Upgrade golang version (1.19.6 -> 1.20.3)

Signed-off-by: Prajyot-Parab <[email protected]>

Author: Prajyot-Parab

.golangci.yml

@@ -1,6 +1,6 @@
 run:
   timeout: 10m
-  go: "1.19"
+  go: "1.20"
   build-tags:
     - tools
     - e2e

Makefile

@@ -23,7 +23,7 @@ SHELL:=/usr/bin/env bash
 #
 # Go.
 #
-GO_VERSION ?= 1.19.6
+GO_VERSION ?= 1.20.3
 GO_CONTAINER_IMAGE ?= docker.io/library/golang:$(GO_VERSION)
 
 # Use GOPROXY environment variable if set

Tiltfile

@@ -165,7 +165,7 @@ def load_provider_tiltfiles():
 
 tilt_helper_dockerfile_header = """
 # Tilt image
-FROM golang:1.19.6 as tilt-helper
+FROM golang:1.20.3 as tilt-helper
 # Support live reloading with Tilt
 RUN go install github.com/go-delve/delve/cmd/dlv@latest
 RUN wget --output-document /restart.sh --quiet https://raw.githubusercontent.com/tilt-dev/rerun-process-wrapper/master/restart.sh  && \

bootstrap/kubeadm/main.go

@@ -21,7 +21,6 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"math/rand"
 	"net/http"
 	_ "net/http/pprof"
 	"os"
@@ -145,8 +144,6 @@ func InitFlags(fs *pflag.FlagSet) {
 }
 
 func main() {
-	rand.Seed(time.Now().UnixNano())
-
 	InitFlags(pflag.CommandLine)
 	pflag.CommandLine.SetNormalizeFunc(cliflag.WordSepNormalizeFunc)
 	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)

controlplane/kubeadm/main.go

@@ -21,7 +21,6 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"math/rand"
 	"net/http"
 	_ "net/http/pprof"
 	"os"
@@ -153,8 +152,6 @@ func InitFlags(fs *pflag.FlagSet) {
 	feature.MutableGates.AddFlag(fs)
 }
 func main() {
-	rand.Seed(time.Now().UnixNano())
-
 	InitFlags(pflag.CommandLine)
 	pflag.CommandLine.SetNormalizeFunc(cliflag.WordSepNormalizeFunc)
 	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)

docs/book/src/developer/providers/migrations/v1.4-to-v1.5.md

@@ -5,7 +5,7 @@ maintainers of providers and consumers of our Go API.
 
 ## Minimum Go version
 
-- The Go version used by Cluster API is still Go 1.19.x
+- The Go version used by Cluster API is Go 1.20.x
 
 ## Dependencies
 

go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/cluster-api
 
-go 1.19
+go 1.20
 
 require (
 	github.com/MakeNowJust/heredoc v1.0.0

hack/ensure-go.sh

@@ -38,7 +38,7 @@ EOF
   local go_version
   IFS=" " read -ra go_version <<< "$(go version)"
   local minimum_go_version
-  minimum_go_version=go1.19
+  minimum_go_version=go1.20.3
   if [[ "${minimum_go_version}" != $(echo -e "${minimum_go_version}\n${go_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) && "${go_version[2]}" != "devel" ]]; then
     cat <<EOF
 Detected go version: ${go_version[*]}.

hack/tools/go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/cluster-api/hack/tools
 
-go 1.19
+go 1.20
 
 replace sigs.k8s.io/cluster-api => ../../
 

main.go

@@ -21,7 +21,6 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"math/rand"
 	"net/http"
 	_ "net/http/pprof"
 	"os"
@@ -208,8 +207,6 @@ func InitFlags(fs *pflag.FlagSet) {
 }
 
 func main() {
-	rand.Seed(time.Now().UnixNano())
-
 	InitFlags(pflag.CommandLine)
 	pflag.CommandLine.SetNormalizeFunc(cliflag.WordSepNormalizeFunc)
 	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)