K8s完整单节点二进制部署（实战必备！）-创新互联
搭建步骤：
1：自签ETCD证书
2：ETCD部署
3：Node安装docker
4：Flannel部署（先写入子网到etcd）
---------master----------
5：自签APIServer证书
6：部署APIServer组件（token，csv）
7：部署controller-manager（指定apiserver证书）和scheduler组件
----------node----------
8：生成kubeconfig（bootstrap，kubeconfig和kube-proxy.kubeconfig）
9：部署kubelet组件
10：部署kube-proxy组件
----------加入群集----------
11：kubectl get csr && kubectl certificate approve 允许办法证书，加入群集
12：添加一个node节点
13：查看kubectl get node 节点站在用户的角度思考问题，与客户深入沟通，找到阿荣网站设计与阿荣网站推广的解决方案，凭借多年的经验，让设计与互联网技术结合，创造个性化、用户体验好的作品，建站类型包括：成都网站建设、网站设计、企业官网、英文网站、手机端网站、网站推广、域名注册、虚拟空间、企业邮箱。业务覆盖阿荣地区。
环境准备：
master节点：
CentOS 7-3：192.168.18.128
node节点：
CentOS 7-4：192.168.18.148 docker
CentOS 7-5：192.168.18.145 docker
Mester7-3：
[root@master ~]# mkdir k8s
[root@master ~]# cd k8s/
[root@master k8s]# mkdir etcd-cert
[root@master k8s]# mv etcd-cert.sh etcd-cert
[root@master k8s]# ls
etcd-cert etcd.sh
[root@master k8s]# vim cfssl.sh
curl -L https://pkg.cfssl.org/R1.2/cfssl_linux-amd64 -o /usr/local/bin/cfssl
curl -L https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64 -o /usr/local/bin/cfssljson
curl -L https://pkg.cfssl.org/R1.2/cfssl-certinfo_linux-amd64 -o /usr/local/bin/cfssl-certinfo
chmod +x /usr/local/bin/cfssl /usr/local/bin/cfssljson /usr/local/bin/cfssl-certinfo
[root@master k8s]# bash cfssl.sh
[root@master k8s]# ls /usr/local/bin/
cfssl cfssl-certinfo cfssljson
[root@master k8s]# cd etcd-cert/
`定义CA证书`
cat > ca-config.json < ca-csr.json < server-csr.json < 上传以下三个压缩包进行解压：
[root@master etcd-cert]# ls
ca-config.json etcd-cert.sh server-csr.json
ca.csr etcd-v3.3.10-linux-amd64.tar.gz server-key.pem
ca-csr.json flannel-v0.10.0-linux-amd64.tar.gz server.pem
ca-key.pem kubernetes-server-linux-amd64.tar.gz
ca.pem server.csr
[root@master etcd-cert]# mv *.tar.gz ../
[root@master etcd-cert]# cd ../
[root@master k8s]# ls
cfssl.sh etcd.sh flannel-v0.10.0-linux-amd64.tar.gz
etcd-cert etcd-v3.3.10-linux-amd64.tar.gz kubernetes-server-linux-amd64.tar.gz
[root@master k8s]# tar zxvf etcd-v3.3.10-linux-amd64.tar.gz
[root@master k8s]# ls etcd-v3.3.10-linux-amd64
Documentation etcd etcdctl README-etcdctl.md README.md READMEv2-etcdctl.md
[root@master k8s]# mkdir /opt/etcd/{cfg,bin,ssl} -p
[root@master k8s]# mv etcd-v3.3.10-linux-amd64/etcd etcd-v3.3.10-linux-amd64/etcdctl /opt/etcd/bin/
`证书拷贝`
[root@master k8s]# cp etcd-cert/*.pem /opt/etcd/ssl/
`进入卡住状态等待其他节点加入`
[root@master k8s]# bash etcd.sh etcd01 192.168.18.128 etcd02=https://192.168.18.148:2380,etcd03=https://192.168.18.145:2380
Created symlink from /etc/systemd/system/multi-user.target.wants/etcd.service to /usr/lib/systemd/system/etcd.service.此时新打开一个7-3的远程连接终端：
[root@master ~]# ps -ef | grep etcd
root 3479 1780 0 11:48 pts/0 00:00:00 bash etcd.sh etcd01 192.168.18.128 etcd02=https://192.168.195.148:2380,etcd03=https://192.168.195.145:2380
root 3530 3479 0 11:48 pts/0 00:00:00 systemctl restart etcd
root 3540 1 1 11:48 ? 00:00:00 /opt/etcd/bin/etcd
--name=etcd01 --data-dir=/var/lib/etcd/default.etcd
--listen-peer-urls=https://192.168.18.128:2380
--listen-client-urls=https://192.168.18.128:2379,http://127.0.0.1:2379
--advertise-client-urls=https://192.168.18.128:2379
--initial-advertise-peer-urls=https://192.168.18.128:2380
--initial-cluster=etcd01=https://192.168.18.128:2380,etcd02=https://192.168.195.148:2380,etcd03=https://192.168.195.145:2380
--initial-cluster-token=etcd-cluster
--initial-cluster-state=new
--cert-file=/opt/etcd/ssl/server.pem
--key-file=/opt/etcd/ssl/server-key.pem
--peer-cert-file=/opt/etcd/ssl/server.pem
--peer-key-file=/opt/etcd/ssl/server-key.pem
--trusted-ca-file=/opt/etcd/ssl/ca.pem
--peer-trusted-ca-file=/opt/etcd/ssl/ca.pem
root 3623 3562 0 11:49 pts/1 00:00:00 grep --color=auto etcd`拷贝证书去其他节点`
[root@master k8s]# scp -r /opt/etcd/ root@192.168.18.148:/opt/
The authenticity of host '192.168.18.148 (192.168.18.148)' can't be established.
ECDSA key fingerprint is SHA256:mTT+FEtzAu4X3D5srZlz93S3gye8MzbqVZFDzfJd4Gk.
ECDSA key fingerprint is MD5:fa:5a:88:23:49:60:9b:b8:7e:4b:14:4b:3f:cd:96:a0.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.18.148' (ECDSA) to the list of known hosts.
root@192.168.18.148's password:
etcd 100% 518 426.8KB/s 00:00
etcd 100% 18MB 105.0MB/s 00:00
etcdctl 100% 15MB 108.2MB/s 00:00
ca-key.pem 100% 1679 1.4MB/s 00:00
ca.pem 100% 1265 396.1KB/s 00:00
server-key.pem 100% 1675 1.0MB/s 00:00
server.pem 100% 1338 525.6KB/s 00:00
[root@master k8s]# scp -r /opt/etcd/ root@192.168.18.145:/opt/
The authenticity of host '192.168.18.145 (192.168.18.145)' can't be established.
ECDSA key fingerprint is SHA256:mTT+FEtzAu4X3D5srZlz93S3gye8MzbqVZFDzfJd4Gk.
ECDSA key fingerprint is MD5:fa:5a:88:23:49:60:9b:b8:7e:4b:14:4b:3f:cd:96:a0.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.18.145' (ECDSA) to the list of known hosts.
root@192.168.18.145's password:
etcd 100% 518 816.5KB/s 00:00
etcd 100% 18MB 87.4MB/s 00:00
etcdctl 100% 15MB 108.6MB/s 00:00
ca-key.pem 100% 1679 1.3MB/s 00:00
ca.pem 100% 1265 411.8KB/s 00:00
server-key.pem 100% 1675 1.4MB/s 00:00
server.pem 100% 1338 639.5KB/s 00:00
`启动脚本拷贝其他节点`
[root@master k8s]# scp /usr/lib/systemd/system/etcd.service root@192.168.18.148:/usr/lib/systemd/system/
root@192.168.18.148's password:
etcd.service 100% 923 283.4KB/s 00:00
[root@master k8s]# scp /usr/lib/systemd/system/etcd.service root@192.168.18.145:/usr/lib/systemd/system/
root@192.168.18.145's password:
etcd.service 100% 923 347.7KB/s 00:00Node1：7-4
`修改`
[root@node1 ~]# systemctl stop firewalld.service
[root@node1 ~]# setenforce 0
[root@node1 ~]# vim /opt/etcd/cfg/etcd
#[Member]
ETCD_NAME="etcd02"
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
ETCD_LISTEN_PEER_URLS="https://192.168.18.148:2380"
ETCD_LISTEN_CLIENT_URLS="https://192.168.18.148:2379"
#[Clustering]
ETCD_INITIAL_ADVERTISE_PEER_URLS="https://192.168.18.148:2380"
ETCD_ADVERTISE_CLIENT_URLS="https://192.168.18.148:2379"
ETCD_INITIAL_CLUSTER="etcd01=https://192.168.18.128:2380,etcd02=https://192.168.18.148:2380,etcd03=https://192.168.18.145:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
ETCD_INITIAL_CLUSTER_STATE="new"
[root@node1 ~]# systemctl start etcd
[root@node1 ~]# systemctl status etcd
● etcd.service - Etcd Server
Loaded: loaded (/usr/lib/systemd/system/etcd.service; disabled; vendor preset: disabled)
Active: active (running) since 三 2020-01-15 17:53:24 CST; 5s ago
#状态为ActiveNode2：7-5
`修改`
[root@node2 ~]# systemctl stop firewalld.service
[root@node2 ~]# setenforce 0
[root@node2 ~]# vim /opt/etcd/cfg/etcd
#[Member]
ETCD_NAME="etcd03"
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
ETCD_LISTEN_PEER_URLS="https://192.168.18.145:2380"
ETCD_LISTEN_CLIENT_URLS="https://192.168.18.145:2379"
#[Clustering]
ETCD_INITIAL_ADVERTISE_PEER_URLS="https://192.168.18.145:2380"
ETCD_ADVERTISE_CLIENT_URLS="https://192.168.18.145:2379"
ETCD_INITIAL_CLUSTER="etcd01=https://192.168.18.128:2380,etcd02=https://192.168.18.148:2380,etcd03=https://192.168.18.145:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
ETCD_INITIAL_CLUSTER_STATE="new"
[root@node2 ~]# systemctl start etcd
[root@node2 ~]# systemctl status etcd
● etcd.service - Etcd Server
Loaded: loaded (/usr/lib/systemd/system/etcd.service; disabled; vendor preset: disabled)
Active: active (running) since 三 2020-01-15 17:55:24 CST; 5s ago
#状态为Active群集状态验证：
`回到7-3上输入以下命令：`
[root@master k8s]# cd etcd-cert/
[root@master etcd-cert]# /opt/etcd/bin/etcdctl --ca-file=ca.pem --cert-file=server.pem --key-file=server-key.pem --endpoints="https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379" cluster-health
member 9104d301e3b6da41 is healthy: got healthy result from https://192.168.18.148:2379
member 92947d71c72a884e is healthy: got healthy result from https://192.168.18.145:2379
member b2a6d67e1bc8054b is healthy: got healthy result from https://192.168.18.128:2379
cluster is healthy
`状态为healthy健康`两台节点服务器部署docker引擎
node1：
`安装依赖包`
[root@node1 ~]# yum install yum-utils device-mapper-persistent-data lvm2 -y
`设置阿里云镜像源`
[root@node1 ~]# yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
`安装Docker-ce`
[root@node1 ~]# yum install -y docker-ce
`启动Docker并设置为开机自启动`
[root@node1 ~]# systemctl start docker.service
[root@node1 ~]# systemctl enable docker.service
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
`检查相关进程开启情况`
[root@node1 ~]# ps aux | grep docker
root 5551 0.1 3.6 565460 68652 ? Ssl 09:13 0:00 /usr/bin/docke d -H fd:// --containerd=/run/containerd/containerd.sock
root 5759 0.0 0.0 112676 984 pts/1 R+ 09:16 0:00 grep --color=auto docker
`镜像加速服务`
[root@node1 ~]# tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://w1ogxqvl.mirror.aliyuncs.com"]
}
EOF
#网络优化部分
echo 'net.ipv4.ip_forward=1' > /etc/sysctl.cnf
sysctl -p
[root@node1 ~]# service network restart
Restarting network (via systemctl): [ 确定 ]
[root@node1 ~]# systemctl restart docker
[root@node1 ~]# systemctl daemon-reload
[root@node1 ~]# systemctl restart dockernode2：
`安装依赖包`
[root@node2 ~]# yum install yum-utils device-mapper-persistent-data lvm2 -y
`设置阿里云镜像源`
[root@node2 ~]# yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
`安装Docker-ce`
[root@node2 ~]# yum install -y docker-ce
`启动Docker并设置为开机自启动`
[root@node2 ~]# systemctl start docker.service
[root@node2 ~]# systemctl enable docker.service
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
`检查相关进程开启情况`
[root@node2 ~]# ps aux | grep docker
root 5570 0.5 3.5 565460 66740 ? Ssl 09:18 0:00 /usr/bin/docke d -H fd:// --containerd=/run/containerd/containerd.sock
root 5759 0.0 0.0 112676 984 pts/1 R+ 09:18 0:00 grep --color=auto docker
`镜像加速服务`
[root@node2 ~]# tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://w1ogxqvl.mirror.aliyuncs.com"]
}
EOF
[root@node2 ~]# service network restart
Restarting network (via systemctl): [ 确定 ]
[root@node2 ~]# systemctl restart docker
[root@node2 ~]# systemctl daemon-reload
[root@node2 ~]# systemctl restart dockerflannel网络配置
`在master服务器中写入分配的子网段到ETCD中，供flannel使用`
[root@master etcd-cert]# /opt/etcd/bin/etcdctl --ca-file=ca.pem --cert-file=server.pem --key-file=server-key.pem --endpoints="https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379" set /coreos.com/network/config '{ "Network": "172.17.0.0/16", "Backend": {"Type": "vxlan"}}'
{ "Network": "172.17.0.0/16", "Backend": {"Type": "vxlan"}}
`查看写入的信息`
[root@master etcd-cert]# /opt/etcd/bin/etcdctl --ca-file=ca.pem --cert-file=server.pem --key-file=server-key.pem --endpoints="https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379" get /coreos.com/network/config
{ "Network": "172.17.0.0/16", "Backend": {"Type": "vxlan"}}
`将flannel的软件包拷贝到所有node节点（只需要部署在node节点即可）`
[root@master etcd-cert]# cd ../
[root@master k8s]# scp flannel-v0.10.0-linux-amd64.tar.gz root@192.168.18.148:/root
root@192.168.18.148's password:
flannel-v0.10.0-linux-amd64.tar.gz 100% 9479KB 55.6MB/s 00:00
[root@master k8s]# scp flannel-v0.10.0-linux-amd64.tar.gz root@192.168.18.145:/root
root@192.168.18.145's password:
flannel-v0.10.0-linux-amd64.tar.gz 100% 9479KB 69.5MB/s 00:00在所有node节点进行解压操作
node1：
[root@node1 ~]# tar zxvf flannel-v0.10.0-linux-amd64.tar.gz
`创建k8s工作目录`
[root@node1 ~]# mkdir /opt/kubernetes/{cfg,bin,ssl} -p
[root@node1 ~]# mv mk-docker-opts.sh flanneld /opt/kubernetes/bin/
[root@node1 ~]# vim flannel.sh
#!/bin/bash
ETCD_ENDPOINTS=${1:-"http://127.0.0.1:2379"}
cat </opt/kubernetes/cfg/flanneld
FLANNEL_OPTIONS="--etcd-endpoints=${ETCD_ENDPOINTS} \
-etcd-cafile=/opt/etcd/ssl/ca.pem \
-etcd-certfile=/opt/etcd/ssl/server.pem \
-etcd-keyfile=/opt/etcd/ssl/server-key.pem"
EOF
cat </usr/lib/systemd/system/flanneld.service
[Unit]
Description=Flanneld overlay address etcd agent
After=network-online.target network.target
Before=docker.service
[Service]
Type=notify
EnvironmentFile=/opt/kubernetes/cfg/flanneld
ExecStart=/opt/kubernetes/bin/flanneld --ip-masq \$FLANNEL_OPTIONS
ExecStartPost=/opt/kubernetes/bin/mk-docker-opts.sh -k DOCKER_NETWORK_OPTIONS -d /run/flannel/subnet.env
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable flanneld
systemctl restart flanneld
`开启flannel网络功能`
[root@node1 ~]# bash flannel.sh https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379
Created symlink from /etc/systemd/system/multi-user.target.wants/flanneld.service to /usr/lib/systemd/system/flanneld.service.
`配置docker连接flannel`
[root@node1 ~]# vim /usr/lib/systemd/system/docker.service
#service段落做如下改动
9 [Service]
10 Type=notify
11 # the default is not to use systemd for cgroups because the delegate issues s till
12 # exists and systemd currently does not support the cgroup feature set requir ed
13 # for containers run by docker
14 EnvironmentFile=/run/flannel/subnet.env #在13下添加此行
15 ExecStart=/usr/bin/dockerd $DOCKER_NETWORK_OPTIONS -H fd:// --containerd=/run /containerd/containerd.sock #15行中在-H前添加$DOCKER_NETWORK_OPTIONS
16 ExecReload=/bin/kill -s HUP $MAINPID
17 TimeoutSec=0
18 RestartSec=2
19 Restart=always
#修改完成后按Esc退出插入模式，输入:wq保存退出
[root@node1 ~]# cat /run/flannel/subnet.env
DOCKER_OPT_BIP="--bip=172.17.32.1/24"
DOCKER_OPT_IPMASQ="--ip-masq=false"
DOCKER_OPT_MTU="--mtu=1450"
DOCKER_NETWORK_OPTIONS=" --bip=172.17.32.1/24 --ip-masq=false --mtu=1450"
#此处bip指定启动时的子网
`重启docker服务`
[root@node1 ~]# systemctl daemon-reload
[root@node1 ~]# systemctl restart docker
`查看flannel网络`
[root@node1 ~]# ifconfig
flannel.1: flags=4163 mtu 1450
inet 172.17.32.0 netmask 255.255.255.255 broadcast 0.0.0.0
inet6 fe80::344b:13ff:fecb:1e2d prefixlen 64 scopeid 0x20
ether 36:4b:13:cb:1e:2d txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 27 overruns 0 carrier 0 collisions 0 node2：
[root@node2 ~]# tar zxvf flannel-v0.10.0-linux-amd64.tar.gz
`创建k8s工作目录`
[root@node2 ~]# mkdir /opt/kubernetes/{cfg,bin,ssl} -p
[root@node2 ~]# mv mk-docker-opts.sh flanneld /opt/kubernetes/bin/
[root@node2 ~]# vim flannel.sh
#!/bin/bash
ETCD_ENDPOINTS=${1:-"http://127.0.0.1:2379"}
cat </opt/kubernetes/cfg/flanneld
FLANNEL_OPTIONS="--etcd-endpoints=${ETCD_ENDPOINTS} \
-etcd-cafile=/opt/etcd/ssl/ca.pem \
-etcd-certfile=/opt/etcd/ssl/server.pem \
-etcd-keyfile=/opt/etcd/ssl/server-key.pem"
EOF
cat </usr/lib/systemd/system/flanneld.service
[Unit]
Description=Flanneld overlay address etcd agent
After=network-online.target network.target
Before=docker.service
[Service]
Type=notify
EnvironmentFile=/opt/kubernetes/cfg/flanneld
ExecStart=/opt/kubernetes/bin/flanneld --ip-masq \$FLANNEL_OPTIONS
ExecStartPost=/opt/kubernetes/bin/mk-docker-opts.sh -k DOCKER_NETWORK_OPTIONS -d /run/flannel/subnet.env
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable flanneld
systemctl restart flanneld
`开启flannel网络功能`
[root@node2 ~]# bash flannel.sh https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379
Created symlink from /etc/systemd/system/multi-user.target.wants/flanneld.service to /usr/lib/systemd/system/flanneld.service.
`配置docker连接flannel`
[root@node2 ~]# vim /usr/lib/systemd/system/docker.service
#service段落做如下改动
9 [Service]
10 Type=notify
11 # the default is not to use systemd for cgroups because the delegate issues s till
12 # exists and systemd currently does not support the cgroup feature set requir ed
13 # for containers run by docker
14 EnvironmentFile=/run/flannel/subnet.env #在13下添加此行
15 ExecStart=/usr/bin/dockerd $DOCKER_NETWORK_OPTIONS -H fd:// --containerd=/run /containerd/containerd.sock #15行中在-H前添加$DOCKER_NETWORK_OPTIONS
16 ExecReload=/bin/kill -s HUP $MAINPID
17 TimeoutSec=0
18 RestartSec=2
19 Restart=always
#修改完成后按Esc退出插入模式，输入:wq保存退出
[root@node2 ~]# cat /run/flannel/subnet.env
DOCKER_OPT_BIP="--bip=172.17.40.1/24"
DOCKER_OPT_IPMASQ="--ip-masq=false"
DOCKER_OPT_MTU="--mtu=1450"
DOCKER_NETWORK_OPTIONS=" --bip=172.17.40.1/24 --ip-masq=false --mtu=1450"
#此处bip指定启动时的子网
`重启docker服务`
[root@node2 ~]# systemctl daemon-reload
[root@node2 ~]# systemctl restart docker
`查看flannel网络`
[root@node2 ~]# ifconfig
flannel.1: flags=4163 mtu 1450
inet 172.17.40.0 netmask 255.255.255.255 broadcast 0.0.0.0
inet6 fe80::cc6f:baff:fe89:3b93 prefixlen 64 scopeid 0x20
ether ce:6f:ba:89:3b:93 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 240 overruns 0 carrier 0 collisions 0 测试ping通对方docker0网卡 证明flannel起到路由作用
node1：
[root@node1 ~]# docker run -it centos:7 /bin/bash
Unable to find image 'centos:7' locally
7: Pulling from library/centos
ab5ef0e58194: Pull complete
Digest: sha256:4a701376d03f6b39b8c2a8f4a8e499441b0d567f9ab9d58e4991de4472fb813c
Status: Downloaded newer image for centos:7
#此时会自动进入容器
[root@3cdebf0d2bb8 /]# yum install net-tools -y
[root@3cdebf0d2bb8 /]# ifconfig
eth0: flags=4163 mtu 1450
inet 172.17.32.2 netmask 255.255.255.0 broadcast 172.17.32.255
ether 02:42:ac:11:20:02 txqueuelen 0 (Ethernet)
RX packets 16774 bytes 13938639 (13.2 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 7361 bytes 400658 (391.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
#eth0网卡为172.17.32.2
`测试ping通`
[root@3cdebf0d2bb8 /]# ping 172.17.40.2
PING 172.17.40.2 (172.17.40.2) 56(84) bytes of data.
64 bytes from 172.17.40.2: icmp_seq=1 ttl=62 time=0.279 ms
64 bytes from 172.17.40.2: icmp_seq=2 ttl=62 time=1.07 ms
64 bytes from 172.17.40.2: icmp_seq=3 ttl=62 time=0.397 ms
^C
--- 172.17.40.2 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3002ms
rtt min/avg/max/mdev = 0.279/0.610/1.075/0.307 ms
#此时可以ping通 node2：
[root@node2 ~]# docker run -it centos:7 /bin/bash
Unable to find image 'centos:7' locally
7: Pulling from library/centos
ab5ef0e58194: Pull complete
Digest: sha256:4a701376d03f6b39b8c2a8f4a8e499441b0d567f9ab9d58e4991de4472fb813c
Status: Downloaded newer image for centos:7
#此时会自动进入容器
[root@036c7eb6be88 /]# yum install net-tools -y
[root@036c7eb6be88 /]# ifconfig
eth0: flags=4163 mtu 1450
inet 172.17.40.2 netmask 255.255.255.0 broadcast 172.17.40.255
ether 02:42:ac:11:28:02 txqueuelen 0 (Ethernet)
RX packets 16859 bytes 13953367 (13.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 7528 bytes 409881 (400.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
#eth0网卡为172.17.40.2
`测试ping通`
[root@036c7eb6be88 /]# ping 172.17.32.2
PING 172.17.32.2 (172.17.32.2) 56(84) bytes of data.
64 bytes from 172.17.32.2: icmp_seq=1 ttl=62 time=0.411 ms
64 bytes from 172.17.32.2: icmp_seq=2 ttl=62 time=0.699 ms
64 bytes from 172.17.32.2: icmp_seq=3 ttl=62 time=0.684 ms
^C
--- 172.17.32.2 ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 5004ms
rtt min/avg/max/mdev = 0.411/0.744/1.299/0.269 ms
#此时可以ping通 部署master组件
`在master上操作，api-server生成证书,需要先上传master.zip到master节点上`
[root@master k8s]# unzip master.zip
Archive: master.zip
inflating: apiserver.sh
inflating: controller-manager.sh
inflating: scheduler.sh
[root@master k8s]# mkdir /opt/kubernetes/{cfg,bin,ssl} -p
`创建apiserver自签证书目录`
[root@master k8s]# mkdir k8s-cert
[root@master k8s]# cd k8s-cert/
[root@master k8s-cert]# ls #需要上传k8s-cert.sh到此目录下
k8s-cert.sh
`建立ca证书`
[root@master k8s-cert]# cat > ca-config.json < ca-csr.json < server-csr.json < admin-csr.json < kube-proxy-csr.json < 生成k8s证书
[root@master k8s-cert]# bash k8s-cert.sh
2020/02/05 11:50:08 [INFO] generating a new CA key and certificate from CSR
2020/02/05 11:50:08 [INFO] generate received request
2020/02/05 11:50:08 [INFO] received CSR
2020/02/05 11:50:08 [INFO] generating key: rsa-2048
2020/02/05 11:50:08 [INFO] encoded CSR
2020/02/05 11:50:08 [INFO] signed certificate with serial number 473883155883308900863805079252124099771123043047
2020/02/05 11:50:08 [INFO] generate received request
2020/02/05 11:50:08 [INFO] received CSR
2020/02/05 11:50:08 [INFO] generating key: rsa-2048
2020/02/05 11:50:08 [INFO] encoded CSR
2020/02/05 11:50:08 [INFO] signed certificate with serial number 66483817738746309793417718868470334151539533925
2020/02/05 11:50:08 [WARNING] This certificate lacks a "hosts" field. This makes it unsuitable for
websites. For more information see the Baseline Requirements for the Issuance and Management
of Publicly-Trusted Certificates, v.1.1.6, from the CA/Browser Forum (https://cabforum.org);
specifically, section 10.2.3 ("Information Requirements").
2020/02/05 11:50:08 [INFO] generate received request
2020/02/05 11:50:08 [INFO] received CSR
2020/02/05 11:50:08 [INFO] generating key: rsa-2048
2020/02/05 11:50:08 [INFO] encoded CSR
2020/02/05 11:50:08 [INFO] signed certificate with serial number 245658866069109639278946985587603475325871008240
2020/02/05 11:50:08 [WARNING] This certificate lacks a "hosts" field. This makes it unsuitable for
websites. For more information see the Baseline Requirements for the Issuance and Management
of Publicly-Trusted Certificates, v.1.1.6, from the CA/Browser Forum (https://cabforum.org);
specifically, section 10.2.3 ("Information Requirements").
2020/02/05 11:50:08 [INFO] generate received request
2020/02/05 11:50:08 [INFO] received CSR
2020/02/05 11:50:08 [INFO] generating key: rsa-2048
2020/02/05 11:50:09 [INFO] encoded CSR
2020/02/05 11:50:09 [INFO] signed certificate with serial number 696729766024974987873474865496562197315198733463
2020/02/05 11:50:09 [WARNING] This certificate lacks a "hosts" field. This makes it unsuitable for
websites. For more information see the Baseline Requirements for the Issuance and Management
of Publicly-Trusted Certificates, v.1.1.6, from the CA/Browser Forum (https://cabforum.org);
specifically, section 10.2.3 ("Information Requirements").
[root@master k8s-cert]# ls *pem
admin-key.pem ca-key.pem kube-proxy-key.pem server-key.pem
admin.pem ca.pem kube-proxy.pem server.pem
[root@master k8s-cert]# cp ca*pem server*pem /opt/kubernetes/ssl/
[root@master k8s-cert]# cd ..
`解压kubernetes压缩包`
[root@master k8s]# tar zxvf kubernetes-server-linux-amd64.tar.gz
[root@master k8s]# cd /root/k8s/kubernetes/server/bin
`复制关键命令文件`
[root@master bin]# cp kube-apiserver kubectl kube-controller-manager kube-scheduler /opt/kubernetes/bin/
[root@master k8s]# cd /root/k8s
`随机生成序列号`
[root@master k8s]# head -c 16 /dev/urandom | od -An -t x | tr -d ' '
9b3186df3dc799376ad43b6fe0108571
[root@master k8s]# vim /opt/kubernetes/cfg/token.csv
9b3186df3dc799376ad43b6fe0108571,kubelet-bootstrap,10001,"system:kubelet-bootstrap"
#序列号，用户名，id，角色
`二进制文件，token，证书都准备好，开启apiserver`
[root@master k8s]# bash apiserver.sh 192.168.18.128 https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379
Created symlink from /etc/systemd/system/multi-user.target.wants/kube-apiserver.service to /usr/lib/systemd/system/kube-apiserver.service.
`检查进程是否启动成功`
[root@master k8s]# ps aux | grep kube
root 7034 0.6 1.2 46672 23460 ? Ssl 12:23 0:33 /opt/kubernetes/bin/kube-scheduler --logtostderr=true --v=4 --master=127.0.0.1:8080 --leader-elect
root 7104 0.0 2.0 108508 38552 ? Ssl 12:24 0:02 /opt/kubernetes/bin/kube-controller-manager --logtostderr=true --v=4 --master=127.0.0.1:8080 --leader-elect=true --address=127.0.0.1 --service-cluster-ip-range=10.0.0.0/24 --cluster-name=kubernetes --cluster-signing-cert-file=/opt/kubernetes/ssl/ca.pem --cluster-signing-key-file=/opt/kubernetes/ssl/ca-key.pem --root-ca-file=/opt/kubernetes/ssl/ca.pem --service-account-private-key-file=/opt/kubernetes/ssl/ca-key.pem --experimental-cluster-signing-duration=87600h0m0s
root 8146 77.5 14.7 363196 275780 ? Ssl 13:44 0:05 /opt/kubernetes/bin/kube-apiserver --logtostderr=true --v=4 --etcd-servers=https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379 --bind-address=192.168.18.128 --secure-port=6443 --advertise-address=192.168.18.128 --allow-privileged=true --service-cluster-ip-range=10.0.0.0/24 --enable-admission-plugins=NamespaceLifecycle,LimitRanger,ServiceAccount,ResourceQuota,NodeRestriction --authorization-mode=RBAC,Node --kubelet-https=true --enable-bootstrap-token-auth --token-auth-file=/opt/kubernetes/cfg/token.csv --service-node-port-range=30000-50000 --tls-cert-file=/opt/kubernetes/ssl/server.pem --tls-private-key-file=/opt/kubernetes/ssl/server-key.pem --client-ca-file=/opt/kubernetes/ssl/ca.pem --service-account-key-file=/opt/kubernetes/ssl/ca-key.pem --etcd-cafile=/opt/etcd/ssl/ca.pem --etcd-certfile=/opt/etcd/ssl/server.pem --etcd-keyfile=/opt/etcd/ssl/server-key.pem
root 8154 0.0 0.0 112676 980 pts/1 R+ 13:44 0:00 grep --color=auto kube
`查看配置文件`
[root@master k8s]# cat /opt/kubernetes/cfg/kube-apiserver
KUBE_APISERVER_OPTS="--logtostderr=true \
--v=4 \
--etcd-servers=https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379 \
--bind-address=192.168.18.128 \
--secure-port=6443 \
--advertise-address=192.168.18.128 \
--allow-privileged=true \
--service-cluster-ip-range=10.0.0.0/24 \
--enable-admission-plugins=NamespaceLifecycle,LimitRanger,ServiceAccount,ResourceQuota,NodeRestriction \
--authorization-mode=RBAC,Node \
--kubelet-https=true \
--enable-bootstrap-token-auth \
--token-auth-file=/opt/kubernetes/cfg/token.csv \
--service-node-port-range=30000-50000 \
--tls-cert-file=/opt/kubernetes/ssl/server.pem \
--tls-private-key-file=/opt/kubernetes/ssl/server-key.pem \
--client-ca-file=/opt/kubernetes/ssl/ca.pem \
--service-account-key-file=/opt/kubernetes/ssl/ca-key.pem \
--etcd-cafile=/opt/etcd/ssl/ca.pem \
--etcd-certfile=/opt/etcd/ssl/server.pem \
--etcd-keyfile=/opt/etcd/ssl/server-key.pem"
`监听的https端口`
[root@master k8s]# netstat -ntap | grep 6443
tcp 0 0 192.168.18.128:6443 0.0.0.0:* LISTEN 8146/kube-apiserver
tcp 0 0 192.168.18.128:6443 192.168.18.128:56724 ESTABLISHED 8146/kube-apiserver
tcp 0 0 192.168.18.128:56724 192.168.18.128:6443 ESTABLISHED 8146/kube-apiserver
[root@master k8s]# netstat -ntap | grep 8080
tcp 0 0 127.0.0.1:8080 0.0.0.0:* LISTEN 8146/kube-apiserver
......以下省略多行
`启动scheduler服务`
[root@master k8s]# ./scheduler.sh 127.0.0.1
Created symlink from /etc/systemd/system/multi-user.target.wants/kube-scheduler.service to /usr/lib/systemd/system/kube-scheduler.service.
[root@master k8s]# ps aux | grep ku
postfix 6212 0.0 0.0 91732 1364 ? S 11:29 0:00 pickup -l -t unix -u
root 7034 1.1 1.0 45360 20332 ? Ssl 12:23 0:00 /opt/kubernetes/bin/kube-scheduler --logtostderr=true --v=4 --master=127.0.0.1:8080 --leader-elect
root 7042 0.0 0.0 112676 980 pts/1 R+ 12:23 0:00 grep --color=auto ku
[root@master k8s]# chmod +x controller-manager.sh
`启动controller-manager`
[root@master k8s]# ./controller-manager.sh 127.0.0.1
Created symlink from /etc/systemd/system/multi-user.target.wants/kube-controller-manager.service to /usr/lib/systemd/system/kube-controller-manager.service.
`查看master 节点状态`
[root@master k8s]# /opt/kubernetes/bin/kubectl get cs
NAME STATUS MESSAGE ERROR
controller-manager Healthy ok
scheduler Healthy ok
etcd-1 Healthy {"health":"true"}
etcd-0 Healthy {"health":"true"}
etcd-2 Healthy {"health":"true"}node节点部署
第一步：master上操作
`把 kubelet、kube-proxy拷贝到node节点上去`
[root@master k8s]# cd kubernetes/server/bin/
[root@master bin]# scp kubelet kube-proxy root@192.168.18.148:/opt/kubernetes/bin/
root@192.168.18.148's password:
kubelet 100% 168MB 81.1MB/s 00:02
kube-proxy 100% 48MB 77.6MB/s 00:00
[root@master bin]# scp kubelet kube-proxy root@192.168.18.145:/opt/kubernetes/bin/
root@192.168.18.145's password:
kubelet 100% 168MB 86.8MB/s 00:01
kube-proxy 100% 48MB 90.4MB/s 00:00第二步：node1节点操作（上传node.zip到/root目录下再解压）
[root@node1 ~]# ls
anaconda-ks.cfg flannel-v0.10.0-linux-amd64.tar.gz node.zip 公共 视频 文档 音乐
flannel.sh initial-setup-ks.cfg README.md 模板 图片 下载 桌面
[root@node1 ~]# unzip node.zip
Archive: node.zip
inflating: proxy.sh
inflating: kubelet.sh第三步：再回到master上操作
[root@master bin]# cd /root/k8s/
[root@master k8s]# mkdir kubeconfig
[root@master k8s]# cd kubeconfig/
`上传kubeconfig.sh脚本到此目录中，并对其进行重命名`
[root@master kubeconfig]# ls
kubeconfig.sh
[root@master kubeconfig]# mv kubeconfig.sh kubeconfig
[root@master kubeconfig]# vim kubeconfig
#删除前9行，之前生成令牌的时候已经执行过
# 设置客户端认证参数
kubectl config set-credentials kubelet-bootstrap \
--token=9b3186df3dc799376ad43b6fe0108571 \ #令牌中的序列号需要做更改是我们之前生成的令牌
--kubeconfig=bootstrap.kubeconfig
#修改完成后按Esc退出插入模式，输入:wq保存退出
----如何获取序列号----
[root@master kubeconfig]# cat /opt/kubernetes/cfg/token.csv
9b3186df3dc799376ad43b6fe0108571,kubelet-bootstrap,10001,"system:kubelet-bootstrap"
#我们需要用到其中的序列号"9b3186df3dc799376ad43b6fe0108571"每个人的序列号是不同的
---------------------
`设置环境变量（可以写入到/etc/profile中）`
[root@master kubeconfig]# vim /etc/profile
#按大写字母G到最末行，按小写字母o在下行插入
export PATH=$PATH:/opt/kubernetes/bin/
#修改完成后按Esc退出插入模式，输入:wq保存退出
[root@master kubeconfig]# source /etc/profile
[root@master kubeconfig]# kubectl get cs
NAME STATUS MESSAGE ERROR
scheduler Healthy ok
controller-manager Healthy ok
etcd-2 Healthy {"health":"true"}
etcd-1 Healthy {"health":"true"}
etcd-0 Healthy {"health":"true"}
[root@master kubeconfig]# kubectl get node
No resources found.
#此时还没有节点被添加第四步：生成配置文件
[root@master kubeconfig]# bash kubeconfig 192.168.18.128 /root/k8s/k8s-cert/
Cluster "kubernetes" set.
User "kubelet-bootstrap" set.
Context "default" created.
Switched to context "default".
Cluster "kubernetes" set.
User "kube-proxy" set.
Context "default" created.
Switched to context "default".
[root@master kubeconfig]# ls
bootstrap.kubeconfig kubeconfig kube-proxy.kubeconfig
`拷贝配置文件到两个node节点`
[root@master kubeconfig]# scp bootstrap.kubeconfig kube-proxy.kubeconfig root@192.168.18.148:/opt/kubernetes/cfg/
root@192.168.18.148's password:
bootstrap.kubeconfig 100% 2168 2.2MB/s 00:00
kube-proxy.kubeconfig 100% 6270 3.5MB/s 00:00
[root@master kubeconfig]# scp bootstrap.kubeconfig kube-proxy.kubeconfig root@192.168.18.145:/opt/kubernetes/cfg/
root@192.168.18.145's password:
bootstrap.kubeconfig 100% 2168 3.1MB/s 00:00
kube-proxy.kubeconfig 100% 6270 7.9MB/s 00:00
`创建bootstrap角色赋予权限用于连接apiserver请求签名（关键步骤）`
[root@master kubeconfig]# kubectl create clusterrolebinding kubelet-bootstrap --clusterrole=system:node-bootstrapper --user=kubelet-bootstrap
clusterrolebinding.rbac.authorization.k8s.io/kubelet-bootstrap created第五步：在node01节点上操作
[root@node1 ~]# bash kubelet.sh 192.168.18.148
Created symlink from /etc/systemd/system/multi-user.target.wants/kubelet.service to /usr/lib/systemd/system/kubelet.service.
`检查kubelet服务启动`
[root@node1 ~]# ps aux | grep kube
root 8807 0.0 0.8 300512 16260 ? Ssl 09:45 0:05 /opt/kubernetes/bin/flanneld --ip-masq --etcd-endpoints=https://192.168.18.128:2379,https://192.168.18.148:2379,https://192.168.18.145:2379 -etcd-cafile=/opt/etcd/ssl/ca.pem -etcd-certfile=/opt/etcd/ssl/server.pem -etcd-keyfile=/opt/etcd/ssl/server-key.pem
root 35040 0.4 2.1 369632 40832 ? Ssl 14:53 0:00 /opt/kubernetes/bin/kubelet --logtostderr=true --v=4 --hostname-override=192.168.18.148 --kubeconfig=/opt/kubernetes/cfg/kubelet.kubeconfig --bootstrap-kubeconfig=/opt/kubernetes/cfg/bootstrap.kubeconfig --config=/opt/kubernetes/cfg/kubelet.config --cert-dir=/opt/kubernetes/ssl --pod-infra-container-image=registry.cn-hangzhou.aliyuncs.com/google-containers/pause-amd64:3.0
root 35078 0.0 0.0 112676 984 pts/1 S+ 14:54 0:00 grep --color=auto kube
[root@node1 ~]# systemctl status kubelet.service
● kubelet.service - Kubernetes Kubelet
Loaded: loaded (/usr/lib/systemd/system/kubelet.service; enabled; vendor preset: disabled)
Active: active (running) since 三 2020-02-05 14:54:45 CST; 21s ago
#状态为running运行中第六步：master上检查节点的请求
`node1会自动寻找apiserver去进行申请证书，我们就可以检查到node01节点的请求`
[root@master kubeconfig]# kubectl get csr
NAME AGE REQUESTOR CONDITION
node-csr-ZZnDyPkUICga9NeuZF-M8IHTmpekEurXtbHXOyHZbDg 18s kubelet-bootstrap Pending
#此时状态为Pending等待集群给该节点颁发证书
`继续查看证书状态`
[root@master kubeconfig]# kubectl get csr
NAME AGE REQUESTOR CONDITION
node-csr-ZZnDyPkUICga9NeuZF-M8IHTmpekEurXtbHXOyHZbDg 3m59s kubelet-bootstrap Approved,Issued
#此时状态为Approved,Issued已经被允许加入群集
`查看群集节点，成功加入node1节点`
[root@master kubeconfig]# kubectl get node
NAME STATUS ROLES AGE VERSION
192.168.18.148 Ready 6m54s v1.12.3
`在node1节点操作，启动proxy服务`
[root@node1 ~]# bash proxy.sh 192.168.195.148
Created symlink from /etc/systemd/system/multi-user.target.wants/kube-proxy.service to /usr/lib/systemd/system/kube-proxy.service.
[root@node1 ~]# systemctl status kube-proxy.service
● kube-proxy.service - Kubernetes Proxy
Loaded: loaded (/usr/lib/systemd/system/kube-proxy.service; enabled; vendor preset: disabled)
Active: active (running) since 四 2020-02-06 11:11:56 CST; 20s ago
#状态为running运行中 第七步：node2节点部署
`在node01节点操作把现成的/opt/kubernetes目录复制到node2节点进行修改即可`
[root@node1 ~]# scp -r /opt/kubernetes/ root@192.168.18.145:/opt/
The authenticity of host '192.168.18.145 (192.168.18.145)' can't be established.
ECDSA key fingerprint is SHA256:mTT+FEtzAu4X3D5srZlz93S3gye8MzbqVZFDzfJd4Gk.
ECDSA key fingerprint is MD5:fa:5a:88:23:49:60:9b:b8:7e:4b:14:4b:3f:cd:96:a0.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.18.145' (ECDSA) to the list of known hosts.
root@192.168.18.145's password:
flanneld 100% 238 572.7KB/s 00:00
bootstrap.kubeconfig 100% 2168 4.9MB/s 00:00
kube-proxy.kubeconfig 100% 6270 12.0MB/s 00:00
kubelet 100% 378 642.2KB/s 00:00
kubelet.config 100% 268 565.0KB/s 00:00
kubelet.kubeconfig 100% 2297 3.5MB/s 00:00
kube-proxy 100% 191 396.6KB/s 00:00
mk-docker-opts.sh 100% 2139 3.2MB/s 00:00
scp: /opt//kubernetes/bin/flanneld: Text file busy
kubelet 100% 168MB 96.9MB/s 00:01
kube-proxy 100% 48MB 108.9MB/s 00:00
kubelet.crt 100% 2193 2.4MB/s 00:00
kubelet.key 100% 1675 2.5MB/s 00:00
kubelet-client-2020-02-06-11-03-32.pem 100% 1277 2.2MB/s 00:00
kubelet-client-current.pem 100% 1277 684.2KB/s 00:00
`把node1中的kubelet，kube-proxy的service文件拷贝到node2中`
[root@node1 ~]# scp /usr/lib/systemd/system/{kubelet,kube-proxy}.service root@192.168.18.145:/usr/lib/systemd/system/
root@192.168.18.145's password:
kubelet.service 100% 264 291.3KB/s 00:00
kube-proxy.service 100% 231 407.8KB/s 00:00
`到node2上操作，进行修改：首先删除复制过来的证书，等会node2会自行申请证书`
[root@node2 ~]# cd /opt/kubernetes/ssl/
[root@node2 ssl]# rm -rf *
`修改配置文件kubelet kubelet.config kube-proxy（三个配置文件）`
[root@node2 ssl]# cd ../cfg/
[root@node2 cfg]# vim kubelet
4 --hostname-override=192.168.18.145 \ #第4行，主机名改为node2节点的IP地址
#修改完成后按Esc退出插入模式，输入:wq保存退出
[root@node2 cfg]# vim kubelet.config
4 address: 192.168.18.145 #第4行，地址改为node2节点的IP地址
#修改完成后按Esc退出插入模式，输入:wq保存退出
[root@node2 cfg]# vim kube-proxy
4 --hostname-override=192.168.195.145 #第4行，改为node2节点的IP地址
#修改完成后按Esc退出插入模式，输入:wq保存退出
`启动服务`
[root@node2 cfg]# systemctl start kubelet.service
[root@node2 cfg]# systemctl enable kubelet.service
Created symlink from /etc/systemd/system/multi-user.target.wants/kubelet.service to /usr/lib/systemd/system/kubelet.service.
[root@node2 cfg]# systemctl start kube-proxy.service
[root@node2 cfg]# systemctl enable kube-proxy.service
Created symlink from /etc/systemd/system/multi-user.target.wants/kube-proxy.service to /usr/lib/systemd/system/kube-proxy.service.第八步：回到master上查看node2节点请求
[root@master k8s]# kubectl get csr
NAME AGE REQUESTOR CONDITION
node-csr-QtKJLeSj130rGIccigH6-MKH7klhymwDxQ4rh5w8WJA 99s kubelet-bootstrap Pending
#此时出现新的授权许可加入群集
[root@master k8s]# kubectl certificate approve node-csr-QtKJLeSj130rGIccigH6-MKH7klhymwDxQ4rh5w8WJA
certificatesigningrequest.certificates.k8s.io/node-csr-QtKJLeSj130rGIccigH6-MKH7klhymwDxQ4rh5w8WJA approved
`查看群集中的节点`
[root@master k8s]# kubectl get node
NAME STATUS ROLES AGE VERSION
192.168.18.145 Ready 28s v1.12.3
192.168.18.148 Ready 26m v1.12.3
#此时两个节点都已加入到群集中 当前标题：K8s完整单节点二进制部署（实战必备！）-创新互联
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