Ceph » rgw

This is a part of issues discussed on ceph-devel ML: http://marc.info/?t=148671813300008

I tentatively configured multiple zonegroups in a single realm on single ceph cluster for evaluation of behavior of multiple zonegroups:

• zonegroup default (api_name east)
  • zone default http://node5:80
• zonegroup jp (master)
  • zone jp-east http://node5:8080 (master)
  • zone jp-west http://node5:8081
• zonegroup west
  • zone osaka http://node5:8082

With this configuration, a created user account is only synchronized from master zone to secondary zone in the same zonegroup:

1. When a user account is created on "jp-east" (master) zone, the user metadata is synchronized to "jp-west" zone. The user metadata is not synchronized to any zone in other zonegroups.
2. When a user account is created on "jp-west" (secondary) zone, the user metadate is not synchronized to any other zone.
3. When a user account is created on "default" or "osaka" zone (master of secondary zonegroup), the user metadate is not synchronized to any other zone.

Synchronization among zonegroups is related to #18346.
In addition, I feel 2nd behavior is asymmetric.

# radosgw-admin user create --uid=umeda --display-name="Umeda JP-WEST" --rgw-zonegroup=jp --rgw-zone=jp-west
{
    "user_id": "umeda",
    "display_name": "Umeda JP-WEST",
    "email": "",
    "suspended": 0,
    "max_buckets": 1000,
    "auid": 0,
    "subusers": [],
    "keys": [
        {
            "user": "umeda",
            "access_key": "N9YOH1DY6B4CEANLB97B",
            "secret_key": "FgPC3uabaOuATjRNm1TdCc9OLTDadjGQwEET1c4L" 
        }
    ],
    "swift_keys": [],
    "caps": [],
    "op_mask": "read, write, delete",
    "default_placement": "",
    "placement_tags": [],
    "bucket_quota": {
        "enabled": false,
        "max_size_kb": -1,
        "max_objects": -1
    },
    "user_quota": {
        "enabled": false,
        "max_size_kb": -1,
        "max_objects": -1
    },
    "temp_url_keys": []
}
# radosgw-admin metadata list user --rgw-zonegroup jp --rgw-zone jp-west
[
    "umeda",
    "sync-user",
    "test",
    "nishi" 
]
# radosgw-admin metadata list user --rgw-zonegroup jp --rgw-zone jp-east
[
    "sync-user",
    "test",
    "nishi" 
]