#!/usr/bin/env bash
# scripts/traffic.sh — sleep pod에서 반복 호출로 트래픽 생성 (관측성/검증용)
# usage: bash scripts/traffic.sh <url> [count] [namespace]
#   ex) bash scripts/traffic.sh http://httpbin:8000/get 20
set -uo pipefail

URL="${1:?usage: traffic.sh <url> [count] [ns]}"
COUNT="${2:-10}"
NS="${3:-mesh-test}"
CTX="${CTX:-homelab}"

echo "[traffic] $COUNT requests -> $URL (ns=$NS)"
for i in $(seq 1 "$COUNT"); do
  code=$(kubectl --context="$CTX" -n "$NS" exec deploy/sleep -c sleep -- \
    curl -s -o /dev/null -w "%{http_code}" "$URL" 2>/dev/null)
  printf '  %2d -> %s\n' "$i" "$code"
done