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用于连接k8s集群#xff0c;建议下载1.23.x的版本#xff0c;其他的版本本地运行可能会有莫名其妙的报错
https://dl.k8s.io/release/v1.23.16/bin/linux/amd64/kubectl
安装k8s集群
minikube
Minik… 文章目录 k8s 客户端安装k8s集群minikubekindkubeadm 验证 k8s 客户端
用于连接k8s集群建议下载1.23.x的版本其他的版本本地运行可能会有莫名其妙的报错
https://dl.k8s.io/release/v1.23.16/bin/linux/amd64/kubectl
安装k8s集群
minikube
Minikube 会在当前宿主机上启动一个最小的 K8S 集群用于实验性质全过程比较傻瓜一键安装即可
https://kubernetes.io/zh-cn/docs/tasks/tools/install-kubectl-linux/
kind
https://kind.sigs.k8s.io/docs/user/quick-start/#installing-with-a-package-manager
kubeadm
https://kubernetes.io/zh-cn/docs/setup/production-environment/tools/kubeadm/install-kubeadm/
集群启动
kubeadm config images pull --image-repositoryregistry.aliyuncs.com/google_containers --kubernetes-version v1.23.15kubeadm init \
--kubernetes-version v1.23.15 \
--image-repository registry.aliyuncs.com/google_containers \
--pod-network-cidr10.244.0.0/16需要额外安装网络插件flannel
kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.ymlkube-flannel.yml的内容如下
---
kind: Namespace
apiVersion: v1
metadata:name: kube-flannellabels:k8s-app: flannelpod-security.kubernetes.io/enforce: privileged
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:labels:k8s-app: flannelname: flannel
rules:
- apiGroups:- resources:- podsverbs:- get
- apiGroups:- resources:- nodesverbs:- get- list- watch
- apiGroups:- resources:- nodes/statusverbs:- patch
- apiGroups:- networking.k8s.ioresources:- clustercidrsverbs:- list- watch
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:labels:k8s-app: flannelname: flannel
roleRef:apiGroup: rbac.authorization.k8s.iokind: ClusterRolename: flannel
subjects:
- kind: ServiceAccountname: flannelnamespace: kube-flannel
---
apiVersion: v1
kind: ServiceAccount
metadata:labels:k8s-app: flannelname: flannelnamespace: kube-flannel
---
kind: ConfigMap
apiVersion: v1
metadata:name: kube-flannel-cfgnamespace: kube-flannellabels:tier: nodek8s-app: flannelapp: 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-dsnamespace: kube-flannellabels:tier: nodeapp: flannelk8s-app: flannel
spec:selector:matchLabels:app: flanneltemplate:metadata:labels:tier: nodeapp: flannelspec:affinity:nodeAffinity:requiredDuringSchedulingIgnoredDuringExecution:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/osoperator: Invalues:- linuxhostNetwork: truepriorityClassName: system-node-criticaltolerations:- operator: Existseffect: NoScheduleserviceAccountName: flannelinitContainers:- name: install-cni-pluginimage: docker.io/flannel/flannel-cni-plugin:v1.2.0command:- cpargs:- -f- /flannel- /opt/cni/bin/flannelvolumeMounts:- name: cni-pluginmountPath: /opt/cni/bin- name: install-cniimage: docker.io/flannel/flannel:v0.22.3command:- cpargs:- -f- /etc/kube-flannel/cni-conf.json- /etc/cni/net.d/10-flannel.conflistvolumeMounts:- name: cnimountPath: /etc/cni/net.d- name: flannel-cfgmountPath: /etc/kube-flannel/containers:- name: kube-flannelimage: docker.io/flannel/flannel:v0.22.3command:- /opt/bin/flanneldargs:- --ip-masq- --kube-subnet-mgrresources:requests:cpu: 100mmemory: 50MisecurityContext:privileged: falsecapabilities:add: [NET_ADMIN, NET_RAW]env:- name: POD_NAMEvalueFrom:fieldRef:fieldPath: metadata.name- name: POD_NAMESPACEvalueFrom:fieldRef:fieldPath: metadata.namespace- name: EVENT_QUEUE_DEPTHvalue: 5000volumeMounts:- name: runmountPath: /run/flannel- name: flannel-cfgmountPath: /etc/kube-flannel/- name: xtables-lockmountPath: /run/xtables.lockvolumes:- name: runhostPath:path: /run/flannel- name: cni-pluginhostPath:path: /opt/cni/bin- name: cnihostPath:path: /etc/cni/net.d- name: flannel-cfgconfigMap:name: kube-flannel-cfg- name: xtables-lockhostPath:path: /run/xtables.locktype: FileOrCreate验证
kubectl version --client
kubectl cluster-info
