get location parameter form ext hwm

Change-Id: I972dbba8777e966932bc323df6ffdc9535a52499
Signed-off-by: Yao Lu <lu.yao135@zte.com.cn>

code/daisy/daisy/api/v1/hosts.py

@@ -710,6 +710,18 @@ class Controller(controller.BaseController):
         """
         self._enforce(req, 'get_host')
         host_meta = self.get_host_meta_or_404(req, id)
+        path = os.path.join(os.path.abspath(os.path.dirname(
+            os.path.realpath(__file__))), 'ext')
+        for root, dirs, names in os.walk(path):
+            filename = 'router.py'
+            if filename in names:
+                ext_name = root.split(path)[1].strip('/')
+                ext_func = "%s.api.hosts" % ext_name
+                extension = importutils.import_module('daisy.api.v1.ext',
+                                                      ext_func)
+                if 'complement_host_extra_info' in dir(extersion):
+                    extension.complement_host_extra_info(host_meta)
+
         os_handle = get_os_handle()
         os_handle.check_discover_state(req,
                                        host_meta,

code/daisy/daisy/registry/api/v1/hosts.py

@@ -388,7 +388,6 @@ class Controller(object):
             raise
 
         # Currently not used
-        location = ""
 
         host_interface = self.db_api.get_host_interface(req.context, id)
 
@@ -422,9 +421,6 @@ class Controller(object):
             host_data['host']['deployment_backends'] = backends
         if cluster_name:
             host_data['host']['cluster'] = cluster_name
-
-        host_data['host']['position'] = location
-
         return host_data
 
     @utils.mutating

code/daisy/daisy/tests/registry/api/test_hosts.py

@@ -29,4 +29,3 @@ class TestHost(test.TestCase):
         host_controller = registry_hosts.Controller()
         host = host_controller.get_host(self.req, id)
         self.assertEqual(daisy.db.sqlalchemy.models.Host, type(host['host']))
-        self.assertEqual("", host['host'].position)