X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=52a32d3a94a18dba7314fcf6e86e77c9f399ec0a;hp=af7863cb3e07c2192186c13f67f6f9f6a0598f35;hb=50236d480a6c30b1e5f6d37cb1931ffa3f8df959;hpb=243399a68074d7718e4f3c59af913abbf37c718c diff --git a/TODO b/TODO index af7863cb3..52a32d3a9 100644 --- a/TODO +++ b/TODO @@ -16,6 +16,9 @@ Bugfixes: str_split_quoted() should return a real return code, so spawn_child can report the failure properly. +* When systemctl --host is used, underlying ssh connection can remain open. + bus_close does not kill children? + External: * Fedora: add an rpmlint check that verifies that all unit files in the RPM are listed in %systemd_post macros. @@ -31,26 +34,101 @@ External: Features: -* rename sd_bus_open_system_container() to sd_bus_open_system_machine() +* journalctl --verify: don't show files that are currently being + written to as FAIL, but instead show that their are being written + to. -* Port various tools to make use of verbs.[ch], where applicable +* add udev rule construct SYSCTL{} to write to sysctls + +* assign MESSAGE_ID to log messages about failed services + +* coredump: make the handler check /proc/$PID/rlimits for RLIMIT_CORE, + and supress coredump if turned off. Then change RLIMIT_CORE to + infinity by default for all services. This then allows per-service + control of coredumping. + +* generate better errors when people try to set transient properties + that are not supported... + http://lists.freedesktop.org/archives/systemd-devel/2015-February/028076.html + +* PID 1: when invoking systemctl preset-all on first boots, operate in + an exclusively additive way, i.e. never remove any pre-existing + symlinks, only add new ones. + +* Introduce $LISTEN_NAMES to complement $LISTEN_FDS, containing a + colon separated list of identifiers for the fds passed. + +* networkd: implement BindCarrier= logic to .network units that binds + application of the file to the carrier sense on another interface, + in order to implement uplink/downlink logic. + +* when the fstab-generator runs in the initrd, it should create a /dev/null mask for systemd-fsck-root.service, to avoid that the the root fs is fsck'ed twice. + +* maybe introduce WantsMountsFor=? Usecase: + http://lists.freedesktop.org/archives/systemd-devel/2015-January/027729.html + +* rework kexec logic to use new kexec_file_load() syscall, so that we + don't have to call kexec tool anymore. + +* The udev blkid built-in should expose a property that reflects + whether media was sensed in USB CF/SD card readers. This should then + be used to control SYSTEMD_READY=1/0 so that USB card readers aren't + picked up by systemd unless they contain a medium. This would mirror + the behaviour we already have for CD drives. + +* nspawn: emulate /dev/kmsg using CUSE and turn off the syslog syscall + with seccomp. That should provide us with a useful log buffer that + systemd can log to during early boot, and disconnect container logs + from the kernel's logs. + +* networkd/udev: implement SR_IOV configuration in .link files: + http://lists.freedesktop.org/archives/systemd-devel/2015-January/027451.html + +* When RLIMIT_NPROC is set from a unit file it currently always is set + for root, not for the user set in User=, which makes it + useless. After fixing this, set RLIMIT_NPROC for + systemd-journal-xyz, and all other of our services that run under + their own user ids, and use User= (but only in a world where userns + is ubiquitous since otherwise we cannot invoke those daemons on the + host AND in a container anymore). Also, if LimitNPROC= is used + without User= we should warn and refuse operation. + +* logind: maybe allow configuration of the StopTimeout for session scopes -* Check all invocations of access() and consider turning them into laccess() +* Set NoNewPriviliges= on all of our own services, where that makes sense -* "machinectl start/enable/disable foo" as aliases for "systemctl start/enable/disable systemd-nspawn@foo.service" +* Rework systemctl's GetAll property parsing to use the generic bus_map_all_properties() API -* "machinectl snapshot" to make a snapshot of a tree or container into /var/lib/containers +* rework journald sigbus stuff to use mutex -* "machinectl rm" to remove a container tree from /var/lib/containers +* import-dkr: support tarsum checksum verification, if it becomes reality one day... + +* import-dkr: convert json bits to nspawn configuration + +* import: support import from local files, and export to local files + +* core/cgroup: support net_cls modules, and support automatically allocating class ids, then add support for making firewall changes depending on it, to implement a per-service firewall + +* introduce systemd-nspawn-ephemeral@.service, and hook it into "machinectl start" with a new --ephemeral switch + +* "machinectl status" should also show internal logs of the container in question + +* "machinectl list-images" should show os-release data, as well as machine-info data (including deployment level) + +* nspawn: when start a container "foobar" look for its configuration in a file "foobar.nspawn" in /etc/systemd/nspawn/ as well as next to the actualy directory or image to boot + +* Port various tools to make use of verbs.[ch], where applicable * "machinectl history" * "machinectl diff" -* "machinectl status" should show 10 most recent log lines of both the host logs of the unit of the machine, plus the logs generated in the machine +* "machinectl commit" that takes a writable snapshot of a tree, invokes a shell in it, and marks it read-only after use * add transparent btrfs pool in a loopback file in /var if btrfs operations (such as systemd-import pull-dkr) are used and /var is not a btrfs file system +* systemd-nspawn -x should support ephemeral instances of gpt images + * hostnamectl: show root image uuid * sysfs set api in libudev is not const @@ -60,10 +138,6 @@ Features: * port libmount hookup to use API's own inotify interface, as soon as that is table in libmount -* journald: broken file systems are real (btrfs), we need to handle - SIGBUS in some way if we cannot write or read from the disk. - https://bugzilla.redhat.com/show_bug.cgi?id=1151848 - * "systemctl preset-all" should probably order the unit files it operates on lexicographically before starting to work, in order to ensure deterministic behaviour if two unit files conflict (like DMs @@ -75,7 +149,7 @@ Features: * systemd-journal-upload (or a new, related tool): allow pushing out journal messages onto the network in BSD syslog protocol, - continously. Default to some link-local IP mcast group, to make this + continuously. Default to some link-local IP mcast group, to make this useful as a one-stop debugging tool. * synchronize console access with BSD locks: @@ -90,9 +164,6 @@ Features: * in systemctl list-unit-files: show the install value the presets would suggest for a service in a third column -* we should try harder to collapse start jobs for swaps that end up being the same: - http://lists.freedesktop.org/archives/systemd-devel/2014-November/025359.html - * timedated should compensate on SetTime for the time spent in polkit * figure out when we can use the coarse timers @@ -108,8 +179,6 @@ Features: * timesyncd + resolved: add ugly bus calls to set NTP and DNS servers per-interface, for usage by NM -* networkd-wait-online really should have a timeout by default - * add infrastructure to allocate dynamic/transient users and UID ranges, for use in user-namespaced containers, per-seat gdm login screens and gdm guest sessions * machined: add an API so that libvirt-lxc can inform us about network interfaces being removed or added to an existing machine @@ -122,8 +191,6 @@ Features: * systemd --user should issue sd_notify() upon reaching basic.target, not on becoming idle -* configure.ac pretends dbus was optional but actually hardcodes use of dbus' pkg-config file to determine various dbus dirs such as policy and activation dirs - * consider showing the unit names during boot up in the status output, not just the unit descriptions * dhcp: do we allow configuring dhcp routes on interfaces that are not the one we got the dhcp info from? @@ -184,6 +251,7 @@ Features: for all routes to it. possibly a second default for DHCP routes. - allow Name= to be specified repeatedly in the [Match] section. Maybe also support Name=foo*|bar*|baz ? + - duplicate address check for static IPs (like ARPCHECK in network-scripts) * resolved: - put networkd events and rtnl events at a higher priority, so that @@ -269,9 +337,6 @@ Features: desktop UIs such as gnome-shell to freeze apps that are not visible on screen, not unlike how job control works on the shell -* completions: - - manager property enumeration was broken when systemd moved to /usr/lib/ - * cgroups: - implement per-slice CPUFairScheduling=1 switch - handle jointly mounted controllers correctly @@ -282,7 +347,6 @@ Features: the hierarchies of child processes * transient units: - - allow creating auxiliary units with the same call - 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 @@ -320,20 +384,12 @@ Features: ReadOnlyDirectories=... for whitelisting files for a service. * sd-bus: + - GetAllProperties() on a non-existing object does not result in a failure currently - kdbus: process fd=-1 for incoming msgs - - make dsrt happy, and change userspace header for kdbus to yyyyuta{tv}v - - kdbus: PID/TID goes missing for method calls from outside the PID namespace? - - kdbus: the kernel should not allow messages to be delivered that have a reply serial != 0, reply-expect unset, but no appropriate window - - kdbus: timestamps on kernel's NameOwnerChanged messages? - - kdbus' busnames.target should get pulled in by basic.target - - Ignore .busname units on classic D-Bus boots, systemd-resolved cannot be started on kdbus - without the active policy and should get a Wants=org.freedesktop.resolve1.busname to - pull-in the policy. - port to sd-resolve for connecting to TCP dbus servers - kdbus: maybe add controlling tty metadata fields - see if we can introduce a new sd_bus_get_owner_machine_id() call to retrieve the machine ID of the machine of the bus itself - when kdbus does not take our message without memfds, try again with memfds - - introduce sd_bus_emit_object_added()/sd_bus_emit_object_removed() that automatically includes the build-in interfaces in the list - 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? @@ -388,9 +444,6 @@ Features: * teach ConditionKernelCommandLine= globs or regexes (in order to match foobar={no,0,off}) -* after all byte-wise realloc() is slow, even on glibc, so i guess we - need manual exponential loops after all - * BootLoaderSpec: Clarify that the kernel has to be in $BOOT. Clarify that the boot loader should be installed to the ESP. Define a way how an installer can figure out whether a BLS compliant boot loader @@ -453,7 +506,6 @@ Features: - logind: when the power button is pressed short, just popup a logout dialog. If it is pressed for 1s, do the usual shutdown. Inspiration are Macs here. - - logind: allow users to kill or lock their own sessions - expose "Locked" property on logind sesison objects - given that logind now lets PID 1 do all nasty work, we can probably reduce the capability set it retains substantially. @@ -483,11 +535,11 @@ Features: - journal: add a setgid "systemd-journal" utility to invoke from libsystemd-journal, which passes fds via STDOUT and does PK access - journactl: support negative filtering, i.e. FOOBAR!="waldo", and !FOOBAR for events without FOOBAR. - - journal: send out marker messages every now and then, and immediately sync with fdatasync() afterwards, in order to have hourly guaranteed syncs. + - journal: store timestamp of journal_file_set_offline() int he header, + so it is possible to display when the file was last synced. - 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 - - 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. @@ -580,11 +632,7 @@ Features: * currently x-systemd.timeout is lost in the initrd, since crypttab is copied into dracut, but fstab is not * nspawn: - - bind mount read-only the cgroup tree higher than nspawn - refuses to boot containers without /etc/machine-id (OK?), and with empty /etc/machine-id (not OK). - - introduce machines.target to order after all nspawn instances - - systemd-nspawn@.service should fail if some nspawn arg is invalid, with Type=notify - - PID 1 doesn't apply nspawns devices cgroup policy * cryptsetup: - cryptsetup-generator: allow specification of passwords in crypttab itself @@ -647,6 +695,7 @@ Features: - kill scsi_id - add trigger --subsystem-match=usb/usb_device device - reimport udev db after MOVE events for devices without dev_t + - don't keep stale db in case event processing fails (also notify userspace about the failure) * 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 @@ -671,6 +720,8 @@ Features: * tmpfiles: - apply "x" on "D" too (see patch from William Douglas) + - replace F with f+. + - instead of ignoring unknown fields, reject them. * for services: do not set $HOME in services unless requested @@ -781,7 +832,6 @@ Features: - write more test cases - implement and do duplicate address detection, see rfc 4862, 5.4. - implement reconfigure support, see 5.3., 15.11. and 22.20. - - implement information request, see 1.2. and 18.1.5. - implement support for temporary adressess (IA_TA) - implement dhcpv6 authentication - investigate the usefulness of Confirm messages; i.e. are there any