kubernetes dashoboard“尝试访问服务时出错:'proxyconnect tcp:拨号tcp:查找$ http_proxy:没有这样的主机”

时间:2020-01-25 01:47:33

标签: kubernetes proxy reverse-proxy kubernetes-dashboard

我按照“ https://github.com/kubernetes/dashboard”中的说明安装了k8s仪表板。

但是,我无法访问此URL。 http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/

我收到

「Error trying to reach service: 'proxyconnect tcp: dial tcp: lookup $http_proxy: no such host」.

(我可以访问此URL。 http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/

这是我的状态。我的集群似乎没问题。 (而且我处于代理环境下,但是docker pull没有问题。)

# kubectl get nodes
NAME         STATUS   ROLES    AGE   VERSION
k8s-master   Ready    master   43h   v1.17.1
k8s-worker   Ready    <none>   39h   v1.17.2

# kubectl get pods --all-namespaces
NAMESPACE              NAME                                         READY   STATUS    RESTARTS   AGE
kube-system            coredns-6955765f44-g9nzl                     1/1     Running   1          44h
kube-system            coredns-6955765f44-vxldl                     1/1     Running   1          44h
kube-system            etcd-k8s-master                              1/1     Running   4          44h
kube-system            kube-apiserver-k8s-master                    1/1     Running   3          44h
kube-system            kube-controller-manager-k8s-master           1/1     Running   3          44h
kube-system            kube-proxy-5bzwf                             1/1     Running   3          44h
kube-system            kube-proxy-5z84p                             1/1     Running   0          40h
kube-system            kube-scheduler-k8s-master                    1/1     Running   4          44h
kube-system            weave-net-l5ptw                              2/2     Running   3          40h
kube-system            weave-net-qcwk2                              2/2     Running   0          40h
kubernetes-dashboard   dashboard-metrics-scraper-7b64584c5c-wxsd2   1/1     Running   0          57m
kubernetes-dashboard   kubernetes-dashboard-566f567dc7-b88n2        1/1     Running   0          57m


# docker info | grep Proxy
HTTP Proxy: http://10.227.74.6:3128
HTTPS Proxy: http://10.227.74.6:3128
No Proxy: localhost,127.0.0.1,10.227.74.4,10.227.74.37,10.96.0.0/12,10.244.0.0/16

# cat /etc/bashrc
export http_proxy=http://10.227.74.6:3128
export https_proxy=http://10.227.74.6:3128
export no_proxy="localhost,127.0.0.1,10.227.74.4,10.227.74.37,10.96.0.0/12,10.244.0.0/16"

我想我的代理设置不好,但是我不确定应该如何解决。

对不起,我英语不好。请回答这个问题。

# curl http://localhost:8001/api/v1/namespaces/kubernetes- 
dashboard/services/

{
"kind": "ServiceList",
"apiVersion": "v1",
"metadata": {
"selfLink": "/api/v1/namespaces/kubernetes-dashboard/services/",
"resourceVersion": "448220"
},
"items": [
{
"metadata": {
"name": "dashboard-metrics-scraper",
...........

# curl http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/
Error trying to reach service: 'proxyconnect tcp: dial tcp: lookup $http_proxy: no such host'

# curl http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/#/login
Error trying to reach service: 'proxyconnect tcp: dial tcp: lookup $http_proxy: no such host'

2 个答案:

答案 0 :(得分:0)

由于您的公司代理设置,这可能是间歇性的问题。该网址对我有用。

http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/#/login

答案 1 :(得分:0)

我注意到的第一件事是,您对http和https使用相同的网址:

# docker info | grep Proxy
HTTP Proxy: http://10.227.74.6:3128
HTTPS Proxy: http://10.227.74.6:3128

对于HTTPS代理,URL应以https开头。

修改/etc/sysconfig/docker文件,例如:

# cat /etc/sysconfig/docker
HTTP_PROXY="http://10.227.74.6:3128"
HTTPS_PROXY="http://10.227.74.6:3128"
NO_PROXY="localhost,127.0.0.1,10.227.74.4,10.227.74.37,10.96.0.0/12,10.244.0.0/16"

然后配置/etc/bashrc文件:

# cat /etc/bashrc
export http_proxy="http://10.227.74.6:3128"
export https_proxy="https://10.227.74.6:3128"
export no_proxy="localhost,127.0.0.1,10.227.74.4,10.227.74.37,10.96.0.0/12,10.244.0.0/16"

应用更改后,重新启动Docker守护程序。

请在代理设置期间执行以下步骤:proxy-configuration

有关设置代理的详细信息,您可以在这里找到:proxy-server