Files
manage/backend/src/media_library_viewer_api/integrations/prometheus.py
T
Developer 8cdeadd6dd feat(services): backend service registry foundation (encryption, definitions, CRUD)
PR 1 of 4 for the runtime service registry change.

- Add Fernet encryption helper (services/secrets.py) with a required
  MANAGE_ENCRYPTION_KEY; validate it on startup.
- Add closed integrations/ registry with Pydantic config + widget-config
  definitions for grafana, prometheus, jellyfin, nextcloud, and ssh_tasks.
- Add services + service_task_runs tables and SettingsStore CRUD with
  cascade-delete (defensive until widgets carry service_id).
- Add /api/services/types and /api/services/instances CRUD (encrypted secrets,
  secrets_set flags only; never plaintext).
- Declare cryptography as a direct dependency.
- Require MANAGE_ENCRYPTION_KEY in compose + .env.example + README.
- Add 25 backend tests (registry, encryption, CRUD, cascade, task-run history).

Verification: ruff clean; pytest 225 passed; frontend lint/build green.
2026-06-22 12:56:03 +00:00

46 lines
1.1 KiB
Python

"""Prometheus service definition."""
from __future__ import annotations
from media_library_viewer_api.integrations.base import (
SecretField,
ServiceConfigBase,
ServiceDefinition,
WidgetConfigBase,
widget_kind,
)
class PrometheusConfig(ServiceConfigBase):
"""Non-secret Prometheus connection config."""
base_url: str
timeout_seconds: int = 10
class PrometheusMetricWidgetConfig(WidgetConfigBase):
"""A PromQL instant query rendered as a metric."""
promql: str
DEFINITION = ServiceDefinition(
service_type="prometheus",
name="Prometheus",
description="Metrics storage and PromQL queries.",
config_model=PrometheusConfig,
secret_fields=[
SecretField(key="api_key", label="API key", helper="Optional bearer token"),
],
widget_kinds=[
widget_kind(
kind="metric",
name="Metric",
description="Instant query result rendered as a metric.",
model_cls=PrometheusMetricWidgetConfig,
default_config={"promql": ""},
refresh_interval_ms=30_000,
),
],
)