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https://github.com/EDeev/alertbot.git
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63c9976888
- токены Prometheus/Alertmanager передаются в заголовке Authorization, а не в адресе; - если Alertmanager не отвечает ALERT_WATCHDOG_FAILURES опросов подряд, бот сообщает «Мониторинг недоступен» и отдельно — когда он снова доступен; - один цикл опроса вынесен в process_alerts(); путь к SQLite — ALERTBOT_DB; - переводы строк приведены к LF.
118 lines
4.2 KiB
Python
118 lines
4.2 KiB
Python
import sqlite3
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from typing import List, Optional, Tuple
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class DatabaseManager:
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def __init__(self, db_path: str = "notifications.db"):
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self.db_path = db_path
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self.init_database()
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def _conn(self):
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return sqlite3.connect(self.db_path)
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def init_database(self):
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with self._conn() as conn:
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conn.execute('''
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CREATE TABLE IF NOT EXISTS users (
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user_id INTEGER PRIMARY KEY,
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username TEXT,
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alerts_enabled BOOLEAN DEFAULT 1,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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conn.execute('''
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CREATE TABLE IF NOT EXISTS alert_seen (
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fingerprint TEXT PRIMARY KEY,
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status TEXT,
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name TEXT,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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conn.commit()
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# ---------- users ----------
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def add_user(self, user_id: int, username: str) -> bool:
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try:
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with self._conn() as conn:
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conn.execute(
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"INSERT INTO users (user_id, username) VALUES (?, ?) "
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"ON CONFLICT(user_id) DO UPDATE SET username=excluded.username",
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(user_id, username),
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)
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conn.commit()
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return True
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except sqlite3.Error:
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return False
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def set_alerts(self, user_id: int, value: bool) -> bool:
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try:
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with self._conn() as conn:
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conn.execute("UPDATE users SET alerts_enabled = ? WHERE user_id = ?",
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(1 if value else 0, user_id))
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conn.commit()
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return True
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except sqlite3.Error:
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return False
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def get_user_info(self, user_id: int) -> Optional[Tuple]:
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"""(user_id, username, alerts_enabled)"""
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try:
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with self._conn() as conn:
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return conn.execute(
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"SELECT user_id, username, alerts_enabled FROM users WHERE user_id = ?",
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(user_id,)
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).fetchone()
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except sqlite3.Error:
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return None
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def get_alert_users(self) -> List[int]:
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try:
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with self._conn() as conn:
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return [r[0] for r in conn.execute(
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"SELECT user_id FROM users WHERE alerts_enabled = 1"
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).fetchall()]
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except sqlite3.Error:
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return []
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# ---------- alert dedup ----------
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def get_alert_status(self, fingerprint: str) -> Optional[str]:
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try:
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with self._conn() as conn:
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r = conn.execute("SELECT status FROM alert_seen WHERE fingerprint = ?",
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(fingerprint,)).fetchone()
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return r[0] if r else None
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except sqlite3.Error:
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return None
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def upsert_alert(self, fingerprint: str, status: str, name: str):
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try:
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with self._conn() as conn:
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conn.execute(
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"INSERT INTO alert_seen (fingerprint, status, name, updated_at) "
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"VALUES (?, ?, ?, CURRENT_TIMESTAMP) "
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"ON CONFLICT(fingerprint) DO UPDATE SET status=excluded.status, "
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"name=excluded.name, updated_at=CURRENT_TIMESTAMP",
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(fingerprint, status, name),
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)
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conn.commit()
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except sqlite3.Error:
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pass
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def list_firing_fingerprints(self) -> List[Tuple[str, str]]:
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try:
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with self._conn() as conn:
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return conn.execute(
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"SELECT fingerprint, name FROM alert_seen WHERE status = 'firing'"
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).fetchall()
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except sqlite3.Error:
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return []
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def purge_old_resolved(self, days: int = 3):
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try:
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with self._conn() as conn:
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conn.execute(
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"DELETE FROM alert_seen WHERE status = 'resolved' "
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"AND updated_at < datetime('now', ?)", (f'-{days} days',))
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conn.commit()
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except sqlite3.Error:
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pass
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