Add auto swagger code for instantiate_vnf

Change-Id: Ied422c9d0b33cecfe6ca63238fc8247141d7156d
Issue-ID: VFC-737
Signed-off-by: Olivia2047 <zhan.jie1@zte.com.cn>

5 files changed, 142 insertions, 9 deletions

diff --git a/gvnfmadapter/driver/interfaces/serializers.py b/gvnfmadapter/driver/interfaces/serializers.py
new file mode 100644
index 0000000..4c0916a
--- /dev/null
+++ b/gvnfmadapter/driver/interfaces/serializers.py
@@ -0,0 +1,57 @@
+# Copyright 2018 ZTE Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from rest_framework import serializers
+
+
+class AdditionalParams(serializers.Serializer):
+    sdncontroller = serializers.CharField(help_text="sdncontroller", required=False)
+    NatIpRange = serializers.CharField(help_text="NatIpRange", required=False)
+    m6000_mng_ip = serializers.CharField(help_text="m6000_mng_ip", required=False)
+    externalPluginManageNetworkName = serializers.CharField(help_text="externalPluginManageNetworkName", required=False)
+    location = serializers.CharField(help_text="location", required=False)
+    externalManageNetworkName = serializers.CharField(help_text="externalManageNetworkName", required=False)
+    sfc_data_network = serializers.CharField(help_text="sfc_data_network", required=False)
+    externalDataNetworkName = serializers.CharField(help_text="externalDataNetworkName", required=False)
+    inputs = serializers.DictField(
+        help_text="inputs",
+        child=serializers.CharField(help_text="but i needed to test these 2 fields somehow", allow_blank=True),
+        required=False,
+        allow_null=True
+    )
+
+
+class VnfRequestParamsSerializer(serializers.Serializer):
+    vnfDescriptorId = serializers.CharField(
+        help_text="Identifier that identifies the VNFD which defines the VNF instance to be created.",
+        required=True
+    )
+    vnfInstanceName = serializers.CharField(
+        help_text="Human-readable name of the VNF instance to be created.", required=True)
+    vnfInstanceDescription = serializers.CharField(
+        help_text="Human-readable description of the VNF instance to be created.", required=False)
+    additionalParam = AdditionalParams(
+        help_text="Additional input parameters for the instantiation process,"
+                  " specific to the VNF being instantiated.",
+        required=True
+    )
+
+
+class ResponseSerializer(serializers.Serializer):
+    vnfInstanceId = serializers.CharField(help_text="VNF instance identifier", required=True)
+    jobId = serializers.CharField(help_text="Job ID", required=True)
+
+
+class ErrorSerializer(serializers.Serializer):
+    error = serializers.CharField(help_text="error message", required=True)
diff --git a/gvnfmadapter/driver/interfaces/views.py b/gvnfmadapter/driver/interfaces/views.py
index de7d496..609d6ba 100644
--- a/gvnfmadapter/driver/interfaces/views.py
+++ b/gvnfmadapter/driver/interfaces/views.py
@@ -18,6 +18,7 @@ import logging
 import time
 import traceback
 
+from drf_yasg.utils import swagger_auto_schema
 from rest_framework import status
 from rest_framework.decorators import api_view
 from rest_framework.response import Response
@@ -25,19 +26,31 @@ from rest_framework.response import Response
 from driver.pub.exceptions import GvnfmDriverException
 from driver.pub.utils import restcall
 from driver.pub.utils.restcall import req_by_msb
+from driver.interfaces.serializers import VnfRequestParamsSerializer, ResponseSerializer, ErrorSerializer
 
 logger = logging.getLogger(__name__)
 
 
+@swagger_auto_schema(method='post',
+                     request_body=VnfRequestParamsSerializer(),
+                     responses={
+                         status.HTTP_201_CREATED: ResponseSerializer(),
+                         status.HTTP_500_INTERNAL_SERVER_ERROR: ErrorSerializer()})
 @api_view(http_method_names=['POST'])
 def instantiate_vnf(request, *args, **kwargs):
     try:
         logger.debug("instantiate_vnf--post::> %s" % request.data)
         logger.debug("Create vnf begin!")
+        requestSerializer = VnfRequestParamsSerializer(data=request.data)
+        request_isValid = requestSerializer.is_valid()
+        if not request_isValid:
+            raise Exception(requestSerializer.errors)
+
+        requestData = requestSerializer.data
         input_data = {
-            "vnfdId": ignorcase_get(request.data, "vnfDescriptorId"),
-            "vnfInstanceName": ignorcase_get(request.data, "vnfInstanceName"),
-            "vnfInstanceDescription": ignorcase_get(request.data, "vnfInstanceDescription")
+            "vnfdId": ignorcase_get(requestData, "vnfDescriptorId"),
+            "vnfInstanceName": ignorcase_get(requestData, "vnfInstanceName"),
+            "vnfInstanceDescription": ignorcase_get(requestData, "vnfInstanceDescription")
         }
         vnfm_id = ignorcase_get(kwargs, "vnfmid")
         logger.debug("do_createvnf: request data=[%s],input_data=[%s],vnfm_id=[%s]", request.data, input_data, vnfm_id)
@@ -48,9 +61,9 @@ def instantiate_vnf(request, *args, **kwargs):
         logger.debug("Instantiate vnf start!")
         vnfInstanceId = resp["vnfInstanceId"]
         input_data = {
-            "flavourId": ignorcase_get(request.data, "flavourId"),
-            "extVirtualLinks": ignorcase_get(request.data, "extVirtualLink"),
-            "additionalParams": ignorcase_get(request.data, "additionalParam")
+            "flavourId": ignorcase_get(requestData, "flavourId"),
+            "extVirtualLinks": ignorcase_get(requestData, "extVirtualLink"),
+            "additionalParams": ignorcase_get(requestData, "additionalParam")
         }
         logger.debug("do_instvnf: vnfInstanceId=[%s],request data=[%s],input_data=[%s],vnfm_id=[%s]",
                      vnfInstanceId, request.data, input_data, vnfm_id)
diff --git a/gvnfmadapter/driver/settings.py b/gvnfmadapter/driver/settings.py
index bf49cf9..d1599e1 100644
--- a/gvnfmadapter/driver/settings.py
+++ b/gvnfmadapter/driver/settings.py
@@ -40,7 +40,8 @@ INSTALLED_APPS = [
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'rest_framework',
-    'driver.interfaces'
+    'driver.interfaces',
+    'drf_yasg'
 ]
 
 MIDDLEWARE_CLASSES = [
@@ -68,6 +69,29 @@ REST_FRAMEWORK = {
         'rest_framework.parsers.JSONParser')
 }
 
+# drf-yasg
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+SWAGGER_SETTINGS = {
+    'LOGIN_URL': '/admin/login',
+    'LOGOUT_URL': '/admin/logout',
+    'DEFAULT_INFO': 'driver.swagger.urls.swagger_info'
+}
+
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
diff --git a/gvnfmadapter/driver/swagger/urls.py b/gvnfmadapter/driver/swagger/urls.py
index 5e8dec7..6c5a4e4 100644
--- a/gvnfmadapter/driver/swagger/urls.py
+++ b/gvnfmadapter/driver/swagger/urls.py
@@ -15,6 +15,38 @@
 from django.conf.urls import url
 from driver.swagger import views
 
+from drf_yasg import openapi
+from drf_yasg.views import get_schema_view
+from rest_framework import permissions
+
+swagger_info = openapi.Info(
+    title="vnfmgr API",
+    default_version='v1',
+    description="""
+
+The `swagger-ui` view can be found [here](/api/gvnfmdriver/v1/cached/swagger).
+The `ReDoc` view can be found [here](/api/gvnfmdriver/v1/redoc).
+The swagger YAML document can be found [here](/api/gvnfmdriver/v1/cached/swagger.yaml)."""
+)
+
+SchemaView = get_schema_view(
+    validators=['ssv', 'flex'],
+    public=True,
+    permission_classes=(permissions.AllowAny,),
+)
+
 urlpatterns = [
     url(r'^api/gvnfmdriver/v1/swagger.json$', views.SwaggerView.as_view()),
+    url(r'^api/gvnfmdriver/v1/swagger(?P<format>.json|.yaml)$', SchemaView.without_ui(cache_timeout=0),
+        name='schema-json'),
+    url(r'^api/gvnfmdriver/v1/swagger/$', SchemaView.with_ui('swagger', cache_timeout=0),
+        name='schema-swagger-ui'),
+    url(r'^api/gvnfmdriver/v1/redoc/$', SchemaView.with_ui('redoc', cache_timeout=0), name='schema-redoc'),
+    url(r'^api/gvnfmdriver/v1/cached/swagger(?P<format>.json|.yaml)$', SchemaView.without_ui(cache_timeout=None),
+        name='cschema-json'),
+    url(r'^api/gvnfmdriver/v1/cached/swagger/$', SchemaView.with_ui('swagger', cache_timeout=None),
+        name='cschema-swagger-ui'),
+    url(r'^api/gvnfmdriver/v1/cached/redoc/$', SchemaView.with_ui('redoc', cache_timeout=None),
+        name='cschema-redoc'),
+
 ]
diff --git a/gvnfmadapter/requirements.txt b/gvnfmadapter/requirements.txt
index 49f0e42..6458169 100644
--- a/gvnfmadapter/requirements.txt
+++ b/gvnfmadapter/requirements.txt
@@ -1,6 +1,6 @@
 # rest framework
-Django==1.9.6
-djangorestframework==3.3.3
+Django==1.11.9
+djangorestframework==3.7.7
 
 # for call rest api
 httplib2==0.9.2
@@ -9,3 +9,10 @@ httplib2==0.9.2
 coverage==4.2
 mock==2.0.0
 unittest_xml_reporting==1.12.0
+
+# for auto swagger
+drf-yasg>=1.2.2
+
+# for the validation feature
+flex>=6.11.1
+swagger-spec-validator>=2.1.0