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  • CentOS 搭建 K8S,一次性成功,收藏了!

    一. 为什么是k8s v1.16.0?

    最新版的v1.16.2试过了,一直无法安装完成,安装到kubeadm init那一步执行后,报了很多错,如:node xxx not found等。centos7都重装了几次,还是无法解决。用了一天都没安装完,差点放弃。后来在网上搜到的安装教程基本都是v1.16.0的,我不太相信是v1.16.2的坑所以先前没打算降级到v1.16.0。没办法了就试着安装v1.16.0版本,竟然成功了。记录在此,避免后来者踩坑。

    本篇文章,安装大步骤如下:

    • 安装docker-ce 18.09.9(所有机器)
    • 设置k8s环境前置条件(所有机器)
    • 安装k8s v1.16.0 master管理节点
    • 安装k8s v1.16.0 node工作节点
    • 安装flannel(master)

    这里有重要的一步,请记住自己master和node之间通信的ip,如我的master的ip为192.168.99.104,node的ip为:192.168.99.105. 请确保使用这两个ip在master和node上能互相ping通,这个master的ip 192.168.99.104接下来配置k8s的时候需要用到。

    我的环境:

    • 操作系统:win10
    • 虚拟机:virtual box
    • linux发行版:CentOS7
    • linux内核(使用uname -r查看):3.10.0-957.el7.x86_64
    • master和node节点通信的ip(master):192.168.99.104

    二. 安装docker-ce 18.09.9(所有机器)

    所有安装k8s的机器都需要安装docker,命令如下:

    #?安装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
    #?指定安装这个版本的docker-ce
    yum?install?-y?docker-ce-18.09.9-3.el7
    #?启动docker
    systemctl?enable?docker?&&?systemctl?start?docker
    

    三. 设置k8s环境准备条件(所有机器)

    安装k8s的机器需要2个CPU和2g内存以上,这个简单,在虚拟机里面配置一下就可以了。然后执行以下脚本做一些准备操作。所有安装k8s的机器都需要这一步操作。

    #?关闭防火墙
    systemctl?disable?firewalld
    systemctl?stop?firewalld
    #?关闭selinux
    #?临时禁用selinux
    setenforce?0
    #?永久关闭?修改/etc/sysconfig/selinux文件设置
    sed?-i?'s/SELINUX=permissive/SELINUX=disabled/'?/etc/sysconfig/selinux
    sed?-i?"s/SELINUX=enforcing/SELINUX=disabled/g"?/etc/selinux/config
    #?禁用交换分区
    swapoff?-a
    #?永久禁用,打开/etc/fstab注释掉swap那一行。
    sed?-i?'s/.*swap.*/#&/'?/etc/fstab
    #?修改内核参数
    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. 安装k8s v1.16.0 master管理节点

    如果还没安装docker,请参照本文步骤二安装docker-ce 18.09.9(所有机器)安装。如果没设置k8s环境准备条件,请参照本文步骤三设置k8s环境准备条件(所有机器)执行。

    以上两个步骤检查完毕之后,继续以下步骤。

    1. 安装kubeadm、kubelet、kubectl

    由于官方k8s源在google,国内无法访问,这里使用阿里云yum源

    #?执行配置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
    #?安装kubeadm、kubectl、kubelet
    yum?install?-y?kubectl-1.16.0-0?kubeadm-1.16.0-0?kubelet-1.16.0-0
    #?启动kubelet服务
    systemctl?enable?kubelet?&&?systemctl?start?kubelet
    1. 初始化k8s 以下这个命令开始安装k8s需要用到的docker镜像,因为无法访问到国外网站,所以这条命令使用的是国内的阿里云的源(registry.aliyuncs.com/google_containers)。另一个非常重要的是:这里的--apiserver-advertise-address使用的是master和node间能互相ping通的ip,我这里是192.168.99.104,刚开始在这里被坑了一个晚上,你请自己修改下ip执行。这条命令执行时会卡在[preflight] You can also perform this action in beforehand using ''kubeadm config images pull,大概需要2分钟,请耐心等待。
    #?下载管理节点中用到的6个docker镜像,你可以使用docker?images查看到
    #?这里需要大概两分钟等待,会卡在[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
    

    上面安装完后,会提示你输入如下命令,复制粘贴过来,执行即可。

    #?上面安装完成后,k8s会提示你输入如下命令,执行
    mkdir?-p?$HOME/.kube
    sudo?cp?-i?/etc/kubernetes/admin.conf?$HOME/.kube/config
    sudo?chown?$(id?-u):$(id?-g)?$HOME/.kube/config
    1. 记住node加入集群的命令 上面kubeadm init执行成功后会返回给你node节点加入集群的命令,等会要在node节点上执行,需要保存下来,如果忘记了,可以使用如下命令获取。
    kubeadm?token?create?--print-join-command
    

    以上,安装master节点完毕。可以使用kubectl get nodes查看一下,此时master处于NotReady状态,暂时不用管。

    五. 安装k8s v1.16.0 node工作节点

    如果还没安装docker,请参照本文步骤二安装docker-ce 18.09.9(所有机器)安装。如果没设置k8s环境准备条件,请参照本文步骤三设置k8s环境准备条件(所有机器)执行。

    以上两个步骤检查完毕之后,继续以下步骤。

    1. 安装kubeadm、kubelet
    #?执行配置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
    #?安装kubeadm、kubectl、kubelet
    yum?install?-y??kubeadm-1.16.0-0?kubelet-1.16.0-0
    #?启动kubelet服务
    systemctl?enable?kubelet?&&?systemctl?start?kubelet
    1. 加入集群 这里加入集群的命令每个人都不一样,可以登录master节点,使用kubeadm token create --print-join-command 来获取。获取后执行如下。
    #?加入集群,如果这里不知道加入集群的命令,可以登录master节点,使用kubeadm?token?create?--print-join-command?来获取
    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节点上使用kubectl get nodes命令查看到加入的节点。

    六. 安装flannel(master机器)

    以上步骤安装完后,机器搭建起来了,但状态还是NotReady状态,如下图,master机器需要安装flanneld。

    1. 下载官方fannel配置文件 使用wget命令,地址为:(https://raw.githubusercontent...,这个地址国内访问不了,所以我把内容复制下来,为了避免前面文章过长,我把它粘贴到文章末尾第八个步骤附录了。这个yml配置文件中配置了一个国内无法访问的地址(quay.io),我已经将其改为国内可以访问的地址(quay-mirror.qiniu.com)。我们新建一个kube-flannel.yml文件,复制粘贴该内容即可。
    2. 安装fannel
    kubectl?apply?-f?kube-flannel.yml
    

    七. 大功告成

    至此,k8s集群搭建完成,如下图节点已为Ready状态,大功告成,完结撒花。

    八. 附录

    这是kube-flannel.yml文件的内容,已经将无法访问的地址(quay.io)全部改为国内可以访问的地址(quay-mirror.qiniu.com)。我们新建一个kube-flannel.yml文件,复制粘贴该内容即可。

    ---
    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
    

    原文:https://www.jianshu.com/p/25c...

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