** Description changed: - I'm trying to do some automated testing that involved upgrading a system - from xenial to bionic, so I need it to not ask for user input. + [Impact] + The NonInteractive view of ubuntu-release-upgrader doesn't work so it is hard to automate upgrade testing. + + [Test Case] + You need to create a situation where you'll receive a conffile prompt since the handling of those is broken. + + 1) On a bionic system modify /etc/update-manager/release-upgrades so that Prompt=normal + 2) Test an upgrade from bionic to cosmic or disco i.e. run do-release-upgrade + 3) Observe the upgrade hang on the '/etc/update-manager/release-upgrades' conffifle and the following in /var/log/dist-upgrade/main.log + "2019-05-10 21:21:21,313 WARNING got a conffile-prompt from dpkg for file: '/etc/update-manager/release-upgrades' + 2019-05-10 21:21:26,319 ERROR error 'a bytes-like object is required, not 'str'' when trying to write to the conffile" + + With the version of the release-upgrader from -proposed you'll no longer + observe the upgrade process hanging. + + [Regression Potential] + The fix is making it so that a byte object is passed to the prompt instead of a string one so there really isn't one. + + [Original Description] + I'm trying to do some automated testing that involved upgrading a system from xenial to bionic, so I need it to not ask for user input. Before running do-release-upgrade, the system got a fresh dist-upgrade and reboot. To avoid interactive responses, I'm using: $ sudo do-release-upgrade -d -f DistUpgradeViewNonInteractive Part way through the upgrade, I do get prompted for something though: Preparing to unpack .../apt_1.6.3ubuntu0.1_amd64.deb ... Unpacking apt (1.6.3ubuntu0.1) over (1.2.27) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... /sbin/ldconfig.real: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf.d/x86_64-linux-gnu_EGL.conf: No such file or directory /sbin/ldconfig.real: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf.d/x86_64-linux-gnu_GL.conf: No such file or directory Setting up apt (1.6.3ubuntu0.1) ... Installing new version of config file /etc/apt/apt.conf.d/01autoremove ... - Configuration file '/etc/cron.daily/apt-compat' - ==> Deleted (by you or by a script) since installation. + ==> Deleted (by you or by a script) since installation. - ==> Package distributor has shipped an updated version. + ==> Package distributor has shipped an updated version. - What would you like to do about it ? Your options are: + What would you like to do about it ? Your options are: - Y or I : install the package maintainer's version + Y or I : install the package maintainer's version - N or O : keep your currently-installed version + N or O : keep your currently-installed version - D : show the differences between the versions + D : show the differences between the versions - Z : start a shell to examine the situation + Z : start a shell to examine the situation - The default action is to keep your current version. + The default action is to keep your current version. Comparing the sha1 of apt-compat before the upgrade to another xenial system that has been unmodified, they are the same: In /var/log/dist-upgrade/main.log, I also found this: 2018-10-04 14:20:24,575 WARNING got a conffile-prompt from dpkg for file: '/etc/cron.daily/apt-compat' 2018-10-04 14:20:29,580 ERROR error 'a bytes-like object is required, not 'str'' when trying to write to the conffile
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1796193 Title: DistUpgradeViewNonInteractive crashes / requires interaction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1796193/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
