100 lines
3.3 KiB
Python
100 lines
3.3 KiB
Python
from __future__ import annotations
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from functools import lru_cache
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from pydantic import Field
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from pydantic_settings import BaseSettings, SettingsConfigDict
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class Settings(BaseSettings):
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model_config = SettingsConfigDict(
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env_file=".env",
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env_file_encoding="utf-8",
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extra="ignore",
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)
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app_name: str = "otel-bi-backend"
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app_env: str = "dev"
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log_level: str = "INFO"
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api_host: str = "0.0.0.0"
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api_port: int = 8000
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cors_origins: str = "http://localhost:5173"
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# Go analytics service
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analytics_service_url: str = "http://localhost:8080"
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# PostgreSQL — write store for derived data
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postgres_host: str = "localhost"
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postgres_port: int = 5432
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postgres_database: str = "otel_bi"
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postgres_username: str = "otel_bi"
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postgres_password: str = "otel_bi"
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postgres_sslmode: str = "prefer"
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postgres_connection_string: str | None = None
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# Frontend OIDC JWT validation
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require_frontend_auth: bool = True
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frontend_jwt_issuer_url: str = ""
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frontend_jwt_audience: str = ""
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frontend_jwt_jwks_url: str | None = None
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frontend_jwt_algorithm: str = "RS256"
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frontend_required_scopes: str = ""
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frontend_clock_skew_seconds: int = Field(default=30, ge=0, le=300)
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# Frontend OIDC client config (served via /api/config)
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frontend_oidc_client_id: str = ""
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frontend_oidc_scope: str = "openid profile email"
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# OpenTelemetry
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otel_service_name: str = "otel-bi-backend"
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otel_service_namespace: str = "final-thesis"
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otel_collector_endpoint: str = "http://localhost:4318"
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otel_export_timeout_ms: int = 10000
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# Browser-reachable OTLP endpoint — served to the SPA via GET /api/config.
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# Distinct from otel_collector_endpoint, which is the backend's own
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# in-cluster collector address.
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frontend_otel_collector_endpoint: str = "/otel"
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frontend_otel_service_name: str = "otel-bi-frontend"
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frontend_otel_service_namespace: str = "final-thesis"
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frontend_deployment_environment: str = "production"
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# Report output — points at the K8s CSI / SMB mountpoint in production
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report_output_dir: str = "/tmp/otel-bi-reports"
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# Analytics defaults (forwarded to Go service as query params)
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forecast_horizon_days: int = Field(default=30, ge=7, le=180)
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default_history_days: int = Field(default=365, ge=30, le=1460)
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ranking_default_top_n: int = Field(default=10, ge=3, le=100)
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storage_default_limit: int = Field(default=50, ge=10, le=500)
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@property
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def cors_origins_list(self) -> list[str]:
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return [o.strip() for o in self.cors_origins.split(",") if o.strip()]
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@property
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def frontend_required_scopes_list(self) -> list[str]:
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return [s.strip() for s in self.frontend_required_scopes.split(" ") if s.strip()]
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@property
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def postgres_connection_url(self) -> str:
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if self.postgres_connection_string:
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return self.postgres_connection_string
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from urllib.parse import quote_plus
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user = quote_plus(self.postgres_username)
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password = quote_plus(self.postgres_password)
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return (
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f"postgresql+psycopg://{user}:{password}@{self.postgres_host}:{self.postgres_port}"
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f"/{self.postgres_database}?sslmode={self.postgres_sslmode}"
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)
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@lru_cache
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def get_settings() -> Settings:
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return Settings()
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settings = get_settings()
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