122 lines
3.2 KiB
Bash
Executable file
122 lines
3.2 KiB
Bash
Executable file
#!/bin/bash
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# Stolen from https://github.com/raamsri/automount-usb/blob/master/usb-mount.sh
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# This work is licensed under the Unlicense
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# This script is based on https://serverfault.com/a/767079 posted
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# by Mike Blackwell, modified to our needs. Credits to the author.
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# This script is called from systemd unit file to mount or unmount
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# a USB drive.
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PATH="$PATH:/usr/bin:/usr/local/bin:/usr/sbin:/usr/local/sbin:/bin:/sbin"
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log="echo "
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usage()
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{
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${log} "Usage: $0 device_path (e.g. /dev/sdb1)"
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exit 1
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}
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if [[ $# -ne 1 ]]; then
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usage
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fi
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DEVICE=$1
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DEVBASE=$(echo "${DEVICE}" | cut -d'/' -f 3)
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SOURCE="/home/pi/data/" # source of files
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# See if this drive is already mounted, and if so where
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MOUNT_POINT=$(mount | grep "${DEVICE}" | awk '{ print $3 }')
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DEV_LABEL=""
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do_mount()
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{
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if [[ -n ${MOUNT_POINT} ]]; then
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${log} "Warning: ${DEVICE} is already mounted at ${MOUNT_POINT}"
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exit 2
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fi
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# Get info for this drive: $ID_FS_LABEL and $ID_FS_TYPE
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eval '$(blkid -o udev "${DEVICE}" | grep -i -e "ID_FS_LABEL" -e "ID_FS_TYPE")'
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# Figure out a mount point to use
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LABEL=${ID_FS_LABEL}
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if grep -q " /media/${LABEL} " /etc/mtab; then
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# Already in use, make a unique one
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LABEL+="-${DEVBASE}"
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fi
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DEV_LABEL="${LABEL}"
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# Use the device name in case the drive doesn't have label
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if [ -z "${DEV_LABEL}" ]; then
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DEV_LABEL="${DEVBASE}"
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fi
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MOUNT_POINT="/media/${DEV_LABEL}"
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${log} "Mount point: ${MOUNT_POINT}"
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mkdir -p "${MOUNT_POINT}"
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# Global mount options
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OPTS="rw,relatime"
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# File system type specific mount options
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if [[ ${ID_FS_TYPE} == "vfat" ]]; then
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OPTS+=",users,gid=100,umask=000,shortname=mixed,utf8=1,flush"
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fi
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if ! mount -o ${OPTS} "${DEVICE}" "${MOUNT_POINT}"; then
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${log} "Error mounting ${DEVICE} (status = $?)"
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rmdir "${MOUNT_POINT}"
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exit 3
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else
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# Track the mounted drives
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echo "${MOUNT_POINT}:${DEVBASE}" | cat >> "/var/log/usb-mount.track"
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fi
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${log} "Mounted ${DEVICE} at ${MOUNT_POINT}"
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}
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do_unmount()
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{
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if [[ -z ${MOUNT_POINT} ]]; then
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${log} "Warning: ${DEVICE} is not mounted"
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else
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umount -l "${DEVICE}"
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${log} "Unmounted ${DEVICE} from ${MOUNT_POINT}"
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/bin/rmdir "${MOUNT_POINT}"
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sed -i.bak "\@${MOUNT_POINT}@d" /var/log/usb-mount.track
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fi
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}
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do_backup()
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{
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do_mount
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if [[ -z ${MOUNT_POINT} ]]; then
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${log} "Warning: ${DEVICE} is not mounted"
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else
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${log} "Starting to backup the local files"
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MACHINE=$(python3 -c "import planktoscope.uuidName as uuidName; print(uuidName.machineName(machine=uuidName.getSerial()).replace(' ','_'))")
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BACKUP_FOLDER="${MOUNT_POINT}/planktoscope_data/${MACHINE}"
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${log} "Machine name is ${MACHINE}, backup folder is ${BACKUP_FOLDER}"
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mkdir -p "$BACKUP_FOLDER"
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rsync -rtD --modify-window=1 --update "$SOURCE" "$BACKUP_FOLDER"
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if ! python3 -m planktoscope.integrity -c "$BACKUP_FOLDER"; then
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${log} "ERROR: Some files were corrupted during the copy!"
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do_unmount
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exit 4
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else
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${log} "All files copied successfully!"
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fi
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do_unmount
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fi
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}
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do_backup
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