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update TODO

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Lennart Poettering 2023-03-03 18:55:18 +01:00
parent 0345366ac3
commit 97c493f214
1 changed files with 11 additions and 31 deletions
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42
TODO
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@ -473,6 +473,17 @@ Features:
line, and then generate a mount unit for it using a udev generated symlink
based on lo_file_name.
* teach systemd-nspawn the boot assessment logic: hook up vpick's try counters
with success notifications from nspawn payloads. When this is enabled,
automatically support reverting back to older OS versin images if newer ones
fail to boot.
* implement new "systemd-fsrebind" tool that works like gpt-auto-generator but
looks at a root dir and then applies vpick on various dirs/images to pick a
root tree, a /usr/ tree, a /home/, a /srv/, a /var/ tree and so on. Dirs
could also be btrfs subvols (combine with btrfs auto-snapshort approach for
creating versions like these automatically).
* remove tomoyo support, it's obsolete and unmaintained apparently
* In .socket units, add ConnectStream=, ConnectDatagram=,
@ -704,17 +715,6 @@ Features:
* automatic boot assessment: add one more default success check that just waits
for a bit after boot, and blesses the boot if the system stayed up that long.
* implement concept of "versioned" resources inside a dir, and write a spec for
it. Make all tools in systemd, in particular
RootImage=/RootDirectory=/--image=/--directory= implement this. Idea:
directories ending in ".v/" indicate a directory with versioned resources in
them. Versioned resources inside a .v dir are always named in the pattern
<prefix>_<version>[+<tries-left>[-<tries-done>]].<suffix>
* add support for using this .v/ logic on the root fs itself: in the initrd,
after mounting the rootfs, look for root-<arch>.v/ in the root fs, and then
apply the logic, moving the switch root logic there.
* systemd-repart: add support for generating ISO9660 images
* systemd-repart: in addition to the existing "factory reset" mode (which
@ -1170,26 +1170,6 @@ Features:
passwords, not just the first. i.e. if there are multiple defined, prefer
unlocked over locked and prefer non-empty over empty.
* maybe add a tool inspired by the GPT auto discovery spec that runs in the
initrd and rearranges the rootfs hierarchy via bind mounts, if
enabled. Specifically in some top-level dir /@auto/ it will look for
dirs/symlinks/subvolumes that are named after their purpose, and optionally
encode a version as well as assessment counters, and then mount them into the
file system tree to boot into, similar to how we do that for the gpt auto
logic. Maybe then bind mount the original root into /.superior or something
like that (so that update tools can look there). Further discussion in this
thread:
https://lists.freedesktop.org/archives/systemd-devel/2021-November/047059.html
The GPT dissection logic should automatically enable this tool whenever we
detect a specially marked root fs (i.e introduce a new generic root gpt type
for this, that is arch independent). The also implement this in the image
dissection logic, so that nspawn/RootImage= and so on grok it. Maybe make
generic enough so that it can also work for ostrees arrangements.
* if a path ending in ".auto.d/" is set for RootDirectory=/RootImage= then do a
strverscmp() of everything inside that dir and use that. i.e. implement very
simple version control. Also use this in systemd-nspawn --image= and so on.
* homed: while a home dir is not activated generate slightly different NSS
records for it, that reports the home dir as "/" and the shell as some binary
provided by us. Then, when an SSH login happens and SSH permits it our binary