X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=57e82ff262a39fa49f3cc84f84eb7606de9f9c37;hp=cfabfca9f9f3cf456797dae808bbd2f55798133d;hb=b4f052a05ab66d78290892382f33f20593001064;hpb=e93c33d4aadb41427f215d43545e7fadc6bcec6f diff --git a/TODO b/TODO index cfabfca9f..57e82ff26 100644 --- a/TODO +++ b/TODO @@ -1,11 +1,15 @@ Bugfixes: +* killing nspawn with ]]] results in: + machine-f20.scope stopping timed out. Killing. + Stopped Container f20. + Unit machine-f20.scope entered failed state. + and it cannot be started again + * 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' -* swap units that are activated by one name but shown in the kernel under another are semi-broken - * 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. @@ -19,9 +23,9 @@ Bugfixes: 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. -External: +* systemctl --root=container/ set-default ... is totally borked. -* ps should gain colums for slice +External: * Fedora: when installing fedora with yum --installroot /var/run is a directory, not a symlink https://bugzilla.redhat.com/show_bug.cgi?id=975864 @@ -32,6 +36,28 @@ External: Features: +* hookup nspawn and PrivateNetwork=yes with "ip netns" + +* socket units: support creating sockets in different namespace, + opening it up for JoinsNamespaceOf=. This would require to fork off + a tiny process that joins the namespace and creates/binds the socket + and passes this back to PID1 via SCM_RIGHTS. This also could be used + to allow Chown/chgrp on sockets without requiring NSS in PID 1. + +* New service property: maximum CPU and wallclock runtime for a service + +* introduce bus call FreezeUnit(s, b), as well as "systemctl freeze + $UNIT" and "systemctl thaw $UNIT" as wrappers around this. The calls + should SIGSTOP all unit processes in a loop until all processes of + it are fully stopped. This can later be used for app management by + desktop UIs such as gnome-shell to freeze apps that are not visible + on screen, not unlike how job control works on the shell + +* machinectl bash completion is missing +* busctl bash and zsh completions are outdated + +* libsystemd-journal returns the object created as first param in sd_journal_new(), sd_bus_new() and suchlike as last... + * cgroups: - implement system-wide DefaultCPUAccounting=1 switch (and similar for blockio, memory?) - implement per-slice CPUFairScheduling=1 switch @@ -47,14 +73,13 @@ Features: - add field to transient units that indicate whether systemd or somebody else saves/restores its settings, for integration with libvirt - ensure scope units may be started only a single time -* switch to SipHash for hashmaps/sets? +* code cleanup + - we probably should replace the left-over uses of strv_append() and replace them by strv_push() or strv_extend() -* general: get rid of readdir_r/dirent_storage stuff, it's unnecessary on Linux +* Automatically configure swap partition to use for hibernation by looking for largest swap partition on the root disk? * when we detect low battery and no AC on boot, show pretty splash and refuse boot -* move libasyncns into systemd as libsystemd-asyncns - * machined, localed: when we try to kill an empty cgroup, generate an ESRCH error over the bus * libsystemd-journal, libsystemd-login, libudev: add calls to easily attach these objects to sd-event event loops @@ -65,16 +90,12 @@ Features: * Automatically configure swap partition to use for hibernation by looking for largest swap partition on the root disk? -* remove NSS usage from PID 1 (notably the specifiers) - * socket-proxyd:Use a nonblocking alternative to getaddrinfo * 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 * Add a new Distribute=$NUMBER key to socket units that makes use of SO_REUSEPORT to distribute network traffic on $NUMBER instances -* we probably should replace the left-over uses of strv_append() and replace them by strv_push() or strv_extend() - * move config_parse_path_strv() out of conf-parser.c * After coming back from hibernation reset hibernation swap partition using the /dev/snapshot ioctl APIs @@ -89,8 +110,9 @@ Features: * refuse boot if /etc/os-release is missing or /etc/machine-id cannot be set up -* given that logind/machined now let PID 1 do all nasty work, we can - probably reduce the capability set they retain substantially. +* given that logind now lets PID 1 do all nasty work, we can + probably reduce the capability set it retains substantially. + (we need CAP_SYS_ADMIN for drmSetMaster(), so maybe not worth it) * btrfs raid assembly: some .device jobs stay stuck in the queue @@ -106,48 +128,39 @@ Features: Maybe take a BSD lock at the disk device node and teach udev to check for that and suppress event handling. -* document logic of auto/noauto and fail/nofail in fstab in systemd.mount or systemd-fstab-generator man page - * something pulls in pcre as shared object dependency into our daemons such as hostnamed. * allow implementation of InaccessibleDirectories=/ plus ReadOnlyDirectories=... for whitelisting files for a service. -* libsystemd-bus: - - default policy (allow uid == 0 and our own uid) - - access policy as vtable flag - - enforce alignment of pointers passed in +* sd-bus: - when kdbus doesn't take our message without memfds, try again with memfds - - implement translator service - - implement busname unit type in systemd - - move to gvariant - implement monitor logic - - properly map matches with well-known names against messages with unique names - - when triggering property change events, allow a NULL strv indicate that all properties listed as such are send out as changed - - enforce signatures on response messages - see if we can drop more message validation on the sending side - - support "const" properties as flag - add API to clone sd_bus_message objects - - SD_BUS_COMMENT() macro for inclusion in vtables, syntax inspired by gdbus - - make sd_bus_open_system_container() kdbus aware - - longer term: - * priority queues - * priority inheritance + - systemd-bus-proxyd needs to enforce good old XML policy + - upload minimal kdbus policy into the kernel at boot + - 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 + - check sender of response messages + - dbus spec updates: + - kdbus mapping + - NameLost/NameAcquired obsolete + - GVariant + - "const" properties (posted) + - port exit-on-idle logic to byebye ioctl + - update systemd.special(7) to mention that dbus.socket is only about the compatibility socket now + - allow updating attach flags during runtime + - pid1: peek into activating message when activating a service + - test bloom filter generation indexes * sd-event - - allow multiple signal handlers per signal - - when a handler returns an error, just turn off its event source, - but do not return anything up to the event loop caller. Instead - add parameter to sd_event_request_quit() to take retval. This way - errors rippling upwards are the option, not the default - - child pid handling: first invoke waitid(WNOHANG) and call event handler, only afterwards reap the process - - native support for watchdog stuff + - allow multiple signal handlers per signal? * in the final killing spree, detect processes from the root directory, and complain loudly if they have argv[0][0] == '@' set. https://bugzilla.redhat.com/show_bug.cgi?id=961044 - * Introduce a way how we can kill the main process of a service with KillSignal, but all processes with SIGKILL later on https://bugzilla.redhat.com/show_bug.cgi?id=952634 @@ -166,12 +179,13 @@ Features: * timedatctl, localectl: possibly make some commands work without the daemon, for chroot situations... +* timedatectl: print a nicer message when enabling ntp fails because ntpd/chrony are not installed + * cgtop: make cgtop useful in a container * test/: - add 'set -e' to scripts in test/ - make stuff in test/ work with separate output dir - - qemu wrapper script: http://www.spinics.net/lists/kvm/msg72389.html * systemctl delete x.snapshot leaves no trace in logs (at least at default level). @@ -221,11 +235,6 @@ Features: * think about window-manager-run-as-user-service problem: exit 0 → activate shutdown.target; exit != 0 → restart service -* msgcatalog determine default language of entries from the catalog - file name. i.e. foobar.de_DE.catalog would set the default entry - name for the entries to de_DE if they aren't explicitly suffixed - individually. - * 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. @@ -310,7 +319,6 @@ Features: - journal: sanely deal with entries which are larger than the individual file size, but where the components would fit - Replace utmp, wtmp, btmp, and lastlog completely with journal - journalctl: instead --after-cursor= maybe have a --cursor=XYZ+1 syntax? - - journalctl: support -M to read journal of containers and determine journal directory from root directory of container - tmpfiles: when applying ownership to /run/log/journal, also do this for the journal fails contained in it - when a kernel driver logs in a tight loop, we should ratelimit that too. - journald: optionally, log debug messages to /run but everything else to /var @@ -324,11 +332,9 @@ Features: hence doing this via signals is not going to work. * document: - - document that deps in [Unit] sections ignore Alias= fileds in + - document that deps in [Unit] sections ignore Alias= fields in [Install] units of other units, unless those units are disabled - man: clarify that time-sync.target is not only sysv compat but also useful otherwise. Same for similar targets - - Document word splitting syntax for ExecStart= and friends - - document that units from /etc override those from /usr and /run - document the exit codes when services fail before they are exec()ed - document that service reload may be implemented as service reexec - document in wiki how to map ical recurrence events to systemd timer unit calendar specifications @@ -358,7 +364,7 @@ Features: - rework wait filter to not require match callback - better error message if you run systemctl without systemd running - systemctl status output should should include list of triggering units and their status - - in systemctl list-timers show time trggering units ran last + - in systemctl list-timers show time triggering units ran last * unit install: - "systemctl mask" should find all names by which a unit is accessible @@ -441,7 +447,6 @@ Features: - nspawn: investigate whether we can support the same as LXC's lxc.network.type=phys mode, and pass through entire network interfaces to the container - - nspawn: maybe add a way to drop additional caps, in addition to add additional caps - nspawn: maybe explicitly reset loginuid? - nspawn: make it work for dwalsh and shared /usr containers -- tmpfs mounts as command line parameters, selinux exec context - refuses to boot containers without /etc/machine-id (OK?), and with empty /etc/machine-id (not OK). @@ -449,6 +454,7 @@ Features: SOCK_RAW, NETLINK_AUDIT) fail the the appropriate error code that makes the audit userspace to think auditing is not available in the kernel. + - support taking a btrfs snapshot at startup and dropping it afterwards * cryptsetup: - cryptsetup-generator: allow specification of passwords in crypttab itself @@ -536,12 +542,8 @@ Features: - kill scsi_id - add trigger --subsystem-match=usb/usb_device device -* cleanup syslog 'priority' vs. 'level' wording - * when a service has the same env var set twice we actually store it twice and return that in systemctl show -p... We should only show the last setting -* support container_ttys= - * introduce mix of BindTo and Requisite * add DeleteSocketsOnStop=yes|no option to socket units @@ -675,10 +677,15 @@ Features: - Check if Driver= is broken, or just my driver (bcma) * sd-rtnl: - - replace sd_rtnl_message_append() by type-safe versions - - improve container support, and add support for entering containers when reading + - add support for exiting containers without reading them fully first - add support for more attribute types +* networkd: + - add more keys to [Route] and [Address] sections + - add support for more DHCPv4 options (and, longer term, other kinds of dynamic config) + - allow opting out of receiving DNS servers over DHCPv4 + - add proper initrd support (in particular generate .network/.link files based on /proc/cmdline) + External: * dbus: