ACK 的 kube-proxy

默认转发模式

ACK 的 kube-proxy 默认使用 ipvs 转发模式：

组件部署 YAML

ipvs 模式

DaemonSet

apiVersion: apps/v1
kind: DaemonSet
metadata:
  annotations:
    deprecated.daemonset.template.generation: "1"
  labels:
    k8s-app: kube-proxy-worker
  name: kube-proxy-worker
  namespace: kube-system
spec:
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      k8s-app: kube-proxy-worker
  template:
    metadata:
      labels:
        k8s-app: kube-proxy-worker
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: type
                operator: NotIn
                values:
                - virtual-kubelet
              - key: k8s.aliyun.com/no-kube-proxy
                operator: NotIn
                values:
                - "true"
      containers:
      - command:
        - /usr/local/bin/kube-proxy
        - --config=/var/lib/kube-proxy/config.conf
        - --hostname-override=$(NODE_NAME)
        env:
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: spec.nodeName
        - name: GODEBUG
          value: disablethp=1
        image: registry-cn-hangzhou-vpc.ack.aliyuncs.com/acs/kube-proxy:v1.34.1-aliyun.1
        imagePullPolicy: IfNotPresent
        name: kube-proxy-worker
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        securityContext:
          privileged: true
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /var/lib/kube-proxy
          name: kube-proxy-worker
        - mountPath: /run/xtables.lock
          name: xtables-lock
        - mountPath: /lib/modules
          name: lib-modules
          readOnly: true
        - mountPath: /var/run/kube-proxy
          name: run-kube-proxy
      dnsPolicy: ClusterFirst
      hostNetwork: true
      nodeSelector:
        kubernetes.io/os: linux
      priorityClassName: system-node-critical
      restartPolicy: Always
      schedulerName: default-scheduler
      serviceAccount: kube-proxy
      serviceAccountName: kube-proxy
      terminationGracePeriodSeconds: 30
      tolerations:
      - operator: Exists
      volumes:
      - configMap:
          defaultMode: 420
          name: kube-proxy-worker
        name: kube-proxy-worker
      - hostPath:
          path: /run/xtables.lock
          type: FileOrCreate
        name: xtables-lock
      - hostPath:
          path: /lib/modules
          type: ""
        name: lib-modules
      - hostPath:
          path: /var/run/kube-proxy
          type: ""
        name: run-kube-proxy
  updateStrategy:
    type: OnDelete

ConfigMap

apiVersion: v1
kind: ConfigMap
metadata:
  labels:
    app: kube-proxy-worker
  name: kube-proxy-worker
  namespace: kube-system
data:
  config.conf: |
    apiVersion: kubeproxy.config.k8s.io/v1alpha1
    kind: KubeProxyConfiguration
    featureGates:


    clusterCIDR: 10.0.0.0/8


    clientConnection:
      kubeconfig: /var/lib/kube-proxy/kubeconfig.conf
    conntrack:
      maxPerCore: 65536

    mode: ipvs
  kubeconfig.conf: |
    apiVersion: v1
    kind: Config
    clusters:
    - cluster:
        certificate-authority: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        server: https://apiserver.ca133aaf80fd542038acda778fbbf93a1.cn-hangzhou.cs.aliyuncs.com:6443
      name: default
    contexts:
    - context:
        cluster: default
        namespace: default
        user: default
      name: default
    current-context: default
    users:
    - name: default
      user:
        tokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token

iptables 模式

TODO

启动参数

ipvs 模式

[root@iZbp16qq4fgg0o7ecm6hm1Z ~]# ps -ef | grep kube-proxy
root        2712    2345  0 10:11 ?        00:00:00 /usr/local/bin/kube-proxy --config=/var/lib/kube-proxy/config.conf --hostname-override=cn-hangzhou.10.0.0.238

iptables 模式

TODO