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-rw-r--r--nova/api/ec2/cloud.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py
index 6d4f58499..bd7fbc3ac 100644
--- a/nova/api/ec2/cloud.py
+++ b/nova/api/ec2/cloud.py
@@ -25,6 +25,7 @@ datastore.
import base64
import datetime
import logging
+import re
import os
import time
@@ -533,6 +534,8 @@ class CloudController(object):
def attach_volume(self, context, volume_id, instance_id, device, **kwargs):
volume_ref = db.volume_get_by_ec2_id(context, volume_id)
+ if not re.match("^/dev/[a-z]d[a-z]+$", device):
+ raise exception.ApiError("Invalid device. Example /dev/vdb")
# TODO(vish): abstract status checking?
if volume_ref['status'] != "available":
raise exception.ApiError("Volume status must be available")