organized
diff --git a/plstackapi/core/api/sites.py b/plstackapi/core/api/sites.py
new file mode 100644
index 0000000..0d07605
--- /dev/null
+++ b/plstackapi/core/api/sites.py
@@ -0,0 +1,48 @@
+from plstackapi.openstack.client import OpenStackClient
+from plstackapi.openstack.driver import OpenStackDriver
+from plstackapi.core.api.auth import auth_check
+from plstackapi.core.models import Site
+ 
+
+def add_site(auth, fields):
+    driver = OpenStackDriver(client = auth_check(auth))
+    site = Site(**fields)
+    nova_fields = {'tenant_name': site.login_base,
+                   'description': site.name,
+                   'enabled': site.enabled}    
+    tenant = driver.create_tenant(**nova_fields)
+    site.tenant_id=tenant.id
+    site.save()
+    return site
+
+def update_site(auth, id, **fields):
+    driver = OpenStackDriver(client = auth_check(auth))
+    sites = Site.objects.filter(id=id)
+    if not sites:
+        return
+
+    site = Site[0]
+    nova_fields = {}
+    if 'description' in fields:
+        nova_fields['description'] = fields['name']
+    if 'enabled' in fields:
+        nova_fields['enabled'] = fields['enabled']
+    driver.update_tenant(site.tenant_id, **nova_fields)
+    site.update(**fields)
+    return site 
+
+def delete_site(auth, filter={}):
+    driver = OpenStackDriver(client = auth_check(auth))   
+    sites = Site.objects.filter(**filter)
+    for site in sites:
+        driver.delete_tenant(id=site.tenant_id) 
+        site.delete()
+    return 1
+
+def get_sites(auth, filter={}):
+    client = auth_check(auth)
+    sites = Site.objects.filter(**filter)
+    return sites             
+        
+
+