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-rwxr-xr-xshare/hydra/bootless165
1 files changed, 127 insertions, 38 deletions
diff --git a/share/hydra/bootless b/share/hydra/bootless
index e49c396..8eb268a 100755
--- a/share/hydra/bootless
+++ b/share/hydra/bootless
@@ -76,16 +76,6 @@ EOF
usbdevice=`echo ${device} | sed -e s/[0-9]\$//g`
- # Target device consistency check
- if [ ! -b ${device} ]; then
- echo "Error: device \"${device}\" not found."
- exit 1
- fi
-
- if [ "`mount | grep ${device}`" != "" ]; then
- echo "Error: device \"${device}\" is mounted."
- fi
-
# Issue a warning
cat <<EOF
@@ -105,32 +95,9 @@ EOF
exit 1
fi
- # Target device consistency check
- if [ ! -b ${device} ]; then
- echo "Error: device \"${device}\" not found."
- exit 1
- fi
-
- # Remove old partitions
- for partition in `$sudo parted -s -- ${usbdevice} print | awk '/^ / {print $1}'`; do
- $sudo parted -s -- ${usbdevice} rm $partition
- done
+ hydra_bootless_device ${usbdevice} ${device}
- # Create a single partition
- $sudo parted -s -- ${usbdevice} mkpart primary ext2 2 -1
- $sudo parted -s -- ${usbdevice} set 1 boot on
-
- # Format and mount
- $sudo mke2fs ${device}
- if [ $? != 0 ]; then
- echo "Error: mke2fs failed in \"${device}\" (errno: $?)."
- exit 1
- fi
- $sudo tune2fs -c 0 -i 0 ${device}
- if [ $? != 0 ]; then
- echo "Error: tune2fs failed in \"${device}\" (errno: $?)."
- exit 1
- fi
+ # Mount
tmpdir=`mktemp -d`
$sudo mount ${device} ${tmpdir}
if [ $? != 0 ]; then
@@ -160,7 +127,12 @@ EOF
#quit" | grub --device-map=${devicemap} --batch
# Grub 2
- $sudo grub-install --root-directory=${tmpdir} ${usbdevice} --force
+ #$sudo grub-install --root-directory=${tmpdir} ${usbdevice} --force
+ $sudo grub-install --boot-directory=${tmpdir} ${usbdevice} --force
+ if [ $? != 0 ]; then
+ echo "Error: grub-install failed (errno: $?)."
+ exit 1
+ fi
# Finalize
#rm -f ${devicemap}
@@ -293,14 +265,128 @@ function hydra_bootless_git {
)
}
+# Create a target device
+# TODO: properly support $subdevice in parted
+function hydra_bootless_device {
+ local device="$1"
+ local subdevice="$2"
+
+ # Check if device is mounted
+ if [ "`mount | grep ${subdevice}`" != "" ]; then
+ echo "Error: device \"${subdevice}\" is mounted."
+ exit 1
+ fi
+
+ # Target device consistency check
+ if [ ! -b ${subdevice} ]; then
+ echo "Error: device \"${subdevice}\" not found."
+ exit 1
+ fi
+
+ # Remove old partitions
+ for partition in `$sudo parted -s -- ${device} print | awk '/^ / {print $1}'`; do
+ $sudo parted -s -- ${device} rm $partition
+ done
+
+ # Create a single partition
+ $sudo parted -s -- ${device} mkpart primary ext2 2 -1
+ $sudo parted -s -- ${device} set 1 boot on
+
+ # Create filesystem
+ $sudo mke2fs ${subdevice}
+ if [ $? != 0 ]; then
+ echo "Error: mke2fs failed in \"${subdevice}\" (errno: $?)."
+ exit 1
+ fi
+
+ # Tune
+ $sudo tune2fs -c 0 -i 0 ${subdevice}
+ if [ $? != 0 ]; then
+ echo "Error: tune2fs failed in \"${subdevice}\" (errno: $?)."
+ exit 1
+ fi
+}
+
+# Generate a bootless disk image
+function hydra_bootless_image {
+ local output="$1"
+ local size="$2"
+
+ if [ -z "$output" ]; then
+ output="bootless.img"
+ fi
+
+ if [ -z "$size" ]; then
+ # TODO: calculate minimum size. Hint:
+ # du --exclude='.git' -hs ${BOOTLESS_DIR}
+ size="200"
+ fi
+
+ # Set folder
+ hydra_bootless_folder
+
+ # Set sudo config
+ local sudo
+ if [ "`whoami`" != 'root' ]; then
+ sudo="sudo"
+ fi
+
+ echo "Creating an empty image..."
+ dd if=/dev/zero of=$output bs=1M count=$size
+
+ echo "Partitioning image..."
+ parted -s -- ${output} mklabel msdos
+ parted -s -- ${output} mkpart primary ext2 2 -1
+ parted -s -- ${output} set 1 boot on
+
+ echo "Creating device mappings..."
+ tmpdir=`mktemp -d`
+ mapping="`$sudo kpartx -av ${output}`"
+ if [ "$?" != "0" ]; then
+ echo "Error: failed to create device mapping for \"${output}\" (errno: $?)."
+ exit 1
+ fi
+
+ # Set devices
+ device="`echo $mapping | head | awk '{ print $8 }'`"
+ subdevice="/dev/mapper/`echo $mapping | head | awk '{ print $3 }'`"
+
+ # Create filesystem
+ $sudo mke2fs ${subdevice}
+
+ # Mount
+ $sudo mount ${subdevice} ${tmpdir}
+ if [ $? != 0 ]; then
+ echo "Error: failed to mount \"${subdevice}\" filesystem in \"${tmpdir}\" (errno: $?)."
+ exit 1
+ fi
+
+ # Copy data
+ $sudo rsync -Cav ${BOOTLESS_DIR}/ ${tmpdir}/boot/
+
+ # Install grub
+ #$sudo grub-install --root-directory=${tmpdir} ${device} --force
+ $sudo grub-install --boot-directory=${tmpdir} ${device} --force
+ if [ $? != 0 ]; then
+ echo "Error: grub-install failed (errno: $?)."
+ exit 1
+ fi
+
+ # Finalize
+ $sudo umount ${tmpdir}
+ $sudo kpartx -dv ${output}
+ $sudo rm -rf ${tmpdir}
+ echo "Image saved at ${output}"
+}
+
# Usage
function hydra_bootless_usage {
echo "Usage: `basename $0` <action> [arguments]"
exit 1
}
-# Check for requirements.
-for req in parted; do
+# Check for requirements
+for req in parted kpartx; do
hydra_install_package $req
done
@@ -322,6 +408,9 @@ elif [ "$1" == "update" ]; then
elif [ "$1" == "git" ]; then
shift
hydra_bootless_git $*
+elif [ "$1" == "image" ]; then
+ shift
+ hydra_bootless_image $*
else
hydra_bootless_usage
fi