Difference between revisions of "Velero Backup Kubernetes"
Jump to navigation
Jump to search
| (8 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
| + | # Top | ||
| + | - https://stackoverflow.com/questions/75803242/velero-volume-snapshots-contain-no-data-when-restoring-a-backup | ||
| + | - https://velero.io/docs/main/contributions/minio/ | ||
| + | - https://velero.io/docs/main/file-system-backup/ | ||
| + | |||
| + | |||
| + | ## install-velero.sh | ||
| + | ``` | ||
| + | #!/bin/bash | ||
| + | set -eu | ||
| + | |||
| + | kubectl apply -f examples/minio/00-minio-deployment.yaml | ||
| + | sleep 10 | ||
| + | |||
| + | cat <<EOF> minio.credentials | ||
| + | [default] | ||
| + | aws_access_key_id=${MINIO_ACCESS_KEY} | ||
| + | aws_secret_access_key=${MINIO_SECRET_KEY} | ||
| + | EOF | ||
| + | |||
| + | velero install \ | ||
| + | --provider aws \ | ||
| + | --plugins velero/velero-plugin-for-aws:v1.5.5 \ | ||
| + | --bucket velero \ | ||
| + | --secret-file ./minio.credentials \ | ||
| + | --default-volumes-to-fs-backup \ | ||
| + | --use-node-agent \ | ||
| + | --use-volume-snapshots=false \ | ||
| + | --backup-location-config region=minio,s3ForcePathStyle="true",s3Url=http://minio.velero.svc:9000 | ||
| + | ``` | ||
| + | |||
| + | backup-restore.sh | ||
| + | ``` | ||
| + | set -ux | ||
| + | |||
| + | # kubectl delete ns nginx-example | ||
| + | # sleep 10 | ||
| + | kubectl apply -f examples/nginx-app/play.yaml | ||
| + | sleep 10 | ||
| + | |||
| + | rand=$(< /dev/urandom tr -dc a-z0-9 | head -c5) | ||
| + | kubectl -n nginx-example exec -it deploy/nginx-deployment -c nginx -- bash -c "echo foo was here > /var/log/nginx/foo.was.here.$rand.txt" | ||
| + | kubectl -n nginx-example exec -it deploy/nginx-deployment -c nginx -- ls -lhat /var/log/nginx | ||
| + | velero backup create "nginx-example-${rand}" --include-namespaces nginx-example --default-volumes-to-fs-backup --ttl 180h | ||
| + | echo done | ||
| + | |||
| + | echo delete; sleep 15 | ||
| + | kubectl delete namespace nginx-example | ||
| + | sleep 10 | ||
| + | kubectl get namespace/nginx-example || sleep 10 | ||
| + | echo restore; sleep 5 | ||
| + | velero restore create --from-backup "nginx-example-${rand}" | ||
| + | sleep 10 | ||
| + | kubectl -n nginx-example exec -it deploy/nginx-deployment -- ls -lhat /var/log/nginx | ||
| + | ``` | ||
| + | |||
| + | ## uninstall.sh | ||
| + | ``` | ||
| + | kubectl delete namespace/velero clusterrolebinding/velero | ||
| + | kubectl delete crds -l component=velero | ||
| + | kubectl delete ns nginx-example | ||
| + | ``` | ||
| + | |||
| + | # Other | ||
https://velero.io/docs/v1.6/examples/ | https://velero.io/docs/v1.6/examples/ | ||
| + | |||
| + | https://learn.microsoft.com/en-us/azure/aks/hybrid/backup-workload-cluster#install-velero-with-minio-storage | ||
https://learn.microsoft.com/en-us/azure/aks/hybrid/backup-workload-cluster#install-velero-with-azure-blob-storage | https://learn.microsoft.com/en-us/azure/aks/hybrid/backup-workload-cluster#install-velero-with-azure-blob-storage | ||
| Line 6: | Line 72: | ||
https://github.com/vmware-tanzu/velero | https://github.com/vmware-tanzu/velero | ||
| + | |||
| + | https://velero.io/docs/main/file-system-backup/ | ||
| + | |||
| + | https://velero.io/docs/main/file-system-backup/#how-backup-and-restore-work | ||
Latest revision as of 03:12, 17 June 2023
Top
- https://stackoverflow.com/questions/75803242/velero-volume-snapshots-contain-no-data-when-restoring-a-backup
- https://velero.io/docs/main/contributions/minio/
- https://velero.io/docs/main/file-system-backup/
install-velero.sh
#!/bin/bash
set -eu
kubectl apply -f examples/minio/00-minio-deployment.yaml
sleep 10
cat <<EOF> minio.credentials
[default]
aws_access_key_id=${MINIO_ACCESS_KEY}
aws_secret_access_key=${MINIO_SECRET_KEY}
EOF
velero install \
--provider aws \
--plugins velero/velero-plugin-for-aws:v1.5.5 \
--bucket velero \
--secret-file ./minio.credentials \
--default-volumes-to-fs-backup \
--use-node-agent \
--use-volume-snapshots=false \
--backup-location-config region=minio,s3ForcePathStyle="true",s3Url=http://minio.velero.svc:9000
backup-restore.sh
set -ux
# kubectl delete ns nginx-example
# sleep 10
kubectl apply -f examples/nginx-app/play.yaml
sleep 10
rand=$(< /dev/urandom tr -dc a-z0-9 | head -c5)
kubectl -n nginx-example exec -it deploy/nginx-deployment -c nginx -- bash -c "echo foo was here > /var/log/nginx/foo.was.here.$rand.txt"
kubectl -n nginx-example exec -it deploy/nginx-deployment -c nginx -- ls -lhat /var/log/nginx
velero backup create "nginx-example-${rand}" --include-namespaces nginx-example --default-volumes-to-fs-backup --ttl 180h
echo done
echo delete; sleep 15
kubectl delete namespace nginx-example
sleep 10
kubectl get namespace/nginx-example || sleep 10
echo restore; sleep 5
velero restore create --from-backup "nginx-example-${rand}"
sleep 10
kubectl -n nginx-example exec -it deploy/nginx-deployment -- ls -lhat /var/log/nginx
uninstall.sh
kubectl delete namespace/velero clusterrolebinding/velero kubectl delete crds -l component=velero kubectl delete ns nginx-example
Other
https://velero.io/docs/v1.6/examples/
https://foxutech.medium.com/how-to-take-azure-kubernetes-backup-using-velero-3a841753a9f7
https://github.com/vmware-tanzu/velero
https://velero.io/docs/main/file-system-backup/
https://velero.io/docs/main/file-system-backup/#how-backup-and-restore-work