k8s-ceph

How to add job files

1, Add/modify files under jobfiles/ directory.

2, Increase k8s job YAML file image spec's tag, for example v1 -> v2.

3, Git commit, and tag it.

git ci -m 'your commit message'
git tag -m 'v<n>' v<n>
git push
git push --tags

How to run job

Create persistent volume first,

kubectl apply -f pvc.yml

Run a job:

kubectl apply -f fio-readwrite.yml

How to retrieve fio outputs

kubectl logs -l app=k8s-fio --tail=10000

How to clean

Clean k8s job resources

kubectl delete jobs -l app=k8s-fio

Clean k8s persistent volume claims

kubectl delete pvc -l app=k8s-fio

Clean k8s persistent volumes

For ceph, please remove images from ceph cluster, then run these commands:

kubectl delete pv $(kubectl get pv -ocustom-columns=NAME:{.metadata.name},CLAIM:{.spec.claimRef.name} --no-headers | awk '$2 == "fio-readwrite-pvc" { print $1 }')
kubectl delete pv $(kubectl get pv -ocustom-columns=NAME:{.metadata.name},CLAIM:{.spec.claimRef.name} --no-headers | awk '$2 == "fio-readonly-pvc" { print $1 }')