X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=4a498b9099320624eccbf6443619581781dc053f;hp=d1bc80505084c040078b28eb00982f289d99f5da;hb=9db76355212de5eb7985829d352183d3bdfb56d5;hpb=b0adb5468cccf32da1365c2e8f97b2b233c4fa30 diff --git a/TODO b/TODO index d1bc80505..4a498b909 100644 --- a/TODO +++ b/TODO @@ -1,4 +1,10 @@ Bugfixes: + +* enabling an instance unit creates 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' + * check systemd-tmpfiles for selinux context hookup for mknod(), symlink() and similar * swap units that are activated by one name but shown in the kernel under another are semi-broken @@ -11,79 +17,142 @@ Bugfixes: * properly handle .mount unit state tracking when two mount points are stacked one on top of another on the exact same mount point. -Fedora 19: +* ellipsize_mem must take into account multi-byte unicode characters, and + - make the resulting line the requested number of *characters*, not *bytes*, + - avoid truncuating multi-byte sequences in the middle. + +* When we detect invalid UTF-8, we cant't use it in an error message: + log...("Path is not UTF-8 clean, ignoring assignment: %s", rvalue); + +* 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. -* external: maybe it is time to patch procps so that "ps" links to - libsystemd-logind to print a pretty service name, seat name, session - name in its output. Currently it only shows cgroup membership, but - that's sometimes kinda hard to parse for a human. +Fedora 20: -* cgroup attrs: - - update dbus interface docs in wiki +* external: ps should gain colums for slice and machine * localed: - localectl: support new converted x11→console keymaps * when installing fedora with yum --installroot /var/run is a directory, not a symlink + https://bugzilla.redhat.com/show_bug.cgi?id=975864 + +CGroup Rework Completion: + +* introduce "mainpid" for scopes (or maybe not?) + +* implement system-wide DefaultCPUAccounting=1 switch (and similar for blockio, memory?) + +* implement per-slice CPUFairScheduling=1 switch + +* handle jointly mounted controllers correctly + +* introduce high-level settings for RT budget, swappiness Features: -* when a kernel driver logs in a tight loop we should ratelimit that too. +* Add a new Distribute=$NUMBER key to socket units that makes use of SO_REUSEPORT to distribute network traffic on $NUMBER instances -* move systemctl set-log-level to systemd-analyze? +* tmpfiles: when applying ownership to /run/log/journal also do this for the journal fails contained in it -* fix killing spree logic in systemd-user-sessions +* rework list.h to use typeof() and thus simplify most linked list macros by not requring the type to be specified -* logind: implement session kill exceptions +* we probably should replace the left-over uses of strv_append() and replace them by strv_push() or strv_extend() -* fix machine regstration to forward property array +* move config_parse_path_strv() out of conf-parser.c -* fix loginctl cgroup enumeration +* libdsystemd-bus should expose utf8 validation calls -* move "systemctl dump" to systemd-analyze +* After coming back from hibernation reset hibernation swap partition using the /dev/snapshot ioctl APIs -* introduce "mainpid" for scopes +* If we try to find a unit via a dangling symlink generate a clean + error. Currently we just ignore it and read the unit from the search + path anyway. -* add a fixed dbus path for "my own unit", "my own session", ... to PID1, logind, ... +* When a Type=forking service fails and needed another service that + service is not cleaned up again when it has StopWhenUnneeded=yes + http://lists.freedesktop.org/archives/systemd-devel/2013-July/012141.html -* add implicit slice for instantiated services +* backlight: properly handle multiple backlight devices for the same + hardware: at shutdown we should only save the backlight setting for + the "best" way to access the backlight. Strategy should be: at + shutdown, ignore all backlights that are connected to a non-eDP or + non-LVDS port, and then prefer the firmware device over platform + device over raw device per-PCI card. Delete all old data. At boot + simply apply whatever data we find. Also see + http://cgit.freedesktop.org/libbacklight/tree/libbacklight.c#n194 -* service_coldplug() appears to reinstall the wrong stop timeout watch? +* rfkill: save/restore soft rfkill status across reboots -* transient units: allow creating auxiliary units with the same call +* refuse boot if /etc/os-release is missing or /etc/machine-id cannot be set up -* make BlockIODeviceWeight=, BlockIODeviceBandwidth= runtime settable +* ensure scope units may be started only a single time -* split up BlockIOWeight= and BlockIODeviceWeight= +* document that in instead of FsckPassNo= people should just add a manual dep to systemd-fsck@.service to their mount units. -* introduce high-level settings for RT budget, swapiness +* better error message if you run systemctl without systemd running -* how to reset dynamically changed attributes sanely? +* systemctl status output should should include list of triggering units and their status -* when reloading configuration, apply new cgroup configuration +* for transient units, instead of writing out drop-ins for all properties consider serializing them in the normal serialization stream -* implement system-wide DefaultCPUAccounting=1 switch (and similar for blockio, memory?) +* logind: when logging out, remove user-owned sysv and posix IPC objects -* implement per-slice CPUFairScheduling=1 switch +* session scopes/user unit: add RequiresMountsFor for the home directory of the user -* handle jointly mounted controllers correctly +* add a man page containing packaging guidelines and recommending usage of things like Documentation=, PrivateTmp=, PrivateNetwork= and ReadOnlyDirectories=/etc /usr. -* journald: make sure ratelimit is actually really per-service with the new cgroup changes +* journalctl: instead --after-cursor= maybe have a --cursor=XYZ+1 syntax? + +* given that logind/machined now let PID 1 do all nasty work we can + probably reduce the capability set they retain substantially. + +* btrfs raid assembly: some .device jobs stay stuck in the queue + +* Fedora: add an rpmlint check that verifies that all unit files in the RPM are listed in %systemd_post macros. + +* Fedora: post FPC ticket to move add %tmpfiles_create to the packaging guidelines + +* make sure gdm doesn't use multi-user-x but the new default X configuration file, and then remove multi-user-x from systemd + +* when parsing calendar timestamps support the UTC timezone (even if we won't support arbitrary timezone specs, support UTC itself certainly makes sense), also support syntaxes such as +0200 + +* when a kernel driver logs in a tight loop we should ratelimit that too. + +* "systemctl disable" of a unit instance removes all symlinks, should + only remove the instance symlink (systemctl disable of a template + unit however should remove them all). -* move systemctl dump to systemd-analyze +* journald: optionally, log debug messages to /run but everything else to /var -* libsystemd-logind: sd_session_is_active() and friends: verify - validity of session name before appending it to a path +* systemctl list-unit-files should list generated files (and probably with a new state "generated" for them, or so) -* logind: when a PAM client calls ReleaseSession() start a timeout and - kill the session entirely after that is reached. +* journald: when we drop syslog messages because the syslog socket is + full, make sure to write how many messages are lost as first thing + to syslog when it works again. + +* man: the documentation of Restart= currently is very misleading and suggests the tools from ExecStartPre= might get restarted. + +* load .d/*.conf dropins for device units + +* add a fixed dbus path for "my own unit", "my own session", ... to PID1, logind, ... + +* service_coldplug() appears to reinstall the wrong stop timeout watch? + +* transient units: allow creating auxiliary units with the same call + +* how to reset dynamically changed attributes sanely? + +* when reloading configuration, apply new cgroup configuration + +* journald: make sure ratelimit is actually really per-service with the new cgroup changes * gparted needs to disable auto-activation of mount units somehow, or - maybe we should stop doing auto-activiation of this after boot + maybe we should stop doing auto-activation of this after boot entirely. https://bugzilla.gnome.org/show_bug.cgi?id=701676 - -* when a service changes state make reflect that in the - RUNNING/LISTENING states of its socket + Maybe take a BSD lock at the disk device node and teach udev to + check for that and suppress event handling. * when recursively showing the cgroup hierarchy, optionally also show the hierarchies of child processes @@ -94,11 +163,9 @@ Features: * something pulls in pcre as so dep into our daemons such as hostnamed. -* cgroup-agent: downgrade error messages - * document systemd-journal-flush.service properly -* chane systemd-journal-flush into a service that stays around during +* change systemd-journal-flush into a service that stays around during boot, and causes the journal to be moved back to /run on shutdown, so that we don't keep /var busy. This needs to happen synchronously, hence doing this via signals is not going to work. @@ -106,9 +173,6 @@ Features: * allow implementation of InaccessibleDirectories=/ plus ReadOnlyDirectories=... for whitelisting files for a service. -* libsystemd-journal: - - return ECHILD as soon as somebody tries to reuse a journal object across a fork() - * libsystemd-bus: - default policy (allow uid == 0 and our own uid) - enforce alignment of pointers passed in @@ -120,9 +184,7 @@ Features: - merge busctl into systemctl or so? - synthesize sd_bus_message objects from kernel messages - properly implement name registry ioctls for kdbus - - get rid of object hash table, use decision tree everyhwere instead? - implement monitor logic - - object vtable logic - longer term: * priority queues * priority inheritance @@ -139,9 +201,9 @@ Features: * 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 -* maybe add a warning to the unit file parses whern the acces mode of unit files is non-sensical. +* maybe add a warning to the unit file parses where the access mode of unit files is nonsensical. -* investigate endianess issues of UUID vs. GUID +* investigate endianness issues of UUID vs. GUID * dbus: when a unit failed to load (i.e. is in UNIT_ERROR state), we should be able to safely try another attempt when the bus call LoadUnit() is invoked. @@ -161,8 +223,6 @@ Features: * logind: add Suspend() bus calls which take timestamps to fix double suspend issues when somebody hits suspend and closes laptop quickly. -* we need dynamic units - * cgtop: make cgtop useful in a container * test/: @@ -170,38 +230,24 @@ Features: - make stuff in test/ work with separate output dir - remove all the duplicated code in test/ -* suppress log output on shutdown when "quiet" is used - * 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. -* move /usr/lib/modules/$(uname -r)/modules.devname parsing from udevd to - kmod static-nodes - call kmod as an early service, and drop CAP_MKNOD from udevd.service - * seems that when we follow symlinks to units we prefer the symlink destination path over /etc and /usr. We shouldn't do that. Instead /etc should always override /run+/usr and also any symlink destination. -* remove duplicate default deps logic from fstab-generator vs. mount.c - * when isolating, try to figure out a way how we implicitly can order all units we stop before the isolating unit... -* teach udev + logind's uaccess to somehow handle the "dead" device nodes from: - /lib/modules/$(uname -r)/modules.devname - and apply ACLs to them if they have TAG=="uaccess" in udev rules. - * add ConditionArchitecture= or so * teach ConditionKernelCommandLine= globs or regexes (in order to match foobar={no,0,off}) -* we should log capabilities too - * Support SO_REUSEPORT with socket activation: - Let systemd maintain a pool of servers. - Use for seamless upgrades, by running the new server before stopping the @@ -222,7 +268,7 @@ Features: and we might want to requeue the mounts local-fs acquired through that automatically. -* rework specifier logic so that we can distuingish OOM errors from other errors +* rework specifier logic so that we can distinguish OOM errors from other errors * systemd-inhibit: make taking delay locks useful: support sending SIGINT or SIGTERM on PrepareForSleep() @@ -232,13 +278,13 @@ Features: * documentation: recommend to connect the timer units of a service to the service via Also= in [Install] -* add a tool that lists active timer units plus their next elapstion and the time the units ran last +* add a tool that lists active timer units plus their next elapse and the time the units ran last * man: document the very specific env the shutdown drop-in tools live in * shutdown logging: store to EFI var, and store to USB stick? -* man: extend runlevel(8) to mention that runlevels suck, and are dead. Maybe add runlevel(7) with a note about that too +* man: extend runlevel(8) to mention that runlevels suck, and are dead. Maybe add runlevel(7) with a note about that too * systemctl: maybe add "systemctl add-wants" or so... @@ -259,9 +305,6 @@ Features: * timedate: have global on/off switches for auto-time (NTP), and auto-timezone that connman can subscribe to. -* Honour "-" prefix for InaccessibleDirectories= and ReadOnlyDirectories= to - suppress errors of the specified path doesn't exist - * dev-setup.c: when running in a container, create a tiny stub udev database with the systemd tag set for all network interfaces found, so that libudev reports them as present, and systemd's .device units @@ -276,7 +319,7 @@ Features: - write man page for efi boot generator - honor language efi variables for default language selection (if there are any?) - honor timezone efi variables for default timezone selection (if there are any?) - - introduce bootctl (backed by systemd-bootd) to control temporary and persistent default boot goal plus efi variables + - change bootctl to be backed by systemd-bootd to control temporary and persistent default boot goal plus efi variables * maybe do not install getty@tty1.service symlink in /etc but in /usr? @@ -295,7 +338,6 @@ Features: - logind: wakelock/opportunistic suspend support - Add pretty name for seats in logind - logind: allow showing logout dialog from system? - - logind: spawn user@..service on login - logind: non-local X11 server handling - logind: add equivalent to sd_pid_get_owner_uid() to the D-Bus API - pam: when leaving a session explicitly exclude the ReleaseSession() caller process from the killing spree @@ -304,8 +346,6 @@ Features: * exec: when deinitializating a tty device fix the perms and group, too, not only when initializing. Set access mode/gid to 0620/tty. -* DeviceAllow/DeviceDeny: disallow everything by default, but whitelist /dev/zero, /dev/null and friends - * service: watchdog logic: for testing purposes allow ping, but do not require pong * journal: @@ -334,14 +374,13 @@ Features: - journal-send.c, log.c: when the log socket is clogged, and we drop, count this and write a message about this when it gets unclogged again. - journal: find a way to allow dropping history early, based on priority, other rules - journal: When used on NFS, check payload hashes - - Introduce journalctl -b to show journal messages of a previous boot - journald: check whether it is OK if the client can still modify delivered journal entries - journal live copy, based on libneon (client) and libmicrohttpd (server) - journald: add kernel cmdline option to disable ratelimiting for debug purposes - refuse taking lower-case variable names in sd_journal_send() and friends. - journald: we currently rotate only after MaxUse+MaxFilesize has been reached. - journal: deal nicely with byte-by-byte copied files, especially regards header - - journalctl: show multiline log messages sanely, expand tabs, and show all valid utf8 messages + - journalctl: expand tabs - journal: store euid in journal if it differs from uid - 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 @@ -394,10 +433,6 @@ 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. -* hwdb: - - implement conditional properties (dmi matches) - - hwdb --filter=ID_DRIVE_* - * if booted in "quiet" mode, and an error happens, turn on status output again, so that the emergency mode isn't totally surprising. Also, terminate plymouth. @@ -485,8 +520,6 @@ Features: * Query Paul Moore about relabelling socket fds while they are open -* system.conf should have controls for cgroups - * allow writing multiple conditions in unit files on one line * explore multiple service instances per listening socket idea @@ -504,8 +537,6 @@ Features: when done. That means clients don't get a successful method reply, but much rather a disconnect on success. -* remember which condition failed for services, not just the fact that something failed - * use opterr = 0 for all getopt tools * properly handle loop back mounts via fstab, especially regards to fsck/passno @@ -556,7 +587,6 @@ Features: * udev: - remove src/udev/udev-builtin-firmware.c (CONFIG_FW_LOADER_USER_HELPER=n) - move to LGPL - - unify utf8 validator code with shared/ - kill scsi_id - add trigger --subsystem-match=usb/usb_device device @@ -580,10 +610,6 @@ Features: * support crash reporting operation modes (https://live.gnome.org/GnomeOS/Design/Whiteboards/ProblemReporting) -* clean up session cgroups that remain after logout (think sshd), but eventually run empty - -* when an instanced service exits, remove its parent cgroup too if possible. - * default to actual 32bit PIDs, via /proc/sys/kernel/pid_max * be able to specify a forced restart of service A where service B depends on, in case B @@ -617,6 +643,8 @@ 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. + * Make it possible to set the keymap independently from the font on the kernel cmdline. Right now setting one resets also the other. @@ -694,6 +722,8 @@ Features: - document initcall_debug - kernel cmdline "bootchart" option for simplicity? +* systemd-run is missing zsh completion scripts + External: * dbus: