MicroK8s问题集

ContainerCreating

当执行kubectl get pod -l app=xxx时，容器一直处于ContainerCreating状态， 使用kubectl describe pod xxx-xxx查看pod信息。

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kubelet does not have ClusterDNS IP configured and cannot create Pod using “ClusterFirst” policy. Falling back to “Default” policy.

没有启动dns服务，使用命令microk8s.enable dns dashboard启动dns。

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code = Unknown desc = failed pulling image “k8s.gcr.io/pause:3.1”: Error response from daemon: Get https://k8s.gcr.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

这是由于无法连接到国外服务器造成的，可以先从国内的服务器上拉取相应的镜像，然后修改成相应的版本即可。

docker pull registry.cn-beijing.aliyuncs.com/zhoujun/pause-amd64:3.1
docker pull registry.cn-beijing.aliyuncs.com/zhoujun/kube-proxy-amd64:v1.11.3
docker pull registry.cn-beijing.aliyuncs.com/zhoujun/kube-scheduler-amd64:v1.11.3
docker pull registry.cn-beijing.aliyuncs.com/zhoujun/coredns:1.1.3
docker pull registry.cn-beijing.aliyuncs.com/zhoujun/pause:3.1
docker pull registry.cn-beijing.aliyuncs.com/zhoujun/kube-controller-manager-amd64:v1.11.3
docker pull registry.cn-beijing.aliyuncs.com/zhoujun/kube-apiserver-amd64:v1.11.3
docker pull registry.cn-beijing.aliyuncs.com/zhoujun/etcd-amd64:3.2.18