refactor

k8s-install.sh

@@ -26,7 +26,9 @@ cgroup=`ls  /sys/fs/cgroup/cgroup.controllers`
 
 }
 
-install_k8s(){
+#install_k8s(){
+
+prerequisite(){
 touch /etc/modules-load.d/k8s.conf
 cat > /etc/modules-load.d/k8s.conf << EOF
 overlay
@@ -54,8 +56,9 @@ net.ipv4.tcp_max_syn_backlog = 2048
 net.ipv4.tcp_synack_retries = 2
 vm.swappiness = 0
 EOF
+}
 
-
+install_cri(){
 sysctl --system
 echo 'deb http://deb.debian.org/debian buster-backports main' > /etc/apt/sources.list.d/backports.list
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9
@@ -87,7 +90,9 @@ eval "systemctl enable crio"
 eval "systemctl start crio"
 
 echo "Complete install CRI-O"
+}
 
+install_k8s(){
 # install k8s 
 export KUBE_VERSION=v1.28
 # 執行下面指令
@@ -219,6 +224,8 @@ main(){
     if check_root; then         
         #update_system
         copy_host_file $1
+	prerequisite
+	install_cri
         install_k8s
         exit