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test: add a couple of test for fstab-related kernel cmdline args

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This commit is contained in:
Frantisek Sumsal 2023-04-08 20:49:45 +02:00
parent 2d4eb78ce1
commit ff8d435db4
1 changed files with 40 additions and 3 deletions
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43
test/units/testsuite-81.fstab-generator.sh
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@ -289,9 +289,6 @@ check_fstab_mount_units() {
done
}
# TODO
# - kernel arguments
: "fstab-generator: regular"
printf "%s\n" "${FSTAB_GENERAL_ROOT[@]}" >"$FSTAB"
cat "$FSTAB"
@ -362,3 +359,43 @@ SYSTEMD_FSTAB="$FSTAB" SYSTEMD_PROC_CMDLINE="rd.fstab=0" run_and_list "$GENERATO
SYSTEMD_FSTAB="$FSTAB" check_fstab_mount_units FSTAB_MINIMAL "$OUT_DIR"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB="$FSTAB" SYSTEMD_PROC_CMDLINE="rd.fstab=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
(! SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB="$FSTAB" check_fstab_mount_units FSTAB_MINIMAL "$OUT_DIR")
: "fstab-generator: kernel args - systemd.swap=0"
printf "%s\n" "${FSTAB_GENERAL_ROOT[@]}" >"$FSTAB"
cat "$FSTAB"
SYSTEMD_FSTAB="$FSTAB" SYSTEMD_PROC_CMDLINE="systemd.swap=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
# No swap units should get created here
[[ "$(find "$OUT_DIR" -name "*.swap" | wc -l)" -eq 0 ]]
# Possible TODO
# - combine the rootfs & usrfs arguments and mix them with fstab entries
# - systemd.volatile=
: "fstab-generator: kernel args - root= + rootfstype= + rootflags="
# shellcheck disable=SC2034
EXPECTED_FSTAB=(
"/dev/disk/by-label/rootfs / ext4 noexec,ro 0 1"
)
CMDLINE="root=LABEL=rootfs rootfstype=ext4 rootflags=noexec"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB=/dev/null SYSTEMD_SYSROOT_FSTAB=/dev/null SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
# The /proc/cmdline here is a dummy value to tell the in_initrd_host() function
# we're parsing host's fstab, but it's all on the kernel cmdline instead
SYSTEMD_IN_INITRD=1 SYSTEMD_SYSROOT_FSTAB=/proc/cmdline check_fstab_mount_units EXPECTED_FSTAB "$OUT_DIR"
# This is a very basic sanity test that involves manual checks, since adding it
# to the check_fstab_mount_units() function would make it way too complex
# (yet another possible TODO)
: "fstab-generator: kernel args - mount.usr= + mount.usrfstype= + mount.usrflags="
CMDLINE="mount.usr=UUID=be780f43-8803-4a76-9732-02ceda6e9808 mount.usrfstype=ext4 mount.usrflags=noexec,nodev"
SYSTEMD_IN_INITRD=1 SYSTEMD_FSTAB=/dev/null SYSTEMD_SYSROOT_FSTAB=/dev/null SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
cat "$OUT_DIR/sysroot-usr.mount" "$OUT_DIR/sysusr-usr.mount"
# The general idea here is to mount the device to /sysusr/usr and then
# bind-mount /sysusr/usr to /sysroot/usr
grep -qE "^What=/dev/disk/by-uuid/be780f43-8803-4a76-9732-02ceda6e9808$" "$OUT_DIR/sysusr-usr.mount"
grep -qE "^Where=/sysusr/usr$" "$OUT_DIR/sysusr-usr.mount"
grep -qE "^Type=ext4$" "$OUT_DIR/sysusr-usr.mount"
grep -qE "^Options=noexec,nodev,ro$" "$OUT_DIR/sysusr-usr.mount"
link_eq "$OUT_DIR/initrd-usr-fs.target.requires/sysusr-usr.mount" "../sysusr-usr.mount"
grep -qE "^What=/sysusr/usr$" "$OUT_DIR/sysroot-usr.mount"
grep -qE "^Where=/sysroot/usr$" "$OUT_DIR/sysroot-usr.mount"
grep -qE "^Options=bind$" "$OUT_DIR/sysroot-usr.mount"
link_eq "$OUT_DIR/initrd-fs.target.requires/sysroot-usr.mount" "../sysroot-usr.mount"