wehub-resource-sync
107 lines
3.9 KiB
Bash
107 lines
3.9 KiB
Bash
#!/bin/bash
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set -e
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cleanup() {
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kill $AGENT_PID $NEXTJS_PID $WATCHDOG_PID 2>/dev/null || true
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}
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trap cleanup EXIT
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echo "========================================="
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echo "[entrypoint] Starting showcase package: ms-agent-harness-dotnet"
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echo "[entrypoint] Time: $(date -u)"
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echo "[entrypoint] PORT=${PORT:-not set}"
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echo "[entrypoint] NODE_ENV=${NODE_ENV:-not set}"
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echo "========================================="
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if [ -z "$OPENAI_API_KEY" ] && [ -z "$GitHubToken" ]; then
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echo "[entrypoint] WARNING: Neither OPENAI_API_KEY nor GitHubToken is set! Agent will fall back to the mock key 'sk-mock-local' and live OpenAI calls will fail."
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fi
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# Start .NET agent backend on :8000 with log prefixing so its output is
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# distinguishable from Next.js in the Railway log stream.
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# `awk ... fflush()` line-flushes each prefixed line to the container log.
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echo "[entrypoint] Starting .NET agent on port 8000..."
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dotnet /agent/BeautifulChatAgent.dll --urls "http://0.0.0.0:8000" &> >(awk '{print "[agent] " $0; fflush()}') &
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AGENT_PID=$!
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# Wait for Kestrel to actually be listening on :8000 before declaring success.
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# A bare `kill -0 $AGENT_PID` only proves the process exists, not that the
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# HTTP listener is bound — Next.js would then proxy to a dead backend for
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# ~90s until the watchdog killed the container.
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echo "[entrypoint] Waiting for agent /health to respond on :8000..."
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AGENT_READY=0
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for i in $(seq 1 30); do
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if curl -fsS --max-time 2 -o /dev/null http://127.0.0.1:8000/health 2>/dev/null; then
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AGENT_READY=1
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echo "[entrypoint] Agent ready after ${i}s (PID: $AGENT_PID)"
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break
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fi
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if ! kill -0 $AGENT_PID 2>/dev/null; then
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echo "[entrypoint] ERROR: Agent process died during startup — exiting"
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exit 1
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fi
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sleep 1
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done
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if [ "$AGENT_READY" -ne 1 ]; then
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echo "[entrypoint] ERROR: Agent did not become healthy within 30s — exiting"
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kill -9 $AGENT_PID 2>/dev/null || true
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exit 1
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fi
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echo "========================================="
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echo "[entrypoint] Starting Next.js frontend on port ${PORT:-10000}..."
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echo "========================================="
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PORT=${PORT:-10000}
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env NODE_ENV=production npx next start --port $PORT &> >(awk '{print "[nextjs] " $0; fflush()}') &
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NEXTJS_PID=$!
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echo "[entrypoint] Next.js started (PID: $NEXTJS_PID)"
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# Watchdog: Railway deploys of showcase packages have been observed to hit a
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# silent agent hang — the agent process stays alive (so `wait -n` never
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# fires and the container never restarts) but stops responding on :8000.
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# Poll the agent's /health endpoint every 30s; after 3 consecutive failures
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# (~90s of unreachable agent), kill the agent process so `wait -n` returns
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# and Railway restarts the container. Generalized from
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# showcase/integrations/crewai-crews/entrypoint.sh (PRs #4114 + #4115).
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(
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FAILS=0
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while sleep 30; do
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if ! kill -0 $AGENT_PID 2>/dev/null; then
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break
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fi
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if ! kill -0 $NEXTJS_PID 2>/dev/null; then
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echo "[watchdog] Next.js process died — exiting watchdog so container can restart"
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break
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fi
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if curl -fsS --max-time 5 http://127.0.0.1:8000/health > /dev/null 2>&1; then
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FAILS=0
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else
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FAILS=$((FAILS + 1))
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echo "[watchdog] Agent health probe failed (count=$FAILS)"
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if [ $FAILS -ge 3 ]; then
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echo "[watchdog] Agent unresponsive for ~90s — killing PID $AGENT_PID to trigger container restart"
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kill -9 $AGENT_PID 2>/dev/null || true
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break
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fi
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fi
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done
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) &
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WATCHDOG_PID=$!
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echo "[entrypoint] Watchdog started (PID: $WATCHDOG_PID)"
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echo "[entrypoint] All processes running. Waiting..."
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wait -n $AGENT_PID $NEXTJS_PID
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EXIT_CODE=$?
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if ! kill -0 $AGENT_PID 2>/dev/null; then
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echo "[entrypoint] Agent (PID: $AGENT_PID) exited with code $EXIT_CODE"
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elif ! kill -0 $NEXTJS_PID 2>/dev/null; then
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echo "[entrypoint] Next.js (PID: $NEXTJS_PID) exited with code $EXIT_CODE"
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else
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echo "[entrypoint] A process exited with code $EXIT_CODE"
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fi
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exit $EXIT_CODE
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