X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=7be3c2415fe56cd7320c4b7d5483aa58136ded50;hp=5353340f27e0da12051f4631cb4e4861250c683b;hb=f8eeeaf9b783ebbab30672629abf3920db286811;hpb=4e143738bf170be9f957c47605deea8c54b75fdf diff --git a/TODO b/TODO index 5353340f2..7be3c2415 100644 --- a/TODO +++ b/TODO @@ -6,8 +6,6 @@ Bugfixes: 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. - * ExecStart with unicode characters fails in strv_split_quoted: [Service] @@ -18,14 +16,10 @@ Bugfixes: str_split_quoted() should return a real return code, so spawn_child can report the failure properly. -* udev_set_log_priority should verify the value before saving it. - External: * 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 - * Fedora: move kernel image to /usr/lib/modules/, kernel-install will take care of populating /boot * Fedora: remove /etc/resolv.conf tmpfiles hack @@ -35,24 +29,127 @@ External: * When lz4 gets an API for lz4 command output, make use of it to compress coredumps in a way compatible with /usr/bin/lz4. +Release 219 preparations: + +* rework journald sigbus stuff to use mutex + +* machinectl: document new importd commands + +* machinectl: when pressing C-c during transfers, send Cancel to server. + +* machinectl: show progress percentage in list + +* nspawn: don't change superblock mount options from nspawn for cgroup hierarchies + Features: -* kdbus: set the bus-wide creds sender requirement mask to ANY +* import-dkr: support tarsum checksum verification, if it becomes reality one day... -* code cleanup: retire FOREACH_WORD_QUOTED, port to unquote_first_word() loops instead +* 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 + +* bus-proxy: reload policy when PID 1 reports a reload + +* the dbus1 connection user id is actually the euid, not the uid, and creds should return that + +* introduce systemd-nspawn-ephemeral@.service, and hook it into "machinectl start" with a new --ephemeral switch + +* logind,machined: add generic catch-all polkit verbs for most priviliged operations, similar to systemd itself + +* "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 + +* Check all invocations of access() and consider turning them into laccess() + +* "machinectl history" + +* "machinectl diff" + +* "machinectl commit" that takes a writable snapshot of a tree, invokes a shell in it, and marks it read-only after use + +* "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 + +* 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 + +* move machinectl's mount and copy commands into machined + +* hostnamectl: show root image uuid + +* sysfs set api in libudev is not const + +* Find a solution for SMACK capabilities stuff: + http://lists.freedesktop.org/archives/systemd-devel/2014-December/026188.html + +* port libmount hookup to use API's own inotify interface, as soon as that is table in libmount + +* "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 + do, for example) + +* resolved should optionally register additional per-interface LLMNR + names, so that for the container case we can establish the same name + (maybe "host") for referencing the server, everywhere. + +* systemd-journal-upload (or a new, related tool): allow pushing out + journal messages onto the network in BSD syslog protocol, + continuously. Default to some link-local IP mcast group, to make this + useful as a one-stop debugging tool. -* 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. +* synchronize console access with BSD locks: + http://lists.freedesktop.org/archives/systemd-devel/2014-October/024582.html -* optionally support running journald from the command line for testing purposes in external projects +* as soon as we have kdbus, and sender timestamps, revisit coalescing multiple parallel daemon reloads: + http://lists.freedesktop.org/archives/systemd-devel/2014-December/025862.html -* journald: allow per-priority and per-service retention times when rotating/vacuuming +* set $REMOTE_IP (or $REMOTE_ADDR/$REMOTE_PORT) environment variable when doing per-connection socket activation. use format introduced by xinetd or CGI for this + +* the install state probably shouldn't get confused by generated units, think dbus1/kdbus compat! + +* 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 + +* sd-resolve: drop res_query wrapping, people should call via the bus to resolved instead + +* add "systemctl start -v foobar.service" that shows logs of a service + while the start command runs. This is non-trivial to do without + races though, since we should flush out all journal messages before + returning from the "systemctl stop". + +* firstboot: make it useful to be run immediately after yum --installroot to set up a machine. (most specifically, make --copy-root-password work even if /etc/passwd already exists + +* 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 + +* maybe add support for specifier expansion in user.conf, specifically DefaultEnvironment= + +* code cleanup: retire FOREACH_WORD_QUOTED, port to unquote_first_word() loops instead * introduce systemd-timesync-wait.service or so to sync on an NTP fix? * 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? @@ -60,55 +157,37 @@ Features: * maybe allow timer units with an empty Units= setting, so that they can be used for resuming the system but nothing else. -* what to do about udev db binary stability for apps? +* what to do about udev db binary stability for apps? (raw access is not an option) * maybe provide an API to allow migration of foreign PIDs into existing scopes. -* PID 1 doesn't apply nspawns devices cgroup policy - * maybe support a new very "soft" reboot mode, that simply kills all processes, disassembles everything, flushes /run and sysvipc, and then reexecs systemd again * man: document that corrupted journal files is nothing to act on -* bus-proxy: when passing messages from kdbus, make sure we properly - handle the case where a large number of fds is appended that we - cannot pass into sendmsg() of the AF_UNIX sokcet (which only accepts - 253 messages) - * man: maybe use the word "inspect" rather than "introspect"? -* introduce machines.target to order after all nspawn instances - -* systemd-nspawn@.service should fail if some nspawn arg is invalid, with Type=notify - * "machinectl list" should probably show columns for OS version and IP addresses -* systemctl: if it fails, show log output? +* systemctl: if some operation fails, show log output? -* maybe add "systemctl edit" that copies unit files from /usr/lib/systemd/system to /etc/systemd/system and invokes vim on them +* systemctl edit: +- allow creation of units from scratch +- use equvalent of cat() to insert existing config as a comment, prepended with #. + Upon editor exit, lines with one # are removed, lines with two # are left with one #, etc. * refcounting in sd-resolve is borked * exponential backoff in timesyncd and resolved when we cannot reach a server -* journald: make use of uid-range.h to managed uid ranges to split - journals in. - * tmpfiles: port to unquote_many_words(), similar to sysusers * unquote_many_words() should probably be used by a lot of code that currently uses FOREACH_WORD and friends. For example, most conf parsing callbacks should use it. -* logind: make the Suspend()/Hibernate() bus calls wait for the for - the job to be completed. before returning, so that clients can wait - for "systemctl suspend" to finish to know when the suspending is - complete. - * merge ~/.local/share and ~/.local/lib into one similar /usr/lib and /usr/share.... -* journald: allows specification of UID range for splitting up journal files - * systemd.show_status= should probably have a mode where only failed units are shown. @@ -147,17 +226,13 @@ Features: - edns0 - dname - cname on PTR (?) - -* 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. + - maybe randomize DNS UDP source ports + - maybe compare query section of DNS replies * Allow multiple ExecStart= for all Type= settings, so that we can cover rescue.service nicely * Add a new verb "systemctl top" -* logind: allow users to kill or lock their own sessions - * add new gpt type for btrfs volumes * support empty /etc boots nicely: @@ -166,16 +241,12 @@ Features: * generator that automatically discovers btrfs subvolumes, identifies their purpose based on some xattr on them. -* support setting empty environment variables with Environment= and EnvironmentFile= - * timer units: actually add extra delays to timer units with high AccuracySec values, don't start them already when we are awake... * 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 -* journalctl: add the ability to look for the most recent process of a binary. journalctl /usr/bin/X11 --pid=-1 or so... - * 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 @@ -185,8 +256,6 @@ Features: * sd-event: generate a failure of a default event loop is executed out-of-thread -* expose "Locked" property on logind sesison objects - * add bus api to query unit file's X fields. * consider adding RuntimeDirectoryUser= + RuntimeDirectoryGroup= @@ -198,11 +267,6 @@ Features: - Define new partition type for encrypted swap? Support probed LUKS for encrypted swap? - Make /home automount rather than mount? -* improve journalctl performance by loading journal files - lazily. Encode just enough information in the file name, so that we - do not have to open it to know that it is not interesting for us, for - the most common operations. - * 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 @@ -231,9 +295,6 @@ 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 @@ -270,10 +331,6 @@ Features: * refuse boot if /etc/os-release is missing or /etc/machine-id cannot be set up -* 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 * make sure gdm does not use multi-user-x but the new default X configuration file, and then remove multi-user-x from systemd @@ -286,14 +343,13 @@ Features: ReadOnlyDirectories=... for whitelisting files for a service. * sd-bus: - - kdbus: maybe add euid, egid, fsuid, fsgid, controlling tty and ppid metadata fields + - 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 + - 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 - - systemd-bus-proxyd needs to enforce good old XML policy - - 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 - - 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? @@ -306,6 +362,12 @@ Features: - path escaping - update systemd.special(7) to mention that dbus.socket is only about the compatibility socket now - test bloom filter generation indexes + - bus-proxy: when passing messages from kdbus, make sure we properly + handle the case where a large number of fds is appended that we + cannot pass into sendmsg() of the AF_UNIX sokcet (which only accepts + 253 messages) + - kdbus: introduce a concept of "send-only" connections + - kdbus: add counter for refused unicast messages that is passed out via the RECV ioctl. SImilar to the counter for dropped multicast messages we already have. * sd-event - allow multiple signal handlers per signal? @@ -342,9 +404,6 @@ 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 @@ -400,6 +459,19 @@ Features: any session we should probably just become a NOP, since that's usually not a real user session but just some system code that just needs setuid(). + - logind: make the Suspend()/Hibernate() bus calls wait for the for + the job to be completed. before returning, so that clients can wait + for "systemctl suspend" to finish to know when the suspending is + complete. + - 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. + (we need CAP_SYS_ADMIN for drmSetMaster(), so maybe not worth it) + - expose orientation sensors and tablet mode through logind * exec: when deinitializating a tty device fix the perms and group, too, not only when initializing. Set access mode/gid to 0620/tty. @@ -424,11 +496,11 @@ 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. @@ -446,6 +518,15 @@ Features: boot, and causes the journal to be moved back to /run on shutdown, so that we do not keep /var busy. This needs to happen synchronously, hence doing this via signals is not going to work. + - optionally support running journald from the command line for testing purposes in external projects + - journald: allow per-priority and per-service retention times when rotating/vacuuming + - journald: make use of uid-range.h to managed uid ranges to split + journals in. + - journalctl: add the ability to look for the most recent process of a binary. journalctl /usr/bin/X11 --pid=-1 or so... + - improve journalctl performance by loading journal files + lazily. Encode just enough information in the file name, so that we + do not have to open it to know that it is not interesting for us, for + the most common operations. * document: - document that deps in [Unit] sections ignore Alias= fields in @@ -512,9 +593,7 @@ 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). - - support taking a btrfs snapshot at startup and dropping it afterwards * cryptsetup: - cryptsetup-generator: allow specification of passwords in crypttab itself @@ -638,7 +717,6 @@ Features: - how to make changes to sysctl and sysfs attributes - remote access - how to pass throw-away units to systemd, or dynamically change properties of existing units - - how to integrate cgconfig and suchlike with systemd - testing with Harald's awesome test kit - auto-restart - how to develop against journal browsing APIs @@ -712,7 +790,6 @@ 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