[fix]rename directory

This commit is contained in:
minjae_song
2020-11-23 15:40:53 +09:00
parent c49c48be08
commit 9ed0bb0947
4 changed files with 0 additions and 301 deletions

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# k8s-master installer 사용법
## 구성 요소 및 버전
## Prerequisites
* 해당 installer는 폐쇄망 기준 가이드입니다.
* OS 설치 및 package repo를 아래 가이드에 맞춰 설치합니다.
* https://github.com/tmax-cloud/hypercloud-install-guide/tree/master/Package#os-%EC%84%A4%EC%B9%98--package-repo-%EA%B5%AC%EC%B6%95-%EA%B0%80%EC%9D%B4%EB%93%9C
* image registry를 아래 가이드에 맞춰 구축합니다.
* https://github.com/tmax-cloud/hypercloud-install-guide/tree/master/Image_Registry#image-registry-%EC%84%A4%EC%B9%98-%EA%B0%80%EC%9D%B4%EB%93%9C
* image registry에 이미지를 push 합니다.
* https://github.com/tmax-cloud/hypercloud-install-guide/tree/master/K8S_Master#%ED%8F%90%EC%87%84%EB%A7%9D-%EC%84%A4%EC%B9%98-%EA%B0%80%EC%9D%B4%EB%93%9C
## 폐쇄망 설치 가이드
## Step0. k8s.config 설정
* 목적 : `k8s 설치 진행을 위한 k8s config 설정`
* 순서 :
* 환경에 맞는 config 내용을 작성합니다.
* imageRegistry={IP}:{PORT}
* ex : imageRegistry=172.22.5.2:5000
* crioVersion={crio version}
* ex : crioVersion=1.17
* k8sVersion={kubernetes version}
* ex : k8sVersion=1.17.6
* apiServer={kubernetes API server ip}
* ex : apiServer=172.21.7.2
* podSubnet={POD_IP_POOL}/{CIDR}
* ex : podSubnet=10.244.0.0/16
## Step1. installer 실행
* 목적 : `k8s 설치 진행을 위한 shell script 실행`
* 순서 :
```bash
sudo ./k8s_infra_installer.sh up
```
* 비고 :
* k8s.config, k8s_infra_installer.sh파일과 yaml 디렉토리는 같은 디렉토리 내에에 있어야 합니다.

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#------------------------------------------------------------------
# ex : imageRegistry={IP}:{PORT}
# ex : crioVersion={crio version}
# ex : k8sVersion={kubernetes version}
# ex : apiServer={kubernetes API server ip}
# ex : podSubnet={POD_IP_POOL}/{CIDR}
#------------------------------------------------------------------
#------------------------------------------------------------------
# ex : imageRegistry=172.22.5.2:5000
# ex : crioVersion=1.17
# ex : k8sVersion=1.17.6
# ex : apiServer=172.21.7.2
# ex : podSubnet=10.244.0.0/16
#------------------------------------------------------------------
#image registry
imageRegistry=172.22.5.2:5000
#crio
crioVersion=1.17
#kubernetes
k8sVersion=1.17.6
apiServer=172.22.5.2
podSubnet=10.244.0.0/16

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#!/bin/bash
install_dir=$(dirname "$0")
. ${install_dir}/k8s.config
yaml_dir="${install_dir}/yaml"
os_check=$(awk -F= '/^NAME/{print $2}' /etc/os-release)
function set_env() {
echo "========================================================================="
echo "======================== set env for kubernetes ========================"
echo "========================================================================="
# centos
if [[ ${os_check} == "\"CentOS Linux\"" ]]; then
# disable firewall
sudo systemctl disable firewalld
sudo systemctl stop firewalld
#swapoff
sudo swapoff -a
sudo sed s/\\/dev\\/mapper\\/centos-swap/#\ \\/dev\\/mapper\\/centos-swap/g -i /etc/fstab
#selinux mode
sudo setenforce 0
sudo sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
#crio-kube set
sudo modprobe overlay
sudo modprobe br_netfilter
sudo cat << "EOF" | sudo tee -a /etc/sysctl.d/99-kubernetes-cri.conf
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1
net.bridge.bridge-nf-call-ip6tables = 1
EOF
sudo sysctl --system
# ubuntu
elif [[ ${os_check} = "\"Ubuntu\"" ]]; then
#swapoff
sudo swapoff -a
sudo sed s/\\/swap.img/#\ \\/swap.img/g -i /etc/fstab
# others
else
sudo echo "This OS is not supported."
sudo exit 100
fi
}
function install_crio() {
echo "========================================================================="
echo "========================== start install crio =========================="
echo "========================================================================="
#centos
if [[ ${os_check} == "\"CentOS Linux\"" ]]; then
# install crio
sudo yum install -y cri-o
sudo systemctl enable crio
sudo systemctl start crio
# check crio
sudo systemctl status crio
rpm -qi cri-o
# remove cni0
sudo rm -rf /etc/cni/net.d/100-crio-bridge.conf
sudo rm -rf /etc/cni/net.d/200-loopback.conf
# edit crio config
sudo sed -i 's/\"\/usr\/libexec\/cni\"/\"\/usr\/libexec\/cni\"\,\"\/opt\/cni\/bin\"/g' /etc/crio/crio.conf
sudo sed -i 's/\#insecure\_registries = \"\[\]\"/\insecure\_registries = \[\"{imageRegistry}\"\]/g' /etc/crio/crio.conf
sudo sed -i 's/\#registries = \[/registries = \[\"{imageRegistry}\"\]/g' /etc/crio/crio.conf
sed -i 's/k8s.gcr.io/{imageRegistry}\/k8s.gcr.io/g' /etc/crio/crio.conf
sed -i 's/registry.fedoraproject.org/{imageRegistry}/g' /etc/containers/registries.conf
sudo sed -i "s|{imageRegistry}|${imageRegistry}|g" /etc/crio/crio.conf
sudo sed -i "s|{imageRegistry}|${imageRegistry}|g" /etc/containers/registries.conf
sudo systemctl restart crio
elif [[ ${os_check} = "\"Ubuntu\"" ]]; then
# install crio
sudo apt-get -y install cri-o-${crioVersion}
sudo systemctl enable crio.service
sudo systemctl start crio.service
# check crio
sudo systemctl status crio
# remove cni0
sudo rm -rf /etc/cni/net.d/100-crio-bridge.conf
sudo rm -rf /etc/cni/net.d/200-loopback.conf
# edit crio config
sudo systemctl restart crio
# others
else
sudo echo "This OS is not supported."
sudo exit 100
fi
}
function install_kube() {
echo "========================================================================="
echo "======================= start install kubernetes ======================"
echo "========================================================================="
#install kubernetes
if [[ -z ${k8sVersion} ]]; then
k8sVersion=1.17.6
else
k8sVersion=${k8sVersion}
fi
if [[ -z ${apiServer} ]]; then
apiServer=127.0.0.1
else
apiServer=${apiServer}
fi
if [[ -z ${podSubnet} ]]; then
podSubnet=10.244.0.0/16
else
podSubnet=${podSubnet}
fi
# centos
if [[ ${os_check} == "\"CentOS Linux\"" ]]; then
#install kubernetes components
sudo yum install -y kubeadm-${k8sVersion}-0 kubelet-${k8sVersion}-0 kubectl-${k8sVersion}-0
sudo systemctl enable --now kubelet
# ubuntu
elif [[ ${os_check} = "\"Ubuntu\"" ]]; then
#install kubernetes components
sudo apt-get install -y kubeadm-${k8sVersion}-0 kubelet-${k8sVersion}-0 kubectl-${k8sVersion}-0
sudo systemctl enable kubelet
# others
else
echo "This OS is not supported."
exit 100
fi
sudo echo '1' > /proc/sys/net/ipv4/ip_forward
sudo echo '1' > /proc/sys/net/bridge/bridge-nf-call-iptables
#change kubeadm yaml
sudo sed -i "s|{k8sVersion}|v${k8sVersion}|g" ${yaml_dir}/kubeadm-config.yaml
sudo sed -i "s|{apiServer}|${apiServer}|g" ${yaml_dir}/kubeadm-config.yaml
sudo sed -i "s|{podSubnet}|\"${podSubnet}\"|g" ${yaml_dir}/kubeadm-config.yaml
sudo sed -i "s|{imageRegistry}|${imageRegistry}|g" ${yaml_dir}/kubeadm-config.yaml
# kube init
sudo kubeadm init --config=${yaml_dir}/kubeadm-config.yaml --upload-certs
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
echo "========================================================================="
echo "====================== complete install kubernetes ===================="
echo "========================================================================="
}
function uninstall() {
kubeadm reset -f
sudo sed -i "s|v${k8sVersion}|{k8sVersion}|g" ${yaml_dir}/kubeadm-config.yaml
sudo sed -i "s|${apiServer}|{apiServer}|g" ${yaml_dir}/kubeadm-config.yaml
sudo sed -i "s|\"${podSubnet}\"|{podSubnet}|g" ${yaml_dir}/kubeadm-config.yaml
sudo sed -i "s|${imageRegistry}|{imageRegistry}|g" ${yaml_dir}/kubeadm-config.yaml
sudo rm -rf $HOME/.kube
}
function main(){
case "${1:-}" in
up)
set_env
install_crio
install_kube
;;
delete)
uninstall
;;
*)
set +x
echo " service list:" >&2
echo " $0 up" >&2
echo " $0 delete" >&2
;;
esac
}
main $1

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apiVersion: kubeadm.k8s.io/v1beta2
kind: InitConfiguration
localAPIEndpoint:
advertiseAddress: {apiServer}
bindPort: 6443
nodeRegistration:
criSocket: /var/run/crio/crio.sock
---
apiVersion: kubeadm.k8s.io/v1beta2
kind: ClusterConfiguration
kubernetesVersion: {k8sVersion}
controlPlaneEndpoint: {apiServer}:6443
imageRepository: {imageRegistry}/k8s.gcr.io
networking:
serviceSubnet: 10.96.0.0/16
podSubnet: {podSubnet}
---
apiVersion: kubelet.config.k8s.io/v1beta1
kind: KubeletConfiguration
cgroupDriver: systemd