bug: Enabling discovery kubernetes services configuration doesn't list cluster existing endpoints in Dashboard Service list

[singhajitk]

Current Behavior

The cluster existing endpoints in not getting listed in Dashboard Service list after providing the discovery kubenetes services configuration

Expected Behavior

My understanding is that existing cluster endpoints should get listed or available after search in Dashboard Service list

Error Logs

No response

Steps to Reproduce

1. Install APISIX with the apache / apisix-helm-chart with discovery kubernetes services configuration

discovery:
  kubernetes:
    client:
      token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
    default_weight: 50
    service:
      host: ${KUBERNETES_SERVICE_HOST}
      port: ${KUBERNETES_SERVICE_PORT}
      schema: https

Environment

• APISIX version (run apisix version): - 3.8.0

• Operating system (run uname -a): Linux apisix-647b4867df-79542 5.4.0-136-generic test: only check part of schema. #153~18.04.1-Ubuntu SMP Wed Nov 30 15:47:57 UTC 2022 x86_64 GNU/Linux

• OpenResty / Nginx version (run openresty -V or nginx -V):
  nginx version: openresty/1.21.4.2
  built by gcc 10.2.1 20210110 (Debian 10.2.1-6)
  built with OpenSSL 3.2.0 23 Nov 2023
  TLS SNI support enabled

• etcd version, if relevant (run curl http://127.0.0.1:9090/v1/server_info): 404 Not Found

• APISIX Dashboard version, if relevant: 3.0.0

• Plugin runner version, for issues related to plugin runners:

• LuaRocks version, for installation issues (run luarocks --version): luarocks: command not found

[shreemaan-abhishek]

Dashboard Service list

What is Dashboard Service list? Please elaborate your problem and provide more details on reproduction steps. A set of steps containing self contained minimal configurations would be appreciated.

[singhajitk]

Dashboard Service list

What is Dashboard Service list? Please elaborate your problem and provide more details on reproduction steps. A set of steps containing self contained minimal configurations would be appreciated.

Hi @shreemaan-abhishek, Thanks for looking into this issue.

From the Dashboard Service list, I mean, in APISIX Dashboard UI, service page is not listing any of existing Kubernetes endpoints after enabling "discovery kubernetes service" configuration. I have attached screenshot below.

[shreemaan-abhishek]

can you confirm if the admin api also returns an empty result? this information is key to identify if the issue is with APISIX or just the dashboard.

[singhajitk]

can you confirm if the admin api also returns an empty result? this information is key to identify if the issue is with APISIX or just the dashboard.

Hi @shreemaan-abhishek ,
I did curl call for the admin api and it also returns empty list. The screenshot is attached

The configurations used for apisix is as below:

apisix-config.txt

kubernetes service discovery configuration:

discovery:
  kubernetes:
    client:
      token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
    default_weight: 50
    service:
      host: xx.xx.xx.xx
      port: "443"
      schema: https

[hanqingwu]

@singhajitk , I think you confuse about apisix service and Kubernetes service endpoints. The dashboard only show apisix service "A service consists of a combination of public plugin configuration and upstream target information in a route"
I think maybe there is no admin api to list Kubernetes service endpoints yet .

[singhajitk]

@singhajitk , I think you confuse about apisix service and Kubernetes service endpoints. The dashboard only show apisix service "A service consists of a combination of public plugin configuration and upstream target information in a route" I think maybe there is no admin api to list Kubernetes service endpoints yet .

Hi @hanqingwu, As per document apisix/discovery/kubernetes (https://apisix.apache.org/docs/apisix/discovery/kubernetes/)
documentation, It looks like kubernetes services should get listed. The apisix services are getting listed without providing the discovery->kubernetes configuration.

@shreemaan-abhishek, Please correct me if my understanding is wrong that "kubernetes services should get listed when discovery->kubernetes configuration" is enabled ?

[hanqingwu]

@singhajitk , From view source code , I don not find dump_data interface in discovery kubernetes .

[singhajitk]

@singhajitk , From view source code , I don not find dump_data interface in discovery kubernetes .

@hanqingwu, Thank you for looking into it.

@shreemaan-abhishek , will this feature get added ?

[hanqingwu]

@singhajitk, I add a interface to dump k8s data , like this.

curl http://127.0.0.1:9092/v1/discovery/kubernetes/dump

[singhajitk]

@singhajitk, I add a interface to dump k8s data , like this.

curl http://127.0.0.1:9092/v1/discovery/kubernetes/dump

@hanqingwu, Thank you for looking onto this. I will upgrade and try.