Merge pull request #21 from fiware/task/OIOTP-12_throttling

OIOTP-12 throttling

CONFIG.md

@@ -79,3 +79,48 @@ LOGGING = {
     }
 }
 ```
+
+
+## Throttling
+
+By default throlling is configured for all orchestrator API in [settings/common.py](https://pdihub.hi.inet/fiware/iotp-orchestrator/blob/develop/src/settings/common.py) to 200 request by second.
+
+```
+REST_FRAMEWORK = {
+    'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.AllowAny',),
+
+    'DEFAULT_THROTTLE_CLASSES': (
+        'rest_framework.throttling.AnonRateThrottle',
+    ),
+    'DEFAULT_THROTTLE_RATES': {
+        'anon': '200/sec',
+    }
+}
+```
+
+This value could be modified just adding to [settings/dev.py](https://pdihub.hi.inet/fiware/iotp-orchestrator/blob/develop/src/settings/dev.py)
+
+```
+REST_FRAMEWORK['DEFAULT_THROTTLE_RATES']['anon']='30/sec'
+```
+
+
+### WSGI server options
+
+For an installation which uses Orchestrator RPM, there is a file in /etc/default/orchestrator-daemon to setup orchestrator port as well as number of process and threads sused by WSGI server.
+
+By default the content of that file is:
+
+```
+VIRTUALENV=/var/env-orchestrator
+ORCHESTRATOR_DIR=${VIRTUALENV}/lib/python2.6/site-packages/iotp-orchestrator
+UWGSI=uwsgi
+PORT=8084
+STATS_PORT=8085
+PROCESSES=1
+THREADS=4
+ENVIRONMENT="DJANGO_SETTINGS_MODULE=settings.dev"
+PIDFILE="/var/run/orchestrator.pid"
+PNAME="orchestrator"
+USER="orchestrator"
+```

src/orchestrator/api/views.py

@@ -28,6 +28,7 @@
 from rest_framework.response import Response
 from rest_framework import status
 from rest_framework.exceptions import ParseError
+from rest_framework.throttling import AnonRateThrottle
 
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
@@ -100,6 +101,7 @@ class Stats(object):
 
 
 class IoTConf(Stats):
+    throttle_classes = (AnonRateThrottle,)
 
     # Class to extract Keystone/Keypass conf from django settings
     def __init__(self):
@@ -153,6 +155,7 @@ class ServiceList_RESTView(APIView, IoTConf):
     schema_name = "ServiceList"
     parser_classes = (parsers.JSONSchemaParser,)
 
+
     def __init__(self):
         IoTConf.__init__(self)
 

src/settings/common.py

@@ -9,6 +9,8 @@
 
 MANAGERS = ADMINS
 
+CACHE_BACKEND = 'locmem://'
+
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
@@ -207,9 +209,14 @@
 }
 
 REST_FRAMEWORK = {
-    #'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.IsAdminUser',),
     'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.AllowAny',),
-    #'PAGINATE_BY': 10
+
+    'DEFAULT_THROTTLE_CLASSES': (
+        'rest_framework.throttling.AnonRateThrottle',
+    ),
+    'DEFAULT_THROTTLE_RATES': {
+        'anon': '200/sec',
+    }
 }
 
 

src/settings/dev.py

@@ -13,6 +13,8 @@
 DEBUG = True
 TEMPLATE_DEBUG = DEBUG
 
+REST_FRAMEWORK['DEFAULT_THROTTLE_RATES']['anon']='200/sec'
+
 # Keystone Endpoint
 KEYSTONE = {
     "host": "localhost",

src/settings/qa_integration.py

@@ -24,3 +24,5 @@
     "port": "7070",
     "protocol":"http"
 }
+
+REST_FRAMEWORK['DEFAULT_THROTTLE_RATES']['anon']='200/sec'

src/settings/unittest.py

@@ -76,3 +76,5 @@
     "protocol":"http"
 }
 
+
+REST_FRAMEWORK['DEFAULT_THROTTLE_RATES']['anon']='200/sec'