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Mistake in LAB Labels and Selectors Question#4
Question#4
Identify the POD which is part of the prod environment, the finance BU and of frontend tier?
The BU in UPPERCASE is wrong in the question as it should be in lowercase as otherwise the CLI do not find anything:
controlplane ~ ➜ kubectl get all --selector env=prod,BU=finance,tier=frontend
No resources found in default namespace.
While when it is in lowercaps
controlplane ~ ➜ kubectl get all --selector env=prod,bu=finance,tier=frontend
NAME READY STATUS RESTARTS AGE
pod/app-1-zzxdf 1/1 Running 0 3m58s
It is also mentioned in lowercaps in the Hints tab
Please fix it.
incorrect REVISION sequence number under section "Updating a Deployment"
When going through the example of Updating a Deployment
Just before the "Undo a change" subheading the example have the correct output:
controlplane $ kubectl rollout history deployment nginx
deployment.apps/nginx
REVISION CHANGE-CAUSE
1 <none>
2 kubectl set image deployment nginx nginx=nginx:1.17 --record=true
3 kubectl edit deployments.apps nginx --record=true
Till here the REVISION sequence number is correct.
After that If we follow the instructions for the subheading "Undo a change"
The REVISION number is now changed:
controlplane $ kubectl rollout history deployment nginx
deployment.apps/nginx
REVISION CHANGE-CAUSE
1
3 kubectl edit deployments.apps nginx --record=true
4 kubectl set image deployment nginx nginx=nginx:1.17 --record=true
This makes it very unclear and not possible to follow the example further.
The correct output should be:
controlplane ~ ➜ kubectl rollout history deployment
deployment.apps/nginx
REVISION CHANGE-CAUSE
1 <none>
2 kubectl set image deployment nginx nginx=nginx:1.17 --record=true
3 kubectl edit deployments.apps nginx --record=true
Where, REVISION#3 is the current revision where we have deployed the nginx:latest version
controlplane ~ ➜ kubectl describe deployments. nginx | grep -i image:
Image: nginx:latest
To roll back to the previous version (nginx:1.17 which is REVISION#2) we use the rollout undo command:
controlplane ~ ➜ kubectl rollout undo deployment nginx --to-revision=2
deployment.apps/nginx rolled back
Now, checking the rollout history:
controlplane ~ ➜ kubectl rollout history deployment nginx
deployment.apps/nginx
REVISION CHANGE-CAUSE
1 <none>
3 kubectl edit deployments.apps nginx --record=true
4 kubectl set image deployment nginx nginx=nginx:1.17 --record=true
Verifying the currently deployment nginx version
controlplane ~ ➜ kubectl describe deployments.apps/nginx | grep -i image:
Image: nginx:1.17
Please fix it.
Feel free to let me know if you need any help!!
data missing
Hi, I think this repo is not updated, I need resources for this course, I purchased the course on udemy with same email id, please help
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