Rafael Lopes
9d1a49a1dd
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Deploy WiFi-ETL Prod / deploy (push) Successful in 36s
317 lines
9.9 KiB
Python
317 lines
9.9 KiB
Python
import os
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import smtplib
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import logging
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from datetime import datetime, timezone, timedelta
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from email.mime.text import MIMEText
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from email.mime.multipart import MIMEMultipart
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import psycopg2
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from app.core.config import (
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DB_HOST, DB_PORT, DB_NAME, DB_USER, DB_PASSWORD,
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MAIL_HOST, MAIL_PORT, MAIL_FROM,
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WATCHDOG_RECIPIENT_EMAILS, WATCHDOG_CC_EMAILS,
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)
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STALE_THRESHOLD_H = 1
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COOLDOWN_H = 2
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COOLDOWN_FILE = '/tmp/etl_alert_sent'
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logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s: %(message)s')
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log = logging.getLogger(__name__)
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def get_last_run():
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conn = psycopg2.connect(
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host=DB_HOST, port=DB_PORT, dbname=DB_NAME,
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user=DB_USER, password=DB_PASSWORD, connect_timeout=5,
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)
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try:
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cur = conn.cursor()
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cur.execute("SELECT source, last_run_at FROM watermarks ORDER BY last_run_at DESC LIMIT 1")
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return cur.fetchone()
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finally:
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conn.close()
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def in_cooldown():
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if not os.path.exists(COOLDOWN_FILE):
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return False
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mtime = datetime.fromtimestamp(os.path.getmtime(COOLDOWN_FILE), tz=timezone.utc)
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return (datetime.now(timezone.utc) - mtime) < timedelta(hours=COOLDOWN_H)
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def mark_cooldown():
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with open(COOLDOWN_FILE, 'w') as f:
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f.write(datetime.now(timezone.utc).isoformat())
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def clear_cooldown():
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if os.path.exists(COOLDOWN_FILE):
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os.remove(COOLDOWN_FILE)
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def build_html(source, last_run_at, horas, mins):
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last_run_brt = last_run_at - timedelta(hours=3)
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last_run_str = last_run_brt.strftime('%d/%m %H:%M BRT')
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tempo_str = f"{horas}h{mins:02d}min"
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return f"""<!DOCTYPE html>
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<html lang="pt-BR">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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body {{
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margin: 0; padding: 32px 16px;
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background: #E8EDE9;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
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}}
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.email {{
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max-width: 580px; margin: 0 auto;
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background: #fff; border-radius: 4px; overflow: hidden;
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box-shadow: 0 2px 16px rgba(0,66,30,.12);
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}}
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.hd {{
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background: #00843D; padding: 28px 36px 24px;
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display: flex; align-items: center; justify-content: space-between;
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}}
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.hd-eyebrow {{
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font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
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color: rgba(255,255,255,.65); font-weight: 600; display: block; margin-bottom: 4px;
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}}
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.hd-name {{
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font-size: 20px; font-weight: 800; color: #fff; letter-spacing: .04em;
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}}
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.hd-icon {{ font-size: 38px; line-height: 1; }}
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.banner {{
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background: #FFF8E1; border-top: 3px solid #F59E0B;
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border-bottom: 1px solid #FDE68A; padding: 14px 36px;
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font-size: 12px; font-weight: 700; letter-spacing: .06em;
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text-transform: uppercase; color: #92400E;
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}}
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.body {{ padding: 32px 36px 0; }}
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.headline {{
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font-size: 22px; font-weight: 800; color: #0D2118;
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line-height: 1.25; margin: 0 0 12px;
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}}
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.headline span {{ color: #00843D; }}
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.subline {{
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font-size: 14px; line-height: 1.65; color: #3D5C48;
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margin: 0 0 28px;
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}}
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.stats {{
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display: table; width: 100%; border-collapse: collapse;
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border: 1px solid #D4E6DA; border-radius: 6px;
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overflow: hidden; margin-bottom: 28px;
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}}
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.stat {{
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display: table-cell; background: #fff;
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padding: 14px 16px; border-right: 1px solid #D4E6DA;
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width: 33.33%;
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}}
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.stat:last-child {{ border-right: none; }}
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.stat-label {{
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font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
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color: #6B8C7A; font-weight: 600; display: block; margin-bottom: 3px;
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}}
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.stat-value {{ font-size: 15px; font-weight: 700; color: #0D2118; }}
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.stat-value.bad {{ color: #C0392B; }}
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.cmd-block {{
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background: #F2F7F4; border: 1px solid #C8DDD1;
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border-radius: 6px; padding: 16px 20px; margin-bottom: 28px;
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}}
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.cmd-label {{
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font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
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color: #6B8C7A; font-weight: 600; margin-bottom: 10px;
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}}
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.cmd {{
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font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
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font-size: 12px; color: #00843D; line-height: 1.9;
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}}
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.prompt {{ color: #A0B8A8; }}
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.note {{
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font-size: 13px; color: #5A7A63; line-height: 1.6;
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font-style: italic; padding-bottom: 32px;
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}}
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.footer {{
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background: #F2F7F4; border-top: 1px solid #D4E6DA;
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padding: 18px 36px; display: flex;
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align-items: center; justify-content: space-between;
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}}
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.footer-text {{ font-size: 11px; color: #8AAD98; line-height: 1.5; }}
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.badge {{
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font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
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color: #fff; background: #00843D; padding: 4px 8px;
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border-radius: 3px; font-weight: 700;
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}}
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</style>
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</head>
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<body>
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<div class="email">
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<div class="hd">
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<div>
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<span class="hd-eyebrow">Monitoramento</span>
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<span class="hd-name">Heineken House</span>
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</div>
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<span class="hd-icon">🍺</span>
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</div>
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<div class="banner">⚠ Pipeline parado — ação necessária</div>
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<div class="body">
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<h1 class="headline">
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Pausa na breja e nos drinks.<br>
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<span>O ETL caiu.</span>
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</h1>
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<p class="subline">
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O pipeline de dados do WiFi da Heineken House está parado há mais de
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{STALE_THRESHOLD_H}h. Os dados do dashboard podem estar desatualizados.
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Dê uma olhada quando puder.
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</p>
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<table class="stats">
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<tr>
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<td class="stat">
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<span class="stat-label">Última fonte</span>
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<span class="stat-value">{source}</span>
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</td>
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<td class="stat">
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<span class="stat-label">Última execução</span>
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<span class="stat-value">{last_run_str}</span>
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</td>
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<td class="stat">
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<span class="stat-label">Tempo parado</span>
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<span class="stat-value bad">{tempo_str}</span>
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</td>
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</tr>
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</table>
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<div class="cmd-block">
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<div class="cmd-label">Para verificar no servidor</div>
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<div class="cmd">
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<span class="prompt">$ </span>docker exec wifi_etl_worker tail -50 /var/log/wifi-etl.log<br>
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<span class="prompt">$ </span>docker logs wifi_etl_worker
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</div>
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</div>
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<p class="note">
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Este alerta não será repetido nas próximas {COOLDOWN_H}h. Se o problema
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persistir, um novo aviso será enviado automaticamente.
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</p>
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</div>
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<div class="footer">
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<span class="footer-text">
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Disparado automaticamente pelo watchdog ETL<br>
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Heineken House · WiFi Analytics
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</span>
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<span class="badge">Goleiro</span>
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</div>
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</div>
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</body>
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</html>"""
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def build_plain(source, last_run_at, horas, mins):
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last_run_brt = last_run_at - timedelta(hours=3)
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return (
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f"HEINEKEN HOUSE — ETL PARADO\n"
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f"{'=' * 40}\n\n"
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f"Pausa na breja e nos drinks. O ETL caiu.\n\n"
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f"Última fonte : {source}\n"
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f"Última execução : {last_run_brt.strftime('%d/%m/%Y %H:%M BRT')}\n"
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f"Tempo parado : {horas}h{mins:02d}min\n\n"
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f"Para verificar:\n"
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f" docker exec wifi_etl_worker tail -50 /var/log/wifi-etl.log\n"
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f" docker logs wifi_etl_worker\n\n"
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f"Este alerta não será repetido nas próximas {COOLDOWN_H}h.\n"
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)
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def send_alert(subject, source, last_run_at, horas, mins):
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recipients = [e.strip() for e in WATCHDOG_RECIPIENT_EMAILS.split(',') if e.strip()]
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cc = [e.strip() for e in WATCHDOG_CC_EMAILS.split(',') if e.strip()]
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msg = MIMEMultipart('alternative')
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msg['From'] = MAIL_FROM
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msg['To'] = ', '.join(recipients)
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msg['Subject'] = subject
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if cc:
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msg['Cc'] = ', '.join(cc)
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msg.attach(MIMEText(build_plain(source, last_run_at, horas, mins), 'plain', 'utf-8'))
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msg.attach(MIMEText(build_html(source, last_run_at, horas, mins), 'html', 'utf-8'))
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with smtplib.SMTP(MAIL_HOST, MAIL_PORT, timeout=10) as smtp:
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smtp.sendmail(MAIL_FROM, recipients + cc, msg.as_string())
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log.info(f"Alerta enviado → {recipients + cc}")
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def send_db_error_alert(error):
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recipients = [e.strip() for e in WATCHDOG_RECIPIENT_EMAILS.split(',') if e.strip()]
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cc = [e.strip() for e in WATCHDOG_CC_EMAILS.split(',') if e.strip()]
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subject = "[ETL ALERTA] Falha ao conectar no banco de dados"
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body = (
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f"HEINEKEN HOUSE — ETL ALERTA\n\n"
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f"O watchdog não conseguiu conectar no banco de dados.\n\n"
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f"Erro: {error}\n\n"
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f"Para verificar:\n"
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f" docker logs wifi_etl_worker\n"
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f" docker exec wifi_etl_worker tail -50 /var/log/wifi-etl.log\n"
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)
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msg = MIMEText(body, 'plain', 'utf-8')
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msg['From'] = MAIL_FROM
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msg['To'] = ', '.join(recipients)
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msg['Subject'] = subject
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if cc:
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msg['Cc'] = ', '.join(cc)
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with smtplib.SMTP(MAIL_HOST, MAIL_PORT, timeout=10) as smtp:
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smtp.sendmail(MAIL_FROM, recipients + cc, msg.as_string())
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def main():
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log.info("=== WATCHDOG START ===")
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try:
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row = get_last_run()
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except Exception as e:
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log.error(f"Erro ao conectar no banco: {e}")
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if not in_cooldown():
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send_db_error_alert(e)
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mark_cooldown()
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return
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if not row:
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log.warning("Nenhum watermark encontrado — ETL nunca rodou?")
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return
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source, last_run_at = row
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age = datetime.now(timezone.utc) - last_run_at
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horas = int(age.total_seconds() // 3600)
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mins = int((age.total_seconds() % 3600) // 60)
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log.info(f"Último ETL: {source} em {last_run_at} ({horas}h{mins:02d}min atrás)")
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if age > timedelta(hours=STALE_THRESHOLD_H):
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if in_cooldown():
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log.info("ETL parado mas em cooldown — alerta já enviado recentemente")
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return
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subject = f"[ETL ALERTA] Heineken House — pipeline parado há {horas}h{mins:02d}min"
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send_alert(subject, source, last_run_at, horas, mins)
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mark_cooldown()
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else:
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log.info("ETL saudável")
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clear_cooldown()
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log.info("=== WATCHDOG DONE ===")
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if __name__ == '__main__':
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main()
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