Merge lp:~rvb/maas/component-bug-1307415-1.5 into lp:maas/1.5

[Raphaël Badin]

Backport revision 2265: Move the registration of components errors into the critical section. This is part of the start up code and thus outside of transaction management so moving this code inside the critical section avoids race conditions between WSGI processes.

[Raphaël Badin (rvb)]

Simple backport, self-approving.

review: Approve

=== modified file 'src/maasserver/start_up.py'
--- src/maasserver/start_up.py	2014-03-25 19:21:59 +0000
+++ src/maasserver/start_up.py	2014-04-15 07:43:43 +0000
@@ -86,11 +86,11 @@
     # Regenerate MAAS's DNS configuration.  This should be reentrant, really.
     write_full_dns_config(reload_retry=True)
 
+    # Check whether we have boot images yet.
+    update_import_script_error()
+
 
 def post_start_up():
     """Startup jobs that can run after the critical section."""
-    # Check whether we have boot images yet.
-    update_import_script_error()
-
     # Send secrets etc. to workers.
     NodeGroup.objects.refresh_workers()