kubeadm 搭建K8S 1.18集群--安装docker

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陈不成i

修改于 2021-07-01 14:34:10

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文章被收录于专栏：ops技术分享ops技术分享

三.安装各模块

安装配置Docker

1.docker安装配置需要在所有节点上操作 export VERSION=19.03 curl -fsSL "https://get.docker.com/" | bash -s -- --mirror Aliyun

所有机器配置加速源并配置docker的启动参数使用systemd,使用systemd是官方的建议

mkdir -p /etc/docker/
cat>/etc/docker/daemon.json<<EOF
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "registry-mirrors": [
      "https://fz5yth0r.mirror.aliyuncs.com",
      "https://dockerhub.mirrors.nwafu.edu.cn/",
      "https://mirror.ccs.tencentyun.com",
      "https://docker.mirrors.ustc.edu.cn/",
      "https://reg-mirror.qiniu.com",
      "http://hub-mirror.c.163.com/",
      "https://registry.docker-cn.com"
  ],
  "storage-driver": "overlay2",
  "storage-opts": [
    "overlay2.override_kernel_check=true"
  ],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m",
    "max-file": "3"
  }
}
EOF

2.启动docker，检查状态是否正常 systemctl enable --now docker

3.查看docker info

[root@k8s-02 sysctl.d]# docker info
Client:
 Debug Mode: false
Server:
 Containers: 0
  Running: 0
  Paused: 0
  Stopped: 0
 Images: 0
 Server Version: 19.03.10
 Storage Driver: overlay2
  Backing Filesystem: xfs
  Supports d_type: true
  Native Overlay Diff: true
 Logging Driver: json-file
 Cgroup Driver: systemd
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 7ad184331fa3e55e52b890ea95e65ba581ae3429
 runc version: dc9208a3303feef5b3839f4323d9beb36df0a9dd
 init version: fec3683
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 5.6.4-1.el7.elrepo.x86_64
 Operating System: CentOS Linux 7 (Core)
 OSType: linux
 Architecture: x86_64
 CPUs: 1
 Total Memory: 1.915GiB
 Name: k8s-02
 ID: NVAE:PBC5:5AE5:TEW5:FWUQ:H4RQ:J6TD:J5KP:ZZS3:QUJF:ZOS3:4QET
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Registry Mirrors:
  https://fz5yth0r.mirror.aliyuncs.com/
  https://dockerhub.mirrors.nwafu.edu.cn/
  https://mirror.ccs.tencentyun.com/
  https://docker.mirrors.ustc.edu.cn/
  https://reg-mirror.qiniu.com/
  http://hub-mirror.c.163.com/
  https://registry.docker-cn.com/
 Live Restore Enabled: false

4.查看docker版本

[root@k8s-01 ~]# docker version
Client: Docker Engine - Community
 Version:           19.03.10
 API version:       1.40
 Go version:        go1.13.10
 Git commit:        9424aeaee9
 Built:             Thu May 28 22:18:06 2020
 OS/Arch:           linux/amd64
 Experimental:      false
Server: Docker Engine - Community
 Engine:
  Version:          19.03.10
  API version:      1.40 (minimum version 1.12)
  Go version:       go1.13.10
  Git commit:       9424aeaee9
  Built:            Thu May 28 22:16:43 2020
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.2.13
  GitCommit:        7ad184331fa3e55e52b890ea95e65ba581ae3429
 runc:
  Version:          1.0.0-rc10
  GitCommit:        dc9208a3303feef5b3839f4323d9beb36df0a9dd
 docker-init:
  Version:          0.18.0
  GitCommit:        fec3683

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