本文寫作時(shí)間是2019年11月1日驰怎，接近這個(gè)時(shí)間的同學(xué)可以參考我這個(gè)教程安裝继效。按照這個(gè)教程安裝一定能成功鸳慈，不成功你來打我。

一. 為什么是k8s v1.16.0翁逞？

最新版的v1.16.2試過了，一直無法安裝完成怨喘，安裝到kubeadm init那一步執(zhí)行后必怜，報(bào)了很多錯(cuò)膏执，如：node xxx not found等。centos7都重裝了幾次壳快，還是無法解決梯啤。用了一天都沒安裝完，差點(diǎn)放棄。后來在網(wǎng)上搜到的安裝教程基本都是v1.16.0的嵌施，我不太相信是v1.16.2的坑所以先前沒打算降級(jí)到v1.16.0硫眨。沒辦法了就試著安裝v1.16.0版本巧号，竟然成功了泣栈。記錄在此，避免后來者踩坑。

本篇文章，安裝大步驟如下：

• 安裝docker-ce 18.09.9（所有機(jī)器）
• 設(shè)置k8s環(huán)境前置條件（所有機(jī)器）
• 安裝k8s v1.16.0 master管理節(jié)點(diǎn)
• 安裝k8s v1.16.0 node工作節(jié)點(diǎn)
• 安裝flannel（master）

這里有重要的一步，請(qǐng)記住自己master和node之間通信的ip，如我的master的ip為192.168.99.104，node的ip為：192.168.99.105. 請(qǐng)確保使用這兩個(gè)ip在master和node上能互相ping通旺罢，這個(gè)master的ip 192.168.99.104接下來配置k8s的時(shí)候需要用到。

我的環(huán)境：

• 操作系統(tǒng)：win10
• 虛擬機(jī)：virtual box
• linux發(fā)行版：CentOS7
• linux內(nèi)核(使用uname -r查看)：3.10.0-957.el7.x86_64
• master和node節(jié)點(diǎn)通信的ip(master)：192.168.99.104

二. 安裝docker-ce 18.09.9（所有機(jī)器）

所有安裝k8s的機(jī)器都需要安裝docker，命令如下：

# 安裝docker所需的工具
yum install -y yum-utils device-mapper-persistent-data lvm2
# 配置阿里云的docker源
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# 指定安裝這個(gè)版本的docker-ce
yum install -y docker-ce-18.09.9-3.el7
# 啟動(dòng)docker
systemctl enable docker && systemctl start docker

三. 設(shè)置k8s環(huán)境準(zhǔn)備條件（所有機(jī)器）

安裝k8s的機(jī)器需要2個(gè)CPU和2g內(nèi)存以上节吮，這個(gè)簡(jiǎn)單翘骂，在虛擬機(jī)里面配置一下就可以了莹桅。然后執(zhí)行以下腳本做一些準(zhǔn)備操作铐达。所有安裝k8s的機(jī)器都需要這一步操作娶桦。

# 關(guān)閉防火墻
systemctl disable firewalld
systemctl stop firewalld

# 關(guān)閉selinux
# 臨時(shí)禁用selinux
setenforce 0
# 永久關(guān)閉 修改/etc/sysconfig/selinux文件設(shè)置
sed -i 's/SELINUX=permissive/SELINUX=disabled/' /etc/sysconfig/selinux
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config

# 禁用交換分區(qū)
swapoff -a
# 永久禁用衷畦，打開/etc/fstab注釋掉swap那一行忿墅。
sed -i 's/.*swap.*/#&/' /etc/fstab

# 修改內(nèi)核參數(shù)
cat <<EOF >  /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sysctl --system

四. 安裝k8s v1.16.0 master管理節(jié)點(diǎn)

如果還沒安裝docker疟游，請(qǐng)參照本文步驟二安裝docker-ce 18.09.9（所有機(jī)器）安裝蛮原。
如果沒設(shè)置k8s環(huán)境準(zhǔn)備條件，請(qǐng)參照本文步驟三設(shè)置k8s環(huán)境準(zhǔn)備條件（所有機(jī)器）執(zhí)行干签。
以上兩個(gè)步驟檢查完畢之后，繼續(xù)以下步驟楼熄。

1. 安裝kubeadm纸淮、kubelet、kubectl

由于官方k8s源在google晃虫，國(guó)內(nèi)無法訪問，這里使用阿里云yum源

# 執(zhí)行配置k8s阿里云源
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF

# 安裝kubeadm、kubectl、kubelet
yum install -y kubectl-1.16.0-0 kubeadm-1.16.0-0 kubelet-1.16.0-0

# 啟動(dòng)kubelet服務(wù)
systemctl enable kubelet && systemctl start kubelet

2. 初始化k8s

以下這個(gè)命令開始安裝k8s需要用到的docker鏡像愕宋，因?yàn)闊o法訪問到國(guó)外網(wǎng)站邻寿，所以這條命令使用的是國(guó)內(nèi)的阿里云的源(registry.aliyuncs.com/google_containers)绣否。另一個(gè)非常重要的是：這里的--apiserver-advertise-address使用的是master和node間能互相ping通的ip，我這里是192.168.99.104债蜜，剛開始在這里被坑了一個(gè)晚上捷枯，你請(qǐng)自己修改下ip執(zhí)行。 這條命令執(zhí)行時(shí)會(huì)卡在[preflight] You can also perform this action in beforehand using ''kubeadm config images pull苟径，大概需要2分鐘案站，請(qǐng)耐心等待。

# 下載管理節(jié)點(diǎn)中用到的6個(gè)docker鏡像棘街，你可以使用docker images查看到
# 這里需要大概兩分鐘等待蟆盐，會(huì)卡在[preflight] You can also perform this action in beforehand using ''kubeadm config images pull
kubeadm init --image-repository registry.aliyuncs.com/google_containers --kubernetes-version v1.16.0 --apiserver-advertise-address 192.168.99.104 --pod-network-cidr=10.244.0.0/16 --token-ttl 0

上面安裝完后，會(huì)提示你輸入如下命令遭殉，復(fù)制粘貼過來石挂，執(zhí)行即可。

# 上面安裝完成后险污，k8s會(huì)提示你輸入如下命令痹愚，執(zhí)行
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

3. 記住node加入集群的命令

上面kubeadm init執(zhí)行成功后會(huì)返回給你node節(jié)點(diǎn)加入集群的命令，等會(huì)要在node節(jié)點(diǎn)上執(zhí)行罗心，需要保存下來里伯，如果忘記了拷泽，可以使用如下命令獲取再榄。

kubeadm token create --print-join-command 

以上狐血，安裝master節(jié)點(diǎn)完畢§可以使用kubectl get nodes查看一下，此時(shí)master處于NotReady狀態(tài)蜒灰，暫時(shí)不用管弦蹂。

圖片

五. 安裝k8s v1.16.0 node工作節(jié)點(diǎn)

如果還沒安裝docker，請(qǐng)參照本文步驟二安裝docker-ce 18.09.9（所有機(jī)器）安裝强窖。
如果沒設(shè)置k8s環(huán)境準(zhǔn)備條件凸椿，請(qǐng)參照本文步驟三設(shè)置k8s環(huán)境準(zhǔn)備條件（所有機(jī)器）執(zhí)行。
以上兩個(gè)步驟檢查完畢之后翅溺，繼續(xù)以下步驟脑漫。

1. 安裝kubeadm、kubelet

# 執(zhí)行配置k8s阿里云源
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF

# 安裝kubeadm咙崎、kubectl优幸、kubelet
yum install -y  kubeadm-1.16.0-0 kubelet-1.16.0-0

# 啟動(dòng)kubelet服務(wù)
systemctl enable kubelet && systemctl start kubelet

2. 加入集群

這里加入集群的命令每個(gè)人都不一樣，可以登錄master節(jié)點(diǎn)褪猛，使用kubeadm token create --print-join-command 來獲取网杆。獲取后執(zhí)行如下。

# 加入集群，如果這里不知道加入集群的命令碳却，可以登錄master節(jié)點(diǎn)队秩，使用kubeadm token create --print-join-command 來獲取 
kubeadm join 192.168.99.104:6443 --token ncfrid.7ap0xiseuf97gikl \
    --discovery-token-ca-cert-hash sha256:47783e9851a1a517647f1986225f104e81dbfd8fb256ae55ef6d68ce9334c6a2

加入成功后，可以在master節(jié)點(diǎn)上使用kubectl get nodes命令查看到加入的節(jié)點(diǎn)追城。

六. 安裝flannel（master機(jī)器）

以上步驟安裝完后刹碾，機(jī)器搭建起來了，但狀態(tài)還是NotReady狀態(tài)座柱，如下圖迷帜，master機(jī)器需要安裝flanneld。

20191101095214.png

1. 下載官方fannel配置文件

使用wget命令色洞，地址為：(https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml)戏锹，這個(gè)地址國(guó)內(nèi)訪問不了，所以我把內(nèi)容復(fù)制下來火诸，為了避免前面文章過長(zhǎng)锦针，我把它粘貼到文章末尾第八個(gè)步驟附錄了。這個(gè)yml配置文件中配置了一個(gè)國(guó)內(nèi)無法訪問的地址(quay.io)置蜀，我已經(jīng)將其改為國(guó)內(nèi)可以訪問的地址(quay-mirror.qiniu.com)奈搜。我們新建一個(gè)kube-flannel.yml文件，復(fù)制粘貼該內(nèi)容即可盯荤。

2. 安裝fannel

kubectl apply -f kube-flannel.yml

七. 大功告成

至此馋吗，k8s集群搭建完成，如下圖節(jié)點(diǎn)已為Ready狀態(tài)秋秤，大功告成宏粤，完結(jié)撒花。

20191101101725.png

八. 附錄

這是kube-flannel.yml文件的內(nèi)容灼卢，已經(jīng)將無法訪問的地址(quay.io)全部改為國(guó)內(nèi)可以訪問的地址(quay-mirror.qiniu.com)绍哎。我們新建一個(gè)kube-flannel.yml文件，復(fù)制粘貼該內(nèi)容即可鞋真。

---
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
  name: psp.flannel.unprivileged
  annotations:
    seccomp.security.alpha.kubernetes.io/allowedProfileNames: docker/default
    seccomp.security.alpha.kubernetes.io/defaultProfileName: docker/default
    apparmor.security.beta.kubernetes.io/allowedProfileNames: runtime/default
    apparmor.security.beta.kubernetes.io/defaultProfileName: runtime/default
spec:
  privileged: false
  volumes:
    - configMap
    - secret
    - emptyDir
    - hostPath
  allowedHostPaths:
    - pathPrefix: "/etc/cni/net.d"
    - pathPrefix: "/etc/kube-flannel"
    - pathPrefix: "/run/flannel"
  readOnlyRootFilesystem: false
  # Users and groups
  runAsUser:
    rule: RunAsAny
  supplementalGroups:
    rule: RunAsAny
  fsGroup:
    rule: RunAsAny
  # Privilege Escalation
  allowPrivilegeEscalation: false
  defaultAllowPrivilegeEscalation: false
  # Capabilities
  allowedCapabilities: ['NET_ADMIN']
  defaultAddCapabilities: []
  requiredDropCapabilities: []
  # Host namespaces
  hostPID: false
  hostIPC: false
  hostNetwork: true
  hostPorts:
  - min: 0
    max: 65535
  # SELinux
  seLinux:
    # SELinux is unused in CaaSP
    rule: 'RunAsAny'
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: flannel
rules:
  - apiGroups: ['extensions']
    resources: ['podsecuritypolicies']
    verbs: ['use']
    resourceNames: ['psp.flannel.unprivileged']
  - apiGroups:
      - ""
    resources:
      - pods
    verbs:
      - get
  - apiGroups:
      - ""
    resources:
      - nodes
    verbs:
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - nodes/status
    verbs:
      - patch
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: flannel
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: flannel
subjects:
- kind: ServiceAccount
  name: flannel
  namespace: kube-system
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: flannel
  namespace: kube-system
---
kind: ConfigMap
apiVersion: v1
metadata:
  name: kube-flannel-cfg
  namespace: kube-system
  labels:
    tier: node
    app: flannel
data:
  cni-conf.json: |
    {
      "name": "cbr0",
      "cniVersion": "0.3.1",
      "plugins": [
        {
          "type": "flannel",
          "delegate": {
            "hairpinMode": true,
            "isDefaultGateway": true
          }
        },
        {
          "type": "portmap",
          "capabilities": {
            "portMappings": true
          }
        }
      ]
    }
  net-conf.json: |
    {
      "Network": "10.244.0.0/16",
      "Backend": {
        "Type": "vxlan"
      }
    }
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: kube-flannel-ds-amd64
  namespace: kube-system
  labels:
    tier: node
    app: flannel
spec:
  selector:
    matchLabels:
      app: flannel
  template:
    metadata:
      labels:
        tier: node
        app: flannel
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: beta.kubernetes.io/os
                    operator: In
                    values:
                      - linux
                  - key: beta.kubernetes.io/arch
                    operator: In
                    values:
                      - amd64
      hostNetwork: true
      tolerations:
      - operator: Exists
        effect: NoSchedule
      serviceAccountName: flannel
      initContainers:
      - name: install-cni
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-amd64
        command:
        - cp
        args:
        - -f
        - /etc/kube-flannel/cni-conf.json
        - /etc/cni/net.d/10-flannel.conflist
        volumeMounts:
        - name: cni
          mountPath: /etc/cni/net.d
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      containers:
      - name: kube-flannel
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-amd64
        command:
        - /opt/bin/flanneld
        args:
        - --ip-masq
        - --kube-subnet-mgr
        resources:
          requests:
            cpu: "100m"
            memory: "50Mi"
          limits:
            cpu: "100m"
            memory: "50Mi"
        securityContext:
          privileged: false
          capabilities:
            add: ["NET_ADMIN"]
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        volumeMounts:
        - name: run
          mountPath: /run/flannel
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      volumes:
        - name: run
          hostPath:
            path: /run/flannel
        - name: cni
          hostPath:
            path: /etc/cni/net.d
        - name: flannel-cfg
          configMap:
            name: kube-flannel-cfg
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: kube-flannel-ds-arm64
  namespace: kube-system
  labels:
    tier: node
    app: flannel
spec:
  selector:
    matchLabels:
      app: flannel
  template:
    metadata:
      labels:
        tier: node
        app: flannel
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: beta.kubernetes.io/os
                    operator: In
                    values:
                      - linux
                  - key: beta.kubernetes.io/arch
                    operator: In
                    values:
                      - arm64
      hostNetwork: true
      tolerations:
      - operator: Exists
        effect: NoSchedule
      serviceAccountName: flannel
      initContainers:
      - name: install-cni
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-arm64
        command:
        - cp
        args:
        - -f
        - /etc/kube-flannel/cni-conf.json
        - /etc/cni/net.d/10-flannel.conflist
        volumeMounts:
        - name: cni
          mountPath: /etc/cni/net.d
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      containers:
      - name: kube-flannel
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-arm64
        command:
        - /opt/bin/flanneld
        args:
        - --ip-masq
        - --kube-subnet-mgr
        resources:
          requests:
            cpu: "100m"
            memory: "50Mi"
          limits:
            cpu: "100m"
            memory: "50Mi"
        securityContext:
          privileged: false
          capabilities:
             add: ["NET_ADMIN"]
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        volumeMounts:
        - name: run
          mountPath: /run/flannel
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      volumes:
        - name: run
          hostPath:
            path: /run/flannel
        - name: cni
          hostPath:
            path: /etc/cni/net.d
        - name: flannel-cfg
          configMap:
            name: kube-flannel-cfg
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: kube-flannel-ds-arm
  namespace: kube-system
  labels:
    tier: node
    app: flannel
spec:
  selector:
    matchLabels:
      app: flannel
  template:
    metadata:
      labels:
        tier: node
        app: flannel
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: beta.kubernetes.io/os
                    operator: In
                    values:
                      - linux
                  - key: beta.kubernetes.io/arch
                    operator: In
                    values:
                      - arm
      hostNetwork: true
      tolerations:
      - operator: Exists
        effect: NoSchedule
      serviceAccountName: flannel
      initContainers:
      - name: install-cni
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-arm
        command:
        - cp
        args:
        - -f
        - /etc/kube-flannel/cni-conf.json
        - /etc/cni/net.d/10-flannel.conflist
        volumeMounts:
        - name: cni
          mountPath: /etc/cni/net.d
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      containers:
      - name: kube-flannel
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-arm
        command:
        - /opt/bin/flanneld
        args:
        - --ip-masq
        - --kube-subnet-mgr
        resources:
          requests:
            cpu: "100m"
            memory: "50Mi"
          limits:
            cpu: "100m"
            memory: "50Mi"
        securityContext:
          privileged: false
          capabilities:
             add: ["NET_ADMIN"]
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        volumeMounts:
        - name: run
          mountPath: /run/flannel
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      volumes:
        - name: run
          hostPath:
            path: /run/flannel
        - name: cni
          hostPath:
            path: /etc/cni/net.d
        - name: flannel-cfg
          configMap:
            name: kube-flannel-cfg
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: kube-flannel-ds-ppc64le
  namespace: kube-system
  labels:
    tier: node
    app: flannel
spec:
  selector:
    matchLabels:
      app: flannel
  template:
    metadata:
      labels:
        tier: node
        app: flannel
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: beta.kubernetes.io/os
                    operator: In
                    values:
                      - linux
                  - key: beta.kubernetes.io/arch
                    operator: In
                    values:
                      - ppc64le
      hostNetwork: true
      tolerations:
      - operator: Exists
        effect: NoSchedule
      serviceAccountName: flannel
      initContainers:
      - name: install-cni
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-ppc64le
        command:
        - cp
        args:
        - -f
        - /etc/kube-flannel/cni-conf.json
        - /etc/cni/net.d/10-flannel.conflist
        volumeMounts:
        - name: cni
          mountPath: /etc/cni/net.d
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      containers:
      - name: kube-flannel
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-ppc64le
        command:
        - /opt/bin/flanneld
        args:
        - --ip-masq
        - --kube-subnet-mgr
        resources:
          requests:
            cpu: "100m"
            memory: "50Mi"
          limits:
            cpu: "100m"
            memory: "50Mi"
        securityContext:
          privileged: false
          capabilities:
             add: ["NET_ADMIN"]
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        volumeMounts:
        - name: run
          mountPath: /run/flannel
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      volumes:
        - name: run
          hostPath:
            path: /run/flannel
        - name: cni
          hostPath:
            path: /etc/cni/net.d
        - name: flannel-cfg
          configMap:
            name: kube-flannel-cfg
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: kube-flannel-ds-s390x
  namespace: kube-system
  labels:
    tier: node
    app: flannel
spec:
  selector:
    matchLabels:
      app: flannel
  template:
    metadata:
      labels:
        tier: node
        app: flannel
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: beta.kubernetes.io/os
                    operator: In
                    values:
                      - linux
                  - key: beta.kubernetes.io/arch
                    operator: In
                    values:
                      - s390x
      hostNetwork: true
      tolerations:
      - operator: Exists
        effect: NoSchedule
      serviceAccountName: flannel
      initContainers:
      - name: install-cni
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-s390x
        command:
        - cp
        args:
        - -f
        - /etc/kube-flannel/cni-conf.json
        - /etc/cni/net.d/10-flannel.conflist
        volumeMounts:
        - name: cni
          mountPath: /etc/cni/net.d
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      containers:
      - name: kube-flannel
        image: quay-mirror.qiniu.com/coreos/flannel:v0.11.0-s390x
        command:
        - /opt/bin/flanneld
        args:
        - --ip-masq
        - --kube-subnet-mgr
        resources:
          requests:
            cpu: "100m"
            memory: "50Mi"
          limits:
            cpu: "100m"
            memory: "50Mi"
        securityContext:
          privileged: false
          capabilities:
             add: ["NET_ADMIN"]
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        volumeMounts:
        - name: run
          mountPath: /run/flannel
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      volumes:
        - name: run
          hostPath:
            path: /run/flannel
        - name: cni
          hostPath:
            path: /etc/cni/net.d
        - name: flannel-cfg
          configMap:
            name: kube-flannel-cfg

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