kubeadm方式部署k8s集群
官方文档:
https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/
kubeadm部署k8s高可用集群的官方文档:
https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/high-availability/
获取镜像
在docker hub拉取相应的镜像并重新打标:
docker pull mirrorgooglecontainers/kube-apiserver:v1.16.1
docker tag mirrorgooglecontainers/kube-apiserver:v1.16.1 k8s.gcr.io/kube-apiserver:v1.16.1
docker pull mirrorgooglecontainers/kube-controller-manager:v1.16.1
docker tag mirrorgooglecontainers/kube-controller-manager:v1.16.1 k8s.gcr.io/kube-controller-manager:v1.16.1
docker pull mirrorgooglecontainers/kube-scheduler:v1.16.1
docker tag mirrorgooglecontainers/kube-scheduler:v1.16.1 k8s.gcr.io/kube-scheduler:v1.16.1
docker pull mirrorgooglecontainers/kube-proxy:v1.16.1
docker tag mirrorgooglecontainers/kube-proxy:v1.16.1 k8s.gcr.io/kube-proxy:v1.16.1
docker pull mirrorgooglecontainers/pause:3.1
docker tag mirrorgooglecontainers/pause:3.1 k8s.gcr.io/pause:3.1
docker pull mirrorgooglecontainers/etcd:3.3.10
docker tag mirrorgooglecontainers/etcd:3.3.10 k8s.gcr.io/etcd:3.3.10-1
docker pull coredns/coredns:1.3.1
docker tag coredns/coredns:1.3.1 k8s.gcr.io/coredns:1.3.1
每次部署都会有版本更新下图是1.15版本的具体镜像:
从docker hub拉取google的镜像也非常慢,慢的不行,没有拉取下来
下载镜像,,
docker pull k8s.gcr.io/kube-apiserver:v1.16.1
docker pull k8s.gcr.io/kube-proxy:v1.16.1
docker pull k8s.gcr.io/kube-controller-manager:v1.16.1
docker pull k8s.gcr.io/kube-scheduler:v1.16.1
docker pull k8s.gcr.io/etcd:3.3.15
docker pull k8s.gcr.io/pause:3.1
docker pull k8s.gcr.io/coredns:1.6.2
由于镜像每次都要更新,所以下载时需要修改版本
阿里仓库下载
[root@k8s-master ~]# docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.17.4
[root@k8s-master ~]# docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.17.4
[root@k8s-master ~]# docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.17.4
[root@k8s-master ~]# docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.17.4
[root@k8s-master ~]# docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:1.6.5
[root@k8s-master ~]# docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.4.3-0
[root@k8s-master ~]# docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.1
docker pull quay-mirror.qiniu.com/coreos/flannel:v0.12.0-amd64 --下载网络插件的配置文件
下载完了之后需要将aliyun下载下来的所有镜像打成k8s.gcr.io/kube-controller-manager:v1.17.0这样的tag
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.17.4 k8s.gcr.io/kube-controller-manager:v1.17.4
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.17.4 k8s.gcr.io/kube-proxy:v1.17.4
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.17.4 k8s.gcr.io/kube-apiserver:v1.17.4
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.17.4 k8s.gcr.io/kube-scheduler:v1.17.4
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:1.6.5 k8s.gcr.io/coredns:1.6.5
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.4.3-0 k8s.gcr.io/etcd:3.4.3-0
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.1 k8s.gcr.io/pause:3.1
版本号不用变
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.4.3-0 k8s.gcr.io/etcd:3.4.3-0
[root@k8s-master ~]# docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.1 k8s.gcr.io/pause:3.1
所有机器都必须有镜像
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安装docker--三台机器都操作
# yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine
# yum install -y yum-utils device-mapper-persistent-data lvm2 git
# yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# yum install docker-ce -y
启动并设置开机启动