mohanpedala/k8s-ingress

Kubernetes Ingress

Create a simple nginx and ingress-controller to expose PODS.

• Created this scenario on Macbook pro:

  • Install Docker for mac: version Engine: 18.xx.x
  • Enable Kubernetes: Click on Docker icon on the taskbar --> Preferences --> Kubernetes

• create a nginx-controller using the below command.

  kubectl apply -f mandatory.yaml

• Enable ingress add-on.

  kubectl apply -f cloud-generic.yaml

• Verify the nginx-controller pod

  kubectl get pods --all-namespaces -l app=ingress-nginx

Service creation

Create 3 services to deploy on a namespace dev

• Create a file ns-dev.yaml
• Deploy the microservices using the configuration in micro-services.yaml

  $ kubectl apply -f micro-services.yaml

• Create ingress.yaml to route the requests to /hello /banana /apple
• Deploy ingress rules

  $ kubectl apply -f ingress.yaml

• Check the pods and ingress rule

  $ kubectl get all -n dev
  

  

  $ kubectl get ingress -n dev
  

  
• Append mohan.local.com in /etc/hosts

  127.0.0.1	localhost mohan.local.com
  

• Verify the output

  $ curl -kv mohan.local.com/hello
  
  output:
  *   Trying ::1...
  * TCP_NODELAY set
  * Connection failed
  * connect to ::1 port 80 failed: Connection refused
  *   Trying 127.0.0.1...
  * TCP_NODELAY set
  * Connected to mohan.local.com (127.0.0.1) port 80 (#0)
  > GET /hello HTTP/1.1
  > Host: mohan.local.com
  > User-Agent: curl/7.54.0
  > Accept: */*
  >
  < HTTP/1.1 200
  < Server: nginx/1.15.9
  < Date: Fri, 29 Mar 2019 20:33:41 GMT
  < Content-Type: application/json;charset=UTF-8
  < Content-Length: 18
  < Connection: keep-alive
  <
  * Connection #0 to host mohan.local.com left intact
  {"status":"hello"}%
  

For Ingress Update documentation click here

Ingress Custom configuration click here