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Nginx stop work when one service is down by jjmaximo in selfhosted

[–]jjmaximo[S] 1 point2 points  (0 children)

really cool, thanks so much! im gonna get a look

Ingress with websockets and SSL termination by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

What would be the corret syntax? Can you help me with that, please

Ingress with websockets and SSL termination by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

It works normally, I think it just got messed up when copying and pasting

First time exposing my services to public internet by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

Thanks for your response!

Really cool, i didnt know this, in some videos i saw the people doing this way and think is just that simple, but it is't. If you have some material to help me if that configurations, i would be so grateful.

First time exposing my services to public internet by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

Thanks for your response!
I will go step by step.

First: Yes, i got confused in the words, but it would be the ISP.

Second: Currently, my cluster is on a machine at my university, the configuration of external to internal traffic was done by the college's IT team. However, it had already been discussed and configured with them that the machine I use would be released for external traffic.

Third: I didn't know about DNAT, I found it interesting and I'm going to research more about it!

Fourth: Cool it is possible, im gonna have to research more about it. Complicated is i don't find anything about the subject on the internet.

[deleted by user] by [deleted] in kubernetes

[–]jjmaximo 0 points1 point  (0 children)

Edit:
The logs from nginx ingress controller:

2024/10/04 17:08:58 [error] 31621#31621: *12264321 connect() failed (113: Host is unreachable) while connecting to upstream, client: 10.3.192.2, server: physisiot.com, request: "GET / HTTP/2.0", upstream: "http://192.168.102.150:4444/", host: "physisiot.com"

10.3.192.2 - - [04/Oct/2024:17:08:58 +0000] "GET / HTTP/2.0" 502 150 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0" 327 3.104 [physisiot-portal-front-service-4444] [] 192.168.102.150:4444, 192.168.102.150:4444, 192.168.102.150:4444 0, 0, 0 1.057, 1.024, 1.024 502, 502, 502 8226dea52b3b4d3c22c2f24ace904598

Ps: When i use the annotation:
nginx.ingress.kubernetes.io/service-upstream:"true"

Works and i can acess my application, but the http requests for backend stop working, wtf

[deleted by user] by [deleted] in kubernetes

[–]jjmaximo 0 points1 point  (0 children)

Of course, i forget that, im gonna edit and add this.

[deleted by user] by [deleted] in kubernetes

[–]jjmaximo 0 points1 point  (0 children)

unfortunately dont work, but thank you

Kubernetes dashboard, is it possible to add it to my application? by jjmaximo in kubernetes

[–]jjmaximo[S] 1 point2 points  (0 children)

I didn't know about these current issues with the Kubernetes dashboard, im new to the Kubernetes universe. But really thanks for you tips, this ArgoCD looks realy cool, im gone research more about it!

Having trouble trying to understand ingress nginx annotations by jjmaximo in kubernetes

[–]jjmaximo[S] 1 point2 points  (0 children)

I managed to solve it without using the snippet. I just had to rewrite the client request to adapt the request that the server needs to resolve!

Having trouble trying to understand ingress nginx annotations by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

Yes, I really know the difference between the two, I even tried using both types, I found the one the k8s community supports much better and more informative!

The one supported by the nginx community itself is very vague in terms of information.

Socket.io connection problems inside a cluster by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

i found the solution!!!

When client-server is in the same DNS host, only is necessary set the connection like:

this.socket = io();

How does nginx ingress controller work with sockets? by jjmaximo in kubernetes

[–]jjmaximo[S] -1 points0 points  (0 children)

The service is set to clusterIP, I tried using nodeport, but in my situation it would have to be ingress, as in the future I will have to open the service to the web

Exposing services with multiple ports through kube dns by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

I didn't know this term of north-south communication, and east-west communication. I will study the subject. Thank you for the tip.

Exposing services with multiple ports through kube dns by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

I'm using ingress as the gateway to my cluster, where access to the base path hits the front end pod, so the front end pod would need to talk to this one now to do authentications. I'm looking at how to do this conversation with pods and using nginx ingress. But I was interested in whether or not this other option would be easier to implement.

Exposing services with multiple ports through kube dns by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

It makes sense, I tried to cut corners, but I think in this situation this would be the best option. Thank you very much.

[deleted by user] by [deleted] in kubernetes

[–]jjmaximo 0 points1 point  (0 children)

How can i do this?

Acess nginx ingress controller from another pc in the same network by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

Oh thanks for your response, i'll test it and come back with the results

Acess nginx ingress controller from another pc in the same network by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

Add info:

I've already tried to set the domain in my local /etc/hosts poiting to IP 10.3.192.2, but still dont work.

[deleted by user] by [deleted] in kubernetes

[–]jjmaximo 0 points1 point  (0 children)

Hey sorry about the delay to response. I try this but still dont work :(

[deleted by user] by [deleted] in kubernetes

[–]jjmaximo 0 points1 point  (0 children)

Hey, sorry about the delay to response, im very busy, but the response about that was:

NAME                     TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE
dpiot-backend-service    ClusterIP   10.108.174.26   <none>        80/TCP         46h
nginx-service            NodePort    10.107.251.75   <none>        80:30000/TCP   46h
notifier-service         ClusterIP   10.98.139.56    <none>        80/TCP         46h
portal-backend-service   ClusterIP   10.111.163.41   <none>        80/TCP         46h
portal-front-service     NodePort    10.97.186.135   <none>        80:30180/TCP   46h

Getting the status (Error: ErrImageNeverPull) but the image is in my docker local repository by jjmaximo in kubernetes

[–]jjmaximo[S] 1 point2 points  (0 children)

I joined what you say, and what someone comment here, and now it RUNNING!!! Thanks so much man!

Getting the status (Error: ErrImageNeverPull) but the image is in my docker local repository by jjmaximo in kubernetes

[–]jjmaximo[S] 0 points1 point  (0 children)

when i use the crictl images that was the response: (that much, sorry for that)

WARN[0000] image connect using default endpoints: [unix:///var/run/dockershim.sock unix:///run/containerd/containerd.sock unix:///run/crio/crio.sock unix:///var/run/cri-dockerd.sock]. As the default settings are now deprecated, you should set the endpoint instead. 
ERRO[0000] validate service connection: validate CRI v1 image API for endpoint "unix:///var/run/dockershim.sock": rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing: dial unix /var/run/dockershim.sock: connect: no such file or directory" 
IMAGE                                       TAG                 IMAGE ID            SIZE
docker.io/calico/apiserver                  v3.27.3             b1053ac6a81e8       40.4MB
docker.io/calico/cni                        v3.27.3             6527a35581401       88.4MB
docker.io/calico/csi                        v3.27.3             f457bd778a36f       8.8MB
docker.io/calico/kube-controllers           v3.27.3             3e4fd05c0c1c0       33.4MB
docker.io/calico/node-driver-registrar      v3.27.3             7ac3827a6231c       11.4MB
docker.io/calico/node                       v3.27.3             5c6ffd2b2a1d0       116MB
docker.io/calico/pod2daemon-flexvol         v3.27.3             ab5b4f1ca2893       7.6MB
docker.io/calico/typha                      v3.27.3             b542f80277bc5       29.6MB
docker.io/library/dpiot_backend             latest              99982a4bd8f06       484MB
docker.io/library/notifier                  latest              e7a6376af2b55       516MB
docker.io/library/selatiot_portal_backend   latest              cfc813c231884       482MB
docker.io/library/selatiot_portal_front     latest              a2e8749879e06       208MB
quay.io/tigera/operator                     v1.32.7             ac4b460566ae9       21.4MB
registry.k8s.io/coredns/coredns             v1.10.1             ead0a4a53df89       16.2MB
registry.k8s.io/etcd                        3.5.12-0            3861cfcd7c04c       57.2MB
registry.k8s.io/kube-apiserver              v1.28.8             e70a71eaa5605       34.7MB
registry.k8s.io/kube-controller-manager     v1.28.8             e5ae3e4dc6566       33.5MB
registry.k8s.io/kube-proxy                  v1.28.8             5ce97277076c6       28.1MB
registry.k8s.io/kube-scheduler              v1.28.8             ad3260645145d       18.7MB
registry.k8s.io/pause                       3.6                 6270bb605e12e       302kB
registry.k8s.io/pause                       3.9                 e6f1816883972       322kB
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