#准备软件源 sudo apt install docker.io sudo systemctl enable docker
Install Docker -CEnode
add key:linux
https_proxy=192.168.199.249:30999 wget https://download.docker.com/linux/ubuntu/gpg -O docker.key sudo apt-key add docker.key
add sourcegit
sudo echo "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic edge" > /etc/apt/sources.list.d/docker.list sudo apt update sudo apt install docker-ce
确保kubelet使用的cgroup driver 与 Docker的一致。要么使用下面的方法更新 Docker:github
cat << EOF > /etc/docker/daemon.json { "exec-opts": ["native.cgroupdriver=systemd"] } EOF
而后重启Docker服务,运行:docker
sudo systemctl daemon-reload sudo systemctl restart docker
按照如下步骤操做:json
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add sudo apt-add-repository "deb http://apt.kubernetes.io/ kubernetes-xenial main" #安装基础支持软件 sudo apt install kubeadm kubectl kubelet #关闭磁盘交换 sudo swapoff -a #清除防火墙设置 sudo iptables -F #设置域名 sudo hostnamectl set-hostname kubernetes-master #初始化环境,注意这个版本号必定要指定(不然会挂起)。 #指定使用CoreDNS做为名称服务,能够不指定--feature-gates CoreDNS=true,则使用默认的kubedns服务。 sudo kubeadm init --kubernetes-version=v1.11.2 --pod-network-cidr=10.244.0.0/16 --feature-gates CoreDNS=true #指定IP地址,1.12.2版本: # sudo kubeadm init --kubernetes-version=v1.12.2 --apiserver-advertise-address=10.1.1.201 --pod-network-cidr=10.244.0.0/16 --feature-gates CoreDNS=true #建立用户配置文件 mkdir -p $HOME/.kube kubernetes-master:~$ sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config kubernetes-master:~$ sudo chown $(id -u):$(id -g) $HOME/.kube/config #安装网络 kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml #启用主控机同时做为工做节点 kubectl taint nodes --all node-role.kubernetes.io/master- #查看结果 kubectl get pods --all-namespaces
!!!不过,有两个问题:ubuntu
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 6A030B21BA07F4FB
而后执行sudo apt update及其后面的安装步骤。api
#查看日志: kubectl get pods --namespace kube-system kubectl --namespace kube-system logs kube-flannel-ds-bvxd2 #上面的kube-flannel-ds-bvxd2为flannel的pod名称,根据get pods返回的名称输入。 #编辑 /etc/kubernetes/manifests/kube-controller-manager.yaml 在command节,加入: - --allocate-node-cidrs=true - --cluster-cidr=10.244.0.0/16 而后system restart kubelet便可。
该问题解决办法的详细参考:https://github.com/coreos/flannel/issues/728网络
参考:app
目前kubernetes最新版本是1.11.2,能够从我作的镜像库上拉取:
echo "" echo "==========================================================" echo "Pull Kubernetes 1.11.1 Images from aliyuncs.com ......" echo "==========================================================" echo "" MY_REGISTRY=registry.cn-hangzhou.aliyuncs.com/openthings ## 拉取镜像 docker pull ${MY_REGISTRY}/k8s-gcr-io-kube-apiserver-amd64:v1.11.2 docker pull ${MY_REGISTRY}/k8s-gcr-io-kube-controller-manager-amd64:v1.11.2 docker pull ${MY_REGISTRY}/k8s-gcr-io-kube-scheduler-amd64:v1.11.2 docker pull ${MY_REGISTRY}/k8s-gcr-io-kube-proxy-amd64:v1.11.2 docker pull ${MY_REGISTRY}/k8s-gcr-io-etcd-amd64:3.2.18 docker pull ${MY_REGISTRY}/k8s-gcr-io-pause-amd64:3.1 docker pull ${MY_REGISTRY}/k8s-gcr-io-coredns:1.1.3 ## 添加Tag docker tag ${MY_REGISTRY}/k8s-gcr-io-kube-apiserver-amd64:v1.11.2 k8s.gcr.io/kube-apiserver-amd64:v1.11.2 docker tag ${MY_REGISTRY}/k8s-gcr-io-kube-scheduler-amd64:v1.11.2 k8s.gcr.io/kube-scheduler-amd64:v1.11.2 docker tag ${MY_REGISTRY}/k8s-gcr-io-kube-controller-manager-amd64:v1.11.2 k8s.gcr.io/kube-controller-manager-amd64:v1.11.2 docker tag ${MY_REGISTRY}/k8s-gcr-io-kube-proxy-amd64:v1.11.2 k8s.gcr.io/kube-proxy-amd64:v1.11.2 docker tag ${MY_REGISTRY}/k8s-gcr-io-etcd-amd64:3.2.18 k8s.gcr.io/etcd-amd64:3.2.18 docker tag ${MY_REGISTRY}/k8s-gcr-io-pause-amd64:3.1 k8s.gcr.io/pause-amd64:3.1 docker tag ${MY_REGISTRY}/k8s-gcr-io-coredns:1.1.3 k8s.gcr.io/coredns:1.1.3 echo "" echo "==========================================================" echo "Pull Kubernetes 1.11.2 Images FINISHED." echo "into registry.cn-hangzhou.aliyuncs.com/openthings, " echo " by openthings@https://my.oschina.net/u/2306127." echo "==========================================================" echo ""
把上面的内容保存为脚本文件,运行便可。
而后再去运行kubeadm init进行集群的初始化工做。
重启系统后,发现kubelet服务没有起来,首先检查:
nano /etc/fstab #注释掉里面的swap一行。
最后,/etc/systemd/system/kubelet.service.d/10-kubeadm.conf 文件加入KUBELET_CGROUP_ARGS和KUBELET_EXTRA_ARGS参数,注意在启动参数中也要加入,以下:
[Service] Environment="KUBELET_CGROUP_ARGS=--cgroup-driver=systemd" Environment="KUBELET_EXTRA_ARGS=--fail-swap-on=false" ExecStart= ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_SYSTEM_PODS_ARGS $KUBELET_NETWORK_ARGS $KUBELET_DNS_ARGS $KUBELET_AUTHZ_ARGS $KUBELET_CADVISOR_ARGS $KUBELET_CERTIFICATE_ARGS $KUBELET_CGROUP_ARGS $KUBELET_EXTRA_ARGS
systemctl daemon-reload systemctl restart kubelet