Update go version to 1.21 and testcontainers-go dependency to v0.29.1 (…

…#1136)

* Run go mod tidy everywhere and add doc changes

* updated go version to 1.21 and testcontainers-go dependency to v0.27.0

* updated go version to 1.21 and testcontainers-go dependency to v0.27.0

* Run go mod tidy within examples

* Update go version in CI

* Update testcontainers-go version to 0.29.1

* Update CHANGELOG.md

* Update docker example go.mod and go.sum

---------

Co-authored-by: Milind L <miluthra@confluent.io>
Co-authored-by: Milind L <milindl@users.noreply.github.com>

.semaphore/semaphore.yml

@@ -11,15 +11,15 @@ global_job_config:
     commands:
       - checkout
 blocks:
-  - name: "Go 1.19 OSX bundled librdkafka"
+  - name: "go 1.21 OSX bundled librdkafka"
     dependencies: [ ]
     task:
       agent:
         machine:
           type: s1-prod-macos-13-5-amd64
       prologue:
         commands:
-          - sem-version go 1.19
+          - sem-version go 1.21
           - export GOPATH=$(go env GOPATH)
           - export PATH="$PATH:$GOPATH/bin"
           - export PKG_CONFIG_PATH="/usr/local/opt/openssl/lib/pkgconfig:$HOME/confluent-kafka-go/tmp-build/lib/pkgconfig"
@@ -38,15 +38,15 @@ blocks:
             - name: EXPECT_LINK_INFO
               value: dynamic
           commands_file: semaphore_commands.sh
-  - name: "Go 1.19 linux bundled librdkafka"
+  - name: "go 1.21 linux bundled librdkafka"
     dependencies: [ ]
     task:
       agent:
         machine:
           type: s1-prod-ubuntu20-04-amd64-2
       prologue:
         commands:
-          - sem-version go 1.19
+          - sem-version go 1.21
           - export GOPATH=$(go env GOPATH)
           - export PATH="$PATH:$GOPATH/bin"
           - export PKG_CONFIG_PATH="$HOME/confluent-kafka-go/tmp-build/lib/pkgconfig"
@@ -69,15 +69,15 @@ blocks:
             - name: EXPECT_LINK_INFO
               value: dynamic
           commands_file: semaphore_integration_commands.sh
-  - name: "Go 1.19 linux arm64 bundled librdkafka"
+  - name: "go 1.21 linux arm64 bundled librdkafka"
     dependencies: [ ]
     task:
       agent:
         machine:
           type: s1-prod-ubuntu20-04-arm64-1
       prologue:
         commands:
-          - sem-version go 1.19
+          - sem-version go 1.21
           - export GOPATH=$(go env GOPATH)
           - export PATH="$PATH:$GOPATH/bin"
           - export PKG_CONFIG_PATH="$HOME/confluent-kafka-go/tmp-build/lib/pkgconfig"
@@ -100,7 +100,7 @@ blocks:
             - name: EXPECT_LINK_INFO
               value: dynamic
           commands_file: semaphore_commands.sh
-  - name: "Go 1.19 Windows bundled librdkafka"
+  - name: "go 1.21 Windows bundled librdkafka"
     dependencies: [ ]
     task:
       agent:

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Confluent's Golang client for Apache Kafka
 
+# v2.3.1
+
+This is a maintenance release.
+
+## Fixes
+
+ * The version of Go in go.mod has been changed from 1.17 to 1.21.
+   This is necessary to update test dependencies with security vulnerabilities.
+   Code using the library will still work with Go 1.17.
+   (#1136, @rzeijde).
+
 
 # v2.3.0
 

README.md

@@ -133,7 +133,7 @@ for use with [Confluent Cloud](https://www.confluent.io/confluent-cloud/).
 Getting Started
 ===============
 
-Supports Go 1.17+ and librdkafka 2.2.0+.
+Supports Go 1.17+ and librdkafka 2.3.0+.
 
 Using Go Modules
 ----------------

examples/docker_aws_lambda_example/go.mod

@@ -2,7 +2,7 @@ module docker_example
 
 require (
 	github.com/aws/aws-lambda-go v1.27.0
-	github.com/confluentinc/confluent-kafka-go v1.9.0 // indirect
+	github.com/confluentinc/confluent-kafka-go/v2 v2.3.0
 )
 
 go 1.14

examples/go.mod

@@ -1,6 +1,8 @@
 module github.com/confluentinc/confluent-kafka-go/examples/v2
 
-go 1.17
+go 1.21
+
+toolchain go1.21.0
 
 replace github.com/confluentinc/confluent-kafka-go/v2 => ../
 
@@ -9,23 +11,24 @@ require (
 	github.com/alecthomas/kingpin v2.2.6+incompatible
 	github.com/confluentinc/confluent-kafka-go/v2 v2.3.0
 	github.com/gdamore/tcell v1.4.0
-	google.golang.org/protobuf v1.30.0
+	google.golang.org/protobuf v1.33.0
 )
 
 require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
 	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
 	github.com/gdamore/encoding v1.0.0 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/uuid v1.3.0 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/heetch/avro v0.4.4 // indirect
 	github.com/iancoleman/orderedmap v0.0.0-20190318233801-ac98e3ecb4b0 // indirect
 	github.com/invopop/jsonschema v0.7.0 // indirect
 	github.com/jhump/protoreflect v1.14.1 // indirect
 	github.com/lucasb-eyer/go-colorful v1.0.3 // indirect
-	github.com/mattn/go-runewidth v0.0.7 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/santhosh-tekuri/jsonschema/v5 v5.2.0 // indirect
-	golang.org/x/sys v0.6.0 // indirect
-	golang.org/x/text v0.8.0 // indirect
-	google.golang.org/genproto v0.0.0-20230331144136-dcfb400f0633 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	google.golang.org/genproto v0.0.0-20240325203815-454cdb8f5daa // indirect
 )