Tribh/devops-copilot

1import time2import uuid3from typing import Dict, Any, List, Optional4from devops_copilot.utils.logger import logger5 6class Trace:7    """Represents a single execution trace for a step."""8    def __init__(self, step_name: str, parent_id: Optional[str] = None):9        self.trace_id = str(uuid.uuid4())10        self.parent_id = parent_id11        self.step_name = step_name12        self.start_time = time.time()13        self.end_time: Optional[float] = None14        self.metadata: Dict[str, Any] = {}15        self.status: str = "running"16 17    def finish(self, status: str = "success", metadata: Optional[Dict[str, Any]] = None):18        self.end_time = time.time()19        self.status = status20        if metadata:21            self.metadata.update(metadata)22        duration = self.end_time - self.start_time23        logger.info(f"Trace {self.step_name} finished in {duration:.3f}s with status {self.status}")24 25class Tracer:26    """Manages execution traces (OTel-style concepts)."""27    def __init__(self):28        self.active_traces: Dict[str, Trace] = {}29 30    def start_trace(self, step_name: str, parent_id: Optional[str] = None) -> Trace:31        trace = Trace(step_name, parent_id)32        self.active_traces[trace.trace_id] = trace33        return trace34 35class DistributedRateLimiter:36    """37    Conceptual Distributed Rate Limiter.38    In a real production environment, this would interface with Redis.39    """40    def __init__(self, key: str, rpm: int = 60):41        self.key = key42        self.rpm = rpm43        # Conceptually, this would use a Redis client44        # self.redis = redis.Redis(...)45 46    async def acquire(self):47        """48        Simulates a distributed sliding window check.49        Logic: ZREMRANGEBYSCORE (key, 0, now-60) -> ZCARD (key) -> ZADD (key, now, now)50        """51        now = time.time()52        logger.debug(f"[Distributed] Checking rate limit for {self.key}")53        54        # Mocking distributed behavior55        # In a real app:56        # pipe = self.redis.pipeline()57        # pipe.zremrangebyscore(self.key, 0, now - 60)58        # pipe.zcard(self.key)59        # _, count = pipe.execute()60        61        # if count >= self.rpm:62        #     raise Exception("Rate limit exceeded")63        64        return True65 66# Global tracer instance67tracer = Tracer()68