如何将kubernetes从v1.10.0升级到v1.10.11 [英] how to upgrade kubernetes from v1.10.0 to v1.10.11
问题描述
我通过1.9下的kubeadm安装了kubernetes，并使用kubeadm upgrade将其升级到1.10.0.我对1.10.x感到非常满意，并且不想在升级到任何新版本时都处理潜在的问题.
i installed kubernetes via kubeadm under the 1.9 and upgraded it to 1.10.0 a while back using kubeadm upgrade. i'm quite happy with 1.10.x and don't want to deal with potential issues with upgrading to anything newer just yet.
所以我想升级到1.10.11.
So i would like to upgrade to 1.10.11.
我尝试过
$ kubeadm upgrade plan v1.10.11
[preflight] Running pre-flight checks.
[upgrade] Making sure the cluster is healthy:
[upgrade/config] Making sure the configuration is correct:
[upgrade/config] Reading configuration from the cluster...
[upgrade/config] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -oyaml'
[upgrade/plan] computing upgrade possibilities
[upgrade] Fetching available versions to upgrade to
[upgrade/versions] Cluster version: v1.10.0
[upgrade/versions] kubeadm version: v1.10.11
[upgrade/versions] Latest stable version: v1.13.1
[upgrade/versions] Latest version in the v1.1 series: v1.1.8
[upgrade/versions] WARNING: No recommended etcd for requested kubernetes version (v1.13.1)
Components that must be upgraded manually after you have upgraded the control plane with 'kubeadm upgrade apply':
COMPONENT CURRENT AVAILABLE
Kubelet 5 x v1.10.0 v1.13.1
2 x v1.10.3 v1.13.1
1 x v1.10.5 v1.13.1
2 x v1.9.6 v1.13.1
Upgrade to the latest stable version:
COMPONENT CURRENT AVAILABLE
API Server v1.10.0 v1.13.1
Controller Manager v1.10.0 v1.13.1
Scheduler v1.10.0 v1.13.1
Kube Proxy v1.10.0 v1.13.1
Kube DNS 1.14.8 1.14.8
Etcd 3.1.12 N/A
You can now apply the upgrade by executing the following command:
kubeadm upgrade apply v1.13.1
Note: Before you can perform this upgrade, you have to update kubeadm to v1.13.1.
_____________________________________________________________________
似乎要我升级到1.13！
it seems to want me to upgrade to 1.13!
我如何/just/从我的v1.10.0设置升级到v1.10.11?
how can i /just/ upgrade from my v1.10.0 setup to v1.10.11?
推荐答案
我能够将kubernetes集群从1.10.0升级到1.10.11.
I am able to upgrade my kubernetes cluster from 1.10.0 to 1.10.11.
[root@ centos]# kubectl get nodes
NAME STATUS ROLES AGE VERSION
ip-.ec2.internal Ready master 2m v1.10.0
这是分步说明:
export VERSION="1.10.11"
export ARCH=amd64
wget https://storage.googleapis.com/kubernetes-release/release/v1.10.11/bin/linux/amd64/kubeadm > /usr/bin/kubeadm
chmod a+rx /usr/bin/kubeadm
现在检查kubeadm升级计划
Now check the kubeadm upgrade plan
[root@ centos]# kubeadm upgrade plan
[preflight] Running pre-flight checks.
[upgrade] Making sure the cluster is healthy:
[upgrade/config] Making sure the configuration is correct:
[upgrade/config] Reading configuration from the cluster...
[upgrade/config] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -oyaml'
[upgrade/plan] computing upgrade possibilities
[upgrade] Fetching available versions to upgrade to
[upgrade/versions] Cluster version: v1.10.11
[upgrade/versions] kubeadm version: v1.10.11
[upgrade/versions] Latest stable version: v1.13.1
[upgrade/versions] Latest version in the v1.1 series: v1.1.8
[upgrade/versions] WARNING: No recommended etcd for requested kubernetes version (v1.13.1)
Components that must be upgraded manually after you have upgraded the control plane with 'kubeadm upgrade apply':
COMPONENT CURRENT AVAILABLE
Kubelet 1 x v1.10.0 v1.13.1
Upgrade to the latest stable version:
COMPONENT CURRENT AVAILABLE
API Server v1.10.11 v1.13.1
Controller Manager v1.10.11 v1.13.1
Scheduler v1.10.11 v1.13.1
Kube Proxy v1.10.11 v1.13.1
Kube DNS 1.14.8 1.14.8
Etcd 3.1.12 N/A
You can now apply the upgrade by executing the following command:
kubeadm upgrade apply v1.13.1
Note: Before you can perform this upgrade, you have to update kubeadm to v1.13.1.
现在您应该使用而不是升级到适用于v1.13.1的版本:
Now instead of upgrade apply to v1.13.1 you should use:
kubeadm upgrade apply 1.10.11
[preflight] Running pre-flight checks.
[upgrade] Making sure the cluster is healthy:
[upgrade/config] Making sure the configuration is correct:
[upgrade/config] Reading configuration from the cluster...
[upgrade/config] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -oyaml'
[upgrade/version] You have chosen to change the cluster version to "v1.10.11"
[upgrade/versions] Cluster version: v1.10.11
[upgrade/versions] kubeadm version: v1.10.11
[upgrade/confirm] Are you sure you want to proceed with the upgrade? [y/N]: y
.......
[bootstraptoken] Configured RBAC rules to allow the csrapprover controller automatically approve CSRs from a Node Bootstrap Token
[bootstraptoken] Configured RBAC rules to allow certificate rotation for all node client certificates in the cluster
[addons] Applied essential addon: kube-dns
[addons] Applied essential addon: kube-proxy
[upgrade/successful] SUCCESS! Your cluster was upgraded to "v1.10.11". Enjoy!
现在请遵循升级的官方文档此处，您将能够启动并运行系统:
Now follow the official documentation of upgrade here and you will be able to get the system up and running:
使用以下方法排空主节点:
Drain the master nodes using:
kubectl drain ip-.ec2.internal --ignore-daemonsets
使用以下命令升级kubelet和kubeadm软件包:
Upgrade the kubelet and kubeadm package using:
yum upgrade kubelet-1.10.11 kubeadm-1.10.11 --disableexcludes=kubernetes
重新启动kubelet并取消密码主机:
Restart kubelet and uncordon the host:
systemctl restart kubelet
kubectl uncordon $HOST
现在您将能够启动系统并运行它:
And now you will be able to get you system up and running:
[root@ip- centos]# kubectl get nodes
NAME STATUS ROLES AGE VERSION
ip-.ec2.internal Ready master 32m v1.10.11
[root@ip- centos]# kubectl get pods
NAME READY STATUS RESTARTS AGE
nginx-deployment-75675f5897-pmmkc 1/1 Running 0 9m
nginx-deployment-75675f5897-wshgz 1/1 Running 0 9m
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