[Bug 2008952] Re: DNS failure while trying to fetch user-data

[Chad Smith]

jsonschema 2.6.0 is now dropped from latest ubuntu-desktop-snap version
0+get.98600e08 in stable channel as of a couple hours ago per this
issue/fix[1]. This resolves issues with curtin Tracebacks on
jsonschema.validate(). Additionally cloud-init has a PR in progress[2]
to avoid registering a strict draft4 schema with
additionalProperties=False. The cloud-init fix is now unnecessary given
the changes already published in ubuntu-desktop-installer to drop
jsonschema 2.6.0 from the snap.


[1] drop duplicate python dependencies from site-packages
https://github.com/canonical/ubuntu-desktop-installer/issues/1714

[2] https://github.com/canonical/cloud-init/pull/2098


** Bug watch added: github.com/canonical/ubuntu-desktop-installer/issues #1714
   https://github.com/canonical/ubuntu-desktop-installer/issues/1714

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https://bugs.launchpad.net/bugs/2008952

Title:
  DNS failure while trying to fetch user-data

Status in cloud-init:
  In Progress
Status in netplan:
  Invalid
Status in subiquity:
  New
Status in livecd-rootfs package in Ubuntu:
  Fix Committed
Status in systemd package in Ubuntu:
  New

Bug description:
  In testing netboot + autoinstall of the new ubuntu desktop subiquity
  based installer for 23.04 I found cloud-init is failing to retrieve
  user-data because it can't resolved the hostname in the URL.  This
  same configuration does work for 22.04 based subiquity, so seems a
  regression.

  From the ipxe config:

  imgargs vmlinuz initrd=initrd \
   ip=dhcp \
   iso-url=http://cdimage.ubuntu.com/daily-live/pending/lunar-desktop-amd64.iso \
   fsck.mode=skip \
   layerfs-path=minimal.standard.live.squashfs \
   autoinstall \
   'ds=nocloud-net;s=http://boot.linuxgroove.com/ubuntu/23.04/' \

  That fails, but if we replace boot.linuxgroove.com with the IP it
  works.

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