initial import

+**/.git

+* text=auto eol=lf

+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+
+    - name: Test
+      run: go test -v -race ./...

+# Ignore all
+*
+
+# Unignore all with extensions
+!*.*
+!**/Dockerfile
+
+# Unignore all dirs
+!*/
+!api
+
+.idea
+**/.DS_Store
+**/logs
+!Makefile
+
+# gitlab ci
+.cache
+
+# vim auto backup file
+*~
+!OWNERS

+run:
+  #  concurrency: 6
+  timeout: 5m
+  skip-dirs:
+    - core
+    - doc
+    - example
+    - rest
+    - rpcx
+    - tools
+
+
+linters:
+  disable-all: true
+  enable:
+    - bodyclose
+    - deadcode
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unused
+    - varcheck
+#    - dupl
+
+
+linters-settings:
+
+issues:
+  exclude-rules:
+    - linters:
+        - staticcheck
+      text: 'SA1019: (baseresponse.BoolResponse|oldresponse.FormatBadRequestResponse|oldresponse.FormatResponse)|SA5008: unknown JSON option ("optional"|"default=|"range=|"options=)'

+module github.com/tal-tech/go-stash
+
+go 1.14
+
+require (
+	github.com/fortytw2/leaktest v1.3.0 // indirect
+	github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8
+	github.com/json-iterator/go v1.1.10
+	github.com/mailru/easyjson v0.7.3 // indirect
+	github.com/olivere/elastic v6.2.34+incompatible
+	github.com/segmentio/kafka-go v0.3.5
+	github.com/tal-tech/go-zero v1.0.1
+)

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+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+rsc.io/goversion v1.0.0/go.mod h1:Eih9y/uIBS3ulggl7KNJ09xGSLcuNaLgmvvqa07sgfo=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

+package kq
+
+import "github.com/tal-tech/go-zero/core/service"
+
+const (
+	firstOffset = "first"
+	lastOffset  = "last"
+)
+
+type KqConf struct {
+	service.ServiceConf
+	Brokers      []string
+	Group        string
+	Topic        string
+	Offset       string `json:",options=first|last,default=last"`
+	NumConns     int    `json:",default=1"`
+	NumProducers int    `json:",default=8"`
+	NumConsumers int    `json:",default=8"`
+	MinBytes     int    `json:",default=10240"`    // 10K
+	MaxBytes     int    `json:",default=10485760"` // 10M
+}

+package kq
+
+import (
+	"context"
+	"strconv"
+	"time"
+
+	"github.com/segmentio/kafka-go"
+	"github.com/segmentio/kafka-go/snappy"
+	"github.com/tal-tech/go-zero/core/executors"
+	"github.com/tal-tech/go-zero/core/logx"
+)
+
+type (
+	PushOption func(options *chunkOptions)
+
+	Pusher struct {
+		produer  *kafka.Writer
+		topic    string
+		executor *executors.ChunkExecutor
+	}
+
+	chunkOptions struct {
+		chunkSize     int
+		flushInterval time.Duration
+	}
+)
+
+func NewPusher(addrs []string, topic string, opts ...PushOption) *Pusher {
+	producer := kafka.NewWriter(kafka.WriterConfig{
+		Brokers:          addrs,
+		Topic:            topic,
+		Balancer:         &kafka.LeastBytes{},
+		CompressionCodec: snappy.NewCompressionCodec(),
+	})
+
+	pusher := &Pusher{
+		produer: producer,
+		topic:   topic,
+	}
+	pusher.executor = executors.NewChunkExecutor(func(tasks []interface{}) {
+		chunk := make([]kafka.Message, len(tasks))
+		for i := range tasks {
+			chunk[i] = tasks[i].(kafka.Message)
+		}
+		if err := pusher.produer.WriteMessages(context.Background(), chunk...); err != nil {
+			logx.Error(err)
+		}
+	}, newOptions(opts)...)
+
+	return pusher
+}
+
+func (p *Pusher) Close() error {
+	return p.produer.Close()
+}
+
+func (p *Pusher) Name() string {
+	return p.topic
+}
+
+func (p *Pusher) Push(v string) error {
+	msg := kafka.Message{
+		Key:   []byte(strconv.FormatInt(time.Now().UnixNano(), 10)),
+		Value: []byte(v),
+	}
+	if p.executor != nil {
+		return p.executor.Add(msg, len(v))
+	} else {
+		return p.produer.WriteMessages(context.Background(), msg)
+	}
+}
+
+func WithChunkSize(chunkSize int) PushOption {
+	return func(options *chunkOptions) {
+		options.chunkSize = chunkSize
+	}
+}
+
+func WithFlushInterval(interval time.Duration) PushOption {
+	return func(options *chunkOptions) {
+		options.flushInterval = interval
+	}
+}
+
+func newOptions(opts []PushOption) []executors.ChunkOption {
+	var options chunkOptions
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	var chunkOpts []executors.ChunkOption
+	if options.chunkSize > 0 {
+		chunkOpts = append(chunkOpts, executors.WithChunkBytes(options.chunkSize))
+	}
+	if options.flushInterval > 0 {
+		chunkOpts = append(chunkOpts, executors.WithFlushInterval(options.flushInterval))
+	}
+	return chunkOpts
+}

+package kq
+
+import (
+	"context"
+	"io"
+	"log"
+	"time"
+
+	"github.com/segmentio/kafka-go"
+	_ "github.com/segmentio/kafka-go/gzip"
+	_ "github.com/segmentio/kafka-go/lz4"
+	_ "github.com/segmentio/kafka-go/snappy"
+	"github.com/tal-tech/go-zero/core/logx"
+	"github.com/tal-tech/go-zero/core/queue"
+	"github.com/tal-tech/go-zero/core/service"
+	"github.com/tal-tech/go-zero/core/stat"
+	"github.com/tal-tech/go-zero/core/threading"
+	"github.com/tal-tech/go-zero/core/timex"
+)
+
+const (
+	defaultCommitInterval = time.Second
+	defaultMaxWait        = time.Second
+)
+
+type (
+	ConsumeHandle func(key, value string) error
+
+	ConsumeHandler interface {
+		Consume(key, value string) error
+	}
+
+	queueOptions struct {
+		commitInterval time.Duration
+		maxWait        time.Duration
+		metrics        *stat.Metrics
+	}
+
+	QueueOption func(*queueOptions)
+
+	kafkaQueue struct {
+		c                KqConf
+		consumer         *kafka.Reader
+		handler          ConsumeHandler
+		channel          chan kafka.Message
+		producerRoutines *threading.RoutineGroup
+		consumerRoutines *threading.RoutineGroup
+		metrics          *stat.Metrics
+	}
+
+	kafkaQueues struct {
+		queues []queue.MessageQueue
+		group  *service.ServiceGroup
+	}
+)
+
+func MustNewQueue(c KqConf, handler ConsumeHandler, opts ...QueueOption) queue.MessageQueue {
+	q, err := NewQueue(c, handler, opts...)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return q
+}
+
+func NewQueue(c KqConf, handler ConsumeHandler, opts ...QueueOption) (queue.MessageQueue, error) {
+	if err := c.SetUp(); err != nil {
+		return nil, err
+	}
+
+	var options queueOptions
+	for _, opt := range opts {
+		opt(&options)
+	}
+	ensureQueueOptions(c, &options)
+
+	if c.NumConns < 1 {
+		c.NumConns = 1
+	}
+	q := kafkaQueues{
+		group: service.NewServiceGroup(),
+	}
+	for i := 0; i < c.NumConns; i++ {
+		q.queues = append(q.queues, newKafkaQueue(c, handler, options))
+	}
+
+	return q, nil
+}
+
+func newKafkaQueue(c KqConf, handler ConsumeHandler, options queueOptions) queue.MessageQueue {
+	var offset int64
+	if c.Offset == firstOffset {
+		offset = kafka.FirstOffset
+	} else {
+		offset = kafka.LastOffset
+	}
+	consumer := kafka.NewReader(kafka.ReaderConfig{
+		Brokers:        c.Brokers,
+		GroupID:        c.Group,
+		Topic:          c.Topic,
+		StartOffset:    offset,
+		MinBytes:       c.MinBytes, // 10KB
+		MaxBytes:       c.MaxBytes, // 10MB
+		MaxWait:        options.maxWait,
+		CommitInterval: options.commitInterval,
+	})
+
+	return &kafkaQueue{
+		c:                c,
+		consumer:         consumer,
+		handler:          handler,
+		channel:          make(chan kafka.Message),
+		producerRoutines: threading.NewRoutineGroup(),
+		consumerRoutines: threading.NewRoutineGroup(),
+		metrics:          options.metrics,
+	}
+}
+
+func (q *kafkaQueue) Start() {
+	q.startConsumers()
+	q.startProducers()
+
+	q.producerRoutines.Wait()
+	close(q.channel)
+	q.consumerRoutines.Wait()
+}
+
+func (q *kafkaQueue) Stop() {
+	q.consumer.Close()
+	logx.Close()
+}
+
+func (q *kafkaQueue) consumeOne(key, val string) error {
+	startTime := timex.Now()
+	err := q.handler.Consume(key, val)
+	q.metrics.Add(stat.Task{
+		Duration: timex.Since(startTime),
+	})
+	return err
+}
+
+func (q *kafkaQueue) startConsumers() {
+	for i := 0; i < q.c.NumConsumers; i++ {
+		q.consumerRoutines.Run(func() {
+			for msg := range q.channel {
+				if err := q.consumeOne(string(msg.Key), string(msg.Value)); err != nil {
+					logx.Errorf("Error on consuming: %s, error: %v", string(msg.Value), err)
+				}
+			}
+		})
+	}
+}
+
+func (q *kafkaQueue) startProducers() {
+	for i := 0; i < q.c.NumProducers; i++ {
+		q.producerRoutines.Run(func() {
+			for {
+				msg, err := q.consumer.ReadMessage(context.Background())
+				// io.EOF means consumer closed
+				// io.ErrClosedPipe means committing messages on the consumer,
+				// kafka will refire the messages on uncommitted messages, ignore
+				if err == io.EOF || err == io.ErrClosedPipe {
+					return
+				}
+				if err != nil {
+					logx.Errorf("Error on reading mesage, %q", err.Error())
+					continue
+				}
+				q.channel <- msg
+			}
+		})
+	}
+}
+
+func (q kafkaQueues) Start() {
+	for _, each := range q.queues {
+		q.group.Add(each)
+	}
+	q.group.Start()
+}
+
+func (q kafkaQueues) Stop() {
+	q.group.Stop()
+}
+
+func WithCommitInterval(interval time.Duration) QueueOption {
+	return func(options *queueOptions) {
+		options.commitInterval = interval
+	}
+}
+
+func WithHandle(handle ConsumeHandle) ConsumeHandler {
+	return innerConsumeHandler{
+		handle: handle,
+	}
+}
+
+func WithMaxWait(wait time.Duration) QueueOption {
+	return func(options *queueOptions) {
+		options.maxWait = wait
+	}
+}
+
+func WithMetrics(metrics *stat.Metrics) QueueOption {
+	return func(options *queueOptions) {
+		options.metrics = metrics
+	}
+}
+
+type innerConsumeHandler struct {
+	handle ConsumeHandle
+}
+
+func (ch innerConsumeHandler) Consume(k, v string) error {
+	return ch.handle(k, v)
+}
+
+func ensureQueueOptions(c KqConf, options *queueOptions) {
+	if options.commitInterval == 0 {
+		options.commitInterval = defaultCommitInterval
+	}
+	if options.maxWait == 0 {
+		options.maxWait = defaultMaxWait
+	}
+	if options.metrics == nil {
+		options.metrics = stat.NewMetrics(c.Name)
+	}
+}

+# go-stash项目介绍
+
+go-stash is a free and open server-side data processing pipeline that ingests data from Kafka, transforms it, and then sends it to ElasticSearch.
+

+package config
+
+import (
+	"time"
+
+	"github.com/tal-tech/go-stash/kq"
+)
+
+type (
+	Condition struct {
+		Key   string
+		Value string
+		Type  string `json:",default=match,options=match|contains"`
+		Op    string `json:",default=and,options=and|or"`
+	}
+
+	ElasticSearchConf struct {
+		Hosts            []string
+		DailyIndexPrefix string
+		TimeZone         string `json:",optional"`
+		MaxChunkBytes    int    `json:",default=1048576"`
+		Compress         bool   `json:",default=false"`
+	}
+
+	Filter struct {
+		Action     string      `json:",options=drop|remove_field"`
+		Conditions []Condition `json:",optional"`
+		Fields     []string    `json:",optional"`
+	}
+
+	Config struct {
+		Input struct {
+			Kafka kq.KqConf
+		}
+		Filters []Filter
+		Output  struct {
+			ElasticSearch ElasticSearchConf
+		}
+		GracePeriod time.Duration `json:",default=10s"`
+	}
+)

+package es
+
+import (
+	"context"
+	"sync"
+	"time"
+
+	"github.com/olivere/elastic"
+	"github.com/tal-tech/go-zero/core/fx"
+	"github.com/tal-tech/go-zero/core/logx"
+	"github.com/tal-tech/go-zero/core/syncx"
+)
+
+const sharedCallsKey = "ensureIndex"
+
+type (
+	IndexFormat func(time.Time) string
+	IndexFunc   func() string
+
+	Index struct {
+		client      *elastic.Client
+		indexFormat IndexFormat
+		index       string
+		lock        sync.RWMutex
+		sharedCalls syncx.SharedCalls
+	}
+)
+
+func NewIndex(client *elastic.Client, indexFormat IndexFormat) *Index {
+	return &Index{
+		client:      client,
+		indexFormat: indexFormat,
+		sharedCalls: syncx.NewSharedCalls(),
+	}
+}
+
+func (idx *Index) GetIndex(t time.Time) string {
+	index := idx.indexFormat(t)
+	if err := idx.ensureIndex(index); err != nil {
+		logx.Error(err)
+	}
+	return index
+}
+
+func (idx *Index) ensureIndex(index string) error {
+	idx.lock.RLock()
+	if index == idx.index {
+		idx.lock.RUnlock()
+		return nil
+	}
+	idx.lock.RUnlock()
+
+	_, err := idx.sharedCalls.Do(sharedCallsKey, func() (i interface{}, err error) {
+		idx.lock.Lock()
+		defer idx.lock.Unlock()
+
+		existsService := elastic.NewIndicesExistsService(idx.client)
+		existsService.Index([]string{index})
+		exist, err := existsService.Do(context.Background())
+		if err != nil {
+			return nil, err
+		}
+		if exist {
+			idx.index = index
+			return nil, nil
+		}
+
+		createService := idx.client.CreateIndex(index)
+		if err := fx.DoWithRetries(func() error {
+			// is it necessary to check the result?
+			_, err := createService.Do(context.Background())
+			return err
+		}); err != nil {
+			return nil, err
+		}
+
+		idx.index = index
+		return nil, nil
+	})
+	return err
+}

+package es
+
+import (
+	"context"
+	"time"
+
+	"github.com/olivere/elastic"
+	"github.com/tal-tech/go-stash/stash/config"
+	"github.com/tal-tech/go-zero/core/executors"
+	"github.com/tal-tech/go-zero/core/logx"
+)
+
+const docType = "doc"
+
+type (
+	Writer struct {
+		client   *elastic.Client
+		indexer  *Index
+		inserter *executors.ChunkExecutor
+	}
+
+	valueWithTime struct {
+		t   time.Time
+		val string
+	}
+)
+
+func NewWriter(c config.ElasticSearchConf, indexer *Index) (*Writer, error) {
+	client, err := elastic.NewClient(
+		elastic.SetSniff(false),
+		elastic.SetURL(c.Hosts...),
+		elastic.SetGzip(c.Compress),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	writer := Writer{
+		client:  client,
+		indexer: indexer,
+	}
+	writer.inserter = executors.NewChunkExecutor(writer.execute, executors.WithChunkBytes(c.MaxChunkBytes))
+	return &writer, nil
+}
+
+func (w *Writer) Write(t time.Time, val string) error {
+	return w.inserter.Add(valueWithTime{
+		t:   t,
+		val: val,
+	}, len(val))
+}
+
+func (w *Writer) execute(vals []interface{}) {
+	var bulk = w.client.Bulk()
+	for _, val := range vals {
+		pair := val.(valueWithTime)
+		req := elastic.NewBulkIndexRequest().Index(w.indexer.GetIndex(pair.t)).Type(docType).Doc(pair.val)
+		bulk.Add(req)
+	}
+	_, err := bulk.Do(context.Background())
+	if err != nil {
+		logx.Error(err)
+	}
+}

+{
+    "Input": {
+        "Kafka": {
+            "Name": "gostash",
+            "Brokers": [
+                "172.16.186.16:19092",
+                "172.16.186.17:19092"
+            ],
+            "Topic": "k8slog",
+            "Group": "pro",
+            "NumProducers": 16,
+            "MetricsUrl": "http://localhost:2222/add"
+        }
+    },
+    "Filters": [
+        {
+            "Action": "drop",
+            "Conditions": [
+                {
+                    "Key": "k8s_container_name",
+                    "Value": "-rpc",
+                    "Type": "contains"
+                },
+                {
+                    "Key": "level",
+                    "Value": "info",
+                    "Type": "match",
+                    "Op": "and"
+                }
+            ]
+        },
+        {
+            "Action": "remove_field",
+            "Fields": [
+                "message",
+                "_source",
+                "_type",
+                "_score",
+                "_id",
+                "@version",
+                "topic",
+                "index",
+                "beat",
+                "docker_container",
+                "offset",
+                "prospector",
+                "source",
+                "stream"
+            ]
+        }
+    ],
+    "Output": {
+        "ElasticSearch": {
+            "Hosts": [
+                "172.16.141.4:9200",
+                "172.16.141.5:9200"
+            ],
+            "DailyIndexPrefix": "k8s_pro-"
+        }
+    }
+}
\ No newline at end of file

+package filter
+
+import (
+	"strings"
+
+	"github.com/globalsign/mgo/bson"
+	"github.com/tal-tech/go-stash/stash/config"
+)
+
+const (
+	filterDrop         = "drop"
+	filterRemoveFields = "remove_field"
+	opAnd              = "and"
+	opOr               = "or"
+	typeContains       = "contains"
+	typeMatch          = "match"
+)
+
+type FilterFunc func(map[string]interface{}) map[string]interface{}
+
+func CreateFilters(c config.Config) []FilterFunc {
+	var filters []FilterFunc
+
+	for _, f := range c.Filters {
+		switch f.Action {
+		case filterDrop:
+			filters = append(filters, DropFilter(f.Conditions))
+		case filterRemoveFields:
+			filters = append(filters, RemoveFieldFilter(f.Fields))
+		}
+	}
+
+	return filters
+}
+
+func DropFilter(conds []config.Condition) FilterFunc {
+	return func(m map[string]interface{}) map[string]interface{} {
+		var qualify bool
+		for _, cond := range conds {
+			var qualifyOnce bool
+			switch cond.Type {
+			case typeMatch:
+				qualifyOnce = cond.Value == m[cond.Key]
+			case typeContains:
+				if val, ok := m[cond.Key].(string); ok {
+					qualifyOnce = strings.Contains(val, cond.Value)
+				}
+			}
+
+			switch cond.Op {
+			case opAnd:
+				if !qualifyOnce {
+					return m
+				} else {
+					qualify = true
+				}
+			case opOr:
+				if qualifyOnce {
+					qualify = true
+				}
+			}
+		}
+
+		if qualify {
+			return nil
+		} else {
+			return m
+		}
+	}
+}
+
+func RemoveFieldFilter(fields []string) FilterFunc {
+	return func(m map[string]interface{}) map[string]interface{} {
+		for _, field := range fields {
+			delete(m, field)
+		}
+		return m
+	}
+}
+
+func AddUriFieldFilter(inField, outFirld string) FilterFunc {
+	return func(m map[string]interface{}) map[string]interface{} {
+		if val, ok := m[inField].(string); ok {
+			var datas []string
+			idx := strings.Index(val, "?")
+			if idx < 0 {
+				datas = strings.Split(val, "/")
+			} else {
+				datas = strings.Split(val[:idx], "/")
+			}
+
+			for i, data := range datas {
+				if bson.IsObjectIdHex(data) {
+					datas[i] = "*"
+				}
+			}
+
+			m[outFirld] = strings.Join(datas, "/")
+		}
+
+		return m
+	}
+}

+package handler
+
+import (
+	"time"
+
+	jsoniter "github.com/json-iterator/go"
+	"github.com/tal-tech/go-stash/stash/es"
+	"github.com/tal-tech/go-stash/stash/filter"
+)
+
+const (
+	timestampFormat = "2006-01-02T15:04:05.000Z"
+	timestampKey    = "@timestamp"
+)
+
+type MessageHandler struct {
+	writer  *es.Writer
+	filters []filter.FilterFunc
+}
+
+func NewHandler(writer *es.Writer) *MessageHandler {
+	return &MessageHandler{
+		writer: writer,
+	}
+}
+
+func (mh *MessageHandler) AddFilters(filters ...filter.FilterFunc) {
+	for _, f := range filters {
+		mh.filters = append(mh.filters, f)
+	}
+}
+
+func (mh *MessageHandler) Consume(_, val string) error {
+	m := make(map[string]interface{})
+	if err := jsoniter.Unmarshal([]byte(val), &m); err != nil {
+		return err
+	}
+
+	for _, proc := range mh.filters {
+		if m = proc(m); m == nil {
+			return nil
+		}
+	}
+
+	bs, err := jsoniter.Marshal(m)
+	if err != nil {
+		return err
+	}
+
+	return mh.writer.Write(mh.getTime(m), string(bs))
+}
+
+func (mh *MessageHandler) getTime(m map[string]interface{}) time.Time {
+	if ti, ok := m[timestampKey]; ok {
+		if ts, ok := ti.(string); ok {
+			if t, err := time.Parse(timestampFormat, ts); err == nil {
+				return t
+			}
+		}
+	}
+
+	return time.Now()
+}

+package main
+
+import (
+	"flag"
+	"time"
+
+	"github.com/olivere/elastic"
+	"github.com/tal-tech/go-stash/kq"
+	"github.com/tal-tech/go-stash/stash/config"
+	"github.com/tal-tech/go-stash/stash/es"
+	"github.com/tal-tech/go-stash/stash/filter"
+	"github.com/tal-tech/go-stash/stash/handler"
+	"github.com/tal-tech/go-zero/core/conf"
+	"github.com/tal-tech/go-zero/core/lang"
+	"github.com/tal-tech/go-zero/core/proc"
+)
+
+const dateFormat = "2006.01.02"
+
+var configFile = flag.String("f", "etc/config.json", "Specify the config file")
+
+func main() {
+	flag.Parse()
+
+	var c config.Config
+	conf.MustLoad(*configFile, &c)
+	proc.SetTimeoutToForceQuit(c.GracePeriod)
+
+	client, err := elastic.NewClient(
+		elastic.SetSniff(false),
+		elastic.SetURL(c.Output.ElasticSearch.Hosts...),
+	)
+	lang.Must(err)
+
+	indexFormat := c.Output.ElasticSearch.DailyIndexPrefix + dateFormat
+	var loc *time.Location
+	if len(c.Output.ElasticSearch.TimeZone) > 0 {
+		loc, err = time.LoadLocation(c.Output.ElasticSearch.TimeZone)
+		lang.Must(err)
+	} else {
+		loc = time.Local
+	}
+	indexer := es.NewIndex(client, func(t time.Time) string {
+		return t.In(loc).Format(indexFormat)
+	})
+
+	filters := filter.CreateFilters(c)
+	writer, err := es.NewWriter(c.Output.ElasticSearch, indexer)
+	lang.Must(err)
+
+	handle := handler.NewHandler(writer)
+	handle.AddFilters(filters...)
+	handle.AddFilters(filter.AddUriFieldFilter("url", "uri"))
+	q := kq.MustNewQueue(c.Input.Kafka, handle)
+	q.Start()
+}