CORD-1849 Split XOS code out of OLT and VTN repos

Change-Id: I307b2a9a54fdcdab14e6bf96d9a9b060ff421a77
diff --git a/xos/admin.py b/xos/admin.py
new file mode 100644
index 0000000..6ab7524
--- /dev/null
+++ b/xos/admin.py
@@ -0,0 +1,171 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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 django.contrib import admin
+
+from services.volt.models import *
+from django import forms
+from django.utils.safestring import mark_safe
+from django.contrib.auth.admin import UserAdmin
+from django.contrib.admin.widgets import FilteredSelectMultiple
+from django.contrib.auth.forms import ReadOnlyPasswordHashField
+from django.contrib.auth.signals import user_logged_in
+from django.utils import timezone
+from django.contrib.contenttypes import generic
+from suit.widgets import LinkedSelect
+from core.admin import ServiceAppAdmin,SliceInline,ServiceAttrAsTabInline, ReadOnlyAwareAdmin, XOSTabularInline, ServicePrivilegeInline, SubscriberLinkInline, ProviderLinkInline, ProviderDependencyInline,SubscriberDependencyInline
+from core.middleware import get_request
+
+from functools import update_wrapper
+from django.contrib.admin.views.main import ChangeList
+from django.core.urlresolvers import reverse
+from django.contrib.admin.utils import quote
+
+#-----------------------------------------------------------------------------
+# vOLT
+#-----------------------------------------------------------------------------
+
+class VOLTServiceAdmin(ReadOnlyAwareAdmin):
+    model = VOLTService
+    verbose_name = "vOLT Service"
+    verbose_name_plural = "vOLT Service"
+    list_display = ("backend_status_icon", "name", "enabled")
+    list_display_links = ('backend_status_icon', 'name', )
+    fieldsets = [(None, {'fields': ['backend_status_text', 'name','enabled','versionNumber', 'description',"view_url","icon_url" ], 'classes':['suit-tab suit-tab-general']})]
+    readonly_fields = ('backend_status_text', )
+    inlines = [SliceInline,ServiceAttrAsTabInline,ServicePrivilegeInline,ProviderDependencyInline,SubscriberDependencyInline]
+
+    extracontext_registered_admins = True
+
+    user_readonly_fields = ["name", "enabled", "versionNumber", "description"]
+
+    suit_form_tabs =(('general', 'vOLT Service Details'),
+        ('administration', 'Administration'),
+        #('tools', 'Tools'),
+        ('slices','Slices'),
+        ('serviceattrs','Additional Attributes'),
+        ('servicetenants', 'Dependencies'),
+        ('serviceprivileges','Privileges'),
+    )
+
+    suit_form_includes = (('voltadmin.html', 'top', 'administration'),
+                           ) #('hpctools.html', 'top', 'tools') )
+
+class VOLTTenantForm(forms.ModelForm):
+    s_tag = forms.CharField()
+    c_tag = forms.CharField()
+    creator = forms.ModelChoiceField(queryset=User.objects.all())
+
+    def __init__(self,*args,**kwargs):
+        super (VOLTTenantForm,self ).__init__(*args,**kwargs)
+        self.fields['owner'].queryset = VOLTService.objects.all()
+        if self.instance:
+            # fields for the attributes
+            self.fields['c_tag'].initial = self.instance.c_tag
+            self.fields['s_tag'].initial = self.instance.s_tag
+            self.fields['creator'].initial = self.instance.creator
+        if (not self.instance) or (not self.instance.pk):
+            # default fields for an 'add' form
+            self.fields['creator'].initial = get_request().user
+            if VOLTService.objects.exists():
+               self.fields["owner"].initial = VOLTService.objects.all()[0]
+
+    def save(self, commit=True):
+        self.instance.s_tag = self.cleaned_data.get("s_tag")
+        self.instance.c_tag = self.cleaned_data.get("c_tag")
+        self.instance.creator = self.cleaned_data.get("creator")
+        return super(VOLTTenantForm, self).save(commit=commit)
+
+    class Meta:
+        model = VOLTTenant
+        fields = '__all__'
+
+
+class VOLTTenantAdmin(ReadOnlyAwareAdmin):
+    list_display = ('backend_status_icon', 'id', 'service_specific_id', 's_tag', 'c_tag', )
+    list_display_links = ('backend_status_icon', 'id')
+    fieldsets = [ (None, {'fields': ['backend_status_text', 'owner', 'service_specific_id', # 'service_specific_attribute',
+                                     's_tag', 'c_tag', 'creator'],
+                          'classes':['suit-tab suit-tab-general']})]
+    readonly_fields = ('backend_status_text', 'service_specific_attribute')
+    inlines = (ProviderLinkInline, SubscriberLinkInline)
+    form = VOLTTenantForm
+
+    suit_form_tabs = (('general','Details'), ('servicelinks','Links'),)
+
+    def get_queryset(self, request):
+        return VOLTTenant.select_by_user(request.user)
+
+class AccessDeviceInline(XOSTabularInline):
+    model = AccessDevice
+    fields = ['volt_device','uplink','vlan']
+    readonly_fields = []
+    extra = 0
+#    max_num = 0
+    suit_classes = 'suit-tab suit-tab-accessdevices'
+
+#    @property
+#    def selflink_reverse_path(self):
+#        return "admin:cord_volttenant_change"
+
+class VOLTDeviceAdmin(ReadOnlyAwareAdmin):
+    list_display = ('backend_status_icon', 'name', 'openflow_id', 'driver' )
+    list_display_links = ('backend_status_icon', 'name', 'openflow_id')
+    fieldsets = [ (None, {'fields': ['backend_status_text','name','volt_service','openflow_id','driver','access_agent'],
+                          'classes':['suit-tab suit-tab-general']})]
+    readonly_fields = ('backend_status_text',)
+    inlines = [AccessDeviceInline]
+
+    suit_form_tabs = (('general','Details'), ('accessdevices','Access Devices'))
+
+class AccessDeviceAdmin(ReadOnlyAwareAdmin):
+    list_display = ('backend_status_icon', 'id', 'volt_device', 'uplink', 'vlan' )
+    list_display_links = ('backend_status_icon', 'id')
+    fieldsets = [ (None, {'fields': ['backend_status_text','volt_device','uplink','vlan'],
+                          'classes':['suit-tab suit-tab-general']})]
+    readonly_fields = ('backend_status_text',)
+
+    suit_form_tabs = (('general','Details'),)
+
+class AgentPortMappingInline(XOSTabularInline):
+    model = AgentPortMapping
+    fields = ['access_agent', 'mac', 'port']
+    readonly_fields = []
+    extra = 0
+#    max_num = 0
+    suit_classes = 'suit-tab suit-tab-accessportmaps'
+
+#    @property
+#    def selflink_reverse_path(self):
+#        return "admin:cord_volttenant_change"
+
+class AccessAgentAdmin(ReadOnlyAwareAdmin):
+    list_display = ('backend_status_icon', 'name', 'mac' )
+    list_display_links = ('backend_status_icon', 'name')
+    fieldsets = [ (None, {'fields': ['backend_status_text','name','volt_service','mac'],
+                          'classes':['suit-tab suit-tab-general']})]
+    readonly_fields = ('backend_status_text',)
+    inlines= [AgentPortMappingInline]
+
+    suit_form_tabs = (('general','Details'), ('accessportmaps', 'Port Mappings'))
+
+admin.site.register(VOLTService, VOLTServiceAdmin)
+admin.site.register(VOLTTenant, VOLTTenantAdmin)
+admin.site.register(VOLTDevice, VOLTDeviceAdmin)
+admin.site.register(AccessDevice, AccessDeviceAdmin)
+admin.site.register(AccessAgent, AccessAgentAdmin)
+
+