Medical GraphRAG Assistant

#!/bin/bash # # Stop NIM EC2 instance to save money. # # This script: # 1. Stops the running EC2 instance # 2. Waits for it to be stopped # 3. Shows cost savings # # Savings: ~$24/day when stopped (g5.xlarge) # # Usage: # ./scripts/aws/stop-nim-ec2.sh set -e # Exit on error # Configuration INSTANCE_ID="${INSTANCE_ID:-i-xxxxxxxxxxxx}" # UPDATE or set INSTANCE_ID env var if [ "$INSTANCE_ID" = "i-xxxxxxxxxxxx" ]; then echo "❌ Error: INSTANCE_ID not set" echo "" echo "Set INSTANCE_ID environment variable:" echo " export INSTANCE_ID='i-xxxxxxxxxxxx'" echo "" echo "Or update scripts/aws/stop-nim-ec2.sh with your instance ID" exit 1 fi echo "========================================" echo "Stopping NIM EC2 Instance" echo "========================================" echo "" echo "Instance ID: $INSTANCE_ID" echo "" # Check current state CURRENT_STATE=$(aws ec2 describe-instances \ --instance-ids "$INSTANCE_ID" \ --query 'Reservations[0].Instances[0].State.Name' \ --output text) echo "Current state: $CURRENT_STATE" if [ "$CURRENT_STATE" = "stopped" ]; then echo "✅ Instance already stopped!" elif [ "$CURRENT_STATE" = "running" ]; then echo "" echo "Stopping instance..." aws ec2 stop-instances --instance-ids "$INSTANCE_ID" echo "Waiting for instance to stop..." aws ec2 wait instance-stopped --instance-ids "$INSTANCE_ID" echo "✅ Instance stopped!" else echo "⚠️ Instance in unexpected state: $CURRENT_STATE" echo "Please check AWS console" exit 1 fi echo "" echo "========================================" echo "Instance Stopped (Saving Money!)" echo "========================================" echo "" echo "Cost savings:" echo " g5.xlarge hourly rate: \$1.006/hour" echo " Daily savings (24hrs): ~\$24.14/day" echo " Monthly savings (30d): ~\$724.32/month" echo "" echo "To restart for next demo:" echo " ./scripts/aws/start-nim-ec2.sh" echo "" echo "Recommended usage pattern:" echo " - Run 8 hours/day × 20 days/month = \$160.96/month" echo " - vs 24/7 = \$724.32/month" echo " - Savings: \$563.36/month (78%)" echo "" echo "Set a reminder to stop after demos!"