k8sV1.18.0版本一键部署脚本(全部代码在下方)

k8sV1.18.0版本一键部署脚本(全部代码在下方)

本次操作环境

IP 备注
192.168.1.10 master
192.168.1.20 node
192.168.1.30 node

操作效果

在这里插入图片描述
在这里插入图片描述

用的时候最好看脚本变量、主机解析等。适当修改

node01脚本(用的时候最好看脚本,适当修改)

vi /root/kubernetes_node01.sh

#!/bin/bash
##############
##环境初始化##
##############
#k8s版本
version=v1.18.0
kubelet=kubelet-1.18.0-0.x86_64
kubeadm=kubeadm-1.18.0-0.x86_64
kubectl=kubectl-1.18.0-0.x86_64
#集群加入方式
key=/root/key.txt
#部署flannel网络
flannel=/root/kube-flannel.yml
#安装必要依赖
yum -y install vim wget git cmake make gcc gcc-c++ net-tools lrzsz
#主机解析,免密登录
node01=192.168.1.10
node02=192.168.1.20
node03=192.168.1.30
hostnamectl set-hostname node01 
echo  '192.168.1.10 node01 192.168.1.20 node02 192.168.1.30 node03' >> /etc/hosts
ssh-keygen
ssh-copy-id  -i $node01
ssh-copy-id  -i $node02
ssh-copy-id  -i $node03
scp /etc/hosts node02:/etc/hosts
scp /etc/hosts node03:/etc/hosts
#关闭防火墙
systemctl stop firewalld
systemctl disable firewalld
#swap分区关闭
swapoff -a 
sed -i 's/.*swap.*/#&/' /etc/fstab
#关闭沙盒
setenforce  0 
sed -i "s/^SELINUX=enforcing/SELINUX=disabled/g" /etc/sysconfig/selinux 
sed -i "s/^SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config 
sed -i "s/^SELINUX=permissive/SELINUX=disabled/g" /etc/sysconfig/selinux 
sed -i "s/^SELINUX=permissive/SELINUX=disabled/g" /etc/selinux/config  
#打开ipv6
modprobe br_netfilter
modprobe  ip_vs_rr
cat <<EOF >  /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
vm.swappiness = 0 
EOF
sysctl -p /etc/sysctl.d/k8s.conf
ls /proc/sys/net/bridge
#安装epel源
yum install -y epel-release
yum install -y yum-utils device-mapper-persistent-data lvm2 net-tools conntrack-tools wget vim  ntpdate libseccomp libtool-ltdl 
#时区校准
systemctl enable ntpdate.service
echo '*/30 * * * * /usr/sbin/ntpdate time7.aliyun.com >/dev/null 2>&1' > /tmp/crontab2.tmp
crontab /tmp/crontab2.tmp
systemctl start ntpdate.service
#添加参数
echo "* soft nofile 65536" >> /etc/security/limits.conf
echo "* hard nofile 65536" >> /etc/security/limits.conf
echo "* soft nproc 65536"  >> /etc/security/limits.conf
echo "* hard nproc 65536"  >> /etc/security/limits.conf
echo "* soft memlock unlimited"  >> /etc/security/limits.conf
echo "* hard memlock unlimited"  >> /etc/security/limits.conf
#添加kubernetes的epel源
echo '[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' > /etc/yum.repos.d/kubernetes.repo
#下载
sudo yum-config-manager \
--add-repo \
https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
yum -y install docker-ce
yum install --enablerepo="kubernetes" $kubelet $kubeadm  $kubectl
systemctl enable kubelet.service && systemctl start kubelet.service
systemctl start docker.service &&  systemctl enable docker.service
#安装tab快捷键
yum -y  install bash-completion && source /usr/share/bash-completion/bash_completion && source <(kubectl completion bash) && echo "source <(kubectl completion bash)" >> ~/.bashrc
#创建集群
kubeadm init --apiserver-advertise-address $node01 --image-repository registry.aliyuncs.com/google_containers --kubernetes-version $version --pod-network-cidr=10.244.0.0/16 >> $key  2>&1
export KUBECONFIG=/etc/kubernetes/admin.conf
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
docker pull quay.io/coreos/flannel:v0.12.0-amd64
kubectl apply -f $flannel
echo  '请手动查看$key文件的密钥将其他节点接入集群'

node01节点flannle文件

vi /root/kube-flannel.yml

---
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: kubernetes.io/os
operator: In
values:
- linux
- key: kubernetes.io/arch
operator: In
values:
- amd64
hostNetwork: true
tolerations:
- operator: Exists
effect: NoSchedule
serviceAccountName: flannel
initContainers:
- name: install-cni
image: quay.io/coreos/flannel:v0.12.0-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.io/coreos/flannel:v0.12.0-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: kubernetes.io/os
operator: In
values:
- linux
- key: kubernetes.io/arch
operator: In
values:
- arm64
hostNetwork: true
tolerations:
- operator: Exists
effect: NoSchedule
serviceAccountName: flannel
initContainers:
- name: install-cni
image: quay.io/coreos/flannel:v0.12.0-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.io/coreos/flannel:v0.12.0-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: kubernetes.io/os
operator: In
values:
- linux
- key: kubernetes.io/arch
operator: In
values:
- arm
hostNetwork: true
tolerations:
- operator: Exists
effect: NoSchedule
serviceAccountName: flannel
initContainers:
- name: install-cni
image: quay.io/coreos/flannel:v0.12.0-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.io/coreos/flannel:v0.12.0-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: kubernetes.io/os
operator: In
values:
- linux
- key: kubernetes.io/arch
operator: In
values:
- ppc64le
hostNetwork: true
tolerations:
- operator: Exists
effect: NoSchedule
serviceAccountName: flannel
initContainers:
- name: install-cni
image: quay.io/coreos/flannel:v0.12.0-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.io/coreos/flannel:v0.12.0-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: kubernetes.io/os
operator: In
values:
- linux
- key: kubernetes.io/arch
operator: In
values:
- s390x
hostNetwork: true
tolerations:
- operator: Exists
effect: NoSchedule
serviceAccountName: flannel
initContainers:
- name: install-cni
image: quay.io/coreos/flannel:v0.12.0-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.io/coreos/flannel:v0.12.0-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

node02节点脚本

vi /root/kubernetes_node02.sh

#!/bin/bash
##############
##环境初始化##
##############
#k8s版本
version=v1.18.0
kubelet=kubelet-1.18.0-0.x86_64
kubeadm=kubeadm-1.18.0-0.x86_64
kubectl=kubectl-1.18.0-0.x86_64
#集群加入方式
key=/root/key.txt
#部署flannel网络
flannel=/root/kube-flannel.yml
#安装必要依赖
yum -y install vim wget git cmake make gcc gcc-c++ net-tools lrzsz
#主机解析,免密登录
node01=192.168.1.10
node02=192.168.1.20
node03=192.168.1.30
hostnamectl set-hostname node02 
echo  '192.168.1.10 node01 192.168.1.20 node02 192.168.1.30 node03' >> /etc/hosts
ssh-keygen
ssh-copy-id  -i $node01
ssh-copy-id  -i $node02
ssh-copy-id  -i $node03
scp /etc/hosts node02:/etc/hosts
scp /etc/hosts node03:/etc/hosts
#关闭防火墙
systemctl stop firewalld
systemctl disable firewalld
#swap分区关闭
swapoff -a 
sed -i 's/.*swap.*/#&/' /etc/fstab
#关闭沙盒
setenforce  0 
sed -i "s/^SELINUX=enforcing/SELINUX=disabled/g" /etc/sysconfig/selinux 
sed -i "s/^SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config 
sed -i "s/^SELINUX=permissive/SELINUX=disabled/g" /etc/sysconfig/selinux 
sed -i "s/^SELINUX=permissive/SELINUX=disabled/g" /etc/selinux/config  
#打开ipv6
modprobe br_netfilter
modprobe  ip_vs_rr
cat <<EOF >  /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
vm.swappiness = 0 
EOF
sysctl -p /etc/sysctl.d/k8s.conf
ls /proc/sys/net/bridge
#安装epel源
yum install -y epel-release
yum install -y yum-utils device-mapper-persistent-data lvm2 net-tools conntrack-tools wget vim  ntpdate libseccomp libtool-ltdl 
#时区校准
systemctl enable ntpdate.service
echo '*/30 * * * * /usr/sbin/ntpdate time7.aliyun.com >/dev/null 2>&1' > /tmp/crontab2.tmp
crontab /tmp/crontab2.tmp
systemctl start ntpdate.service
#添加参数
echo "* soft nofile 65536" >> /etc/security/limits.conf
echo "* hard nofile 65536" >> /etc/security/limits.conf
echo "* soft nproc 65536"  >> /etc/security/limits.conf
echo "* hard nproc 65536"  >> /etc/security/limits.conf
echo "* soft memlock unlimited"  >> /etc/security/limits.conf
echo "* hard memlock unlimited"  >> /etc/security/limits.conf
#添加kubernetes的epel源
echo '[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' > /etc/yum.repos.d/kubernetes.repo
#下载
sudo yum-config-manager \
--add-repo \
https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
yum -y install docker-ce
yum install --enablerepo="kubernetes" $kubelet $kubeadm  $kubectl
systemctl enable kubelet.service && systemctl start kubelet.service
systemctl start docker.service &&  systemctl enable docker.service
#安装tab快捷键
yum -y  install bash-completion && source /usr/share/bash-completion/bash_completion && source <(kubectl completion bash) && echo "source <(kubectl completion bash)" >> ~/.bashrc
#创建集群
docker pull quay.io/coreos/flannel:v0.12.0-amd64
echo  '请手动查看主节点$key文件的密钥将其他节点接入集群'

node03节点脚本

vi /root/kubernetes_node03.sh

#!/bin/bash
##############
##环境初始化##
##############
#k8s版本
version=v1.18.0
kubelet=kubelet-1.18.0-0.x86_64
kubeadm=kubeadm-1.18.0-0.x86_64
kubectl=kubectl-1.18.0-0.x86_64
#集群加入方式
key=/root/key.txt
#部署flannel网络
flannel=/root/kube-flannel.yml
#安装必要依赖
yum -y install vim wget git cmake make gcc gcc-c++ net-tools lrzsz
#主机解析,免密登录
node01=192.168.1.10
node02=192.168.1.20
node03=192.168.1.30
hostnamectl set-hostname node03 
echo  '192.168.1.10 node01 192.168.1.20 node02 192.168.1.30 node03' >> /etc/hosts
ssh-keygen
ssh-copy-id  -i $node01
ssh-copy-id  -i $node02
ssh-copy-id  -i $node03
#关闭防火墙
systemctl stop firewalld
systemctl disable firewalld
#swap分区关闭
swapoff -a 
sed -i 's/.*swap.*/#&/' /etc/fstab
#关闭沙盒
setenforce  0 
sed -i "s/^SELINUX=enforcing/SELINUX=disabled/g" /etc/sysconfig/selinux 
sed -i "s/^SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config 
sed -i "s/^SELINUX=permissive/SELINUX=disabled/g" /etc/sysconfig/selinux 
sed -i "s/^SELINUX=permissive/SELINUX=disabled/g" /etc/selinux/config  
#打开ipv6
modprobe br_netfilter
modprobe  ip_vs_rr
cat <<EOF >  /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
vm.swappiness = 0 
EOF
sysctl -p /etc/sysctl.d/k8s.conf
ls /proc/sys/net/bridge
#安装epel源
yum install -y epel-release
yum install -y yum-utils device-mapper-persistent-data lvm2 net-tools conntrack-tools wget vim  ntpdate libseccomp libtool-ltdl 
#时区校准
systemctl enable ntpdate.service
echo '*/30 * * * * /usr/sbin/ntpdate time7.aliyun.com >/dev/null 2>&1' > /tmp/crontab2.tmp
crontab /tmp/crontab2.tmp
systemctl start ntpdate.service
#添加参数
echo "* soft nofile 65536" >> /etc/security/limits.conf
echo "* hard nofile 65536" >> /etc/security/limits.conf
echo "* soft nproc 65536"  >> /etc/security/limits.conf
echo "* hard nproc 65536"  >> /etc/security/limits.conf
echo "* soft memlock unlimited"  >> /etc/security/limits.conf
echo "* hard memlock unlimited"  >> /etc/security/limits.conf
#添加kubernetes的epel源
echo '[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' > /etc/yum.repos.d/kubernetes.repo
#下载
sudo yum-config-manager \
--add-repo \
https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
yum -y install docker-ce
yum install --enablerepo="kubernetes" $kubelet $kubeadm  $kubectl
systemctl enable kubelet.service && systemctl start kubelet.service
systemctl start docker.service &&  systemctl enable docker.service
#安装tab快捷键
yum -y  install bash-completion && source /usr/share/bash-completion/bash_completion && source <(kubectl completion bash) && echo "source <(kubectl completion bash)" >> ~/.bashrc
#安装flannel镜像
docker pull quay.io/coreos/flannel:v0.12.0-amd64
echo  '请手动查看主节点$key文件的密钥将其他节点接入集群'

操作顺序

node01节点:
在root目录下放一个k8s脚本和flannel的文件
然后进行执行k8s脚本
chmod +x kubernetes_node01.sh
./kubernetes_node01.sh
然后执行完毕会把kubeadm初始化集群的结果输出到root目录下的key文件
node02、node03节点:
执行脚本
./kubernetes_node02.sh
./kubernetes_node03.sh
脚本执行完毕后然后将node01节点key文件最后输出的添加集群的方式进行复制到node02、03节点进行添加集群即可

常用命令

查看集群状态
kubectl get nodes
查看pod运行状况
kubectl get pods --all-namespaces
查看k8s组件状况
kubectl get cs

关于k8s的Tab键

yum -y  install bash-completion
source /usr/share/bash-completion/bash_completion
source <(kubectl completion bash)
echo "source <(kubectl completion bash)" >> ~/.bashrc
版权声明:本文内容由互联网用户自发贡献,该文观点仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 举报,一经查实,本站将立刻删除。

发布者:全栈程序员-用户IM,转载请注明出处:https://javaforall.cn/101912.html原文链接:https://javaforall.cn

【正版授权,激活自己账号】: Jetbrains全家桶Ide使用,1年售后保障,每天仅需1毛

【官方授权 正版激活】: 官方授权 正版激活 支持Jetbrains家族下所有IDE 使用个人JB账号...

(0)
blank

相关推荐

  • 三、设计模式介绍—她是谁,我们要去哪里? #和设计模式一起旅行#

    模式模式(Pattern),指事物的标准样式,百度百科上面说的,其实说白了模式就是我们现在说的套路!模式 == 套路模式是一种思想,说大了特别的复杂和深奥,不管怎么样模式的使用可以解决特定场景下特定的问题!准确表达:模式是在特定环境下人们解决某类重复出现问题的一套成功或有效的解决方案。软件模式那么在软件中使用模式,就是软件模式(Software Pattern),用…

  • FilterDispatcher处理流程「建议收藏」

    FilterDispatcher处理流程「建议收藏」org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter前身是:org.apache.struts2.dispatcher.FilterDispatcher请求被web.xml中定义的过滤器拦截。3层过滤器处理:ActionContextCleanUp,其他过滤器(OtherFilters,SiteM…

  • c++的字符串数组string[通俗易懂]

    c++的字符串数组string[通俗易懂]用字符数组来存放字符串并不是最理想和最安全的方法。C++提供了一种新的数据类型——字符串类型(string类型),在使用方法上,它和char、int类型一样,可以用来定义变量,这就是字符串变量——用一个名字代表一个字符序列。实际上,string并不是C++语言本身具有的基本类型,它是在C++标准库中声明的一个字符串类,用这种类可以定义对象。每一个字符串变量都是string类的一个对象。一、字符…

    2022年10月31日
  • numpy数据类型dtype转换

    numpy数据类型dtype转换这篇文章我们玩玩numpy的数值数据类型转换 导入numpy&gt;&gt;&gt;importnumpyasnp 一、随便玩玩生成一个浮点数组&gt;&gt;&gt;a=np.random.random(4)看看信息&gt;&gt;&gt;aarray([0.0945377,0.52199916,0.62490646,…

  • bWAPP练习

    bWAPP练习简介虚拟机下载地址: https://www.vulnhub.com/entry/bwapp-bee-box-v16,53/如果你想自己去部署环境:https://sourceforge.net/projects/bwapp/files/bee-box/bWAPP包含有100多个漏洞,包括OWASPTop10安全风险,很爽的PHPweb靶机。登录username:bee pas…

  • 关于ASP.Net的validateRequest=false(验证请求)[通俗易懂]

    关于ASP.Net的validateRequest=false(验证请求)[通俗易懂]ASP.Net的validateRequest=false      validateRequest=”false”  指是否要IIS验证页面提交的非法字符,比如:>,   ASP.Net1.1后引入了对提交表单自动检查是否存在XSS(跨站脚本攻击)的能力。当用户试图用之类的输入影响页面返回结果的时候,ASP.Net的引擎会引发一个HttpReques

发表回复

您的电子邮箱地址不会被公开。

关注全栈程序员社区公众号