Update k8s_infra_installer.sh
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jinho0928
@@ -110,95 +110,164 @@ function install_crio() {
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sudo exit 100
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fi
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}
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function install_docker() {
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echo "========================================================================="
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echo "========================== start install docker ========================="
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echo "========================================================================="
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#centos
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if [[ ${os_check} == "\"CentOS Linux\"" ]]; then
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# install docker
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sudo yum install -y docker
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sudo systemctl start docker
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sudo systemctl enable docker
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# check docker
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sudo systemctl status docker
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sudo rm -rf /etc/docker/daemon.json
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# edit docker config
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sudo cat << "EOF" | sudo tee -a /etc/docker/daemon.json
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{
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"insecure-registries": ["{imageRegistry}"]
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}
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EOF
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sudo rm -rf ${yaml_dir}/kubeadm-config.yaml
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# edit kubeadm config
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sudo cat << "EOF" | sudo tee -a ${yaml_dir}/kubeadm-config.yaml
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apiVersion: kubeadm.k8s.io/v1beta2
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kind: ClusterConfiguration
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kubernetesVersion: {k8sVersion}
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controlPlaneEndpoint: {apiServer}:6443
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imageRepository: {imageRegistry}/k8s.gcr.io
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networking:
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serviceSubnet: 10.96.0.0/16
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podSubnet: {podSubnet}
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apiServer:
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extraArgs:
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advertise-address: {apiServer}
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EOF
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sudo sed -i "s|{imageRegistry}|${imageRegistry}|g" /etc/docker/daemon.json
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sudo sed -i 's/registry.fedoraproject.org/{imageRegistry}/g' /etc/containers/registries.conf
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sudo sed -i "s|{imageRegistry}|${imageRegistry}|g" /etc/containers/registries.conf
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sudo systemctl restart docker
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elif [[ ${os_check} = "\"Ubuntu\"" ]]; then
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# install docker
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sudo apt-get -y install docker
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sudo systemctl enable docker.service
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sudo systemctl start docker.service
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# check docker
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sudo systemctl status docker
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# others
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else
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sudo echo "This OS is not supported."
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sudo exit 100
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fi
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}
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function install_kube() {
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echo "========================================================================="
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echo "========================================================================="
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echo "======================= start install kubernetes ======================"
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echo "========================================================================="
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#install kubernetes
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if [[ -z ${k8sVersion} ]]; then
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k8sVersion=1.17.6
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k8sVersion=1.17.6
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else
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k8sVersion=${k8sVersion}
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k8sVersion=${k8sVersion}
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fi
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if [[ -z ${apiServer} ]]; then
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apiServer=127.0.0.1
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apiServer=127.0.0.1
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else
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apiServer=${apiServer}
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apiServer=${apiServer}
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fi
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if [[ -z ${podSubnet} ]]; then
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podSubnet=10.244.0.0/16
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podSubnet=10.244.0.0/16
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else
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podSubnet=${podSubnet}
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podSubnet=${podSubnet}
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fi
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# centos
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if [[ ${os_check} == "\"CentOS Linux\"" ]]; then
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#install kubernetes components
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sudo yum install -y kubeadm-${k8sVersion}-0 kubelet-${k8sVersion}-0 kubectl-${k8sVersion}-0
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sudo systemctl enable --now kubelet
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#install kubernetes components
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sudo yum install -y kubeadm-${k8sVersion}-0 kubelet-${k8sVersion}-0 kubectl-${k8sVersion}-0
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sudo systemctl enable --now kubelet
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# ubuntu
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elif [[ ${os_check} = "\"Ubuntu\"" ]]; then
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#install kubernetes components
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sudo apt-get install -y kubeadm-${k8sVersion}-0 kubelet-${k8sVersion}-0 kubectl-${k8sVersion}-0
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sudo systemctl enable kubelet
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#install kubernetes components
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sudo apt-get install -y kubeadm-${k8sVersion}-0 kubelet-${k8sVersion}-0 kubectl-${k8sVersion}-0
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sudo systemctl enable kubelet
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# others
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else
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echo "This OS is not supported."
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exit 100
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fi
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sudo echo '1' > /proc/sys/net/ipv4/ip_forward
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sudo echo '1' > /proc/sys/net/bridge/bridge-nf-call-iptables
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sudo echo '1' > /proc/sys/net/ipv4/ip_forward
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sudo echo '1' > /proc/sys/net/bridge/bridge-nf-call-iptables
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#change kubeadm yaml
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sudo sed -i "s|{k8sVersion}|v${k8sVersion}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|{apiServer}|${apiServer}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|{podSubnet}|\"${podSubnet}\"|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|{imageRegistry}|${imageRegistry}|g" ${yaml_dir}/kubeadm-config.yaml
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#change kubeadm yaml
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sudo sed -i "s|{k8sVersion}|v${k8sVersion}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|{apiServer}|${apiServer}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|{podSubnet}|${podSubnet}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|{imageRegistry}|${imageRegistry}|g" ${yaml_dir}/kubeadm-config.yaml
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# kube init
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sudo kubeadm init --config=${yaml_dir}/kubeadm-config.yaml --upload-certs
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# kube init
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sudo kubeadm init --config=${yaml_dir}/kubeadm-config.yaml --upload-certs
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mkdir -p $HOME/.kube
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sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
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sudo chown $(id -u):$(id -g) $HOME/.kube/config
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mkdir -p $HOME/.kube
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sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
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sudo chown $(id -u):$(id -g) $HOME/.kube/config
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echo "========================================================================="
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echo "====================== complete install kubernetes ===================="
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echo "========================================================================="
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echo "========================================================================="
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echo "====================== complete install kubernetes ===================="
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echo "========================================================================="
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}
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function uninstall() {
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kubeadm reset -f
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sudo sed -i "s|v${k8sVersion}|{k8sVersion}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|${apiServer}|{apiServer}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|\"${podSubnet}\"|{podSubnet}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo sed -i "s|${imageRegistry}|{imageRegistry}|g" ${yaml_dir}/kubeadm-config.yaml
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sudo rm -rf $HOME/.kube
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kubeadm reset --cri-socket=/var/run/crio/crio.sock
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sudo yum remove -y kubeadm-1.17.6-0 kubelet-1.17.6-0 kubectl-1.17.6-0
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sudo yum remove -y crio or sudo yum remove -y docker-ce
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sudo yum remove -y keepalived
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echo "========================================================================="
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echo "===================== uninstall kubernetes success ===================="
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echo "========================================================================="
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}
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function main(){
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case "${1:-}" in
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up)
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set_env
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install_crio
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install_kube
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;;
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up_docker)
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set_env
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install_docker
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install_kube
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;;
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delete)
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uninstall
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;;
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@@ -206,6 +275,7 @@ function main(){
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set +x
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echo " service list:" >&2
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echo " $0 up" >&2
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echo " $0 up_docker" >&2
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echo " $0 delete" >&2
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;;
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esac
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