k8s-Notready

 

 

journalctl -u kubelet --no-pager
"Failed to run kubelet" err="failed to run Kubelet: misconfiguration: kubelet cgroup driver: \"systemd\" is different from docker cgroup driver: \"cgroupfs\""

kubernetes官方推荐docker等使用systemd作为cgroupdriver

mkdir /etc/docker
cat > /etc/docker/daemon.json <<EOF
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "storage-driver": "overlay2",
  "storage-opts": [
    "overlay2.override_kernel_check=true"
  ],
  "data-root": "/data/docker"
}
EOF

 

root@master01:/etc/docker# cat daemon.json
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "registry-mirrors": ["https://e83z5xiz.mirror.aliyuncs.com"],
  "insecure-registries": ["192.168.80.250:80"],
  "log-opts": {
    "max-size": "100m"
  },
  "storage-driver": "overlay2",
  "storage-opts": [
    "overlay2.override_kernel_check=true"
  ],
  "data-root": "/var/lib/docker"
}

 

root@master01:~# kubectl get node
NAME             STATUS   ROLES    AGE     VERSION
192.168.80.202   Ready    master   3d21h   v1.21.0
192.168.80.203   Ready    master   3d21h   v1.21.0
192.168.80.204   Ready    master   3d21h   v1.21.0

 

root@master01:~# calicoctl node status
Calico process is running.

IPv4 BGP status
+----------------+-------------------+-------+----------+-------------+
|  PEER ADDRESS  |     PEER TYPE     | STATE |  SINCE   |    INFO     |
+----------------+-------------------+-------+----------+-------------+
| 192.168.80.203 | node-to-node mesh | up    | 12:58:34 | Established |
| 192.168.80.204 | node-to-node mesh | up    | 12:58:35 | Established |
+----------------+-------------------+-------+----------+-------------+

IPv6 BGP status
No IPv6 peers found.

 

root@master01:~# docker info |grep Cgroup
 Cgroup Driver: systemd
 Cgroup Version: 1