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

[Benjamin Drung]

Please test the attached patch. (My initial patch was shorter. It was
using grep but grep is only available in the initramfs when using
busybox).

** Patch added: "0001-Fix-configuring-BOOTIF-when-using-iSCSI.patch"
   https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/2056187/+attachment/5753358/+files/0001-Fix-configuring-BOOTIF-when-using-iSCSI.patch

** Changed in: initramfs-tools (Ubuntu)
   Importance: Undecided => High

** Changed in: initramfs-tools (Ubuntu)
       Status: Confirmed => Triaged

** Changed in: open-iscsi (Ubuntu)
       Status: Confirmed => Invalid

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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:
  Triaged
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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