124 lines
3.6 KiB
Bash
Executable File
124 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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set -e
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SCRIPTNAME=$(basename $0)
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SCRIPT_HOME=$(dirname $0)
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if [ -d $SCRIPT_HOME/../share/diskimage-builder ]
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then
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export _PREFIX=$SCRIPT_HOME/../share/diskimage-builder
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else
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export _PREFIX=$SCRIPT_HOME/..
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fi
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export _LIB=$_PREFIX/lib
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source $_LIB/die
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function show_options () {
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echo "Usage: $SCRIPTNAME -i <image> [-d <outdir>] [-o <prefix]"
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echo
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echo "Options:"
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echo " -i filename -- extract kernel + ramdisk from this file"
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echo " -d dir -- save files in \$dir; defaults to /tmp"
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echo " -o prefix -- set the prefix of the output files; defaults to 'baremetal'"
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echo " eg, baremetal-vmlinuz and baremetal-initrd"
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echo " -x -- turn on tracing"
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echo " -h -- print this message"
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exit 0
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}
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echo 'DEPRECATED: Please consider using the `baremetal` element.'
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echo
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TEMP=`getopt -o hd:i:o:x -n $SCRIPTNAME -- "$@"`
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if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
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# Note the quotes around `$TEMP': they are essential!
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eval set -- "$TEMP"
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export OUT_DIR=/tmp
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export OUT_PFX=baremetal
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while true ; do
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case "$1" in
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-d) export OUT_DIR=$2; shift 2 ;;
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-i) export IMAGE_FILE=$2; shift 2 ;;
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-o) export OUT_PFX=$2; shift 2 ;;
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-h) show_options;;
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-x) shift; set -x;;
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--) shift ; break ;;
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*) echo "Internal error!" ; exit 1 ;;
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esac
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done
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if [[ ! -n "$IMAGE_FILE" ]]; then
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die "You must specify an image to read from with -i \$filename"
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elif [[ ! -r "$IMAGE_FILE" ]]; then
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die "Image file $IMAGE_FILE is not readable"
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fi
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source $_LIB/img-defaults
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source $_LIB/common-functions
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source $_LIB/img-functions
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echo "Extracting kernel + ramdisk from $IMAGE_FILE to $OUT_PFX-vmlinuz and $OUT_PFX-initrd in $OUT_DIR"
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ensure_nbd
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# sets WORK_DIR
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mount_qcow_image $IMAGE_FILE
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# Dig up the initrd and kernel to use.
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BOOTDIR="$WORK_DIR/boot"
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KERNEL=
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RAMDISK=
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if [ -f $WORK_DIR/etc/redhat-release ]; then
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# Prioritize PAE if present
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KERNEL=$(ls -1rv $BOOTDIR/vmlinuz* | grep PAE | grep -v debug | head -1)
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if [ ! $KERNEL ]; then
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KERNEL=$(ls -1rv $BOOTDIR/vmlinuz* | grep -v debug | head -1)
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if [ ! $KERNEL ]; then
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echo "No suitable kernel found."
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exit 1
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fi
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fi
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KERNEL=$(basename $KERNEL)
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KERNEL_VERSION=`echo $KERNEL | sed 's/vmlinuz-//g'`
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RAMDISK=$(basename `ls $BOOTDIR/initramfs-$KERNEL_VERSION.img`)
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if [ ! $RAMDISK ]; then
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echo "Can't find an initramfs for the $KERNEL_VERSION version of the kernel."
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exit 1
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fi
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elif [ -f $WORK_DIR/etc/debian_version ]; then
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KERNEL=$(basename `ls -1rv $BOOTDIR/vmlinuz*generic | head -1`)
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RAMDISK=$(basename `ls -1rv $BOOTDIR/initrd*generic | head -1`)
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else
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echo "ERROR: Unable to detect operating system"
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exit 1
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fi
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sudo cp $BOOTDIR/$KERNEL $OUT_DIR/$OUT_PFX-vmlinuz
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sudo cp $BOOTDIR/$RAMDISK $OUT_DIR/$OUT_PFX-initrd
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sudo chmod a+r $OUT_DIR/$OUT_PFX-vmlinuz
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sudo chmod a+r $OUT_DIR/$OUT_PFX-initrd
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unmount_qcow_image
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