Grafana

#!/bin/sh # Prometheus entrypoint script to backfill recording rules and start Prometheus set -e echo "Starting Prometheus entrypoint script..." backfill() { # Calculate time range for backfilling (5 hours ago from now) # Get current time in seconds since epoch CURRENT_TIME=$(date -u +%s) # Subtract 5 hours (5 * 60 * 60 = 18000 seconds) START_TIME=$((CURRENT_TIME - 18000)) # wait until Prometheus is up and running until wget http://localhost:9090/-/healthy -q -O /dev/null; do sleep 1 done promtool tsdb create-blocks-from \ rules \ --url=http://localhost:9090 \ --start="${START_TIME}" \ --end="${CURRENT_TIME}" \ --eval-interval=30s \ /etc/prometheus/prometheus-seed.yml } # Start Prometheus with the regular configuration, this is needed for backfilling /bin/prometheus \ --config.file=/etc/prometheus/prometheus.yml & backfill # Restarting Prometheus after backfilling will allow to load the new blocks directly # without having to wait for the next compaction cycle kill %1 echo "Starting Prometheus server..." # Start Prometheus with the regular configuration /bin/prometheus \ --config.file=/etc/prometheus/prometheus.yml