Print Prometheus block's minTime and maxTime

get_block_time.sh

#!/bin/bash

# Given a Prometheus block name, prints timerange
# for the metrics stored inside.
#
# Usage example:
# for b in `cat block_names.txt`; do ./get_block_time.sh $b; done

TIMEZONE="EEST"
BLOCK_DIR="/srv/prometheus_data/$1"

min_time="$(cat ${BLOCK_DIR}/meta.json | jq '.minTime')"
max_time="$(cat ${BLOCK_DIR}/meta.json | jq '.maxTime')"

echo "--- $1 ---"
echo ";;; Min time:"
TZ=$TIMEZONE date -d @"${min_time%???}"
echo ";;; Max time:"
TZ=$TIMEZONE date -d @"${max_time%???}"
echo ""