Merge "Add delete/update_volume_metadata policy rules"

diff --cc etc/cinder/policy.json
index 4df3113364ef1e0e911dee361ff45edf8a82b70e,d6c5620e0a60f2fc4ce0f117b68b830f24a86358..5a520c528bde37dc5c0c91cd4e0ee098eea54b12
--- 1/etc/cinder/policy.json
--- 2/etc/cinder/policy.json
+++ b/etc/cinder/policy.json
@@@ -7,9 -7,11 +7,11 @@@
  
      "volume:create": "",
      "volume:delete": "",
 -    "volume:get": "",
 +    "volume:get": "rule:admin_or_owner",
      "volume:get_all": "",
      "volume:get_volume_metadata": "",
+     "volume:delete_volume_metadata": "",
+     "volume:update_volume_metadata": "",
      "volume:get_volume_admin_metadata": "rule:admin_api",
      "volume:delete_volume_admin_metadata": "rule:admin_api",
      "volume:update_volume_admin_metadata": "rule:admin_api",