Flannel IPIP DR 模式

Flannel IPIP DR 模式

一、环境信息

二、安装服务

kind 配置文件信息

$ cat install.sh

#!/bin/bash
date
set -v

# 1.prep noCNI env
cat <<EOF | kind create cluster --name=clab-flannel-ipip-directrouting --image=kindest/node:v1.23.4 --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
  disableDefaultCNI: true
  podSubnet: "10.244.0.0/16"
nodes:
  - role: control-plane
  - role: worker
  - role: worker
  - role: worker

containerdConfigPatches:
- |-
  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."harbor.dayuan1997.com"]
    endpoint = ["https://harbor.dayuan1997.com"]
EOF

# 2.remove taints
controller_node=`kubectl get nodes --no-headers  -o custom-columns=NAME:.metadata.name| grep control-plane`
kubectl taint nodes $controller_node node-role.kubernetes.io/master:NoSchedule-
kubectl get nodes -o wide

# 3.install necessary tools
# cd /opt/
# curl -o calicoctl -O -L "https://gh.api.99988866.xyz/https://github.com/containernetworking/plugins/releases/download/v0.9.0/cni-plugins-linux-amd64-v0.9.0.tgz" 
# tar -zxvf cni-plugins-linux-amd64-v0.9.0.tgz

for i in $(docker ps -a --format "table {{.Names}}" | grep flannel) 
do
    echo $i
    docker cp /opt/bridge $i:/opt/cni/bin/
    docker cp /usr/bin/ping $i:/usr/bin/ping
    docker exec -it $i bash -c "sed -i -e 's/jp.archive.ubuntu.com\|archive.ubuntu.com\|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list"
    docker exec -it $i bash -c "apt-get -y update >/dev/null && apt-get -y install net-tools tcpdump lrzsz bridge-utils >/dev/null 2>&1"
done

• 安装 k8s 集群

root@kind:~# ./install.sh

Creating cluster "clab-flannel-ipip-directrouting" ...
 ✓ Ensuring node image (kindest/node:v1.23.4) 

标签：clab,directrouting,IPIP,10.244,ff,ipip,Flannel,DR,flannel	

From： https://www.cnblogs.com/evescn/p/18371815