Chapter 10. Deployments

Question 1

Command to resize a deployment:

Answer 1

kubectl scale deployments kuard –replicas=2

Question 2

What different strategies are supported by deployments ?

Answer 2

Recreate

RollingUpdate

Question 3

Command to get the status of a current deployment in progress:

Answer 3

kubectl rollout status deployments kuard

Question 4

Command to get the history of rollouts associated with a deployment:

Answer 4

kubectl rollout history deployments kuard

Question 5

Command to pause a rollout:

Answer 5

kubectl rollout pause deployments kuard

Question 6

Command to resume a rollout

Answer 6

kubectl rollout resume deployments kuard

Question 7

Command to obtain more information about a specific revision

Answer 7

kubectl rollout history deployment kuard –revision=2

Question 8

Command to rollback a deployment

Answer 8

Kubectl rollout undo deployments kuard

Question 9

Command to rollback to a specific revsion

Answer 9

kubectl rollout undo deployments kuard –to-revision=3

Question 10

Property to limit the revision history

Answer 10

revisionHistoryLimit

Question 11

Which parameter is used to set a maximum of unavailable pods during rollout

Answer 11

maxUnavailable

Question 12

Parameter to control the maximum amount of extra resources that need to be created to achieve a rollout

Answer 12

maxSurge

Question 13

Parameter to establish the time that deployment must wait before moving into updating the next Pod

Answer 13

minReadySeconds

Question 14

Parameter to establish when a deployment can be considered failed

Answer 14

progressDeadlineSeconds

Question 15

Command to delete a deployment:

Answer 15

Imperative: kubectl delete deployments kuard
Declarative: kubectl delete -f kuard-deployment.yaml

Question 16

Command to delete just a deployment:

Answer 16

kubectl delete deployments kuard –cascade=false