test-e2e

#!/usr/bin/env bash

set -ueo pipefail

cd "$(dirname "$0")"

server="../dist/toxiproxy-server"
state="started"

benchmark() {
  go test -bench=.. ../test/e2e -v
}

cli() {
  ../dist/toxiproxy-cli "$@" 2>&1 | sed -e 's/^/[client] /'
}

wait_for_url() {
  curl -s --retry-connrefused --retry 5 --retry-delay 2 --retry-max-time 30 \
       --max-time 1 -L -I -X GET "${1}"
}

# Stop all background jobs on exit
function cleanup() {
  echo -e "\n\n== Teardown: state=${state}"
  pkill -15 -f "toxiproxy-server -proxy-metrics -runtime-metrics$"
  pkill -15 -f "exe/endpoint$"
}
trap "cleanup" EXIT SIGINT SIGTERM

echo "= Toxiproxy E2E tests"
echo
echo "== Setup"
echo
echo "=== Starting Web service"

pkill -15 "toxiproxy-server" || true
pkill -15 -f "exe/endpoint$" || true

go run ../test/e2e/endpoint.go 2>&1 | sed -e 's/^/[web] /' &

echo "=== Starting Toxiproxy"

LOG_LEVEL=trace $server -proxy-metrics -runtime-metrics 2>&1 | sed -e 's/^/[toxiproxy] /' &

echo "=== Wait when services are available"

wait_for_url http://localhost:20002/test2
wait_for_url http://localhost:8474/version

echo "=== Test client to manipulate proxy"

cli -h http://localhost:8474 \
                     create -l localhost:20000 -u localhost:20002 shopify_http
cli list
cli toggle shopify_http
cli inspect shopify_http
cli toggle shopify_http

echo -e "-----------------\n"

echo "== Benchmarking"
echo
echo "=== Without toxics"

benchmark

echo -e "-----------------\n"

echo "=== Latency toxic downstream"

cli toxic add --downstream \
              --type=latency \
              --toxicName="latency_downstream" \
              --attribute="latency=1000" \
              --attribute="jitter=50" \
              --toxicity=0.99 \
              shopify_http
cli inspect shopify_http

benchmark

cli toxic update --toxicName="latency_downstream" \
                 --attribute="jitter=20" \
                 --toxicity=0.7 \
                 shopify_http
cli inspect shopify_http

cli toxic delete --toxicName="latency_downstream" shopify_http

echo -e "-----------------\n"

echo "=== Latency toxic upstream"

cli toxic add --upstream \
              --type=latency \
              --toxicName="latency_upstream" \
              --attribute="latency=1000" \
              --attribute="jitter=50" \
              --toxicity=1 \
              shopify_http
cli inspect shopify_http

benchmark

cli toxic update --toxicName="latency_upstream" \
                 --attribute="jitter=20" \
                 --toxicity=0.3 \
                 shopify_http
cli inspect shopify_http

cli toxic delete --toxicName="latency_upstream" shopify_http

echo -e "-----------------\n"

echo "=== Bandwidth toxic"

cli toxic add --type=bandwidth \
              --toxicName="bandwidth_kb_per_second" \
              --attribute="rate=1" \
              --toxicity=0.5 \
              shopify_http
cli toxic update --toxicName="bandwidth_kb_per_second" \
                 --attribute="rate=10" \
                 --toxicity=1.0 \
                 shopify_http

benchmark

cli toxic delete --toxicName="bandwidth_kb_per_second" \
                                  shopify_http

echo -e "-----------------\n"

echo "=== Timeout toxic"

cli toxic add --type=timeout \
              --toxicName="timeout_ms" \
              --attribute="timeout=10" \
              --toxicity=0.1 \
              shopify_http
cli toxic delete --toxicName="timeout_ms" shopify_http

echo -e "-----------------\n"

echo "=== Slicer toxic"

cli toxic add --type=slicer \
               --toxicName="slicer_us" \
               --attribute="average_size=64" \
               --attribute="size_variation=32" \
               --attribute="delay=10" \
               --toxicity=1.0 \
               shopify_http
benchmark
cli toxic delete --toxicName="slicer_us" shopify_http

echo -e "-----------------\n"

echo "=== Reset peer toxic"

cli toxic add --type=reset_peer \
              --toxicName="reset_peer" \
              --attribute="timeout=2000" \
              --toxicity=1.0 \
              shopify_http
cli inspect shopify_http
cli toxic delete --toxicName="reset_peer" shopify_http

echo -e "-----------------\n"

echo "== Metrics test"
wait_for_url http://localhost:20000/test1
curl -s http://localhost:8474/metrics | grep -E '^toxiproxy_proxy_sent_bytes_total{direction="downstream",listener="127.0.0.1:20000",proxy="shopify_http",upstream="localhost:20002"} [0-9]+'
curl -s http://localhost:8474/metrics | grep -E '^go_info'
curl -s http://localhost:8474/metrics | grep -E '^go_goroutines'
echo -e "-----------------\n"

echo -e "=================\n"

echo "Succcess!"
state="success"