############################################################
#
# Multi-homed pod network configuration:
#
#  - contivk8s used for client
#  - macvlan used for backend
#
# Assumptions:
#
#  - arch == amd64
#  - K8s 1.8+
#  - contivk8s preconfigured
#  - macvlan master port set to Jumbo MTU 9000
#
# Before applying:
#
#  - edit macvlan master port
#
############################################################
---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: networks.kubernetes.com
spec:
  group: kubernetes.com
  version: v1
  scope: Cluster
  names:
    plural: networks
    singular: network
    kind: Network
    shortNames:
    - net

---
apiVersion: "kubernetes.com/v1"
kind: Network
metadata:
  name: client-net
plugin: contivk8s
args: '[
         {
           "delegate": {
             "isDefaultGateway": true
           }
         }
       ]'

---
apiVersion: "kubernetes.com/v1"
kind: Network
metadata:
  name: replicast
plugin: macvlan
args: '[
         {
	   "type": "macvlan",
	   "master": "rep0",
	   "mode": "bridge",
	   "mtu": 9000,
           "ipam": {
             "type": "host-local",
             "subnet": "192.168.1.0/24"
           }
         }
       ]'

---
kind: ConfigMap
apiVersion: v1
metadata:
  name: kube-multus-cfg
  namespace: kube-system
  labels:
    tier: node
    app: multus
data:
  multus_conf: |-
    {
      "name": "multus-cni-network",
      "type": "multus",
      "kubeconfig": "/etc/kubernetes/admin.conf",
      "delegates": [{
        "type": "contivk8s",
        "hairpinMode": true,
        "masterplugin": true
      }]
    }

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: multus
rules:
  - apiGroups:
      - ""
    resources:
      - pods
    verbs:
      - get
      - patch

---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: multus
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: multus
subjects:
- kind: ServiceAccount
  name: multus
  namespace: kube-system
- kind: Group
  name: system:authenticated
  apiGroup: rbac.authorization.k8s.io

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: multus
  namespace: kube-system

---
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
  name: multus
  namespace: kube-system
  labels:
    tier: node
    k8s-app: multus
spec:
  selector:
    matchLabels:
      k8s-app: multus
  template:
    metadata:
      labels:
        tier: node
        k8s-app: multus
      annotations:
        scheduler.alpha.kubernetes.io/critical-pod: ''
        scheduler.alpha.kubernetes.io/tolerations: |
          [
            {
              "key": "dedicated", 
              "value": "master", 
              "effect": "NoSchedule" 
            },
            {
              "key": "CriticalAddonsOnly", 
              "operator": "Exists"
            }
          ]
    spec:
      hostNetwork: true
      hostPID: true
      initContainers:
      - name: multus-deploy
        image: nexenta/multus-deploy:1.0
        command: ["/bin/sh","-c"]
        args: ["cp /multus /opt/cni/bin/; cp /opt/etc/0-multus.conf /etc/cni/net.d/"]
        volumeMounts:
        - name: opt-cni-bin
          mountPath: /opt/cni/bin
        - name: etc-cni-dir
          mountPath: /etc/cni/net.d
        - name: kube-multus-cfg
          mountPath: /opt/etc
      containers:
      - name: multus-deploy-wait
        image: nexenta/multus-deploy:1.0
        command: ["/bin/sh", "-c", "sleep 600000"]
      volumes:
        - name: opt-cni-bin
          hostPath:
            path: /opt/cni/bin
        - name: etc-cni-dir
          hostPath:
            path: /etc/cni/net.d
        - name: kube-multus-cfg
          configMap:
            name: kube-multus-cfg
            items:
            - key: multus_conf
              path: 0-multus.conf