fintechner dashboard diagnostic

07-diagnose-dashboard.sh

#!/bin/bash
# fintechner — diagnose why the dashboard isn't responding (502).

set -euo pipefail

REGION=ap-northeast-1
INSTANCE_ID=i-089ad4a6b76132ba2

echo "=== Sending diagnostic command to EC2 ==="
CMD_ID=$(aws --region "$REGION" ssm send-command \
  --instance-ids "$INSTANCE_ID" \
  --document-name AWS-RunShellScript \
  --parameters 'commands=[
    "echo === systemd dashboard status ===",
    "sudo systemctl status fintechner-dashboard --no-pager -l || true",
    "echo",
    "echo === recent journal ===",
    "sudo journalctl -u fintechner-dashboard -n 80 --no-pager || true",
    "echo",
    "echo === dashboard filesystem ===",
    "ls -la /opt/fintechner/dashboard/ 2>&1 | head -20",
    "echo",
    "echo === port 3000 listener ===",
    "sudo ss -tlnp | grep :3000 || echo no listener on 3000",
    "echo",
    "echo === env file ===",
    "sudo cat /etc/fintechner/dashboard.env"
  ]' \
  --query Command.CommandId --output text)
echo "  Command ID: $CMD_ID"

echo "=== Waiting for it to complete ==="
for i in $(seq 1 20); do
  sleep 3
  STATUS=$(aws --region "$REGION" ssm get-command-invocation \
    --command-id "$CMD_ID" --instance-id "$INSTANCE_ID" \
    --query Status --output text 2>/dev/null || echo Pending)
  case "$STATUS" in
    Success|Failed|Cancelled|TimedOut)
      echo "  $STATUS"
      break ;;
    *) echo "  ($i) $STATUS" ;;
  esac
done

echo
echo "============================================================"
echo "  STDOUT"
echo "============================================================"
aws --region "$REGION" ssm get-command-invocation \
  --command-id "$CMD_ID" --instance-id "$INSTANCE_ID" \
  --query StandardOutputContent --output text

echo
echo "============================================================"
echo "  STDERR"
echo "============================================================"
aws --region "$REGION" ssm get-command-invocation \
  --command-id "$CMD_ID" --instance-id "$INSTANCE_ID" \
  --query StandardErrorContent --output text