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cephrgw-operator/config/samples/05-adoption.yaml
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unkinben 54d3e38223
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Support adopting existing radosgw buckets and users
The operator previously assumed it created every user and bucket it managed:
reconciling an existing resource could overwrite its user attributes or wipe its
bucket policy, and deleting a CRD always deleted the underlying RGW object (only
Bucket had retainOnDelete). That made taking over pre-existing radosgw state
unsafe. Make adoption first-class.

- add retainOnDelete to ObjectStoreUser and BucketAccess (dedicated users), so
  deleting the CRD orphans the RGW user instead of deleting it (symmetric with
  Bucket)
- merge bucket policy instead of replacing it: the operator marks its own
  statements with a cephrgwop* Sid and preserves any statement it does not own,
  so adopting a bucket with a hand-written policy keeps it; add Bucket
  managePolicy (default true) to opt out of policy management entirely
- only reconcile user attributes the spec sets: DisplayName when non-empty and
  Suspended is now an optional *bool, so adopting a user does not reset them
- record adoption: ObjectStoreUser/Bucket status.adopted (+ printcolumn) is true
  when the RGW object already existed on first reconcile
- add GetBucketPolicy + MergeBucketPolicy; keyed adoption detection off the
  status identity field so a Pending owner wait does not mislabel it
- regenerate CRDs/deepcopy; add docs/adoption.md and
  config/samples/05-adoption.yaml; cover the merge in policy_test.go

Claude-Session: https://claude.ai/code/session_016CEncETbf8cvy1PhsHfFHM
2026-07-25 00:15:10 +10:00

32 lines
1.1 KiB
YAML

# Adopting an existing radosgw user + bucket. The operator takes them over in
# place: no recreation, existing keys reused, existing bucket policy preserved.
# retainOnDelete keeps the RGW objects if these CRDs are later deleted.
# See docs/adoption.md.
apiVersion: ceph.unkin.net/v1alpha1
kind: ObjectStoreUser
metadata:
name: legacy-owner
namespace: default
spec:
# uid must match the existing RGW user id.
uid: legacy-owner
# Set maxBuckets to the existing user's limit (it otherwise defaults to 1000
# and would be applied). Leave displayName/suspended unset to keep them as-is.
maxBuckets: 1000
retainOnDelete: true
---
apiVersion: ceph.unkin.net/v1alpha1
kind: Bucket
metadata:
name: legacy-data
namespace: default
spec:
# bucketName must match the existing bucket.
bucketName: legacy-data
ownerRef: legacy-owner
retainOnDelete: true
# managePolicy defaults to true: the operator merges its BucketAccess grants
# into the existing policy, preserving statements it does not own. Set it to
# false to leave the bucket policy entirely under manual control.
managePolicy: true