4.1 Manage Long-lived and Short-lived Applications Using the Kubernetes Workload API

Question 1

Como crear un job date-job con la imagen registry.access.redhat.com/ubi8/ubi para ejecutar date

Answer 1

oc create job date-job –image registry.access.redhat.com/ubi8/ubi – /bin/bash -c “date”

Question 2

Como se puede crear un cronjob de la imagen registry.access.redhat.com/ubi8/ubi para programar cada minuto “date”

Answer 2

oc create cronjob date-cronjob
–image registry.access.redhat.com/ubi8/ubi
–schedule “*/1 * * * *”
– date

Question 3

Como se puede crear un deployment my-deployment con el registry registry.access.redhat.com/ubi8/ubi y 3 replicas

Answer 3

oc create deployment
my-deployment
–image registry.access.redhat.com/ubi8/ubi
–replicas 3

Question 4

Ejemplo de replicaSet con 1 replica labels app:http y pod-template-hash:

Answer 4

apiVersion: apps/v1
kind: ReplicaSet
…output omitted…
spec:
replicas: 1
selector:
matchLabels:
app: httpd
pod-template-hash: 7c84fbdb57
…output omitted…