Support Cloudpulse with WSGI

Change-Id: Ibbe56daa10fa81559bd7b39104f58649be91d3c7
(cherry picked from commit fe39d727d8)

cloudpulse.wsgi

@@ -0,0 +1,5 @@
+# With wsgi the default config file will be read from
+# /docker/cloudpulse/cloudpulse.conf
+
+from pecan.deploy import deploy
+application = deploy('/cloudpulse/cloudpulse/config.py')

cloudpulse/api/app.py

@@ -9,12 +9,16 @@
 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
+import eventlet
+eventlet.monkey_patch()
 
 from oslo_config import cfg
 import pecan
+import sys
 
 from cloudpulse.api import auth
 from cloudpulse.api import config as api_config
+from cloudpulse.api import hooks
 from cloudpulse.api import middleware
 from cloudpulse.common.timerthread import cpulseTimer
 from cloudpulse.common.timerthread import timerfunc
@@ -63,11 +67,24 @@ def get_pecan_config():
 
 
 def setup_app(config=None):
+    # It is recomended to run cloudpulse with the config file
+    # However with wsgi the default config file will be read from
+    # /docker/cloudpulse/cloudpulse.conf
+    if len(sys.argv) == 1:
+        cfg.CONF(["--config-file", "/docker/cloudpulse/cloudpulse.conf"],
+                 project='cloudpulse')
+
     if not config:
         config = get_pecan_config()
 
     app_conf = dict(config.app)
 
+    app_conf["hooks"] = [
+        hooks.ContextHook(),
+        hooks.RPCHook(),
+        hooks.NoExceptionTracebackHook(),
+    ]
+
     app = pecan.make_app(
         app_conf.pop('root'),
         logging=getattr(config, 'logging', {}),

cloudpulse/config.py

@@ -31,6 +31,9 @@ app = {
     'static_root': '%(confdir)s/public',
     'template_path': '%(confdir)s/api/templates',
     'debug': True,
+    'acl_public_routes': [
+        '/'
+    ],
     'errors': {
         404: '/error/404',
         '__force_dict__': True