Practice Test - Rolling Updates and Rollback

Solutions to practice test - rolling updates and rollback

We have deployed a simple web application. Inspect the PODs and the Services
```
$ kubectl get pods
$ kubectl get services
```
What is the current color of the web application?
```
Access the web portal
```
Execute the script at /root/curl-test.sh.
Run the command 'kubectl describe deployment' and look at 'Desired Replicas'
```
$ kubectl describe deployment
```
Run the command 'kubectl describe deployment' and look for 'Images'
```
$ kubectl describe deployment
```
Run the command 'kubectl describe deployment' and look at 'StrategyType'
```
$ kubectl describe deployment
```
If you were to upgrade the application now what would happen?
```
PODs are upgraded few at a time
```
Run the command 'kubectl edit deployment frontend' and modify the required feild
```
$ kubectl edit deployment frontend
```
Execute the script at /root/curl-test.sh.
Look at the Max Unavailable value under RollingUpdateStrategy in deployment details

``` $ kubectl describe deployment ```
Run the command 'kubectl edit deployment frontend' and modify the required field. Make sure to delete the properties of rollingUpdate as well, set at 'strategy.rollingUpdate'.
```
$ kubectl edit deployment frontend
```
Run the command 'kubectl edit deployment frontend' and modify the required feild
```
$ kubectl edit deployment frontend
```
Execute the script at /root/curl-test.sh.

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