Add API to get environments

JIRA: YARDSTICK-716

API: /api/v2/yardstick/environments
METHOD: GET

Change-Id: I46b7fb2b143fe76b6a0edbf1ecc8281187b85918
Signed-off-by: chenjiankun <chenjiankun1@huawei.com>

3 files changed, 22 insertions, 0 deletions

diff --git a/api/database/v2/handlers.py b/api/database/v2/handlers.py
index eb732817d..095ad724c 100644
--- a/api/database/v2/handlers.py
+++ b/api/database/v2/handlers.py
@@ -24,6 +24,9 @@ class V2EnvironmentHandler(object):
         db_session.commit()
         return environment
 
+    def list_all(self):
+        return V2Environment.query.all()
+
     def get_by_uuid(self, uuid):
         environment = V2Environment.query.filter_by(uuid=uuid).first()
         if not environment:
diff --git a/api/resources/v2/environments.py b/api/resources/v2/environments.py
index dc6eac725..4b27c45b8 100644
--- a/api/resources/v2/environments.py
+++ b/api/resources/v2/environments.py
@@ -1,9 +1,12 @@
 import uuid
 import logging
 
+from oslo_serialization import jsonutils
+
 from api import ApiResource
 from api.database.v2.handlers import V2EnvironmentHandler
 from yardstick.common.utils import result_handler
+from yardstick.common.utils import change_obj_to_dict
 from yardstick.common import constants as consts
 
 LOG = logging.getLogger(__name__)
@@ -12,6 +15,20 @@ LOG.setLevel(logging.DEBUG)
 
 class V2Environments(ApiResource):
 
+    def get(self):
+        environment_handler = V2EnvironmentHandler()
+        environments = [change_obj_to_dict(e) for e in environment_handler.list_all()]
+
+        for e in environments:
+            container_info = e['container_id']
+            e['container_id'] = jsonutils.loads(container_info) if container_info else {}
+
+        data = {
+            'environments': environments
+        }
+
+        return result_handler(consts.API_SUCCESS, data)
+
     def post(self):
         return self._dispatch_post()
 
@@ -24,6 +41,7 @@ class V2Environments(ApiResource):
         env_id = str(uuid.uuid4())
 
         environment_handler = V2EnvironmentHandler()
+
         env_init_data = {
             'name': name,
             'uuid': env_id
diff --git a/api/urls.py b/api/urls.py
index 0ffba89c9..0c63fb040 100644
--- a/api/urls.py
+++ b/api/urls.py
@@ -22,5 +22,6 @@ urlpatterns = [
     Url('/yardstick/env/action', 'v1_env'),
 
     # api v2
+    Url('/api/v2/yardstick/environments', 'v2_environments'),
     Url('/api/v2/yardstick/environments/action', 'v2_environments'),
 ]