single单节点部署搞定

This commit is contained in:
zhanglikun 2023-09-12 22:55:48 +08:00
parent bbbd644c88
commit adb0301f61
5 changed files with 16 additions and 8 deletions

4
.env
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@ -1,4 +0,0 @@
MASTER1="10.0.0.112"
MASTER2="10.0.0.122"
MASTER3="10.0.0.132"
VIP="10.0.0.32"

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@ -1,6 +1,6 @@
# offline-kubernetes-install # offline-kubernetes-install
完全离线的情况下, 安装k8s集群, 基于CentOS7, k8s 1.21.10 版本, 容器运行时 是docker 完全离线的情况下, 安装k8s集群, 基于 CentOS7, k8s 1.21.10 版本, 容器运行时 是docker
| 脚本 | 说明 | | 脚本 | 说明 |
| ------------------ | -------------------------------------- | | ------------------ | -------------------------------------- |
@ -16,3 +16,10 @@
## 单节点k8s部署 ## 单节点k8s部署
1. 执行 scripts/0-download.sh 下载需要的包
2. 修改 single.env 里面的apiserver地址
3. 执行 single.sh 即可创建集群
## 集群部署
前提条件: 代码克隆到 master1 上面, 确保 master1 可以免密访问其他节点

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@ -3,7 +3,7 @@ set -euo pipefail
apiserver="__API_SERVER__" apiserver="__API_SERVER__"
# 初始化集群
sudo kubeadm init \ sudo kubeadm init \
--kubernetes-version 1.21.10 \ --kubernetes-version 1.21.10 \
--control-plane-endpoint "${apiserver}:6443" \ --control-plane-endpoint "${apiserver}:6443" \
@ -11,10 +11,12 @@ sudo kubeadm init \
--service-cidr=10.96.0.0/12 \ --service-cidr=10.96.0.0/12 \
--pod-network-cidr=10.244.0.0/16 --pod-network-cidr=10.244.0.0/16
# 配置kubeconfig
mkdir -p $HOME/.kube mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config
# kubectl自动补全
if [ $(grep -c "kubectl completion bash" /root/.bashrc) -eq 0 ];then if [ $(grep -c "kubectl completion bash" /root/.bashrc) -eq 0 ];then
cat <<EOF | sudo tee -a /root/.bashrc cat <<EOF | sudo tee -a /root/.bashrc
source /usr/share/bash-completion/bash_completion source /usr/share/bash-completion/bash_completion
@ -22,4 +24,5 @@ source <(kubectl completion bash)
EOF EOF
fi fi
# 安装flannel
cd ../flannel && bash install.sh && cd - cd ../flannel && bash install.sh && cd -

2
single.env Normal file
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@ -0,0 +1,2 @@
# 单节点 填自己的IP地址
API_SERVER="10.0.0.32"

4
single.sh Normal file → Executable file
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@ -1,7 +1,7 @@
#!/bin/bash #!/bin/bash
set -euo pipefail set -euo pipefail
VIP="10.0.0.32" source single.env
if [ $(id -u) != "0" ]; then if [ $(id -u) != "0" ]; then
echo "Error: You must be root to run this script" echo "Error: You must be root to run this script"
@ -10,6 +10,6 @@ fi
cd scripts cd scripts
./1-init.sh ./1-init.sh
sed -e "s/^apiserver=.*/apiserver=${VIP}/g" -i 2-create_k8s.sh sed -e "s/^apiserver=.*/apiserver=${API_SERVER}/g" -i 2-create_k8s.sh
./2-create_k8s.sh ./2-create_k8s.sh
./3-nginx_ingress.sh ./3-nginx_ingress.sh