** Description changed:
+ [Impact]
+
Images built with pre-seeded snaps contain insufficient assertion data
- causing boot to fail. The snaps for seeding are downloaded with a
- custom snap tool for an earlier cohort API (now deprecated). The
- assertions that it pulls are incomplete. We could update that list and
- move to the new API but at this time the snap-tool provides no value
- compared to use of the snap CLI (cohort support has moved to the cli as
- well). The development overhead of maintaining snap-tool in livecd-
- rootfs are not warranted.
+ causing boot to fail.
+
+ The snaps for seeding are downloaded with a custom snap tool for an
+ earlier cohort API (now deprecated). The assertions that it pulls are
+ incomplete. We could update that list and move to the new API but at
+ this time the snap-tool provides no value compared to use of the snap
+ CLI (cohort support has moved to the cli as well). The development
+ overhead of maintaining snap-tool in livecd-rootfs are not warranted.
+
+ This patch removes the bespoke snap-tool and relies on the snap CLI
+ instead.
+
+ [Test Case]
+
+ * Produce images that include preseeded snaps (in
+ /var/lib/snapd/seed/*)
+
+ * Boot the resulting image and ensure that the snapd.seeded unit is
+ successful and the snaps (from the correct channels) show up in 'snap
+ list'
+
+ [Regression Potential]
+
+ * The interface for these two tools is consistent and the output should
+ be the same. There's always a chance that snap-tool had quirks which a
+ move to the snap CLI uncovers, where the result would be different snaps
+ seeded from before the change. An example would be channel differences
+ before and after this change. I haven't seen issues in my testing and I
+ do think it's unlikely, mostly I'm suspicious of SRUs that don't list
+ any regression potentials.
** Changed in: livecd-rootfs (Ubuntu)
Assignee: (unassigned) => Robert C Jennings (rcj)
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https://bugs.launchpad.net/bugs/1864252
Title:
preseeded snap installs fail in images
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