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92 lines
3.3 KiB
Bash
Executable File
92 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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#
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# This software is licensed under the GNU General Public License v3 or later.
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#
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# It is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Copies keys that enable SSH communication with system vms
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# $1 = new public key
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# $2 = new private key
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#set -x
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TMP=${HOME}/tmp
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MOUNTPATH=/mnt/cloud/systemvm
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TMPDIR=${TMP}/cloud/systemvm
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clean_up() {
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sudo umount $MOUNTPATH
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}
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inject_into_iso() {
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local isofile=${systemvmpath}
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local newpubkey=$2
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local backup=${isofile}.bak
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local tmpiso=${TMP}/$1
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[ ! -f $isofile ] && echo "$(basename $0): Could not find systemvm iso patch file $isofile" && return 1
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sudo mount -o loop $isofile $MOUNTPATH
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[ $? -ne 0 ] && echo "$(basename $0): Failed to mount original iso $isofile" && clean_up && return 1
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diff -q $MOUNTPATH/authorized_keys $newpubkey &> /dev/null && clean_up && return 0
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sudo cp -b $isofile $backup
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[ $? -ne 0 ] && echo "$(basename $0): Failed to backup original iso $isofile" && clean_up && return 1
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rm -rf $TMPDIR
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mkdir -p $TMPDIR
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[ ! -d $TMPDIR ] && echo "$(basename $0): Could not find/create temporary dir $TMPDIR" && clean_up && return 1
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sudo cp -fr $MOUNTPATH/* $TMPDIR/
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[ $? -ne 0 ] && echo "$(basename $0): Failed to copy from original iso $isofile" && clean_up && return 1
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sudo cp $newpubkey $TMPDIR/authorized_keys
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[ $? -ne 0 ] && echo "$(basename $0): Failed to copy key $newpubkey from original iso to new iso " && clean_up && return 1
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mkisofs -quiet -r -o $tmpiso $TMPDIR
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[ $? -ne 0 ] && echo "$(basename $0): Failed to create new iso $tmpiso from $TMPDIR" && clean_up && return 1
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sudo umount $MOUNTPATH
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[ $? -ne 0 ] && echo "$(basename $0): Failed to unmount old iso from $MOUNTPATH" && return 1
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sudo cp -f $tmpiso $isofile
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[ $? -ne 0 ] && echo "$(basename $0): Failed to overwrite old iso $isofile with $tmpiso" && return 1
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rm -rf $TMPDIR
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}
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copy_priv_key() {
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local newprivkey=$1
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diff -q $newprivkey $(dirname $0)/id_rsa.cloud && return 0
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sudo cp -fb $newprivkey $(dirname $0)/id_rsa.cloud
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sudo chmod 644 $(dirname $0)/id_rsa.cloud
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return $?
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}
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sudo mkdir -p $MOUNTPATH
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[ $# -ne 3 ] && echo "Usage: $(basename $0) <new public key file> <new private key file> <systemvm iso path>" && exit 3
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newpubkey=$1
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newprivkey=$2
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systemvmpath=$3
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[ ! -f $newpubkey ] && echo "$(basename $0): Could not open $newpubkey" && exit 3
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[ ! -f $newprivkey ] && echo "$(basename $0): Could not open $newprivkey" && exit 3
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command -v mkisofs > /dev/null || (echo "$(basename $0): mkisofs not found, please install or ensure PATH is accurate" ; exit 4)
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inject_into_iso systemvm.iso $newpubkey
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#inject_into_iso systemvm-premium.iso $newpubkey
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[ $? -ne 0 ] && exit 5
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copy_priv_key $newprivkey
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exit $?
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