X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=a5f482b398ff4dc46026005953241e538b9689ef;hp=fb118f155028d32d6012f61f8dca0484be7a4a5a;hb=e8a152c62dd2003731a59e0dffef4336c63110b9;hpb=c343be283b7152554bac0c02493a4e1759c163f7 diff --git a/TODO b/TODO index fb118f155..a5f482b39 100644 --- a/TODO +++ b/TODO @@ -4,21 +4,12 @@ Bugfixes: * Should systemctl status \* work on all unit types, not just .service? -* enabling an instance unit creates a pointless link, and - the unit will be started with getty@getty.service: - $ systemctl enable getty@.service - ln -s '/usr/lib/systemd/system/getty@.service' '/etc/systemd/system/getty.target.wants/getty@.service' - * Dangling symlinks of .automount unit files in .wants/ directories, set up automount points even when the original .automount file did not exist anymore. Only the .mount unit was still around. * properly handle .mount unit state tracking when two mount points are stacked one on top of another on the exact same mount point. -* shorten the message to sane length: - - Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory. See system logs and 'systemctl status display-manager.service' for details. - * sd_bus_unref() is broken regarding self-references and "pseudo thread-safety". See the comment in sd_bus_unref() for more.. @@ -30,56 +21,48 @@ External: * Fedora: post FPC ticket to move add %tmpfiles_create to the packaging guidelines +* Fedora: move kernel image to /usr/lib/modules/, kernel-install will take care of populating /boot + Features: -* generator that automatically discovers btrfs subvolumes, identifies their purpose based on some xattr on them. +* coredump: add a size-based cleanup logic to coredump helper, so that we don't flood /var/lib/systemd/coredump unrestricted -* support setting empty environment variables with Environment= and EnvironmentFile= +* support empty /etc boots nicely: + - nspawn/gpt-generator: introduce new gpt partition type for /usr + - nspawn: add --mode=auto,stateful,stateless,volatile + - fstab-generator: support auot/stateful/stateless/volatile on the kernel cmdline, too + - fstab-generator: add support for usr= in addition to root= on the kernel cmdline -* tmpfiles: figure out relation between Z and m? +* generator that automatically discovers btrfs subvolumes, identifies their purpose based on some xattr on them. -* systemd-notify: fake ucred of msg to PID of parent, if that works, with fallback to our own if it doesn't. +* support setting empty environment variables with Environment= and EnvironmentFile= * machined/machinectl: sort IP addresses we return by scope and protocol * machined: write NSS module for looking up IP addresses for machines * timer units: actually add extra delays to timer units with high AccuracySec values, don't start them already when we are awake... -* timesyncd: - - hookup with networkd: NTP servers from dhcp +* timesyncd - hookup with networkd: NTP servers from dhcp * a way for container managers to turn off getty starting via $container_headless= or so... * figure out a nice way how we can let the admin know what child/sibling unit causes cgroup membership for a specific unit -* add a kernel command line option to enable the debug shell - * journalctl: add the ability to look for the most recent process of a binary. journalctl /usr/bin/X11 --pid=-1 or so... * set NOTIFY_SOCKET also for control processes -* drop parsing of chkconfig header lines from service.c - * mount_cgroup_controllers(): symlinks need to get the label applied -* For timer units: add some mechanisms so that timer units that trigger immediately on boot do not have the services they run added to the initial transaction and thus confuse Type=idle. - -* Add RPM macros for registering/unregistering binfmt drop-ins +* For timer units: add some mechanisms so that timer units that trigger immediately on boot do not have the services + they run added to the initial transaction and thus confuse Type=idle. * Add timeout to early-boot, and shut down the system if it is hit. Solves the laptop-in-bag problem and is useful for embedded cases -* ImmutableSystem=yes/no or so to mount /usr, /boot read-only/invisible, and leave /var and /etc writable - -* InaccessibleHome=yes/no or so to hide /home and /run/user from a service - -* Run most system services with cgroupfs read-only and procfs with a more secure mode +* Run most system services with cgroupfs read-only and procfs with a more secure mode (doesn't work, since the hidepid= option is per-pid-namespace, not per-mount) * sd-event: generate a failure of a default event loop is executed out-of-thread -* add "M" as recursive version of "m" to tmpfiles, then use it for - chowning /run/log/journal (but not /var/log/journal), so that we - adjust the perms of journal files created before tmpfiles ran. - * expose "Locked" property on logind sesison objects * add bus api to query unit file's X fields. @@ -98,10 +81,6 @@ Features: do not have to open it to know that it is not interesting for us, for the most common operations. -* support transient mount units - -* add an "input" group to udev logic and add all input devices to it - * add generator that pulls in systemd-network from containers when CAP_NET_ADMIN is set, more than the loopback device is defined, even when it is otherwise off @@ -161,8 +140,6 @@ Features: * Automatically configure swap partition to use for hibernation by looking for largest swap partition on the root disk? -* socket-proxyd: Use sd-resolve to resolve the server address - * rfkill,backlight: we probably should run the load tools inside of the udev rules so that the state is properly initialized by the time other software sees it * After coming back from hibernation reset hibernation swap partition using the /dev/snapshot ioctl APIs @@ -189,17 +166,15 @@ Features: ReadOnlyDirectories=... for whitelisting files for a service. * sd-bus: - - make AddMatch calls on dbus1 transports async - when kdbus does not take our message without memfds, try again with memfds - systemd-bus-proxyd needs to enforce good old XML policy - - port exit-on-idle logic to byebye ioctl - allow updating attach flags during runtime - pid1: peek into activating message when activating a service - introduce sd_bus_emit_object_added()/sd_bus_emit_object_removed() that automatically includes the build-in interfaces in the list - - constructors for bus messages should probably not be OK with a NULL bus pointer - - .busname units should not use get_user_creds()/get_cgroup_creds() but instead do NSS only in temporarily forked off child + - port to sd-resolve for connecting to TCP dbus servers - see if we can drop more message validation on the sending side - add API to clone sd_bus_message objects + - make AddMatch calls on dbus1 transports async? - kdbus: matches against source or destination pids for an "strace -p"-like feel. Problem: The PID info needs to be available in userspace too... - longer term: priority inheritance - dbus spec updates: @@ -210,7 +185,6 @@ Features: - path escaping - update systemd.special(7) to mention that dbus.socket is only about the compatibility socket now - test bloom filter generation indexes - - port to sd-resolve for connecting to TCP dbus servers * sd-event - allow multiple signal handlers per signal? @@ -240,12 +214,6 @@ Features: - add 'set -e' to scripts in test/ - make stuff in test/ work with separate output dir -* systemctl delete x.snapshot leaves no trace in logs (at least at default level). - -* make the coredump collector tool move itself into the user's cgroup - so that the coredump is properly written to the user's own journal - file. - * seems that when we follow symlinks to units we prefer the symlink destination path over /etc and /usr. We should not do that. Instead /etc should always override /run+/usr and also any symlink @@ -283,8 +251,6 @@ Features: * use "log level" rather than "log priority" everywhere -* timedate: have global on/off switches for auto-time (NTP), and auto-timezone that connman can subscribe to. - * merge unit_kill_common() and unit_kill_context() * introduce ExecCondition= in services @@ -391,7 +357,6 @@ Features: about it. Should fix both to print nice actionable messages. - print nice message from systemctl --failed if there are no entries shown, and hook that into ExecStartPre of rescue.service/emergency.service - add new command to systemctl: "systemctl system-reexec" which reexecs as many daemons as virtually possible - - systemctl enable: improve the success messages (i.e. more human readable, less shell-like) - systemctl enable: fail if target to alias into does not exist? maybe show how many units are enabled afterwards? - systemctl: "Journal has been rotated since unit was started." message is misleading - support "systemctl stop foobar@.service" to stop all units matching a certain template @@ -402,14 +367,9 @@ Features: * unit install: - "systemctl mask" should find all names by which a unit is accessible (i.e. by scanning for symlinks to it) and link them all to /dev/null - - "systemctl disable" of a unit instance removes all symlinks, but should - only remove the instance symlink (systemctl disable of a template - unit however should remove them all). - systemctl list-unit-files should list generated files (and probably with a new state "generated" for them, or so) - systemctl: maybe add "systemctl add-wants" or so... -* deal with sendmail/postfix exclusivity - * timer units: - timer units should get the ability to trigger when: o CLOCK_REALTIME makes jumps (TFD_TIMER_CANCEL_ON_SET) @@ -428,13 +388,6 @@ Features: mode, it will never touch the RTC if the no reliable time source is active or the user did not request anything like it. -* libunwind support for coredump pattern hook, and includes this in - the message for coredumps. After all, libunwind is now capable to - unwind coredumps since a few weeks ago. This probably requires that - we have nice support for multi-line messages on display in - logs-show.c. Alternatively: use libelfutil, which seems to be the - better supported alternative. - * add libsystemd-password or so to query passwords during boot using the password agent logic * If we show an error about a unit (such as not showing up) and it has no Description string, then show a description string generated form the reverse of unit_name_mangle(). @@ -443,19 +396,10 @@ Features: * fedup: do not delete initrd on switch-root * fedup: generator -* timedated: refuse time changes when NTP is on - * clean up date formatting and parsing so that all absolute/relative timestamps we format can also be parsed * on shutdown: move utmp, wall, audit logic all into PID 1 (or logind?), get rid of systemd-update-utmp-runlevel -* add "factory" instructions to setup an empty /etc + /var - - used to setup a new container from a shared /usr - - superset of tmpfiles model - - instructions shipped by packages and stored in /usr/lib/ - - compose /etc/passwd and /etc/group, copy files - - able to create uid + gid used by packages, for file ownership - * make repeated alt-ctrl-del presses printing a dump, or even force a reboot without waiting for the timeout @@ -464,9 +408,7 @@ Features: * currently x-systemd.timeout is lost in the initrd, since crypttab is copied into dracut, but fstab is not * nspawn: - - nspawn: --read-only is not applied recursively to submounts - bind mount read-only the cgroup tree higher than nspawn - - nspawn: make it work for dwalsh and shared /usr containers -- tmpfs mounts as command line parameters - refuses to boot containers without /etc/machine-id (OK?), and with empty /etc/machine-id (not OK). - support taking a btrfs snapshot at startup and dropping it afterwards @@ -483,25 +425,16 @@ Features: * make timer units go away after they elapsed -* http://lists.freedesktop.org/archives/systemd-devel/2012-September/006502.html - (network and remote-fs on shutdown) - * come up with a nice way to write queue/read_ahead_kb for a block device without interfering with readahead * move PID 1 segfaults to /var/lib/systemd/coredump? * create /sbin/init symlinks from the build system -* Query Paul Moore about relabelling socket fds while they are open - * allow writing multiple conditions in unit files on one line -* explore multiple service instances per listening socket idea - * MountFlags=shared acts as MountFlags=slave right now. -* ReadOnlyDirectories= is not applied recursively to submounts - * drop PID 1 reloading, only do reexecing (difficult: Reload() currently is properly synchronous, Reexec() is weird, because we cannot delay the response properly until we are back, so instead of @@ -552,8 +485,6 @@ Features: * introduce mix of BindTo and Requisite -* add DeleteSocketsOnStop=yes|no option to socket units - * There's currently no way to cancel fsck (used to be possible via C-c or c on the console) * add option to sockets to avoid activation. Instead just drop packets/connections, see http://cyberelk.net/tim/2012/02/15/portreserve-systemd-solution/ @@ -572,7 +503,6 @@ Features: * when a bus name of a service disappears from the bus make sure to queue further activation requests * tmpfiles: - - check systemd-tmpfiles for selinux context hookup for mknod(), symlink() and similar - apply "x" on "D" too (see patch from William Douglas) * for services: do not set $HOME in services unless requested @@ -599,8 +529,6 @@ Features: when we start a service in order to avoid confusion when a user assumes starting a service is enough to make it accessible -* support User= and Group= attributes for AF_UNIX sockets. (difficult, requires NSS from PID 1?) - * Make it possible to set the keymap independently from the font on the kernel cmdline. Right now setting one resets also the other. @@ -613,8 +541,6 @@ Features: - readahead: when bumping /sys readahead variable save mtime and compare later to detect changes - readahead: make use of EXT4_IOC_MOVE_EXT, as used by http://e4rat.sourceforge.net/ -* add support for /bin/mount -s - * GC unreferenced jobs (such as .device jobs) * write blog stories about: @@ -640,8 +566,6 @@ Features: * allow port=0 in .socket units -* support systemd.mask= on the kernel command line. - * recreate systemd's D-Bus private socket file on SIGUSR2 * Support --test based on current system state