[Bug 876298] Re: [MASTER] We need to better handle external payloads (Flash, msttcorefonts) not being available.

[Steve Langasek]

If we add a dpkg trigger for this, the trigger needs to succeed
regardless of whether the download was successful, otherwise we run into
the same problem again.  Michael proposes the use of an update-notifier
interactive upgrade hook
(https://wiki.ubuntu.com/InteractiveUpgradeHooks) in this case, to
ensure the user gets feedback about the failure even though the package
has successfully installed.

Then the cron job can take care of retrying, and sending another
notification when it's decided the failure is "permanent".

** Changed in: ubiquity (Ubuntu)
     Assignee: (unassigned) => Steve Langasek (vorlon)

** No longer affects: diod (Ubuntu)

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https://bugs.launchpad.net/bugs/876298

Title:
  [MASTER] We need to better handle external payloads (Flash,
  msttcorefonts) not being available.

Status in “ubiquity” package in Ubuntu:
  Triaged
Status in “update-manager” package in Ubuntu:
  Triaged

Bug description:
  At the 11.10 release archive.canonical.com collapsed under heavy load
  and started returning 503 errors.  This caused the flash package to be
  unable to grab its payload and thus caused the package to fail, which
  in turn caused the installation to fail.

  The current plan is to add metadata to a package where it can add a
  URL to retrieve its data, so ubiquity and apt-get --download-only can
  cache it.  We also need a way to queue up package installation post-
  install, for when we commit to installing flash but cannot do so due
  to network issues, or when the user wishes to have full language
  support post-install.

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