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usage.md

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Once Keda has been deployed successfully on the Supervisor, deploy NGINX within your vSphere Namespace. To do so, follow the steps below.

  1. Download the NGINX example as a reference for a simple deployment.

  2. Log in to the Supervisor - 10.220.3.18 is the Supervisor IP address in this example - with a user with owner/edit access to the vSphere Namespace - user@vsphere.local in this example.

$ kubectl vsphere login --server 10.220.3.18 -u user@vsphere.local
  1. To deploy NGINX to the vSphere Namespace - demo1 in this example - set the context appropriately.
$ kubectl config use-context demo1
  1. Use kubectl to deploy the file -nginx-deployment.yaml in this example - downloaded in Step 1.
$ kubectl apply -f nginx-deployment.yaml
  1. Upon successful deployment, the following should be the status. There should be 0 NGINX pods deployed as the deployment manifest states replicas: 0
$ kubectl get deployment
k get deployment -n demo1
NAME               READY   UP-TO-DATE   AVAILABLE   AGE
nginx-deployment    0/0    0            0           43m

  1. Download the scaledobject example as a reference yaml for scaling the NGINX deployment based on a trigger type cron. The example will scale the nginx-deployment to 10 replicas from 6AM to 8PM EST. Modify the values in the YAML accordingly.

  2. Use kubectl to deploy the file -scaledobject-instance.yaml in this example - downloaded in Step 6.

$ kubectl apply -f scaledobject-instance.yaml
  1. The NGINX deployment should have scaled to 10 replicas if you are within the cron window.
$ date
Fri May 03 15:48:52 EDT 2024

$ kubectl get pods -n demo1
NAME                               READY   STATUS    RESTARTS   AGE
...
nginx-deployment-8bdf8c964-5g579   1/1     Running   0          58m
nginx-deployment-8bdf8c964-7g5jn   1/1     Running   0          58m
nginx-deployment-8bdf8c964-c7s4q   1/1     Running   0          58m
nginx-deployment-8bdf8c964-cgmx4   1/1     Running   0          58m
nginx-deployment-8bdf8c964-l54jj   1/1     Running   0          58m
nginx-deployment-8bdf8c964-pptp8   1/1     Running   0          58m
nginx-deployment-8bdf8c964-tj5p9   1/1     Running   0          58m
nginx-deployment-8bdf8c964-vqjgc   1/1     Running   0          58m
nginx-deployment-8bdf8c964-w92rg   1/1     Running   0          58m
nginx-deployment-8bdf8c964-zxbl2   1/1     Running   0          58m