Windows上的Kubelet

时间:2018-11-27 11:56:51

标签: windows kubernetes

我已经在Windows上安装了Kubernetes,并按照Microsoft文档https://docs.microsoft.com/en-us/virtualization/windowscontainers/kubernetes/joining-windows-workers

的工作方式将其连接到Linux主服务器

docker版本

Client:
 Version:           18.03.1-ee-3
 API version:       1.37
 Go version:        go1.10.2
 Git commit:        b9a5c95
 Built:             Thu Aug 30 18:42:35 2018
 OS/Arch:           windows/amd64
 Experimental:      false

Server:
 Engine:
  Version:          18.03.1-ee-3
  API version:      1.37 (minimum version 1.24)
  Go version:       go1.10.2
  Git commit:       b9a5c95
  Built:            Thu Aug 30 18:56:49 2018
  OS/Arch:          windows/amd64
  Experimental:     false

kubectl版本

Client Version: version.Info{Major:"1", Minor:"11", GitVersion:"v1.11.4",...}
Server Version: version.Info{Major:"1", Minor:"11", GitVersion:"v1.11.4",...}

kubectl配置视图

apiVersion: v1
clusters:
- cluster:
    certificate-authority-data: REDACTED
    server: https://10.1.0.6:6443
  name: kubernetes
contexts:
- context:
    cluster: kubernetes
    user: kubernetes-admin
  name: kubernetes-admin@kubernetes
current-context: kubernetes-admin@kubernetes
kind: Config
preferences: {}
users:
- name: kubernetes-admin
  user:
    client-certificate-data: REDACTED
    client-key-data: REDACTED

在运行带有相关参数的start.ps1脚本之后,它可以很好地连接到Kubernetes,但不能解析任何服务DNS:

kubectl获取节点

NAME              STATUS    ROLES     AGE       VERSION
dckazumstr        Ready     master    3d        v1.11.4
dckazunonprod01   Ready     <none>    31m       v1.11.4
dckazunonprod02   Ready     <none>    18h       v1.11.4
dckazuslave       Ready     <none>    39m       v1.11.4

kubectl获取服务

NAME            TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE
consul          ClusterIP   10.98.247.75    <none>        8500/TCP       1h

容器上的输出具有以下内容:

Failed to resolve consul: lookup consul: no such host

Linux从属服务器能够解析DNS:

ping consul
PING consul.default.svc.cluster.local (10.98.247.75) 56(84) bytes of data

Consul只是一个测试部署,因为我们已经可以使用compose了,所以知道它应该可以工作。

由于错误,我手动运行了脚本的组成部分,并在运行start-kubelet.ps1时遇到了以下错误

E1127 11:19:44.638355    5500 server.go:711] Kubelet needs to run as uid `0`. It is being run as -1
E1127 11:19:46.030649    5500 kubelet_network.go:102] Failed to ensure that nat chain KUBE-MARK-DROP exists: error creating chain "KUBE-MARK-DROP": executable file not found in %PATH%: 
E1127 11:19:46.056554    5500 helpers.go:735] eviction manager: failed to construct signal: "allocatableMemory.available" error: system container "pods" not found in metrics

有人可以告诉我这些消息是否正常,还是DNS问题是由其他原因引起的?

编辑: 显示start.ps1的选项

.\start.ps1 -ManagementIP 10.1.0.4 -ClusterCIDR 10.244.0.0/16 -ServiceCIDR 10.96.0.0/12 -KubeDnsServiceIP 10.96.0.10

要显示这些详细信息是正确的:

kubeadm init --pod-network-cidr=10.244.0.0/16 --service-cidr=10.96.0.0/12

kubectl集群信息转储

--service-cluster-ip-range=10.96.0.0/12"

kubectl获取svc / kube-dns -n kube-system

NAME       TYPE        CLUSTER-IP 
kube-dns   ClusterIP   10.96.0.10 

kubectl get po --all-namespaces -o wide

NAMESPACE     NAME                                 READY     STATUS    RESTARTS   AGE       IP             NODE              NOMINATED NODE
default       consul-7cdfb788c4-cn7pm              1/1       Running   0          2d        10.244.2.60    dckazunonprod02   <none>
default       consul-7cdfb788c4-k4n4q              1/1       Running   0          2d        10.244.2.61    dckazunonprod02   <none>
default       consul-lin-77b87d549c-d5hrc          1/1       Running   0          2d        10.244.0.102   dckazumstr        <none>
default       consul-lin-77b87d549c-kg6ks          1/1       Running   0          2d        10.244.1.5     dckazuslave       <none>
kube-system   etcd-dckazumstr                      1/1       Running   1          5d        10.1.0.6       dckazumstr        <none>
kube-system   kube-apiserver-dckazumstr            1/1       Running   1          5d        10.1.0.6       dckazumstr        <none>
kube-system   kube-controller-manager-dckazumstr   1/1       Running   1          5d        10.1.0.6       dckazumstr        <none>
kube-system   kube-dns-86c47599bd-kdbz6            3/3       Running   0          5d        10.244.1.2     dckazuslave       <none>
kube-system   kube-flannel-ds-amd64-j8lxq          1/1       Running   0          5d        10.1.0.6       dckazumstr        <none>
kube-system   kube-flannel-ds-amd64-xpvl9          1/1       Running   0          5d        10.1.0.7       dckazuslave       <none>
kube-system   kube-proxy-bbn2l                     1/1       Running   1          5d        10.1.0.7       dckazuslave       <none>
kube-system   kube-proxy-z96b6                     1/1       Running   1          5d        10.1.0.6       dckazumstr        <none>
kube-system   kube-scheduler-dckazumstr            1/1       Running   1          5d        10.1.0.6       dckazumstr 

问题与CoreDNS相同,已更改为排除DNS服务。

0 个答案:

没有答案