Add virtlet deploy step

Added fixture, manager and step for deploy virtlet.
Added test for deploy virtlet.

Change-Id: I63a2c4dcd95ba78af60b610a9ae621a784d87fd8
Reviewed-on: https://review.gerrithub.io/362146
Reviewed-by: Sergii Golovatiuk <holser@gmail.com>
Reviewed-by: Tatyanka Leontovich <tleontovich@mirantis.com>
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/tests/system/test_install_virtlet.py b/tcp_tests/tests/system/test_install_virtlet.py
new file mode 100644
index 0000000..7976761
--- /dev/null
+++ b/tcp_tests/tests/system/test_install_virtlet.py
@@ -0,0 +1,50 @@
+#    Copyright 2017 Mirantis, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, 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 copy
+import time
+
+import pytest
+
+from tcp_tests import settings
+from tcp_tests.helpers import ext
+from tcp_tests import logger
+
+LOG = logger.logger
+
+
+@pytest.mark.deploy
+class TestVirtletInstall(object):
+    """Test class for testing Virtlet deploy"""
+
+    #salt_cmd = 'salt -l debug '  # For debug output
+    #salt_call_cmd = 'salt-call -l debug '  # For debug output
+    salt_cmd = 'salt --hard-crash --state-output=mixed --state-verbose=False '  # For cause only output
+    salt_call_cmd = 'salt-call --hard-crash --state-output=mixed --state-verbose=False '  # For cause only output
+    #salt_cmd = 'salt --state-output=terse --state-verbose=False '  # For reduced output
+    #salt_call_cmd = 'salt-call --state-output=terse --state-verbose=False '  # For reduced output
+
+    # @pytest.mark.snapshot_needed
+    # @pytest.mark.fail_snapshot
+    def test_virtlet_install(self, underlay, virtlet_deployed,
+                                     show_step):
+        """Test for deploying an mcp environment with virtlet
+
+        Scenario:
+            1. Prepare salt on hosts
+            2. Setup controller nodes
+            3. Setup compute nodes
+            4. Setup virtlet
+
+        """
+        LOG.info("*************** DONE **************")