new backupscripts
This commit is contained in:
Karl Hudgell
parent
f64b9cffa3
commit
68ed344892
25
BackupScript/sysmatt.rpi.backup.gtar
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25
BackupScript/sysmatt.rpi.backup.gtar
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#!/bin/bash
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# 20140804-1708 Matthew E Hoskins / Twitter: @sysmatt (c) GNU GPL
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set -x # debugging
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bomb () {
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echo "BOMB: ${1}"
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exit 1
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}
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# Default destination directory
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DSTDIR=/home/pi/ServerBackups/DeskPi
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DEFAULT_DFILE="${DSTDIR}/pi.`uname -n`.`date +%Y%m%d%H%M%S`.backup.tar.gz"
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# If we get a filename on the command line, use it instead of the default.
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DFILE="${1:-$DEFAULT_DFILE}"
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DEST_DIR_SANITY=`dirname "${DFILE}"`
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# Make sure the destination exists
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[ -d "${DEST_DIR_SANITY}" ] || bomb "Destination directory ${DEST_DIR_SANITY} does not exist"
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# Run the tar archive
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tar --exclude="${DFILE}" --one-file-system -cvzf "${DFILE}" / /boot
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echo "Created archive: ${DFILE}"
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128
BackupScript/sysmatt.rpi.restore.sd.card
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128
BackupScript/sysmatt.rpi.restore.sd.card
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#!/bin/bash
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# 20140804-1708 Matthew E Hoskins / Twitter: @sysmatt (c) GNU GPL
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SDCARD_DEVICE="${1:?You must specify one SD CARD DEVICE to destroy}"
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PI_BACKUP_SLASH="${2:?You must specify one PI BACKUP SLASH GTAR file}"
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shift; shift;
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# Any remaining args are added to TAR command line
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# Extra operations which can be done in ENV Vars
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# PI_OVERWRITE_ETC_HOSTNAME="new-hostname"
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# PI_OPENVPN_CONFIG_FILE="/some/source/client.conf"
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# Temp random mountpoint under /tmp
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MOUNTPOINT="/tmp/pi.sd.${RANDOM}${$}"
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bomb (){
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echo "BOMB: ${1}"
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exit 1
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}
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[ -x "/sbin/mkfs.vfat" ] || bomb "/sbin/mkfs.vfat Missing"
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echo ""
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echo "=== ${SDCARD_DEVICE} Current Partition Table - To be destroyed! ==="
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parted --script ${SDCARD_DEVICE} "print"
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echo ""
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read -p "PRESS ENTER to DESTROY ${SDCARD_DEVICE}, Press CTRL-c to abort"
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parted --script "${SDCARD_DEVICE}" "mklabel msdos"
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parted --script "${SDCARD_DEVICE}" "mkpart primary fat16 1MiB 64MB"
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parted --script "${SDCARD_DEVICE}" "mkpart primary ext4 64MB -1s"
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parted --script "${SDCARD_DEVICE}" print
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mkfs.vfat "${SDCARD_DEVICE}1"
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mkfs.ext4 -F -j "${SDCARD_DEVICE}2"
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mkdir -p "${MOUNTPOINT}"
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mount "${SDCARD_DEVICE}2" "${MOUNTPOINT}"
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mkdir -p "${MOUNTPOINT}/boot"
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mount "${SDCARD_DEVICE}1" "${MOUNTPOINT}/boot"
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df -h "${MOUNTPOINT}"
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df -h "${MOUNTPOINT}/boot"
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read -p "Press ENTER To begin image restore"
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tar $@ -xvzf "${PI_BACKUP_SLASH}" -C "${MOUNTPOINT}"
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# Begin NOOBS fixup / Recommended by @KevinSidwar / 20140829-1744-MEH
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ORIG_SLASHDEV_FOUND=`cat "${MOUNTPOINT}/etc/fstab"| grep " / " |grep -v "^#" |awk '{ print $1; }'`
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ORIG_BOOTDEV_FOUND=`cat "${MOUNTPOINT}/etc/fstab"| grep " /boot " |grep -v "^#" |awk '{ print $1; }'`
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# Hardcoded
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NEW_SLASHDEV="/dev/mmcblk0p2"
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NEW_BOOTDEV="/dev/mmcblk0p1"
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# Defaults just in case the above search of fstab is a miss
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ORIG_SLASHDEV="${ORIG_SLASHDEV_FOUND:-$NEW_SLASHDEV}"
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ORIG_BOOTDEV="${ORIG_BOOTDEV_FOUND:-$NEW_BOOTDEV}"
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echo "ORIG_SLASHDEV[${ORIG_SLASHDEV}] NEW_SLASHDEV[${NEW_SLASHDEV}] ORIG_BOOTDEV[${ORIG_BOOTDEV}] NEW_BOOTDEV[${NEW_BOOTDEV}]"
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FILE_FSTAB="${MOUNTPOINT}/etc/fstab"
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FILE_CMDLINE="${MOUNTPOINT}/boot/cmdline.txt"
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FILE_OS_CONFIG_JSON="${MOUNTPOINT}/boot/os_config.json"
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if [ "${ORIG_SLASHDEV}" != "${NEW_SLASHDEV}" -o "${ORIG_BOOTDEV}" != "${NEW_BOOTDEV}" ]
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then
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echo "CONFIGURATION CONVERSION NECESSARY - Devices do not match, modifying files. "
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THISFILE="${FILE_FSTAB}"
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if [ -e "${THISFILE}" ]
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then
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echo "Fixing ${THISFILE}"
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cp -f "${THISFILE}" "${THISFILE}.old"
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cat "${THISFILE}.old" |sed -e "s#${ORIG_SLASHDEV}#%NEW_SLASHDEV%# ; s#${ORIG_BOOTDEV}#%NEW_BOOTDEV%#" > "${THISFILE}.i"
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cat "${THISFILE}.i" |sed -e "s#%NEW_SLASHDEV%#${NEW_SLASHDEV}# ; s#%NEW_BOOTDEV%#${NEW_BOOTDEV}#" >"${THISFILE}"
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rm -f "${THISFILE}.i"
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fi
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THISFILE="${FILE_CMDLINE}"
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if [ -e "${THISFILE}" ]
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then
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echo "Fixing ${THISFILE}"
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cp -f "${THISFILE}" "${THISFILE}.old"
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cat "${THISFILE}.old" |sed -e "s#${ORIG_SLASHDEV}#%NEW_SLASHDEV%# ; s#${ORIG_BOOTDEV}#%NEW_BOOTDEV%#" > "${THISFILE}.i"
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cat "${THISFILE}.i" |sed -e "s#%NEW_SLASHDEV%#${NEW_SLASHDEV}# ; s#%NEW_BOOTDEV%#${NEW_BOOTDEV}#" >"${THISFILE}"
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rm -f "${THISFILE}.i"
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fi
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THISFILE="${FILE_OS_CONFIG_JSON}"
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if [ -e "${THISFILE}" ]
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then
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echo "Fixing ${THISFILE}"
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cp -f "${THISFILE}" "${THISFILE}.old"
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cat "${THISFILE}.old" |sed -e "s#${ORIG_SLASHDEV}#%NEW_SLASHDEV%# ; s#${ORIG_BOOTDEV}#%NEW_BOOTDEV%#" > "${THISFILE}.i"
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cat "${THISFILE}.i" |sed -e "s#%NEW_SLASHDEV%#${NEW_SLASHDEV}# ; s#%NEW_BOOTDEV%#${NEW_BOOTDEV}#" >"${THISFILE}"
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rm -f "${THISFILE}.i"
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fi
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fi
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# End Noobs fixup
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if [ -n "${PI_OVERWRITE_ETC_HOSTNAME}" ]
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then
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# Write a new /etc/hostname
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echo "Writing new /etc/hostname with [${PI_OVERWRITE_ETC_HOSTNAME}] to ${MOUNTPOINT}/etc/hostname"
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echo "${PI_OVERWRITE_ETC_HOSTNAME}" > "${MOUNTPOINT}/etc/hostname"
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fi
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if [ -e "${PI_OPENVPN_CONFIG_FILE}" ]
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then
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echo "Writing OpenVPN config [${PI_OPENVPN_CONFIG_FILE}] to ${MOUNTPOINT}/etc/openvpn/"
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rm -f ${MOUNTPOINT}/etc/openvpn/*.conf
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cp -f "${PI_OPENVPN_CONFIG_FILE}" "${MOUNTPOINT}/etc/openvpn/"
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fi
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echo ""
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echo ""
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echo =DONE=
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echo "The SD is mounted at: ${MOUNTPOINT}"
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echo "Now would be a good time to make modifications in another shell session..."
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read -p "Press ENTER To unmount or CTRL-c to exit leaving mounted."
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echo ""
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echo "Working. This may take a moment..."
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echo ""
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set -x
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umount "${MOUNTPOINT}/boot"
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umount "${MOUNTPOINT}"
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