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Commit Graph

7 Commits

Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek
059cc610b7 meson: use jinja2 for unit templates
We don't need two (and half) templating systems anymore, yay!

I'm keeping the changes minimal, to make the diff manageable. Some enhancements
due to a better templating system might be possible in the future.

For handling of '## ' — see the next commit.
2021-05-19 10:24:43 +09:00
Lennart Poettering
29a24ab28e fstab-generator: if usr= is specified, mount it to /sysusr/usr/ first
This changes the fstab-generator to handle mounting of /usr/ a bit
differently than before. Instead of immediately mounting the fs to
/sysroot/usr/ we'll first mount it to /sysusr/usr/ and then add a
separate bind mount that mounts it from /sysusr/usr/ to /sysroot/usr/.

This way we can access /usr independently of the root fs, without for
waiting to be mounted via the /sysusr/ hierarchy. This is useful for
invoking systemd-repart while a root fs doesn't exist yet and for
creating it, with partition data read from the /usr/ hierarchy.

This introduces a new generic target initrd-usr-fs.target that may be
used to generically order services against /sysusr/ to become available.
2021-04-20 18:26:17 +02:00
Yu Watanabe
db9ecf0501 license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
Lennart Poettering
7e31e90e58 units: order volatile-root after repart
Let's make sure systemd-repart can still see the real device before we
replace its mount with an overlay mount, and thus order repart before
volatile-root.

See: https://lists.freedesktop.org/archives/systemd-devel/2020-July/044896.html
2020-08-11 09:12:56 +02:00
Zbigniew Jędrzejewski-Szmek
a7df2d1e43 Add SPDX license headers to unit files 2017-11-19 19:08:15 +01:00
Alan Jenkins
0b9ad5bf2e units: add missing Before=shutdown.target for units which it Conflicts
There's a few services missing this ordering.

Also remove a duplicate Conflicts=shutdown.target from
systemd-volatile-root.service.
2017-09-30 22:01:42 +01:00
Lennart Poettering
91214a37ef fstab-generator: add support for volatile boots
This adds support for a new kernel command line option "systemd.volatile=" that
provides the same functionality that systemd-nspawn's --volatile= switch
provides, but for host systems (i.e. systems booting with a kernel).

It takes the same parameter and has the same effect.

In order to implement systemd.volatile=yes a new service
systemd-volatile-root.service is introduced that only runs in the initrd and
rearranges the root directory as needed to become a tmpfs instance. Note that
systemd.volatile=state is implemented different: it simply generates a
var.mount unit file that is part of the normal boot and has no effect on the
initrd execution.

The way this is implemented ensures that other explicit configuration for /var
can always override the effect of these options.  Specifically, the var.mount
unit is generated in the "late" generator directory, so that it only is in
effect if nothing else overrides it.
2016-12-21 19:09:29 +01:00