https://github.com/irq0/ceph/tree/wip/rgw-simple-file

• Data root - config option rgw simplefile data path
  • Directory buckets/
    • Directory $BUCKET_NAME
      • File RGWBucketInfo.json - JSON serialized RGWBucketInfo
      • Directory objects/
        • Directory hash(rgw_obj_key.name)
          • File rgw_bucket_dir_entry.json - JSON serialized rgw_bucket_dir_entry
          • File data - raw object data
  • Directory users/ - User data TBD

echo -n "testobject" | sha256sum

• https://stackoverflow.com/questions/50480924/regex-for-s3-bucket-name
• https://docs.aws.amazon.com/AmazonS3/latest/userguide/BucketRestrictions.html

https://github.com/irq0/ceph/tree/wip/rgw-filestore

• Moving bucket metadata objects to their own collection would simplify object listing and empty()

Add -DWITH_RADOSGW_SIMPLEFILE=ON to cmake. For example:

cmake  -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DWITH_CCACHE=ON  -DWITH_RADOSGW_DBSTORE=ON -DWITH_RADOSGW_SIMPLEFILE=ON  -DDIAGNOSTICS_COLOR=always ..

bin/radosgw --conf ceph-rgw.conf -d --no-mon-config

https://docs.ceph.com/en/latest/rados/troubleshooting/log-and-debug/

[global]
erasure code dir = /home/seri/WORKSPACE/ceph/build/lib
plugin dir = /home/seri/WORKSPACE/ceph/build/lib
run dir = /home/seri/WORKSPACE/ceph/build/out
crash dir = /home/seri/WORKSPACE/ceph/build/out
err to stderr = true
log to stderr = true
debug rgw = 20
debug rgw sync = 20
debug rocksdb = 1
debug filestore = 19
debug journal = 1

[client]
rgw backend store = simplefile
rgw enable ops log = true
rgw log object name = true
rgw simplefile data path = /home/seri/WORKSPACE/dev-ceph-rgw/rgw_data_dir