upgrade to go 1.21

.circleci/config.yml

@@ -1,9 +1,9 @@
 version: 2
 jobs:
   build:
-    working_directory: /go/src/github.com/Clever/amazon-kinesis-client-go
+    working_directory: ~/go/src/github.com/Clever/amazon-kinesis-client-go
     docker:
-    - image: circleci/golang:1.13-stretch
+    - image: cimg/go:1.21
     - image: circleci/mongo:3.2.20-jessie-ram
     environment:
       GOPRIVATE: github.com/Clever/*

go.mod

@@ -1,21 +1,28 @@
 module github.com/amazon-kinesis-client-go
 
-go 1.13
+go 1.21
 
 require (
 	github.com/Clever/amazon-kinesis-client-go v1.0.0
 	github.com/Clever/syslogparser v0.0.0-20170816194131-fb28ad3e4340
 	github.com/a8m/kinesis-producer v0.2.0
+	github.com/golang/protobuf v1.5.2
+	github.com/stretchr/testify v1.7.0
+	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e
+	gopkg.in/Clever/kayvee-go.v6 v6.24.1
+)
+
+require (
 	github.com/aws/aws-sdk-go v1.35.28 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/golang/protobuf v1.5.2
 	github.com/jeromer/syslogparser v0.0.0-20190429161531-5fbaaf06d9e7 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/jpillora/backoff v0.0.0-20170918002102-8eab2debe79d // indirect
-	github.com/stretchr/testify v1.7.0
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v1.2.1-0.20200424115421-065759f9c3d7 // indirect
-	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e
-	gopkg.in/Clever/kayvee-go.v6 v6.24.1
+	google.golang.org/protobuf v1.26.0 // indirect
 	gopkg.in/yaml.v2 v2.3.1-0.20200602174213-b893565b90ca // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
 	launchpad.net/gocheck v0.0.0-20140225173054-000000000087 // indirect

splitter/splitter.go

@@ -4,9 +4,9 @@
 // KCL applications would be most interested in `SplitMessageIfNecessary` which can handle zlibbed records as well as
 // CloudWatch bundles. KCL automatically unbundles KPL aggregates before passing the records to the consumer.
 // Non-KCL applications (such as Lambdas consuming KPL-produced aggregates) should either use
-// - KPLDeaggregate if the consumer purely wants to unbundle KPL aggregates, but will handle the raw records themselves.
-// - Deaggregate if the consumer wants to apply the same decompress and split logic as SplitMessageIfNecessary
-//   in addition to the KPL splitting.
+//   - KPLDeaggregate if the consumer purely wants to unbundle KPL aggregates, but will handle the raw records themselves.
+//   - Deaggregate if the consumer wants to apply the same decompress and split logic as SplitMessageIfNecessary
+//     in addition to the KPL splitting.
 package splitter
 
 import (