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-rw-r--r--cloudinit/mergers/m_list.py8
1 files changed, 5 insertions, 3 deletions
diff --git a/cloudinit/mergers/m_list.py b/cloudinit/mergers/m_list.py
index 1184ded7..76591bea 100644
--- a/cloudinit/mergers/m_list.py
+++ b/cloudinit/mergers/m_list.py
@@ -17,7 +17,7 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
DEF_MERGE_TYPE = 'replace'
-MERGE_TYPES = ('append', 'prepend', DEF_MERGE_TYPE,)
+MERGE_TYPES = ('append', 'prepend', DEF_MERGE_TYPE, 'no_replace')
def _has_any(what, *keys):
for k in keys:
@@ -67,14 +67,16 @@ class Merger(object):
return merged_list
def merge_same_index(old_v, new_v):
+ if self._method == 'no_replace':
+ # Leave it be...
+ return old_v
if isinstance(new_v, (list, tuple)) and self._recurse_array:
return self._merger.merge(old_v, new_v)
if isinstance(new_v, (str, basestring)) and self._recurse_str:
return self._merger.merge(old_v, new_v)
if isinstance(new_v, (dict)) and self._recurse_dict:
return self._merger.merge(old_v, new_v)
- # Otherwise leave it be...
- return old_v
+ return new_v
# Ok now we are replacing same indexes
merged_list.extend(value)