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Google Exam Professional Cloud DevOps Engineer Topic 1 Question 70 Discussion

Actual exam question for Google's Professional Cloud DevOps Engineer exam
Question #: 70
Topic #: 1
[All Professional Cloud DevOps Engineer Questions]

You are building the Cl/CD pipeline for an application deployed to Google Kubernetes Engine (GKE) The application is deployed by using a Kubernetes Deployment, Service, and Ingress The application team asked you to deploy the application by using the blue'green deployment methodology You need to implement the rollback actions What should you do?

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Suggested Answer: B, D

by Paul at Jun 23, 2024, 10:30 AM

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Angelica
2 months ago
I'm just imagining the poor sysadmin frantically pressing 'Ctrl+Z' in the terminal, hoping for a rollback. Kubernetes is like a genie - you gotta be really specific with your wishes!
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Patria
2 months ago
D is just plain weird. Scaling the new Deployment to zero? That's like asking the Kubernetes equivalent of 'Have you tried turning it off and on again?'
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Queenie
21 days ago
You could also use the kubectl rollout history command to view the history of the Deployment and rollback to a specific revision.
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Sharmaine
1 months ago
It's always good to have a clear understanding of the decisions being made.
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Jenelle
1 months ago
I think we should discuss this with the application team to understand their reasoning.
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Lisandra
1 months ago
Maybe there's a reason behind it that we're not aware of.
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Azalee
2 months ago
I agree, that does seem like a strange approach.
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Merlyn
2 months ago
Another option is to update the image of the Deployment to the previous version.
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Yolando
2 months ago
You can use the kubectl rollout undo command to rollback to the previous version.
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Dorcas
3 months ago
C is an interesting approach, but it's a bit hacky. Updating the Service to point to the previous Deployment seems like a workaround, not a proper rollback.
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Maile
2 months ago
I agree, updating the Service to point to the previous Deployment is not a proper rollback solution.
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Detra
2 months ago
Rolling back to the previous Deployment is the safest way to handle a failed blue-green deployment.
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Buddy
2 months ago
You can use Kubernetes' built-in rollback feature to easily switch back to the previous Deployment.
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Willis
3 months ago
B is a terrible idea! Deleting container images and running pods will just create more problems. We should never manually delete production resources.
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Tambra
1 months ago
Let's create a script to handle the rollback actions automatically.
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Daniela
1 months ago
We should automate the rollback process to avoid any issues.
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Sharen
2 months ago
You're right, manually deleting production resources is risky.
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Janna
3 months ago
A is the correct answer. The 'kubectl rollout undo' command is the simplest and most efficient way to rollback a deployment in Kubernetes.
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Dominic
2 months ago
A is the correct answer. The 'kubectl rollout undo' command is the simplest and most efficient way to rollback a deployment in Kubernetes.
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Erasmo
3 months ago
A) Run the kubectl rollout undo command
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Ena
3 months ago
I'm not sure, but maybe updating the Kubernetes Service to point to the previous Deployment could also work for rollback
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Rosalyn
3 months ago
I agree with Francisca, that seems like the best option to rollback the deployment
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Francisca
3 months ago
I think we should run the kubectl rollout undo command for rollback
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