Comments (19)
tiagorosendo
commented on August 29, 2024
12
try put / after proxy, this work to me
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AlexeyAtIgloo
commented on August 29, 2024
3
@doggy8088 try this http://localhost:8001/ui/ or that http://localhost:8001/api/v1/namespaces/kube-system/services/kubernetes-dashboard/proxy/ url (assuming you are doing kubectl proxy)
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AlexeyAtIgloo
commented on August 29, 2024
2
@tiagorosendo Yep that did it, but interestingly http://localhost:8001/ui use to redirect to:
http://localhost:8001/api/v1/namespaces/kube-system/services/kubernetes-dashboard/proxy/
(just tested on latest version on minikube)
now it does not add / at the end of URL.
redirect from http://localhost:8001/ui/works fine.
Is that a misconfiguration of api-server or new behaviour?
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doggy8088
commented on August 29, 2024
1
Neither http://localhost:8001/ui nor http://localhost:8001/ui/ works.
I finally realized that it will work if you append a slash ( / ) after the http://localhost:8001/api/v1/namespaces/kube-system/services/kubernetes-dashboard/proxy url which the RIGHT url will be http://localhost:8001/api/v1/namespaces/kube-system/services/kubernetes-dashboard/proxy/ and all the problem will gone. 😢
It just a simply HTTP redirection issue but nasty. Not sure which k8s component should take the responsibility? kube-dashboard or kube-proxy?
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oriyastyle
commented on August 29, 2024
I am experiencing the same issue and putting / after proxy did not resolve the error. Kubectl client version is 1.8.1 and server version is 1.7.7. Any other suggestions?
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oriyastyle
commented on August 29, 2024
Update - not sure why but the dashboard worked this morning once you put / after proxy.
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doggy8088
commented on August 29, 2024
@AlexeyAtIgloo I got the same issue just exactly like you.
@tiagorosendo What do you mean try put / after proxy?
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doggy8088
commented on August 29, 2024
@AlexeyAtIgloo Yes, I do put slash ( / ) in end of this url. The problem is still exist.
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doggy8088
commented on August 29, 2024
I also tried on creating ACS for Windows Containers. Same issue. K8S Web UI unable to be shown correctly.
Here are the steps to reproduce this problem:
az group create -n K8SDemoACS7 -l eastus2az acs create -t kubernetes -g K8SDemoACS7 -l eastus2 -n myK8sCluster7 --agent-count=1 --windows --admin-username azueruser --admin-password Password1234 > acs_k8s_create.logaz acs kubernetes get-credentials --resource-group=K8SDemoACS7 --name=myK8sCluster7az acs kubernetes browse --resource-group=K8SDemoACS7 --name=myK8sCluster7
Then open http://localhost:8001/ui/ using any browser.
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JiangtianLi
commented on August 29, 2024
@AlexeyAtIgloo Does your cluster have Windows agent node or it is a Linux cluster only?
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doggy8088
commented on August 29, 2024
@JiangtianLi Due to his command: az acs create --orchestrator-type kubernetes --resource-group $CLUSTERNAME --name $CLUSTERNAME --master-count 3 --agent-count 3 --ssh-key-value <sensitive> --api-version 2017-07-01. That is a Linux agent node only.
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JiangtianLi
commented on August 29, 2024
@doggy8088 Thanks. That's what I thought. I was told that on a yammer thread, it mentioned the issue is about Windows. So just curious.
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JackQuincy
commented on August 29, 2024
I tried this with a 1.7.5 cluster just barely
calls that worked:
http://localhost:8001/api/v1/namespaces/kube-system/services/kubernetes-dashboard/proxy
http://localhost:8001/ui
I got the same error as the original poster on
http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy
that error might be related to azure docker sending large packets. Not sure. Side note I am on an old version of kubectl 1.5.3
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ams0
commented on August 29, 2024
All of a sudden my dashboard is back. I didn't do anything, really, just wait it out. Before (i.e. about 12 hours ago), I got this error:
$ curl http://localhost:8001/api/v1/namespaces/kube-system/services/kubernetes-dashboard/proxy
<!doctype html> <html ng-app="kubernetesDashboard"> <head> <meta charset="utf-8"> <title ng-controller="kdTitle as $ctrl" ng-bind="$ctrl.title()"></title> <link rel="icon" type="image/png" href="assets/images/kubernetes-logo.png"> <meta name="viewport" content="width=device-width"> <link rel="stylesheet" href="static/vendor.9aa0b786.css"> <link rel="stylesheet" href="static/app.8ebf2901.css"> </head> <body> <!--[if lt IE 10]>
<p class="browsehappy">You are using an <strong>outdated</strong> browser.
Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your
experience.</p>
<![endif]--> <kd-chrome layout="column" layout-fill=""> </kd-chrome> <script src="static/vendor.840e639c.js"></script> <script src="api/appConfig.json"></script> <script src="static/app.68d2caa2.js"></script> </body> </html>
And just now, same cluster, same browser, works fine.
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AlexeyAtIgloo
commented on August 29, 2024
@ams0 I don't think thats an error, thats a standard response to the curl client. I get same output on a working dashboard.
curl http://localhost:8001/api/v1/namespaces/kube-system/services/kubernetes-dashboard/proxy
<!doctype html> <html ng-app="kubernetesDashboard"> <head> <meta charset="utf-8"> <title ng-controller="kdTitle as $ctrl" ng-bind="$ctrl.title()"></title> <link rel="icon" type="image/png" href="assets/images/kubernetes-logo.png"> <meta name="viewport" content="width=device-width"> <link rel="stylesheet" href="static/vendor.9aa0b786.css"> <link rel="stylesheet" href="static/app.8ebf2901.css"> </head> <body> <!--[if lt IE 10]>
<p class="browsehappy">You are using an <strong>outdated</strong> browser.
Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your
experience.</p>
<![endif]--> <kd-chrome layout="column" layout-fill=""> </kd-chrome> <script src="static/vendor.840e639c.js"></script> <script src="api/appConfig.json"></script> <script src="static/app.68d2caa2.js"></script> </body> </html>
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AlexeyAtIgloo
commented on August 29, 2024
As we have a workaround with a slash at the end, I don't mind closing this as it is nothing major.
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doggy8088
commented on August 29, 2024
It's already an known issue here and been listed on kubernetes/dashboard's FAQ here: I am seeing 404 errors when trying to access Dashbord. Dashboard resources can not be loaded.
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doggy8088
commented on August 29, 2024
@AlexeyAtIgloo I think you can close this issue on your own.
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AlexeyAtIgloo
commented on August 29, 2024
@doggy8088 thanks for references. Closing it as it should be fixed in future API server.
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