ||
| } | ||
| config.Producer.RequiredAcks = sarama.RequiredAcks(k.RequiredAcks) | ||
| return k.Config.SetConfig(config) | ||
| } | ||
|
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| // Config common to all Kafka clients. | ||
| type Config struct { | ||
| SASLAuth | ||
| tls.ClientConfig | ||
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| Version string `toml:"version"` | ||
| ClientID string `toml:"client_id"` | ||
| CompressionCodec int `toml:"compression_codec"` | ||
|
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| // EnableTLS deprecated | ||
| EnableTLS *bool `toml:"enable_tls"` | ||
| } | ||
|
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| // SetConfig on the sarama.Config object from the Config struct. | ||
| func (k *Config) SetConfig(config *sarama.Config) error { | ||
| if k.EnableTLS != nil { | ||
| log.Printf("W! [kafka] enable_tls is deprecated, and the setting does nothing, you can safely remove it from the config") | ||
| } | ||
| if k.Version != "" { | ||
| version, err := sarama.ParseKafkaVersion(k.Version) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| config.Version = version | ||
| } | ||
|
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| if k.ClientID != "" { | ||
| config.ClientID = k.ClientID | ||
| } else { | ||
| config.ClientID = "Telegraf" | ||
| } | ||
|
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| config.Producer.Compression = sarama.CompressionCodec(k.CompressionCodec) | ||
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| tlsConfig, err := k.ClientConfig.TLSConfig() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| if tlsConfig != nil { | ||
| config.Net.TLS.Config = tlsConfig | ||
| config.Net.TLS.Enable = true | ||
| } | ||
|
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| if err := k.SetSASLConfig(config); err != nil { | ||
| return err | ||
| } | ||
|
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| return nil | ||
| } |
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