Recover iso-image-create script
This script was removed from IPA with CoreOS support, but it seems to be quite generic. Recover and document it. Change-Id: I014ada4509e60541bf12ef2bce9915afd8858d54
This commit is contained in:
Dmitry Tantsur
Mark Goddard
parent
d768c3becd
commit
6a07f96f2f
@ -68,6 +68,20 @@ To use a specific branch of ironic-python-agent, use:
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export DIB_REPOREF_ironic_python_agent=origin/stable/queens
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export DIB_REPOREF_ironic_python_agent=origin/stable/queens
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ISO Images
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~~~~~~~~~~
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Additionally, the IPA ramdisk can be packaged inside of an ISO for use with
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some virtual media drivers. Use the ``iso-image-create`` utility, passing it
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the initrd and the kernel, for example:
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.. code-block:: console
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./tools/iso-image-create -o /path/to/output.iso -i /path/to/ipa.initrd -k /path/to/ipa.kernel
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This is a generic tool that can be used to combine any initrd and kernel into
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a suitable ISO for booting, and so should work against any IPA ramdisk.
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Advanced options
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Advanced options
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----------------
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----------------
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168
tools/iso-image-create
Executable file
168
tools/iso-image-create
Executable file
@ -0,0 +1,168 @@
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#!/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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#
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# This script generates iso image from the given kernel and ramdisk
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SCRIPTNAME=`basename $0`
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TMP_BUILD_DIR="/tmp/$SCRIPTNAME.$$"
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QEMU_IMG="/usr/bin/qemu-img"
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MKISOFS="/usr/bin/mkisofs"
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function show_options() {
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echo "Usage: ${SCRIPTNAME} [options]"
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echo
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echo "Options:"
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echo " -o output filename "
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echo " -i initrd "
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echo " -k kernel "
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}
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function cleanup() {
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v_print "Cleaning up.."
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rm -rf $TMP_BUILD_DIR
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}
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function err_print() {
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echo "ERROR: $@" 1>&2;
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}
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function v_print() {
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echo "$*"
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}
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# Parse command line options
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ARGS=`getopt -o "o:i:k:" -l "output,initrd,kernel:" \
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-n "$SCRIPTNAME" -- "$@"`
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if [ $? -ne 0 ];
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then
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exit 1
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fi
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eval set -- "$ARGS"
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while true ; do
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case "$1" in
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-o) OUTPUT_FILENAME=$2; shift 2 ;;
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-i) INITRD=$2; shift 2 ;;
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-k) KERNEL=$2; shift 2 ;;
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# *) show_options ; exit 1 ;;
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--) shift; break ;;
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esac
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done
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# Verify whether kernel, initrd, and the image file is present
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if [ -z "$OUTPUT_FILENAME" ]; then
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err_print "Output filename not provided."
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show_options
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exit 1
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fi
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if [ -z "$INITRD" ]; then
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err_print "Initrd not provided."
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show_options
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exit 1
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fi
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if [ -z "$KERNEL" ]; then
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err_print "Kernel not provided."
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show_options
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exit 1
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fi
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# Create a temporary build directory for holiding the contents of iso
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TMP_IMAGE_DIR="$TMP_BUILD_DIR/image"
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v_print "Creating temporary directory $TMP_IMAGE_DIR"
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mkdir -p "$TMP_IMAGE_DIR"
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# Copy isolinux bin to the isolinux directory
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mkdir -p "$TMP_IMAGE_DIR/isolinux"
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v_print "Copying isolinux.bin"
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if [ -f /usr/share/syslinux/isolinux.bin ]
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then
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cp /usr/share/syslinux/isolinux.bin "$TMP_IMAGE_DIR/isolinux"
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elif [ -f /usr/lib/syslinux/isolinux.bin ]
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then
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cp /usr/lib/syslinux/isolinux.bin "$TMP_IMAGE_DIR/isolinux"
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elif [ -f /usr/lib/ISOLINUX/isolinux.bin ]
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then
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cp /usr/lib/ISOLINUX/isolinux.bin "$TMP_IMAGE_DIR/isolinux"
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else
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err_print "Could not find isolinux.bin. Install syslinux or isolinux?"
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cleanup
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exit 1
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fi
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# Copy ldlinux.c32 to the isolinux directory
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v_print "Copying ldlinux.c32"
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if [ -f /usr/share/syslinux/ldlinux.c32 ]
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then
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cp /usr/share/syslinux/ldlinux.c32 "$TMP_IMAGE_DIR/isolinux"
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elif [ -f /usr/lib/syslinux/modules/bios/ldlinux.c32 ]
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then
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cp /usr/lib/syslinux/modules/bios/ldlinux.c32 "$TMP_IMAGE_DIR/isolinux"
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fi
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# Copy initrd, kernel
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v_print "Copying kernel to $TMP_IMAGE_DIR/vmlinuz"
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cp $KERNEL "$TMP_IMAGE_DIR/vmlinuz"
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if [ $? -ne 0 ]; then
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err_print "Failed to copy $KERNEL to $TMP_IMAGE_DIR"
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cleanup
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exit 1
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fi
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v_print "Copying initrd to $TMP_IMAGE_DIR/initrd"
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cp $INITRD "$TMP_IMAGE_DIR/initrd"
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if [ $? -ne 0 ]; then
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err_print "Failed to copy $INITRD to $TMP_IMAGE_DIR"
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cleanup
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exit 1
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fi
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# Generate isolinux.cfg for default booting
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v_print "Generating isolinux.cfg"
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echo "\
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DEFAULT install
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LABEL install
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menu label "Install image"
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kernel /vmlinuz
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append initrd=/initrd boot_method=vmedia --
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TIMEOUT 5
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PROMPT 0 " > "$TMP_IMAGE_DIR/isolinux/isolinux.cfg"
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# Convert relative path output filename to absolute path
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echo $OUTPUT_FILENAME | grep -q '^/'
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if [ $? -ne 0 ]; then
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OUTPUT_FILENAME="$PWD/$OUTPUT_FILENAME"
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fi
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# Create the ISO
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v_print "Generating the ISO"
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cd $TMP_IMAGE_DIR && $MKISOFS -r -V "INSTALL_IMAGE" -cache-inodes -J -l -b isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table -o $OUTPUT_FILENAME .
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# Cleanup
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cleanup
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