[Bug 2056187] Re: fails to configure BOOTIF when using iscsi

[Fabio Augusto Miranda Martins]

It seems 0.142ubuntu19 would be exposed to the bug. To test whether or
not my use case would be affected by it, I've booted a Jammy instance
with initramfs-tools 0.142ubuntu19, and I can't hit the problem. It is
booting well through iscsi. My cmdline is as below, so it might not be
exposed to the issue (and hence, please ignore my comment above as a
valid test for the patch, given that I wasn't exposed to it to begin
with):

BOOT_IMAGE=/boot/vmlinuz-6.5.0-1018-oracle
root=UUID=2792ceda-655f-4995-bf29-6a714f9a200b ro console=tty1
console=ttyS0 nvme.shutdown_timeout=10 libiscsi.debug_libiscsi_eh=1
crash_kexec_post_notifiers

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https://bugs.launchpad.net/bugs/2056187

Title:
  fails to configure BOOTIF when using iscsi

Status in initramfs-tools package in Ubuntu:
  Fix Committed
Status in open-iscsi package in Ubuntu:
  Invalid

Bug description:
  we have a bad interaction between initramfs-tools and open-iscsi,
  resulting in the boot interface not being configured.

  when the iscsi has a static address, the script `local-top/iscsi` from
  open-iscsi creates a /run/net-$DEVICE.conf file for the iscsi
  interface. The existence of this file makes configure_networking()
  skip configuring the BOOTIF later due to this code in
  `scripts/functions`:

          for x in /run/net-"${DEVICE}".conf /run/net-*.conf ; do
              if [ -e "$x" ]; then
                  IP=done
                  break
              fi
          done

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