diff --git a/fuelmenu/common/utils.py b/fuelmenu/common/utils.py
index faf1a4c..f2e0db3 100644
--- a/fuelmenu/common/utils.py
+++ b/fuelmenu/common/utils.py
@@ -12,6 +12,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 import logging
+import os
 import random as _random
 import string
 import subprocess
@@ -24,16 +25,15 @@ random = _random.SystemRandom()
 
 
 def get_deployment_mode():
-    """Report if any fuel containers are already created."""
-    command = ['docker', 'ps', '-a']
+    """Report post deployment if keys directory exists."""
     try:
-        _, output, _ = execute(command)
-        if "fuel" in output.lower():
+        result = os.path.isdir('/var/lib/fuel/keys/master')
+        if result:
             return consts.POST_DEPLOYMENT_MODE
         else:
             return consts.PRE_DEPLOYMENT_MODE
     except OSError:
-        log.warning('Unable to check deployment mode via docker. Assuming'
+        log.warning('Unable to check deployment mode. Assuming'
                     ' pre-deployment stage.')
         return consts.PRE_DEPLOYMENT_MODE
 
diff --git a/fuelmenu/tests/test_common_utils.py b/fuelmenu/tests/test_common_utils.py
index ae734f6..1904f34 100644
--- a/fuelmenu/tests/test_common_utils.py
+++ b/fuelmenu/tests/test_common_utils.py
@@ -18,7 +18,6 @@ from fuelmenu.common import utils
 
 import mock
 from mock import patch
-import subprocess
 import unittest
 
 
@@ -31,21 +30,17 @@ class TestUtils(unittest.TestCase):
 
         return process_mock
 
-    def test_get_deployment_mode_pre(self):
-        process_mock = self.make_process_mock(return_code=0)
-        with patch.object(subprocess, 'Popen', return_value=process_mock):
-            mode = utils.get_deployment_mode()
-            process_mock.communicate.assert_called_once_with(input=None)
-            self.assertEqual('pre', mode)
+    @mock.patch('fuelmenu.common.utils.os')
+    def test_get_deployment_mode_pre(self, os_mock):
+        os_mock.path.isdir.return_value = False
+        mode = utils.get_deployment_mode()
+        self.assertEqual('pre', mode)
 
-    def test_get_deployment_mode_post(self):
-        output = 'fuel-core-8.0-rabbitmq'
-        process_mock = self.make_process_mock(return_code=0,
-                                              retval=(output, ''))
-        with patch.object(subprocess, 'Popen', return_value=process_mock):
-            mode = utils.get_deployment_mode()
-            process_mock.communicate.assert_called_once_with(input=None)
-            self.assertEqual('post', mode)
+    @mock.patch('fuelmenu.common.utils.os')
+    def test_get_deployment_mode_post(self, os_mock):
+        os_mock.path.isdir.return_value = True
+        mode = utils.get_deployment_mode()
+        self.assertEqual('post', mode)
 
     @mock.patch('fuelmenu.common.utils.get_deployment_mode')
     def test_is_pre_deployment(self, utils_mock):