inecs
6033967e6a
Ship Keystone auth, multi-service handlers (Yoga→Dalmatian), Compose/Helm packaging, API contract packs, and pytest/Pulumi coverage labs.
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
"""Mount OpenStack service routers onto the FastAPI application."""
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from __future__ import annotations
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from fastapi import FastAPI
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from app.openstack.contract_loader import ensure_loaded, load_series_pack
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from app.openstack.dispatch import ServiceDispatchMiddleware, ServiceStateMiddleware
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from app.openstack.engine import mount_generic_services
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from app.openstack.errors import OpenStackError, openstack_error_handler
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from app.openstack.microversions import MicroversionMiddleware
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from app.openstack.registry import HandlerRegistry, register_specialized_handlers
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from app.openstack.routes import (
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cinder,
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glance,
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heat,
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ironic,
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keystone,
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neutron,
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nova,
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octavia,
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placement,
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root,
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swift,
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)
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from app.openstack.schema_engine import mount_schema_services
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# Specialized routers provide stateful handlers; contract packs register every
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# path. Legacy generic engine remains as a final fallback for undeclared services.
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_SPECIALIZED_ROUTERS: list[tuple[str, object]] = [
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("keystone", keystone.router),
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("nova", nova.router),
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("neutron", neutron.router),
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("glance", glance.router),
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("cinder", cinder.router),
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("placement", placement.router),
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("heat", heat.router),
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("swift", swift.router),
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("ironic", ironic.router),
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("octavia", octavia.router),
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]
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def build_openstack_handlers() -> HandlerRegistry:
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"""Collect stateful handlers from specialized routers into a registry."""
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registry = HandlerRegistry()
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for name, router in _SPECIALIZED_ROUTERS:
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register_specialized_handlers(registry, name, router) # type: ignore[arg-type]
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return registry
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def mount_openstack_routes(app: FastAPI, *, series: str = "dalmatian") -> None:
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"""Register all OpenStack Identity + IaaS + schema-complete APIs."""
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app.add_exception_handler(OpenStackError, openstack_error_handler)
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# Order matters: last added = outermost. Dispatch must be outermost so
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# rewritten paths reach routers; microversions see original headers.
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app.add_middleware(MicroversionMiddleware)
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app.add_middleware(ServiceStateMiddleware)
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app.add_middleware(ServiceDispatchMiddleware)
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# Port-aware version discovery stays on bare "/".
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app.include_router(root.router)
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# Contract is the sole path source; specialized routers contribute handlers only.
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handlers = build_openstack_handlers()
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ensure_loaded(series)
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mounted = mount_schema_services(app, series=series, handlers=handlers)
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app.state.openstack_schema_ops = mounted
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app.state.openstack_handlers = handlers
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# Legacy generic CRUD only for services without a schema pack (avoid
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# /{item_id} stealing /detail and other static schema paths).
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schema_services = set(load_series_pack(series).keys())
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mount_generic_services(app, skip=schema_services)
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