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-rw-r--r--yardstick/common/constants.py2
-rw-r--r--yardstick/common/utils.py10
2 files changed, 12 insertions, 0 deletions
diff --git a/yardstick/common/constants.py b/yardstick/common/constants.py
index bf616a1f6..e6faf6828 100644
--- a/yardstick/common/constants.py
+++ b/yardstick/common/constants.py
@@ -59,3 +59,5 @@ ENV_ACTION_API = BASE_URL + '/yardstick/env/action'
ASYNC_TASK_API = BASE_URL + '/yardstick/asynctask'
SQLITE = 'sqlite:////tmp/yardstick.db'
+
+DEFAULT_OUTPUT_FILE = '/tmp/yardstick.out'
diff --git a/yardstick/common/utils.py b/yardstick/common/utils.py
index 57ace14e6..473bbf540 100644
--- a/yardstick/common/utils.py
+++ b/yardstick/common/utils.py
@@ -30,6 +30,7 @@ from keystoneauth1 import identity
from keystoneauth1 import session
from neutronclient.v2_0 import client
from oslo_utils import importutils
+from oslo_serialization import jsonutils
import yardstick
@@ -145,3 +146,12 @@ def get_neutron_client():
sess = get_openstack_session()
neutron_client = client.Client(session=sess)
return neutron_client
+
+
+def write_json_to_file(path, data, mode='w'):
+ write_file(path, jsonutils.dump_as_bytes(data), mode)
+
+
+def write_file(path, data, mode='w'):
+ with open(path, mode) as f:
+ f.write(data)