Openshift 错误解决 "修改cgroup driver"

openshift version

openshift v3.6.0+c4dd4cf

kubernetes v1.6.1+5115d708d7

etcd 3.2.1

cat /etc/redhat-release


CentOS Linux release 7.3.1611 (Core)

docker version:

[root@master ~]# docker version

Client:

 Version:       17.12.0-ce-rc3

 API version:   1.35

 Go version:    go1.9.2

 Git commit:    80c8033

 Built: Thu Dec 14 00:40:35 2017

 OS/Arch:       linux/amd64

Server:

 Engine:

  Version:      17.12.0-ce-rc3

  API version:  1.35 (minimum version 1.12)

  Go version:   go1.9.2

  Git commit:   80c8033

  Built:        Thu Dec 14 00:43:11 2017

  OS/Arch:      linux/amd64

  Experimental: false

[root@master ~]#

错误信息

failed to run Kubelet: failed to create kubelet: misconfiguration: kubelet cgroup driver: "systemd" is different from docker cgroup driver: "cgroupfs"

解决

vi /usr/lib/systemd/system/docker.service

改为

#ExecStart=/usr/bin/dockerd

ExecStart=/usr/bin/dockerd --exec-opt native.cgroupdriver=systemd

重启docker

systemctl daemon-reload

systemctl restart docker