| #!/bin/bash |
| # |
| # To call this script, make sure make_ext4fs is somewhere in PATH |
| |
| function usage() { |
| cat<<EOT |
| Usage: |
| mkuserimg.sh [-s] SRC_DIR OUTPUT_FILE EXT_VARIANT MOUNT_POINT SIZE |
| [-T TIMESTAMP] [-C FS_CONFIG] [-B BLOCK_LIST_FILE] [FILE_CONTEXTS] |
| EOT |
| } |
| |
| ENABLE_SPARSE_IMAGE= |
| if [ "$1" = "-s" ]; then |
| ENABLE_SPARSE_IMAGE="-s" |
| shift |
| fi |
| |
| if [ $# -lt 5 ]; then |
| usage |
| exit 1 |
| fi |
| |
| SRC_DIR=$1 |
| if [ ! -d $SRC_DIR ]; then |
| echo "Can not find directory $SRC_DIR!" |
| exit 2 |
| fi |
| |
| OUTPUT_FILE=$2 |
| EXT_VARIANT=$3 |
| MOUNT_POINT=$4 |
| SIZE=$5 |
| shift; shift; shift; shift; shift |
| |
| TIMESTAMP=-1 |
| if [[ "$1" == "-T" ]]; then |
| TIMESTAMP=$2 |
| shift; shift |
| fi |
| |
| FS_CONFIG= |
| if [[ "$1" == "-C" ]]; then |
| FS_CONFIG=$2 |
| shift; shift |
| fi |
| |
| BLOCK_LIST= |
| if [[ "$1" == "-B" ]]; then |
| BLOCK_LIST=$2 |
| shift; shift |
| fi |
| |
| FC=$1 |
| |
| case $EXT_VARIANT in |
| ext4) ;; |
| *) echo "Only ext4 is supported!"; exit 3 ;; |
| esac |
| |
| if [ -z $MOUNT_POINT ]; then |
| echo "Mount point is required" |
| exit 2 |
| fi |
| |
| if [ -z $SIZE ]; then |
| echo "Need size of filesystem" |
| exit 2 |
| fi |
| |
| OPT="" |
| if [ -n "$FC" ]; then |
| OPT="$OPT -S $FC" |
| fi |
| if [ -n "$FS_CONFIG" ]; then |
| OPT="$OPT -C $FS_CONFIG" |
| fi |
| if [ -n "$BLOCK_LIST" ]; then |
| OPT="$OPT -B $BLOCK_LIST" |
| fi |
| |
| MAKE_EXT4FS_CMD="make_ext4fs $ENABLE_SPARSE_IMAGE -T $TIMESTAMP $OPT -l $SIZE -a $MOUNT_POINT $OUTPUT_FILE $SRC_DIR" |
| echo $MAKE_EXT4FS_CMD |
| vmstat 1 & |
| statpid=$! |
| $MAKE_EXT4FS_CMD |
| if [ $? -ne 0 ]; then |
| echo "Ext image generation failed 1st time" |
| ps aux |
| lsof |
| ls -Rl $SRC_DIR |
| echo "Image generation retry. 2nd time" |
| sleep 1m |
| echo $MAKE_EXT4FS_CMD |
| $MAKE_EXT4FS_CMD |
| |
| if [ $? -ne 0 ]; then |
| echo "Ext image generation failed 2nd time" |
| ps aux |
| echo "Image generation retry. 3rd time" |
| sleep 3m |
| echo $MAKE_EXT4FS_CMD |
| $MAKE_EXT4FS_CMD |
| |
| if [ $? -ne 0 ]; then |
| kill $statpid |
| exit 4 |
| fi |
| fi |
| fi |
| kill $statpid |
| |