allow flexible cache config

CHANGES

@@ -1,3 +1,8 @@
+4.5
+----
+* disable/enable cache with enviroment variable CASHES_DISABLED
+* allow flexible cache configuration by passing CACHES enviroment variable
+
 4.4
 ----
 * added action point filter

src/etools_datamart/__init__.py

@@ -1,3 +1,3 @@
 NAME = "etools-datamart"
-VERSION = __version__ = "4.4"
+VERSION = __version__ = "4.5"
 __author__ = ""

src/etools_datamart/config/settings.py

@@ -29,6 +29,8 @@
     AZURE_STORAGE_ACCESS_MODE=(str, "r"),
     AZURE_STORAGE_ACCESS_TTL=(int, 60 * 60 * 24),
     AZURE_TENANT=(str, ""),
+    CACHES_DISABLED=(bool, False),
+    CACHES=(str, ""),
     CACHE_URL=(str, "redis://127.0.0.1:6379/1"),
     CACHE_URL_API=(str, "redis://127.0.0.1:6379/2?key_prefix=api"),
     CACHE_URL_LOCK=(str, "redis://127.0.0.1:6379/2?key_prefix=lock"),
@@ -227,6 +229,16 @@
     "api": env.cache("CACHE_URL_API"),
 }
 
+if env("CACHES_DISABLED"):
+    CACHES = {
+        "default": {
+            "BACKEND": "django.core.cache.backends.dummy.DummyCache",
+        }
+    }
+elif len(env("CACHES")) > 8:
+    CACHES = env("CACHES")
+
+
 ROOT_URLCONF = "etools_datamart.config.urls"
 
 # Python dotted path to the WSGI application used by Django's runserver.