Bash script to track Algorand Indexer progress via journalctl logs

track-indexer-progress.sh

#!/bin/bash

sleep_duration=10m

while true; do
        block=$(journalctl -u algorand-indexer -n 2 2> /dev/null | grep imported | grep -oE 'r=[0-9]+' | cut -d= -f2)
        if [ -z "$block" ]; then
                echo "no block"
                sleep $sleep_duration
                continue;
        fi
        epoch=$(date +%s)
        date=$(date --utc)
        if [ -z "$lastblock" ]; then
                diff=0
                speed=0
        else
                diff=$((block - lastblock))
                elapsed=$((epoch - lastepoch))
                speed=$((60 * diff / elapsed))
        fi
        echo "$epoch $date $block +$diff $speed/minute"
        lastblock=$block
        lastepoch=$epoch
        sleep $sleep_duration
done