[Bug 1955345] Proposed package upload rejected

[Brian Murray]

An upload of ceph to focal-proposed has been rejected from the upload
queue for the following reason: "The patch d/p/bug1955345.patch doesn't
actually appear in the debdiff or d/p/series file.".

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https://bugs.launchpad.net/bugs/1955345

Title:
  Active ceph-mgr crashes on receiving report from a non-active mgr

Status in Ubuntu Cloud Archive:
  In Progress
Status in Ubuntu Cloud Archive ussuri series:
  New
Status in ceph package in Ubuntu:
  In Progress
Status in ceph source package in Focal:
  In Progress

Bug description:
  [Impact]
  An active ceph-mgr crashes and another ceph-mgr takes over and becomes
  the active mgr. But this could again hit same issue and crash and the cycle can continue indefinitely (previously crashed ceph-mgr gets restarted by systemd).

  This could affect the cluster stability/usability as ceph mgr handles
  a number of essential operations (modules that control/change Ceph
  cluster behaviour, metrics, etc).

  [Test Plan]
  Deploy and operate a Ceph cluster normally.
  Increase the log level of mgr to 20.
  Observe MMgrReport sent from non-active mgrs get ignored (no crash).

  [Where problems could occur]
  Possibly the fix may not actually fix and mgr continue to crash as before.
  Might incorrectly ignore reports from active mgrs.

  [Other Info]
  Upstream main bug: https://tracker.ceph.com/issues/48022
  Octopus backport PR: https://github.com/ceph/ceph/pull/43861
  Octopus backport bug: https://tracker.ceph.com/issues/53198

  This has been already been fixed and available in Pacific.
  So needed to backport only for Octopus.

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