Rename dracut modules folder.

10 files changed, 247 insertions, 0 deletions

diff --git a/builder/dnbd3-rootfs/hooks/cmdline/enable-sysrq.sh b/builder/dnbd3-rootfs/hooks/cmdline/enable-sysrq.sh
new file mode 100755
index 00000000..f779aa7a
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/cmdline/enable-sysrq.sh
@@ -0,0 +1,2 @@
+# enables magic sysrq keys
+echo 1 > /proc/sys/kernel/sysrq
diff --git a/builder/dnbd3-rootfs/hooks/cmdline/prepare-network-kcl-parameter.sh b/builder/dnbd3-rootfs/hooks/cmdline/prepare-network-kcl-parameter.sh
new file mode 100755
index 00000000..9f617b09
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/cmdline/prepare-network-kcl-parameter.sh
@@ -0,0 +1,36 @@
+command -v warn >/dev/null || . /lib/dracut-lib.sh
+
+# fakes the cmdline to fix the ip parsing in darcut's net-lib.sh
+[ -d /fake ] || mkdir /fake
+
+# need to be a tmpfs for the hack to work
+mount -t tmpfs tmpfs /fake
+
+for parameter in $(getargs ip=); do
+	local temp="$parameter:"
+	set --
+	while [ -n "$temp" ]; do
+		set -- "$@" "${temp%%:*}"
+		temp=${temp#*:}
+	done
+
+	[ -n "$1" ] && ip=$1
+	[ -n "$2" ] && server_ip=$2
+	[ -n "$3" ] && gateway_ip=$3
+	[ -n "$4" ] && net_mask=$4
+
+	warn "PXE given net configuration: ip: $ip server_ip: $server_ip gateway_ip: $gateway_ip net_mask: $net_mask"
+	local final_dracut_ip_config="$ip::$gateway_ip:$net_mask:hiwi-test-28:eno1:none"
+	warn "Final dracut ip config: $final_dracut_ip_config"
+	sed --regexp-extended "s/ip=[^ ]*/ip=$final_dracut_ip_config/g" /proc/cmdline > /fake/cmdline
+done
+
+
+# bind mount it. Can we trust mount return codes here?
+# # if so, we should check what we get in $?
+mount -o bind /fake/cmdline /proc/cmdline
+
+# check if it worked
+if ! grep 'hiwi-test-28:eno1:none' /proc/cmdline; then
+	warn 'Haxing cmdline did not work :( sad pandaz...'
+fi
diff --git a/builder/dnbd3-rootfs/hooks/cmdline/set-dracut-environment-variables.sh b/builder/dnbd3-rootfs/hooks/cmdline/set-dracut-environment-variables.sh
new file mode 100755
index 00000000..6deeb78f
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/cmdline/set-dracut-environment-variables.sh
@@ -0,0 +1,5 @@
+# set rootok and root as dracut expects them to be set by
+# the module preparing the root filesystem.
+
+rootok=1
+root=block:/dev/devicemapper/root
diff --git a/builder/dnbd3-rootfs/hooks/mount/mount-root-device.sh b/builder/dnbd3-rootfs/hooks/mount/mount-root-device.sh
new file mode 100755
index 00000000..f0d48174
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/mount/mount-root-device.sh
@@ -0,0 +1 @@
+mount /dev/mapper/root "$NEWROOT"
diff --git a/builder/dnbd3-rootfs/hooks/pre-mount/fetch-config.sh b/builder/dnbd3-rootfs/hooks/pre-mount/fetch-config.sh
new file mode 100755
index 00000000..a90481c8
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/pre-mount/fetch-config.sh
@@ -0,0 +1,39 @@
+# load dracut functions
+command -v getarg >/dev/null || . /lib/dracut-lib.sh
+
+# read SLX_SERVER and SLX_BASE from the kernel command line
+SLX_SERVER=$(getarg slxsrv)
+SLX_BASE=$(getarg slxbase)
+SLX_CONFIG_DIR="/opt/openslx"
+SLX_CONFIG_FILE="/opt/openslx/config"
+
+if [ -z "$SLX_SERVER" ]; then
+	warn "No 'slxsrv' parameter found in the kernel command line!"
+	warn "Skipping OpenSLX configuration..."
+	return 1
+fi
+if [ -z "$SLX_BASE" ]; then
+	warn "No 'slxbase' parameter found in the kernel command line!"
+	warn "Skipping OpenSLX configuration..."
+	return 1
+fi
+
+info "Getting configuration from OPENSLX-Server..."
+WGET="$(busybox which wget)"
+if [ -z $WGET ]; then
+	# do nothing
+	warn "'wget' not found. Skipping openslx configuration..."
+	return 1
+fi
+
+# ok then we are ready to download the config
+mkdir -p "${SLX_CONFIG_DIR}"
+$WGET -T 5 -q "http://${SLX_SERVER}/${SLX_BASE}/config" -O "${SLX_CONFIG_FILE}"
+RET="$?"
+if [ $RET -ne 0 ]; then
+	warn "Downloading OpenSLX configuration from ${SLX_SERVER}/${SLX_BASE} failed: $RET"
+	emergency_shell -n "$0"
+	return 1
+else
+	return 0
+fi
diff --git a/builder/dnbd3-rootfs/hooks/pre-mount/mount-qcow.sh b/builder/dnbd3-rootfs/hooks/pre-mount/mount-qcow.sh
new file mode 100755
index 00000000..d70492bf
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/pre-mount/mount-qcow.sh
@@ -0,0 +1,49 @@
+###############################################################################
+# CHECKS
+#
+
+SETUP_ROOTFS_SCRIPT="/sbin/setup-qcow2"
+
+if [ ! -e "${SETUP_ROOTFS_SCRIPT}" ]; then
+	warn "No such file of directory: ${SETUP_ROOTFS_SCRIPT}"
+	emergency_shell -n "Error in $0"
+	return 1
+fi
+
+if [ ! -x "${SETUP_ROOTFS_SCRIPT}" ]; then
+	warn "Cannot execute: ${SETUP_ROOTFS_SCRIPT}"
+	emergency_shell -n "Error in $0"
+	return 1
+fi
+
+#
+# END CHECKS
+###############################################################################
+
+###############################################################################
+# MAIN CODE
+#
+
+# ok, let's source the setup script
+if ! . ${SETUP_ROOTFS_SCRIPT} ; then
+	warn "Could not source: ${SETUP_ROOTFS_SCRIPT}"
+	emergency_shell -n "Error in $0"
+	return 1
+fi
+
+# just go over the functions in the right order ;-)
+for fun in connect_dnbd3 create_qcow export_qcow connect_qcow; do
+	if ! $fun; then
+		# something failed, drop a shell for debugging
+		warn "'$fun' failed with: $?"
+		emergency_shell -n "Error in $fun"
+		return 1
+	fi
+done
+
+# all good, we are done
+return 0
+
+#
+# END MAIN CODE
+###############################################################################
diff --git a/builder/dnbd3-rootfs/hooks/pre-mount/prepare-root-partition.sh b/builder/dnbd3-rootfs/hooks/pre-mount/prepare-root-partition.sh
new file mode 100755
index 00000000..8b5ea48e
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/pre-mount/prepare-root-partition.sh
@@ -0,0 +1,42 @@
+function create_partition_via_offset() {
+    local device="$1"
+    local nameOrUUID="$2"
+    local loopDevice=$(losetup -f)
+
+    local sectorSize=$(blockdev --getbsz $device)
+    local partitionInfo=$(partx --raw --noheadings --output START,NAME,UUID /dev/nbd0 2>/dev/null| grep $nameOrUUID)
+    local offsetSectors=$(echo $partitionInfo | cut -d' ' -f1)
+    if [ -z "$offsetSectors" ]; then
+        warn "could not find partition with label/uuid '$nameOrUUID' on device $device"
+        return 1
+    fi
+    #warn $(($offsetSectors*512)) # could overflow on 32bit systems
+    local offsetBytes=$(echo $| awk -v x=$offsetSectors -v y=$sectorSize '{print x * y}')
+
+    # test if mount works directly (problem with btrfs device id)
+    #mount -v -o loop,offset=$offsetBytes $device $mountPoint
+    losetup -v -o $offsetBytes $loopDevice $device
+    echo $loopDevice
+}
+
+# Close previous connections to be able to run this script many times.
+dnbd3-client --device /dev/dnbd0 --close && \
+dnbd3-client --host gateway --image archLinux.qcow2 --device /dev/dnbd0 && \
+qemu-nbd --connect=/dev/nbd0 /dev/dnbd0 --read-only && \
+local read_only_partition="$(create_partition_via_offset /dev/nbd0 system)" && \
+# Make read-only partition writable.
+# TODO implement persistent available indicator.
+if true; then
+    local writable_device="/dev/ram0" && \
+    mknod --mode 660 "$writable_device" b 1 1 && \
+    chown root.disk "$writable_device"
+else
+    # Use next free loop device.
+    local writable_device="$(losetup -f)" && \
+    dd if=/dev/zero of=persistent_storage.img bs=1k count=1000 && \
+    losetup "$writable_device" persistent_storage.img
+fi
+local size="$(blockdev --getsz "$read_only_partition")" && \
+local writable_partition_name="root" && \
+dmsetup create "$writable_partition_name" --table \
+    "0 $partion_size snapshot $read_only_partition $writable_device N 1"
diff --git a/builder/dnbd3-rootfs/hooks/pre-pivot/mount-tmp.sh b/builder/dnbd3-rootfs/hooks/pre-pivot/mount-tmp.sh
new file mode 100755
index 00000000..3e702064
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/pre-pivot/mount-tmp.sh
@@ -0,0 +1,40 @@
+# This script only checks if we found a usable partition for the
+# future /tmp. The discovery of that partition is done by udev during
+# the initqueue. If a valid partition is found (either GPT with the label
+# OPENSLX_TMP or MBR with the type 0x44) its path will be written to
+# /tmp/openslx.tmpdisk
+OPENSLX_TMP_DISK_FLAG="/tmp/openslx.disk.tmp"
+
+if [ ! -e "$OPENSLX_TMP_DISK_FLAG" ]; then
+	warn "'$OPENSLX_TMP_DISK_FLAG' not found!"
+	warn "Systemd will manage $NEWROOT/tmp on its own."
+	# no partition for the future /tmp found, just
+	# let systemd manage it then (probably a tmpfs)
+	return 1
+fi
+
+# in /tmp/openslx.disk.tmp is the name of the device
+# to mount as /tmp in the real system
+# meaning we need to mount it to /sysroot/tmp here.
+
+OPENSLX_TMP_DISK_DEV="$(cat $OPENSLX_TMP_DISK_FLAG)"
+
+# sanity check: is the content a block device?
+if [ ! -b "$OPENSLX_TMP_DISK_DEV" ]; then
+	warn "'$OPENSLX_TMP_DISK_DEV' appears not to be a block device!"
+	warn "Systemd will manage $NEWROOT/tmp on its own."
+	return 1
+fi
+
+# all good, keep on
+if ! mount -t auto "$OPENSLX_TMP_DISK_DEV" $NEWROOT/tmp; then
+	# something else went wrong :(
+	warn "Mounting '$OPENSLX_TMP_DISK_DEV' to '$NEWROOT/tmp' failed with: $!"
+	warn "Systemd will manage $NEWROOT/tmp on its own."
+	return 1
+fi
+
+# still here? mount worked wohoo
+# set permissions
+chmod a+rwxt $NEWROOT/tmp
+return 0
diff --git a/builder/dnbd3-rootfs/hooks/pre-udev/load-custom-kernel-modules.sh b/builder/dnbd3-rootfs/hooks/pre-udev/load-custom-kernel-modules.sh
new file mode 100755
index 00000000..29f9f210
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/pre-udev/load-custom-kernel-modules.sh
@@ -0,0 +1,32 @@
+# include dracut-lib.sh to use 'warn'
+command -v warn >/dev/null || . /lib/dracut-lib.sh
+
+NBD_MOD_PATH="/usr/lib/modules/current/extra/nbd.ko"
+DNBD3_MOD_PATH="/usr/lib/modules/current/extra/dnbd3.ko"
+
+# do we actually have our modules?
+if [ ! -e "${NBD_MOD_PATH}" ]; then
+	warn "No such file of directory: ${NBD_MOD_PATH}"
+	emergency_shell -n "Error in $0"
+	return 1
+fi
+if [ ! -e "${DNBD3_MOD_PATH}" ]; then
+	warn "No such file of directory: ${DNBD3_MOD_PATH}"
+	emergency_shell -n "Error in $0"
+	return 1
+fi
+
+# load the kernel modules for dnbd3 and nbd
+if ! insmod "${DNBD3_MOD_PATH}"; then
+	warn "Failed to load DNBD3 kernel module..."
+	emergency_shell -n "Error in $0"
+	return 1
+fi
+
+if ! insmod "${NBD_MOD_PATH}"; then
+	warn "Failed to load NBD kernel module..."
+	emergency_shell -n "Error in $0"
+	return 1
+fi
+
+return 0
diff --git a/builder/dnbd3-rootfs/hooks/pre-udev/setup-loopback-device.sh b/builder/dnbd3-rootfs/hooks/pre-udev/setup-loopback-device.sh
new file mode 100755
index 00000000..9103afd9
--- /dev/null
+++ b/builder/dnbd3-rootfs/hooks/pre-udev/setup-loopback-device.sh
@@ -0,0 +1 @@
+/sbin/initqueue --name ifup-lo --unique --onetime /sbin/ifup lo -m