[Bug 1723094] Re: Live images should be able to turn off Snap updates

[Iain Lane]

On Wed, Mar 21, 2018 at 09:59:24AM -0000, Michael Hudson-Doyle wrote:
> > It doesn't say what the maximum number of days is since - do you know?
> > If it it since the last refresh, is that the date that the image was
> > created? If so, what happens if your image is more than 60 days old? It
> > sounds to me like this spec won't let you hold refresh in that case.
> > Have you checked this?
> >
> 
> I assume that it's 60 days since the seeding process (how would snapd know
> how old the image is?). But I haven't checked.

Like (I'm making this up) if the `snap download' that we do records the
date, or if the core snap that we seed contains a published date and
this is considered the last refresh date if no explicit refresh has
happened yet.

It's a problem we were concerned about especially for LTS releases where
the ISOs people download might be quite old.

-- 
Iain Lane                                  [ iain at orangesquash.org.uk ]
Debian Developer                                   [ laney at debian.org ]
Ubuntu Developer                                   [ laney at ubuntu.com ]

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https://bugs.launchpad.net/bugs/1723094

Title:
  Live images should be able to turn off Snap updates

Status in snapd:
  Confirmed
Status in casper package in Ubuntu:
  New

Bug description:
  There should be a way to turn off Snap updates while allowing Snaps to
  still run.  When Live CD images start having Snaps installed by
  default they won't want the packages to be updated while in live mode
  but they will want applications to be runable.

  Probably there should be a setting for this and Casper should be
  easily able to set that setting.

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