kind k8s ipvs

kind_run.sh

#!/bin/bash

# kind cluster conf
cat > kind_conf_88698.cluster << EOF
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
kubeadmConfigPatches:
- |
  apiVersion: kubeproxy.config.k8s.io/v1alpha1
  kind: KubeProxyConfiguration
  metadata:
    name: config
  mode: ipvs
networking:
  # the default CNI will not be installed
  disableDefaultCNI: true
  podSubnet: 192.168.0.0/16 # set to Calico's default subnet

nodes:
- role: control-plane
  image: kindest/node:v1.16.4
  extraPortMappings:
  - containerPort: 80
    hostPort: 80
- role: worker
  image: kindest/node:v1.16.4
  extraPortMappings:
  - containerPort: 8443
    hostPort: 8443

EOF

# metallb conf
cat > metal-config.yml << EOF
apiVersion: v1
kind: ConfigMap
metadata:
  namespace: metallb-system
  name: config
data:
  config: |
    address-pools:
    - name: default
      protocol: layer2
      addresses:
      - 172.17.0.240-172.17.0.250
EOF

kind delete cluster
kind  create  cluster --config kind_conf_88698.cluster
sleep 30

# calico CNI
kubectl apply -f https://docs.projectcalico.org/v3.8/manifests/calico.yaml

# metallb for load balancer service type
kubectl apply -f https://raw.githubusercontent.com/google/metallb/v0.8.3/manifests/metallb.yaml
kubectl apply -f metal-config.yml


sleep 20
# example echo pods
kubectl create deployment hello-server1 --image=gcr.io/google-samples/hello-app:1.0
kubectl expose deployment hello-server1 --type LoadBalancer   --port 80 --target-port 8080
kubectl create deployment hello-server2 --image=gcr.io/google-samples/hello-app:1.0
kubectl expose deployment hello-server2 --type LoadBalancer   --port 80 --target-port 8080



echo "TODO patch services for spec.loadBalancerSourceRanges"