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ScottzillaSystems/conversation-memory

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healer.py480 linesDownload Raw Back to root
1#!/usr/bin/env python32"""3Autonomous Self-Healing System for Hugging Face Spaces4Monitors, diagnoses, fixes errors, and minimizes costs automatically.5 6Usage:7    python healer.py --daemon          # Run continuously8    python healer.py --once            # Single check cycle9    python healer.py --space <id>      # Check specific space10    python healer.py --report          # Generate cost report11"""12 13import os14import sys15import time16import json17import argparse18import traceback19from datetime import datetime, timedelta20from dataclasses import dataclass, asdict21from typing import List, Dict, Optional, Tuple22from collections import defaultdict23 24from huggingface_hub import HfApi, SpaceHardware, SpaceRuntime25 26 27# ─── Configuration ───────────────────────────────────────────────────────────28 29HEALER_CONFIG = {30    "poll_interval_seconds": 60,31    "max_restarts_per_hour": 5,32    "oom_downgrade_hw": "cpu-basic",33    "default_sleep_seconds": 300,34    "cost_per_hour": {35        "cpu-basic": 0.0,36        "cpu-upgrade": 0.03,37        "t4-small": 0.40,38        "t4-medium": 0.60,39        "a10g-small": 1.00,40        "a10g-large": 1.50,41        "a10g-largex2": 3.00,42        "a100-large": 2.50,43        "l4x1": 0.80,44        "l40sx1": 1.80,45    },46    "auto_pause_on_error": True,47    "auto_sleep_idle": True,48    "idle_sleep_threshold_seconds": 300,49    "cost_cutting": {50        "pause_broken_spaces": True,51        "downgrade_oom_to_cpu": True,52        "set_auto_sleep_on_paid_hw": True,53        "pause_during_night_hours": False,54        "night_hours": {"start": 2, "end": 8},55    },56}57 58# Spaces to monitor (auto-discovered if empty)59MONITORED_SPACES: List[str] = []60 61# Fix playbook: error pattern → action62FIX_PLAYBOOK = {63    "BUILD_ERROR": {64        "action": "restart",65        "description": "Build failed — restart to retry",66        "cost_action": "none",67    },68    "RUNTIME_ERROR": {69        "action": "restart_then_pause_if_repeated",70        "description": "App crashed — restart, pause if keeps failing",71        "cost_action": "pause_after_3_failures",72    },73    "OOM": {74        "action": "downgrade_and_restart",75        "description": "Out of memory — downgrade to CPU, restart",76        "cost_action": "downgrade_to_cpu",77    },78    "PAUSED": {79        "action": "restart_if_should_be_active",80        "description": "Space paused — restart if in active hours",81        "cost_action": "none",82    },83    "SLEEPING": {84        "action": "restart_on_demand_only",85        "description": "Space sleeping — let visitors wake it",86        "cost_action": "none",87    },88    "NO_APP_FILE": {89        "action": "alert_human",90        "description": "Missing app file — requires code fix",91        "cost_action": "pause",92    },93    "HARDWARE_PENDING": {94        "action": "wait",95        "description": "Hardware change pending — wait for provisioning",96        "cost_action": "none",97    },98}99 100 101# ─── Data Structures ─────────────────────────────────────────────────────────102 103@dataclass104class SpaceState:105    repo_id: str106    stage: str107    hardware: Optional[str]108    requested_hardware: Optional[str]109    sleep_time: Optional[int]110    last_checked: str111    error_message: Optional[str] = None112    restart_count_1h: int = 0113    total_uptime_minutes: float = 0.0114    estimated_cost_today: float = 0.0115 116@dataclass117class HealAction:118    action: str119    description: str120    executed: bool121    result: str122    timestamp: str123 124 125# ─── Core Healer Class ───────────────────────────────────────────────────────126 127class SpaceHealer:128    def __init__(self, token: Optional[str] = None):129        self.api = HfApi(token=token or os.getenv("HF_TOKEN"))130        self.history: Dict[str, List[Dict]] = defaultdict(list)131        self.state_cache: Dict[str, SpaceState] = {}132        self.fix_log: List[Dict] = []133 134    # ── Discovery ───────────────────────────────────────────────────────────135 136    def discover_spaces(self, author: str = "ScottzillaSystems") -> List[str]:137        """Auto-discover all Spaces under a namespace."""138        try:139            import requests140            resp = requests.get(141                f"https://huggingface.co/api/spaces?author={author}",142                headers={"Authorization": f"Bearer {self.api.token}"}143            )144            spaces = resp.json()145            return [s["id"] for s in spaces]146        except Exception as e:147            print(f"[Healer] Discovery failed: {e}")148            return MONITORED_SPACES149 150    # ── Monitoring ──────────────────────────────────────────────────────────151 152    def check_space(self, repo_id: str) -> Tuple[SpaceState, Optional[HealAction]]:153        """Check a single space and return state + action taken."""154        now = datetime.utcnow().isoformat()155 156        try:157            runtime = self.api.get_space_runtime(repo_id)158        except Exception as e:159            return SpaceState(160                repo_id=repo_id, stage="UNKNOWN", hardware=None,161                requested_hardware=None, sleep_time=None,162                last_checked=now, error_message=str(e)163            ), None164 165        # Build state166        state = SpaceState(167            repo_id=repo_id,168            stage=runtime.stage,169            hardware=runtime.hardware,170            requested_hardware=runtime.requested_hardware,171            sleep_time=runtime.sleep_time,172            last_checked=now,173            error_message=getattr(runtime, "errorMessage", None),174        )175 176        # Estimate cost177        hw = (runtime.hardware or "cpu-basic").lower()178        cost_rate = HEALER_CONFIG["cost_per_hour"].get(hw, 0.0)179        state.estimated_cost_today = cost_rate * 24  # rough daily estimate180 181        # Update restart history182        prev = self.state_cache.get(repo_id)183        if prev and prev.stage != "RUNNING" and runtime.stage == "RUNNING":184            self.history[repo_id].append({"event": "restart", "time": now})185 186        # Count restarts in last hour187        cutoff = (datetime.utcnow() - timedelta(hours=1)).isoformat()188        state.restart_count_1h = sum(189            1 for h in self.history[repo_id]190            if h["event"] == "restart" and h["time"] > cutoff191        )192 193        self.state_cache[repo_id] = state194 195        # Diagnose and heal196        diagnosis = self._diagnose(state)197        if diagnosis:198            action = self._heal(repo_id, state, diagnosis)199            return state, action200 201        return state, None202 203    def _diagnose(self, state: SpaceState) -> Optional[str]:204        """Classify the problem."""205        stage = state.stage206 207        if stage == "BUILD_ERROR":208            return "BUILD_ERROR"209        if stage == "RUNTIME_ERROR":210            # Check if OOM211            if state.error_message and any(k in (state.error_message or "").lower()212                                           for k in ["killed", "oom", "out of memory", "cuda out of memory"]):213                return "OOM"214            return "RUNTIME_ERROR"215        if stage == "PAUSED":216            return "PAUSED"217        if stage == "SLEEPING":218            return "SLEEPING"219        if stage == "NO_APP_FILE":220            return "NO_APP_FILE"221        if state.requested_hardware and state.requested_hardware != state.hardware:222            return "HARDWARE_PENDING"223        return None224 225    def _heal(self, repo_id: str, state: SpaceState, diagnosis: str) -> HealAction:226        """Execute fix from playbook."""227        now = datetime.utcnow().isoformat()228        playbook = FIX_PLAYBOOK.get(diagnosis, {"action": "alert_human", "description": "Unknown issue", "cost_action": "none"})229        action_name = playbook["action"]230        result = "skipped"231        executed = False232 233        try:234            if action_name == "restart":235                self.api.restart_space(repo_id)236                result = "restarted"237                executed = True238 239            elif action_name == "restart_then_pause_if_repeated":240                if state.restart_count_1h >= HEALER_CONFIG["max_restarts_per_hour"]:241                    try:242                        self.api.pause_space(repo_id)243                        result = f"paused_after_{state.restart_count_1h}_restarts"244                    except Exception as e:245                        result = f"pause_failed: {str(e)[:80]}"246                else:247                    try:248                        self.api.restart_space(repo_id)249                        result = "restarted"250                    except Exception as e:251                        result = f"restart_failed: {str(e)[:80]}"252                executed = True253 254            elif action_name == "downgrade_and_restart":255                try:256                    self.api.request_space_hardware(repo_id, hardware=SpaceHardware.CPU_BASIC)257                    time.sleep(3)258                    self.api.restart_space(repo_id)259                    result = "downgraded_to_cpu_and_restarted"260                except Exception as e:261                    result = f"downgrade_failed: {str(e)[:80]}"262                executed = True263 264            elif action_name == "restart_if_should_be_active":265                try:266                    self.api.restart_space(repo_id)267                    result = "restarted"268                except Exception as e:269                    result = f"restart_failed: {str(e)[:80]}"270                executed = True271 272            elif action_name == "restart_on_demand_only":273                result = "left_sleeping"274                executed = False275 276            elif action_name == "alert_human":277                if HEALER_CONFIG["auto_pause_on_error"]:278                    try:279                        self.api.pause_space(repo_id)280                        result = "paused_for_human_review"281                    except Exception as e:282                        result = f"pause_failed: {str(e)[:80]}"283                else:284                    result = "alerted_human"285                executed = True286 287            elif action_name == "wait":288                result = "waiting_for_provisioning"289                executed = False290 291        except Exception as e:292            result = f"error: {str(e)[:100]}"293            executed = False294 295        action = HealAction(296            action=action_name,297            description=playbook["description"],298            executed=executed,299            result=result,300            timestamp=now,301        )302 303        self.fix_log.append({304            "repo_id": repo_id,305            "diagnosis": diagnosis,306            **asdict(action),307        })308 309        return action310 311    # ── Cost Optimization ───────────────────────────────────────────────────312 313    def optimize_costs(self, repo_id: str):314        """Apply aggressive cost-saving measures."""315        state = self.state_cache.get(repo_id)316        if not state:317            return318 319        hw = (state.hardware or "cpu-basic").lower()320        cost_rate = HEALER_CONFIG["cost_per_hour"].get(hw, 0.0)321        cc = HEALER_CONFIG["cost_cutting"]322        saved = []323 324        # 1. Pause broken spaces on ANY paid hardware325        if cc["pause_broken_spaces"] and cost_rate > 0 and state.stage in ("RUNTIME_ERROR", "BUILD_ERROR", "NO_APP_FILE"):326            try:327                self.api.pause_space(repo_id)328                saved.append(f"paused broken space (${cost_rate}/hr)")329            except Exception:330                pass331 332        # 2. Downgrade OOM spaces to CPU333        if cc["downgrade_oom_to_cpu"] and state.stage == "RUNTIME_ERROR" and state.error_message:334            if any(k in state.error_message.lower() for k in ["killed", "oom", "out of memory"]):335                try:336                    self.api.request_space_hardware(repo_id, hardware=SpaceHardware.CPU_BASIC)337                    saved.append("downgraded OOM to CPU")338                except Exception:339                    pass340 341        # 3. Set auto-sleep on all paid hardware without it342        if cc["set_auto_sleep_on_paid_hw"] and cost_rate > 0 and state.sleep_time is None:343            try:344                self.api.set_space_sleep_time(repo_id, sleep_time=HEALER_CONFIG["default_sleep_seconds"])345                saved.append(f"auto-sleep {HEALER_CONFIG['default_sleep_seconds']}s")346            except Exception:347                pass348 349        # 4. Night-hour pause for non-critical spaces350        if cc["pause_during_night_hours"]:351            hour = datetime.utcnow().hour352            night_start = cc["night_hours"]["start"]353            night_end = cc["night_hours"]["end"]354            is_night = (hour >= night_start or hour < night_end)355            if is_night and cost_rate > 0 and state.stage == "RUNNING":356                # Only pause if not in protected list357                protected = ["Cydonia-24B-Chat", "Qwen3.5-27B-Claude-4.6-Opus-Reasoning-Distilled"]358                if not any(p in repo_id for p in protected):359                    try:360                        self.api.pause_space(repo_id)361                        saved.append("night-pause")362                    except Exception:363                        pass364 365        if saved:366            print(f"[Healer] 💰 {repo_id}: {', '.join(saved)}")367 368    # ── Reporting ───────────────────────────────────────────────────────────369 370    def generate_report(self) -> Dict:371        """Generate health and cost report."""372        report = {373            "generated_at": datetime.utcnow().isoformat(),374            "spaces": [],375            "total_estimated_daily_cost": 0.0,376            "actions_today": len(self.fix_log),377            "fix_log": self.fix_log[-50:],  # last 50 actions378        }379 380        for repo_id, state in self.state_cache.items():381            report["spaces"].append(asdict(state))382            report["total_estimated_daily_cost"] += state.estimated_cost_today383 384        return report385 386    def print_report(self):387        """Print formatted report to console."""388        report = self.generate_report()389        print("\n" + "=" * 70)390        print(f"🩺 SPACE HEALER REPORT — {report['generated_at']}")391        print("=" * 70)392        print(f"\n💰 Total estimated daily cost: ${report['total_estimated_daily_cost']:.2f}")393        print(f"🔧 Auto-heal actions today: {report['actions_today']}\n")394 395        for s in report["spaces"]:396            status_emoji = "🟢" if s['stage'] == "RUNNING" else "🔴" if s['stage'] in ("RUNTIME_ERROR", "BUILD_ERROR") else "🟡"397            print(f"{status_emoji} {s['repo_id']}")398            print(f"   Stage: {s['stage']} | HW: {s['hardware']} | Restarts/hr: {s['restart_count_1h']}")399            print(f"   Est. daily cost: ${s['estimated_cost_today']:.2f}")400            if s['error_message']:401                print(f"   Error: {s['error_message'][:120]}...")402            print()403 404        if report["fix_log"]:405            print("Recent heal actions:")406            for a in report["fix_log"][-5:]:407                emoji = "✅" if a["executed"] else "⏸️"408                print(f"   {emoji} [{a['timestamp'][:19]}] {a['repo_id']}: {a['action']} → {a['result']}")409        print("=" * 70 + "\n")410 411    # ── Main Loop ───────────────────────────────────────────────────────────412 413    def run_cycle(self, spaces: Optional[List[str]] = None):414        """Run one monitoring/healing cycle."""415        if spaces is None:416            spaces = self.discover_spaces()417 418        print(f"[Healer] 🔍 Checking {len(spaces)} spaces at {datetime.utcnow().isoformat()}")419 420        for repo_id in spaces:421            state, action = self.check_space(repo_id)422 423            if action and action.executed:424                print(f"[Healer] 🔧 {repo_id}: {action.action} → {action.result}")425            elif action:426                print(f"[Healer] ⏸️ {repo_id}: {action.action} — {action.result}")427            else:428                print(f"[Healer] 🟢 {repo_id}: {state.stage}")429 430            # Cost optimization pass431            self.optimize_costs(repo_id)432 433    def run_daemon(self, spaces: Optional[List[str]] = None):434        """Run continuous monitoring loop."""435        print("[Healer] 🤖 Autonomous self-healing daemon started")436        print(f"[Healer] Poll interval: {HEALER_CONFIG['poll_interval_seconds']}s")437 438        while True:439            try:440                self.run_cycle(spaces)441                self.print_report()442            except Exception as e:443                print(f"[Healer] ❌ Cycle error: {e}")444                traceback.print_exc()445 446            time.sleep(HEALER_CONFIG["poll_interval_seconds"])447 448 449# ─── CLI ─────────────────────────────────────────────────────────────────────450 451def main():452    parser = argparse.ArgumentParser(description="Autonomous Space Self-Healer")453    parser.add_argument("--daemon", action="store_true", help="Run continuous monitoring")454    parser.add_argument("--once", action="store_true", help="Single check cycle")455    parser.add_argument("--space", help="Check specific space only")456    parser.add_argument("--report", action="store_true", help="Generate report")457    parser.add_argument("--discover", default="ScottzillaSystems", help="Namespace to discover")458    args = parser.parse_args()459 460    healer = SpaceHealer()461 462    if args.space:463        state, action = healer.check_space(args.space)464        healer.print_report()465    elif args.report:466        healer.print_report()467    elif args.once:468        spaces = healer.discover_spaces(args.discover)469        healer.run_cycle(spaces)470        healer.print_report()471    elif args.daemon:472        spaces = healer.discover_spaces(args.discover)473        healer.run_daemon(spaces)474    else:475        parser.print_help()476 477 478if __name__ == "__main__":479    main()480