Files
AWatch-rus/scripts/dlp-health-check.py
T
2026-05-13 07:22:27 +03:00

423 lines
15 KiB
Python

#!/usr/bin/env python3
from __future__ import annotations
import argparse
import json
import os
import subprocess
import sys
from dataclasses import dataclass
from datetime import UTC, datetime
from pathlib import Path
from typing import Any
from urllib import request
def _env(name: str, default: str) -> str:
value = os.environ.get(name)
return value if value not in (None, "") else default
def _http_json(url: str, timeout: int = 10) -> Any:
with request.urlopen(url, timeout=timeout) as resp:
return json.loads(resp.read().decode("utf-8"))
def _parse_ts(value: str | None) -> datetime | None:
if not value:
return None
try:
return datetime.fromisoformat(value.replace("Z", "+00:00")).astimezone(UTC)
except ValueError:
return None
def _now_utc() -> datetime:
return datetime.now(UTC)
def _age_seconds(ts: datetime | None, now: datetime) -> int | None:
if ts is None:
return None
return max(0, int((now - ts).total_seconds()))
def _run_systemctl(*args: str) -> tuple[int, str]:
proc = subprocess.run(
["systemctl", *args],
check=False,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True,
)
return proc.returncode, proc.stdout.strip()
@dataclass
class CheckResult:
name: str
status: str
summary: str
details: dict[str, Any]
class HealthReport:
def __init__(self) -> None:
self.results: list[CheckResult] = []
def add(self, name: str, status: str, summary: str, **details: Any) -> None:
self.results.append(CheckResult(name=name, status=status, summary=summary, details=details))
@property
def ok(self) -> bool:
return not any(item.status == "fail" for item in self.results)
def as_dict(self) -> dict[str, Any]:
counts = {"ok": 0, "warn": 0, "fail": 0}
for item in self.results:
counts[item.status] = counts.get(item.status, 0) + 1
return {
"ok": self.ok,
"counts": counts,
"results": [
{
"name": item.name,
"status": item.status,
"summary": item.summary,
"details": item.details,
}
for item in self.results
],
}
def render_text(self) -> str:
icon = {"ok": "OK", "warn": "WARN", "fail": "FAIL"}
lines = ["=== DLP Health Check ===", f"Timestamp: {_now_utc().isoformat().replace('+00:00', 'Z')}", ""]
for item in self.results:
lines.append(f"[{icon.get(item.status, item.status.upper())}] {item.name}: {item.summary}")
if item.details:
lines.append(f" details: {json.dumps(item.details, ensure_ascii=False, sort_keys=True)}")
lines.append("")
lines.append(f"Overall: {'OK' if self.ok else 'FAIL'}")
return "\n".join(lines)
def check_http_endpoint(report: HealthReport, name: str, url: str) -> None:
try:
payload = _http_json(url)
report.add(name, "ok", f"HTTP endpoint responded", url=url, payload=payload)
except Exception as exc:
report.add(name, "fail", f"HTTP endpoint failed: {exc}", url=url)
def check_systemd_unit(report: HealthReport, unit: str, kind: str) -> None:
active_rc, active_out = _run_systemctl("is-active", unit)
enabled_rc, enabled_out = _run_systemctl("is-enabled", unit)
exists_rc, _ = _run_systemctl("status", unit)
if exists_rc != 0 and active_rc != 0 and enabled_rc != 0:
report.add(f"systemd:{unit}", "warn", "unit not installed", kind=kind)
return
if active_rc == 0 and enabled_rc == 0:
report.add(f"systemd:{unit}", "ok", "active and enabled", kind=kind)
return
report.add(
f"systemd:{unit}",
"fail",
"unit is not active/enabled",
kind=kind,
active=active_out or str(active_rc),
enabled=enabled_out or str(enabled_rc),
)
def _latest_bucket_ts(api_base: str, bucket_id: str, bucket_meta: dict[str, Any]) -> datetime | None:
meta = bucket_meta.get("metadata") or {}
ts = _parse_ts(meta.get("end"))
if ts is not None:
return ts
try:
events = _http_json(f"{api_base}/buckets/{bucket_id}/events?limit=1")
except Exception:
return None
if isinstance(events, list) and events:
return _parse_ts(events[0].get("timestamp"))
return None
def _bucket_suffix(bucket_id: str, prefix: str) -> str:
return bucket_id[len(prefix):] if bucket_id.startswith(prefix) else bucket_id
def check_bucket_group(
report: HealthReport,
api_base: str,
buckets: dict[str, Any],
name: str,
prefix: str,
max_age_seconds: int,
severity_if_missing: str = "fail",
severity_if_stale: str = "fail",
) -> None:
now = _now_utc()
matched = sorted(bucket_id for bucket_id in buckets if bucket_id.startswith(prefix))
if not matched:
report.add(
f"buckets:{name}",
severity_if_missing,
f"no buckets matched prefix {prefix}",
prefix=prefix,
)
return
stale: list[dict[str, Any]] = []
unknown: list[str] = []
ages: dict[str, int] = {}
for bucket_id in matched:
ts = _latest_bucket_ts(api_base, bucket_id, buckets.get(bucket_id, {}))
age = _age_seconds(ts, now)
if age is None:
unknown.append(bucket_id)
continue
ages[bucket_id] = age
if age > max_age_seconds:
stale.append({"bucket": bucket_id, "age_seconds": age})
status = "ok"
summary = f"{len(matched)} buckets, freshest ok"
if stale:
status = severity_if_stale
summary = f"{len(stale)} stale buckets"
elif unknown:
status = "warn"
summary = f"{len(unknown)} buckets without timestamp"
report.add(
f"buckets:{name}",
status,
summary,
prefix=prefix,
max_age_seconds=max_age_seconds,
bucket_count=len(matched),
max_observed_age_seconds=max(ages.values()) if ages else None,
stale=stale,
unknown=unknown,
)
def _worktime_activity_map(api_base: str, buckets: dict[str, Any], max_age_seconds: int) -> dict[str, dict[str, Any]]:
now = _now_utc()
activity: dict[str, dict[str, Any]] = {}
prefix = "aw-worktime-sessions_"
for bucket_id in sorted(key for key in buckets if key.startswith(prefix)):
host = _bucket_suffix(bucket_id, prefix)
latest_ts: datetime | None = None
latest_active = False
try:
events = _http_json(f"{api_base}/buckets/{bucket_id}/events?limit=20")
except Exception:
activity[host] = {"active": False, "age_seconds": None, "bucket": bucket_id}
continue
if isinstance(events, list):
for event in events:
ts = _parse_ts(event.get("timestamp"))
if ts is None:
continue
if latest_ts is None or ts > latest_ts:
latest_ts = ts
latest_active = bool((event.get("data") or {}).get("active"))
activity[host] = {
"active": bool(latest_ts and latest_active and (_age_seconds(latest_ts, now) or 0) <= max_age_seconds),
"age_seconds": _age_seconds(latest_ts, now),
"bucket": bucket_id,
}
return activity
def check_file_operations_buckets(
report: HealthReport,
api_base: str,
buckets: dict[str, Any],
max_age_seconds: int,
strict: bool,
) -> None:
now = _now_utc()
prefix = "aw-file-operations_"
matched = sorted(bucket_id for bucket_id in buckets if bucket_id.startswith(prefix))
worktime = _worktime_activity_map(api_base, buckets, max_age_seconds)
active_hosts = sorted(host for host, meta in worktime.items() if meta.get("active"))
matched_by_host = {_bucket_suffix(bucket_id, prefix): bucket_id for bucket_id in matched}
ignored_unmanaged: list[str] = []
ignored_inactive: list[str] = []
missing_active: list[str] = []
stale: list[dict[str, Any]] = []
unknown: list[str] = []
fresh: list[str] = []
for host, bucket_id in matched_by_host.items():
if host not in worktime:
ignored_unmanaged.append(bucket_id)
continue
if host not in active_hosts:
ignored_inactive.append(bucket_id)
continue
ts = _latest_bucket_ts(api_base, bucket_id, buckets.get(bucket_id, {}))
age = _age_seconds(ts, now)
if age is None:
unknown.append(bucket_id)
continue
if age > max_age_seconds:
stale.append({"bucket": bucket_id, "age_seconds": age})
else:
fresh.append(bucket_id)
for host in active_hosts:
if host not in matched_by_host:
missing_active.append(host)
if not active_hosts:
report.add(
"buckets:file-operations",
"ok",
"no active managed hosts require file-operations freshness",
active_hosts=[],
ignored_unmanaged=ignored_unmanaged,
ignored_inactive=ignored_inactive,
worktime_hosts=sorted(worktime),
)
return
status = "ok"
summary = f"{len(fresh)} active host buckets fresh"
if missing_active:
status = "fail" if strict else "warn"
summary = f"{len(missing_active)} active hosts missing file-operations buckets"
elif stale:
status = "fail" if strict else "warn"
summary = f"{len(stale)} active host buckets stale"
elif unknown:
status = "warn"
summary = f"{len(unknown)} active host buckets without timestamp"
report.add(
"buckets:file-operations",
status,
summary,
active_hosts=active_hosts,
fresh=fresh,
stale=stale,
missing_active=missing_active,
unknown=unknown,
ignored_unmanaged=ignored_unmanaged,
ignored_inactive=ignored_inactive,
)
def check_endpoint_self_test_metrics(report: HealthReport, api_base: str, buckets: dict[str, Any]) -> None:
missing: list[str] = []
expected = ("queueDepth", "eventsEnqueued", "eventsFlushed", "sendFailures")
for bucket_id in sorted(k for k in buckets if k.startswith("aw-dlp-endpoint-signals_")):
try:
events = _http_json(f"{api_base}/buckets/{bucket_id}/events?limit=20")
except Exception as exc:
report.add(f"endpoint-self-test:{bucket_id}", "warn", f"failed to read events: {exc}", bucket=bucket_id)
continue
found = False
if isinstance(events, list):
for event in events:
data = event.get("data") or {}
if data.get("signalType") == "self_test" and all(key in data for key in expected):
found = True
break
if not found:
missing.append(bucket_id)
if missing:
report.add("endpoint-self-test-metrics", "warn", "missing transport metrics in recent self_test events", buckets=missing)
else:
report.add("endpoint-self-test-metrics", "ok", "recent self_test metrics present")
def check_compliance_reports(report: HealthReport, report_dir: Path, profiles: list[str], month: str) -> None:
missing: list[str] = []
present: list[str] = []
for profile in profiles:
for suffix in ("html", "json"):
path = report_dir / f"{profile}-{month}.{suffix}"
if path.exists():
present.append(str(path))
else:
missing.append(str(path))
if missing:
report.add("compliance-reports", "fail", "missing expected compliance report artifacts", present=present, missing=missing)
else:
report.add("compliance-reports", "ok", "all expected compliance artifacts exist", present=present)
def main() -> int:
parser = argparse.ArgumentParser(description="AWatch DLP health check")
parser.add_argument("--aw-server", default=_env("AW_HEALTH_AW_SERVER", "http://127.0.0.1:5600"))
parser.add_argument("--policy-server", default=_env("AW_HEALTH_POLICY_SERVER", "http://127.0.0.1:5601"))
parser.add_argument("--case-server", default=_env("AW_HEALTH_CASE_SERVER", "http://127.0.0.1:5602"))
parser.add_argument("--max-age-seconds", type=int, default=int(_env("AW_HEALTH_MAX_AGE_SECONDS", "900")))
parser.add_argument("--strict-fileops", action="store_true", default=_env("AW_HEALTH_STRICT_FILEOPS", "0").lower() in {"1", "true", "yes", "on"})
parser.add_argument("--report-dir", default=_env("AW_DLP_COMPLIANCE_REPORT_DIR", "/opt/activitywatch/dlp-compliance/reports"))
parser.add_argument("--profiles", default=_env("AW_DLP_COMPLIANCE_PROFILES", "152-fz,pci-dss"))
parser.add_argument("--json", action="store_true")
args = parser.parse_args()
report = HealthReport()
aw_api_base = args.aw_server.rstrip("/") + "/api/0"
check_http_endpoint(report, "http:aw", f"{aw_api_base}/info")
check_http_endpoint(report, "http:policy", args.policy_server.rstrip("/") + "/healthz")
check_http_endpoint(report, "http:cases", args.case_server.rstrip("/") + "/health")
for unit in (
"activitywatch-server",
"aw-dlp-policy-engine.service",
"aw-dlp-case-management.service",
"aw-worktime-api.service",
):
check_systemd_unit(report, unit, "service")
for unit in (
"aw-dlp-report-scheduler.timer",
"aw-dlp-syslog-forwarder.timer",
"aw-dlp-webhook-sender.timer",
"aw-dlp-cef-exporter.timer",
"activitywatch-dlp-aggregator.timer",
"aw-dlp-ioc-refresh.timer",
"aw-worktime-ui-bridge.timer",
):
check_systemd_unit(report, unit, "timer")
try:
buckets = _http_json(f"{aw_api_base}/buckets")
if not isinstance(buckets, dict):
raise RuntimeError("bucket list is not a dict")
report.add("aw:buckets-index", "ok", "bucket index loaded", total=len(buckets))
check_bucket_group(report, aw_api_base, buckets, "endpoint-signals", "aw-dlp-endpoint-signals_", args.max_age_seconds)
check_file_operations_buckets(report, aw_api_base, buckets, args.max_age_seconds, args.strict_fileops)
check_bucket_group(report, aw_api_base, buckets, "incidents", "aw-dlp-incidents_", args.max_age_seconds * 24, severity_if_missing="warn", severity_if_stale="warn")
check_endpoint_self_test_metrics(report, aw_api_base, buckets)
except Exception as exc:
report.add("aw:buckets-index", "fail", f"failed to inspect bucket index: {exc}")
month = _now_utc().strftime("%Y-%m")
profiles = [x.strip() for x in args.profiles.split(",") if x.strip()]
check_compliance_reports(report, Path(args.report_dir), profiles, month)
payload = report.as_dict()
if args.json:
print(json.dumps(payload, ensure_ascii=False, indent=2))
else:
print(report.render_text())
return 0 if payload["ok"] else 1
if __name__ == "__main__":
sys.exit(main())