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The legal team says years are not necessary so we can go ahead with it, since
it will simplify backporting.
Automatically removed using: git ls-files | grep -v libvyosconfig | xargs sed -i -E \
's/^# Copyright (19|20)[0-9]{2}(-[0-9]{4})? VyOS maintainers.*/# Copyright VyOS maintainers and contributors <maintainers@vyos.io>/g'
In addition we will error-out during "make" if someone re-adds a legacy
copyright notice
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If any part of the system boot fails, we set overall_status=1 in the vyos-router
startup script. When an error during the image upgrade is detected, the system
will automatically revert the default boot image to the previously used version,
if the CLI option "system option reboot-on-upgrade-failure" is set.
The user is informed via console messages:
Booting failed, reverting to previous image
Automatic reboot in 5 minutes
Use "reboot cancel" to cancel
The user has time to log in and run reboot cancel to remain in the faulty image
for troubleshooting. Reboot timeout is defined by CLI: "system option
reboot-on-upgrade-failure"
Once the system boots into the previous image, the MOTD will display a
persistent warning message - cleared during next reboot.
WARNING: Image update to "VyOS 1.5.xxxx" failed
Please check the logs:
/usr/lib/live/mount/persistence/boot/NAME/rw/var/log
Message is cleared on next reboot!
Upgrade failure can be synthetically injected by booting with Kernel command
line option: vyos-fail-migration
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found using "git ls-files *.py | xargs pylint | grep W0611"
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This commit allows management of system images with either new or legacy
tools: 'add/delete/rename system image' and 'set default' are translated
appropriately on booting between images with the old and new tools.
Consequently, the warning of the initial commit of T4516 is dropped.
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This commit adds the whole set of system image tools written from the scratch in
Python that allows performing all the operations on images:
* check information
* perform installation and deletion
* versions management
Also, it contains a new service that will update the GRUB menu and keep tracking
its version in the future.
WARNING: The commit contains non-reversible changes. Because of boot menu
changes, it will not be possible to manage images from older VyOS versions after
an update.
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