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install nginx ingress controller AKS

Shrikant Bhagwat 21 Reputation points
2021-08-01T02:47:21.587+00:00

Hi
What is use of NGIX Ingress Controller ?
How do I install NGIX Controller
I have yaml file given by vendor

************************* INGRESS CONFIGURATION **************************

MANDATORY in cloud deployments

ingress:

enabled: true - To enable ingress configuration

enabled: true
annotations:
nginx.ingress.kubernetes.io/affinity: "cookie"
nginx.ingress.kubernetes.io/session-cookie-name: "route"
nginx.ingress.kubernetes.io/session-cookie-expires: "86400"
nginx.ingress.kubernetes.io/session-cookie-max-age: "86400"
# kubernetes.io/ingress.class: nginx
# kubernetes.io/tls-acme: "true"

ac:

hosts:

# host: <dns name>

- host: lab-ac.med.umich.edu

# Enables Backend SSL between Ingress Controller and AC

https: true

paths:

# /path: AC service port to redirect traffic

/: 2443

idp:
hosts:
# host: <dns name>

  • host: lab-weblogin.med.umich.edu
    # Enables Backend SSL between Ingress Controller and IDP
    https: true
    # /path: IDP service port to redirect traffic
    paths:
    /nidp: 8443
    ag:
    hosts:
    # host: <dns name>
  • host: www.cloudag.com
    # Enables Backend SSL between Ingress Controller and AG
    https: true
    # /path: AG service port to redirect traffic
    paths:
    /: 443
  • host: dbmh.cloudag.com
    # Enables Backend SSL between Ingress Controller and AG
    https: false
    # /path: AG service port to redirect traffic
    paths:
    /proxy1: 80

TLS configuration for all hosts in AC, IDP and AG

tls:
#- secretName: cloudag
# hosts:
# - www.cloudag.com
#- secretName: cloudidp
# hosts:

  • lab-weblogin.med.umich.edu

Let us know Do i need to make change in yaml file.

Azure Kubernetes Service (AKS)
Azure Kubernetes Service (AKS)
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
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  1. shiva patpi 13,171 Reputation points Microsoft Employee
    2021-08-01T18:16:24.317+00:00

    Hello @Shrikant Bhagwat ,
    I think you have to start with basics of "Ingress" before you jump onto inginx controller.

    Check out the below article which starts with "Ingress" -> "IngressController" -> "NginxIngressController"
    https://github.com/nginxinc/kubernetes-ingress

    Then see how NGINX Ingress Controller works behind the scenes:
    https://kubernetes.github.io/ingress-nginx/how-it-works/

    Once you are done with above basics , use the below document to deploy a sample POD and how to access it via NGINX Ingress controller

    https://learn.microsoft.com/en-us/azure/aks/ingress-basic

    Deploying NGINX Ingress Controller with example:

    https://matthewpalmer.net/kubernetes-app-developer/articles/kubernetes-ingress-guide-nginx-example.html

    (With above 2 running examples , I think all your above queries will be answered)
    (You just need to configure/Customize the above mentioned YAML files based upon your client provided values)

    Let us know if you need additional help on this .

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  2. Shrikant Bhagwat 21 Reputation points
    2021-08-01T19:41:01.75+00:00

    Thanks for Documentation

    Following are my nodes

    PS C:\WINDOWS\system32> kubectl get nodes -o wide
    NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
    aks-agentpool-20294322-vmss000000 Ready agent 2d11h v1.20.7 10.240.0.4 <none> Ubuntu 18.04.5 LTS 5.4.0-1051-azure containerd://1.4.4+azure
    aks-agentpool-20294322-vmss000001 Ready agent 2d11h v1.20.7 10.240.0.5 <none> Ubuntu 18.04.5 LTS 5.4.0-1051-azure containerd://1.4.4+azure

    Are these IP Address Private IP Address each node ?
    Do they have Cluster IP ?
    Are these separate standalone nodes or cluster with 2 nodes ?

    I did setup Ingress Controller based on documentation

    PS C:\WINDOWS\system32> kubectl --namespace default get services -o wide -w nam-ingress-ingress-nginx-controller
    NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
    nam-ingress-ingress-nginx-controller LoadBalancer 10.0.254.117 52.147.218.30 80:30363/TCP,443:31634/TCP 24h app.kubernetes.io/component=controller,app.kubernetes.io/instance=nam-ingress,app.kubernetes.io/name=ingress-nginx

    PS C:\WINDOWS\system32> kubectl get pods,svc
    NAME READY STATUS RESTARTS AGE
    pod/nam-ingress-ingress-nginx-controller-65d74469d9-j9r9w 1/1 Running 0 25h
    pod/nginx 1/1 Running 0 25h
    pod/node-debugger-aks-agentpool-20294322-vmss000000-g8xt9 0/1 Completed 0 5h2m

    NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
    service/kubernetes ClusterIP 10.0.0.1 <none> 443/TCP 2d16h
    service/nam-ingress-ingress-nginx-controller LoadBalancer 10.0.254.117 52.147.218.30 80:30363/TCP,443:31634/TCP 25h
    service/nam-ingress-ingress-nginx-controller-admission ClusterIP 10.0.129.117 <none> 443/TCP 25h
    PS C:\WINDOWS\system32>

    I have application provided by vendor which is supposed to installed by Helm Package Manager. They require NGIX:Ingress to be configured.

    Based on output above, do you think Ingress is configured ?
    Thanks