sdn controllers: list, create, show

[osm/LW-UI.git] / sdnctrlhandler / views.py

diff --git a/sdnctrlhandler/views.py b/sdnctrlhandler/views.py
new file mode 100644 (file)
index 0000000..0cd6692
--- /dev/null
+++ b/sdnctrlhandler/views.py
@@ -0,0 +1,89 @@
+#
+#   Copyright 2018 CNIT - Consorzio Nazionale Interuniversitario per le Telecomunicazioni
+#
+#   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  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 django.shortcuts import render, redirect
+from django.contrib.auth.decorators import login_required
+from django.http import JsonResponse
+from lib.osm.osmclient.client import Client
+import logging
+
+logging.basicConfig(level=logging.DEBUG)
+log = logging.getLogger('view.py')
+
+
+@login_required
+def list(request, project_id):
+    client = Client()
+    result = client.sdn_list()
+
+    result = {
+        'project_id': project_id,
+        'sdns': result
+    }
+    return __response_handler(request, result, 'sdn_list.html')
+
+
+@login_required
+def create(request, project_id):
+    result = {'project_id': project_id}
+    if request.method == 'GET':
+        return __response_handler(request, result, 'sdn_create.html')
+    else:
+        new_sdn_dict = request.POST.dict()
+        client = Client()
+        keys = ["name",
+                "type",
+                "version",
+                "dpid",
+                "ip",
+                "port",
+                "user",
+                "password"]
+        sdn_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, new_sdn_dict.items()))
+        sdn_data['port'] = int(sdn_data['port'])
+
+        result = client.sdn_create(sdn_data)
+
+        return __response_handler(request, result, 'projects:sdns:list', to_redirect=True, project_id=project_id)
+
+
+@login_required
+def delete(request, project_id, sdn_id=None):
+    try:
+        client = Client()
+        del_res = client.sdn_delete(sdn_id)
+    except Exception as e:
+        log.exception(e)
+    return __response_handler(request, {}, 'projects:sdns:list', to_redirect=True, project_id=project_id)
+
+
+@login_required
+def show(request, project_id, sdn_id=None):
+    client = Client()
+    datacenter = client.sdn_get(sdn_id)
+    return __response_handler(request, {
+        "sdn": datacenter
+    }, project_id=project_id)
+
+
+def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
+    raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
+    if 'application/json' in raw_content_types:
+        return JsonResponse(data_res)
+    elif to_redirect:
+        return redirect(url, *args, **kwargs)
+    else:
+        return render(request, url, data_res)