文章目录
1.4、部署docker
1.4.0、下载docker二进制文件
1.4.1、配置docker镜像加速
1.4.2、配置docker为systemctl管理
1.4.3、启动docker服务
1.4.4、查看所有节点docker和flannel的网卡是否为同一网段
suse 12 二进制部署 Kubernetes 集群系列合集：
suse 12 二进制部署 Kubernetets 1.19.7 - 第00章 - 环境准备
suse 12 二进制部署 Kubernetets 1.19.7 - 第01章 - 创建CA证书和kubectl集群管理命令
suse 12 二进制部署 Kubernetets 1.19.7 - 第02章 - 部署etcd集群
suse 12 二进制部署 Kubernetets 1.19.7 - 第03章 - 部署flannel插件
suse 12 二进制部署 Kubernetets 1.19.7 - 第04章 - 部署docker服务
suse 12 二进制部署 Kubernetets 1.19.7 - 第05章 - 部署kube-nginx
suse 12 二进制部署 Kubernetets 1.19.7 - 第06章 - 部署kube-apiserver组件
suse 12 二进制部署 Kubernetets 1.19.7 - 第07章 - 部署kube-controller-manager组件
suse 12 二进制部署 Kubernetets 1.19.7 - 第08章 - 部署kube-scheduler组件
suse 12 二进制部署 Kubernetets 1.19.7 - 第09章 - 部署kubelet组件
suse 12 二进制部署 Kubernetets 1.19.7 - 第10章 - 部署kube-proxy组件
suse 12 二进制部署 Kubernetets 1.19.7 - 第11章 - 部署coredns组件
suse 12 二进制部署 Kubernetets 1.19.7 - 第12章 - 部署dashboard插件
suse 12 二进制部署 Kubernetets 1.19.7 - 第13章 - 部署metrics-server插件
suse 12 编译部署Keepalived + nginx 为 kube-apiserver 提供高可用
suse 12 二进制部署 Kubernetets 1.19.7 - 番外篇 - 增加node节点
1.4、部署docker
所有节点都需要docker（复用master节点为node节点运行pod）
1.4.0、下载docker二进制文件
k8s-01:~ # cd /opt/k8s/packages/
k8s-01:/opt/k8s/packages # wget https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/static/stable/x86_64/docker-19.03.9.tgz
k8s-01:/opt/k8s/packages # tar xf docker-19.03.9.tgz
1.4.1、配置docker镜像加速
k8s-01:~ # cd conf/
k8s-01:/opt/k8s/conf # cat > daemon.json <<-EOF
{
"registry-mirrors": ["https://bk6kzfqm.mirror.aliyuncs.com"],
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2",
"storage-opts": [
"overlay2.override_kernel_check=true"
]
}
EOF
1.4.2、配置docker为systemctl管理
k8s-01:/opt/k8s/conf # cd /opt/k8s/conf/
k8s-01:/opt/k8s/conf # cat > docker.service <<-EOF
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
[Service]
Type=notify
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
ExecStart=/usr/bin/dockerd \$DOCKER_NETWORK_OPTIONS
EnvironmentFile=-/run/flannel/docker
ExecReload=/bin/kill -s HUP \$MAINPID
TimeoutSec=0
RestartSec=2
Restart=always
# Note that StartLimit* options were moved from "Service" to "Unit" in systemd 229.
# Both the old, and new location are accepted by systemd 229 and up, so using the old location
# to make them work for either version of systemd.
StartLimitBurst=3
# Note that StartLimitInterval was renamed to StartLimitIntervalSec in systemd 230.
# Both the old, and new name are accepted by systemd 230 and up, so using the old name to make
# this option work for either version of systemd.
StartLimitInterval=60s
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
# Comment TasksMax if your systemd version does not support it.
# Only systemd 226 and above support this option.
TasksMax=infinity
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes
# kill only the docker process, not all processes in the cgroup
KillMode=process
[Install]
WantedBy=multi-user.target
EOF
1.4.3、启动docker服务
#!/usr/bin/env bash
source /opt/k8s/bin/k8s-env.sh
for host in ${NODE_IPS[@]}
do
printf "\e[1;34m${host}\e[0m\n"
ssh root@${host} "mkdir /etc/docker"
scp /opt/k8s/packages/docker/* ${host}:/usr/bin/
scp /opt/k8s/conf/daemon.json ${host}:/etc/docker/
scp /opt/k8s/conf/docker.service ${host}:/etc/systemd/system/
ssh root@${host} "systemctl daemon-reload && \
systemctl enable docker --now && \
systemctl status docker | grep Active"
done
1.4.4、查看所有节点docker和flannel的网卡是否为同一网段
#!/usr/bin/env bash
source /opt/k8s/bin/k8s-env.sh
for host in ${NODE_IPS[@]}
do
printf "\e[1;34m${host}\e[0m\n"
ssh root@${host} 'ifconfig | egrep "docker*|flannel*" -A 1'
done
