finalize handlers even when another handler fails.

Instead of previously initializing and not finalizing the handles that
completed successfully when a handler initializing or running failed we
should attempt to always give said handlers a chance to finalize (even
when another handler fails).

LP: #1203368

1 files changed, 4 insertions, 1 deletions

diff --git a/cloudinit/helpers.py b/cloudinit/helpers.py
index b91c1290..1c46efde 100644
--- a/cloudinit/helpers.py
+++ b/cloudinit/helpers.py
@@ -281,6 +281,7 @@ class ContentHandlers(object):
 
     def __init__(self):
         self.registered = {}
+        self.initialized = []
 
     def __contains__(self, item):
         return self.is_registered(item)
@@ -291,11 +292,13 @@ class ContentHandlers(object):
     def is_registered(self, content_type):
         return content_type in self.registered
 
-    def register(self, mod):
+    def register(self, mod, initialized=False):
         types = set()
         for t in mod.list_types():
             self.registered[t] = mod
             types.add(t)
+        if initialized and mod not in self.initialized:
+            self.initialized.append(mod)
         return types
 
     def _get_handler(self, content_type):