Merge pull request 'fixup panic' (#126) from rwfix into v3

Reviewed-on: #126

event.go

@@ -3,7 +3,7 @@ package kgo
 import (
 	"sync"
 
-	"go.unistack.org/micro/v4/broker"
+	"go.unistack.org/micro/v3/broker"
 )
 
 type event struct {

go.mod

@@ -1,14 +1,14 @@
-module go.unistack.org/micro-broker-kgo/v4
+module go.unistack.org/micro-broker-kgo/v3
 
-go 1.19
+go 1.17
 
 require (
-	github.com/twmb/franz-go v1.11.5
-	go.unistack.org/micro/v4 v4.0.1
+	github.com/twmb/franz-go v1.12.1
+	github.com/twmb/franz-go/pkg/kmsg v1.4.0
+	go.unistack.org/micro/v3 v3.10.23
 )
 
 require (
-	github.com/klauspost/compress v1.15.9 // indirect
-	github.com/pierrec/lz4/v4 v4.1.15 // indirect
-	github.com/twmb/franz-go/pkg/kmsg v1.3.0 // indirect
+	github.com/klauspost/compress v1.16.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.17 // indirect
 )

go.sum

@@ -1,13 +1,12 @@
-github.com/klauspost/compress v1.15.9 h1:wKRjX6JRtDdrE9qwa4b/Cip7ACOshUI4smpCQanqjSY=
 github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
-github.com/pierrec/lz4/v4 v4.1.15 h1:MO0/ucJhngq7299dKLwIMtgTfbkoSPF6AoMYDd8Q4q0=
+github.com/klauspost/compress v1.16.0 h1:iULayQNOReoYUe+1qtKOqw9CwJv3aNQu8ivo7lw1HU4=
+github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
 github.com/pierrec/lz4/v4 v4.1.15/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
-github.com/twmb/franz-go v1.11.5 h1:TTv5lVJd+87XkmP9dWN9Jgpf7IUUr7a7jee+byR8LBE=
-github.com/twmb/franz-go v1.11.5/go.mod h1:FvaHNlpT6woVYIl6LAuIeL7yHol1Fp6Gv2Dn21AvH78=
-github.com/twmb/franz-go/pkg/kmsg v1.3.0 h1:ouBETB7nTqRxiO5E8/pySoFZtVEW2VWw55z3/bsUzTw=
-github.com/twmb/franz-go/pkg/kmsg v1.3.0/go.mod h1:SxG/xJKhgPu25SamAq0rrucfp7lbzCpEXOC+vH/ELrY=
-go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
-go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=
+github.com/pierrec/lz4/v4 v4.1.17 h1:kV4Ip+/hUBC+8T6+2EgburRtkE9ef4nbY3f4dFhGjMc=
+github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
+github.com/twmb/franz-go v1.12.1 h1:8lWT8q0spL40Nfw6eonJ8OoPGLvF9arvadRRmcSiu9Y=
+github.com/twmb/franz-go/pkg/kmsg v1.4.0 h1:tbp9hxU6m8qZhQTlpGiaIJOm4BXix5lsuEZ7K00dF0s=
+go.unistack.org/micro/v3 v3.10.23 h1:4BE7NwwyJbCWOfzjzztamBxJSgRHHW1uQtMGNDLHG3s=
 golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -16,3 +15,5 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

kgo.go

@@ -1,5 +1,5 @@
 // Package kgo provides a kafka broker using kgo
-package kgo // import "go.unistack.org/micro-broker-kgo/v4"
+package kgo // import "go.unistack.org/micro-broker-kgo/v3"
 
 import (
 	"context"
@@ -12,10 +12,10 @@ import (
 
 	"github.com/twmb/franz-go/pkg/kgo"
 	"github.com/twmb/franz-go/pkg/kmsg"
-	"go.unistack.org/micro/v4/broker"
-	"go.unistack.org/micro/v4/metadata"
-	id "go.unistack.org/micro/v4/util/id"
-	mrand "go.unistack.org/micro/v4/util/rand"
+	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v3/metadata"
+	id "go.unistack.org/micro/v3/util/id"
+	mrand "go.unistack.org/micro/v3/util/rand"
 )
 
 var _ broker.Broker = (*Broker)(nil)
@@ -56,6 +56,7 @@ type Broker struct {
 	c         *kgo.Client
 	kopts     []kgo.Opt
 	connected bool
+	init      bool
 	sync.RWMutex
 	opts broker.Options
 	subs []*subscriber
@@ -216,21 +217,16 @@ func (k *Broker) publish(ctx context.Context, msgs []*broker.Message, opts ...br
 	var errs []string
 	var err error
 	var key []byte
-	var promise func(*kgo.Record, error)
 
 	if options.Context != nil {
 		if k, ok := options.Context.Value(publishKey{}).([]byte); ok && k != nil {
 			key = k
 		}
-		if p, ok := options.Context.Value(publishPromiseKey{}).(func(*kgo.Record, error)); ok && p != nil {
-			promise = p
-		}
 	}
 
 	for _, msg := range msgs {
 		rec := &kgo.Record{Context: ctx, Key: key}
 		rec.Topic, _ = msg.Header.Get(metadata.HeaderTopic)
-		k.opts.Meter.Counter(broker.PublishMessageInflight, "endpoint", rec.Topic).Inc()
 		if options.BodyOnly {
 			rec.Value = msg.Body
 		} else if k.opts.Codec.String() == "noop" {
@@ -247,36 +243,10 @@ func (k *Broker) publish(ctx context.Context, msgs []*broker.Message, opts ...br
 		records = append(records, rec)
 	}
 
-	if promise != nil {
-		ts := time.Now()
-		for _, rec := range records {
-			k.c.Produce(ctx, rec, func(r *kgo.Record, err error) {
-				te := time.Since(ts)
-				k.opts.Meter.Counter(broker.PublishMessageInflight, "endpoint", rec.Topic).Dec()
-				k.opts.Meter.Summary(broker.PublishMessageLatencyMicroseconds, "endpoint", r.Topic).Update(te.Seconds())
-				k.opts.Meter.Histogram(broker.PublishMessageDurationSeconds, "endpoint", r.Topic).Update(te.Seconds())
-				if err != nil {
-					k.opts.Meter.Counter(broker.PublishMessageTotal, "endpoint", r.Topic, "status", "failure").Inc()
-				} else {
-					k.opts.Meter.Counter(broker.PublishMessageTotal, "endpoint", r.Topic, "status", "success").Inc()
-				}
-				promise(r, err)
-			})
-		}
-		return nil
-	}
-	ts := time.Now()
 	results := k.c.ProduceSync(ctx, records...)
-	te := time.Since(ts)
 	for _, result := range results {
-		k.opts.Meter.Summary(broker.PublishMessageLatencyMicroseconds, "endpoint", result.Record.Topic).Update(te.Seconds())
-		k.opts.Meter.Histogram(broker.PublishMessageDurationSeconds, "endpoint", result.Record.Topic).Update(te.Seconds())
-		k.opts.Meter.Counter(broker.PublishMessageInflight, "endpoint", result.Record.Topic).Dec()
 		if result.Err != nil {
-			k.opts.Meter.Counter(broker.PublishMessageTotal, "endpoint", result.Record.Topic, "status", "failure").Inc()
 			errs = append(errs, result.Err.Error())
-		} else {
-			k.opts.Meter.Counter(broker.PublishMessageTotal, "endpoint", result.Record.Topic, "status", "success").Inc()
 		}
 	}
 
@@ -367,6 +337,7 @@ func (k *Broker) String() string {
 }
 
 func NewBroker(opts ...broker.Option) *Broker {
+	rand.Seed(time.Now().Unix())
 	options := broker.NewOptions(opts...)
 
 	kaddrs := options.Addrs

kgo_test.go

@@ -10,10 +10,10 @@ import (
 	"time"
 
 	kg "github.com/twmb/franz-go/pkg/kgo"
-	kgo "go.unistack.org/micro-broker-kgo/v4"
-	"go.unistack.org/micro/v4/broker"
-	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v4/metadata"
+	kgo "go.unistack.org/micro-broker-kgo/v3"
+	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v3/metadata"
 )
 
 var (

logger.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 
 	"github.com/twmb/franz-go/pkg/kgo"
-	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v3/logger"
 )
 
 type mlogger struct {

metrics.go

@@ -6,44 +6,9 @@ import (
 	"time"
 
 	"github.com/twmb/franz-go/pkg/kgo"
-	"go.unistack.org/micro/v4/meter"
+	"go.unistack.org/micro/v3/meter"
 )
 
-/*
-	func NewServerSubscriberWrapper(opts ...Option) server.SubscriberWrapper {
-		handler := &wrapper{
-			opts: NewOptions(opts...),
-		}
-		return handler.SubscriberFunc
-	}
-
-	func (w *wrapper) SubscriberFunc(fn server.SubscriberFunc) server.SubscriberFunc {
-		return func(ctx context.Context, msg server.Message) error {
-			endpoint := msg.Topic()
-
-			labels := make([]string, 0, 4)
-			labels = append(labels, labelEndpoint, endpoint)
-
-			w.opts.Meter.Counter(SubscribeMessageInflight, labels...).Inc()
-			ts := time.Now()
-			err := fn(ctx, msg)
-			te := time.Since(ts)
-			w.opts.Meter.Counter(SubscribeMessageInflight, labels...).Dec()
-
-			w.opts.Meter.Summary(SubscribeMessageLatencyMicroseconds, labels...).Update(te.Seconds())
-			w.opts.Meter.Histogram(SubscribeMessageDurationSeconds, labels...).Update(te.Seconds())
-
-			if err == nil {
-				labels = append(labels, labelStatus, labelSuccess)
-			} else {
-				labels = append(labels, labelStatus, labelFailure)
-			}
-			w.opts.Meter.Counter(SubscribeMessageTotal, labels...).Inc()
-
-			return err
-		}
-	}
-*/
 type metrics struct {
 	meter meter.Meter
 }

options.go

@@ -5,8 +5,8 @@ import (
 	"time"
 
 	"github.com/twmb/franz-go/pkg/kgo"
-	"go.unistack.org/micro/v4/broker"
-	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v3/client"
 )
 
 // DefaultCommitInterval specifies how fast send commit offsets to kafka
@@ -78,15 +78,3 @@ type subscribeMaxInflightKey struct{}
 func SubscribeMaxInFlight(n int) broker.SubscribeOption {
 	return broker.SetSubscribeOption(subscribeMaxInflightKey{}, n)
 }
-
-type publishPromiseKey struct{}
-
-// PublishPromise set the kafka promise func for Produce
-func PublishPromise(fn func(*kgo.Record, error)) broker.PublishOption {
-	return broker.SetPublishOption(publishPromiseKey{}, fn)
-}
-
-// ClientPublishKey set the kafka message key (client option)
-func ClientPublishPromise(fn func(*kgo.Record, error)) client.PublishOption {
-	return client.SetPublishOption(publishPromiseKey{}, fn)
-}

subscriber.go

@@ -3,12 +3,11 @@ package kgo
 import (
 	"context"
 	"sync"
-	"time"
 
 	"github.com/twmb/franz-go/pkg/kgo"
-	"go.unistack.org/micro/v4/broker"
-	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v3/metadata"
 )
 
 type tp struct {
@@ -53,10 +52,11 @@ func (s *subscriber) Unsubscribe(ctx context.Context) error {
 		return nil
 	}
 	select {
-	case <-ctx.Done():
-		return ctx.Err()
+	// case <-ctx.Done():
+	//	return ctx.Err()
 	default:
 		s.c.PauseFetchTopics(s.topic)
+		s.c.CloseAllowingRebalance()
 		kc := make(map[string][]int32)
 		for ctp := range s.consumers {
 			kc[ctp.t] = append(kc[ctp.t], ctp.p)
@@ -81,7 +81,6 @@ func (s *subscriber) poll(ctx context.Context) {
 			s.c.CloseAllowingRebalance()
 			return
 		case <-s.done:
-			s.c.CloseAllowingRebalance()
 			return
 		default:
 			fetches := s.c.PollRecords(ctx, maxInflight)
@@ -169,8 +168,6 @@ func (pc *consumer) consume() {
 			return
 		case p := <-pc.recs:
 			for _, record := range p.Records {
-				ts := time.Now()
-				pc.kopts.Meter.Counter(broker.SubscribeMessageInflight, "endpoint", record.Topic).Inc()
 				p := eventPool.Get().(*event)
 				p.msg.Header = nil
 				p.msg.Body = nil
@@ -187,45 +184,30 @@ func (pc *consumer) consume() {
 					p.msg.Body = record.Value
 				} else {
 					if err := pc.kopts.Codec.Unmarshal(record.Value, p.msg); err != nil {
-						pc.kopts.Meter.Counter(broker.SubscribeMessageTotal, "endpoint", record.Topic, "status", "failure").Inc()
 						p.err = err
 						p.msg.Body = record.Value
 						if eh != nil {
 							_ = eh(p)
-							pc.kopts.Meter.Counter(broker.SubscribeMessageInflight, "endpoint", record.Topic).Dec()
 							if p.ack {
 								pc.c.MarkCommitRecords(record)
 							} else {
 								eventPool.Put(p)
-								pc.kopts.Logger.Fatalf(pc.kopts.Context, "[kgo] ErrLostMessage wtf?")
+								pc.kopts.Logger.Infof(pc.kopts.Context, "[kgo] ErrLostMessage wtf?")
 								return
 							}
 							eventPool.Put(p)
-							te := time.Since(ts)
-							pc.kopts.Meter.Summary(broker.SubscribeMessageLatencyMicroseconds, "endpoint", record.Topic).Update(te.Seconds())
-							pc.kopts.Meter.Histogram(broker.SubscribeMessageDurationSeconds, "endpoint", record.Topic).Update(te.Seconds())
 							continue
 						} else {
 							if pc.kopts.Logger.V(logger.ErrorLevel) {
 								pc.kopts.Logger.Errorf(pc.kopts.Context, "[kgo]: failed to unmarshal: %v", err)
 							}
 						}
-						te := time.Since(ts)
-						pc.kopts.Meter.Counter(broker.SubscribeMessageInflight, "endpoint", record.Topic).Dec()
-						pc.kopts.Meter.Summary(broker.SubscribeMessageLatencyMicroseconds, "endpoint", record.Topic).Update(te.Seconds())
-						pc.kopts.Meter.Histogram(broker.SubscribeMessageDurationSeconds, "endpoint", record.Topic).Update(te.Seconds())
 						eventPool.Put(p)
-						pc.kopts.Logger.Fatalf(pc.kopts.Context, "[kgo] Unmarshal err not handled wtf?")
+						pc.kopts.Logger.Infof(pc.kopts.Context, "[kgo] Unmarshal err not handled wtf?")
 						return
 					}
 				}
 				err := pc.handler(p)
-				if err == nil {
-					pc.kopts.Meter.Counter(broker.SubscribeMessageTotal, "endpoint", record.Topic, "status", "success").Inc()
-				} else {
-					pc.kopts.Meter.Counter(broker.SubscribeMessageTotal, "endpoint", record.Topic, "status", "failure").Inc()
-				}
-				pc.kopts.Meter.Counter(broker.SubscribeMessageInflight, "endpoint", record.Topic).Dec()
 				if err == nil && pc.opts.AutoAck {
 					p.ack = true
 				} else if err != nil {
@@ -238,9 +220,6 @@ func (pc *consumer) consume() {
 						}
 					}
 				}
-				te := time.Since(ts)
-				pc.kopts.Meter.Summary(broker.SubscribeMessageLatencyMicroseconds, "endpoint", record.Topic).Update(te.Seconds())
-				pc.kopts.Meter.Histogram(broker.SubscribeMessageDurationSeconds, "endpoint", record.Topic).Update(te.Seconds())
 				if p.ack {
 					eventPool.Put(p)
 					pc.c.MarkCommitRecords(record)