This had always worked in my testing, but a user on hardware reported
this to happen 100%, and I reproduced it once with cold VM host caches.
dracut-zfs-generator runs as a systemd generator, i.e. at Some
Relatively Early Time; if root= is a fixed dataset, it tries to
"solve [necessities] statically at generation time".
If by that point zfs-import.target hasn't popped (because the import is
taking a non-negligible amount of time for whatever reason), it'll see
no children for the root datase, and as such generate no mounts.
This has never had any right to work. No-one caught this earlier because
it's just that much more convenient to have root=zfs:AUTO, which orders
itself properly.
To fix this, always run zfs-nonroot-necessities.service;
this additionally simplifies the implementation by:
* making BOOTFS from zfs-env-bootfs.service be the real, canonical,
root dataset name, not just "whatever the first bootfs is",
and only set it if we're ZFS-booting
* zfs-{rollback,snapshot}-bootfs.service can use this instead of
re-implementing it
* having zfs-env-bootfs.service also set BOOTFSFLAGS
* this means the sysroot.mount drop-in can be fixed text
* zfs-nonroot-necessities.service can also be constant and always
enabled, because it's conditioned on BOOTFS being set
There is no longer any code generated at run-time
(the sysroot.mount drop-in is an unavoidable gratuitous cp).
The flow of BOOTFS{,FLAGS} from zfs-env-bootfs.service to sysroot.mount
is not noted explicitly in dracut.zfs(7), because (a) at some point it's
just visual noise and (b) it's already ordered via d-p-m.s from z-i.t.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes#14690
Simply prevent overwriting root until it needs to be overwritten.
Dracut could change this value before this module is called, but won't
change the kernel command line.
Reviewed-by: Andrew J. Hesford <ajh@sideband.org>
Signed-off-by: Toyam Cox <vaelatern@voidlinux.org>
Closes#13592
It was originally released in dracut 008 in February 2011;
we can probably drop it now
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes#13291
Also don't set ROOTFS_MOUNTED; the final mention was removed in dracut
011 from July 2011
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes#13291
The only user is mount-zfs.sh (non-systemd systems),
so reduce it to what it needs
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes#13291
So far, everything parsed root= manually, which meant that while
zfs-parse.sh was updated, and supposedly supported + -> ' ' conversion,
it meant nothing
Instead, centralise parsing, and allow:
root=
root=zfs
root=zfs:
root=zfs:AUTO
root=ZFS=data/set
root=zfs:data/set
root=zfs:ZFS=data/set (as a side-effect; allowed but undocumented)
rootfstype=zfs AND root=data/set <=> root=data/set
rootfstype=zfs AND root= <=> root=zfs:AUTO
So rootfstype=zfs /also/ behaves as expected, and + decoding works
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes#13291
07a3312f17, which introduced this in
October of 2014, didn't have zpool export -a available; we do
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes#13093
- Remove `SHELLCHECK_IGNORE` in favor of inline suppressions
and more general `SHELLCHECK_OPTS`.
- Exclude `SC2250` (turned on by `--enable=all`) globally
- Pass `--enable=all` to shellcheck for scripts in contrib/: it's
very important to catch errors early in areas that are not easily
testable.
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes#12760
plymouth --command splits the command on spaces which means
that zfs-load-key was getting the filesystem name enclosed
in single quotes (since 13c59bb76) and failing. This commit
fixes it by piping the password directly to the command
similar to how it's done in other scripts (initramfs,
dracut without plymouth).
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Michal Vasilek <michal@vasilek.cz>
Related-to: #9193
Related-to: #9202Closes#12147
This partly mirrors what the i-t script does (though that mounts all
children, recursively) ‒ /etc, /usr, /lib*, and /bin are all essential,
if present, to successfully invoke the real init, which will then mount
everything else it might need in the right order
The following extreme-case set-up boots w/o issues now:
/ zoot zfs rw,relatime,xattr,noacl
├─/etc zoot/etc zfs rw,relatime,xattr,noacl
├─/usr zoot/usr zfs rw,relatime,xattr,noacl
│ └─/usr/local zoot/usr/local zfs rw,relatime,xattr,noacl
├─/var zoot/var zfs rw,relatime,xattr,noacl
│ ├─/var/lib zoot/var/lib zfs rw,relatime,xattr,noacl
│ ├─/var/log zoot/var/log zfs rw,relatime,xattr,posixacl
│ ├─/var/cache zoot/var/cache zfs rw,relatime,xattr,noacl
│ └─/var/tmp zoot/var/tmp zfs rw,relatime,xattr,noacl
├─/home zoot/home zfs rw,relatime,xattr,noacl
│ └─/home/nab zoot/home/nab zfs rw,relatime,xattr,noacl
├─/boot zoot/boot zfs rw,relatime,xattr,noacl
├─/root zoot/home/root zfs rw,relatime,xattr,noacl
├─/opt zoot/opt zfs rw,relatime,xattr,noacl
└─/srv zoot/srv zfs rw,relatime,xattr,noacl
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes#11898
Despite that dracut has a hard dependency on bash,
its modules doesn't, dracut only has a hard dependency on bash for
module-setup (on a fully usable machine). Inside initramfs, dracut
allows users choose from a list of handful other shells, e.g. bash,
busybox, dash, mkfsh.
In fact, my local machine's initramfs is being built with dash,
and it's functional for a very long time.
Before 64025fa3a (Silence 'make checkbashisms', 2020-08-20), we also
allows our users to have that right, too.
Let's fix the problem 'make checkbashisms' reported and allows our users
to have that right, again.
For 'plymouth' case, let's simply run the command inside the if instead
of checking for the existence of command before running it, because the
status is also failture if plymouth is unavailable.
While we're at it, let's remove an unnecessary fork for grep in
zfs-generator.sh.in and its following complicated 'if elif fi' with
a simple 'case ... esac'.
To support this change, also exclude 90zfs from "make checkbashisms"
because the current CI infrastructure ships an old version of
"checkbashisms", which complains about "command -v", while the current
latest "checkbashisms" thinks it's fine. In the near future, we can
revert that change to "Makefile.am" when CI infrastructure is updated.
Reviewed-by: Gabriel A. Devenyi <gdevenyi@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Closes#11244
Commit d2bce6d03 added the 'make checkbashisms' target but did not
resolve all of the bashisms in the scripts. This commit doesn't
resolve them all either but it does fix up a few, and it excludes
the others so 'make checkstyle' no longer prints warnings. It's
a small step in the right direction.
* Dracut is Linux specific and itself depends on bash. Therefore
all dracut support scripts can be bash specific, update their
shebang accordingly.
* zed-functions.sh, zfs-import, zfs-mount, zfs-zed, smart
paxcheck.sh, make_gitrev.sh - these scripts were excuded from
the check until they can be updated and properly tested.
* zfsunlock - only whole values for sleep are allowed.
* vdev_id - removed unneeded locals; use && instead of -a.
* dkms.mkconf, dkms.postbuil - use || instead of -o.
Reviewed-by: InsanePrawn <insane.prawny@gmail.com>
Reviewed-by: Gabriel A. Devenyi <gdevenyi@gmail.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes#10755
The whereis command should not be used since it may not exist
in the initramfs. The dracut plymouth module also uses the type
command instead of whereis.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Garrett Fields <ghfields@gmail.com>
Signed-off-by: Dacian Reece-Stremtan <dacianstremtan@gmail.com>
Closes#8920Closes#8938
- In older systems without sysroot.mount, import before dracut-mount,
and re-enable old dracut mount hook
- rootflags MUST be present even if the administrator neglected to
specify it explicitly
- Check that mount.zfs exists in sbindir
- Remove awk and head as (now unused) requirements, add grep, and
install the right mount.zfs
- Eliminate one use of grep in Dracut
- Use a more accurate grepping statement to identify zfsutil in rootflags
- Ensure that pooldev is nonempty
- Properly handle /dev/sd* devices and more
- Use new -P to get list of zpool devices
- Bail out of the generator when zfs:AUTO is on the root command line
- Ignore errors from systemctl trying to load sysroot.mount, we only
care about the output
- Determine which one is the correct initqueuedir at run time.
- Add a compatibility getargbool for our detection / setup script.
- Update dracut .gitignore files
Signed-off-by: <Matthew Thode mthode@mthode.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes#4558Closes#4562
The dracut code is analogous to the initramfs code and as such
it should be located in the contrib with initramfs for consistency.
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
