#!/bin/bash
# Toxiproxy Network Scenario Manager for Docker Compose
# Usage: ./scripts/toxiproxy-scenario.sh [scenario]
TOXIPROXY_API="http://localhost:8474"
remove_all_toxics() {
echo "🧹 Removing existing toxics..."
curl -s -X GET "$TOXIPROXY_API/proxies/postgres/toxics" | \
jq -r '.[] | .name' 2>/dev/null | \
while read toxic; do
curl -s -X DELETE "$TOXIPROXY_API/proxies/postgres/toxics/$toxic"
done
}
scenario_localhost() {
echo "🏠 Setting up: LOCALHOST (current baseline)"
remove_all_toxics
echo "✅ No latency simulation - direct connection"
}
scenario_same_region() {
echo "🌍 Setting up: AWS SAME REGION (us-west-2 → us-west-2)"
remove_all_toxics
curl -s -X POST "$TOXIPROXY_API/proxies/postgres/toxics" \
-H "Content-Type: application/json" \
-d '{
"name": "latency",
"type": "latency",
"attributes": {
"latency": 2,
"jitter": 1
}
}'
echo "✅ Added 2ms ±1ms latency"
}
scenario_cross_region() {
echo "🌎 Setting up: AWS CROSS REGION (us-west-2 → us-east-1)"
remove_all_toxics
curl -s -X POST "$TOXIPROXY_API/proxies/postgres/toxics" \
-H "Content-Type: application/json" \
-d '{
"name": "latency",
"type": "latency",
"attributes": {
"latency": 75,
"jitter": 15
}
}'
curl -s -X POST "$TOXIPROXY_API/proxies/postgres/toxics" \
-H "Content-Type: application/json" \
-d '{
"name": "bandwidth",
"type": "bandwidth",
"attributes": {
"rate": 10000
}
}'
echo "✅ Added 75ms ±15ms latency + 10MB/s bandwidth limit"
}
scenario_bad_network() {
echo "📱 Setting up: BAD NETWORK (mobile/unstable connection)"
remove_all_toxics
curl -s -X POST "$TOXIPROXY_API/proxies/postgres/toxics" \
-H "Content-Type: application/json" \
-d '{
"name": "latency",
"type": "latency",
"attributes": {
"latency": 200,
"jitter": 100
}
}'
curl -s -X POST "$TOXIPROXY_API/proxies/postgres/toxics" \
-H "Content-Type: application/json" \
-d '{
"name": "bandwidth",
"type": "bandwidth",
"attributes": {
"rate": 1000
}
}'
echo "✅ Added 200ms ±100ms latency + 1MB/s bandwidth limit"
}
scenario_aurora() {
echo "🌟 Setting up: AWS AURORA (same-AZ with connection pooling)"
remove_all_toxics
curl -s -X POST "$TOXIPROXY_API/proxies/postgres/toxics" \
-H "Content-Type: application/json" \
-d '{
"name": "latency",
"type": "latency",
"attributes": {
"latency": 3,
"jitter": 2
}
}'
curl -s -X POST "$TOXIPROXY_API/proxies/postgres/toxics" \
-H "Content-Type: application/json" \
-d '{
"name": "slow_close",
"type": "slow_close",
"attributes": {
"delay": 100
}
}'
echo "✅ Added 3ms ±2ms latency + connection pooling simulation"
}
show_status() {
echo "📊 Current proxy status:"
curl -s "$TOXIPROXY_API/proxies/postgres" | jq '.' 2>/dev/null || echo "❌ Proxy not configured"
echo ""
echo "🧪 Active toxics:"
curl -s "$TOXIPROXY_API/proxies/postgres/toxics" | jq '.[] | {name: .name, type: .type, attributes: .attributes}' 2>/dev/null || echo "No toxics active"
}
case "${1:-help}" in
"localhost"|"local")
scenario_localhost
;;
"same-region"|"same")
scenario_same_region
;;
"cross-region"|"cross")
scenario_cross_region
;;
"bad-network"|"bad")
scenario_bad_network
;;
"aurora")
scenario_aurora
;;
"status")
show_status
;;
*)
echo "🚀 Toxiproxy Network Scenario Manager"
echo ""
echo "Usage: $0 [scenario]"
echo ""
echo "Scenarios:"
echo " localhost - No latency (baseline measurement)"
echo " same-region - AWS same region (2ms ±1ms)"
echo " cross-region - AWS cross region (75ms ±15ms + bandwidth limit)"
echo " aurora - AWS Aurora (3ms ±2ms + connection pooling)"
echo " bad-network - Mobile/unstable (200ms ±100ms + 1MB/s limit)"
echo " status - Show current configuration"
echo ""
echo "Example:"
echo " $0 same-region # Test AWS same region latency"
echo " $0 aurora # Test AWS Aurora characteristics"
echo " $0 cross-region # Test cross-region performance"
echo " $0 status # Check current settings"
;;
esac
