- Take me to Practice Test
Solutions to practice test - rolling updates and rollback
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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.
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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.
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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.