merge with trunk

1 files changed, 42 insertions, 0 deletions

diff --git a/cloudinit/reporting/__init__.py b/cloudinit/reporting/__init__.py
new file mode 100644
index 00000000..6b41ae61
--- /dev/null
+++ b/cloudinit/reporting/__init__.py
@@ -0,0 +1,42 @@
+# Copyright 2015 Canonical Ltd.
+# This file is part of cloud-init.  See LICENCE file for license information.
+#
+"""
+cloud-init reporting framework
+
+The reporting framework is intended to allow all parts of cloud-init to
+report events in a structured manner.
+"""
+
+from ..registry import DictRegistry
+from .handlers import available_handlers
+
+DEFAULT_CONFIG = {
+    'logging': {'type': 'log'},
+}
+
+
+def update_configuration(config):
+    """Update the instanciated_handler_registry.
+
+    :param config:
+        The dictionary containing changes to apply.  If a key is given
+        with a False-ish value, the registered handler matching that name
+        will be unregistered.
+    """
+    for handler_name, handler_config in config.items():
+        if not handler_config:
+            instantiated_handler_registry.unregister_item(
+                handler_name, force=True)
+            continue
+        handler_config = handler_config.copy()
+        cls = available_handlers.registered_items[handler_config.pop('type')]
+        instantiated_handler_registry.unregister_item(handler_name)
+        instance = cls(**handler_config)
+        instantiated_handler_registry.register_item(handler_name, instance)
+
+
+instantiated_handler_registry = DictRegistry()
+update_configuration(DEFAULT_CONFIG)
+
+# vi: ts=4 expandtab