[Bug 1828072] Re: KernelRemoval section is out of date

[Brian Murray]

** Description changed:

  The dist-upgrader tarball includes configuration files for the release
  upgrade process and part of the configuration file is a section with the
  heading KernelRemoval which includes Version, BaseNames, and Types which
  are used to build a list of kernels to remove. This section has not been
  updated in quite some time and we should up date so systems have less
  old kernels installed.
  
  [Test Case]
  1) upgrade a system from a release of Ubuntu to a new release of Ubuntu (this should be done for the following paths B->C, C->D, B->D)
  2) observe the following in /var/log/dist-upgrade/main.log
  "2019-05-07 11:38:23,264 DEBUG identifyObsoleteKernels()
  2019-05-07 11:38:27,621 DEBUG identifyObsoleteKernels found 'set()'"
  
  The release upgrader from -proposed (do-release-upgrader -p) should
- identify some obsolete kernels even if it doesn't end up removing them.
+ identify some obsolete kernels ("skipping running kernel linux-
+ headers-5.0.0-13-generic") even if it doesn't end up removing them.
  
  [Regression Potential]
  I made the BaseNames section split out across multiple lines which should be fine but that could cause the config file to fail to be parsed which would probably cause a crash or the same failure to remove obsolete kernels.

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https://bugs.launchpad.net/bugs/1828072

Title:
  KernelRemoval section is out of date

Status in ubuntu-release-upgrader package in Ubuntu:
  In Progress
Status in ubuntu-release-upgrader source package in Bionic:
  New
Status in ubuntu-release-upgrader source package in Cosmic:
  In Progress
Status in ubuntu-release-upgrader source package in Disco:
  In Progress

Bug description:
  The dist-upgrader tarball includes configuration files for the release
  upgrade process and part of the configuration file is a section with
  the heading KernelRemoval which includes Version, BaseNames, and Types
  which are used to build a list of kernels to remove. This section has
  not been updated in quite some time and we should up date so systems
  have less old kernels installed.

  [Test Case]
  1) upgrade a system from a release of Ubuntu to a new release of Ubuntu (this should be done for the following paths B->C, C->D, B->D)
  2) observe the following in /var/log/dist-upgrade/main.log
  "2019-05-07 11:38:23,264 DEBUG identifyObsoleteKernels()
  2019-05-07 11:38:27,621 DEBUG identifyObsoleteKernels found 'set()'"

  The release upgrader from -proposed (do-release-upgrader -p) should
  identify some obsolete kernels ("skipping running kernel linux-
  headers-5.0.0-13-generic") even if it doesn't end up removing them.

  [Regression Potential]
  I made the BaseNames section split out across multiple lines which should be fine but that could cause the config file to fail to be parsed which would probably cause a crash or the same failure to remove obsolete kernels.

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