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110 lines
2.6 KiB
Python
110 lines
2.6 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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from datetime import datetime
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from enum import Enum
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from typing import Any, Dict, Literal, Optional, Protocol, Union
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from llama_models.schema_utils import json_schema_type, webmethod
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from pydantic import BaseModel, Field
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from typing_extensions import Annotated
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@json_schema_type
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class SpanStatus(Enum):
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OK = "ok"
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ERROR = "error"
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@json_schema_type
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class Span(BaseModel):
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span_id: str
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trace_id: str
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parent_span_id: Optional[str] = None
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name: str
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start_time: datetime
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end_time: Optional[datetime] = None
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attributes: Optional[Dict[str, Any]] = Field(default_factory=dict)
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@json_schema_type
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class Trace(BaseModel):
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trace_id: str
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root_span_id: str
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start_time: datetime
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end_time: Optional[datetime] = None
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@json_schema_type
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class EventType(Enum):
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UNSTRUCTURED_LOG = "unstructured_log"
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# all structured log events below
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SPAN_START = "span_start"
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SPAN_END = "span_end"
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METRIC = "metric"
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def is_structured(self) -> bool:
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return self != EventType.UNSTRUCTURED_LOG
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@json_schema_type
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class LogSeverity(Enum):
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VERBOSE = "verbose"
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DEBUG = "debug"
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INFO = "info"
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WARN = "warn"
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ERROR = "error"
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CRITICAL = "critical"
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class EventCommon(BaseModel):
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trace_id: str
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span_id: str
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timestamp: datetime
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attributes: Optional[Dict[str, Any]] = Field(default_factory=dict)
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@json_schema_type
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class LoggingEvent(EventCommon):
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type: Literal[EventType.UNSTRUCTURED_LOG.value] = EventType.UNSTRUCTURED_LOG.value
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message: str
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severity: LogSeverity
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@json_schema_type
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class SpanStartEvent(EventCommon):
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type: Literal[EventType.SPAN_START.value] = EventType.SPAN_START.value
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name: str
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parent_span_id: Optional[str] = None
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@json_schema_type
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class SpanEndEvent(EventCommon):
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type: Literal[EventType.SPAN_END.value] = EventType.SPAN_END.value
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status: SpanStatus
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@json_schema_type
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class MetricEvent(EventCommon):
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type: Literal[EventType.METRIC.value] = EventType.METRIC.value
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metric: str # this would be an enum
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value: Union[int, float]
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unit: str
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Event = Annotated[
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Union[LoggingEvent, SpanStartEvent, SpanEndEvent],
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Field(discriminator="type"),
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]
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class Telemetry(Protocol):
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@webmethod(route="/telemetry/log_event")
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async def log_event(self, event: Event): ...
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@webmethod(route="/telemetry/get_trace", method="GET")
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async def get_trace(self, trace_id: str) -> Trace: ...
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