add doc
kevin
4 years ago
parent
d58f22e1d1
commit
5b572e5fa6
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After Width: | Height: | Size: 150 KiB |
@ -1,41 +0,0 @@
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package config
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import (
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"time"
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"zero/kq"
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)
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type (
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Condition struct {
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Key string
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Value string
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Type string `json:",default=match,options=match|contains"`
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Op string `json:",default=and,options=and|or"`
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}
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ElasticSearchConf struct {
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Hosts []string
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DailyIndexPrefix string
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TimeZone string `json:",optional"`
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MaxChunkBytes int `json:",default=1048576"`
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Compress bool `json:",default=false"`
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}
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Filter struct {
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Action string `json:",options=drop|remove_field"`
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Conditions []Condition `json:",optional"`
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Fields []string `json:",optional"`
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}
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Config struct {
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Input struct {
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Kafka kq.KqConf
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}
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Filters []Filter
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Output struct {
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ElasticSearch ElasticSearchConf
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}
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GracePeriod time.Duration `json:",default=10s"`
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}
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)
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@ -1,82 +0,0 @@
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package es
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import (
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"context"
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"sync"
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"time"
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"zero/core/fx"
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"zero/core/logx"
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"zero/core/syncx"
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"github.com/olivere/elastic"
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)
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const sharedCallsKey = "ensureIndex"
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type (
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IndexFormat func(time.Time) string
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IndexFunc func() string
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Index struct {
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client *elastic.Client
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indexFormat IndexFormat
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index string
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lock sync.RWMutex
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sharedCalls syncx.SharedCalls
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}
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)
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func NewIndex(client *elastic.Client, indexFormat IndexFormat) *Index {
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return &Index{
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client: client,
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indexFormat: indexFormat,
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sharedCalls: syncx.NewSharedCalls(),
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}
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}
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func (idx *Index) GetIndex(t time.Time) string {
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index := idx.indexFormat(t)
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if err := idx.ensureIndex(index); err != nil {
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logx.Error(err)
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}
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return index
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}
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func (idx *Index) ensureIndex(index string) error {
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idx.lock.RLock()
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if index == idx.index {
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idx.lock.RUnlock()
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return nil
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}
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idx.lock.RUnlock()
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_, err := idx.sharedCalls.Do(sharedCallsKey, func() (i interface{}, err error) {
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idx.lock.Lock()
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defer idx.lock.Unlock()
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existsService := elastic.NewIndicesExistsService(idx.client)
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existsService.Index([]string{index})
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exist, err := existsService.Do(context.Background())
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if err != nil {
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return nil, err
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}
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if exist {
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idx.index = index
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return nil, nil
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}
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createService := idx.client.CreateIndex(index)
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if err := fx.DoWithRetries(func() error {
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// is it necessary to check the result?
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_, err := createService.Do(context.Background())
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return err
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}); err != nil {
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return nil, err
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}
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idx.index = index
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return nil, nil
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})
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return err
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}
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@ -1,65 +0,0 @@
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package es
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import (
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"context"
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"time"
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"zero/core/executors"
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"zero/core/logx"
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"zero/stash/config"
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"github.com/olivere/elastic"
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)
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const docType = "doc"
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type (
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Writer struct {
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client *elastic.Client
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indexer *Index
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inserter *executors.ChunkExecutor
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}
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valueWithTime struct {
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t time.Time
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val string
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}
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)
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func NewWriter(c config.ElasticSearchConf, indexer *Index) (*Writer, error) {
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client, err := elastic.NewClient(
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elastic.SetSniff(false),
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elastic.SetURL(c.Hosts...),
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elastic.SetGzip(c.Compress),
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)
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if err != nil {
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return nil, err
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}
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writer := Writer{
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client: client,
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indexer: indexer,
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}
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writer.inserter = executors.NewChunkExecutor(writer.execute, executors.WithChunkBytes(c.MaxChunkBytes))
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return &writer, nil
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}
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func (w *Writer) Write(t time.Time, val string) error {
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return w.inserter.Add(valueWithTime{
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t: t,
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val: val,
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}, len(val))
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}
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func (w *Writer) execute(vals []interface{}) {
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var bulk = w.client.Bulk()
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for _, val := range vals {
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pair := val.(valueWithTime)
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req := elastic.NewBulkIndexRequest().Index(w.indexer.GetIndex(pair.t)).Type(docType).Doc(pair.val)
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bulk.Add(req)
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}
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_, err := bulk.Do(context.Background())
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if err != nil {
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logx.Error(err)
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}
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}
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@ -1,75 +0,0 @@
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{
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"Input": {
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"Kafka": {
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"Name": "easystash",
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"Brokers": [
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"172.16.186.156:19092",
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"172.16.186.157:19092",
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"172.16.186.158:19092",
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"172.16.186.159:19092",
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"172.16.186.160:19092",
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"172.16.186.161:19092"
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],
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"Topic": "k8slog",
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"Group": "pro",
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"NumProducers": 16,
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"MetricsUrl": "http://localhost:2222/add"
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}
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},
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"Filters": [
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{
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"Action": "drop",
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"Conditions": [
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{
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"Key": "k8s_container_name",
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"Value": "-rpc",
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"Type": "contains"
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},
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{
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"Key": "level",
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"Value": "info",
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"Type": "match",
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"Op": "and"
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}
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]
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},
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{
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"Action": "remove_field",
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"Fields": [
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"message",
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"_source",
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"_type",
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"_score",
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"_id",
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"@version",
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"topic",
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"index",
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"beat",
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"docker_container",
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"offset",
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"prospector",
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"source",
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"stream"
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]
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}
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],
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"Output": {
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"ElasticSearch": {
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"Hosts": [
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"172.16.141.14:9200",
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"172.16.141.15:9200",
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"172.16.141.16:9200",
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"172.16.141.17:9200",
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"172.16.140.195:9200",
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"172.16.140.196:9200",
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"172.16.140.197:9200",
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"172.16.140.198:9200",
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"172.16.140.199:9200",
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"172.16.140.200:9200",
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"172.16.140.201:9200",
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"172.16.140.202:9200"
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],
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"DailyIndexPrefix": "k8s_pro-"
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}
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}
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}
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@ -1,104 +0,0 @@
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package filter
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import (
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"strings"
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"zero/stash/config"
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"github.com/globalsign/mgo/bson"
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)
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const (
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filterDrop = "drop"
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filterRemoveFields = "remove_field"
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opAnd = "and"
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opOr = "or"
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typeContains = "contains"
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typeMatch = "match"
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)
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type FilterFunc func(map[string]interface{}) map[string]interface{}
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func CreateFilters(c config.Config) []FilterFunc {
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var filters []FilterFunc
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for _, f := range c.Filters {
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switch f.Action {
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case filterDrop:
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filters = append(filters, DropFilter(f.Conditions))
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case filterRemoveFields:
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filters = append(filters, RemoveFieldFilter(f.Fields))
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}
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}
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return filters
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}
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func DropFilter(conds []config.Condition) FilterFunc {
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return func(m map[string]interface{}) map[string]interface{} {
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var qualify bool
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for _, cond := range conds {
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var qualifyOnce bool
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switch cond.Type {
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case typeMatch:
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qualifyOnce = cond.Value == m[cond.Key]
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case typeContains:
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if val, ok := m[cond.Key].(string); ok {
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qualifyOnce = strings.Contains(val, cond.Value)
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}
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}
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switch cond.Op {
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case opAnd:
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if !qualifyOnce {
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return m
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} else {
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qualify = true
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}
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case opOr:
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if qualifyOnce {
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qualify = true
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}
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}
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}
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if qualify {
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return nil
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} else {
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return m
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}
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}
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}
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func RemoveFieldFilter(fields []string) FilterFunc {
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return func(m map[string]interface{}) map[string]interface{} {
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for _, field := range fields {
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delete(m, field)
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}
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return m
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}
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}
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func AddUriFieldFilter(inField, outFirld string) FilterFunc {
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return func(m map[string]interface{}) map[string]interface{} {
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if val, ok := m[inField].(string); ok {
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var datas []string
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idx := strings.Index(val, "?")
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if idx < 0 {
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datas = strings.Split(val, "/")
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} else {
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datas = strings.Split(val[:idx], "/")
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}
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for i, data := range datas {
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if bson.IsObjectIdHex(data) {
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datas[i] = "*"
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}
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}
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m[outFirld] = strings.Join(datas, "/")
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}
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return m
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}
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}
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@ -1,64 +0,0 @@
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package handler
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import (
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"time"
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"zero/stash/es"
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"zero/stash/filter"
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jsoniter "github.com/json-iterator/go"
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)
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const (
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timestampFormat = "2006-01-02T15:04:05.000Z"
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timestampKey = "@timestamp"
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)
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type MessageHandler struct {
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writer *es.Writer
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filters []filter.FilterFunc
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}
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func NewHandler(writer *es.Writer) *MessageHandler {
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return &MessageHandler{
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writer: writer,
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}
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}
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func (mh *MessageHandler) AddFilters(filters ...filter.FilterFunc) {
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for _, f := range filters {
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mh.filters = append(mh.filters, f)
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}
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}
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func (mh *MessageHandler) Consume(_, val string) error {
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m := make(map[string]interface{})
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if err := jsoniter.Unmarshal([]byte(val), &m); err != nil {
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return err
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}
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for _, proc := range mh.filters {
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if m = proc(m); m == nil {
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return nil
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}
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}
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bs, err := jsoniter.Marshal(m)
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if err != nil {
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return err
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}
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return mh.writer.Write(mh.getTime(m), string(bs))
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}
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func (mh *MessageHandler) getTime(m map[string]interface{}) time.Time {
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if ti, ok := m[timestampKey]; ok {
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if ts, ok := ti.(string); ok {
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if t, err := time.Parse(timestampFormat, ts); err == nil {
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return t
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}
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}
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}
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return time.Now()
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}
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@ -1,57 +0,0 @@
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package main
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import (
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"flag"
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"time"
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"zero/core/conf"
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"zero/core/lang"
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"zero/core/proc"
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"zero/kq"
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"zero/stash/config"
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"zero/stash/es"
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"zero/stash/filter"
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"zero/stash/handler"
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"github.com/olivere/elastic"
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)
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const dateFormat = "2006.01.02"
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var configFile = flag.String("f", "etc/config.json", "Specify the config file")
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func main() {
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flag.Parse()
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var c config.Config
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conf.MustLoad(*configFile, &c)
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proc.SetTimeoutToForceQuit(c.GracePeriod)
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client, err := elastic.NewClient(
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elastic.SetSniff(false),
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elastic.SetURL(c.Output.ElasticSearch.Hosts...),
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)
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lang.Must(err)
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indexFormat := c.Output.ElasticSearch.DailyIndexPrefix + dateFormat
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var loc *time.Location
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if len(c.Output.ElasticSearch.TimeZone) > 0 {
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loc, err = time.LoadLocation(c.Output.ElasticSearch.TimeZone)
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lang.Must(err)
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} else {
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loc = time.Local
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}
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indexer := es.NewIndex(client, func(t time.Time) string {
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return t.In(loc).Format(indexFormat)
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})
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filters := filter.CreateFilters(c)
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writer, err := es.NewWriter(c.Output.ElasticSearch, indexer)
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lang.Must(err)
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handle := handler.NewHandler(writer)
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handle.AddFilters(filters...)
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handle.AddFilters(filter.AddUriFieldFilter("url", "uri"))
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q := kq.MustNewQueue(c.Input.Kafka, handle)
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q.Start()
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}
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