[Bug 1905986] Re: Don't provide transitional package for python3-google-compute-engine, add Breaks: in google-guest-agent instead

Balint Reczey 1905986 at bugs.launchpad.net
Fri Nov 27 21:04:10 UTC 2020


** Description changed:

  [Impact]
  
   * gce-compute-image-packages has been split to multiple source packages and google-guest-agent (written in Go) replaced the services originally written in Python. The upgrade to gce-compute-image-packages compatible with google-guest-agent replaced the Python modules (python3-google-compute-engine) with an empty transitional package. The removal of the modules could break local software relying on those modules.
   * The fix is not providing the empty python3-google-compute-engine transitional package, but adding Breaks: to google-guest-agent to force the removal of it. Since removals are not performed automatically by apt-get upgrade (not unattended-upgrades) the administrator needs to approve removal.
  
  [Test Case]
  
   * Set up a system with the unfixed version of the packages, including python3-google-compute-engine installed.
   * Upgrade to the new set of packages:
     apt-get upgrade
   * Observe that the gce-compute-image-packages is kept back
   * Upgrade gce-compute-image-package manually:
     apt install gce-compute-image-package
   * This should succeed, removing python3-google-compute-engine
  
   Dist-upgrade from Trusty:
    TODO
  
  [Where problems could occur]
  
-  * The packages may become uninstallable upon upgrade or dist-upgrade. Testing was performed to avoid such regressions.
- Since the aim of this fix is preventing accidental upgrades should a security update of the affected packages be released the fix will prevent automatic application of this updated. In such case the the transitional package can be reintroduced and the Breaks: can be converted to a versioned Breaks: on the non-transitional package versions.
+  * The packages may become uninstallable upon upgrade or dist-upgrade.
+ Testing was performed to avoid such regressions.
+ 
+  * Since the aim of this fix is preventing accidental upgrades should a
+ security update of the affected packages be released the fix will
+ prevent automatic application of this updated. In such case the the
+ transitional package can be reintroduced and the Breaks: can be
+ converted to a versioned Breaks: on the non-transitional package
+ versions.

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https://bugs.launchpad.net/bugs/1905986

Title:
  Don't provide transitional package for python3-google-compute-engine,
  add Breaks: in google-guest-agent instead

Status in gce-compute-image-packages package in Ubuntu:
  New

Bug description:
  [Impact]

   * gce-compute-image-packages has been split to multiple source packages and google-guest-agent (written in Go) replaced the services originally written in Python. The upgrade to gce-compute-image-packages compatible with google-guest-agent replaced the Python modules (python3-google-compute-engine) with an empty transitional package. The removal of the modules could break local software relying on those modules.
   * The fix is not providing the empty python3-google-compute-engine transitional package, but adding Breaks: to google-guest-agent to force the removal of it. Since removals are not performed automatically by apt-get upgrade (not unattended-upgrades) the administrator needs to approve removal.

  [Test Case]

   * Set up a system with the unfixed version of the packages, including python3-google-compute-engine installed.
   * Upgrade to the new set of packages:
     apt-get upgrade
   * Observe that the gce-compute-image-packages is kept back
   * Upgrade gce-compute-image-package manually:
     apt install gce-compute-image-package
   * This should succeed, removing python3-google-compute-engine

   Dist-upgrade from Trusty:
    TODO

  [Where problems could occur]

   * The packages may become uninstallable upon upgrade or dist-upgrade.
  Testing was performed to avoid such regressions.

   * Since the aim of this fix is preventing accidental upgrades should
  a security update of the affected packages be released the fix will
  prevent automatic application of this updated. In such case the the
  transitional package can be reintroduced and the Breaks: can be
  converted to a versioned Breaks: on the non-transitional package
  versions.

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