* Create PVC if possible even if SC is missing
When PVC is created with storageClassName and the SC is not found,
k8s looks for PV with the storageClassName for satisfying this claim.
In this case k8s supports also a blank (“”, not the nil default one)
storageClassName. To support this behavior we added:
-DV controller support for this flow (for both “” and non-existing SC)
-Condition update and event when StorageSpec PVC rendering errors and
PVC is not created (e.g. missing both AccessModes and SC/PV)
-PVC is created even if a satisfying SC/PV doesn't exist if pvc/storage
AccessModes is set (otherwise k8s PVC validation fails). PVC/DV phase
will be Pending until a satisfying SC/PV is found
-PV watch to reconcile DVs waiting for the PV storageClassName
-PV storageClassName indexer, so we can list the relevant PVs
Signed-off-by: Arnon Gilboa <agilboa@redhat.com>
* CR fixes
Signed-off-by: Arnon Gilboa <agilboa@redhat.com>
---------
Signed-off-by: Arnon Gilboa <agilboa@redhat.com>
- Split the huge DV controller into smaller op-specific DV controllers -
import, clone, upload
- Add common watch-adding function so each controller watches only its
relevant DVs
- Refactor the common Reconcile() to use interface DataVolumeReconciler
implemented by each controller
- Move all functions, structs, consts to the relevant controller
- Split the utests per controller
Signed-off-by: Arnon Gilboa <agilboa@redhat.com>
Signed-off-by: Arnon Gilboa <agilboa@redhat.com>