X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=fedcf591823f1e55e4294d97ebf8b0c124b555a5;hp=b86e30830358ee13f7b12f72672b934f4d86b3af;hb=2cd3aa24820e5d82375c8cc3e4446d884ee4fee0;hpb=7e27f3121e5a10629302b5221eb21345f832724a diff --git a/TODO b/TODO index b86e30830..fedcf5918 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 @@ -37,27 +31,98 @@ External: Features: -* 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 +* Port various tools to make use of verbs.[ch], where applicable -* resolved: maybe randomize DNS UDP source ports +* Check all invocations of access() and consider turning them into laccess() -* resolved: maybe compare query section of DNS replies +* "machinectl run" that works like systemd-run, but allocates a pty in the container and attached the service to it -* machined: add an API so that libvirt-lxc can inform us about network interfaces being removed or added to an existing machine +* "machinectl start/enable/disable foo" as aliases for "systemctl start/enable/disable systemd-nspawn@foo.service" -* maybe add support for specifier expansion in user.conf, specifically DefaultEnvironment= +* "machinectl snapshot" to make a snapshot of a tree or container into /var/lib/containers -* kdbus: set the bus-wide creds sender requirement mask to ANY +* "machinectl rm" to remove a container tree from /var/lib/containers -* kdbus: busnames.target should get pulled in by basic.target +* "machinectl history" -* code cleanup: retire FOREACH_WORD_QUOTED, port to unquote_first_word() loops instead +* "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 + +* make "machinectl login" use a new machined call AllocateMachinePty() or so to get a pty in a machine. That would open up logins to unprivileged clients + +* add transparent btrfs pool in a loopback file in /var if btrfs operations (such as systemd-import pull-dck) are used and /var is not a btrfs file system + +* machined: open up certain commands to unprivileged clients via polkit + +* 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 + +* bash completion for busctl, to make it truly useful + +* 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 + 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, + continously. Default to some link-local IP mcast group, to make this + useful as a one-stop debugging tool. + +* synchronize console access with BSD locks: + http://lists.freedesktop.org/archives/systemd-devel/2014-October/024582.html + +* 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 + +* 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 -* 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. +* figure out when we can use the coarse timers -* optionally support running journald from the command line for testing purposes in external projects +* sd-resolve: drop res_query wrapping, people should call via the bus to resolved instead -* journald: allow per-priority and per-service retention times when rotating/vacuuming +* 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? @@ -72,55 +137,37 @@ 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. @@ -159,17 +206,13 @@ 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: @@ -178,16 +221,12 @@ 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 @@ -197,8 +236,6 @@ 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= @@ -210,11 +247,6 @@ 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 @@ -282,10 +314,6 @@ 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 @@ -298,14 +326,20 @@ Features: ReadOnlyDirectories=... for whitelisting files for a service. * sd-bus: - - kdbus: maybe add euid, egid, fsuid, fsgid, controlling tty and ppid metadata fields + - 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 - - 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? @@ -318,6 +352,12 @@ 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? @@ -412,6 +452,19 @@ 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. @@ -458,6 +511,15 @@ 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 @@ -526,7 +588,9 @@ Features: * 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 + - 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 @@ -650,7 +714,6 @@ 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