Features:
+* when dissecting images, warn about unrecognized partition flags
+
+* honour specifiers in unit files that resolve to some very basic
+ /etc/os-release data, such as ID, VERSION_ID, BUILD_ID, VARIANT_ID.
+
* socket units: allow creating a udev monitor socket with ListenDevices= or so,
with matches, then actviate app thorugh that passing socket oveer
waitid() only on the children with the highest priority until one is waitable
and ignore all lower-prio ones from that point on
-* sd-event: drop stack allocated epoll_event buffer in sd_event_wait()
-
* maybe introduce xattrs that can be set on the root dir of the root fs
partition that declare the volatility mode to use the image in. Previously I
thought marking this via GPT partition flags but that's not ideal since
shouldn't operate in a volatile mode unless we got told so from a trusted
source.
-* look for /var/tmp automatically via gpt auto discovery
-
* figure out automatic partition discovery when combining writable root dir
with immutable /usr
1. add resume_offset support to the resume code (i.e. support swap files
properly)
2. check if swap is on weird storage and refuse if so
- 3. add autodetection of hibernation images
+ 3. add auto-detection of hibernation images
* cgroups: use inotify to get notified when somebody else modifies cgroups
owned by us, then log a friendly warning.
* show whether a service has out-of-date configuration in "systemctl status" by
using mtime data of ConfigurationDirectory=.
-* replace all remaining uses of fgets() + LINE_MAX by read_line()
-
* Add AddUser= setting to unit files, similar to DynamicUser=1 which however
creates a static, persistent user rather than a dynamic, transient user. We
can leverage code from sysusers.d for this.
"systemd-gdb" for attaching to the start-up of any system service in its
natural habitat.
-* maybe introduce gpt auto discovery for /var/tmp?
-
* maybe add gpt-partition-based user management: each user gets his own
LUKS-encrypted GPT partition with a new GPT type. A small nss module
enumerates users via udev partition enumeration. UIDs are assigned in a fixed
with stateless/read-only/verity-enabled root. (other idea: do this based on
loopback files in /home, without GPT involvement)
-* gpt-auto logic: introduce support for discovering /var matching an image. For
- that, use a partition type UUID that is hashed from the OS name (as encoded
- in /etc/os-release), the architecture, and 4 new bits from the gpt flags
- field of the root partition. This way can easily support multiple OS
- installations on the same GPT partition table, without problems with
- unmatched /var partitions.
-
* gpt-auto logic: related to the above, maybe support a "secondary" root
partition, that is mounted to / and is writable, and where the actual root's
/usr is mounted into.
* define gpt header bits to select volatility mode
-* ProtectKernelLogs= (drops CAP_SYSLOG, add seccomp for syslog() syscall, and DeviceAllow to /dev/kmsg) in service files
-
* ProtectClock= (drops CAP_SYS_TIMES, adds seecomp filters for settimeofday, adjtimex), sets DeviceAllow o /dev/rtc
* ProtectTracing= (drops CAP_SYS_PTRACE, blocks ptrace syscall, makes /sys/kernel/tracing go away)
* when we detect that there are waiting jobs but no running jobs, do something
-* push CPUAffinity= also into the "cpuset" cgroup controller (only after the cpuset controller got ported to the unified hierarchy)
+* push CPUAffinity= also into the "cpuset" cgroup controller
* PID 1 should send out sd_notify("WATCHDOG=1") messages (for usage in the --user mode, and when run via nspawn)
* as soon as we have sender timestamps, revisit coalescing multiple parallel daemon reloads:
http://lists.freedesktop.org/archives/systemd-devel/2014-December/025862.html
-* in systemctl list-unit-files: show the install value the presets would suggest for a service in a third column
-
* figure out when we can use the coarse timers
* add "systemctl start -v foobar.service" that shows logs of a service
* what to do about udev db binary stability for apps? (raw access is not an option)
-* man: maybe use the word "inspect" rather than "introspect"?
-
* systemctl: if some operation fails, show log output?
* systemctl edit: use equivalent of cat() to insert existing config as a comment, prepended with #.
- allow multiple signal handlers per signal?
- document chaining of signal handler for SIGCHLD and child handlers
- define more intervals where we will shift wakeup intervals around in, 1h, 6h, 24h, ...
- - generate a failure of a default event loop is executed out-of-thread
* investigate endianness issues of UUID vs. GUID
- allow Type=simple with PIDFile=
https://bugzilla.redhat.com/show_bug.cgi?id=723942
- allow writing multiple conditions in unit files on one line
- - load-fragment: when loading a unit file via a chain of symlinks
- verify that it is not masked via any of the names traversed.
- introduce Type=pid-file
- introduce mix of BindTo and Requisite
- add a concept of RemainAfterExit= to scope units
- Allow multiple ExecStart= for all Type= settings, so that we can cover rescue.service nicely
+ - add verification of [Install] section to systemd-analyze verify
* udev-link-config:
- Make sure ID_PATH is always exported and complete for
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