f3b655acdf
In order to support changes in the api-paste.ini file for the keystone
middleware of the neutron-api service by subordinates we need a generic
mechanism to pass wsgi middleware data via a relation.
The following approach is used in this change:
- relation data set by subordinates:
{'extra_middleware': [{
'type': 'middleware_type',
'name': 'middleware_name',
'config': {
'setting_1': 'value_1',
'setting_2': 'value_2'}}]}
- there may be many subordinates each with their own set of middleware
all of which should be taken into account
- besides a factory method for middleware other settings can be
specified, therefore, a generic config dictionary is used
- neutron-server has to be restarted as api-paste.ini is read upon
startup of the service
- api-paste.ini rendering code is added along with a template code
containing loops over a list of middleware provided in a context to
construct the following entries:
keystone = [name-1 ... name-m] <default_middleware>
[type-1:name-1]
key-1 = value-1
...
key-n = value-n
...
[type-m:name-m]
key-1 = value-1
...
key-k = value-k
- api-paste.ini defaults are copied from their respective upstream
neutron branches
Change-Id: I9449aa2e85b1523f24acdcee11ca1f635dda47c0
38 lines
1.2 KiB
INI
38 lines
1.2 KiB
INI
[composite:neutron]
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use = egg:Paste#urlmap
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/: neutronversions
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/v2.0: neutronapi_v2_0
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[composite:neutronapi_v2_0]
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use = call:neutron.auth:pipeline_factory
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noauth = request_id catch_errors extensions neutronapiapp_v2_0
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keystone = {% for m in extra_middleware %}{{ m.name }} {% endfor %}request_id catch_errors authtoken keystonecontext extensions neutronapiapp_v2_0
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{% for m in extra_middleware -%}
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[{{ m.type }}:{{ m.name }}]
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{% for k, v in m.config.iteritems() -%}
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{{ k }} = {{ v }}
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{% endfor %}
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{% endfor -%}
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[filter:request_id]
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paste.filter_factory = neutron.openstack.common.middleware.request_id:RequestIdMiddleware.factory
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[filter:catch_errors]
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paste.filter_factory = neutron.openstack.common.middleware.catch_errors:CatchErrorsMiddleware.factory
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[filter:keystonecontext]
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paste.filter_factory = neutron.auth:NeutronKeystoneContext.factory
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[filter:authtoken]
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paste.filter_factory = keystoneclient.middleware.auth_token:filter_factory
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[filter:extensions]
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paste.filter_factory = neutron.api.extensions:plugin_aware_extension_middleware_factory
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[app:neutronversions]
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paste.app_factory = neutron.api.versions:Versions.factory
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[app:neutronapiapp_v2_0]
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paste.app_factory = neutron.api.v2.router:APIRouter.factory
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