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Improve card ID handling 🐒

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This commit is contained in:
Dmitri Popov
2018-01-08 18:46:38 +01:00
parent 091ae136ac
commit e409e19bc8
1 changed files with 7 additions and 8 deletions
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15
backup.sh
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@@ -52,19 +52,18 @@ if [ ! -z $CARD_READER ]; then
mount /dev/$CARD_DEV $CARD_MOUNT_POINT mount /dev/$CARD_DEV $CARD_MOUNT_POINT
# # Set the ACT LED to blink at 500ms to indicate that the card has been mounted # # Set the ACT LED to blink at 500ms to indicate that the card has been mounted
sudo sh -c "echo 500 > /sys/class/leds/led0/delay_on" sudo sh -c "echo 500 > /sys/class/leds/led0/delay_on"
# Create the CARD_ID file containing a random 8-digit identifier if doesn't exist # Create a .id random identifier file if doesn't exist
if [ ! -f $CARD_MOUNT_POINT/CARD_ID ]; then if [ ! -f $CARD_MOUNT_POINT/*.id ]; then
< /dev/urandom tr -cd 0-9 | head -c 8 > $CARD_MOUNT_POINT/CARD_ID ID=$RANDOM
touch $ID."id"
fi fi
# Set the backup path
BACKUP_PATH=$STORAGE_MOUNT_POINT/"$ID"
# Log the output of the lsblk command for troubleshooting # Log the output of the lsblk command for troubleshooting
sudo lsblk > lsblk.log sudo lsblk > lsblk.log
# Read the 8-digit identifier number from the CARD_ID file on the card
# and use it as a directory name in the backup path
read -r ID < $CARD_MOUNT_POINT/CARD_ID
BACKUP_PATH=$STORAGE_MOUNT_POINT/"$ID"
# Perform backup using rsync # Perform backup using rsync
rsync -avh $CARD_MOUNT_POINT/ $BACKUP_PATH rsync -avh $CARD_MOUNT_POINT/ $BACKUP_PATH
# Turn off the ACT LED to indicate that the backup is completed # Turn off the ACT LED to indicate that the backup is completed