kubernetes 1.3.4版本之kubelet启动报错：
I0805 11:10:26.517174 2057 kubelet.go:2479] skipping pod synchronization - [container runtime is down]
E0805 11:10:26.567819 2057 kubelet.go:2837] Container runtime sanity check failed: container runtime version is older than 1.21 |
之前升级 kubernetes 1.2版本也遇到，详见：http://my.oschina.net/fufangchun/blog/677117
看了下docker的版本是1.8.2的，api是1.20的，之前kubernetes 1.2.0是没有问题的
| [root@localhost ~]# docker version
Client:
Version: 1.8.2-el7.centos
API version: 1.20
Package Version: docker-1.8.2-10.el7.centos.x86_64
Go version: go1.4.2
Git commit: a01dc02/1.8.2
Built:
OS/Arch: linux/amd64 Server:
Version: 1.8.2-el7.centos
API version: 1.20
Package Version:
Go version: go1.4.2
Git commit: a01dc02/1.8.2
Built:
OS/Arch: linux/amd64 |
确认是kube 1.3版本的需要docker的api版本是大于1.21，现在docker版本为：
| [root@localhost ~]# docker version
Client:
Version: 1.12.0
API version: 1.24
Go version: go1.6.3
Git commit: 8eab29e
Built:
OS/Arch: linux/amd64 Server:
Version: 1.12.0
API version: 1.24
Go version: go1.6.3
Git commit: 8eab29e
Built:
OS/Arch: linux/amd64 |
总结：
1、kubernetes 1.3版本，变动幅度较于kubernetes 1.2的不大，可以尝试下Pet Sets（Deployment的升级版）
2、kubernetes 1.3版本的需要docker的api版本是大于1.21的，可根据情况升级对应的docker版本
| yum update systemd systemd-libs systemd-sysv -y
vi docker.repo
[dockerrepo]
name=Docker Repository
baseurl=https://yum.dockerproject.org/repo/main/centos/$releasever/
enabled=1
gpgcheck=1
gpgkey=https://yum.dockerproject.org/gpg yum install docker-engine -y #有出现下载失败，手动下载，安装rpm
wget https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.12.0-1.el7.centos.noarch.rpm
wget https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.0-1.el7.centos.x86_64.rpm
rpm -ivh docker-engine-selinux-1.12.0-1.el7.centos.noarch.rpm
rpm -ivh docker-engine-1.12.0-1.el7.centos.x86_64.rpm |
来源：oschina
链接：https://my.oschina.net/u/727880/blog/727774
