Rollback strategies for failed updates in MLOps - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to rollback a deployment using Kubernetes command.

MLOps

kubectl rollout [1] deployment/my-app

Drag options to blanks, or click blank then click option'

Arollback

Bundo

Crestart

Dstatus

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'undo' instead of 'rollback' causes an error.

Using 'restart' only restarts pods, not rollback.

The correct command to rollback a deployment in Kubernetes is kubectl rollout rollback.

2fill in blank

medium

Complete the command to check the rollout status of a deployment.

MLOps

kubectl rollout [1] deployment/my-app

Drag options to blanks, or click blank then click option'

Arestart

Bhistory

Cstatus

Dpause

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'restart' does not show status.

Using 'history' shows past rollouts, not current status.

The command kubectl rollout status shows the status of the deployment rollout.

3fill in blank

hard

Fix the error in the command to rollback to revision 2.

MLOps

kubectl rollout rollback deployment/my-app --to-revision=[1]

Drag options to blanks, or click blank then click option'

Aversion2

Brevision=2

Crev2

D2

Attempts:

3 left

💡 Hint

Common Mistakes

Adding words like 'revision=2' causes command failure.

Using 'rev2' or 'version2' is invalid syntax.

The correct syntax requires just the revision number, like --to-revision=2.

4fill in blank

hard

Fill both blanks to create a command that pauses and then resumes a deployment rollout.

MLOps

kubectl rollout [1] deployment/my-app && kubectl rollout [2] deployment/my-app

Drag options to blanks, or click blank then click option'

Apause

Bresume

Crestart

Dstatus

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'restart' instead of 'resume' does not continue the paused rollout.

Using 'status' does not affect rollout state.

First pause the rollout with pause, then resume it with resume.

5fill in blank

hard

Fill all three blanks to create a dictionary comprehension that filters failed updates and stores their revision numbers.

MLOps

failed_updates = {rev[1]: status[2] for rev, status in updates.items() if status [3] 'failed'}

Drag options to blanks, or click blank then click option'

A_num

B_code

C==

D!=

Attempts:

3 left

💡 Hint

Common Mistakes

Using '!=' would select non-failed updates.

Mixing suffixes causes unclear dictionary keys or values.

The keys are named with _num, values with _code, and we filter where status equals 'failed'.