[Bug 1914584] Re: radosgw-admin user create error message confusing if user with email already exists

[Ponnuvel Palaniyappan]

** Also affects: ceph (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: ceph (Ubuntu Hirsute)
   Importance: Undecided
       Status: New

** Also affects: ceph (Ubuntu Groovy)
   Importance: Undecided
       Status: New

** Also affects: ceph (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: cloud-archive
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1914584

Title:
  radosgw-admin user create error message confusing if user with email
  already exists

Status in Ceph:
  Unknown
Status in Ubuntu Cloud Archive:
  New
Status in ceph package in Ubuntu:
  New
Status in ceph source package in Bionic:
  New
Status in ceph source package in Focal:
  New
Status in ceph source package in Groovy:
  New
Status in ceph source package in Hirsute:
  New

Bug description:
  Hi,

  The error message if you try and create an S3 user with an email
  address that is already associated with another S3 account is very
  confusing.

  To reproduce:

  radosgw-admin user create --uid=foo --display-name="Foo test" --email=bar at domain.invalid
  #[ success ]
  radosgw-admin user create --uid=test --display-name="AN test" --email=bar at domain.invalid
  could not create user: unable to parse parameters, user id mismatch, operation id: foo does not match: test

  I've reported this upstream as https://tracker.ceph.com/issues/49137
  and will send a patch against master there in due course, but that
  won't get backported to Luminous.

  I attach a patch that improves the error message thus:
  radosgw-admin user create --uid=test --display-name="AN test" --email=bar at domain.invalid
  could not create user: unable to create user test because user id foo already exists with email bar at domain.invalid

  Could this be applied to the luminous Ceph packages you ship please?

  Thanks,

  Matthew

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ceph-common 12.2.13-0ubuntu0.18.04.6
  ProcVersionSignature: Ubuntu 4.15.0-106.107-generic 4.15.18
  Uname: Linux 4.15.0-106-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  Date: Thu Feb  4 11:13:55 2021
  ProcEnviron:
   LANG=en_US.UTF-8
   TERM=xterm
   SHELL=/bin/bash
   XDG_RUNTIME_DIR=<set>
   PATH=(custom, no user)
  SourcePackage: ceph
  UpgradeStatus: Upgraded to bionic on 2018-11-20 (807 days ago)
  modified.conffile..etc.logrotate.d.ceph-common: [modified]
  mtime.conffile..etc.default.ceph: 2018-03-13T17:08:17.501935
  mtime.conffile..etc.logrotate.d.ceph-common: 2019-06-17T16:40:55.496716

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