cni-route-overwrite examples

test.yml

#only available with crio/podman (not docker runtime)
---
apiVersion: "k8s.cni.cncf.io/v1"
kind: NetworkAttachmentDefinition
metadata:
  name: flannel-cluster
  namespace: kube-system
spec:
  config: '
{
  "cniVersion": "0.4.0",
  "name": "cbr0",
  "plugins": [
    {
      "type": "flannel",
      "delegate": {
        "hairpinMode": true,
        "isDefaultGateway": true
      }
    },
    {
      "type": "route-overwrite",
      "flushgateway": false
    },
    {
      "type": "portmap",
      "capabilities": {
        "portMappings": true
      }
    }
  ]
}'
---
apiVersion: "k8s.cni.cncf.io/v1"
kind: NetworkAttachmentDefinition
metadata:
  name: vlan-eth1
spec: 
  config: '{
                "cniVersion": "0.3.0",
		"name": "test",
                "plugins": [ 
                {
                        "type": "vlan",
                        "master": "eth1",
		        "vlanId": 1,
                        "ipam": {
                                "type": "static",
                                "addresses": [ { "address": "172.16.1.10/24" } ]
                        }
                },
                {
                        "type": "route-overwrite",
                        "addroutes": [ { "dst": "0.0.0.0/0", "gw": "172.16.1.1" }]
                }]
        }'
---
apiVersion: v1
kind: Pod
metadata:
  name: pod-case-01
  annotations:
    k8s.v1.cni.cncf.io/networks: '[
            { "name": "vlan-eth1"
            }
    ]'
spec:
  containers:
  - name: pod-case-01
    image: docker.io/centos/tools:latest
    command:
    - /sbin/init