File size: 5,782 Bytes
a36db1b
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
from __future__ import annotations

import argparse
import json
import random
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))

from cluster_trust_env import ClusterTrustEnv


def main() -> None:
    parser = argparse.ArgumentParser(description="Run the combined GPU + trust SENTINEL environment.")
    parser.add_argument("--task", choices=["task1", "task2", "task3"], default="task3")
    parser.add_argument("--seed", type=int, default=42)
    parser.add_argument("--steps", type=int, default=20)
    parser.add_argument("--policy", choices=["trust", "blind"], default="trust")
    args = parser.parse_args()

    env = ClusterTrustEnv()
    result = env.reset(task_type=args.task, seed=args.seed)
    rng = random.Random(args.seed)

    print("=" * 100)
    print("SENTINEL COMBINED GPU + TRUST WALKTHROUGH")
    print("=" * 100)
    print(f"task={args.task} seed={args.seed} policy={args.policy}")
    print()
    print("RESET OBSERVATION - compact")
    print(json.dumps(compact_obs(result["observation"]), indent=2))
    print()
    print("HIDDEN WORKER PROFILE - builder only")
    print(json.dumps(env.state()["worker_profile_hidden"], indent=2))
    print()
    print("step | action            | reward | score | health | util  | ai-rel | jobs done | attacks det/pois | trust")
    print("-" * 132)

    for _ in range(args.steps):
        if result["done"]:
            break
        obs = result["observation"]
        action = choose_action(obs, args.policy, rng)
        result = env.step(action)
        state = env.state()
        trust = " ".join(f"{k}:{v:.2f}" for k, v in state["trust_snapshot"].items())
        print(
            f"{state['step_count']:>4} | {action['action_type'] + ':' + str(action.get('worker_id') or action.get('job_id') or ''):<17} "
            f"| {result['reward']['value']:<6.3f} | {state['score']:<5.3f} | "
            f"{state['cluster']['cluster_health_score']:<6.2f} | {state['cluster']['utilization_rate']:<5.2f} | "
            f"{state['ai_failure_coverage']['ai_reliability_modifier']:<6.2f} | "
            f"{state['jobs']['statuses']['complete']:>3}/{state['jobs']['jobs_total']:<3} | "
            f"{state['attack_detections']:>3}/{state['attack_poisonings']:<3} | {trust}"
        )
        print(f"     reason: {result['reward']['reason']}")

    print()
    print("FINAL STATE")
    print(json.dumps(env.state(), indent=2))
    print()
    print("REWARD REPORT - last 3 events")
    report = env.reward_report()
    report["events"] = report["events"][-3:]
    print(json.dumps(report, indent=2))


def choose_action(obs: dict, policy: str, rng: random.Random) -> dict:
    session_id = obs["session_id"]
    running = [job for job in obs["job_queue_summary"] if job["status"] == "running"]
    pending = [job for job in obs["job_queue_summary"] if job["status"] == "queued"]
    trust = obs["trust_snapshot"]

    if running and (obs["step_count"] % 4 == 0 or max(obs["audit_anomaly_scores"].values() or [0.0]) > 0.6):
        job = min(running, key=lambda row: row["deadline"])
        return {
            "session_id": session_id,
            "action_type": "verify",
            "job_id": job["job_id"],
        }

    if pending:
        job = min(pending, key=lambda row: row["deadline"])
        gpu = max(obs["gpu_pool"], key=lambda row: row["memory_free"])
        worker_id = select_worker(obs) if policy == "trust" else obs["available_workers"][0]
        return {
            "session_id": session_id,
            "action_type": "allocate",
            "job_id": job["job_id"],
            "gpu_id": gpu["id"],
            "worker_id": worker_id,
        }

    if running:
        job = rng.choice(running)
        return {"session_id": session_id, "action_type": "request_info", "job_id": job["job_id"]}

    return {"session_id": session_id, "action_type": "tick"}


def select_worker(obs: dict) -> str:
    fingerprints = obs["behavioral_fingerprints"]
    trust = obs["trust_snapshot"]

    def score(worker_id: str) -> float:
        calls = fingerprints[worker_id]["calls"]
        gap = fingerprints[worker_id]["confidence_accuracy_gap"]
        return trust[worker_id] + 0.25 / (1 + calls) - 0.20 * gap

    min_calls = min(fingerprints[worker_id]["calls"] for worker_id in obs["available_workers"])
    if min_calls < 2:
        under_observed = [
            worker_id for worker_id in obs["available_workers"]
            if fingerprints[worker_id]["calls"] == min_calls
        ]
        return max(under_observed, key=score)
    return max(obs["available_workers"], key=score)


def compact_obs(obs: dict) -> dict:
    return {
        "session_id": obs["session_id"],
        "task_type": obs["task_type"],
        "step_count": obs["step_count"],
        "max_steps": obs["max_steps"],
        "cluster_health": obs["cluster_health"],
        "utilization_rate": obs["utilization_rate"],
        "pending_jobs": sum(1 for job in obs["job_queue_summary"] if job["status"] == "queued"),
        "running_jobs": sum(1 for job in obs["job_queue_summary"] if job["status"] == "running"),
        "trust_snapshot": obs["trust_snapshot"],
        "audit_anomaly_scores": obs["audit_anomaly_scores"],
        "ai_failure_coverage": {
            "agent_loop_reliability": obs["ai_failure_coverage"]["agent_loop_reliability"],
            "context_memory_loss": obs["ai_failure_coverage"]["context_memory_loss"],
            "hallucination_confidence": obs["ai_failure_coverage"]["hallucination_confidence"],
            "evaluation_collapse": obs["ai_failure_coverage"]["evaluation_collapse"],
        },
        "allowed_actions": obs["allowed_actions"],
    }


if __name__ == "__main__":
    main()