Warn if rclone remote destination becomes too large

rclone_warn.sh

#!/bin/sh

CLOUDDEST="<remote destination>:/"
RCLONE_WARNING_SIZE_GB=500 # Replace as desired
RCLONE_ALERT_SIZE_GB=1000  # Replace as desired

echo "Checking Rclone remote size ($CLOUDDEST)"

rclone_size="$(rclone size --json $CLOUDDEST)"
rclone_size_bytes="$(echo $rclone_size | jq '.bytes')"
rclone_size_gbytes="$((rclone_size_bytes / 1024**3))"
echo "rclone size: $rclone_size_gbytes GB"
    
rclone_warning_size_message="WARNING: rclone size $rclone_size_gbytes GB > $RCLONE_WARNING_SIZE_GB"
rclone_alert_size_message="ALERT: rclone size $rclne_size_gbytes GB > $RCLONE_ALERT_SIZE_GB GB"

if [ $rclone_size_gbytes -ge $RCLONE_WARNING_SIZE_GB ]; then
  echo "$rclone_warning_size_message"
  # Place your warning command of choice here
  # For example, if using Unraid:
  # notify -i warning -s "rclone size" -d "$rclone_warning_size_message"
elif [ $rclone_size_gbytes -ge $RCLONE_ALERT_SIZE_GB ]; then
  echo "$rclone_alert_size_message"
  # Place your alert command of choice here
  # For example, if using Unraid:
  # notify -i alert -s "rclone size" -d "$rclone_alert_size_message"
fi