Add a fixture for Decapod

Change-Id: I4cf305d6a844462024d77bc279133e730b6d5c38
Reviewed-on: https://review.gerrithub.io/373733
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/fixtures/decapod_fixtures.py b/tcp_tests/fixtures/decapod_fixtures.py
new file mode 100644
index 0000000..ddbb8c9
--- /dev/null
+++ b/tcp_tests/fixtures/decapod_fixtures.py
@@ -0,0 +1,84 @@
+#    Copyright 2016 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 os
+
+import pytest
+import yaml
+
+from tcp_tests import logger
+from tcp_tests.helpers import ext
+from tcp_tests import settings
+from tcp_tests.managers import decapod_manager
+
+LOG = logger.logger
+
+
+@pytest.fixture(scope='function')
+def decapod_actions(config, underlay, salt_actions):
+    """Fixture that provides various actions for Decapod
+
+    :param config: fixture provides oslo.config
+    :param underlay: fixture provides underlay manager
+    :rtype: DecapodManager
+    """
+    return decapod_manager.DecapodManager(config, underlay, salt_actions)
+
+
+@pytest.mark.revert_snapshot(ext.SNAPSHOT.decapod_deployed)
+@pytest.fixture(scope='function')
+def decapod_deployed(revert_snapshot, request, config,
+                     hardware, underlay, salt_deployed,
+                     decapod_actions):
+    """Fixture to get or install Decapod on the environment
+
+    :param revert_snapshot: fixture that reverts snapshot that is specified
+                            in test with @pytest.mark.revert_snapshot(<name>)
+    :param request: fixture provides pytest data
+    :param config: fixture provides oslo.config
+    :param hardware: fixture provides enviromnet manager
+    :param underlay: fixture provides underlay manager
+    :param decapod_actions: fixture provides DecapodManager instance
+    :rtype: DecapodManager
+
+    If config.decapod.decapod_installed is not set, this
+    fixture assumes that the Decapod were not installed
+    , and do the following:
+    - install Decapod
+    - make snapshot with name 'decapod_deployed'
+    - return DecapodManager
+
+    If config.decapod.decapod_installed was set, this fixture
+    assumes that the Decapod were already installed, and do
+    the following:
+    - return DecapodManager instance
+
+    If you want to revert 'decapod_deployed' snapshot, please use mark:
+    @pytest.mark.revert_snapshot("decapod_deployed")
+    """
+    if not config.decapod.decapod_installed:
+        steps_path = config.decapod_deploy.decapod_steps_path
+        commands = underlay.read_template(steps_path)
+        decapod_actions.install(commands)
+        hardware.create_snapshot(ext.SNAPSHOT.decapod_deployed)
+
+    else:
+        # 1. hardware environment created and powered on
+        # 2. config.underlay.ssh contains SSH access to provisioned nodes
+        #    (can be passed from external config with TESTS_CONFIGS variable)
+        # 3. config.tcp.* options contain access credentials to the already
+        #    installed TCP API endpoint
+        pass
+
+    return decapod_actions
diff --git a/tcp_tests/helpers/ext.py b/tcp_tests/helpers/ext.py
index 17bcee5..98853f5 100644
--- a/tcp_tests/helpers/ext.py
+++ b/tcp_tests/helpers/ext.py
@@ -27,6 +27,9 @@
     'salt_master',
     'salt_minion',
     'k8s_virtlet',
+    'decapod_mon',
+    'decapod_osd',
+    'decapod_all',
 )
 
 NETWORK_TYPE = enum(
@@ -44,7 +47,8 @@
     'sl_deployed',
     'virtlet_deployed',
     'virtlet_ceph_deployed',
-    'k8s_deployed'
+    'k8s_deployed',
+    'decapod_deployed',
 )
 
 LOG_LEVELS = enum(
diff --git a/tcp_tests/managers/decapod_manager.py b/tcp_tests/managers/decapod_manager.py
new file mode 100644
index 0000000..0206bea
--- /dev/null
+++ b/tcp_tests/managers/decapod_manager.py
@@ -0,0 +1,39 @@
+#    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.
+
+from tcp_tests.managers.execute_commands import ExecuteCommandsMixin
+
+
+class DecapodManager(ExecuteCommandsMixin):
+    """docstring for DecapodManager"""
+
+    __config = None
+    __underlay = None
+
+    def __init__(self, config, underlay, salt=None):
+        self.__config = config
+        self.__underlay = underlay
+        self._salt = salt
+        self.decapod_nodes = [
+            i for i in self.__config.underlay.ssh
+            if any([ext.UNDERLAY_NODE_ROLES.decapod_mon in i['roles'],
+                    ext.UNDERLAY_NODE_ROLES.decapod_osd in i['roles'],
+                    ext.UNDERLAY_NODE_ROLES.decapod_all in i['roles']])]
+        super(DecapodManager, self).__init__(
+            config=config, underlay=underlay)
+
+    def install(self, commands):
+        self.execute_commands(commands,
+                              label='Deploy Ceph cluster with Decapod')
+        self.__config.decapod.decapod_installed = True
diff --git a/tcp_tests/settings_oslo.py b/tcp_tests/settings_oslo.py
index e0dd605..7913340 100644
--- a/tcp_tests/settings_oslo.py
+++ b/tcp_tests/settings_oslo.py
@@ -38,6 +38,10 @@
     __name__,
     'templates/{0}/oss.yaml'.format(
         settings.LAB_CONFIG_NAME))
+_default_decapod_steps = pkg_resources.resource_filename(
+    __name__,
+    'templates/{0}/decapod.yaml'.format(
+        settings.LAB_CONFIG_NAME))
 _default_openstack_steps = pkg_resources.resource_filename(
     __name__, 'templates/{0}/openstack.yaml'.format(
         settings.LAB_CONFIG_NAME))
@@ -144,6 +148,17 @@
            help="", default=False),
 ]
 
+decapod_deploy_opts = [
+    ct.Cfg('decapod_steps_path', ct.String(),
+           help="Path to YAML with steps to deploy Ceph with Decapod",
+           default=_default_decapod_steps),
+]
+
+decapod_opts = [
+    ct.Cfg('decapod_installed', ct.Boolean(),
+           help="", default=False),
+]
+
 openstack_deploy_opts = [
     ct.Cfg('openstack_steps_path', ct.String(),
            help="Path to YAML with steps to deploy openstack",
@@ -277,6 +292,8 @@
     ('common_services', common_services_opts),
     ('oss_deploy', oss_deploy_opts),
     ('oss', oss_opts),
+    ('decapod_deploy', decapod_deploy_opts),
+    ('decapod', decapod_opts),
     ('openstack_deploy', openstack_deploy_opts),
     ('openstack', openstack_opts),
     ('opencontrail', opencontrail_opts),
@@ -326,6 +343,15 @@
     config.register_opts(group='oss_deploy',
                          opts=oss_deploy_opts)
 
+    config.register_group(cfg.OptGroup(name='decapod',
+                          title="Decapod options for Ceph", help=""))
+    config.register_opts(group='decapod', opts=decapod_opts)
+
+    config.register_group(cfg.OptGroup(name='decapod_deploy',
+                          title="Decapod deploy config", help=""))
+    config.register_opts(group='decapod_deploy',
+                         opts=decapod_deploy_opts)
+
     config.register_group(cfg.OptGroup(name='openstack',
                           title="Openstack config and credentials", help=""))
     config.register_opts(group='openstack', opts=openstack_opts)
@@ -344,8 +370,8 @@
     config.register_opts(group='stack_light', opts=sl_opts)
     config.register_group(
         cfg.OptGroup(name='sl_deploy',
-                 title="SL deploy config and credentials",
-                 help=""))
+                     title="SL deploy config and credentials",
+                     help=""))
     config.register_opts(group='sl_deploy', opts=sl_deploy_opts)
     config.register_group(cfg.OptGroup(name='virtlet_deploy',
                                        title='Virtlet deploy config', help=""))
diff --git a/tcp_tests/tests/system/conftest.py b/tcp_tests/tests/system/conftest.py
index 2fc3f23..4f904ed 100644
--- a/tcp_tests/tests/system/conftest.py
+++ b/tcp_tests/tests/system/conftest.py
@@ -22,6 +22,7 @@
 from tcp_tests.fixtures.openstack_fixtures import *
 from tcp_tests.fixtures.opencontrail_fixtures import *
 from tcp_tests.fixtures.oss_fixtures import *
+from tcp_tests.fixtures.decapod_fixtures import *
 from tcp_tests.fixtures.stacklight_fixtures import *
 from tcp_tests.fixtures.virtlet_fixtures import *
 from tcp_tests.fixtures.virtlet_ceph_fixtures import *
@@ -52,6 +53,9 @@
     # oss_fixtures
     'oss_actions',
     'oss_deployed',
+    # decapod_fixtures
+    'decapod_actions',
+    'decapod_deployed',
     # component fixtures
     'opencontrail',
     # stacklight_fixtures
diff --git a/tcp_tests/tests/system/test_install_mcp11_ovs_ocata.py b/tcp_tests/tests/system/test_install_mcp11_ovs_ocata.py
index f029744..b11d78a 100644
--- a/tcp_tests/tests/system/test_install_mcp11_ovs_ocata.py
+++ b/tcp_tests/tests/system/test_install_mcp11_ovs_ocata.py
@@ -57,3 +57,17 @@
         3. Setup compute nodes
         """
         LOG.info("*************** DONE **************")
+
+    @pytest.mark.fail_snapshot
+    def test_mcp11_ocata_dvr_decapod_install(self, underlay, decapod_deployed,
+                                             openstack_deployed, show_step):
+        """Test for deploying an mcp dpdk environment and check it
+
+        :type list: decapod_deployed.decapod_nodes , list of
+                    config.underlay.ssh objects filtered for decapod roles.
+        Scenario:
+        1. Prepare salt on hosts
+        2. Setup controller nodes
+        3. Setup compute nodes
+        """
+        LOG.info("*************** DONE **************")