/etc/nova/api-paste.ini is in nova-common 2:17.0.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Metadata #
############
[composite:metadata]
use = egg:Paste#urlmap
/: meta
[pipeline:meta]
pipeline = cors metaapp
[app:metaapp]
paste.app_factory = nova.api.metadata.handler:MetadataRequestHandler.factory
#############
# OpenStack #
#############
[composite:osapi_compute]
use = call:nova.api.openstack.urlmap:urlmap_factory
/: oscomputeversions
# v21 is an exactly feature match for v2, except it has more stringent
# input validation on the wsgi surface (prevents fuzzing early on the
# API). It also provides new features via API microversions which are
# opt into for clients. Unaware clients will receive the same frozen
# v2 API feature set, but with some relaxed validation
/v2: openstack_compute_api_v21_legacy_v2_compatible
/v2.1: openstack_compute_api_v21
[composite:openstack_compute_api_v21]
use = call:nova.api.auth:pipeline_factory_v21
noauth2 = cors http_proxy_to_wsgi compute_req_id faultwrap request_log sizelimit osprofiler noauth2 osapi_compute_app_v21
keystone = cors http_proxy_to_wsgi compute_req_id faultwrap request_log sizelimit osprofiler authtoken keystonecontext osapi_compute_app_v21
[composite:openstack_compute_api_v21_legacy_v2_compatible]
use = call:nova.api.auth:pipeline_factory_v21
noauth2 = cors http_proxy_to_wsgi compute_req_id faultwrap request_log sizelimit osprofiler noauth2 legacy_v2_compatible osapi_compute_app_v21
keystone = cors http_proxy_to_wsgi compute_req_id faultwrap request_log sizelimit osprofiler authtoken keystonecontext legacy_v2_compatible osapi_compute_app_v21
[filter:request_log]
paste.filter_factory = nova.api.openstack.requestlog:RequestLog.factory
[filter:compute_req_id]
paste.filter_factory = nova.api.compute_req_id:ComputeReqIdMiddleware.factory
[filter:faultwrap]
paste.filter_factory = nova.api.openstack:FaultWrapper.factory
[filter:noauth2]
paste.filter_factory = nova.api.openstack.auth:NoAuthMiddleware.factory
[filter:osprofiler]
paste.filter_factory = nova.profiler:WsgiMiddleware.factory
[filter:sizelimit]
paste.filter_factory = oslo_middleware:RequestBodySizeLimiter.factory
[filter:http_proxy_to_wsgi]
paste.filter_factory = oslo_middleware.http_proxy_to_wsgi:HTTPProxyToWSGI.factory
[filter:legacy_v2_compatible]
paste.filter_factory = nova.api.openstack:LegacyV2CompatibleWrapper.factory
[app:osapi_compute_app_v21]
paste.app_factory = nova.api.openstack.compute:APIRouterV21.factory
[pipeline:oscomputeversions]
pipeline = cors faultwrap request_log http_proxy_to_wsgi oscomputeversionapp
[app:oscomputeversionapp]
paste.app_factory = nova.api.openstack.compute.versions:Versions.factory
##########
# Shared #
##########
[filter:cors]
paste.filter_factory = oslo_middleware.cors:filter_factory
oslo_config_project = nova
[filter:keystonecontext]
paste.filter_factory = nova.api.auth:NovaKeystoneContext.factory
[filter:authtoken]
paste.filter_factory = keystonemiddleware.auth_token:filter_factory
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