/usr/lib/dracut/modules.d/98dracut-systemd
Edit: /usr/lib/dracut/modules.d/98dracut-systemd/rootfs-generator.sh (4152B)
#!/bin/sh
type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
generator_wait_for_dev()
{
local _name
local _timeout
_name="$(str_replace "$1" '/' '\x2f')"
_timeout=$(getarg rd.timeout)
_timeout=${_timeout:-0}
if ! [ -e "$hookdir/initqueue/finished/devexists-${_name}.sh" ]; then
# If a LUKS device needs unlocking via systemd in the initrd, assume
# it's for the root device. In that case, don't block on it if it's
# after remote-fs-pre.target since the initqueue is ordered before it so
# it will never actually show up (think Tang-pinned rootfs).
cat > "$hookdir/initqueue/finished/devexists-${_name}.sh" << EOF
if ! grep -q After=remote-fs-pre.target /run/systemd/generator/systemd-cryptsetup@*.service 2>/dev/null; then
[ -e "$1" ]
fi
EOF
{
printf '[ -e "%s" ] || ' $1
printf 'warn "\"%s\" does not exist"\n' $1
} >> "$hookdir/emergency/80-${_name}.sh"
fi
_name=$(dev_unit_name "$1")
if ! [ -L "$GENERATOR_DIR"/initrd.target.wants/${_name}.device ]; then
[ -d "$GENERATOR_DIR"/initrd.target.wants ] || mkdir -p "$GENERATOR_DIR"/initrd.target.wants
ln -s ../${_name}.device "$GENERATOR_DIR"/initrd.target.wants/${_name}.device
fi
if ! [ -f "$GENERATOR_DIR"/${_name}.device.d/timeout.conf ]; then
mkdir -p "$GENERATOR_DIR"/${_name}.device.d
{
echo "[Unit]"
echo "JobTimeoutSec=$_timeout"
echo "JobRunningTimeoutSec=$_timeout"
} > "$GENERATOR_DIR"/${_name}.device.d/timeout.conf
fi
}
generator_mount_rootfs()
{
local _type=$2
local _flags=$3
local _name
[ -z "$1" ] && return 0
_name=$(dev_unit_name "$1")
[ -d "$GENERATOR_DIR" ] || mkdir -p "$GENERATOR_DIR"
if ! [ -f "$GENERATOR_DIR"/sysroot.mount ]; then
{
echo "[Unit]"
echo "Before=initrd-root-fs.target"
echo "Requires=systemd-fsck@${_name}.service"
echo "After=systemd-fsck@${_name}.service"
echo "[Mount]"
echo "Where=/sysroot"
echo "What=$1"
echo "Options=${_flags}"
echo "Type=${_type}"
} > "$GENERATOR_DIR"/sysroot.mount
fi
if ! [ -L "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount ]; then
[ -d "$GENERATOR_DIR"/initrd-root-fs.target.requires ] || mkdir -p "$GENERATOR_DIR"/initrd-root-fs.target.requires
ln -s ../sysroot.mount "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount
fi
}
generator_fsck_after_pre_mount()
{
local _name
[ -z "$1" ] && return 0
_name=$(dev_unit_name "$1")
[ -d /run/systemd/generator/systemd-fsck@${_name}.service.d ] || mkdir -p /run/systemd/generator/systemd-fsck@${_name}.service.d
if ! [ -f /run/systemd/generator/systemd-fsck@${_name}.service.d/after-pre-mount.conf ]; then
{
echo "[Unit]"
echo "After=dracut-pre-mount.service"
} > /run/systemd/generator/systemd-fsck@${_name}.service.d/after-pre-mount.conf
fi
}
root=$(getarg root=)
case "$root" in
block:LABEL=*|LABEL=*)
root="${root#block:}"
root="$(echo $root | sed 's,/,\\x2f,g')"
root="block:/dev/disk/by-label/${root#LABEL=}"
rootok=1 ;;
block:UUID=*|UUID=*)
root="${root#block:}"
root="block:/dev/disk/by-uuid/${root#UUID=}"
rootok=1 ;;
block:PARTUUID=*|PARTUUID=*)
root="${root#block:}"
root="block:/dev/disk/by-partuuid/${root#PARTUUID=}"
rootok=1 ;;
block:PARTLABEL=*|PARTLABEL=*)
root="${root#block:}"
root="block:/dev/disk/by-partlabel/${root#PARTLABEL=}"
rootok=1 ;;
/dev/nfs) # ignore legacy /dev/nfs
;;
/dev/*)
root="block:${root}"
rootok=1 ;;
esac
GENERATOR_DIR="$1"
if [ "$rootok" = "1" ]; then
generator_wait_for_dev "${root#block:}" "$RDRETRY"
generator_fsck_after_pre_mount "${root#block:}"
strstr "$(cat /proc/cmdline)" 'root=' || generator_mount_rootfs "${root#block:}" "$(getarg rootfstype=)" "$(getarg rootflags=)"
fi
exit 0