[Bug 1677726] [NEW] snapshots of cloud images will share an iSCSI initiator name

[Nish Aravamudan]

Public bug reported:

After fixing LP: #1444992, smoser pointed out that there is still a gap
if a cloud-image is booted and then the once-run instance is used as a
template for future instances, as the iSCSI initiator name has been
generated.

>From IRC:

11:35 < smoser> nacc, there is 'machine-id' which is systemd's attempt at something pretty similar to what an instance-id woudl provide.
11:38 < nacc> smoser: ah so we could, in theory, store /etc/machine-id in the initiatorname.iscsi file (in a comment) and say it only applies to that config. then on startup 
              in the script, check if /etc/machine-id matches what's in the iscsi initiator file and leave it if so, re-gen otherwise?
11:41 < smoser> yeah, tahts kind of what i was suggesting.
11:41 < smoser> that doesnt really fix the issue of having to clean though

** Affects: cloud-images
     Importance: Undecided
         Status: New

** Affects: open-iscsi (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: cloud-images
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1677726

Title:
  snapshots of cloud images will share an iSCSI initiator name

Status in cloud-images:
  New
Status in open-iscsi package in Ubuntu:
  New

Bug description:
  After fixing LP: #1444992, smoser pointed out that there is still a
  gap if a cloud-image is booted and then the once-run instance is used
  as a template for future instances, as the iSCSI initiator name has
  been generated.

  From IRC:

  11:35 < smoser> nacc, there is 'machine-id' which is systemd's attempt at something pretty similar to what an instance-id woudl provide.
  11:38 < nacc> smoser: ah so we could, in theory, store /etc/machine-id in the initiatorname.iscsi file (in a comment) and say it only applies to that config. then on startup 
                in the script, check if /etc/machine-id matches what's in the iscsi initiator file and leave it if so, re-gen otherwise?
  11:41 < smoser> yeah, tahts kind of what i was suggesting.
  11:41 < smoser> that doesnt really fix the issue of having to clean though

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