#1-setup-env.sh
#! /bin/bash
date
set -v

# 1.prep nocNI env
cat <<EOF |kind create cluster --name=cilium-dual-stack --image=kindest/node:v1.23.4  --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
  disableDefaultCNI: true  #kind 默认使用rancher cni，我们不需要该cni
  ipFamily: dual
nodes:
  - role: control-plane
  - role: worker
  - role: worker

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 -owide

# 3.  install cni
helm repo add cilium  https://helm.cilium.io > /dev/null 2>&1
helm repo update > /dev/null  2>&1

helm  install cilium  cilium/cilium --set k8sServiceHost=$controller_node --set k8sServicePort=6443 --version 1.13.0-rc5 \
--namespace kube-system --set debug.enabled=true --set debug.verbose=datapath --set monitorAggregation=none \
--set ipam.mode=kubernetes --set cluster.name=cilium-dual-stack --set tunnel=vxlan  --set kubeProxyReplacement=disabled \
--set ipv6.enabled=true

#4. install necessary tools
for i in $(docker ps -a --format "table {{.Names}}" |grep cilium-dual-stack)
do
                echo $i
                #docker cp ./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 > /dev/null 2>&1"
done

apiVersion: apps/v1
kind: Deployment
metadata:
  name: app
  labels:
    app: app
spec:
  replicas: 2
  selector:
    matchLabels:
      app: app
  template:
    metadata:
      labels:
        app: app
    spec:
      containers:
      - name: nettool
        image: burlyluo/nettool
        securityContext:
          privileged: true

---
apiVersion: v1
kind: Service
metadata:
  name: app
spec:
  ipFamilyPolicy: PreferDualStack
  ipFamilies:
  - IPv6
  - IPv4
  type: ClusterIP
  selector:
    app: app
  ports:
  - name: app
    port: 8080
    targetPort: 80