fix(examples): housekeeping of code and deps

- standardise `-version` flag for controlling Version field in
  sarama.Config and default to sarama.DefaultVersion
- bump to mod directive of go1.18 to match parent module
- bump otel deps to latest and update interceptor code to match API
  changes

Signed-off-by: Dominic Evans <dominic.evans@uk.ibm.com>

examples/bug/go.mod

@@ -0,0 +1,28 @@
+module github.com/IBM/sarama/examples/bug
+
+go 1.21.0
+
+require github.com/IBM/sarama v1.41.0
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/eapache/go-resiliency v1.4.0 // indirect
+	github.com/eapache/go-xerial-snappy v0.0.0-20230731223053-c322873962e3 // indirect
+	github.com/eapache/queue v1.1.0 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-uuid v1.0.3 // indirect
+	github.com/jcmturner/aescts/v2 v2.0.0 // indirect
+	github.com/jcmturner/dnsutils/v2 v2.0.0 // indirect
+	github.com/jcmturner/gofork v1.7.6 // indirect
+	github.com/jcmturner/gokrb5/v8 v8.4.4 // indirect
+	github.com/jcmturner/rpc/v2 v2.0.3 // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/pierrec/lz4/v4 v4.1.18 // indirect
+	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
+	golang.org/x/crypto v0.15.0 // indirect
+	golang.org/x/net v0.18.0 // indirect
+)
+
+replace github.com/IBM/sarama => ../../

examples/bug/go.sum

@@ -0,0 +1,92 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/eapache/go-resiliency v1.4.0 h1:3OK9bWpPk5q6pbFAaYSEwD9CLUSHG8bnZuqX2yMt3B0=
+github.com/eapache/go-resiliency v1.4.0/go.mod h1:5yPzW0MIvSe0JDsv0v+DvcjEv2FyD6iZYSs1ZI+iQho=
+github.com/eapache/go-xerial-snappy v0.0.0-20230731223053-c322873962e3 h1:Oy0F4ALJ04o5Qqpdz8XLIpNA3WM/iSIXqxtqo7UGVws=
+github.com/eapache/go-xerial-snappy v0.0.0-20230731223053-c322873962e3/go.mod h1:YvSRo5mw33fLEx1+DlK6L2VV43tJt5Eyel9n9XBcR+0=
+github.com/eapache/queue v1.1.0 h1:YOEu7KNc61ntiQlcEeUIoDTJ2o8mQznoNvUhiigpIqc=
+github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
+github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
+github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
+github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
+github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
+github.com/gorilla/sessions v1.2.1/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=
+github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
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+github.com/hashicorp/go-uuid v1.0.3 h1:2gKiV6YVmrJ1i2CKKa9obLvRieoRGviZFL26PcT/Co8=
+github.com/hashicorp/go-uuid v1.0.3/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/jcmturner/aescts/v2 v2.0.0 h1:9YKLH6ey7H4eDBXW8khjYslgyqG2xZikXP0EQFKrle8=
+github.com/jcmturner/aescts/v2 v2.0.0/go.mod h1:AiaICIRyfYg35RUkr8yESTqvSy7csK90qZ5xfvvsoNs=
+github.com/jcmturner/dnsutils/v2 v2.0.0 h1:lltnkeZGL0wILNvrNiVCR6Ro5PGU/SeBvVO/8c/iPbo=
+github.com/jcmturner/dnsutils/v2 v2.0.0/go.mod h1:b0TnjGOvI/n42bZa+hmXL+kFJZsFT7G4t3HTlQ184QM=
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+github.com/jcmturner/rpc/v2 v2.0.3/go.mod h1:VUJYCIDm3PVOEHw8sgt091/20OJjskO/YJki3ELg/Hc=
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+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 h1:N/ElC8H3+5XpJzTSTfLsJV/mx9Q9g7kxmchpfZyxgzM=
+github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
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+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

examples/bug/main.go

@@ -0,0 +1,96 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+
+	"github.com/IBM/sarama"
+)
+
+func main() {
+	addrs := flag.String(
+		"addrs",
+		"localhost:9092,localhost:9093,localhost:9094",
+		"Comma separated list of Kafka brokers address",
+	)
+	topic := flag.String(
+		"topic",
+		"sarama-outoforder-bug",
+		"Topic used by the producer",
+	)
+	flag.Parse()
+
+	// Make sure that we get the Sarama logs
+	sarama.Logger = log.New(os.Stderr, "[Sarama] ", log.LstdFlags)
+
+	lAddrs := strings.Split(*addrs, ",")
+
+	config := sarama.NewConfig()
+	config.Version = sarama.V2_7_0_0
+	// Read success and errors
+	config.Producer.Return.Successes = true
+	config.Producer.Return.Errors = true
+	// Wait for Ack from all
+	config.Producer.RequiredAcks = sarama.WaitForAll
+	// Reduce internal buffer size to simplify the reproduction
+	config.ChannelBufferSize = 10
+	// Allow only one open requests at a time
+	config.Net.MaxOpenRequests = 1
+	// Retry almost indefinitely
+	config.Producer.Retry.Max = 1_000_000_000
+	// Reduce the max size, to flush more often and reproduce easily
+	config.Producer.MaxMessageBytes = 100
+	// We are only gonna produce to one partition to simplify the reproduction
+	config.Producer.Partitioner = sarama.NewManualPartitioner
+
+	ap, err := sarama.NewAsyncProducer(lAddrs, config)
+	if err != nil {
+		log.Fatalf("couldn't create asyncproducer: %v", err)
+	}
+
+	// Consume the Success and Errors, check for messages produced OutOfOrder
+	go func() {
+		lastSeqnoSeen := -1
+		lastOffsetSeen := int64(-1)
+		for {
+			select {
+			case msg := <-ap.Successes():
+				seqno := msg.Metadata.(int)
+				log.Printf("[Producer-Ack] produced successfully msg{seqno=%v}", seqno)
+
+				if seqno < lastSeqnoSeen {
+					log.Fatalf(
+						"OutOfOrder: produced msg{seqno=%v,offset=%v} after msg{seqno=%v,offset=%v}",
+						seqno, msg.Offset, lastSeqnoSeen, lastOffsetSeen,
+					)
+				}
+
+				lastSeqnoSeen = seqno
+				lastOffsetSeen = msg.Offset
+
+			case err := <-ap.Errors():
+				seqno := err.Msg.Metadata.(int)
+				log.Fatalf("[Producer-Ack] failed to produce msg{seqno=%v}: %v", seqno, err)
+			}
+		}
+	}()
+
+	var seqno int
+	for {
+		seqnoStr := strconv.Itoa(seqno)
+		msg := &sarama.ProducerMessage{
+			Topic:     *topic,
+			Partition: 0,
+			Key:       sarama.StringEncoder("key" + seqnoStr),
+			Value:     sarama.StringEncoder("value" + seqnoStr),
+			Metadata:  seqno,
+		}
+
+		ap.Input() <- msg
+		log.Printf("[Producer] produced msg{seqno=%v}", seqno)
+		seqno++
+	}
+}

examples/consumergroup/go.mod

@@ -1,7 +1,28 @@
 module github.com/IBM/sarama/examples/consumer
 
-go 1.16
+go 1.18
 
-require github.com/IBM/sarama v1.40.1
+require github.com/IBM/sarama v1.42.1
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/eapache/go-resiliency v1.4.0 // indirect
+	github.com/eapache/go-xerial-snappy v0.0.0-20230731223053-c322873962e3 // indirect
+	github.com/eapache/queue v1.1.0 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-uuid v1.0.3 // indirect
+	github.com/jcmturner/aescts/v2 v2.0.0 // indirect
+	github.com/jcmturner/dnsutils/v2 v2.0.0 // indirect
+	github.com/jcmturner/gofork v1.7.6 // indirect
+	github.com/jcmturner/gokrb5/v8 v8.4.4 // indirect
+	github.com/jcmturner/rpc/v2 v2.0.3 // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/pierrec/lz4/v4 v4.1.18 // indirect
+	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
+	golang.org/x/crypto v0.15.0 // indirect
+	golang.org/x/net v0.18.0 // indirect
+)
 
 replace github.com/IBM/sarama => ../../