Starting usage api impl

stacktach/dbapi.py

@@ -0,0 +1,65 @@
+import decimal
+import json
+
+from django.forms.models import model_to_dict
+from django.http import HttpResponse
+
+import datetime_to_decimal
+import models
+
+
+def rsp(data):
+    return HttpResponse(json.dumps(data))
+
+
+def list_usage_launches(request):
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        objects = models.InstanceUsage.objects.filter(**filter_args)
+    else:
+        objects = models.InstanceUsage.objects.all()
+
+    dicts = _convert_model_list(objects.order_by("launched_at"))
+    return rsp({'launches': dicts})
+
+
+def list_usage_deletes(request):
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        objects = models.InstanceDeletes.objects.filter(**filter_args)
+    else:
+        objects = models.InstanceDeletes.objects.all()
+
+    dicts = _convert_model_list(objects.order_by("launched_at"))
+    return rsp({'deletes': dicts})
+
+
+def list_usage_exists(request):
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        objects = models.InstanceExists.objects.filter(**filter_args)
+    else:
+        objects = models.InstanceExists.objects.all()
+
+    dicts = _convert_model_list(objects.order_by("id"))
+    return rsp({'exists': dicts})
+
+
+def _convert_model_list(list):
+    converted = []
+    for item in list:
+        dict = model_to_dict(item)
+        for key in dict:
+            if isinstance(dict[key], decimal.Decimal):
+                dict[key] = str(datetime_to_decimal.dt_from_decimal(dict[key]))
+        converted.append(dict)
+    return converted

stacktach/urls.py

@@ -19,6 +19,12 @@ urlpatterns = patterns('',
     url(r'stacky/kpi/$', 'stacktach.stacky_server.do_kpi'),
     url(r'stacky/kpi/(?P<tenant_id>\d+)/$', 'stacktach.stacky_server.do_kpi'),
 
+    url(r'db/usage/launches/$',
+        'stacktach.dbapi.list_usage_launches'),
+    url(r'db/usage/deletes/$',
+        'stacktach.dbapi.list_usage_deletes'),
+    url(r'db/usage/exists/$', 'stacktach.dbapi.list_usage_exists'),
+
     url(r'^(?P<deployment_id>\d+)/$', 'stacktach.views.home', name='home'),
     url(r'^(?P<deployment_id>\d+)/details/(?P<column>\w+)/(?P<row_id>\d+)/$',
         'stacktach.views.details', name='details'),