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451d52a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 | """Supabase persistence layer for anomaly detection.
Every public function is wrapped in try/except so callers never crash
if Supabase is unavailable or misconfigured.
"""
from __future__ import annotations
import asyncio
import logging
from datetime import datetime, timedelta
logger = logging.getLogger(__name__)
def _sb():
"""Return the Supabase sync client (service role key, bypasses RLS)."""
from src.auth.db import _client
return _client()
# ── query_events ──────────────────────────────────────────────────────────────
def upsert_query_event(event: dict) -> None:
"""Write one query event row, idempotent on event_id."""
try:
_sb().table("query_events").upsert(
{
"event_id": event["id"],
"team_id": event.get("team_id", "unknown"),
"session_id": event.get("session_id"),
"success": event.get("success", True),
"duration_ms": event.get("duration_ms"),
"escalated": event.get("escalated", False),
"guardrail_score": event.get("guardrail_score"),
"agent_metrics": event.get("agents", {}),
"created_at": event.get("created_at", datetime.utcnow().isoformat()),
},
on_conflict="event_id",
ignore_duplicates=True,
).execute()
except Exception:
logger.warning("anomaly_db: upsert_query_event failed", exc_info=True)
async def async_upsert_query_event(event: dict) -> None:
"""Async shim — runs the sync upsert in the default executor."""
loop = asyncio.get_event_loop()
await loop.run_in_executor(None, upsert_query_event, event)
# ── query_events_hourly ───────────────────────────────────────────────────────
def aggregate_hourly(team_id: str, hour_bucket: str) -> None:
"""Recompute one (team_id, hour_bucket) row via the Supabase RPC."""
try:
_sb().rpc("aggregate_hourly_bucket", {
"p_team_id": team_id,
"p_hour": hour_bucket,
}).execute()
except Exception:
logger.warning(
"anomaly_db: aggregate_hourly failed team=%s hour=%s",
team_id, hour_bucket, exc_info=True,
)
def get_hourly_counts(team_id: str, days: int = 14) -> list[dict]:
"""Return hourly aggregate rows for the last N days for a team."""
try:
cutoff = (datetime.utcnow() - timedelta(days=days)).isoformat()
result = (
_sb()
.table("query_events_hourly")
.select("hour_bucket,query_count,escalation_count")
.eq("team_id", team_id)
.gte("hour_bucket", cutoff)
.order("hour_bucket", desc=False)
.execute()
)
return result.data or []
except Exception:
logger.warning("anomaly_db: get_hourly_counts failed", exc_info=True)
return []
def get_all_team_ids() -> list[str]:
"""Return distinct team_ids with events in the last 90 days."""
try:
cutoff = (datetime.utcnow() - timedelta(days=90)).isoformat()
result = (
_sb()
.table("query_events")
.select("team_id")
.gte("created_at", cutoff)
.execute()
)
return list({r["team_id"] for r in (result.data or [])})
except Exception:
logger.warning("anomaly_db: get_all_team_ids failed", exc_info=True)
return []
# ── anomaly_signals ───────────────────────────────────────────────────────────
def insert_signal(
signal_type: str,
severity: str,
score: float,
details: dict,
team_id: str | None = None,
entity_type: str | None = None,
entity_id: str | None = None,
) -> dict | None:
"""Insert one anomaly signal with 2-hour dedup suppression.
If an identical unresolved signal already exists for the same
(signal_type, team_id, entity_id) within the last 2 hours, the
insert is skipped and None is returned.
"""
try:
two_hours_ago = (datetime.utcnow() - timedelta(hours=2)).isoformat()
dupe_q = (
_sb()
.table("anomaly_signals")
.select("id")
.eq("signal_type", signal_type)
.eq("resolved", False)
.gte("detected_at", two_hours_ago)
)
if team_id:
dupe_q = dupe_q.eq("team_id", team_id)
if entity_id:
dupe_q = dupe_q.eq("entity_id", entity_id)
if dupe_q.execute().data:
return None # suppress duplicate
row: dict = {
"signal_type": signal_type,
"severity": severity,
"score": score,
"details": details,
}
if team_id: row["team_id"] = team_id
if entity_type: row["entity_type"] = entity_type
if entity_id: row["entity_id"] = entity_id
result = _sb().table("anomaly_signals").insert(row).execute()
return result.data[0] if result.data else None
except Exception:
logger.warning("anomaly_db: insert_signal failed type=%s", signal_type, exc_info=True)
return None
def get_signals(
team_id: str | None,
severity: str | None,
signal_type: str | None,
resolved: bool,
limit: int,
) -> list[dict]:
try:
q = (
_sb()
.table("anomaly_signals")
.select("*")
.eq("resolved", resolved)
.order("detected_at", desc=True)
.limit(limit)
)
if team_id: q = q.eq("team_id", team_id)
if severity: q = q.eq("severity", severity)
if signal_type: q = q.eq("signal_type", signal_type)
return q.execute().data or []
except Exception:
logger.warning("anomaly_db: get_signals failed", exc_info=True)
return []
def resolve_signal(signal_id: str, resolver_user_id: str) -> bool:
try:
_sb().table("anomaly_signals").update({
"resolved": True,
"resolved_by": resolver_user_id,
"resolved_at": datetime.utcnow().isoformat(),
}).eq("id", signal_id).eq("resolved", False).execute()
return True
except Exception:
logger.warning("anomaly_db: resolve_signal failed id=%s", signal_id, exc_info=True)
return False
def get_signals_summary() -> dict:
"""Return unresolved signal counts grouped by type and severity."""
try:
result = (
_sb()
.table("anomaly_signals")
.select("signal_type,severity")
.eq("resolved", False)
.execute()
)
rows = result.data or []
by_type: dict[str, int] = {}
by_severity: dict[str, int] = {}
for r in rows:
by_type[r["signal_type"]] = by_type.get(r["signal_type"], 0) + 1
by_severity[r["severity"]] = by_severity.get(r["severity"], 0) + 1
return {"total": len(rows), "by_type": by_type, "by_severity": by_severity}
except Exception:
logger.warning("anomaly_db: get_signals_summary failed", exc_info=True)
return {"total": 0, "by_type": {}, "by_severity": {}}
def get_staleness_top(limit: int = 30) -> list[dict]:
try:
result = (
_sb()
.table("anomaly_signals")
.select("entity_id,score,details,detected_at")
.eq("signal_type", "staleness")
.eq("resolved", False)
.order("score", desc=True)
.limit(limit)
.execute()
)
return result.data or []
except Exception:
logger.warning("anomaly_db: get_staleness_top failed", exc_info=True)
return []
def get_dependency_risk(limit: int = 50) -> list[dict]:
try:
result = (
_sb()
.table("anomaly_signals")
.select("entity_id,score,details,detected_at")
.eq("signal_type", "dependency_risk")
.eq("resolved", False)
.order("score", desc=True)
.limit(limit)
.execute()
)
return result.data or []
except Exception:
logger.warning("anomaly_db: get_dependency_risk failed", exc_info=True)
return []
def purge_old_events() -> int:
"""Delete query_events older than 90 days. Returns approximate deleted count."""
try:
cutoff = (datetime.utcnow() - timedelta(days=90)).isoformat()
result = _sb().table("query_events").delete().lt("created_at", cutoff).execute()
deleted = len(result.data or [])
if deleted:
logger.info("anomaly_db: purged %d old query_events", deleted)
return deleted
except Exception:
logger.warning("anomaly_db: purge_old_events failed", exc_info=True)
return 0
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