kubeadm快速部署kubernetes(1.13.1,HA)

curl -fsSL https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add -cat <<EOF >/etc/apt/sources.list.d/kubernetes.listdeb http://mirrors.aliyun.com/kubernetes/apt/ kubernetes-xenial mainEOFapt-get updateapt-get install -y kubelet kubeadm kubectl ipvsadm ipset

modprobe ip_vs && modprobe ip_vs_rr && modprobe ip_vs_wrr && modprobe ip_vs_sh

root@master01:~# vi /etc/modules# /etc/modules: kernel modules to load at boot time.## This file contains the names of kernel modules that should be loaded# at boot time, one per line. Lines beginning with "#" are ignored.ip_vs_rrip_vs_wrrip_vs_ship_vs

172.16.2.1 api.me172.16.2.2 api.me172.16.2.3 api.me

version:"3"services:dnsmasq:image:cloudnil/dnsmasq:2.76command:-q --log-facility=- --all-serversnetwork_mode:"host"cap_add:-NET_ADMINrestart:alwaysstdin_open:truetty:true

cat <<EOF >/etc/resolvconf/resolv.conf.d/basenameserver 172.16.2.251nameserver 172.16.2.252EOF

/etc/init.d/resolvconf restart

apiVersion:kubeadm.k8s.io/v1beta1kind:ClusterConfigurationimageRepository:registry.cn-hangzhou.aliyuncs.com/google_containersetcd:external:endpoints:-http://172.16.2.1:2379-http://172.16.2.2:2379-http://172.16.2.3:2379networking:serviceSubnet:10.96.0.0/12podSubnet:10.68.0.0/16kubernetesVersion:v1.13.1controlPlaneEndpoint:api.me:6443apiServer:certSANs:-api.me---apiVersion:kubelet.config.k8s.io/v1beta1kind:KubeletConfigurationsystemReserved:cpu:"0.25"memory:128MiimageGCHighThresholdPercent:85imageGCLowThresholdPercent:80imageMinimumGCAge:2m0s---apiVersion:kubeproxy.config.k8s.io/v1alpha1kind:KubeProxyConfigurationipvs:minSyncPeriod:1s#rr-轮询  wrr-加权轮询  sh-地址哈希scheduler:rrsyncPeriod:10smode:ipvs

registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.13.1registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.13.1registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.13.1registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.13.1registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.1registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.2.24registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:1.2.6

kubeadm init --config kubeadm-config.yaml

[init] Using Kubernetes version: v1.13.1[preflight] Running pre-flight checks  [WARNING SystemVerification]: this Docker version is not on the list of validated versions: 18.09.0. Latest validated version: 18.06[preflight] Pulling images required for setting up a Kubernetes cluster[preflight] This might take a minute or two, depending on the speed of your internet connection[preflight] You can also perform this action in beforehand using 'kubeadm config images pull'[kubelet-start] Writing kubelet environment file with flags to file "/var/lib/kubelet/kubeadm-flags.env"[kubelet-start] Writing kubelet configuration to file "/var/lib/kubelet/config.yaml"[kubelet-start] Activating the kubelet service[certs] Using certificateDir folder "/etc/kubernetes/pki"[certs] External etcd mode: Skipping etcd/ca certificate authority generation[certs] External etcd mode: Skipping apiserver-etcd-client certificate authority generation[certs] External etcd mode: Skipping etcd/server certificate authority generation[certs] External etcd mode: Skipping etcd/peer certificate authority generation[certs] External etcd mode: Skipping etcd/healthcheck-client certificate authority generation[certs] Generating "ca" certificate and key[certs] Generating "apiserver" certificate and key[certs] apiserver serving cert is signed for DNS names [master01 kubernetes kubernetes.default kubernetes.default.svc kubernetes.default.svc.cluster.local api.me api.me] and IPs [10.96.0.1 172.16.2.1][certs] Generating "apiserver-kubelet-client" certificate and key[certs] Generating "front-proxy-ca" certificate and key[certs] Generating "front-proxy-client" certificate and key[certs] Generating "sa" key and public key[kubeconfig] Using kubeconfig folder "/etc/kubernetes"[kubeconfig] Writing "admin.conf" kubeconfig file[kubeconfig] Writing "kubelet.conf" kubeconfig file[kubeconfig] Writing "controller-manager.conf" kubeconfig file[kubeconfig] Writing "scheduler.conf" kubeconfig file[control-plane] Using manifest folder "/etc/kubernetes/manifests"[control-plane] Creating static Pod manifest for "kube-apiserver"[control-plane] Creating static Pod manifest for "kube-controller-manager"[control-plane] Creating static Pod manifest for "kube-scheduler"[wait-control-plane] Waiting for the kubelet to boot up the control plane as static Pods from directory "/etc/kubernetes/manifests". This can take up to 4m0s[apiclient] All control plane components are healthy after 21.509043 seconds[uploadconfig] storing the configuration used in ConfigMap "kubeadm-config" in the "kube-system" Namespace[kubelet] Creating a ConfigMap "kubelet-config-1.13" in namespace kube-system with the configuration for the kubelets in the cluster[patchnode] Uploading the CRI Socket information "/var/run/dockershim.sock" to the Node API object "master01" as an annotation[mark-control-plane] Marking the node master01 as control-plane by adding the label "node-role.kubernetes.io/master=''"[mark-control-plane] Marking the node master01 as control-plane by adding the taints [node-role.kubernetes.io/master:NoSchedule][bootstrap-token] Using token: uhh19f.larqd6hbrknuqxg7[bootstrap-token] Configuring bootstrap tokens, cluster-info ConfigMap, RBAC Roles[bootstraptoken] configured RBAC rules to allow Node Bootstrap tokens to post CSRs in order for nodes to get long term certificate credentials[bootstraptoken] configured RBAC rules to allow the csrapprover controller automatically approve CSRs from a Node Bootstrap Token[bootstraptoken] configured RBAC rules to allow certificate rotation for all node client certificates in the cluster[bootstraptoken] creating the "cluster-info" ConfigMap in the "kube-public" namespace[addons] Applied essential addon: CoreDNS[addons] Applied essential addon: kube-proxyYour Kubernetes master has initialized successfully!To start using your cluster, you need to run the following as a regular user:  mkdir -p $HOME/.kube  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config  sudo chown $(id -u):$(id -g) $HOME/.kube/configYou should now deploy a pod network to the cluster.Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at:  https://kubernetes.io/docs/concepts/cluster-administration/addons/You can now join any number of machines by running the following on each nodeas root:  kubeadm join api.me:6443 --token uhj19f.laeqd6hbrkniqxg7 --discovery-token-ca-cert-hash sha256:aa570bd8126fa83b605540854f53c27840nc0ba7560ab6a6644ba75629194bea

mkdir -p $HOME/.kubesudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/configsudo chown $(id -u):$(id -g) $HOME/.kube/config

export KUBECONFIG=/etc/kubernetes/admin.conf

apiVersion:v1kind:ServiceAccountmetadata:name:calico-kube-controllersnamespace:kube-system---apiVersion:v1kind:ServiceAccountmetadata:name:calico-nodenamespace:kube-system---kind:ClusterRoleapiVersion:rbac.authorization.k8s.io/v1beta1metadata:name:calico-kube-controllersrules:-apiGroups:-""resources:-pods-nodes-namespaces-serviceaccountsverbs:-watch-list-apiGroups:-networking.k8s.ioresources:-networkpoliciesverbs:-watch-list---kind:ClusterRoleBindingapiVersion:rbac.authorization.k8s.io/v1beta1metadata:name:calico-kube-controllersroleRef:apiGroup:rbac.authorization.k8s.iokind:ClusterRolename:calico-kube-controllerssubjects:-kind:ServiceAccountname:calico-kube-controllersnamespace:kube-system---kind:ClusterRoleapiVersion:rbac.authorization.k8s.io/v1beta1metadata:name:calico-noderules:-apiGroups:[""]resources:-pods-nodes-namespacesverbs:-get-apiGroups:[""]resources:-endpoints-servicesverbs:-watch-list-apiGroups:[""]resources:-nodes/statusverbs:-patch---apiVersion:rbac.authorization.k8s.io/v1beta1kind:ClusterRoleBindingmetadata:name:calico-noderoleRef:apiGroup:rbac.authorization.k8s.iokind:ClusterRolename:calico-nodesubjects:-kind:ServiceAccountname:calico-nodenamespace:kube-system

# Calico Version v3.4.0# https://docs.projectcalico.org/v3.4/releases#v3.4.0# This manifest includes the following component versions:#   quay.io/calico/node:v3.4.0#   quay.io/calico/cni:v3.4.0#   quay.io/calico/kube-controllers:v3.4.0# This ConfigMap is used to configure a self-hosted Calico installation.kind:ConfigMapapiVersion:v1metadata:name:calico-confignamespace:kube-systemdata:# Configure this with the location of your etcd cluster.etcd_endpoints:"http://172.16.2.1:2379,http://172.16.2.2:2379,http://172.16.2.3:2379"# If you're using TLS enabled etcd uncomment the following.# You must also populate the Secret below with these files.etcd_ca:""# "/calico-secrets/etcd-ca"etcd_cert:""# "/calico-secrets/etcd-cert"etcd_key:""# "/calico-secrets/etcd-key"# Configure the Calico backend to use.calico_backend:"bird"# Configure the MTU to useveth_mtu:"1440"# The CNI network configuration to install on each node.  The special# values in this config will be automatically populated.cni_network_config:|-{"name": "k8s-pod-network","cniVersion": "0.3.0","plugins": [{"type": "calico","log_level": "info","etcd_endpoints": "__ETCD_ENDPOINTS__","etcd_key_file": "__ETCD_KEY_FILE__","etcd_cert_file": "__ETCD_CERT_FILE__","etcd_ca_cert_file": "__ETCD_CA_CERT_FILE__","mtu": __CNI_MTU__,"ipam": {"type": "calico-ipam"},"policy": {"type": "k8s"},"kubernetes": {"kubeconfig": "__KUBECONFIG_FILEPATH__"}},{"type": "portmap","snat": true,"capabilities": {"portMappings": true}}]}---# The following contains k8s Secrets for use with a TLS enabled etcd cluster.# For information on populating Secrets, see http://kubernetes.io/docs/user-guide/secrets/apiVersion:v1kind:Secrettype:Opaquemetadata:name:calico-etcd-secretsnamespace:kube-systemdata:# Populate the following with etcd TLS configuration if desired, but leave blank if# not using TLS for etcd.# The keys below should be uncommented and the values populated with the base64# encoded contents of each file that would be associated with the TLS data.# Example command for encoding a file contents: cat <file> | base64 -w 0# etcd-key: null# etcd-cert: null# etcd-ca: null---# This manifest installs the calico/node container, as well# as the Calico CNI plugins and network config on# each master and worker node in a Kubernetes cluster.kind:DaemonSetapiVersion:extensions/v1beta1metadata:name:calico-nodenamespace:kube-systemlabels:k8s-app:calico-nodespec:selector:matchLabels:k8s-app:calico-nodeupdateStrategy:type:RollingUpdaterollingUpdate:maxUnavailable:1template:metadata:labels:k8s-app:calico-nodeannotations:# This, along with the CriticalAddonsOnly toleration below,# marks the pod as a critical add-on, ensuring it gets# priority scheduling and that its resources are reserved# if it ever gets evicted.scheduler.alpha.kubernetes.io/critical-pod:''spec:nodeSelector:beta.kubernetes.io/os:linuxhostNetwork:truetolerations:# Make sure calico-node gets scheduled on all nodes.-effect:NoScheduleoperator:Exists# Mark the pod as a critical add-on for rescheduling.-key:CriticalAddonsOnlyoperator:Exists-effect:NoExecuteoperator:ExistsserviceAccountName:calico-node# Minimize downtime during a rolling upgrade or deletion; tell Kubernetes to do a "force# deletion": https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods.terminationGracePeriodSeconds:0initContainers:# This container installs the Calico CNI binaries# and CNI network config file on each node.-name:install-cniimage:quay.io/calico/cni:v3.4.0command:["/install-cni.sh"]env:# Name of the CNI config file to create.-name:CNI_CONF_NAMEvalue:"10-calico.conflist"# The CNI network config to install on each node.-name:CNI_NETWORK_CONFIGvalueFrom:configMapKeyRef:name:calico-configkey:cni_network_config# The location of the Calico etcd cluster.-name:ETCD_ENDPOINTSvalueFrom:configMapKeyRef:name:calico-configkey:etcd_endpoints# CNI MTU Config variable-name:CNI_MTUvalueFrom:configMapKeyRef:name:calico-configkey:veth_mtu# Prevents the container from sleeping forever.-name:SLEEPvalue:"false"volumeMounts:-mountPath:/host/opt/cni/binname:cni-bin-dir-mountPath:/host/etc/cni/net.dname:cni-net-dir-mountPath:/calico-secretsname:etcd-certscontainers:# Runs calico/node container on each Kubernetes node.  This# container programs network policy and routes on each# host.-name:calico-nodeimage:quay.io/calico/node:v3.4.0env:# The location of the Calico etcd cluster.-name:ETCD_ENDPOINTSvalueFrom:configMapKeyRef:name:calico-configkey:etcd_endpoints# Location of the CA certificate for etcd.-name:ETCD_CA_CERT_FILEvalueFrom:configMapKeyRef:name:calico-configkey:etcd_ca# Location of the client key for etcd.-name:ETCD_KEY_FILEvalueFrom:configMapKeyRef:name:calico-configkey:etcd_key# Location of the client certificate for etcd.-name:ETCD_CERT_FILEvalueFrom:configMapKeyRef:name:calico-configkey:etcd_cert# Set noderef for node controller.-name:CALICO_K8S_NODE_REFvalueFrom:fieldRef:fieldPath:spec.nodeName# Choose the backend to use.-name:CALICO_NETWORKING_BACKENDvalueFrom:configMapKeyRef:name:calico-configkey:calico_backend# Cluster type to identify the deployment type-name:CLUSTER_TYPEvalue:"k8s,bgp"# Auto-detect the BGP IP address.-name:IPvalue:"autodetect"# Enable IPIP-name:CALICO_IPV4POOL_IPIPvalue:"Always"# Set MTU for tunnel device used if ipip is enabled-name:FELIX_IPINIPMTUvalueFrom:configMapKeyRef:name:calico-configkey:veth_mtu# The default IPv4 pool to create on startup if none exists. Pod IPs will be# chosen from this range. Changing this value after installation will have# no effect. This should fall within `--cluster-cidr`.-name:CALICO_IPV4POOL_CIDRvalue:"10.68.0.0/16"# Disable file logging so `kubectl logs` works.-name:CALICO_DISABLE_FILE_LOGGINGvalue:"true"# Set Felix endpoint to host default action to ACCEPT.-name:FELIX_DEFAULTENDPOINTTOHOSTACTIONvalue:"ACCEPT"# Disable IPv6 on Kubernetes.-name:FELIX_IPV6SUPPORTvalue:"false"# Set Felix logging to "info"-name:FELIX_LOGSEVERITYSCREENvalue:"info"-name:FELIX_HEALTHENABLEDvalue:"true"securityContext:privileged:trueresources:requests:cpu:250mlivenessProbe:httpGet:path:/livenessport:9099host:localhostperiodSeconds:10initialDelaySeconds:10failureThreshold:6readinessProbe:exec:command:-/bin/calico-node--bird-ready--felix-readyperiodSeconds:10volumeMounts:-mountPath:/lib/modulesname:lib-modulesreadOnly:true-mountPath:/run/xtables.lockname:xtables-lockreadOnly:false-mountPath:/var/run/caliconame:var-run-calicoreadOnly:false-mountPath:/var/lib/caliconame:var-lib-calicoreadOnly:false-mountPath:/calico-secretsname:etcd-certsvolumes:# Used by calico/node.-name:lib-moduleshostPath:path:/lib/modules-name:var-run-calicohostPath:path:/var/run/calico-name:var-lib-calicohostPath:path:/var/lib/calico-name:xtables-lockhostPath:path:/run/xtables.locktype:FileOrCreate# Used to install CNI.-name:cni-bin-dirhostPath:path:/opt/cni/bin-name:cni-net-dirhostPath:path:/etc/cni/net.d# Mount in the etcd TLS secrets with mode 400.# See https://kubernetes.io/docs/concepts/configuration/secret/-name:etcd-certssecret:secretName:calico-etcd-secretsdefaultMode:0400---# This manifest deploys the Calico Kubernetes controllers.# See https://github.com/projectcalico/kube-controllersapiVersion:extensions/v1beta1kind:Deploymentmetadata:name:calico-kube-controllersnamespace:kube-systemlabels:k8s-app:calico-kube-controllersannotations:scheduler.alpha.kubernetes.io/critical-pod:''spec:# The controllers can only have a single active instance.replicas:1strategy:type:Recreatetemplate:metadata:name:calico-kube-controllersnamespace:kube-systemlabels:k8s-app:calico-kube-controllersspec:nodeSelector:beta.kubernetes.io/os:linux# The controllers must run in the host network namespace so that# it isn't governed by policy that would prevent it from working.hostNetwork:truetolerations:# Mark the pod as a critical add-on for rescheduling.-key:CriticalAddonsOnlyoperator:Exists-key:node-role.kubernetes.io/mastereffect:NoScheduleserviceAccountName:calico-kube-controllerscontainers:-name:calico-kube-controllersimage:quay.io/calico/kube-controllers:v3.4.0env:# The location of the Calico etcd cluster.-name:ETCD_ENDPOINTSvalueFrom:configMapKeyRef:name:calico-configkey:etcd_endpoints# Location of the CA certificate for etcd.-name:ETCD_CA_CERT_FILEvalueFrom:configMapKeyRef:name:calico-configkey:etcd_ca# Location of the client key for etcd.-name:ETCD_KEY_FILEvalueFrom:configMapKeyRef:name:calico-configkey:etcd_key# Location of the client certificate for etcd.-name:ETCD_CERT_FILEvalueFrom:configMapKeyRef:name:calico-configkey:etcd_cert# Choose which controllers to run.-name:ENABLED_CONTROLLERSvalue:policy,namespace,serviceaccount,workloadendpoint,nodevolumeMounts:# Mount in the etcd TLS secrets.-mountPath:/calico-secretsname:etcd-certsreadinessProbe:exec:command:-/usr/bin/check-status--rvolumes:# Mount in the etcd TLS secrets with mode 400.# See https://kubernetes.io/docs/concepts/configuration/secret/-name:etcd-certssecret:secretName:calico-etcd-secretsdefaultMode:0400

kubectl apply -f calico-rbac.ymlkubectl apply -f calico.yml

root@master01:~# kubectl get nodesNAME       STATUS   ROLES    AGE   VERSIONmaster01   Ready    master   13m   v1.13.1root@master01:~# kubectl get po -n kube-systemNAME                                       READY   STATUS    RESTARTS   AGEcalico-kube-controllers-697d964cc4-p8jcn   1/1     Running   0          32scalico-node-wg9l4                          1/1     Running   0          32scoredns-89cc84847-l48q8                    1/1     Running   0          13mcoredns-89cc84847-mf5nr                    1/1     Running   0          13mkube-apiserver-master01                    1/1     Running   0          12mkube-controller-manager-master01           1/1     Running   0          12mkube-proxy-9l287                           1/1     Running   0          13mkube-scheduler-master01                    1/1     Running   0          12m

USER=rootCONTROL_PLANE_IPS="172.16.2.2 172.16.2.3"for host in ${CONTROL_PLANE_IPS}; do    scp -i .ssh/cloudnil.pem /etc/kubernetes/pki/ca.crt "${USER}"@$host:/etc/kubernetes/pki    scp -i .ssh/cloudnil.pem /etc/kubernetes/pki/ca.key "${USER}"@$host:/etc/kubernetes/pki    scp -i .ssh/cloudnil.pem /etc/kubernetes/pki/sa.key "${USER}"@$host:/etc/kubernetes/pki    scp -i .ssh/cloudnil.pem /etc/kubernetes/pki/sa.pub "${USER}"@$host:/etc/kubernetes/pki    scp -i .ssh/cloudnil.pem /etc/kubernetes/pki/front-proxy-ca.crt "${USER}"@$host:/etc/kubernetes/pki    scp -i .ssh/cloudnil.pem /etc/kubernetes/pki/front-proxy-ca.key "${USER}"@$host:/etc/kubernetes/pki    scp -i .ssh/cloudnil.pem /etc/kubernetes/admin.conf "${USER}"@$host:/etc/kubernetes/admin.confdone

kubeadm join api.me:6443 --token uhj19f.laeqd6hbrkniqxg7 --discovery-token-ca-cert-hash sha256:aa570bd8126fa83b605540854f53c27840nc0ba7560ab6a6644ba75629194bea --experimental-control-plane

root@master01:~# kubectl get nodesNAME       STATUS   ROLES    AGE     VERSIONmaster01   Ready    master   25m     v1.13.1master02   Ready    master   8m6s    v1.13.1master03   Ready    master   7m33s   v1.13.1root@master01:~# kubectl get po -n kube-systemNAME                                       READY   STATUS    RESTARTS   AGEcalico-kube-controllers-697d964cc4-p8jcn   1/1     Running   0          12mcalico-node-lvnl8                          1/1     Running   0          7m35scalico-node-p8h5z                          1/1     Running   0          8m9scalico-node-wg9l4                          1/1     Running   0          12mcoredns-89cc84847-l48q8                    1/1     Running   0          25mcoredns-89cc84847-mf5nr                    1/1     Running   0          25mkube-apiserver-master01                    1/1     Running   0          24mkube-apiserver-master02                    1/1     Running   0          8m9skube-apiserver-master03                    1/1     Running   0          7m35skube-controller-manager-master01           1/1     Running   0          24mkube-controller-manager-master02           1/1     Running   0          8m9skube-controller-manager-master03           1/1     Running   0          7m35skube-proxy-9l287                           1/1     Running   0          25mkube-proxy-jmsfb                           1/1     Running   0          8m9skube-proxy-wzh62                           1/1     Running   0          7m35skube-scheduler-master01                    1/1     Running   0          24mkube-scheduler-master02                    1/1     Running   0          8m9skube-scheduler-master03                    1/1     Running   0          7m35s

kubeadm join api.me:6443 --token uhj19f.laeqd6hbrkniqxg7 --discovery-token-ca-cert-hash sha256:aa570bd8126fa83b605540854f53c27840nc0ba7560ab6a6644ba75629194bea

kubectl delete deploy coredns -n kube-system

apiVersion: apps/v1kind: Deploymentmetadata:  labels:    k8s-app: kube-dns  name: coredns  namespace: kube-systemspec:  #集群规模可自行配置  replicas: 3  selector:    matchLabels:      k8s-app: kube-dns  strategy:    rollingUpdate:      maxSurge: 25%      maxUnavailable: 1    type: RollingUpdate  template:    metadata:      labels:        k8s-app: kube-dns    spec:      affinity:        podAntiAffinity:          preferredDuringSchedulingIgnoredDuringExecution:          - weight: 100            podAffinityTerm:              labelSelector:                matchExpressions:                - key: k8s-app                  operator: In                  values:                  - kube-dns              topologyKey: kubernetes.io/hostname      containers:      - args:        - -conf        - /etc/coredns/Corefile        image: registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:1.2.6        imagePullPolicy: IfNotPresent        livenessProbe:          failureThreshold: 5          httpGet:            path: /health            port: 8080            scheme: HTTP          initialDelaySeconds: 60          periodSeconds: 10          successThreshold: 1          timeoutSeconds: 5        name: coredns        ports:        - containerPort: 53          name: dns          protocol: UDP        - containerPort: 53          name: dns-tcp          protocol: TCP        - containerPort: 9153          name: metrics          protocol: TCP        resources:          limits:            memory: 170Mi          requests:            cpu: 100m            memory: 70Mi        securityContext:          allowPrivilegeEscalation: false          capabilities:            add:            - NET_BIND_SERVICE            drop:            - all          readOnlyRootFilesystem: true        terminationMessagePath: /dev/termination-log        terminationMessagePolicy: File        volumeMounts:        - mountPath: /etc/coredns          name: config-volume          readOnly: true      dnsPolicy: Default      restartPolicy: Always      schedulerName: default-scheduler      securityContext: {}      serviceAccount: coredns      serviceAccountName: coredns      terminationGracePeriodSeconds: 30      tolerations:      - key: CriticalAddonsOnly        operator: Exists      - effect: NoSchedule        key: node-role.kubernetes.io/master      volumes:      - configMap:          defaultMode: 420          items:          - key: Corefile            path: Corefile          name: coredns        name: config-volume

---apiVersion:v1kind:ServiceAccountmetadata:name:metrics-servernamespace:kube-system---apiVersion:apps/v1kind:Deploymentmetadata:name:metrics-servernamespace:kube-systemlabels:k8s-app:metrics-serverspec:selector:matchLabels:k8s-app:metrics-servertemplate:metadata:name:metrics-serverlabels:k8s-app:metrics-serverspec:tolerations:-key:node-role.kubernetes.io/mastereffect:NoScheduleserviceAccountName:metrics-servervolumes:# mount in tmp so we can safely use from-scratch images and/or read-only containers-name:tmp-diremptyDir:{}containers:-name:metrics-serverimage:cloudnil/metrics-server-amd64:v0.3.1imagePullPolicy:Alwayscommand:-/metrics-server---kubelet-insecure-tls---kubelet-preferred-address-types=InternalIPvolumeMounts:-name:tmp-dirmountPath:/tmp

kubectl apply -f metrics-server/

root@master01:~# kubectl top nodesNAME       CPU(cores)   CPU%   MEMORY(bytes)   MEMORY%   master01   153m         8%     1748Mi          46%       master02   108m         6%     1250Mi          33%       master03   91m          5%     1499Mi          40%       node01     256m         7%     1047Mi          13%       node02     196m         5%     976Mi           10%       node03     206m         5%     907Mi           12%

curl -O https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml

apiVersion:v1kind:Secretmetadata:labels:k8s-app:kubernetes-dashboardname:kubernetes-dashboard-certsnamespace:kube-systemtype:Opaque---apiVersion:v1kind:ServiceAccountmetadata:labels:k8s-app:kubernetes-dashboardname:kubernetes-dashboardnamespace:kube-system---kind:RoleapiVersion:rbac.authorization.k8s.io/v1metadata:name:kubernetes-dashboard-minimalnamespace:kube-systemrules:# Allow Dashboard to create 'kubernetes-dashboard-key-holder' secret.-apiGroups:[""]resources:["secrets"]verbs:["create"]# Allow Dashboard to create 'kubernetes-dashboard-settings' config map.-apiGroups:[""]resources:["configmaps"]verbs:["create"]# Allow Dashboard to get, update and delete Dashboard exclusive secrets.-apiGroups:[""]resources:["secrets"]resourceNames:["kubernetes-dashboard-key-holder","kubernetes-dashboard-certs"]verbs:["get","update","delete"]# Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map.-apiGroups:[""]resources:["configmaps"]resourceNames:["kubernetes-dashboard-settings"]verbs:["get","update"]# Allow Dashboard to get metrics from heapster.-apiGroups:[""]resources:["services"]resourceNames:["heapster"]verbs:["proxy"]-apiGroups:[""]resources:["services/proxy"]resourceNames:["heapster","http:heapster:","https:heapster:"]verbs:["get"]---apiVersion:rbac.authorization.k8s.io/v1kind:RoleBindingmetadata:name:kubernetes-dashboard-minimalnamespace:kube-systemroleRef:apiGroup:rbac.authorization.k8s.iokind:Rolename:kubernetes-dashboard-minimalsubjects:-kind:ServiceAccountname:kubernetes-dashboardnamespace:kube-system---kind:DeploymentapiVersion:apps/v1metadata:labels:k8s-app:kubernetes-dashboardname:kubernetes-dashboardnamespace:kube-systemspec:replicas:1revisionHistoryLimit:10selector:matchLabels:k8s-app:kubernetes-dashboardtemplate:metadata:labels:k8s-app:kubernetes-dashboardspec:containers:-name:kubernetes-dashboardimage:registry.cn-hangzhou.aliyuncs.com/google_containers/kubernetes-dashboard-amd64:v1.10.0ports:-containerPort:8443protocol:TCPargs:---auto-generate-certificatesvolumeMounts:-name:kubernetes-dashboard-certsmountPath:/certs# Create on-disk volume to store exec logs-mountPath:/tmpname:tmp-volumelivenessProbe:httpGet:scheme:HTTPSpath:/port:8443initialDelaySeconds:30timeoutSeconds:30volumes:-name:kubernetes-dashboard-certssecret:secretName:kubernetes-dashboard-certs-name:tmp-volumeemptyDir:{}serviceAccountName:kubernetes-dashboardtolerations:-key:node-role.kubernetes.io/mastereffect:NoSchedule---kind:ServiceapiVersion:v1metadata:labels:k8s-app:kubernetes-dashboardname:kubernetes-dashboardnamespace:kube-systemspec:ports:-port:443targetPort:8443selector:k8s-app:kubernetes-dashboard---apiVersion:extensions/v1beta1kind:Ingressmetadata:name:dashboard-ingressnamespace:kube-systemspec:rules:-host:dashboard.cloudnil.comhttp:paths:-path:/backend:serviceName:kubernetes-dashboardservicePort:443

#直接暴露Pod端口到本地kubectl port-forward  pod/kubernetes-dashboard-fc78cd558-thdrv --address 0.0.0.0 12345:9090#直接暴露Service端口到本地kubectl port-forward  svc/kubernetes-dashboard --address 0.0.0.0 12345:80

apiVersion:v1kind:Namespacemetadata:name:ingress-nginx---kind:ConfigMapapiVersion:v1metadata:name:nginx-configurationnamespace:ingress-nginxlabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginx---kind:ConfigMapapiVersion:v1metadata:name:tcp-servicesnamespace:ingress-nginxlabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginx---kind:ConfigMapapiVersion:v1metadata:name:udp-servicesnamespace:ingress-nginxlabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginx---apiVersion:v1kind:ServiceAccountmetadata:name:nginx-ingress-serviceaccountnamespace:ingress-nginxlabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginx---apiVersion:rbac.authorization.k8s.io/v1beta1kind:ClusterRolemetadata:name:nginx-ingress-clusterrolelabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginxrules:-apiGroups:-""resources:-configmaps-endpoints-nodes-pods-secretsverbs:-list-watch-apiGroups:-""resources:-nodesverbs:-get-apiGroups:-""resources:-servicesverbs:-get-list-watch-apiGroups:-"extensions"resources:-ingressesverbs:-get-list-watch-apiGroups:-""resources:-eventsverbs:-create-patch-apiGroups:-"extensions"resources:-ingresses/statusverbs:-update---apiVersion:rbac.authorization.k8s.io/v1beta1kind:Rolemetadata:name:nginx-ingress-rolenamespace:ingress-nginxlabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginxrules:-apiGroups:-""resources:-configmaps-pods-secrets-namespacesverbs:-get-apiGroups:-""resources:-configmapsresourceNames:-"ingress-controller-leader-nginx"verbs:-get-update-apiGroups:-""resources:-configmapsverbs:-create-apiGroups:-""resources:-endpointsverbs:-get---apiVersion:rbac.authorization.k8s.io/v1beta1kind:RoleBindingmetadata:name:nginx-ingress-role-nisa-bindingnamespace:ingress-nginxlabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginxroleRef:apiGroup:rbac.authorization.k8s.iokind:Rolename:nginx-ingress-rolesubjects:-kind:ServiceAccountname:nginx-ingress-serviceaccountnamespace:ingress-nginx---apiVersion:rbac.authorization.k8s.io/v1beta1kind:ClusterRoleBindingmetadata:name:nginx-ingress-clusterrole-nisa-bindinglabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginxroleRef:apiGroup:rbac.authorization.k8s.iokind:ClusterRolename:nginx-ingress-clusterrolesubjects:-kind:ServiceAccountname:nginx-ingress-serviceaccountnamespace:ingress-nginx---apiVersion:apps/v1kind:Deploymentmetadata:name:nginx-ingress-controllernamespace:ingress-nginxlabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginxspec:replicas:3selector:matchLabels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginxtemplate:metadata:labels:app.kubernetes.io/name:ingress-nginxapp.kubernetes.io/part-of:ingress-nginxannotations:prometheus.io/port:"10254"prometheus.io/scrape:"true"spec:hostNetwork:trueaffinity:nodeAffinity:requiredDuringSchedulingIgnoredDuringExecution:nodeSelectorTerms:-matchExpressions:-key:kubernetes.io/hostnameoperator:Invalues:-master01-master02-master03podAntiAffinity:requiredDuringSchedulingIgnoredDuringExecution:-labelSelector:matchExpressions:-key:app.kubernetes.io/nameoperator:Invalues:-ingress-nginxtopologyKey:"kubernetes.io/hostname"tolerations:-key:node-role.kubernetes.io/mastereffect:NoScheduleserviceAccountName:nginx-ingress-serviceaccountcontainers:-name:nginx-ingress-controllerimage:registry.cn-hangzhou.aliyuncs.com/google_containers/nginx-ingress-controller:0.21.0args:-/nginx-ingress-controller---configmap=$(POD_NAMESPACE)/nginx-configuration---tcp-services-configmap=$(POD_NAMESPACE)/tcp-services---udp-services-configmap=$(POD_NAMESPACE)/udp-services# - --publish-service=$(POD_NAMESPACE)/ingress-nginx---annotations-prefix=nginx.ingress.kubernetes.iosecurityContext:capabilities:drop:-ALLadd:-NET_BIND_SERVICE# www-data -> 33runAsUser:33env:-name:POD_NAMEvalueFrom:fieldRef:fieldPath:metadata.name-name:POD_NAMESPACEvalueFrom:fieldRef:fieldPath:metadata.namespaceports:-name:httpcontainerPort:80-name:httpscontainerPort:443livenessProbe:failureThreshold:3httpGet:path:/healthzport:10254scheme:HTTPinitialDelaySeconds:10periodSeconds:10successThreshold:1timeoutSeconds:1readinessProbe:failureThreshold:3httpGet:path:/healthzport:10254scheme:HTTPperiodSeconds:10successThreshold:1timeoutSeconds:1resources:limits:cpu:1memory:1024Mirequests:cpu:0.25memory:512Mi