new django app descriptionhandler

Change-Id: I0d7bdece62413ad1a9aa30c64fbd9f785705dc8e
Signed-off-by: lombardofr <lombardo@everyup.it>
diff --git a/.gitignore b/.gitignore
index da69467..6672790 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,6 +46,7 @@
 
 #migrations
 projecthandler/migrations/
+descriptorhandler/migrations/
 instancehandler/migrations
 sdnctrlhandler/migrations
 authosm/migrations
diff --git a/descriptorhandler/__init__.py b/descriptorhandler/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/descriptorhandler/__init__.py
diff --git a/descriptorhandler/apps.py b/descriptorhandler/apps.py
new file mode 100644
index 0000000..9d952fc
--- /dev/null
+++ b/descriptorhandler/apps.py
@@ -0,0 +1,23 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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 __future__ import unicode_literals
+
+from django.apps import AppConfig
+
+
+class DescriptorhandlerConfig(AppConfig):
+    name = 'descriptorhandler'
diff --git a/descriptorhandler/models.py b/descriptorhandler/models.py
new file mode 100644
index 0000000..ed2a5ae
--- /dev/null
+++ b/descriptorhandler/models.py
@@ -0,0 +1,21 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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 __future__ import unicode_literals
+
+from django.db import models
+
+# Create your models here.
diff --git a/descriptorhandler/template/composer.html b/descriptorhandler/template/composer.html
new file mode 100644
index 0000000..cad68fa
--- /dev/null
+++ b/descriptorhandler/template/composer.html
@@ -0,0 +1,80 @@
+{% extends "base.html" %}
+{% load get %}
+{% load staticfiles %}
+
+
+
+{% block head_block %}
+    {{ block.super }}
+
+<!-- TopologyComposer D3 -->
+    <link rel="stylesheet" href="/static/TopologyComposer/css/composer.css">
+    <link rel="stylesheet" href="/static/TopologyComposer/css/d3-context-menu.css">
+
+
+{% endblock %}
+{% block title_header_big %}
+    {{ block.super }}
+{% endblock %}
+{% block left_sidebar %}
+    {% include 'osm/osm_project_left_sidebar.html' %}
+{% endblock %}
+
+
+{% block breadcrumb_body %}
+    {{ block.super }}
+    {% comment %}<li><a href="{% url 'projects:descriptors:list_descriptors'  type=type %}">{{ type|upper }} Descriptors</a></li>
+    <li><a href="#"><i class="fa fa-sitemap"></i> {{ type|upper }} Topology</a></li>{% endcomment %}
+{% endblock %}
+
+{% block content_body %}
+    {{ block.super }}
+    {% csrf_token %}
+    <div class="container-fluid">
+        <div id="main" class="row">
+            <div id="leftside">
+
+            </div>
+            <div id="graph_editor_container" class="col">
+                <div class="btn-group left-tool-bar-monitoring">
+                    <button id="topology_force" type="button" class="btn btn btn-default" onclick="handleForce(this)"
+                            data-toggle="button" aria-pressed="false" autocomplete="off"><i
+                            class="fas fa-thumbtack"></i></button>
+                    <button id="reset_filter" type="button" class="btn btn btn-default" onclick="resetFilters(this)"><i
+                            class="fa fa-backward"></i></button>
+                </div>
+                <div id="legenda">
+                </div>
+            </div>
+            <div id="side">
+
+            </div>
+        </div>
+    </div>
+
+{% endblock %}
+
+{% block resource_block %}
+    {{ block.super }}
+    <script>
+        var topology_data = {};//{{topology_data|safe }};
+    </script>
+    <!-- d3.js -->
+    <script src="/static/bower_components/d3/d3.js"></script>
+
+    <!-- TopologyComposer D3 -->
+    <script src="/static/TopologyComposer/js/event.js"></script>
+    <script src="/static/TopologyComposer/js/settings.js"></script>
+    <script src="/static/TopologyComposer/js/graph_editor.js"></script>
+    <script src="/static/TopologyComposer/js/model_graph_editor.js"></script>
+    <script src="/static/TopologyComposer/js/d3-context-menu.js"></script>
+
+
+    <script src="/static/src/osm_gui_properties.js"></script>
+{#    <script src="/static/src/instancehandler/instance_topology_view.js"></script>#}
+
+{% endblock %}
+
+{% block footer %}
+    {% include "footer.html" %}
+{% endblock %}
diff --git a/projecthandler/template/project/osm/descriptor/descriptor_new.html b/descriptorhandler/template/descriptor_new.html
similarity index 85%
rename from projecthandler/template/project/osm/descriptor/descriptor_new.html
rename to descriptorhandler/template/descriptor_new.html
index 7711b57..2551f30 100644
--- a/projecthandler/template/project/osm/descriptor/descriptor_new.html
+++ b/descriptorhandler/template/descriptor_new.html
@@ -1,4 +1,4 @@
-{% extends "descriptor/descriptor_view_base.html" %}
+{% extends "/descriptor_view_base.html" %}
 
 {% load staticfiles %}
 
@@ -50,9 +50,9 @@
 {{ block.super }}
 
 <script>
-    var descr_list_url = '{% url "projects:list_descriptors"   descriptor_type=descriptor_type%}';
+    var descr_list_url = '{% url "projects:descriptors:list_descriptors"   descriptor_type=descriptor_type%}';
     var csrf_token = '{{csrf_token}}';
-    var new_desc_url ="{% url 'projects:new_descriptor'  descriptor_type=descriptor_type %}"
+    var new_desc_url ="{% url 'projects:descriptors:new_descriptor'  descriptor_type=descriptor_type %}"
 
     function cancel(id) {
         window.location.href = descr_list_url
diff --git a/projecthandler/template/project/osm/descriptor/descriptor_view.html b/descriptorhandler/template/descriptor_view.html
similarity index 94%
rename from projecthandler/template/project/osm/descriptor/descriptor_view.html
rename to descriptorhandler/template/descriptor_view.html
index aa43149..2a18666 100644
--- a/projecthandler/template/project/osm/descriptor/descriptor_view.html
+++ b/descriptorhandler/template/descriptor_view.html
@@ -1,4 +1,4 @@
-{% extends "descriptor/descriptor_view_base.html" %}
+{% extends "descriptor_view_base.html" %}
 
 {% load staticfiles %}
 
@@ -16,7 +16,7 @@
 {% block breadcrumb_body %}
 {{ block.super }}
 <li><a href="{% url 'projects:open_project' %}">{{project_id}}</a></li>
-<li><a href="{% url 'projects:list_descriptors' descriptor_type=descriptor_type %}">{{ descriptor_type }} Descriptors</a></li>
+<li><a href="{% url 'projects:descriptors:list_descriptors' descriptor_type=descriptor_type %}">{{ descriptor_type }} Descriptors</a></li>
 <li><a>{{descriptor_id}}</a></li>
 {% endblock %}
 
@@ -128,5 +128,5 @@
 
 
 {% block footer %}
-    {% include "footer.html"  %}
+    {% include "footer.html" %}
 {% endblock %}
diff --git a/projecthandler/template/project/descriptor/descriptor_view_base.html b/descriptorhandler/template/descriptor_view_base.html
similarity index 100%
rename from projecthandler/template/project/descriptor/descriptor_view_base.html
rename to descriptorhandler/template/descriptor_view_base.html
diff --git a/projecthandler/template/project/osm/descriptor/descriptorlist.html b/descriptorhandler/template/descriptorlist.html
similarity index 81%
rename from projecthandler/template/project/osm/descriptor/descriptorlist.html
rename to descriptorhandler/template/descriptorlist.html
index b2222e2..9d86624 100644
--- a/projecthandler/template/project/osm/descriptor/descriptorlist.html
+++ b/descriptorhandler/template/descriptorlist.html
@@ -8,11 +8,7 @@
             </h3>
             <div class="box-tools">
                 <div class="btn-group">
-                    <!--
-                <a href="{% url 'projects:open_composer'%}"
-                   class="btn btn-block btn-primary btn-sm"><i
-                        class="fa fa-paint-brush" disabled></i><span> Composer</span></a>
-                        -->
+
                 </div>
             </div>
         </div>
diff --git a/projecthandler/template/project/osm/descriptor/modal/choose_node_id.html b/descriptorhandler/template/modal/choose_node_id.html
similarity index 100%
rename from projecthandler/template/project/osm/descriptor/modal/choose_node_id.html
rename to descriptorhandler/template/modal/choose_node_id.html
diff --git a/projecthandler/template/project/osm/descriptor/modal/create_link_chooser.html b/descriptorhandler/template/modal/create_link_chooser.html
similarity index 100%
rename from projecthandler/template/project/osm/descriptor/modal/create_link_chooser.html
rename to descriptorhandler/template/modal/create_link_chooser.html
diff --git a/descriptorhandler/urls.py b/descriptorhandler/urls.py
new file mode 100644
index 0000000..c6e987e
--- /dev/null
+++ b/descriptorhandler/urls.py
@@ -0,0 +1,30 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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.conf.urls import url
+from descriptorhandler import views
+
+urlpatterns = [
+    url(r'(?P<descriptor_type>\w+)/list$', views.show_descriptors, name='list_descriptors'),
+    url(r'(?P<descriptor_type>\w+)/(?P<descriptor_id>[-\w]+)(/$)', views.edit_descriptor, name='edit_descriptor'),
+    url(r'(?P<descriptor_type>\w+)/(?P<descriptor_id>[-\w]+)/delete$', views.delete_descriptor, name='delete_descriptor'),
+    url(r'(?P<descriptor_type>\w+)/(?P<descriptor_id>[-\w]+)/clone', views.clone_descriptor, name='clone_descriptor'),
+    url(r'(?P<descriptor_type>\w+)/(?P<descriptor_id>[-\w]+)/action/(?P<action_name>[-\w]+)',views.custom_action,
+        name='custom_action'),
+    url(r'(?P<descriptor_type>\w+)/new$', views.new_descriptor, name='new_descriptor'),
+    url(r'composer$', views.open_composer, name='open_composer'),
+    url(r'availablenodes', views.get_available_nodes, name='get_available_nodes'),
+]
diff --git a/descriptorhandler/views.py b/descriptorhandler/views.py
new file mode 100644
index 0000000..8b902af
--- /dev/null
+++ b/descriptorhandler/views.py
@@ -0,0 +1,458 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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.
+#
+
+import json
+import logging
+
+import yaml
+from sf_t3d.decorators import login_required
+from django.http import HttpResponse
+from django.shortcuts import render, redirect
+
+
+from lib.util import Util
+from lib.osm.osmclient.clientv2 import Client
+import authosm.utils as osmutils
+
+logging.basicConfig(level=logging.DEBUG)
+log = logging.getLogger('descriptorhandler/view.py')
+
+
+@login_required
+def show_descriptors(request, descriptor_type=None):
+    user = osmutils.get_user(request)
+    project_id = user.project_id
+    client = Client()
+    print descriptor_type
+    try:
+        if descriptor_type == 'nsd':
+            descriptors = client.nsd_list(user.get_token())
+        elif descriptor_type == 'vnfd':
+            descriptors = client.vnfd_list(user.get_token())
+    except Exception as e:
+        log.exception(e)
+        descriptors = []
+
+    url = 'osm/osm_project_descriptors.html'
+    return __response_handler(request, {
+        'descriptors': descriptors['data'] if descriptors and descriptors['error'] is False else [],
+        'project_id': project_id,
+        'project_type': 'osm',
+        'descriptor_type': descriptor_type
+    }, url)
+
+
+@login_required
+def delete_descriptor(request, descriptor_type=None, descriptor_id=None):
+    user = osmutils.get_user(request)
+    project_id = user.project_id
+    try:
+        client = Client()
+        if descriptor_type == 'nsd':
+            result = client.nsd_delete(user.get_token(), descriptor_id)
+        elif descriptor_type == 'vnfd':
+            result = client.vnfd_delete(user.get_token(), descriptor_id)
+    except Exception as e:
+        log.exception(e)
+        result = {'error': True, 'data': str(e)}
+
+    url = 'osm/osm_project_descriptors.html'
+    descriptors = {}
+    try:
+        if descriptor_type == 'nsd':
+            descriptors = client.nsd_list(user.get_token())
+        elif descriptor_type == 'vnfd':
+            descriptors = client.vnfd_list(user.get_token())
+    except Exception as e:
+        log.exception(e)
+
+    return __response_handler(request, {
+        'descriptors': descriptors['data'] if descriptors and descriptors['error'] is False else [],
+        'project_id': project_id,
+        'project_type': 'osm',
+        'descriptor_type': descriptor_type,
+        'alert_message': {
+            'success': False if result['error'] is True else True,
+            'message': 'An error occurred while processing your request.' if result and result['error'] is True else "Record deleted successfully"}
+    }, url)
+
+
+@login_required
+def clone_descriptor(request, descriptor_type=None, descriptor_id=None):
+    user = osmutils.get_user(request)
+    project_id = user.project_id
+
+    try:
+        client = Client()
+        if descriptor_type == 'nsd':
+            result = client.nsd_clone(user.get_token(), descriptor_id)
+        elif descriptor_type == 'vnfd':
+            result = client.vnfd_clone(user.get_token(), descriptor_id)
+        else:
+            log.debug('Update descriptor: Unknown data type')
+            result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
+    except Exception as e:
+        log.exception(e)
+        result = {'error': True, 'data': str(e)}
+    if result['error'] == True:
+        return __response_handler(request, result['data'], url=None,
+                                  status=result['data']['status'] if 'status' in result['data'] else 500)
+
+    else:
+        return __response_handler(request, {}, url=None, status=200)
+
+
+@login_required
+def new_descriptor(request, descriptor_type=None):
+    user = osmutils.get_user(request)
+    project_id = user.project_id
+    page = 'descriptor_new.html'
+    if request.method == 'GET':
+        request_id = request.GET.get('id', '')
+
+        return __response_handler(request,  {
+            'project_id': project_id,
+            'descriptor_type': descriptor_type,
+            'descriptor_id': request_id,
+        }, page)
+    elif request.method == 'POST':
+        data_type = request.POST.get('type')
+        if data_type == "file":
+            file_uploaded = request.FILES['file']
+
+            try:
+                client = Client()
+                if descriptor_type == 'nsd':
+                    result = client.nsd_onboard(user.get_token(), file_uploaded)
+                elif descriptor_type == 'vnfd':
+                    result = client.vnfd_onboard(user.get_token(), file_uploaded)
+                else:
+                    log.debug('Create descriptor: Unknown data type')
+                    result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
+
+            except Exception as e:
+                log.exception(e)
+                result = {'error': True, 'data': str(e)}
+        else:
+            result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
+
+        if result['error']:
+            return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
+        else:
+            return __response_handler(request, {}, url=None, status=200)
+
+
+@login_required
+def edit_descriptor(request, descriptor_id=None, descriptor_type=None):
+    user = osmutils.get_user(request)
+    project_id = user.project_id
+    if request.method == 'POST':
+        new_data = request.POST.get('text'),
+        data_type = request.POST.get('type')
+        #print new_data
+        try:
+            client = Client()
+            if descriptor_type == 'nsd':
+                if data_type == 'yaml':
+                    new_data = yaml.load(request.POST.get('text'))
+                elif data_type == 'json':
+                    new_data = json.loads(request.POST.get('text'))
+                result = client.nsd_update(user.get_token(), descriptor_id, new_data)
+            elif descriptor_type == 'vnfd':
+                if data_type == 'yaml':
+                    new_data = yaml.load(request.POST.get('text'))
+                elif data_type == 'json':
+                    new_data = json.loads(request.POST.get('text'))
+                result = client.vnfd_update(user.get_token(), descriptor_id, new_data)
+
+            else:
+                log.debug('Update descriptor: Unknown data type')
+                result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
+        except Exception as e:
+            log.exception(e)
+            result = {'error': True, 'data': str(e)}
+        if result['error'] == True:
+            return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
+
+        else:
+            return __response_handler(request, {}, url=None, status=200)
+
+    elif request.method == 'GET':
+
+        page = 'descriptor_view.html'
+        try:
+            client = Client()
+            if descriptor_type == 'nsd':
+                result = client.nsd_get(user.get_token(), descriptor_id)
+            elif descriptor_type == 'vnfd':
+                result = client.vnfd_get(user.get_token(), descriptor_id)
+
+        except Exception as e:
+            log.exception(e)
+            result = {'error': True, 'data': str(e)}
+
+        if isinstance(result, dict) and 'error' in result and result['error']:
+            return render(request, 'error.html')
+
+        descriptor_string_json = json.dumps(result, indent=2)
+        descriptor_string_yaml = Util.json2yaml(result)
+        # print descriptor
+        return render(request, page, {
+            'project_id': project_id,
+            'descriptor_id': descriptor_id,
+            'descriptor_type': descriptor_type,
+            'descriptor_strings': {'descriptor_string_yaml': descriptor_string_yaml,
+                                   'descriptor_string_json': descriptor_string_json}})
+
+
+@login_required
+def get_package_files_list(request, descriptor_id, descriptor_type):
+    user = osmutils.get_user(request)
+    try:
+        client = Client()
+        if descriptor_type == 'nsd':
+            artifacts_res = client.nsd_artifacts(user.get_token(), descriptor_id)
+        elif descriptor_type == 'vnfd':
+            artifacts_res = client.vnf_packages_artifacts(user.get_token(), descriptor_id)
+        else:
+            return False
+
+        files_list = yaml.load(artifacts_res['data'] if artifacts_res and artifacts_res['error'] is False else [])
+        result = {'files': files_list}
+    except Exception as e:
+        log.exception(e)
+        url = 'error.html'
+        result = {'error_msg': 'Unknown error.'}
+    return __response_handler(request, result)
+
+
+@login_required
+def download_pkg(request, descriptor_id, descriptor_type):
+    user = osmutils.get_user(request)
+    file_name = "osm_export.tar.gz"
+    tar_pkg = None
+    try:
+        client = Client()
+        if descriptor_type == 'nsd':
+            tar_pkg = client.get_nsd_pkg(user.get_token(), descriptor_id)
+        elif descriptor_type == 'vnfd':
+            tar_pkg = client.get_vnfd_pkg(user.get_token(), descriptor_id)
+
+    except Exception as e:
+        log.exception(e)
+
+    response = HttpResponse(content_type="application/tgz")
+    response["Content-Disposition"] = "attachment; filename="+ file_name
+    response.write(tar_pkg.getvalue())
+    return response
+
+@login_required
+def open_composer(request):
+    user = osmutils.get_user(request)
+    project_id = user.project_id
+    result = {'project_id': project_id,
+              'vertices': [
+                  {"info": {"type": "vnf", "property": {"custom_label": ""},
+                            "group": []}, "id": "vm"},
+                  {"info": {"type": "vnf", "property": {"custom_label": ""},
+                            "group": []}, "id": "vlan"},
+                  {"info": {"type": "vnf", "property": {"custom_label": ""},
+                            "group": []}, "id": "firewall"},
+                  {"info": {"type": "vnf", "property": {"custom_label": ""},
+                            "group": []}, "id": "ping"},
+
+                  {"info": {"type": "ns_vl", "property": {"custom_label": ""},
+                            "group": []}, "id": "vl1"},
+                  {"info": {"type": "ns_vl", "property": {"custom_label": ""},
+                            "group": []}, "id": "vl2"},
+                  {"info": {"type": "ns_vl", "property": {"custom_label": ""},
+                            "group": []}, "id": "vl3"},
+              ],
+              'edges': [
+                  {"source": "vm", "group": [], "target": "vl3", "view": "ns"},
+                  {"source": "vlan", "group": [], "target": "vl3", "view": "ns"},
+                  {"source": "vlan", "group": [], "target": "vl1", "view": "ns"},
+                  {"source": "firewall", "group": [], "target": "vl1", "view": "ns"},
+                  {"source": "firewall", "group": [], "target": "vl2", "view": "ns"},
+                  {"source": "ping", "group": [], "target": "vl2", "view": "ns"},
+              ],
+              'model': {
+                "layer": {
+
+                    "ns": {
+                        "nodes": {
+                            "vnf": {
+                                "addable": {
+                                    "callback": "addNode"
+                                },
+                                "removable": {
+                                    "callback": "removeNode"
+                                },
+                                "expands": "vnf"
+                            },
+                            "ns_vl": {
+                                "addable": {
+                                    "callback": "addNode"
+                                },
+                                "removable": {
+                                    "callback": "removeNode"
+                                }
+                            },
+
+                        },
+                        "allowed_edges": {
+                            "ns_vl": {
+                                "destination": {
+                                    "vnf": {
+                                        "callback": "addLink",
+                                        "direct_edge": False,
+                                        "removable": {
+                                            "callback": "removeLink"
+                                        }
+                                    }
+                                }
+                            },
+                            "vnf": {
+                                "destination": {
+                                    "ns_vl": {
+                                        "callback": "addLink",
+                                        "direct_edge": False,
+                                        "removable": {
+                                            "callback": "removeLink"
+                                        }
+                                    },
+
+                                }
+                            }
+
+                        }
+                    },
+                    "vnf": {
+                        "nodes": {
+                            "vdu": {
+                                "addable": {
+                                    "callback": "addNode"
+                                },
+                                "removable": {
+                                    "callback": "removeNode"
+                                }
+                            },
+                            "cp": {
+                                "addable": {
+                                    "callback": "addNode"
+                                },
+                                "removable": {
+                                    "callback": "removeNode"
+                                }
+                            },
+
+                        },
+                        "allowed_edges": {
+                            "vdu": {
+                                "destination": {
+                                    "cp": {
+                                        "callback": "addLink",
+                                        "direct_edge": False,
+                                        "removable": {
+                                            "callback": "removeLink"
+                                        }
+                                    }
+                                }
+                            },
+                            "cp": {
+                                "destination": {
+                                    "vdu": {
+                                        "callback": "addLink",
+                                        "direct_edge": False,
+                                        "removable": {
+                                            "callback": "removeLink"
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "name": "OSM",
+                    "version": 1,
+                    "nodes": {
+                        "vnf": {
+                            "label": "vnf"
+                        },
+                        "ns_vl": {
+                            "label": "vl"
+                        },
+                        "cp": {
+                            "label": "cp"
+                        },
+                        "vdu": {
+                            "label": "vdu"
+                        }
+                    },
+                    "description": "osm",
+                    "callback": {
+                        "addNode": {
+                            "file": "osm_controller.js",
+                            "class": "OsmController"
+                        },
+                        "removeNode": {
+                            "file": "osm_controller.js",
+                            "class": "OsmController"
+                        },
+                        "addLink": {
+                            "file": "osm_controller.js",
+                            "class": "OsmController"
+                        },
+                        "removeLink": {
+                            "file": "osm_controller.js",
+                            "class": "OsmController"
+                        }
+                    }
+
+                }
+            }}
+    return __response_handler(request, result, 'composer.html')
+
+
+def get_available_nodes(request):
+
+    params = request.GET.dict()
+    nodes = {
+        'ns': [{"types": [{"name": "Generic", "id": "vnf"},
+                          {"name": "ping", "id": "vnf"},
+                          {"name": "pong", "id": "vnf"},
+                          {"name": "hackfest1-vm", "id": "vnf"}], "category_name": "Vnf"},
+               {"types": [{"name": "VL", "id": "ns_vl"}], "category_name": "VirtualLink"}],
+        'vnf': [{"types": [{"name": "VDU", "id": "vdu"}], "category_name": "Vdu"},
+                {"types": [{"name": "CP", "id": "cp"}], "category_name": "CP"}]
+    }
+
+    return __response_handler(request, nodes[params['layer']])
+
+
+@login_required
+def custom_action(request, descriptor_id=None, descriptor_type=None, action_name=None):
+    if request.method == 'GET':
+        return globals()[action_name](request, descriptor_id, descriptor_type)
+
+
+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 or url is None:
+        return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
+    elif to_redirect:
+        return redirect(url, *args, **kwargs)
+    else:
+        return render(request, url, data_res)
diff --git a/instancehandler/template/instance_list_ns.html b/instancehandler/template/instance_list_ns.html
index 9a50881..e532076 100644
--- a/instancehandler/template/instance_list_ns.html
+++ b/instancehandler/template/instance_list_ns.html
@@ -7,7 +7,7 @@
 
             <button type="button" class="btn btn-default" data-container="body"
                     data-toggle="tooltip" data-placement="top" title="Instantiate NS"
-                    onclick="javascript:openModalCreateNS({ 'project_id':'{{ project_id }}','vim_list_url': '{% url "vims:list"  %}', 'nsd_list_url': '{% url "projects:list_descriptors" descriptor_type='nsd' %}'})">
+                    onclick="javascript:openModalCreateNS({ 'project_id':'{{ project_id }}','vim_list_url': '{% url "vims:list"  %}', 'nsd_list_url': '{% url "projects:descriptors:list_descriptors" descriptor_type='nsd' %}'})">
                 <i class="fa fa-paper-plane"></i> <span> New NS</span></button>
 
         </div>
diff --git a/projecthandler/template/project/descriptor/modal/choose_node_id.html b/projecthandler/template/project/descriptor/modal/choose_node_id.html
deleted file mode 100644
index 3bfea9e..0000000
--- a/projecthandler/template/project/descriptor/modal/choose_node_id.html
+++ /dev/null
@@ -1,27 +0,0 @@
-<div class="modal" id="modal_choose_node_id" xmlns="http://www.w3.org/1999/html">
-    <div class="modal-dialog">
-        <div class="modal-content">
-            <div class="modal-header">
-                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
-                    <span aria-hidden="true">×</span></button>
-                <h4 class="modal-title" id="modal_chooser_title_add_node">Add node</h4>
-            </div>
-            <div class="modal-body">
-                <div id="div_chose_id">
-                    <label>Choose an id </label>
-                    <input name="input_choose_node_id" id="input_choose_node_id" type="text" size="40" maxlength="20"/>
-                </div>
-                {% block content_body %}
-
-                {% endblock %}
-            </div>
-
-            <div class="modal-footer">
-                <button type="button" class="btn btn-default pull-left" data-dismiss="modal">Cancel</button>
-                <button type="button" class="btn btn-primary" id="save_choose_node_id">Add</button>
-            </div>
-        </div>
-        <!-- /.modal-content -->
-    </div>
-    <!-- /.modal-dialog -->
-</div>
\ No newline at end of file
diff --git a/projecthandler/template/project/osm/osm_project_descriptors.html b/projecthandler/template/project/osm/osm_project_descriptors.html
index 83a8b38..8c1ceb2 100644
--- a/projecthandler/template/project/osm/osm_project_descriptors.html
+++ b/projecthandler/template/project/osm/osm_project_descriptors.html
@@ -36,7 +36,7 @@
 {% include 'osm/modal/files_list.html' %}
 {% include 'modal/instance_create.html' %}
 <div class="row">
-    {% include "osm/descriptor/descriptorlist.html" %}
+    {% include "descriptorlist.html" %}
 </div>
 {% endblock %}
 
@@ -52,9 +52,9 @@
 
     <script>
     var csrf_token = '{{csrf_token}}';
-    var descr_list_url = '{% url "projects:list_descriptors"   descriptor_type=descriptor_type%}';
+    var descr_list_url = '{% url "projects:descriptors:list_descriptors"   descriptor_type=descriptor_type%}';
     var vim_list_url = '{% url "vims:list"  %}';
-    var new_desc_url ="{% url 'projects:new_descriptor'  descriptor_type=descriptor_type %}";
+    var new_desc_url ="{% url 'projects:descriptors:new_descriptor'  descriptor_type=descriptor_type %}";
     var descriptor_type = '{{ descriptor_type | safe }}';
     var project_id = '{{ project_id }}';
     var table;
diff --git a/projecthandler/template/project/osm/osm_project_details.html b/projecthandler/template/project/osm/osm_project_details.html
index d5edc1e..d4b7eb5 100644
--- a/projecthandler/template/project/osm/osm_project_details.html
+++ b/projecthandler/template/project/osm/osm_project_details.html
@@ -44,7 +44,7 @@
                     <div class="inner"><h3>{{ project_overview.nsd }}</h3>
                         <p>NS packages</p></div>
                     <div class="icon"><i class="fa fa-archive"></i></div>
-                    <a href='{% url "projects:list_descriptors"   descriptor_type="nsd" %}' class="small-box-footer">Open list <i
+                    <a href='{% url "projects:descriptors:list_descriptors"   descriptor_type="nsd" %}' class="small-box-footer">Open list <i
                             class="fa fa-arrow-circle-right"></i></a></div>
             </div>
             <div class="col-md-6 ">
@@ -52,7 +52,7 @@
                     <div class="inner"><h3>{{ project_overview.vnfd }}</h3>
                         <p>VNF packages</p></div>
                     <div class="icon"><i class="fa fa-archive"></i></div>
-                    <a href='{% url "projects:list_descriptors"   descriptor_type="vnfd" %}' class="small-box-footer">Open list <i
+                    <a href='{% url "projects:descriptors:list_descriptors"   descriptor_type="vnfd" %}' class="small-box-footer">Open list <i
                             class="fa fa-arrow-circle-right"></i></a></div>
             </div>
         </div>
diff --git a/projecthandler/template/project/osm/osm_project_left_sidebar.html b/projecthandler/template/project/osm/osm_project_left_sidebar.html
index 5bd34fd..63f9854 100644
--- a/projecthandler/template/project/osm/osm_project_left_sidebar.html
+++ b/projecthandler/template/project/osm/osm_project_left_sidebar.html
@@ -14,8 +14,8 @@
                     <i class="fa fa-file-text fa-fw"></i> <span>Overview</span>
                 </a>
             </li>
-            {% url "projects:list_descriptors"   descriptor_type="nsd" as  nsd_list_url %}
-            {% url "projects:list_descriptors"   descriptor_type='vnfd' as  vnfd_list_url %}
+            {% url "projects:descriptors:list_descriptors"   descriptor_type="nsd" as  nsd_list_url %}
+            {% url "projects:descriptors:list_descriptors"   descriptor_type='vnfd' as  vnfd_list_url %}
             <li {% if request.get_full_path == nsd_list_url or  request.get_full_path == vnfd_list_url %}
                 class="active treeview menu-open" {% else %} class="treeview  menu-open" {% endif %} >
                 <a href="#">
diff --git a/projecthandler/template/project/osm/project_graph.html b/projecthandler/template/project/osm/project_graph.html
index 15d2eeb..3d94118 100644
--- a/projecthandler/template/project/osm/project_graph.html
+++ b/projecthandler/template/project/osm/project_graph.html
@@ -36,9 +36,8 @@
  {% csrf_token %}
 
 
-{% include 'osm/descriptor/modal/create_link_chooser.html' %}
-{% include 'osm/descriptor/modal/choose_node_id.html' %}
-{% include 'osm/modal/modal_keyboard_info.html' %}
+{% include 'modal/create_link_chooser.html' %}
+{% include 'modal/choose_node_id.html' %}
 {% endblock %}
 
 {% block resource_block %}
diff --git a/projecthandler/template/project/project_graph_base.html b/projecthandler/template/project/project_graph_base.html
index 282afb4..5c43e22 100644
--- a/projecthandler/template/project/project_graph_base.html
+++ b/projecthandler/template/project/project_graph_base.html
@@ -30,9 +30,8 @@
 {% block content_body %}
     {{ block.super }}
     {% csrf_token %}
-    {% include 'osm/descriptor/modal/create_link_chooser.html' %}
-{% include 'osm/descriptor/modal/choose_node_id.html' %}
-{% include 'osm/modal/modal_keyboard_info.html' %}
+    {% include 'modal/create_link_chooser.html' %}
+    {% include 'modal/choose_node_id.html' %}
     <div class="row" >
         <div class="col-md-12">
             {% block topology_toolbar %}
diff --git a/projecthandler/urls/project.py b/projecthandler/urls/project.py
index e69bd29..1660607 100644
--- a/projecthandler/urls/project.py
+++ b/projecthandler/urls/project.py
@@ -21,25 +21,13 @@
     url(r'^$', views.open_project, name='open_project'),
     url(r'^list/', views.user_projects, name='projects_list'),
     url(r'^new/', views.create_new_project, name='new_project'),
+    url(r'^descriptors/', include('descriptorhandler.urls', namespace='descriptors'), name='descriptor_base'),
     url(r'^(?P<project_id>[\w ]+)/delete$', views.delete_project, name='delete_project'),
     url(r'^(?P<project_id>[\w ]+)/switch', views.switch_project, name='switch_project'),
     url(r'^(?P<project_id>[\w ]+)/edit', views.edit_project, name='edit_project'),
-    url(r'^descriptors/(?P<descriptor_type>\w+)/list$', views.show_descriptors, name='list_descriptors'),
-    url(r'^descriptors/(?P<descriptor_type>\w+)/(?P<descriptor_id>[-\w]+)(/$)',
-        views.edit_descriptor, name='edit_descriptor'),
-    url(r'^descriptors/(?P<descriptor_type>\w+)/(?P<descriptor_id>[-\w]+)/delete$',
-        views.delete_descriptor,
-        name='delete_descriptor'),
-    url(r'^descriptors/(?P<descriptor_type>\w+)/(?P<descriptor_id>[-\w]+)/clone',
-        views.clone_descriptor,
-        name='clone_descriptor'),
-    url(r'^descriptors/(?P<descriptor_type>\w+)/(?P<descriptor_id>[-\w]+)/action/(?P<action_name>[-\w]+)',
-        views.custom_action,
-        name='custom_action'),
-    url(r'^descriptors/(?P<descriptor_type>\w+)/new$', views.new_descriptor,
-        name='new_descriptor'),
-    url(r'^composer$', views.open_composer, name='open_composer'),
-    url(r'^availablenodes', views.get_available_nodes, name='get_available_nodes'),
+
+
+
 
 
 ]
\ No newline at end of file
diff --git a/projecthandler/views.py b/projecthandler/views.py
index 9d4055d..6a9a98a 100644
--- a/projecthandler/views.py
+++ b/projecthandler/views.py
@@ -62,189 +62,6 @@
         'projects': result['data'] if result and result['error'] is False else [],
     },'projectlist.html')
 
-
-def open_composer(request):
-    user = osmutils.get_user(request)
-    project_id = user.project_id
-    result = {'project_id': project_id,
-              'vertices': [
-                  {"info": {"type": "vnf", "property": {"custom_label": ""},
-                            "group": []}, "id": "vm"},
-                  {"info": {"type": "vnf", "property": {"custom_label": ""},
-                            "group": []}, "id": "vlan"},
-                  {"info": {"type": "vnf", "property": {"custom_label": ""},
-                            "group": []}, "id": "firewall"},
-                  {"info": {"type": "vnf", "property": {"custom_label": ""},
-                            "group": []}, "id": "ping"},
-
-                  {"info": {"type": "ns_vl", "property": {"custom_label": ""},
-                            "group": []}, "id": "vl1"},
-                  {"info": {"type": "ns_vl", "property": {"custom_label": ""},
-                            "group": []}, "id": "vl2"},
-                  {"info": {"type": "ns_vl", "property": {"custom_label": ""},
-                            "group": []}, "id": "vl3"},
-              ],
-              'edges': [
-                  {"source": "vm", "group": [], "target": "vl3", "view": "ns"},
-                  {"source": "vlan", "group": [], "target": "vl3", "view": "ns"},
-                  {"source": "vlan", "group": [], "target": "vl1", "view": "ns"},
-                  {"source": "firewall", "group": [], "target": "vl1", "view": "ns"},
-                  {"source": "firewall", "group": [], "target": "vl2", "view": "ns"},
-                  {"source": "ping", "group": [], "target": "vl2", "view": "ns"},
-              ],
-              'model': {
-                "layer": {
-
-                    "ns": {
-                        "nodes": {
-                            "vnf": {
-                                "addable": {
-                                    "callback": "addNode"
-                                },
-                                "removable": {
-                                    "callback": "removeNode"
-                                },
-                                "expands": "vnf"
-                            },
-                            "ns_vl": {
-                                "addable": {
-                                    "callback": "addNode"
-                                },
-                                "removable": {
-                                    "callback": "removeNode"
-                                }
-                            },
-
-                        },
-                        "allowed_edges": {
-                            "ns_vl": {
-                                "destination": {
-                                    "vnf": {
-                                        "callback": "addLink",
-                                        "direct_edge": False,
-                                        "removable": {
-                                            "callback": "removeLink"
-                                        }
-                                    }
-                                }
-                            },
-                            "vnf": {
-                                "destination": {
-                                    "ns_vl": {
-                                        "callback": "addLink",
-                                        "direct_edge": False,
-                                        "removable": {
-                                            "callback": "removeLink"
-                                        }
-                                    },
-
-                                }
-                            }
-
-                        }
-                    },
-                    "vnf": {
-                        "nodes": {
-                            "vdu": {
-                                "addable": {
-                                    "callback": "addNode"
-                                },
-                                "removable": {
-                                    "callback": "removeNode"
-                                }
-                            },
-                            "cp": {
-                                "addable": {
-                                    "callback": "addNode"
-                                },
-                                "removable": {
-                                    "callback": "removeNode"
-                                }
-                            },
-
-                        },
-                        "allowed_edges": {
-                            "vdu": {
-                                "destination": {
-                                    "cp": {
-                                        "callback": "addLink",
-                                        "direct_edge": False,
-                                        "removable": {
-                                            "callback": "removeLink"
-                                        }
-                                    }
-                                }
-                            },
-                            "cp": {
-                                "destination": {
-                                    "vdu": {
-                                        "callback": "addLink",
-                                        "direct_edge": False,
-                                        "removable": {
-                                            "callback": "removeLink"
-                                        }
-                                    }
-                                }
-                            }
-                        }
-                    },
-                    "name": "OSM",
-                    "version": 1,
-                    "nodes": {
-                        "vnf": {
-                            "label": "vnf"
-                        },
-                        "ns_vl": {
-                            "label": "vl"
-                        },
-                        "cp": {
-                            "label": "cp"
-                        },
-                        "vdu": {
-                            "label": "vdu"
-                        }
-                    },
-                    "description": "osm",
-                    "callback": {
-                        "addNode": {
-                            "file": "osm_controller.js",
-                            "class": "OsmController"
-                        },
-                        "removeNode": {
-                            "file": "osm_controller.js",
-                            "class": "OsmController"
-                        },
-                        "addLink": {
-                            "file": "osm_controller.js",
-                            "class": "OsmController"
-                        },
-                        "removeLink": {
-                            "file": "osm_controller.js",
-                            "class": "OsmController"
-                        }
-                    }
-
-                }
-            }}
-    return __response_handler(request, result, 'project_graph_base.html')
-
-
-def get_available_nodes(request):
-
-    params = request.GET.dict()
-    nodes = {
-        'ns': [{"types": [{"name": "Generic", "id": "vnf"},
-                          {"name": "ping", "id": "vnf"},
-                          {"name": "pong", "id": "vnf"},
-                          {"name": "hackfest1-vm", "id": "vnf"}], "category_name": "Vnf"},
-               {"types": [{"name": "VL", "id": "ns_vl"}], "category_name": "VirtualLink"}],
-        'vnf': [{"types": [{"name": "VDU", "id": "vdu"}], "category_name": "Vdu"},
-                {"types": [{"name": "CP", "id": "cp"}], "category_name": "CP"}]
-    }
-
-    return __response_handler(request, nodes[params['layer']])
-
-
 @login_required
 def open_project(request):
     user = osmutils.get_user(request)
@@ -313,238 +130,7 @@
             return __response_handler(request, {}, url=None, status=200)
 
 
-@login_required
-def show_descriptors(request, descriptor_type=None):
-    user = osmutils.get_user(request)
-    project_id = user.project_id
-    client = Client()
-    try:
-        if descriptor_type == 'nsd':
-            descriptors = client.nsd_list(user.get_token())
-        elif descriptor_type == 'vnfd':
-            descriptors = client.vnfd_list(user.get_token())
-    except Exception as e:
-        log.exception(e)
-        descriptors = []
 
-    url = 'osm/osm_project_descriptors.html'
-    return __response_handler(request, {
-        'descriptors': descriptors['data'] if descriptors and descriptors['error'] is False else [],
-        'project_id': project_id,
-        'project_type': 'osm',
-        'descriptor_type': descriptor_type
-    },url)
-
-
-@login_required
-def delete_descriptor(request, descriptor_type=None, descriptor_id=None):
-    user = osmutils.get_user(request)
-    project_id = user.project_id
-    try:
-        client = Client()
-        if descriptor_type == 'nsd':
-            result = client.nsd_delete(user.get_token(), descriptor_id)
-        elif descriptor_type == 'vnfd':
-            result = client.vnfd_delete(user.get_token(), descriptor_id)
-    except Exception as e:
-        log.exception(e)
-        result = {'error': True, 'data': str(e)}
-
-    url = 'osm/osm_project_descriptors.html'
-    descriptors = {}
-    try:
-        if descriptor_type == 'nsd':
-            descriptors = client.nsd_list(user.get_token())
-        elif descriptor_type == 'vnfd':
-            descriptors = client.vnfd_list(user.get_token())
-    except Exception as e:
-        log.exception(e)
-
-    return __response_handler(request, {
-        'descriptors': descriptors['data'] if descriptors and descriptors['error'] is False else [],
-        'project_id': project_id,
-        'project_type': 'osm',
-        'descriptor_type': descriptor_type,
-        'alert_message': {
-            'success': False if result['error'] is True else True,
-            'message': 'An error occurred while processing your request.' if result and result['error'] is True else "Record deleted successfully"}
-    }, url)
-
-
-@login_required
-def clone_descriptor(request, descriptor_type=None, descriptor_id=None):
-    user = osmutils.get_user(request)
-    project_id = user.project_id
-
-    try:
-        client = Client()
-        if descriptor_type == 'nsd':
-            result = client.nsd_clone(user.get_token(), descriptor_id)
-        elif descriptor_type == 'vnfd':
-            result = client.vnfd_clone(user.get_token(), descriptor_id)
-        else:
-            log.debug('Update descriptor: Unknown data type')
-            result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
-    except Exception as e:
-        log.exception(e)
-        result = {'error': True, 'data': str(e)}
-    if result['error'] == True:
-        return __response_handler(request, result['data'], url=None,
-                                  status=result['data']['status'] if 'status' in result['data'] else 500)
-
-    else:
-        return __response_handler(request, {}, url=None, status=200)
-
-
-
-@login_required
-def new_descriptor(request, descriptor_type=None):
-    user = osmutils.get_user(request)
-    project_id = user.project_id
-    page = 'osm/descriptor/descriptor_new.html'
-    if request.method == 'GET':
-        request_id = request.GET.get('id', '')
-
-        return __response_handler(request,  {
-            'project_id': project_id,
-            'descriptor_type': descriptor_type,
-            'descriptor_id': request_id,
-        }, page)
-    elif request.method == 'POST':
-        data_type = request.POST.get('type')
-        if data_type == "file":
-            file_uploaded = request.FILES['file']
-
-            try:
-                client = Client()
-                if descriptor_type == 'nsd':
-                    result = client.nsd_onboard(user.get_token(), file_uploaded)
-                elif descriptor_type == 'vnfd':
-                    result = client.vnfd_onboard(user.get_token(), file_uploaded)
-                else:
-                    log.debug('Create descriptor: Unknown data type')
-                    result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
-
-            except Exception as e:
-                log.exception(e)
-                result = {'error': True, 'data': str(e)}
-        else:
-            result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
-
-        if result['error']:
-            return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
-        else:
-            return __response_handler(request, {}, url=None, status=200)
-
-
-@login_required
-def edit_descriptor(request, descriptor_id=None, descriptor_type=None):
-    user = osmutils.get_user(request)
-    project_id = user.project_id
-    if request.method == 'POST':
-        new_data = request.POST.get('text'),
-        data_type = request.POST.get('type')
-        #print new_data
-        try:
-            client = Client()
-            if descriptor_type == 'nsd':
-                if data_type == 'yaml':
-                    new_data = yaml.load(request.POST.get('text'))
-                elif data_type == 'json':
-                    new_data = json.loads(request.POST.get('text'))
-                result = client.nsd_update(user.get_token(), descriptor_id, new_data)
-            elif descriptor_type == 'vnfd':
-                if data_type == 'yaml':
-                    new_data = yaml.load(request.POST.get('text'))
-                elif data_type == 'json':
-                    new_data = json.loads(request.POST.get('text'))
-                result = client.vnfd_update(user.get_token(), descriptor_id, new_data)
-
-            else:
-                log.debug('Update descriptor: Unknown data type')
-                result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
-        except Exception as e:
-            log.exception(e)
-            result = {'error': True, 'data': str(e)}
-        if result['error'] == True:
-            return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
-
-        else:
-            return __response_handler(request, {}, url=None, status=200)
-
-    elif request.method == 'GET':
-
-        page = 'osm/descriptor/descriptor_view.html'
-        try:
-            client = Client()
-            if descriptor_type == 'nsd':
-                result = client.nsd_get(user.get_token(), descriptor_id)
-            elif descriptor_type == 'vnfd':
-                result = client.vnfd_get(user.get_token(), descriptor_id)
-
-        except Exception as e:
-            log.exception(e)
-            result = {'error': True, 'data': str(e)}
-
-        if isinstance(result, dict) and 'error' in result and result['error']:
-            return render(request, 'error.html')
-
-        descriptor_string_json = json.dumps(result, indent=2)
-        descriptor_string_yaml = Util.json2yaml(result)
-        # print descriptor
-        return render(request, page, {
-            'project_id': project_id,
-            'descriptor_id': descriptor_id,
-            'descriptor_type': descriptor_type,
-            'descriptor_strings': {'descriptor_string_yaml': descriptor_string_yaml,
-                                   'descriptor_string_json': descriptor_string_json}})
-
-
-@login_required
-def get_package_files_list(request, descriptor_id, descriptor_type):
-    user = osmutils.get_user(request)
-    try:
-        client = Client()
-        if descriptor_type == 'nsd':
-            artifacts_res = client.nsd_artifacts(user.get_token(), descriptor_id)
-        elif descriptor_type == 'vnfd':
-            artifacts_res = client.vnf_packages_artifacts(user.get_token(), descriptor_id)
-        else:
-            return False
-
-        files_list = yaml.load(artifacts_res['data'] if artifacts_res and artifacts_res['error'] is False else [])
-        result = {'files': files_list}
-    except Exception as e:
-        log.exception(e)
-        url = 'error.html'
-        result = {'error_msg': 'Unknown error.'}
-    return __response_handler(request, result)
-
-@login_required
-def download_pkg(request, descriptor_id, descriptor_type):
-    user = osmutils.get_user(request)
-    file_name = "osm_export.tar.gz"
-    tar_pkg = None
-    try:
-        client = Client()
-        if descriptor_type == 'nsd':
-            tar_pkg = client.get_nsd_pkg(user.get_token(), descriptor_id)
-        elif descriptor_type == 'vnfd':
-            tar_pkg = client.get_vnfd_pkg(user.get_token(), descriptor_id)
-
-    except Exception as e:
-        log.exception(e)
-
-    response = HttpResponse(content_type="application/tgz")
-    response["Content-Disposition"] = "attachment; filename="+ file_name
-    response.write(tar_pkg.getvalue())
-    return response
-
-
-@login_required
-def custom_action(request, descriptor_id=None, descriptor_type=None, action_name=None):
-    if request.method == 'GET':
-        return globals()[action_name](request, descriptor_id, descriptor_type)
 
 
 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
diff --git a/sdnctrlhandler/admin.py b/sdnctrlhandler/admin.py
deleted file mode 100644
index 8c38f3f..0000000
--- a/sdnctrlhandler/admin.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.contrib import admin
-
-# Register your models here.
diff --git a/sdnctrlhandler/apps.py b/sdnctrlhandler/apps.py
index 588547f..e81839d 100644
--- a/sdnctrlhandler/apps.py
+++ b/sdnctrlhandler/apps.py
@@ -1,3 +1,19 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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 __future__ import unicode_literals
 
 from django.apps import AppConfig
diff --git a/sdnctrlhandler/models.py b/sdnctrlhandler/models.py
index bd4b2ab..ed2a5ae 100644
--- a/sdnctrlhandler/models.py
+++ b/sdnctrlhandler/models.py
@@ -1,3 +1,19 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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 __future__ import unicode_literals
 
 from django.db import models
diff --git a/sdnctrlhandler/tests.py b/sdnctrlhandler/tests.py
deleted file mode 100644
index 7ce503c..0000000
--- a/sdnctrlhandler/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/sf_t3d/context_processor.py b/sf_t3d/context_processor.py
index d554515..cd48f12 100644
--- a/sf_t3d/context_processor.py
+++ b/sf_t3d/context_processor.py
@@ -1,3 +1,19 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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.conf import settings  # import the settings file
 
 
diff --git a/sf_t3d/settings.py b/sf_t3d/settings.py
index 753537a..2b22ac1 100644
--- a/sf_t3d/settings.py
+++ b/sf_t3d/settings.py
@@ -1,14 +1,18 @@
-"""
-Django settings for sf_t3d project.
-
-Generated by 'django-admin startproject' using Django 1.9.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/1.9/topics/settings/
-
-For the full list of settings and their values, see
-https://docs.djangoproject.com/en/1.9/ref/settings/
-"""
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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.
+#
 
 import os
 
@@ -49,6 +53,7 @@
     'django.contrib.sessions',
     'authosm',
     'projecthandler',
+    'descriptorhandler',
     'vimhandler',
     'instancehandler',
     'sdnctrlhandler',
@@ -85,6 +90,7 @@
             os.path.join(BASE_DIR, 'projecthandler', 'template'),
             os.path.join(BASE_DIR, 'projecthandler', 'template', 'download'),
             os.path.join(BASE_DIR, 'projecthandler', 'template', 'project'),
+            os.path.join(BASE_DIR, 'descriptorhandler', 'template'),
             os.path.join(BASE_DIR, 'vimhandler', 'template'),
             os.path.join(BASE_DIR, 'instancehandler', 'template'),
             os.path.join(BASE_DIR, 'sdnctrlhandler', 'template'),
diff --git a/sf_t3d/urls.py b/sf_t3d/urls.py
index ea95716..5d9d02a 100644
--- a/sf_t3d/urls.py
+++ b/sf_t3d/urls.py
@@ -1,21 +1,20 @@
-"""sf_t3d URL Configuration
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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.
+#
 
-The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/1.9/topics/http/urls/
-Examples:
-Function views
-    1. Add an import:  from my_app import views
-    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
-Class-based views
-    1. Add an import:  from other_app.views import Home
-    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
-Including another URLconf
-    1. Add an import:  from blog import urls as blog_urls
-    2. Import the include() function: from django.conf.urls import url, include
-    3. Add a URL to urlpatterns:  url(r'^blog/', include(blog_urls))
-"""
 from django.conf.urls import url, include
-#from sf_user import views as user_views
 from authosm import views as user_views
 from sf_t3d import views
 
diff --git a/sf_t3d/views.py b/sf_t3d/views.py
index 547f20a..ecd807f 100644
--- a/sf_t3d/views.py
+++ b/sf_t3d/views.py
@@ -1,10 +1,22 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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 projecthandler.models import Project
-from authosm.models import OsmUser
-
-
 @login_required
 def home(request):
     return redirect('projects:open_project')
diff --git a/sf_t3d/wsgi.py b/sf_t3d/wsgi.py
index c52ee6f..5692ef7 100644
--- a/sf_t3d/wsgi.py
+++ b/sf_t3d/wsgi.py
@@ -1,3 +1,19 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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.
+#
+
 """
 WSGI config for sf_t3d project.
 
diff --git a/static/TopologyComposer/css/composer.css b/static/TopologyComposer/css/composer.css
index ac19770..818620e 100644
--- a/static/TopologyComposer/css/composer.css
+++ b/static/TopologyComposer/css/composer.css
@@ -92,6 +92,7 @@
     position: relative;
     min-height: 100vh;
     border-right: 1px solid #AFAFAF;
+    border-left: 1px solid #AFAFAF;
     flex: 1 1 auto;
     display: flex;
     align-items: center;
@@ -125,6 +126,15 @@
     margin-right: 10px;
 }
 
+#leftside {
+    flex: 0 0 auto;
+    max-width: 500px;
+    min-width: 300px;
+    padding: 20px 30px;
+    display: flex;
+    flex-direction: column;
+}
+
 #side {
     flex: 0 0 auto;
     max-width: 500px;
diff --git a/userhandler/admin.py b/userhandler/admin.py
deleted file mode 100644
index 8c38f3f..0000000
--- a/userhandler/admin.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.contrib import admin
-
-# Register your models here.
diff --git a/userhandler/apps.py b/userhandler/apps.py
index 45574cc..25b23e8 100644
--- a/userhandler/apps.py
+++ b/userhandler/apps.py
@@ -1,3 +1,19 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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 __future__ import unicode_literals
 
 from django.apps import AppConfig
diff --git a/userhandler/tests.py b/userhandler/tests.py
deleted file mode 100644
index 7ce503c..0000000
--- a/userhandler/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/userhandler/views.py b/userhandler/views.py
index a7c014d..47e4302 100644
--- a/userhandler/views.py
+++ b/userhandler/views.py
@@ -1,3 +1,19 @@
+#
+#   Copyright 2018 EveryUP Srl
+#
+#   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 sf_t3d.decorators import login_required
 from django.http import HttpResponse