Add destructive tests for plugins toolchain

Add test with network outage in whole cluster.
Add test with network outage on plugins toolchain node.

Change-Id: I556abc4fc974a705c4d15345e875ff639ec41eab

stacklight_tests/run_tests.py

@@ -55,6 +55,7 @@ def import_tests():
     from stacklight_tests.lma_infrastructure_alerting import (  # noqa
         test_system)
     from stacklight_tests.toolchain import test_dedicated_environment  # noqa
+    from stacklight_tests.toolchain import test_destructive  # noqa
     from stacklight_tests.toolchain import test_detached_plugins  # noqa
     from stacklight_tests.toolchain import test_functional  # noqa
     from stacklight_tests.toolchain import test_https_plugins  # noqa

stacklight_tests/toolchain/test_destructive.py

@@ -0,0 +1,86 @@
+#    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.
+
+from fuelweb_test.helpers.decorators import log_snapshot_after_test
+from proboscis import test
+
+from stacklight_tests.toolchain import api
+
+
+@test(groups=["plugins"])
+class TestDestructiveToolchainPlugin(api.ToolchainApi):
+    """Class for testing plugin failover after network disaster."""
+
+    @test(depends_on_groups=["deploy_ha_toolchain"],
+          groups=["check_disaster_toolchain", "toolchain",
+                  "destructive", "check_cluster_outage_toolchain"])
+    @log_snapshot_after_test
+    def check_cluster_outage_toolchain(self):
+        """Verify that the backends and dashboards recover
+        after a network outage of the whole cluster with plugins toolchain.
+
+        Scenario:
+            1. Revert the snapshot with 9 deployed nodes in HA configuration
+            2. Simulate a network outage of the whole cluster
+               with plugins toolchain
+            3. Wait for at least 7 minutes before network recovery
+            4. Wait for all services to be back online
+            5. Run OSTF
+            6. Check that the cluster's state is okay
+
+        Duration 40m
+        """
+        self.env.revert_snapshot("deploy_ha_toolchain")
+
+        self.helpers.emulate_whole_network_disaster(
+            delay_before_recover=7 * 60)
+
+        self.INFLUXDB_GRAFANA.wait_plugin_online()
+        self.ELASTICSEARCH_KIBANA.wait_plugin_online()
+        self.LMA_INFRASTRUCTURE_ALERTING.wait_plugin_online()
+
+        # NOTE(rpromyshlennikov): OpenStack cluster can't recover after it,
+        # but plugins toolchain is working properly
+        self.helpers.run_ostf()
+
+    @test(depends_on_groups=["deploy_toolchain"],
+          groups=["check_disaster_toolchain", "toolchain",
+                  "destructive", "check_node_outage_toolchain"])
+    @log_snapshot_after_test
+    def check_node_outage_toolchain(self):
+        """Verify that the backends and dashboards recover after
+        a network outage on a standalone plugins toolchain node.
+
+        Scenario:
+            1. Revert the snapshot with 3 deployed nodes
+            2. Simulate network interruption on the Toolchain node
+            3. Wait for at least 30 seconds before recover network availability
+            4. Run OSTF
+            5. Check that plugins toolchain is working
+
+        Duration 20m
+        """
+        self.env.revert_snapshot("deploy_toolchain")
+
+        with self.fuel_web.get_ssh_for_nailgun_node(
+                self.helpers.get_master_node_by_role(
+                    self.settings.stacklight_roles)
+        ) as remote:
+            self.remote_ops.simulate_network_interrupt_on_node(remote)
+
+        self.INFLUXDB_GRAFANA.wait_plugin_online()
+        self.ELASTICSEARCH_KIBANA.wait_plugin_online()
+        self.LMA_INFRASTRUCTURE_ALERTING.wait_plugin_online()
+
+        self.helpers.run_ostf()