82 lines
2.5 KiB
Python
Executable File
82 lines
2.5 KiB
Python
Executable File
#
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# Copyright (c) 2015-2016 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import pecan
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import inspect
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import functools
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import webob
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from nfv_common import debug
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from nfv_vim.api import openstack
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DLOG = debug.debug_get_logger('nfv_vim.api.openstack')
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def expose_proxy_http():
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"""
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Decorator function used to proxy http functions through pecan
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"""
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def proxy_http_wrap(func):
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func.expose = True
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func._pecan = {
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'content_types': {'text/xml': 'wsmexml:',
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'application/json': 'wsmejson:',
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'application/xml': 'wsmexml:'},
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'argspec': inspect.getargspec(func),
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'template': ['wsmexml:', 'wsmexml:', 'wsmejson:'],
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'content_type': 'application/json'
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}
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def proxy_http_wrapper(*args, **kwargs):
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return func(*args, **kwargs)
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functools.update_wrapper(proxy_http_wrapper, func)
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return proxy_http_wrapper
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return proxy_http_wrap
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class HeatAPI(object):
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"""
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OpenStack Heat API
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"""
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@expose_proxy_http()
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def _openstack_heat_proxy(self):
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"""
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OpenStack Heat Proxy
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"""
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config = openstack.config_load()
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directory = openstack.get_directory(config)
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token = openstack.get_token(directory)
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url_target_index = pecan.request.url.find('/api/openstack/heat')
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url_target = pecan.request.url[url_target_index + len('/api/openstack/heat'):]
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if '' == url_target or '/' == url_target:
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url = token.get_service_url(openstack.OPENSTACK_SERVICE.HEAT,
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strip_version=True)
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url_target = '/'
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else:
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url = token.get_service_url(openstack.OPENSTACK_SERVICE.HEAT)
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(status_code, headers, response) \
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= openstack.rest_api_request(token, pecan.request.method,
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url + url_target, pecan.request.headers,
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pecan.request.body)
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if headers is not None:
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return webob.Response(body=response, headerlist=headers,
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status=status_code)
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else:
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pecan.abort(status_code=status_code, detail=response)
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@pecan.expose()
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def _route(self, args, request=None):
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"""
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Route to the appropriate sub-controller or method, in this case
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it is the http proxy method
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"""
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return self._openstack_heat_proxy, []
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