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-rw-r--r--nova/compute/api.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/nova/compute/api.py b/nova/compute/api.py
index 62bcc482a..bba6ee1eb 100644
--- a/nova/compute/api.py
+++ b/nova/compute/api.py
@@ -100,6 +100,7 @@ CONF.import_opt('enable', 'nova.cells.opts', group='cells')
MAX_USERDATA_SIZE = 65535
QUOTAS = quota.QUOTAS
+RO_SECURITY_GROUPS = ['default']
def check_instance_state(vm_state=None, task_state=(None,)):
@@ -2880,6 +2881,11 @@ class SecurityGroupAPI(base.Base, security_group_base.SecurityGroupBase):
return groups
def destroy(self, context, security_group):
+ if security_group['name'] in RO_SECURITY_GROUPS:
+ msg = _("Unable to delete system group '%s'") % \
+ security_group['name']
+ self.raise_invalid_group(msg)
+
if self.db.security_group_in_use(context, security_group['id']):
msg = _("Security group is still in use")
self.raise_invalid_group(msg)