[Bug 782007] Re: execscript runs before many configuration steps

[Serge Hallyn]

** Description changed:

+ ========================================================
+ SRU Justification
+ 1. Impact: users cannot modify grub parameters or specify NFS automount to /etc/fstab with execscript
+ 2. Bug addressed: the bug was addressed by delaying the call to execscripts
+ 3. Patch: See the linked bzr tree.
+ 4. TEST CASE: Use vmbuilder with an execscript adding NFS automount to /etc/fstab.
+ 5. Regression potential: If there were cases where users depended on execscripts running earlier (which is unlikely), their installs would break.
+ ========================================================
+ 
  Hi all,
  --exec scripts are currently run at the end of distro install, rather than
  at the end of Hypervisor.install_os.
  
  Because it runs so early, I've had trouble:
    Adding an NFS automount to /etc/fstab
    Adding options to GRUB to pass to my custom kernel
    Installing my own kernel package (I'd rather just use dpkg than setup
        a repo, etc.)
  
  While some of these things can be done at firstboot, kernel and grub
  reconfiguration can't be done, making any kernel options critical for
  the first boot impossible.
  
  Similarly, network reconfiguration is difficult as most of the network
  configuration is done after execscript is executed.

** Also affects: vm-builder (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: vm-builder (Ubuntu)
       Status: New => Fix Released

** Changed in: vm-builder (Ubuntu)
   Importance: Undecided => Low

** Also affects: vm-builder (Ubuntu Natty)
   Importance: Undecided
       Status: New

** Changed in: vm-builder (Ubuntu Natty)
       Status: New => Confirmed

** Changed in: vm-builder (Ubuntu Natty)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/782007

Title:
  execscript runs before many configuration steps