add api&web services for cvp

JIRA: DOVETAIL-512

add api&web services for cvp

Change-Id: I9ef9525e980fe61dc3108035ef9a3ff8783b2697
Signed-off-by: grakiss <grakiss.wanglei@huawei.com>

1 files changed, 134 insertions, 0 deletions

diff --git a/cvp/opnfv_testapi/tornado_swagger/views.py b/cvp/opnfv_testapi/tornado_swagger/views.py
new file mode 100644
index 00000000..79399970
--- /dev/null
+++ b/cvp/opnfv_testapi/tornado_swagger/views.py
@@ -0,0 +1,134 @@
+##############################################################################
+# Copyright (c) 2016 ZTE Corporation
+# feng.xiaowei@zte.com.cn
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+import inspect
+import json
+
+import tornado.template
+import tornado.web
+
+from opnfv_testapi.tornado_swagger import settings
+
+
+def json_dumps(obj, pretty=False):
+    return json.dumps(obj,
+                      sort_keys=True,
+                      indent=4,
+                      separators=(',', ': ')) if pretty else json.dumps(obj)
+
+
+class SwaggerUIHandler(tornado.web.RequestHandler):
+    def initialize(self, **kwargs):
+        self.static_path = kwargs.get('static_path')
+        self.base_url = kwargs.get('base_url')
+
+    def get_template_path(self):
+        return self.static_path
+
+    def get(self):
+        resource_url = self.reverse_url(settings.RESOURCE_LISTING_NAME)
+        discovery_url = self.base_url + resource_url
+        self.render('swagger/index.html', discovery_url=discovery_url)
+
+
+class SwaggerResourcesHandler(tornado.web.RequestHandler):
+    def initialize(self, **kwargs):
+        self.api_version = kwargs.get('api_version')
+        self.swagger_version = kwargs.get('swagger_version')
+        self.base_url = kwargs.get('base_url')
+        self.exclude_namespaces = kwargs.get('exclude_namespaces')
+
+    def get(self):
+        self.set_header('content-type', 'application/json')
+        resources = {
+            'apiVersion': self.api_version,
+            'swaggerVersion': self.swagger_version,
+            'basePath': self.base_url,
+            'apis': [{
+                'path': self.reverse_url(settings.API_DECLARATION_NAME),
+                'description': 'Restful APIs Specification'
+            }]
+        }
+
+        self.finish(json_dumps(resources, self.get_arguments('pretty')))
+
+
+class SwaggerApiHandler(tornado.web.RequestHandler):
+    def initialize(self, **kwargs):
+        self.api_version = kwargs.get('api_version')
+        self.swagger_version = kwargs.get('swagger_version')
+        self.base_url = kwargs.get('base_url')
+
+    def get(self):
+        self.set_header('content-type', 'application/json')
+        apis = self.find_api(self.application.handlers)
+        if apis is None:
+            raise tornado.web.HTTPError(404)
+
+        specs = {
+            'apiVersion': self.api_version,
+            'swaggerVersion': self.swagger_version,
+            'basePath': self.base_url,
+            'resourcePath': '/',
+            'produces': ["application/json"],
+            'apis': [self.__get_api_spec__(path, spec, operations)
+                     for path, spec, operations in apis],
+            'models': self.__get_models_spec(settings.models)
+        }
+        self.finish(json_dumps(specs, self.get_arguments('pretty')))
+
+    def __get_models_spec(self, models):
+        models_spec = {}
+        for model in models:
+            models_spec.setdefault(model.id, self.__get_model_spec(model))
+        return models_spec
+
+    @staticmethod
+    def __get_model_spec(model):
+        return {
+            'description': model.summary,
+            'id': model.id,
+            'notes': model.notes,
+            'properties': model.properties,
+            'required': model.required
+        }
+
+    @staticmethod
+    def __get_api_spec__(path, spec, operations):
+        return {
+            'path': path,
+            'description': spec.handler_class.__doc__,
+            'operations': [{
+                'httpMethod': api.func.__name__.upper(),
+                'nickname': api.nickname,
+                'parameters': api.params.values(),
+                'summary': api.summary,
+                'notes': api.notes,
+                'responseClass': api.responseClass,
+                'responseMessages': api.responseMessages,
+            } for api in operations]
+        }
+
+    @staticmethod
+    def find_api(host_handlers):
+        def get_path(url, args):
+            return url % tuple(['{%s}' % arg for arg in args])
+
+        def get_operations(cls):
+            return [member.rest_api
+                    for (_, member) in inspect.getmembers(cls)
+                    if hasattr(member, 'rest_api')]
+
+        for host, handlers in host_handlers:
+            for spec in handlers:
+                for (_, mbr) in inspect.getmembers(spec.handler_class):
+                    if inspect.ismethod(mbr) and hasattr(mbr, 'rest_api'):
+                        path = get_path(spec._path, mbr.rest_api.func_args)
+                        operations = get_operations(spec.handler_class)
+                        yield path, spec, operations
+                        break