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06b4790 77eea12 06b4790 77eea12 06b4790 849b14a 06b4790 | 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 | from __future__ import annotations
import uuid
from typing import Dict, Any, List
from models import Action, ActionType
from tasks.base import BaseTask, InternalState, StepOutput, semantic_match
INCIDENT_TIME = "2026-03-30T10:14:47Z"
SCENARIOS = [
{
"failing_service": "payment-service",
"root_cause": "memory_leak_payment_service",
"fix": "restart payment-service",
"alert_msg": "payment-service pod restarting (OOMKilled)",
"language": "java",
"diagnosis_keywords": ["memory", "oom", "heap", "leak", "outofmemory", "kill"],
},
{
"failing_service": "order-service",
"root_cause": "memory_leak_order_service",
"fix": "restart order-service",
"alert_msg": "order-service pod restarting (OOMKilled)",
"language": "python",
"diagnosis_keywords": ["memory", "oom", "heap", "leak", "segfault", "kill", "allocat"],
},
{
"failing_service": "user-service",
"root_cause": "memory_leak_user_service",
"fix": "restart user-service",
"alert_msg": "user-service pod restarting (OOMKilled)",
"language": "node",
"diagnosis_keywords": ["memory", "heap", "oom", "leak", "javascript", "kill"],
},
]
ALL_SERVICES = ["payment-service", "order-service", "user-service", "api-gateway"]
VERSIONS = {
"payment-service": "v4.2.1", "order-service": "v1.8.2",
"user-service": "v3.0.5", "api-gateway": "v2.1.0",
}
DEPENDENCIES = [
{"service": "api-gateway", "calls": ["payment-service", "order-service", "user-service"], "called_by": []},
{"service": "payment-service", "calls": [], "called_by": ["api-gateway"]},
{"service": "order-service", "calls": [], "called_by": ["api-gateway"]},
{"service": "user-service", "calls": [], "called_by": ["api-gateway"]},
]
def _make_logs(scenario, heap1, heap2, restart_count):
svc = scenario["failing_service"]
lang = scenario["language"]
if lang == "java":
failing = [
"[10:13:55] INFO Request processed 200 38ms",
f"[10:14:35] WARN Heap usage at {heap1}% - approaching threshold",
f"[10:14:41] WARN Heap usage at {heap2}%",
"[10:14:45] WARN GC overhead limit exceeded - major GC running",
"[10:14:47] ERROR java.lang.OutOfMemoryError: Java heap space",
"[10:14:47] ERROR at com.payments.ChargeProcessor.process(ChargeProcessor.java:142)",
f"[10:14:48] FATAL Service entering crash loop - pod restart #{restart_count}",
]
elif lang == "python":
failing = [
"[10:13:55] INFO POST /orders 200 55ms",
f"[10:14:35] WARN RSS memory {heap1}% of pod limit",
f"[10:14:41] WARN RSS memory {heap2}% of pod limit - approaching OOM",
"[10:14:46] ERROR Memory allocator: no more pages available",
"[10:14:47] ERROR Fatal Python error: Segmentation fault (memory allocator exhausted)",
f"[10:14:48] FATAL Pod killed by OOM killer - restart #{restart_count}",
]
else:
failing = [
"[10:13:55] INFO GET /users/profile 200 9ms",
f"[10:14:35] WARN Heap used: {heap1}% ({heap1 * 2}MB / 200MB)",
f"[10:14:41] WARN Heap used: {heap2}% - GC pressure increasing",
"[10:14:47] ERROR FATAL ERROR: Reached heap limit - JavaScript heap out of memory",
f"[10:14:48] FATAL Container OOMKilled - restart #{restart_count}",
]
logs = {svc: failing}
for name in ALL_SERVICES:
if name == svc: continue
if name == "api-gateway":
logs[name] = [
"[10:14:30] INFO GET /api/v1/health 200 3ms",
f"[10:14:48] WARN Upstream {svc} returned 503",
f"[10:14:49] WARN Circuit breaker OPEN for {svc}",
]
else:
logs[name] = ["[10:14:30] INFO Service healthy - 0 errors"]
return logs
class EasyTask(BaseTask):
def initialize(self) -> InternalState:
scenario = SCENARIOS[self.rng.randint(0, len(SCENARIOS) - 1)]
failing = scenario["failing_service"]
heap1 = self.rng.randint(74, 83)
heap2 = heap1 + self.rng.randint(5, 10)
restart_count = self.rng.randint(2, 6)
services: Dict[str, dict] = {}
for name in ALL_SERVICES:
if name == failing:
services[name] = {
"name": name, "status": "down",
"cpu_percent": round(self.rng.uniform(5, 20), 1),
"memory_percent": round(self.rng.uniform(93, 99), 1),
"error_rate": round(self.rng.uniform(8.0, 15.0), 2),
"latency_p99_ms": round(self.rng.uniform(5000, 9000), 0),
"replicas_running": 0, "replicas_desired": 3,
"current_version": VERSIONS[name],
"last_deployed": "2026-03-28T14:00:00Z",
"minutes_degraded": 0, "sla_breach": False,
}
elif name == "api-gateway":
services[name] = {
"name": name, "status": "degraded",
"cpu_percent": round(self.rng.uniform(35, 55), 1),
"memory_percent": round(self.rng.uniform(40, 55), 1),
"error_rate": round(self.rng.uniform(2.0, 5.0), 2),
"latency_p99_ms": round(self.rng.uniform(800, 1500), 0),
"replicas_running": 2, "replicas_desired": 2,
"current_version": VERSIONS[name],
"last_deployed": "2026-03-25T09:00:00Z",
"minutes_degraded": 0, "sla_breach": False,
}
else:
services[name] = {
"name": name, "status": "healthy",
"cpu_percent": round(self.rng.uniform(20, 40), 1),
"memory_percent": round(self.rng.uniform(30, 48), 1),
"error_rate": 0.0,
"latency_p99_ms": round(self.rng.uniform(8, 30), 0),
"replicas_running": 2, "replicas_desired": 2,
"current_version": VERSIONS[name],
"last_deployed": "2026-03-20T11:00:00Z",
"minutes_degraded": 0, "sla_breach": False,
}
alerts = [
{
"id": "A001", "severity": "critical", "service": failing,
"message": f"{scenario['alert_msg']} - {restart_count} times in 5 minutes",
"timestamp": "2026-03-30T10:14:48Z", "acknowledged": False,
},
{
"id": "A002", "severity": "warning", "service": "api-gateway",
"message": f"Upstream {failing} returning 503 - circuit breaker open",
"timestamp": "2026-03-30T10:14:52Z", "acknowledged": False,
},
]
state = InternalState(
episode_id=str(uuid.uuid4()), task_id="easy", step=0, max_steps=15,
services=services, alerts=alerts,
logs=_make_logs(scenario, heap1, heap2, restart_count),
action_history=[], total_reward=0.0, incident_resolved=False,
ground_truth_root_cause=scenario["root_cause"],
ground_truth_fix=scenario["fix"],
incident_start_time=INCIDENT_TIME,
healthy_services=[s for s in ALL_SERVICES if s != failing],
service_dependencies=DEPENDENCIES,
)
state._scenario = scenario
return state
def step(self, state: InternalState, action: Action) -> StepOutput:
state.step += 1
state._apply_sla_degradation()
at = action.action_type
svc = action.service or ""
scenario = state._scenario
failing = scenario["failing_service"]
keywords = scenario["diagnosis_keywords"]
reward = 0.0
done = False
info: Dict[str, Any] = {}
result_text, error_text = self._apply_action_to_logs(state, action)
if at in (ActionType.READ_LOGS, ActionType.SEARCH_LOGS) and svc == failing:
if "logs_investigated" not in state.rewards_given:
reward += 0.15
state.rewards_given.add("logs_investigated")
if at == ActionType.READ_METRICS and svc == failing:
if "read_metrics" not in state.rewards_given:
reward += 0.10
state.rewards_given.add("read_metrics")
if at == ActionType.READ_RUNBOOK:
if "runbook" not in state.rewards_given:
reward += 0.05
state.rewards_given.add("runbook")
if at == ActionType.DIAGNOSE:
rc = action.root_cause or ""
correct_type = semantic_match(rc, keywords, threshold=1)
correct_svc = semantic_match(rc, [failing, failing.split("-")[0]])
result_text = f"Diagnosis recorded: {rc}"
if correct_type and correct_svc:
if "diagnose_correct" not in state.rewards_given:
# Give full reward, remove partial if already given
bonus = 0.30 if "diagnose_partial" not in state.rewards_given else 0.15
reward += bonus
state.rewards_given.add("diagnose_correct")
elif correct_type:
if "diagnose_partial" not in state.rewards_given and "diagnose_correct" not in state.rewards_given:
reward += 0.15
state.rewards_given.add("diagnose_partial")
if at == ActionType.RESTART_SERVICE:
blind_penalty = self._penalty_blind_remediation(state, action, "restarted")
reward += blind_penalty
if svc == failing:
reward += 0.40
state.services[svc]["status"] = "healthy"
state.services[svc]["memory_percent"] = round(self.rng.uniform(38, 48), 1)
state.services[svc]["error_rate"] = 0.0
state.services[svc]["latency_p99_ms"] = round(self.rng.uniform(20, 60), 0)
state.services[svc]["replicas_running"] = state.services[svc]["replicas_desired"]
state.alerts = [a for a in state.alerts if a["id"] != "A001"]
state.incident_resolved = True
result_text = f"{svc} restarted. Memory cleared. All pods healthy."
done = True
info["resolution"] = "incident_resolved"
elif svc in state.healthy_services:
reward -= 0.10
error_text = f"Collateral damage: {svc} was healthy. Unnecessary restart."
if at == ActionType.NOOP and state.step > 3:
reward -= 0.04
if at in (ActionType.BLOCK_IP_RANGE, ActionType.CREATE_INDEX, ActionType.FAILOVER) or str(at) in ("block_ip_range", "create_index", "failover"):
reward -= 0.10
error_text = f"Action {at} is not applicable to this incident."
state.total_reward = self._clamp(state.total_reward + reward)
if state.step >= state.max_steps and not done:
done = True
info["reason"] = "max_steps_reached"
obs = state._build_observation(last_action_result=result_text, last_action_error=error_text)
state.action_history.append({"step": state.step, "action": action.model_dump(), "reward": round(reward, 4)})
return StepOutput(next_state=state, reward=round(reward, 4), done=done, info=info)
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