add header for writer post

Makefile

@@ -2,7 +2,7 @@
 
 NOW = $(shell date -u '+%Y%m%d%I%M%S')
 
-RELEASE_VERSION = 5.9.0
+RELEASE_VERSION = 5.9.1
 
 APP 			= n9e
 SERVER_BIN  	= $(APP)

src/server/config/config.go

@@ -15,7 +15,6 @@ import (
 	"github.com/didi/nightingale/v5/src/pkg/logx"
 	"github.com/didi/nightingale/v5/src/pkg/ormx"
 	"github.com/didi/nightingale/v5/src/server/reader"
-	"github.com/didi/nightingale/v5/src/server/writer"
 	"github.com/didi/nightingale/v5/src/storage"
 )
 
@@ -135,12 +134,35 @@ type Config struct {
 	NoData             NoData
 	Redis              storage.RedisConfig
 	DB                 ormx.DBConfig
-	WriterOpt          writer.GlobalOpt
-	Writers            []writer.Options
+	WriterOpt          WriterGlobalOpt
+	Writers            []WriterOptions
 	Reader             reader.Options
 	Ibex               Ibex
 }
 
+type WriterOptions struct {
+	Url           string
+	BasicAuthUser string
+	BasicAuthPass string
+
+	Timeout               int64
+	DialTimeout           int64
+	TLSHandshakeTimeout   int64
+	ExpectContinueTimeout int64
+	IdleConnTimeout       int64
+	KeepAlive             int64
+
+	MaxConnsPerHost     int
+	MaxIdleConns        int
+	MaxIdleConnsPerHost int
+}
+
+type WriterGlobalOpt struct {
+	QueueCount   int
+	QueueMaxSize int
+	QueuePopSize int
+}
+
 type HeartbeatConfig struct {
 	IP       string
 	Interval int64

src/server/writer/writer.go

@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"time"
 
+	"github.com/didi/nightingale/v5/src/server/config"
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/snappy"
 	"github.com/prometheus/client_golang/api"
@@ -16,31 +17,8 @@ import (
 	"github.com/toolkits/pkg/logger"
 )
 
-type Options struct {
-	Url           string
-	BasicAuthUser string
-	BasicAuthPass string
-
-	Timeout               int64
-	DialTimeout           int64
-	TLSHandshakeTimeout   int64
-	ExpectContinueTimeout int64
-	IdleConnTimeout       int64
-	KeepAlive             int64
-
-	MaxConnsPerHost     int
-	MaxIdleConns        int
-	MaxIdleConnsPerHost int
-}
-
-type GlobalOpt struct {
-	QueueCount   int
-	QueueMaxSize int
-	QueuePopSize int
-}
-
 type WriterType struct {
-	Opts   Options
+	Opts   config.WriterOptions
 	Client api.Client
 }
 
@@ -102,7 +80,7 @@ func (w WriterType) Post(req []byte, headers ...map[string]string) error {
 }
 
 type WritersType struct {
-	globalOpt GlobalOpt
+	globalOpt config.WriterGlobalOpt
 	backends  map[string]WriterType
 	chans     map[int]chan *prompb.TimeSeries
 }
@@ -128,7 +106,7 @@ func (ws *WritersType) PushSample(ident string, v interface{}) {
 
 // StartConsumer every ident channel has a consumer, start it
 // @Author: quzhihao
-func (ws *WritersType) StartConsumer(ch chan *prompb.TimeSeries) {
+func (ws *WritersType) StartConsumer(index int, ch chan *prompb.TimeSeries) {
 	var (
 		batch        = ws.globalOpt.QueuePopSize
 		series       = make([]*prompb.TimeSeries, 0, batch)
@@ -143,7 +121,7 @@ func (ws *WritersType) StartConsumer(ch chan *prompb.TimeSeries) {
 
 			batchCounter++
 			if batchCounter >= ws.globalOpt.QueuePopSize {
-				ws.post(series)
+				ws.post(index, series)
 
 				// reset
 				batchCounter = 0
@@ -151,7 +129,7 @@ func (ws *WritersType) StartConsumer(ch chan *prompb.TimeSeries) {
 			}
 		case <-time.After(time.Second):
 			if len(series) > 0 {
-				ws.post(series)
+				ws.post(index, series)
 
 				// reset
 				batchCounter = 0
@@ -163,9 +141,10 @@ func (ws *WritersType) StartConsumer(ch chan *prompb.TimeSeries) {
 
 // post post series to TSDB
 // @Author: quzhihao
-func (ws *WritersType) post(series []*prompb.TimeSeries) {
+func (ws *WritersType) post(index int, series []*prompb.TimeSeries) {
+	header := map[string]string{"hash": fmt.Sprintf("%s-%d", config.C.Heartbeat.Endpoint, index)}
 	for key := range ws.backends {
-		go ws.backends[key].Write(series)
+		go ws.backends[key].Write(series, header)
 	}
 }
 
@@ -177,14 +156,14 @@ func NewWriters() WritersType {
 
 var Writers = NewWriters()
 
-func Init(opts []Options, globalOpt GlobalOpt) error {
+func Init(opts []config.WriterOptions, globalOpt config.WriterGlobalOpt) error {
 	Writers.globalOpt = globalOpt
 	Writers.chans = make(map[int]chan *prompb.TimeSeries)
 
 	// init channels
 	for i := 0; i < globalOpt.QueueCount; i++ {
 		Writers.chans[i] = make(chan *prompb.TimeSeries, Writers.globalOpt.QueueMaxSize)
-		go Writers.StartConsumer(Writers.chans[i])
+		go Writers.StartConsumer(i, Writers.chans[i])
 	}
 
 	for i := 0; i < len(opts); i++ {