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FabledSteward/plugins/docker/__init__.py
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bvandeusen c8b6719b37
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feat(ui): plugin get_nav() hook → sidebar Infrastructure links (slice 2)
Plugin UIs had no nav home (only dashboard widgets / typed URLs). Add an
optional get_nav() plugin export and surface it in the sidebar.

- plugin_manager: _PLUGIN_NAV registry + get_plugin_nav() getter + a tolerant
  _collect_plugin_nav() (missing hook = fine; raising/malformed = logged &
  skipped; idempotent per plugin so hot-reload re-runs cleanly). Collected in
  both the startup load path and the hot-reload path.
- app.py: inject plugin_nav into the template context, filtered to enabled
  plugins so a hot-disabled plugin's link can't linger before restart.
- base.html: render plugin links under the Infrastructure group, with the same
  request.path active-state treatment as core links.
- docker/snmp/unifi/traefik: each exports get_nav() → its /plugins/<name>/ view.
- Tests: collector behavior (collect, missing hook, reload-replace, malformed
  item, raising hook, sorted output).

With docker enabled, "Docker" now appears under Infrastructure → its fleet view.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016Jg27rgypiW2efULXJDtMC
2026-06-19 18:00:12 -04:00

55 lines
2.0 KiB
Python

# plugins/docker/__init__.py
from __future__ import annotations
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from quart import Quart
_app: "Quart | None" = None
def setup(app: "Quart") -> None:
global _app
_app = app
from .models import DockerContainer, DockerMetric # noqa: F401 — register with Base
# Publish the per-host persist hook so the host agent can hand off the
# `docker` array from each sample without importing our models (opportunistic
# synergy — host_agent gates on has_capability and no-ops if we're disabled).
# required_role=viewer: this is a trusted server-side data-plane write driven
# by the authenticated agent ingest, not a user-facing privileged action.
from steward.core.capabilities import register_capability
from steward.models.users import UserRole
from .ingest import persist_host_docker
from .retention import run_docker_retention
register_capability(
"docker.persist_host_samples", persist_host_docker,
label="Persist host Docker samples",
description="Store per-host container state + metrics pushed by the host agent.",
required_role=UserRole.viewer,
)
# Roll up + prune Docker time-series, driven by the core cleanup task without
# it importing our models. Same trusted server-side data-plane role as above.
register_capability(
"docker.run_retention", run_docker_retention,
label="Run Docker retention",
description="Roll up old docker_metrics to hourly + prune stale metrics/events.",
required_role=UserRole.viewer,
)
def get_scheduled_tasks() -> list:
# Collection is now agent-driven (pushed to the host_agent ingest); the
# central socket scrape was removed. No periodic task to register.
return []
def get_blueprint():
from .routes import docker_bp
return docker_bp
def get_nav() -> list[dict]:
# Surfaces in the sidebar's Infrastructure group (fleet-wide container view).
return [{"label": "Docker", "href": "/plugins/docker/"}]