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config.go
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config.go
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package kafka
import (
"time"
"github.com/Shopify/sarama"
"github.com/boxgo/box/pkg/config"
"github.com/boxgo/box/pkg/logger"
)
type (
// Config 配置
Config struct {
path string
kfkCfg *sarama.Config
Addrs []string `config:"addrs"`
Net Net `config:"net"`
Metadata Metadata `config:"metadata"`
Producer ProducerConfig `config:"producer"`
Consumer ConsumerConfig `config:"consumer"`
ClientID string `config:"clientId"`
ChannelBufferSize int `config:"channelBufferSize"`
Version sarama.KafkaVersion `config:"version"`
}
Net struct {
MaxOpenRequests int `config:"maxOpenRequests"`
DialTimeout time.Duration `config:"dialTimeout"`
ReadTimeout time.Duration `config:"readTimeout"`
WriteTimeout time.Duration `config:"writeTimeout"`
KeepAlive time.Duration `config:"keepAlive"`
}
Metadata struct {
RetryMax int `config:"retryMax"`
RetryBackoff time.Duration `config:"retryBackoff"`
RetryBackoffFunc func(retries, maxRetries int) time.Duration `config:"-"`
RefreshFrequency time.Duration `config:"refreshFrequency"`
Full bool `config:"full"`
Timeout time.Duration `config:"timeout"`
}
ProducerConfig struct {
MaxMessageBytes int `config:"maxMessageBytes"`
RequiredAcks sarama.RequiredAcks `config:"requiredAcks"`
Timeout time.Duration `config:"timeout"`
Compression sarama.CompressionCodec `config:"compression"`
CompressionLevel int `config:"compressionLevel"`
Partitioner sarama.PartitionerConstructor `config:"-"`
Idempotent bool `config:"idempotent"`
ReturnSuccesses bool `config:"returnSuccesses"`
ReturnErrors bool `config:"returnErrors"`
FlushBytes int `config:"flushBytes"`
FlushMessages int `config:"flushMessages"`
FlushFrequency time.Duration `config:"flushFrequency"`
FlushMaxMessages int `config:"FlushMaxMessages"`
RetryMax int `config:"retryMax"`
RetryBackoff time.Duration `config:"retryBackoff"`
RetryBackoffFunc func(retries, maxRetries int) time.Duration `config:"-"`
Interceptors []sarama.ProducerInterceptor `config:"-"`
}
ConsumerConfig struct {
GroupSessionTimeout time.Duration `config:"groupSessionTimeout"`
GroupHeartbeatInterval time.Duration `config:"groupHeartbeatInterval"`
GroupRebalanceStrategy sarama.BalanceStrategy `config:"groupRebalanceStrategy"`
GroupRebalanceTimeout time.Duration `config:"groupRebalanceTimeout"`
GroupRebalanceRetryMax int `config:"groupRebalanceRetryMax"`
GroupRebalanceRetryBackoff time.Duration `config:"groupRebalanceRetryBackoff"`
GroupMemberUserData []byte `config:"groupMemberUserData"`
RetryBackoff time.Duration `config:"retryBackoff"`
RetryBackoffFunc func(retries int) time.Duration `config:"-"`
FetchMin int32 `config:"fetchMin"`
FetchMax int32 `config:"fetchMax"`
FetchDefault int32 `config:"fetchDefault"`
MaxWaitTime time.Duration `config:"maxWaitTime"`
MaxProcessingTime time.Duration `config:"maxProcessingTime"`
ReturnErrors bool `config:"returnErrors"`
OffsetsCommitInterval time.Duration `config:"offsetsCommitInterval"`
OffsetsInitial int64 `config:"offsetsInitial"`
OffsetsRetention time.Duration `config:"offsetsRetention"`
OffsetRetryMax int `config:"offsetRetryMax"`
OffsetAutoCommitEnable bool `config:"offsetAutoCommitEnable"`
OffsetAutoCommitInterval time.Duration `config:"offsetAutoCommitInterval"`
IsolationLevel sarama.IsolationLevel `config:"isolationLevel"`
Interceptors []sarama.ConsumerInterceptor `config:"-"`
}
// OptionFunc 选项信息
OptionFunc func(*Config)
)
// StdConfig 标准配置
func StdConfig(key string, optionFunc ...OptionFunc) *Config {
cfg := DefaultConfig(key)
for _, fn := range optionFunc {
fn(cfg)
}
if err := config.Scan(cfg); err != nil {
logger.Panicf("Kafka load config error: %s", err)
}
cfg.kfkCfg.Net.MaxOpenRequests = cfg.Net.MaxOpenRequests
cfg.kfkCfg.Net.DialTimeout = cfg.Net.DialTimeout
cfg.kfkCfg.Net.ReadTimeout = cfg.Net.ReadTimeout
cfg.kfkCfg.Net.WriteTimeout = cfg.Net.WriteTimeout
cfg.kfkCfg.Net.KeepAlive = cfg.Net.KeepAlive
cfg.kfkCfg.Metadata.Retry.Max = cfg.Metadata.RetryMax
cfg.kfkCfg.Metadata.Retry.Backoff = cfg.Metadata.RetryBackoff
cfg.kfkCfg.Metadata.Retry.BackoffFunc = cfg.Metadata.RetryBackoffFunc
cfg.kfkCfg.Metadata.RefreshFrequency = cfg.Metadata.RefreshFrequency
cfg.kfkCfg.Metadata.Full = cfg.Metadata.Full
cfg.kfkCfg.Metadata.Timeout = cfg.Metadata.Timeout
cfg.kfkCfg.Producer.MaxMessageBytes = cfg.Producer.MaxMessageBytes
cfg.kfkCfg.Producer.RequiredAcks = cfg.Producer.RequiredAcks
cfg.kfkCfg.Producer.Timeout = cfg.Producer.Timeout
cfg.kfkCfg.Producer.Compression = cfg.Producer.Compression
cfg.kfkCfg.Producer.CompressionLevel = cfg.Producer.CompressionLevel
cfg.kfkCfg.Producer.Partitioner = cfg.Producer.Partitioner
cfg.kfkCfg.Producer.Idempotent = cfg.Producer.Idempotent
cfg.kfkCfg.Producer.Return.Successes = cfg.Producer.ReturnSuccesses
cfg.kfkCfg.Producer.Return.Errors = cfg.Producer.ReturnErrors
cfg.kfkCfg.Producer.Flush.Bytes = cfg.Producer.FlushBytes
cfg.kfkCfg.Producer.Flush.Messages = cfg.Producer.FlushMessages
cfg.kfkCfg.Producer.Flush.Frequency = cfg.Producer.FlushFrequency
cfg.kfkCfg.Producer.Flush.MaxMessages = cfg.Producer.FlushMaxMessages
cfg.kfkCfg.Producer.Retry.Max = cfg.Producer.RetryMax
cfg.kfkCfg.Producer.Retry.Backoff = cfg.Producer.RetryBackoff
cfg.kfkCfg.Producer.Retry.BackoffFunc = cfg.Producer.RetryBackoffFunc
cfg.kfkCfg.Producer.Interceptors = cfg.Producer.Interceptors
cfg.kfkCfg.Consumer.Group.Session.Timeout = cfg.Consumer.GroupSessionTimeout
cfg.kfkCfg.Consumer.Group.Heartbeat.Interval = cfg.Consumer.GroupHeartbeatInterval
cfg.kfkCfg.Consumer.Group.Rebalance.Strategy = cfg.Consumer.GroupRebalanceStrategy
cfg.kfkCfg.Consumer.Group.Rebalance.Timeout = cfg.Consumer.GroupRebalanceTimeout
cfg.kfkCfg.Consumer.Group.Rebalance.Retry.Max = cfg.Consumer.GroupRebalanceRetryMax
cfg.kfkCfg.Consumer.Group.Rebalance.Retry.Backoff = cfg.Consumer.GroupRebalanceRetryBackoff
cfg.kfkCfg.Consumer.Retry.Backoff = cfg.Consumer.RetryBackoff
cfg.kfkCfg.Consumer.Retry.BackoffFunc = cfg.Consumer.RetryBackoffFunc
cfg.kfkCfg.Consumer.Fetch.Min = cfg.Consumer.FetchMin
cfg.kfkCfg.Consumer.Fetch.Max = cfg.Consumer.FetchMax
cfg.kfkCfg.Consumer.Fetch.Default = cfg.Consumer.FetchDefault
cfg.kfkCfg.Consumer.MaxWaitTime = cfg.Consumer.MaxWaitTime
cfg.kfkCfg.Consumer.MaxProcessingTime = cfg.Consumer.MaxProcessingTime
cfg.kfkCfg.Consumer.Return.Errors = cfg.Consumer.ReturnErrors
cfg.kfkCfg.Consumer.Offsets.Initial = cfg.Consumer.OffsetsInitial
cfg.kfkCfg.Consumer.Offsets.Retention = cfg.Consumer.OffsetsRetention
cfg.kfkCfg.Consumer.Offsets.Retry.Max = cfg.Consumer.OffsetRetryMax
cfg.kfkCfg.Consumer.Offsets.AutoCommit.Enable = cfg.Consumer.OffsetAutoCommitEnable
cfg.kfkCfg.Consumer.Offsets.AutoCommit.Interval = cfg.Consumer.OffsetAutoCommitInterval
cfg.kfkCfg.Consumer.IsolationLevel = cfg.Consumer.IsolationLevel
cfg.kfkCfg.Consumer.Interceptors = cfg.Consumer.Interceptors
cfg.kfkCfg.ClientID = cfg.ClientID
cfg.kfkCfg.ChannelBufferSize = cfg.ChannelBufferSize
cfg.kfkCfg.Version = cfg.Version
if err := cfg.kfkCfg.Validate(); err != nil {
logger.Panicf("Kafka config invalid error: %s", err)
}
return cfg
}
// DefaultConfig 默认配置
func DefaultConfig(key string) *Config {
kfkCfg := sarama.NewConfig()
return &Config{
path: "kafka." + key,
Addrs: []string{},
Net: Net{
MaxOpenRequests: kfkCfg.Net.MaxOpenRequests,
DialTimeout: kfkCfg.Net.DialTimeout,
ReadTimeout: kfkCfg.Net.ReadTimeout,
WriteTimeout: kfkCfg.Net.WriteTimeout,
KeepAlive: kfkCfg.Net.KeepAlive,
},
Metadata: Metadata{
RetryMax: kfkCfg.Metadata.Retry.Max,
RetryBackoff: kfkCfg.Metadata.Retry.Backoff,
RetryBackoffFunc: kfkCfg.Metadata.Retry.BackoffFunc,
RefreshFrequency: kfkCfg.Metadata.RefreshFrequency,
Full: kfkCfg.Metadata.Full,
Timeout: kfkCfg.Metadata.Timeout,
},
Producer: ProducerConfig{
MaxMessageBytes: kfkCfg.Producer.MaxMessageBytes,
RequiredAcks: kfkCfg.Producer.RequiredAcks,
Timeout: kfkCfg.Producer.Timeout,
Compression: kfkCfg.Producer.Compression,
CompressionLevel: kfkCfg.Producer.CompressionLevel,
Partitioner: kfkCfg.Producer.Partitioner,
Idempotent: kfkCfg.Producer.Idempotent,
ReturnSuccesses: kfkCfg.Producer.Return.Successes,
ReturnErrors: kfkCfg.Producer.Return.Errors,
FlushBytes: kfkCfg.Producer.Flush.Bytes,
FlushMessages: kfkCfg.Producer.Flush.Messages,
FlushFrequency: kfkCfg.Producer.Flush.Frequency,
FlushMaxMessages: kfkCfg.Producer.Flush.MaxMessages,
RetryMax: kfkCfg.Producer.Retry.Max,
RetryBackoff: kfkCfg.Producer.Retry.Backoff,
RetryBackoffFunc: kfkCfg.Producer.Retry.BackoffFunc,
Interceptors: kfkCfg.Producer.Interceptors,
},
Consumer: ConsumerConfig{
GroupSessionTimeout: kfkCfg.Consumer.Group.Session.Timeout,
GroupHeartbeatInterval: kfkCfg.Consumer.Group.Heartbeat.Interval,
GroupRebalanceStrategy: kfkCfg.Consumer.Group.Rebalance.Strategy,
GroupRebalanceTimeout: kfkCfg.Consumer.Group.Rebalance.Timeout,
GroupRebalanceRetryMax: kfkCfg.Consumer.Group.Rebalance.Retry.Max,
GroupRebalanceRetryBackoff: kfkCfg.Consumer.Group.Rebalance.Retry.Backoff,
GroupMemberUserData: kfkCfg.Consumer.Group.Member.UserData,
RetryBackoff: kfkCfg.Consumer.Retry.Backoff,
RetryBackoffFunc: kfkCfg.Consumer.Retry.BackoffFunc,
FetchMin: kfkCfg.Consumer.Fetch.Min,
FetchMax: kfkCfg.Consumer.Fetch.Max,
FetchDefault: kfkCfg.Consumer.Fetch.Default,
MaxWaitTime: kfkCfg.Consumer.MaxWaitTime,
MaxProcessingTime: kfkCfg.Consumer.MaxProcessingTime,
ReturnErrors: kfkCfg.Consumer.Return.Errors,
OffsetsInitial: kfkCfg.Consumer.Offsets.Initial,
OffsetsRetention: kfkCfg.Consumer.Offsets.Retention,
OffsetRetryMax: kfkCfg.Consumer.Offsets.Retry.Max,
OffsetAutoCommitEnable: kfkCfg.Consumer.Offsets.AutoCommit.Enable,
OffsetAutoCommitInterval: kfkCfg.Consumer.Offsets.AutoCommit.Interval,
IsolationLevel: kfkCfg.Consumer.IsolationLevel,
Interceptors: kfkCfg.Consumer.Interceptors,
},
ClientID: kfkCfg.ClientID,
ChannelBufferSize: kfkCfg.ChannelBufferSize,
Version: kfkCfg.Version,
kfkCfg: kfkCfg,
}
}
// Build 构建实例
func (c *Config) Build() *Kafka {
return newKafka(c)
}
// Path 实例配置目录
func (c *Config) Path() string {
return c.path
}