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Move down more general rule #216

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@lwronski lwronski commented Jul 14, 2022

Hello, I tried to deploy train-ticket using Istio-deplyoment, so I prepared the ansible cookbook:

- name: Clone train-ticket repo
   ansible.builtin.git:
     repo: 'https://github.com/FudanSELab/train-ticket.git'
     dest: train-ticket
     depth: 1

 - name: Deploy databases
   command: kubectl create -f train-ticket/deployment/kubernetes-manifests/k8s-with-istio/ts-deployment-part1.yml

 - name: Deploy services
   command: kubectl create -f train-ticket/deployment/kubernetes-manifests/k8s-with-istio/ts-deployment-part2.yml

 - name: Deploy UI
   command: kubectl create -f train-ticket/deployment/kubernetes-manifests/k8s-with-istio/ts-deployment-part3.yml

 - name: Install Istio
   command: istioctl install --skip-confirmation --set profile=demo

 - name: Create Istio gateway
   command: kubectl apply -f train-ticket/deployment/kubernetes-manifests/k8s-with-istio/trainticket-gateway.yaml

It almost worked, but when I opened the admin panel and then changed the tab to the admin user panel, and in the browser I saw the following error:

Screenshot 2022-07-13 at 19 36 13

and in istio-ingressgateway container printed the following error logs:

[2022-07-13T19:29:34.762Z] "GET /api/v1/adminuserservice/users HTTP/1.1" 503 NC cluster_not_found - "-" 0 0 0 - "172.31.27.25" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36" "33713451-40a2-9566-b05e-341bd3352f07" "a7fd3a1ba915d490ba940626b00fc5c8-747781355.us-east-1.elb.amazonaws.com" "-" - - 172.31.19.161:8080 172.31.27.25:49655 - -

So I invested it and found the cause of the problem. I think there is a problem with the order of defined rules in trainticket-gateway.yaml.

The most general rule prefix: / is matched to request /api/v1/adminuserservice/users and istio redirect request to 16116 instead of 16115.

After reordering the rules, the problem no longer occurs and I can add a user in admin panel.

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