add go version check

Signed-off-by: lihanbo <lihanbo2@huawei.com>

hack/local-up-karmada.sh

@@ -37,8 +37,10 @@ sed -i'' -e "s#k8s.gcr.io#registry.aliyuncs.com/google_containers#g" artifacts/d
 sed -i'' -e "s#k8s.gcr.io#registry.aliyuncs.com/google_containers#g" artifacts/deploy/kube-controller-manager.yaml
 fi
 
-# Make sure go exists
+# Make sure go exists and the go version is a viable version.
 util::cmd_must_exist "go"
+util::verify_go_version
+
 # install kind and kubectl
 kind_version=v0.11.1
 if util::cmd_exist kind; then

hack/update-vendor.sh

@@ -4,7 +4,10 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-# TODO(RainbowMango): checks if the Go version is greater than the minimum go version that we requires.
+REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
+source "${REPO_ROOT}"/hack/util.sh
+
+util::verify_go_version
 
 echo "vendor: running 'go mod vendor'"
 go mod vendor

hack/util.sh

@@ -15,6 +15,8 @@ KARMADA_SCHEDULER_LABEL="karmada-scheduler"
 KARMADA_WEBHOOK_LABEL="karmada-webhook"
 AGENT_POD_LABEL="karmada-agent"
 
+MIN_Go_VERSION=go1.16.0
+
 # This function installs a Go tools by 'go get' command.
 # Parameters:
 #  - $1: package name, such as "sigs.k8s.io/controller-tools/cmd/controller-gen"
@@ -53,6 +55,17 @@ function util::cmd_must_exist {
     fi
 }
 
+function util::verify_go_version {
+    local go_version
+    IFS=" " read -ra go_version <<< "$(GOFLAGS='' go version)"
+    if [[ "${MIN_Go_VERSION}" != $(echo -e "${MIN_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
+      echo "Detected go version: ${go_version[*]}."
+      echo "Karmada requires ${MIN_Go_VERSION} or greater."
+      echo "Please install ${MIN_Go_VERSION} or later."
+      exit 1
+    fi
+}
+
 # util::cmd_must_exist_cfssl downloads cfssl/cfssljson if they do not already exist in PATH
 function util::cmd_must_exist_cfssl {
     CFSSL_VERSION=${1}