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-rw-r--r--nova/utils.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/nova/utils.py b/nova/utils.py
index c1a12cade..7eb7aa662 100644
--- a/nova/utils.py
+++ b/nova/utils.py
@@ -918,7 +918,9 @@ def bool_from_str(val):
try:
return True if int(val) else False
except ValueError:
- return val.lower() == 'true'
+ return val.lower() == 'true' or \
+ val.lower() == 'yes' or \
+ val.lower() == 'y'
def is_valid_ipv4(address):