Replace openstack commands with shade

Use openstack shade to get endpoint infomation rather than executing
openstack commands directly.

The next step can replace openstack commands by shade for some test cases that
need to create openstack resources (images, flavors) if we agree to use shade.

JIRA: DOVETAIL-659

Change-Id: I72b302fb2d4a61e9249a7e53f81ea9464944dcd3
Signed-off-by: xudan <xudan16@huawei.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/dovetail/utils/openstack_utils.py b/dovetail/utils/openstack_utils.py
new file mode 100644
index 00000000..c4dfabf9
--- /dev/null
+++ b/dovetail/utils/openstack_utils.py
@@ -0,0 +1,20 @@
+import json
+import os_client_config
+import shade
+from shade import exc
+
+
+class OS_Utils(object):
+
+    def __init__(self, **kwargs):
+        self.cloud = shade.OperatorCloud(os_client_config.get_config(**kwargs))
+        self.images = []
+        self.flavors = []
+
+    def list_endpoints(self):
+        try:
+            res = self.cloud.search_endpoints()
+            endpoints = json.dumps(res)
+            return True, endpoints
+        except exc.OpenStackCloudException as o_exc:
+            return False, o_exc.orig_message