Makes CONTENT_ORIGIN not a required setting

Author: dkliban

CHANGES/5931.feature

@@ -0,0 +1 @@
+Allow CONTENT_ORIGIN to be None. When None, the base_url for Distributions is a relative path. 

pulpcore/app/checks.py

@@ -4,20 +4,6 @@
 from django.core.checks import Error as CheckError, Warning as CheckWarning, register
 
 
-@register(deploy=True)
-def content_origin_check(app_configs, **kwargs):
-    messages = []
-    if getattr(settings, "CONTENT_ORIGIN", "UNREACHABLE") == "UNREACHABLE":
-        messages.append(
-            CheckError(
-                "CONTENT_ORIGIN is a required setting but it was not configured. This may be "
-                "caused by invalid read permissions of the settings file. Note that "
-                "CONTENT_ORIGIN is set by the installation automatically.",
-                id="pulpcore.E001",
-            )
-        )
-    return messages
-
 
 @register(deploy=True)
 def secret_key_check(app_configs, **kwargs):

pulpcore/app/settings.py

@@ -263,7 +263,7 @@
 DRF_ACCESS_POLICY = {"reusable_conditions": ["pulpcore.app.global_access_conditions"]}
 
 # This is a sentinal value for deploy checks, since we don't want to set a default one.
-CONTENT_ORIGIN = "UNREACHABLE"
+CONTENT_ORIGIN = None
 CONTENT_PATH_PREFIX = "/pulp/content/"
 
 API_APP_TTL = 120  # The heartbeat is called from gunicorn notify (defaulting to 45 sec).