Merge "support adding and deleting templates without the need to restart vitrage."

devstack/post_test_hook.sh

@@ -24,22 +24,25 @@ else
   TESTS="topology"
 fi
 
+if [ "$DEVSTACK_GATE_USE_PYTHON3" == "True" ]; then
+        export PYTHON=python3
+fi
+
 sudo cp -rf $DEVSTACK_PATH/vitrage/vitrage_tempest_tests/tests/resources/static_physical/static_physical_configuration.yaml /etc/vitrage/
 sudo cp -rf $DEVSTACK_PATH/vitrage/vitrage_tempest_tests/tests/resources/heat/heat_template.yaml /etc/vitrage/
 sudo cp -rf $DEVSTACK_PATH/vitrage/vitrage_tempest_tests/tests/resources/heat/heat_nested_template.yaml /etc/vitrage/
 sudo cp -rf $DEVSTACK_PATH/vitrage/vitrage_tempest_tests/tests/resources/heat/server.yaml /etc/vitrage/
-sudo cp -rf $DEVSTACK_PATH/vitrage/vitrage_tempest_tests/tests/resources/templates/api/* /etc/vitrage/templates/
 sudo cp $DEVSTACK_PATH/tempest/etc/logging.conf.sample $DEVSTACK_PATH/tempest/etc/logging.conf
 
-# copied the templates need to restart
+${PYTHON:-python} $DEVSTACK_PATH/vitrage/vitrage_tempest_tests/add_legacy_dir_templates.py
+
+# restart due to configuration files changes
 sudo systemctl restart devstack@vitrage-graph.service
 
 # wait for 30 seconds
 sleep 30
 
-if [ "$DEVSTACK_GATE_USE_PYTHON3" == "True" ]; then
+
-        export PYTHON=python3
-fi
 
 cd $DEVSTACK_PATH/tempest/; sudo -E testr init
 

vitrage/api/controllers/v1/template.py

@@ -21,7 +21,9 @@ from pecan.core import abort
 
 from vitrage.api.controllers.rest import RootRestController
 from vitrage.api.policy import enforce
-
+from vitrage.common.constants import TemplateStatus as TStatus
+from vitrage.common.exception import VitrageError
+from vitrage.evaluator.template_db import template_repository as template_repo
 
 LOG = log.getLogger(__name__)
 
@@ -65,6 +67,38 @@ class TemplateController(RootRestController):
                           to_unicode)
             abort(404, to_unicode)
 
+    @pecan.expose('json')
+    def delete(self, **kwargs):
+        uuid = kwargs['uuid']
+        LOG.info("delete template. uuid: %s", str(uuid))
+
+        enforce("template delete",
+                pecan.request.headers,
+                pecan.request.enforcer,
+                {})
+        try:
+            return self._delete(uuid)
+        except Exception as e:
+            LOG.exception('failed to delete template %s', e)
+            abort(404, str(e))
+
+    @pecan.expose('json')
+    def put(self, **kwargs):
+        template_path = kwargs['path']
+        LOG.info("add template: %s", template_path)
+
+        enforce("template add",
+                pecan.request.headers,
+                pecan.request.enforcer,
+                {})
+        template_type = kwargs['template_type']
+
+        try:
+            return self._add(template_path, template_type)
+        except Exception as e:
+            LOG.exception('failed to add template %s', e)
+            abort(404, str(e))
+
     @pecan.expose('json')
     def post(self, **kwargs):
 
@@ -84,30 +118,25 @@ class TemplateController(RootRestController):
             LOG.exception('failed to validate template(s) %s', to_unicode)
             abort(404, to_unicode)
 
-    @staticmethod
+    @classmethod
-    def _get_templates():
+    def _get_templates(cls):
-        templates_json = pecan.request.client.call(pecan.request.context,
-                                                   'get_templates')
-        LOG.info(templates_json)
-
         try:
-            template_list = json.loads(templates_json)['templates_details']
+            templates = pecan.request.storage.templates.query()
-            return template_list
+            templates = [t for t in templates if t.status != TStatus.DELETED]
+            templates.sort(key=lambda template: template.created_at)
+            return [cls._db_template_to_dict(t) for t in templates]
         except Exception as e:
             to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('failed to get template list %s ', to_unicode)
             abort(404, to_unicode)
 
     @staticmethod
-    def _show_template(template_uuid):
+    def _show_template(uuid):
-
-        template_json = pecan.request.client.call(pecan.request.context,
-                                                  'show_template',
-                                                  template_uuid=template_uuid)
-        LOG.info(template_json)
-
         try:
-            return json.loads(template_json)
+            templates = pecan.request.storage.templates.query(uuid=uuid)
+            if not templates:
+                raise VitrageError("Template %s not found", uuid)
+            return templates[0].file_content
         except Exception as e:
             to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('failed to show template with uuid: %s ', to_unicode)
@@ -125,3 +154,44 @@ class TemplateController(RootRestController):
             to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('failed to open template file(s) %s ', to_unicode)
             abort(404, to_unicode)
+
+    @classmethod
+    def _add(cls, path, template_type):
+        try:
+            templates = template_repo.add_template_to_db(
+                pecan.request.storage, path, template_type)
+            pecan.request.client.call(pecan.request.context, 'add_template')
+            return [cls._db_template_to_dict(t) for t in templates]
+        except Exception as e:
+            LOG.exception('failed to add template file %s ', e)
+            abort(404, str(e))
+
+    @classmethod
+    def _db_template_to_dict(cls, template):
+        return {
+            "uuid": template.uuid,
+            "name": template.name,
+            "status": template.status,
+            "date": template.created_at,
+            "status details": template.status_details,
+            "type": template.template_type,
+        }
+
+    @staticmethod
+    def _delete(uuid):
+        try:
+            storage = pecan.request.storage
+            templates = storage.templates.query(uuid=uuid)
+            if not templates:
+                raise VitrageError('template does not exists')
+            elif templates[0].status == TStatus.DELETED:
+                raise VitrageError('template is deleted')
+            elif templates[0].status == TStatus.ERROR:
+                storage.templates.update(uuid, "status", TStatus.DELETED)
+            elif templates[0].status == TStatus.ACTIVE:
+                storage.templates.update(uuid, "status", TStatus.DELETING)
+                pecan.request.client.call(pecan.request.context,
+                                          'delete_template')
+        except Exception as e:
+            LOG.exception('failed to delete template file %s ', e)
+            abort(404, str(e))

vitrage/api_handler/apis/template.py

@@ -16,7 +16,6 @@ import json
 from oslo_log import log
 from osprofiler import profiler
 
-from vitrage.evaluator.template_fields import TemplateFields
 from vitrage.evaluator.template_validation.content.template_content_validator \
     import content_validation
 from vitrage.evaluator.template_validation.status_messages import status_msgs
@@ -34,41 +33,8 @@ class TemplateApis(object):
     FAILED_MSG = 'validation failed'
     OK_MSG = 'validation OK'
 
-    def __init__(self, templates, def_templates=None):
+    def __init__(self, notifier=None):
-
+        self.notifier = notifier
-        if def_templates is None:
-            def_templates = {}
-
-        self.def_templates = def_templates
-        self.templates = templates
-
-    def get_templates(self, ctx):
-        LOG.debug("TemplateApis get_templates")
-
-        templates_details = []
-        for uuid, template in self.templates.items():
-
-            template_metadata = template.data[TemplateFields.METADATA]
-
-            templates_details.append({
-                'uuid': str(template.uuid),
-                'name': template_metadata[TemplateFields.NAME],
-                'status': self._get_template_status(template.result),
-                'status details': template.result.comment,
-                'date': template.date.strftime('%Y-%m-%dT%H:%M:%SZ')
-            })
-        return json.dumps({'templates_details': templates_details})
-
-    def show_template(self, ctx, template_uuid):
-
-        LOG.debug("Show template with uuid: %s", str(template_uuid))
-
-        template = self.templates[template_uuid]
-
-        if template:
-            return json.dumps(template.data)
-        else:
-            return json.dumps({'ERROR': 'Incorrect uuid'})
 
     def validate_template(self, ctx, templates):
         LOG.debug("TemplateApis validate_template templates:"
@@ -111,6 +77,23 @@ class TemplateApis(object):
 
         return json.dumps({'results': results})
 
+    def add_template(self, ctx):
+        """Signal the evaluator
+
+         A new template has been added to the database with a status of
+         LOADING that needs to be handled.
+        """
+        LOG.info("Add Template Running")
+        self.notifier.notify("add template", {'template_action': 'add'})
+
+    def delete_template(self, ctx):
+        """Signal the evaluator
+
+         A template status has been changed to DELETING.
+        """
+        LOG.info("Delete Template Running")
+        self.notifier.notify("delete template", {'template_action': 'delete'})
+
     @staticmethod
     def _add_result(template_path, status, description, message, status_code,
                     results):

vitrage/api_handler/service.py

@@ -16,6 +16,9 @@ from oslo_log import log
 import oslo_messaging
 from oslo_service import service as os_service
 
+from vitrage.entity_graph import EVALUATOR_TOPIC
+from vitrage.messaging import VitrageNotifier
+
 from vitrage.api_handler.apis.alarm import AlarmApis
 from vitrage.api_handler.apis.event import EventApis
 from vitrage.api_handler.apis.rca import RcaApis
@@ -30,11 +33,12 @@ LOG = log.getLogger(__name__)
 
 class VitrageApiHandlerService(os_service.Service):
 
-    def __init__(self, conf, e_graph, scenario_repo):
+    def __init__(self, conf, e_graph):
         super(VitrageApiHandlerService, self).__init__()
         self.conf = conf
         self.entity_graph = e_graph
-        self.scenario_repo = scenario_repo
+        self.notifier = VitrageNotifier(self.conf, "vitrage.api",
+                                        EVALUATOR_TOPIC)
 
     def start(self):
         LOG.info("Vitrage Api Handler Service - Starting...")
@@ -49,9 +53,7 @@ class VitrageApiHandlerService(os_service.Service):
         endpoints = [TopologyApis(self.entity_graph, self.conf),
                      AlarmApis(self.entity_graph, self.conf),
                      RcaApis(self.entity_graph, self.conf),
-                     TemplateApis(
+                     TemplateApis(self.notifier),
-                         self.scenario_repo.templates,
-                         self.scenario_repo.def_templates),
                      EventApis(self.conf),
                      ResourceApis(self.entity_graph, self.conf)]
 

vitrage/cli/graph.py

@@ -21,11 +21,12 @@ from vitrage.api_handler.service import VitrageApiHandlerService
 from vitrage.cli import VITRAGE_TITLE
 from vitrage import entity_graph
 from vitrage.entity_graph.consistency.service import VitrageConsistencyService
-from vitrage.entity_graph.service import VitrageGraphService
-from vitrage.evaluator.scenario_repository import ScenarioRepository
 from vitrage import service
 from vitrage import storage
 
+from vitrage.entity_graph.service import VitrageGraphService
+from vitrage.evaluator.evaluator_service import EvaluatorManager
+
 
 def main():
     """Starts all the Entity graph services
@@ -38,28 +39,28 @@ def main():
     print(VITRAGE_TITLE)
     conf = service.prepare_service()
     e_graph = entity_graph.get_graph_driver(conf)('Entity Graph')
+    evaluator = EvaluatorManager(conf, e_graph)
     launcher = os_service.ServiceLauncher(conf)
-    full_scenario_repo = ScenarioRepository(conf)
+    db_connection = storage.get_connection_from_config(conf)
-    clear_db(conf)
+    clear_active_actions_table(db_connection)
 
-    launcher.launch_service(VitrageGraphService(conf, e_graph))
+    launcher.launch_service(VitrageGraphService(
+        conf, e_graph, evaluator, db_connection))
 
-    launcher.launch_service(VitrageApiHandlerService(
+    launcher.launch_service(VitrageApiHandlerService(conf, e_graph))
-        conf, e_graph, full_scenario_repo))
 
     launcher.launch_service(VitrageConsistencyService(conf, e_graph))
 
     launcher.wait()
 
 
-def clear_db(conf):
+def clear_active_actions_table(db_connection):
-    """Delete all data from vitrage tables
+    """Delete all data from active_actions table
 
     The following deletes the entire vitrage database
     It should be removed once graph is persistent
     """
-    db_connection = storage.get_connection_from_config(conf)
+    db_connection.active_actions.delete()
-    db_connection.clear()
 
 if __name__ == "__main__":
     sys.exit(main())

vitrage/common/constants.py

@@ -161,3 +161,11 @@ class TemplateTypes(object):
     STANDARD = 'standard'
     DEFINITION = 'definition'
     EQUIVALENCE = 'equivalence'
+
+
+class TemplateStatus(object):
+    ACTIVE = 'ACTIVE'
+    ERROR = 'ERROR'
+    DELETING = 'DELETING'
+    DELETED = 'DELETED'
+    LOADING = 'LOADING'

vitrage/common/policies/template.py

@@ -17,6 +17,28 @@ from vitrage.common.policies import base
 TEMPLATE = 'template %s'
 
 rules = [
+    policy.DocumentedRuleDefault(
+        name=TEMPLATE % 'delete',
+        check_str=base.UNPROTECTED,
+        description='Delete a template',
+        operations=[
+            {
+                'path': '/template',
+                'method': 'DELETE'
+            }
+        ]
+    ),
+    policy.DocumentedRuleDefault(
+        name=TEMPLATE % 'add',
+        check_str=base.UNPROTECTED,
+        description='Add a template',
+        operations=[
+            {
+                'path': '/template',
+                'method': 'PUT'
+            }
+        ]
+    ),
     policy.DocumentedRuleDefault(
         name=TEMPLATE % 'validate',
         check_str=base.UNPROTECTED,

vitrage/entity_graph/service.py

@@ -21,7 +21,7 @@ from oslo_service import service as os_service
 from vitrage.entity_graph import EVALUATOR_TOPIC
 from vitrage.entity_graph.processor.processor import Processor
 from vitrage.entity_graph.vitrage_init import VitrageInit
-from vitrage.evaluator.evaluator_service import EvaluatorManager
+from vitrage.evaluator.template_loader_service import TemplateLoaderManager
 from vitrage import messaging
 from vitrage.persistency.graph_persistor import GraphPersistor
 
@@ -32,12 +32,16 @@ class VitrageGraphService(os_service.Service):
 
     def __init__(self,
                  conf,
-                 graph):
+                 graph,
+                 evaluator,
+                 db):
         super(VitrageGraphService, self).__init__()
         self.conf = conf
         self.graph = graph
-        self.evaluator = EvaluatorManager(conf, graph)
+        self.evaluator = evaluator
-        self.init = VitrageInit(conf, graph, self.evaluator)
+        self.templates_loader = TemplateLoaderManager(conf, graph, db)
+        self.init = VitrageInit(conf, graph, self.evaluator,
+                                self.templates_loader)
         self.graph_persistor = GraphPersistor(conf) if \
             self.conf.persistency.enable_persistency else None
         self.processor = Processor(self.conf, self.init, graph,
@@ -49,10 +53,17 @@ class VitrageGraphService(os_service.Service):
         evaluator_topic = EVALUATOR_TOPIC
         return TwoPriorityListener(
             self.conf,
-            self.processor.process_event,
+            self.process_event,
             collector_topic,
             evaluator_topic)
 
+    def process_event(self, event):
+        if event.get('template_action'):
+            self.templates_loader.handle_template_event(event)
+            self.evaluator.reload_evaluators_templates()
+        else:
+            self.processor.process_event(event)
+
     def start(self):
         LOG.info("Vitrage Graph Service - Starting...")
         super(VitrageGraphService, self).start()

vitrage/entity_graph/vitrage_init.py

@@ -24,10 +24,11 @@ class VitrageInit(object):
     RECEIVED_ALL_END_MESSAGES = 'received_all_end_messages'
     FINISHED = 'finished'
 
-    def __init__(self, conf, graph=None, evaluator=None):
+    def __init__(self, conf, graph=None, evaluator=None, template_loader=None):
         self.conf = conf
         self.graph = graph
         self.evaluator = evaluator
+        self.template_loader = template_loader
         self.status = self.STARTED
         self.end_messages = {}
 
@@ -44,6 +45,8 @@ class VitrageInit(object):
             on_end_messages_func()
 
             self.evaluator.start()
+            if self.template_loader:
+                self.template_loader.start()
 
             # TODO(idan_hefetz) As vitrage is not yet persistent, there aren't
             # TODO(idan_hefetz) any deduced alarms to be removed during init

vitrage/evaluator/__init__.py

@@ -16,7 +16,6 @@ from oslo_config import cfg
 
 from vitrage.evaluator.template_schemas import init_template_schemas
 
-
 # Register options for the service
 OPTS = [
     cfg.StrOpt('templates_dir',

vitrage/evaluator/base.py

@@ -14,7 +14,7 @@
 from collections import namedtuple
 import re
 
-Template = namedtuple('Template', ['uuid', 'data', 'date', 'result'])
+Template = namedtuple('Template', ['uuid', 'data', 'date'])
 
 
 def is_function(str):

vitrage/evaluator/equivalence_repository.py

@@ -11,20 +11,26 @@
 # 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 vitrage.common.constants import TemplateStatus
+from vitrage.common.constants import TemplateTypes
 from vitrage.common.exception import VitrageError
 from vitrage.evaluator.template_loading.equivalence_loader import \
     EquivalenceLoader
-from vitrage.utils import file as file_utils
+
+from oslo_log import log as logging
+
+LOG = logging.getLogger(__name__)
 
 
 class EquivalenceRepository(object):
     def __init__(self):
         self.entity_equivalences = {}
 
-    def load_files(self, directory):
+    def load(self, db):
-        equivalence_defs = file_utils.load_yaml_files(directory)
+        equivalence_defs = db.templates.query(
-
+            template_type=TemplateTypes.EQUIVALENCE,
+            status=TemplateStatus.ACTIVE)
+        equivalence_defs = [e.file_content for e in equivalence_defs]
         for equivalence_def in equivalence_defs:
             equivalences = EquivalenceLoader(equivalence_def).equivalences
             for equivalence in equivalences:

vitrage/evaluator/evaluator_service.py

@@ -99,4 +99,8 @@ class EvaluatorWorker(base.GraphCloneWorkerBase):
             self._reload_templates()
 
     def _reload_templates(self):
-        raise NotImplementedError()
+        scenario_repo = ScenarioRepository(self._conf, self._worker_index,
+                                           self._workers_num)
+        self._evaluator.scenario_repo = scenario_repo
+        LOG.info("reloading evaluator scenarios")
+        self._evaluator.scenario_repo.log_enabled_scenarios()

vitrage/evaluator/scenario_evaluator.py

@@ -81,14 +81,18 @@ class ScenarioEvaluator(object):
     def scenario_repo(self, scenario_repo):
         self._scenario_repo = scenario_repo
 
-    def run_evaluator(self):
+    def run_evaluator(self, action_mode=ActionMode.DO):
         self.enabled = True
         vertices = self._entity_graph.get_vertices()
         start_time = time.time()
         for vertex in vertices:
-            self.process_event(None, vertex, True)
+            if action_mode == ActionMode.DO:
-        LOG.info('Run Evaluator on %s items - took %s', str(len(vertices)),
+                self.process_event(None, vertex, True)
-                 str(time.time() - start_time))
+            elif action_mode == ActionMode.UNDO:
+                self.process_event(vertex, None, True)
+        LOG.info(
+            'Run %s Evaluator on %s items - took %s',
+            action_mode, str(len(vertices)), str(time.time() - start_time))
 
     def process_event(self, before, current, is_vertex, *args, **kwargs):
         """Notification of a change in the entity graph.

vitrage/evaluator/scenario_repository.py

@@ -17,26 +17,18 @@ from collections import namedtuple
 import itertools
 from oslo_log import log
 
-from oslo_utils import uuidutils
+from vitrage.common.constants import TemplateStatus
-
+from vitrage.common.constants import TemplateTypes as TType
 from vitrage.common.utils import get_portion
 from vitrage.evaluator.base import Template
 from vitrage.evaluator.equivalence_repository import EquivalenceRepository
 from vitrage.evaluator.template_fields import TemplateFields
 from vitrage.evaluator.template_loading.scenario_loader import ScenarioLoader
 from vitrage.evaluator.template_loading.template_loader import TemplateLoader
-from vitrage.evaluator.template_validation.content.base import \
-    get_template_schema
-from vitrage.evaluator.template_validation.content.template_content_validator \
-    import content_validation
-from vitrage.evaluator.template_validation.template_syntax_validator import \
-    def_template_syntax_validation
 from vitrage.evaluator.template_validation.template_syntax_validator import \
     EXCEPTION
-from vitrage.evaluator.template_validation.template_syntax_validator import \
-    syntax_validation
 from vitrage.graph.filter import check_filter as check_subset
-from vitrage.utils import datetime as datetime_utils
+from vitrage import storage
 from vitrage.utils import file as file_utils
 
 LOG = log.getLogger(__name__)
@@ -56,12 +48,12 @@ class ScenarioRepository(object):
         self._templates = {}
         self._def_templates = {}
         self._all_scenarios = []
-        self.entity_equivalences = EquivalenceRepository().load_files(
+        self._db = storage.get_connection_from_config(conf)
-            conf.evaluator.equivalences_dir)
+        self.entity_equivalences = EquivalenceRepository().load(self._db)
         self.relationship_scenarios = defaultdict(list)
         self.entity_scenarios = defaultdict(list)
-        self._load_def_template_files(conf)
+        self._load_def_templates_from_db()
-        self._load_templates_files(conf)
+        self._load_templates_from_db()
         self._enable_worker_scenarios(worker_index, workers_num)
         self.actions = self._create_actions_collection()
 
@@ -108,57 +100,21 @@ class ScenarioRepository(object):
 
         return scenarios
 
-    def add_template(self, template_def):
+    def _add_template(self, template):
+        self.templates[template.uuid] = Template(template.uuid,
+                                                 template.file_content,
+                                                 template.created_at)
+        template_data = TemplateLoader().load(template.file_content,
+                                              self._def_templates)
+        for scenario in template_data.scenarios:
+            for equivalent_scenario in self._expand_equivalence(scenario):
+                self._add_scenario(equivalent_scenario)
 
-        result = syntax_validation(template_def)
+    def _add_def_template(self, def_template):
-
+        self.def_templates[def_template.uuid] = Template(
-        if not result.is_valid_config:
+            def_template.uuid,
-            LOG.info('Unable to load template, syntax err: %s'
+            def_template.file_content,
-                     % result.comment)
+            def_template.created_at)
-        else:
-            result = content_validation(template_def, self._def_templates)
-            if not result.is_valid_config:
-                LOG.info('Unable to load template, content err: %s'
-                         % result.comment)
-
-        template_uuid = uuidutils.generate_uuid()
-        current_time = datetime_utils.utcnow()
-        self.templates[str(template_uuid)] = Template(template_uuid,
-                                                      template_def,
-                                                      current_time,
-                                                      result)
-        if result.is_valid_config:
-            template_data = \
-                TemplateLoader().load(template_def, self._def_templates)
-            for scenario in template_data.scenarios:
-                for equivalent_scenario in self._expand_equivalence(scenario):
-                    self._add_scenario(equivalent_scenario)
-
-    def add_def_template(self, def_template):
-        result, template_schema = get_template_schema(def_template)
-
-        if result.is_valid_config:
-            result = def_template_syntax_validation(def_template)
-            if not result.is_valid_config:
-                LOG.info('Unable to load definition template, syntax err: %s'
-                         % result.comment)
-
-        if result.is_valid_config:
-            def_validator = \
-                template_schema.validators.get(TemplateFields.DEFINITIONS)
-            result = \
-                def_validator.def_template_content_validation(def_template)
-
-            if result.is_valid_config:
-                current_time = datetime_utils.utcnow()
-                include_uuid = uuidutils.generate_uuid()
-                self._def_templates[str(include_uuid)] = Template(include_uuid,
-                                                                  def_template,
-                                                                  current_time,
-                                                                  result)
-            else:
-                LOG.info('Unable to load definition template, content err: %s'
-                         % result.comment)
 
     def _expand_equivalence(self, scenario):
         equivalent_scenarios = [scenario]
@@ -191,29 +147,21 @@ class ScenarioRepository(object):
             self._add_relationship_scenario(scenario, relationship)
         self._all_scenarios.append(scenario)
 
-    def _load_def_template_files(self, conf):
+    def _load_def_templates_from_db(self):
+        def_templates = self._db.templates.query(
+            template_type=TType.DEFINITION,
+            status=TemplateStatus.ACTIVE)
+        for def_template in def_templates:
+            self._add_def_template(def_template)
 
-        if DEF_TEMPLATES_DIR_OPT in conf.evaluator:
+    def _load_templates_from_db(self):
-
+        items = self._db.templates.query(template_type=TType.STANDARD)
-            def_templates_dir = conf.evaluator.def_templates_dir
+        # TODO(ikinory): statuses may cause loading templates to be running
-            def_templates = file_utils.load_yaml_files(def_templates_dir)
+        templates = [x for x in items if x.status in [TemplateStatus.ACTIVE,
-
+                                                      TemplateStatus.LOADING,
-            for def_template in def_templates:
+                                                      TemplateStatus.DELETING]]
-                self.add_def_template(def_template)
+        for t in templates:
-
+            self._add_template(t)
-    def _load_templates_files(self, conf):
-
-        templates_dir = conf.evaluator.templates_dir
-
-        files = \
-            file_utils.list_files(templates_dir, '.yaml', with_pathname=True)
-
-        template_defs = []
-        for f in files:
-            template_defs.append(self._load_template_file(f))
-
-        for template_def in template_defs:
-            self.add_template(template_def)
 
     @staticmethod
     def _load_template_file(file_name):

vitrage/evaluator/template_db/__init__.py

@@ -0,0 +1,15 @@
+# Copyright 2018 - Nokia
+#
+# 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.
+
+__author__ = 'stack'

vitrage/evaluator/template_db/template_repository.py

@@ -0,0 +1,126 @@
+# Copyright 2018 - Nokia
+#
+# 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
+
+from oslo_log import log
+from oslo_utils import uuidutils
+
+from vitrage.common.constants import TemplateStatus
+from vitrage.common.constants import TemplateTypes as TType
+from vitrage.common.exception import VitrageError
+from vitrage.evaluator.base import Template
+from vitrage.evaluator.template_fields import TemplateFields
+from vitrage.evaluator import template_validation
+from vitrage.evaluator.template_validation import base
+from vitrage.evaluator.template_validation.template_syntax_validator import \
+    EXCEPTION
+from vitrage.storage.sqlalchemy import models
+from vitrage.utils import file
+
+LOG = log.getLogger(__name__)
+
+METADATA = 'metadata'
+NAME = 'name'
+
+
+def add_template_to_db(db, path, template_type):
+    """Add templates to db
+
+    Loads template files, for every template, check it is valid and does
+     not exist, if so adds it to the database.
+
+    :param db:
+    :param path: path to a file or directory
+    :param template_type: standard/definition/equivalence
+    :return: all the templates that were added
+    :rtype: list of models.Template
+    """
+
+    added_rows = list()
+    files = _list_files(path)
+    for f in files:
+        template = load_template_file(f)
+        template_name = template[METADATA][NAME]
+
+        templates = db.templates.query(name=template_name)
+        if [t for t in templates if t.status != TemplateStatus.DELETED]:
+            LOG.warning("Duplicate templates found %s."
+                        " new template will not be added", template_name)
+        else:
+            validation_result = _validate_template(db, template, template_type)
+            db_row = _to_db_row(validation_result, template, template_type)
+            db.templates.create(db_row)
+            added_rows.append(db_row)
+    return added_rows
+
+
+def _list_files(path):
+    if os.path.isdir(path):
+        LOG.info("Adding all templates from %s", path)
+        return file.list_files(path, '.yaml', with_pathname=True)
+    elif os.path.isfile(path):
+        LOG.info("Adding template %s", path)
+        return [path]  # only one file
+    else:
+        raise VitrageError("No such file or directory %s" % path)
+
+
+def _validate_template(db, template, template_type):
+    if template_type == TType.DEFINITION:
+        result = template_validation.validate_definition_template(template)
+    elif template_type == TType.STANDARD:
+        result = template_validation.validate_template(template,
+                                                       _load_def_templates(db))
+    elif template_type == TType.EQUIVALENCE:
+        result = base.Result("", True, "", "No Validation")
+    else:
+        raise VitrageError("Unknown template type %s", template_type)
+    return result
+
+
+def load_template_file(file_name):
+    try:
+        return file.load_yaml_file(file_name, with_exception=True)
+    except Exception as e:
+        return {TemplateFields.METADATA: {TemplateFields.NAME: file_name},
+                EXCEPTION: str(e)}
+
+
+def _to_db_row(result, template, template_type):
+    uuid = uuidutils.generate_uuid()
+    status = TemplateStatus.LOADING if result.is_valid_config else \
+        TemplateStatus.ERROR
+    status_details = result.comment
+    db_row = models.Template(
+        name=template[METADATA][NAME],
+        uuid=uuid,
+        status=status,
+        status_details=status_details,
+        file_content=template,
+        template_type=template_type,
+    )
+    return db_row
+
+
+def _load_def_templates(db):
+    def_templates = {}
+    items = db.templates.query(template_type=TType.DEFINITION)
+    def_templates_db = [x for x in items if x.status in [
+                        TemplateStatus.ACTIVE,
+                        TemplateStatus.LOADING]]
+    for df in def_templates_db:
+        def_templates[df.uuid] = Template(df.uuid,
+                                          df.file_content,
+                                          df.created_at)
+    return def_templates

vitrage/evaluator/template_loader_service.py

@@ -0,0 +1,120 @@
+# Copyright 2017 - Nokia
+#
+# 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 multiprocessing
+
+from oslo_log import log
+
+from vitrage.common.constants import TemplateStatus as TStatus
+from vitrage.common.constants import TemplateTypes as TType
+from vitrage.common.exception import VitrageError
+from vitrage.entity_graph import EVALUATOR_TOPIC
+from vitrage.entity_graph.graph_clone import base
+from vitrage.evaluator.actions.base import ActionMode
+from vitrage.evaluator.scenario_evaluator import ScenarioEvaluator
+from vitrage.evaluator.scenario_repository import ScenarioRepository
+from vitrage.messaging import VitrageNotifier
+
+LOG = log.getLogger(__name__)
+
+TEMPLATE_ACTION = 'template_action'
+
+
+class TemplateLoaderManager(base.GraphCloneManagerBase):
+
+    def __init__(self, conf, entity_graph, db):
+        super(TemplateLoaderManager, self).__init__(conf, entity_graph, 1)
+        self._db = db
+
+    def _run_worker(self, worker_index, workers_num):
+        tasks_queue = multiprocessing.JoinableQueue()
+        w = TemplateLoaderWorker(
+            self._conf,
+            tasks_queue,
+            self._entity_graph)
+        self._p_launcher.launch_service(w)
+        return tasks_queue
+
+    def handle_template_event(self, event):
+        template_action = event.get('template_action')
+
+        if template_action == 'add':
+            templates = self._db.templates.query(status=TStatus.LOADING)
+            new_status = TStatus.ACTIVE
+            action_mode = ActionMode.DO
+        elif template_action == 'delete':
+            templates = self._db.templates.query(status=TStatus.DELETING)
+            new_status = TStatus.DELETED
+            action_mode = ActionMode.UNDO
+        else:
+            raise VitrageError('Invalid template_action %s' % template_action)
+
+        self._template_worker_task(
+            [t.name for t in templates if t.template_type == TType.STANDARD],
+            action_mode)
+
+        for t in templates:
+            self._db.templates.update(t.uuid, 'status', new_status)
+
+    def _template_worker_task(self, template_names, action_mode):
+        self._notify_and_wait((TEMPLATE_ACTION, template_names, action_mode))
+
+
+class TemplateLoaderWorker(base.GraphCloneWorkerBase):
+    def __init__(self,
+                 conf,
+                 task_queue,
+                 e_graph):
+        super(TemplateLoaderWorker, self).__init__(conf, task_queue, e_graph)
+        self._evaluator = None
+
+    def start(self):
+        super(TemplateLoaderWorker, self).start()
+        actions_callback = VitrageNotifier(
+            conf=self._conf,
+            publisher_id='vitrage_evaluator',
+            topic=EVALUATOR_TOPIC).notify
+        self._evaluator = ScenarioEvaluator(
+            self._conf,
+            self._entity_graph,
+            None,
+            actions_callback,
+            enabled=False)
+
+    def do_task(self, task):
+        super(TemplateLoaderWorker, self).do_task(task)
+        action = task[0]
+        if action == TEMPLATE_ACTION:
+            (action, template_names, action_mode) = task
+            self._template_action(template_names, action_mode)
+
+    def _template_action(self, template_names, action_mode):
+        self._enable_evaluator_templates(template_names)
+        self._evaluator.run_evaluator(action_mode)
+        self._disable_evaluator()
+
+    def _enable_evaluator_templates(self, template_names):
+        scenario_repo = ScenarioRepository(self._conf)
+        for s in scenario_repo._all_scenarios:
+            s.enabled = False
+            for template_name in template_names:
+                if s.id.startswith(template_name):
+                    s.enabled = True
+        self._evaluator.scenario_repo = scenario_repo
+        self._evaluator.scenario_repo.log_enabled_scenarios()
+        self._evaluator.enabled = True
+
+    def _disable_evaluator(self):
+        self._entity_graph.notifier._subscriptions = []  # Quick n dirty
+        self._evaluator.enabled = False

vitrage/evaluator/template_validation/__init__.py

@@ -11,4 +11,48 @@
 # 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 oslo_log import log
+
+from vitrage.evaluator.template_fields import TemplateFields
+from vitrage.evaluator.template_validation.content.base import \
+    get_template_schema
+from vitrage.evaluator.template_validation.content.template_content_validator \
+    import content_validation
+from vitrage.evaluator.template_validation.template_syntax_validator import \
+    def_template_syntax_validation
+from vitrage.evaluator.template_validation.template_syntax_validator import \
+    syntax_validation
+
 __author__ = 'stack'
+
+LOG = log.getLogger(__name__)
+
+
+def validate_template(template, def_templates):
+    result = syntax_validation(template)
+    if not result.is_valid_config:
+        LOG.error('Unable to load template, syntax err: %s' % result.comment)
+        return result
+    result = content_validation(template, def_templates)
+    if not result.is_valid_config:
+        LOG.error('Unable to load template, content err: %s' % result.comment)
+        return result
+    return result
+
+
+def validate_definition_template(template_def):
+    result, template_schema = get_template_schema(template_def)
+    if not result.is_valid_config:
+        return result
+
+    result = def_template_syntax_validation(template_def)
+    if not result.is_valid_config:
+        LOG.error('Unable to load template, syntax err: %s' % result.comment)
+        return result
+
+    validator = template_schema.validators.get(TemplateFields.DEFINITIONS)
+    result = validator.def_template_content_validation(template_def)
+    if not result.is_valid_config:
+        LOG.error('Unable to load template, content err: %s' % result.comment)
+        return result
+    return result

vitrage/storage/base.py

@@ -121,7 +121,7 @@ class TemplatesConnection(object):
 
     @abc.abstractmethod
     def query(self, name=None, file_content=None,
-              uuid=None, status=None, status_details=None, is_deleted=None,
+              uuid=None, status=None, status_details=None,
               template_type=None):
         """Yields a lists of templates that match filters.
 

vitrage/storage/impl_sqlalchemy.py

@@ -116,7 +116,7 @@ class TemplatesConnection(base.TemplatesConnection, BaseTableConn):
             session.query(Template).filter_by(uuid=uuid).update({var: value})
 
     def query(self, name=None, file_content=None,
-              uuid=None, status=None, status_details=None, is_deleted=None,
+              uuid=None, status=None, status_details=None,
               template_type=None):
         query = self.query_filter(
             models.Template,
@@ -125,7 +125,6 @@ class TemplatesConnection(base.TemplatesConnection, BaseTableConn):
             uuid=uuid,
             status=status,
             status_details=status_details,
-            is_deleted=is_deleted,
             template_type=template_type,
             )
         return query.all()

vitrage/storage/sqlalchemy/models.py

@@ -16,7 +16,7 @@ import json
 from oslo_db.sqlalchemy import models
 
 from sqlalchemy import Column, DateTime, INTEGER, String, \
-    SmallInteger, BigInteger, Index, Boolean
+    SmallInteger, BigInteger, Index
 from sqlalchemy.ext.declarative import declarative_base
 
 import sqlalchemy.types as types
@@ -146,13 +146,12 @@ class Template(Base, models.TimestampMixin):
     status_details = Column(String(128))
     name = Column(String(128), nullable=False)
     file_content = Column(JSONEncodedDict, nullable=False)
-    is_deleted = Column(Boolean, nullable=False, default=False)
     template_type = Column("type", String(64), default='standard')
 
     def __repr__(self):
         return "<Template(id='%s', name='%s', created_at='%s'," \
                " updated_at='%s', status='%s'," \
-               "status_details='%s', file_content='%s', is_deleted='%s'," \
+               "status_details='%s', file_content='%s', " \
                " template_type='%s' )>" % \
                (self.uuid,
                 self.name,
@@ -161,5 +160,4 @@ class Template(Base, models.TimestampMixin):
                 self.status,
                 self.status_details,
                 self.file_content,
-                self.is_deleted,
                 self.template_type,)

vitrage/tests/functional/api/__init__.py

@@ -55,7 +55,7 @@ class FunctionalTest(base.BaseTest):
         self.CONF.set_override('auth_mode', self.auth, group='api')
 
         self.CONF.set_override('connection',
-                               'sqlite:///:memory:',
+                               'sqlite:///:test.db:',
                                group='database')
 
         self.app = webtest.TestApp(app.load_app(self.CONF))

vitrage/tests/functional/api/v1/test_noauth.py

@@ -19,6 +19,7 @@ from datetime import datetime
 # noinspection PyPackageRequirements
 from mock import mock
 
+from vitrage.storage.sqlalchemy import models
 from vitrage.tests.functional.api.v1 import FunctionalTest
 
 
@@ -113,19 +114,20 @@ class NoAuthTest(FunctionalTest):
     def test_noauth_mode_list_templates(self):
 
         with mock.patch('pecan.request') as request:
-            request.client.call.return_value = '{"templates_details": []}'
+            request.storage.templates.query.return_value = []
             data = self.get_json('/template/')
 
-            self.assertEqual(1, request.client.call.call_count)
+            self.assertEqual(1, request.storage.templates.query.call_count)
             self.assertEqual([], data)
 
     def test_noauth_mode_show_template(self):
 
         with mock.patch('pecan.request') as request:
-            request.client.call.return_value = '{}'
+            request.storage.templates.query.return_value = \
+                [models.Template(file_content={})]
             data = self.get_json('/template/1234')
 
-            self.assertEqual(1, request.client.call.call_count)
+            self.assertEqual(1, request.storage.templates.query.call_count)
             self.assertEqual({}, data)
 
     def test_noauth_mode_validate_template(self):

vitrage/tests/functional/entity_graph/consistency/test_consistency.py

@@ -13,11 +13,12 @@
 # under the License.
 
 from datetime import timedelta
-from six.moves import queue
 import time
 import unittest
 
 from oslo_config import cfg
+from six.moves import queue
+
 
 from vitrage.common.constants import EdgeLabel
 from vitrage.common.constants import EntityCategory

vitrage/tests/functional/evaluator/test_action_executor.py

@@ -12,9 +12,8 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from six.moves import queue
-
 from oslo_config import cfg
+from six.moves import queue
 
 from vitrage.common.constants import DatasourceAction
 from vitrage.common.constants import DatasourceProperties as DSProp

vitrage/tests/functional/evaluator/test_scenario_evaluator.py

@@ -12,9 +12,11 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 from oslo_log import log
+
+from vitrage.tests.functional.test_configuration import TestConfiguration
+
 LOG = log.getLogger(__name__)
 
-from oslo_db.options import database_opts
 from six.moves import queue
 
 from oslo_config import cfg
@@ -42,8 +44,6 @@ from vitrage.evaluator.actions.evaluator_event_transformer \
 from vitrage.evaluator.scenario_evaluator import ScenarioEvaluator
 from vitrage.evaluator.scenario_repository import ScenarioRepository
 from vitrage.graph import create_edge
-from vitrage import storage
-from vitrage.storage.sqlalchemy import models
 from vitrage.tests.functional.base import \
     TestFunctionalBase
 import vitrage.tests.mocks.mock_driver as mock_driver
@@ -57,17 +57,13 @@ _NAGIOS_TEST_INFO = {NagiosProperties.RESOURCE_NAME: _TARGET_HOST,
                      DSProps.DATASOURCE_ACTION: DatasourceAction.SNAPSHOT}
 
 
-class TestScenarioEvaluator(TestFunctionalBase):
+class TestScenarioEvaluator(TestFunctionalBase, TestConfiguration):
 
     EVALUATOR_OPTS = [
         cfg.StrOpt('templates_dir',
                    default=utils.get_resources_dir() +
                    '/templates/evaluator',
                    ),
-        cfg.StrOpt('equivalences_dir',
-                   default=utils.get_resources_dir() +
-                   '/equivalences',
-                   ),
         cfg.StrOpt('notifier_topic',
                    default='vitrage.evaluator',
                    ),
@@ -81,13 +77,8 @@ class TestScenarioEvaluator(TestFunctionalBase):
         cls.conf.register_opts(cls.PROCESSOR_OPTS, group='entity_graph')
         cls.conf.register_opts(cls.EVALUATOR_OPTS, group='evaluator')
         cls.conf.register_opts(cls.DATASOURCES_OPTS, group='datasources')
-        cls.conf.register_opts(database_opts, group='database')
+        cls.add_db(cls.conf)
-        cls.conf.set_override('connection', 'sqlite:///test.db',
+        cls.add_templates(cls.conf.evaluator.templates_dir)
-                              group='database')
-        cls._db = storage.get_connection_from_config(cls.conf)
-        engine = cls._db._engine_facade.get_engine()
-        models.Base.metadata.create_all(engine)
-
         TestScenarioEvaluator.load_datasources(cls.conf)
         cls.scenario_repository = ScenarioRepository(cls.conf)
 

vitrage/tests/functional/test_configuration.py

@@ -13,10 +13,13 @@
 # under the License.
 from oslo_db.options import database_opts
 
+from vitrage.common.constants import TemplateStatus
+from vitrage.common.constants import TemplateTypes as TType
+from vitrage.evaluator.template_db.template_repository import \
+    add_template_to_db
 from vitrage import storage
 from vitrage.storage.sqlalchemy import models
 
-
 TEMPLATE_DIR = '/etc/vitrage/templates'
 
 
@@ -32,3 +35,15 @@ class TestConfiguration(object):
         models.Base.metadata.drop_all(engine)
         models.Base.metadata.create_all(engine)
         return cls._db
+
+    @classmethod
+    def add_templates(cls, templates_dir, templates_type=TType.STANDARD):
+        templates = add_template_to_db(cls._db, templates_dir, templates_type)
+        for t in templates:
+            if t.status == TemplateStatus.LOADING:
+                cls._db.templates.update(t.uuid, 'status',
+                                         TemplateStatus.ACTIVE)
+            if t.status == TemplateStatus.DELETING:
+                cls._db.templates.update(t.uuid, 'status',
+                                         TemplateStatus.DELETED)
+        return templates

vitrage/tests/unit/evaluator/test_equivalence_repository.py

@@ -14,22 +14,30 @@
 
 import os
 
+from oslo_config import cfg
+
+from vitrage.common.constants import TemplateTypes
 from vitrage.common.exception import VitrageError
 from vitrage.evaluator.equivalence_repository import EquivalenceRepository
 from vitrage.tests import base
+from vitrage.tests.functional.test_configuration import TestConfiguration
 from vitrage.tests.mocks import utils
 
 
-class TestEquivalenceRepository(base.BaseTest):
+class TestEquivalenceRepository(base.BaseTest, TestConfiguration):
 
     # noinspection PyPep8Naming
     def setUp(self):
         super(TestEquivalenceRepository, self).setUp()
+        conf = cfg.ConfigOpts()
+        self.add_db(conf)
         self.equivalence_repository = EquivalenceRepository()
 
     def test_duplicate_entities_in_equivalence(self):
         base_dir = utils.get_resources_dir() + '/templates/equivalences_dup'
         for directory in os.listdir(base_dir):
-            self.assertRaises(VitrageError,
+            self.add_templates(os.path.join(base_dir, directory),
-                              self.equivalence_repository.load_files,
+                               TemplateTypes.EQUIVALENCE)
-                              os.path.join(base_dir, directory))
+            self.assertRaises(
+                VitrageError,
+                self.equivalence_repository.load, self._db)

vitrage/tests/unit/evaluator/test_scenario_repository.py

@@ -12,22 +12,22 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import os
-
 from oslo_config import cfg
 
 from vitrage.common.constants import EntityCategory
+from vitrage.common.constants import TemplateTypes as TType
 from vitrage.common.constants import VertexProperties as VProps
 from vitrage.evaluator.scenario_repository import ScenarioRepository
 from vitrage.evaluator.template_validation.template_syntax_validator import \
     syntax_validation
 from vitrage.graph import Vertex
 from vitrage.tests import base
+from vitrage.tests.functional.test_configuration import TestConfiguration
 from vitrage.tests.mocks import utils
 from vitrage.utils import file as file_utils
 
 
-class ScenarioRepositoryTest(base.BaseTest):
+class ScenarioRepositoryTest(base.BaseTest, TestConfiguration):
     BASE_DIR = utils.get_resources_dir() + '/templates/general'
     OPTS = [
         cfg.StrOpt('templates_dir',
@@ -44,7 +44,8 @@ class ScenarioRepositoryTest(base.BaseTest):
         super(ScenarioRepositoryTest, cls).setUpClass()
         cls.conf = cfg.ConfigOpts()
         cls.conf.register_opts(cls.OPTS, group='evaluator')
-
+        cls.add_db(cls.conf)
+        cls.add_templates(cls.conf.evaluator.templates_dir)
         templates_dir_path = cls.conf.evaluator.templates_dir
         cls.template_defs = file_utils.load_yaml_files(templates_dir_path)
 
@@ -57,8 +58,10 @@ class ScenarioRepositoryTest(base.BaseTest):
 
         # Test assertions
         self.assertIsNotNone(scenario_repository)
-        path, dirs, files = next(os.walk(self.conf.evaluator.templates_dir))
+        self.assertEqual(
-        self.assertEqual(len(files), len(scenario_repository.templates))
+            2,
+            len(scenario_repository.templates),
+            'scenario_repository.templates should contain all valid templates')
 
     def test_init_scenario_repository(self):
 
@@ -74,7 +77,10 @@ class ScenarioRepositoryTest(base.BaseTest):
 
         scenario_templates = self.scenario_repository.templates
         # there is one bad template
-        self.assertEqual(valid_template_counter, len(scenario_templates) - 1)
+        self.assertEqual(
+            valid_template_counter,
+            len(scenario_templates),
+            'scenario_repository.templates should contain all valid templates')
 
         entity_equivalences = self.scenario_repository.entity_equivalences
         for entity_props, equivalence in entity_equivalences.items():
@@ -100,20 +106,20 @@ class ScenarioRepositoryTest(base.BaseTest):
         pass
 
 
-class RegExTemplateTest(base.BaseTest):
+class RegExTemplateTest(base.BaseTest, TestConfiguration):
 
     BASE_DIR = utils.get_resources_dir() + '/templates/regex'
     OPTS = [
         cfg.StrOpt('templates_dir',
-                   default=BASE_DIR),
+                   default=BASE_DIR)]
-        cfg.StrOpt('equivalences_dir',
-                   default=BASE_DIR + '/equivalences')]
 
     @classmethod
     def setUpClass(cls):
         super(RegExTemplateTest, cls).setUpClass()
         cls.conf = cfg.ConfigOpts()
         cls.conf.register_opts(cls.OPTS, group='evaluator')
+        cls.add_db(cls.conf)
+        cls.add_templates(cls.conf.evaluator.templates_dir)
         cls.scenario_repository = ScenarioRepository(cls.conf)
 
     def test_basic_regex(self):
@@ -169,7 +175,7 @@ class RegExTemplateTest(base.BaseTest):
         self.assertEqual(0, len(relevant_scenarios))
 
 
-class EquivalentScenarioTest(base.BaseTest):
+class EquivalentScenarioTest(base.BaseTest, TestConfiguration):
     BASE_DIR = utils.get_resources_dir() + '/templates/equivalent_scenarios/'
     OPTS = [
         cfg.StrOpt('templates_dir',
@@ -188,10 +194,12 @@ class EquivalentScenarioTest(base.BaseTest):
         super(EquivalentScenarioTest, cls).setUpClass()
         cls.conf = cfg.ConfigOpts()
         cls.conf.register_opts(cls.OPTS, group='evaluator')
-
+        cls.add_db(cls.conf)
-        templates_dir_path = cls.conf.evaluator.templates_dir
+        cls.add_templates(cls.conf.evaluator.templates_dir)
-        cls.template_defs = file_utils.load_yaml_files(templates_dir_path)
+        cls.add_templates(cls.conf.evaluator.equivalences_dir,
-
+                          TType.EQUIVALENCE)
+        cls.add_templates(cls.conf.evaluator.def_templates_dir,
+                          TType.DEFINITION)
         cls.scenario_repository = ScenarioRepository(cls.conf)
 
     def test_expansion(self):

vitrage_tempest_tests/add_legacy_dir_templates.py

@@ -0,0 +1,43 @@
+# Copyright 2017 - Nokia
+#
+# 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 sys
+
+from vitrage.common.constants import TemplateStatus
+from vitrage.common.constants import TemplateTypes as TType
+from vitrage.evaluator.template_db.template_repository import \
+    add_template_to_db
+from vitrage import service
+from vitrage import storage
+from vitrage_tempest_tests.tests.common import general_utils
+
+files = ['corrupted_template.yaml', 'e2e_test_basic_actions.yaml',
+         'e2e_test_overlapping_actions.yaml', 'v1_execute_mistral.yaml',
+         'v2_execute_mistral.yaml', 'host_aodh_alarm_for_rca.yaml',
+         'nagios_alarm_for_alarms.yaml'
+         ]
+
+
+def main():
+    resources_path = general_utils.tempest_resources_dir() + '/templates/api/'
+    conf = service.prepare_service()
+    db = storage.get_connection_from_config(conf)
+    for f in files:
+        full_path = resources_path + f
+        template = add_template_to_db(db, full_path, TType.STANDARD)
+        if template[0]['name'] != 'corrupted_template':
+            db.templates.update(template[0]['uuid'],
+                                'status', TemplateStatus.ACTIVE)
+
+if __name__ == "__main__":
+    sys.exit(main())

vitrage_tempest_tests/tests/api/templates/base.py

@@ -15,10 +15,13 @@ import json
 
 from oslo_log import log as logging
 
+from vitrage.common.exception import VitrageError
 from vitrage_tempest_tests.tests.base import BaseVitrageTempest
 from vitrage_tempest_tests.tests.common import general_utils as g_utils
+from vitrage_tempest_tests.tests.common import vitrage_utils
 from vitrage_tempest_tests.tests import utils
 
+
 LOG = logging.getLogger(__name__)
 
 
@@ -162,3 +165,11 @@ class BaseTemplateTest(BaseVitrageTempest):
             relationships, len(template_show['definitions']['relationships']))
         self.assertEqual(
             scenarios, len(template_show['scenarios']))
+
+    def _rollback_to_default(self, templates):
+        try:
+            for t in templates:
+                db_row = vitrage_utils.get_first_template(name=t)
+                vitrage_utils.delete_template(db_row['uuid'])
+        except Exception as e:
+            raise VitrageError('Rollback to default failed %s', e)

vitrage_tempest_tests/tests/api/templates/test_template.py

@@ -12,15 +12,30 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from oslo_log import log as logging
-
-from vitrage_tempest_tests.tests.api.templates.base import BaseTemplateTest
-import vitrage_tempest_tests.tests.utils as utils
-
 import unittest
 
+from oslo_log import log as logging
+
+from vitrage.common.constants import TemplateStatus
+from vitrage.common.constants import TemplateTypes as TTypes
+from vitrage.evaluator.template_db.template_repository import \
+    load_template_file
+from vitrage_tempest_tests.tests.api.templates.base import BaseTemplateTest
+from vitrage_tempest_tests.tests.common import general_utils as g_utils
+from vitrage_tempest_tests.tests.common.tempest_clients import TempestClients
+from vitrage_tempest_tests.tests.common import vitrage_utils
+import vitrage_tempest_tests.tests.utils as utils
+from vitrageclient.exceptions import ClientException
+
 LOG = logging.getLogger(__name__)
 
+STANDARD_TEMPLATE = 'host_high_memory_usage_scenarios.yaml'
+EQUIVALENCE_TEMPLATE = 'basic_equivalence_templates.yaml'
+DEFINITION_TEMPLATE = 'basic_def_template.yaml'
+STANDARD_ERROR = 'corrupted_template.yaml'
+
+FAKE_UUID = 'ade68276-0fe9-42cd-9ec2-e7f20470a771'
+
 
 class TestValidate(BaseTemplateTest):
     """Template test class for Vitrage API tests."""
@@ -132,3 +147,162 @@ class TestValidate(BaseTemplateTest):
             self._compare_template_show(
                 api_template_show, cli_template_show)
             self._validate_template_structure(item, api_template_show)
+
+
+class TemplatesDBTest(BaseTemplateTest):
+    """Template DB test class for vitrage API tests"""
+
+    @classmethod
+    def setUpClass(cls):
+        super(TemplatesDBTest, cls).setUpClass()
+        cls.client = TempestClients.vitrage()
+
+    def test_template_add(self):
+        """template add test
+
+        test standard , definition and equivalence templates
+        """
+        templates_names = list()
+        try:
+            # TODO(ikinory): add folder of templates
+            # Add standard ,equivalence and definition templates
+            templates_names = self._add_templates()
+            vitrage_utils.add_template(STANDARD_TEMPLATE,
+                                       template_type=TTypes.STANDARD)
+            # assert standard template
+            db_row = vitrage_utils.get_first_template(
+                name='host_high_memory_usage_scenarios', type=TTypes.STANDARD)
+            self.assertEqual(db_row['name'],
+                             'host_high_memory_usage_scenarios',
+                             'standard template not found in list')
+
+            # assert equivalence template
+            db_row = vitrage_utils.get_first_template(
+                name='entity equivalence example',
+                type=TTypes.EQUIVALENCE)
+            self.assertEqual(db_row['name'],
+                             'entity equivalence example',
+                             'equivalence template not found in list')
+
+            # assert definition template
+            db_row = vitrage_utils.get_first_template(
+                name='basic_def_template',
+                type=TTypes.DEFINITION,
+                status=TemplateStatus.ACTIVE)
+
+            self.assertEqual(db_row['name'],
+                             'basic_def_template',
+                             'definition template not found in list')
+
+            # assert corrupted template - validate failed
+            db_row = vitrage_utils.get_first_template(
+                name='corrupted_template',
+                type=TTypes.STANDARD,
+                status=TemplateStatus.ERROR)
+            self.assertIsNotNone(
+                db_row,
+                'corrupted template template presented in list')
+
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+        finally:
+            self._rollback_to_default(templates_names)
+
+    def test_template_delete(self):
+        try:
+
+            # add standard template
+            vitrage_utils.add_template(STANDARD_TEMPLATE,
+                                       template_type=TTypes.STANDARD)
+            db_row = vitrage_utils.get_first_template(
+                name='host_high_memory_usage_scenarios',
+                type=TTypes.STANDARD,
+                status=TemplateStatus.ACTIVE)
+            self.assertIsNotNone(db_row,
+                                 'Template should appear in templates list')
+
+            # delete template
+            uuid = db_row['uuid']
+            vitrage_utils.delete_template(uuid)
+            db_row = vitrage_utils.get_first_template(
+                name='host_high_memory_usage_scenarios', type=TTypes.STANDARD)
+            self.assertIsNone(db_row, 'Template should not appear in list')
+
+            # delete the same template again - should raise VitrageError
+            self.assertRaises(ClientException,
+                              vitrage_utils.delete_template, uuid)
+
+            # delete non-existing template - should raise VitrageError
+            self.assertRaises(ClientException,
+                              vitrage_utils.delete_template, FAKE_UUID)
+
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+
+    def test_compare_cli_to_api(self):
+        """Compare between api template list
+
+        to cli template list
+        compares each template in list
+        """
+        templates_names = list()
+        try:
+            # Add standard ,equivalence and definition templates
+            templates_names = self._add_templates()
+            cli_templates_list = utils.run_vitrage_command(
+                "vitrage template list", self.conf)
+            api_templates_list = self.client.template.list()
+
+            self.assertNotEqual(len(api_templates_list), 0,
+                                'The template list taken from api is empty')
+            self.assertIsNotNone(cli_templates_list,
+                                 'The template list taken from cli is empty')
+            self._validate_templates_list_length(api_templates_list,
+                                                 cli_templates_list)
+            self._validate_passed_templates_length(api_templates_list,
+                                                   cli_templates_list)
+            self._compare_each_template_in_list(api_templates_list,
+                                                cli_templates_list)
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+        finally:
+            self._rollback_to_default(templates_names)
+
+    def test_template_show(self):
+        """Compare template content from file to DB"""
+        try:
+            # add standard template
+            template_path = \
+                g_utils.tempest_resources_dir() + '/templates/api/'\
+                + STANDARD_TEMPLATE
+            vitrage_utils.add_template(STANDARD_TEMPLATE,
+                                       template_type=TTypes.STANDARD)
+            db_row = vitrage_utils.get_first_template(
+                name='host_high_memory_usage_scenarios',
+                type=TTypes.STANDARD,
+                status=TemplateStatus.ACTIVE)
+            payload_from_db = self.client.template.show(db_row['uuid'])
+            payload_from_file = load_template_file(template_path)
+            self.assertEqual(payload_from_file, payload_from_db,
+                             "Template content doesn't match")
+            vitrage_utils.delete_template(db_row['uuid'])
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+
+    def _add_templates(self):
+        vitrage_utils.add_template(STANDARD_TEMPLATE,
+                                   template_type=TTypes.STANDARD)
+        vitrage_utils.add_template(EQUIVALENCE_TEMPLATE,
+                                   template_type=TTypes.EQUIVALENCE)
+        vitrage_utils.add_template(DEFINITION_TEMPLATE,
+                                   template_type=TTypes.DEFINITION)
+        vitrage_utils.add_template(STANDARD_ERROR,
+                                   template_type=TTypes.STANDARD)
+        return ['host_high_memory_usage_scenarios',
+                'entity equivalence example',
+                'basic_def_template',
+                'corrupted_template']

vitrage_tempest_tests/tests/common/general_utils.py

@@ -11,6 +11,7 @@
 # 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 os import path
 import six
 
 
@@ -37,3 +38,7 @@ def is_subset(subset, full):
 
 def _remove_none_values(**kwargs):
     return {k: v for k, v in kwargs.items() if v is not None}
+
+
+def tempest_resources_dir():
+    return path.join(path.dirname(path.dirname(__file__)), 'resources')

vitrage_tempest_tests/tests/common/vitrage_utils.py

@@ -12,11 +12,17 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 from datetime import datetime
+from oslo_log import log as logging
 
+from vitrage.common.constants import TemplateStatus
+from vitrage.common.constants import TemplateTypes
 from vitrage.datasources import NOVA_HOST_DATASOURCE
 from vitrage.datasources import NOVA_INSTANCE_DATASOURCE
 from vitrage_tempest_tests.tests.common import general_utils as g_utils
 from vitrage_tempest_tests.tests.common.tempest_clients import TempestClients
+from vitrage_tempest_tests.tests.utils import wait_for_status
+
+LOG = logging.getLogger(__name__)
 
 DOWN = 'down'
 UP = 'up'
@@ -38,8 +44,13 @@ def generate_fake_host_alarm(hostname, event_type, enabled=True):
 
 
 def get_first_host(**kwargs):
-    hosts = TempestClients.vitrage().resource.list(
+    try:
-        NOVA_HOST_DATASOURCE, all_tenants=True)
+        hosts = TempestClients.vitrage().resource.list(
+            NOVA_HOST_DATASOURCE, all_tenants=True)
+    except Exception as e:
+        LOG.exception("get_first_host failed with %s", e)
+        hosts = TempestClients.vitrage().resource.list(
+            NOVA_HOST_DATASOURCE, all_tenants=True)
     return g_utils.first_match(hosts, **kwargs)
 
 
@@ -47,3 +58,30 @@ def get_first_instance(**kwargs):
     instances = TempestClients.vitrage().resource.list(
         NOVA_INSTANCE_DATASOURCE, all_tenants=True)
     return g_utils.first_match(instances, **kwargs)
+
+
+def add_template(filename='',
+                 folder='templates/api',
+                 template_type=TemplateTypes.STANDARD):
+    full_path = g_utils.tempest_resources_dir() + '/' + folder + '/' + filename
+    t = TempestClients.vitrage().template.add(full_path, template_type)
+    if t and t[0]:
+        wait_for_status(
+            10,
+            get_first_template,
+            uuid=t[0]['uuid'], status=TemplateStatus.ACTIVE)
+        return t[0]
+    return None
+
+
+def get_first_template(**kwargs):
+    templates = TempestClients.vitrage().template.list()
+    return g_utils.first_match(templates, **kwargs)
+
+
+def delete_template(uuid):
+    TempestClients.vitrage().template.delete(uuid)
+    wait_for_status(
+        10,
+        lambda _id: True if not get_first_template(uuid=_id) else False,
+        _id=uuid)

vitrage_tempest_tests/tests/e2e/test_basic_template_actions.py

@@ -0,0 +1,189 @@
+# Copyright 2017 - Nokia
+#
+# 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 oslo_log import log as logging
+import time
+
+from vitrage.common.constants import EntityCategory
+from vitrage.common.constants import VertexProperties as VProps
+from vitrage.evaluator.actions.evaluator_event_transformer import \
+    VITRAGE_DATASOURCE
+from vitrage_tempest_tests.tests.common import vitrage_utils as v_util
+from vitrage_tempest_tests.tests.e2e.test_actions_base import TestActionsBase
+from vitrage_tempest_tests.tests import utils
+
+LOG = logging.getLogger(__name__)
+
+TRIGGER_ALARM_1 = 'e2e.test_template_actions.trigger.alarm1'
+DEDUCED = 'e2e.test_template_actions.deduced.alarm'
+
+TRIGGER_ALARM_2 = 'e2e.test_template_actions.trigger.alarm2'
+DEDUCED_2 = 'e2e.test_template_actions.deduced.alarm2'
+
+TEST_TEMPLATE = 'e2e_test_template_actions.yaml'
+TEST_TEMPLATE_2 = 'e2e_test_template_actions_2.yaml'
+
+INFILE_NAME = 'e2e_test_template_actions'
+INFILE_NAME_2 = 'e2e_test_template_actions_2'
+
+
+FOLDER_PATH = 'templates/api/e2e_test_template'
+
+DEDUCED_PROPS = {
+    VProps.NAME: DEDUCED,
+    VProps.VITRAGE_CATEGORY: EntityCategory.ALARM,
+    VProps.VITRAGE_TYPE: VITRAGE_DATASOURCE,
+}
+
+DEDUCED_PROPS_2 = {
+    VProps.NAME: DEDUCED_2,
+    VProps.VITRAGE_CATEGORY: EntityCategory.ALARM,
+    VProps.VITRAGE_TYPE: VITRAGE_DATASOURCE,
+}
+
+
+class TestTemplateActions(TestActionsBase):
+
+    def __init__(self, *args, **kwds):
+        super(TestTemplateActions, self).__init__(*args, **kwds)
+        self.added_template = None
+
+    def setUp(self):
+        super(TestTemplateActions, self).setUp()
+
+    def tearDown(self):
+        super(TestTemplateActions, self).tearDown()
+        time.sleep(10)
+        self._trigger_undo_action(TRIGGER_ALARM_1)
+        if self.added_template is not None:
+            v_util.delete_template(self.added_template['uuid'])
+            self.added_template = None
+
+    @utils.tempest_logger
+    def test_evaluator_reload_with_new_template(self):
+        """Test reload new template e2e
+
+        1. raise trigger alarm (template is not loaded yet)
+        2. add the relevant template
+        3. check action is executed
+        This checks that the evaluators are reloaded and run on all existing
+         vertices.
+        """
+        try:
+            host_id = self.orig_host.get(VProps.VITRAGE_ID)
+            self._trigger_do_action(TRIGGER_ALARM_1)
+            self.added_template = v_util.add_template(TEST_TEMPLATE,
+                                                      folder=FOLDER_PATH)
+            self._check_deduced(1, DEDUCED_PROPS, host_id)
+
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+
+    @utils.tempest_logger
+    def test_evaluator_reload_with_existing_template(self):
+        """Test reload new template e2e
+
+        1.add the relevant template
+        2.raise trigger alarm.
+        3. check action is executed
+        This checks that new workers execute new template
+        """
+        try:
+            host_id = self.orig_host.get(VProps.VITRAGE_ID)
+            self.added_template = v_util.add_template(TEST_TEMPLATE,
+                                                      folder=FOLDER_PATH)
+            self._trigger_do_action(TRIGGER_ALARM_1)
+            self._check_deduced(1, DEDUCED_PROPS, host_id)
+
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+
+    @utils.tempest_logger
+    def test_evaluator_reload_with_new_template_v2(self):
+        """Test reload new template e2e v2
+
+        1. raise trigger alarm
+        2. add the relevant template
+        3. delete the template.
+        4. check action - should be not active.
+        This checks that the evaluators are reloaded and run on all existing
+         vertices.
+         Checks temporary worker that was added to delete template.
+        """
+        try:
+            host_id = self.orig_host.get(VProps.VITRAGE_ID)
+
+            self._trigger_do_action(TRIGGER_ALARM_1)
+            self.added_template = v_util.add_template(TEST_TEMPLATE,
+                                                      folder=FOLDER_PATH)
+            self._check_deduced(1, DEDUCED_PROPS, host_id)
+            v_util.delete_template(self.added_template['uuid'])
+            self.added_template = None
+            self._check_deduced(0, DEDUCED_PROPS, host_id)
+
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+
+    @utils.tempest_logger
+    def test_evaluator_reload_with_existing_template_v2(self):
+        """Test reload new template e2e v2
+
+        1.add the relevant template
+        2.delete the template
+        2.raise trigger alarm.
+        3. check no deduced alarm
+        This checks that template deleted properly and no action executed.
+        :return:
+        """
+        try:
+            host_id = self.orig_host.get(VProps.VITRAGE_ID)
+            self.added_template = v_util.add_template(TEST_TEMPLATE,
+                                                      folder=FOLDER_PATH)
+            v_util.delete_template(self.added_template['uuid'])
+            self.added_template = None
+            self._trigger_do_action(TRIGGER_ALARM_1)
+            self._check_deduced(0, DEDUCED_PROPS, host_id)
+
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+
+    @utils.tempest_logger
+    def test_evaluator_reload_with_multiple_new_template(self):
+        """Test reload new template e2e
+
+        1. raise trigger alarm (template is not loaded yet)
+        2. add 2 new templates.
+        3. check both actions are executed
+        This checks that the evaluators are reloaded for both templates
+         and run on all existing vertices.
+        """
+        try:
+            host_id = self.orig_host.get(VProps.VITRAGE_ID)
+            self._trigger_do_action(TRIGGER_ALARM_1)
+            self._trigger_do_action(TRIGGER_ALARM_2)
+            v_util.add_template(folder=FOLDER_PATH)
+            self.added_template = v_util.get_first_template(name=INFILE_NAME)
+            second_template = v_util.get_first_template(name=INFILE_NAME_2)
+            self._check_deduced(1, DEDUCED_PROPS, host_id)
+            self._check_deduced(1, DEDUCED_PROPS_2, host_id)
+
+        except Exception as e:
+            self._handle_exception(e)
+            raise
+        finally:
+            if second_template:
+                v_util.delete_template(second_template['uuid'])

vitrage_tempest_tests/tests/resources/templates/api/basic_def_template.yaml

@@ -0,0 +1,22 @@
+metadata:
+ #a basic def_template file
+ name: basic_def_template
+ description: basic def_template for general tests
+definitions:
+ entities:
+  - entity:
+     category: ALARM
+     type: nagios
+     name: host_problem
+     template_id: alarm
+  - entity:
+     category: RESOURCE
+     type: nova.host
+     template_id: resource
+ relationships:
+  - relationship:
+     source: alarm
+     target: resource
+     relationship_type: on
+     template_id : alarm_on_host
+

vitrage_tempest_tests/tests/resources/templates/api/basic_equivalence_templates.yaml

@@ -0,0 +1,21 @@
+metadata:
+ name: entity equivalence example
+equivalences:
+ - equivalence:
+    - entity:
+       category: ALARM
+       type: nagios
+       name: cpu_high
+    - entity:
+       category: ALARM
+       type: vitrage
+       name: cpu_high
+ - equivalence:
+    - entity:
+       category: ALARM
+       type: nagios
+       name: mem_low
+    - entity:
+       category: ALARM
+       type: vitrage
+       name: mem_low

vitrage_tempest_tests/tests/resources/templates/api/e2e_test_template/e2e_test_template_actions.yaml

@@ -0,0 +1,66 @@
+metadata:
+ name: e2e_test_template_actions
+ description: this template includes vitrage basic actions
+definitions:
+ entities:
+  - entity:
+     category: ALARM
+     name: e2e.test_template_actions.trigger.alarm1
+     template_id: trigger_alarm_1
+  - entity:
+     category: ALARM
+     type: vitrage
+     name: e2e.test_template_actions.deduced.alarm
+     template_id: deduced_alarm
+  - entity:
+     category: RESOURCE
+     type: nova.host
+     template_id: host
+  - entity:
+     category: RESOURCE
+     type: nova.instance
+     template_id: instance
+ relationships:
+  - relationship:
+     source: trigger_alarm_1
+     relationship_type: on
+     target: host
+     template_id : trigger_alarm_1_on_host
+  - relationship:
+     source: deduced_alarm
+     relationship_type: on
+     target: host
+     template_id : deduced_alarm_on_host
+  - relationship:
+     source: host
+     target: instance
+     relationship_type: contains
+     template_id: host_contains_instance
+scenarios:
+ - scenario:
+    condition: trigger_alarm_1_on_host
+    actions:
+     - action:
+         action_type: set_state
+         action_target:
+            target: host
+         properties:
+            state: ERROR
+ - scenario:
+    condition: trigger_alarm_1_on_host
+    actions:
+     - action:
+        action_type: raise_alarm
+        action_target:
+         target: host
+        properties:
+         alarm_name: e2e.test_template_actions.deduced.alarm
+         severity: WARNING
+ - scenario:
+    condition: trigger_alarm_1_on_host and deduced_alarm_on_host
+    actions:
+     - action:
+        action_type: add_causal_relationship
+        action_target:
+         source: trigger_alarm_1
+         target: deduced_alarm

vitrage_tempest_tests/tests/resources/templates/api/e2e_test_template/e2e_test_template_actions_2.yaml

@@ -0,0 +1,66 @@
+metadata:
+ name: e2e_test_template_actions_2
+ description: this template includes vitrage basic actions
+definitions:
+ entities:
+  - entity:
+     category: ALARM
+     name: e2e.test_template_actions.trigger.alarm2
+     template_id: trigger_alarm_2
+  - entity:
+     category: ALARM
+     type: vitrage
+     name: e2e.test_template_actions.deduced.alarm2
+     template_id: deduced_alarm_2
+  - entity:
+     category: RESOURCE
+     type: nova.host
+     template_id: host
+  - entity:
+     category: RESOURCE
+     type: nova.instance
+     template_id: instance
+ relationships:
+  - relationship:
+     source: trigger_alarm_2
+     relationship_type: on
+     target: host
+     template_id : trigger_alarm_2_on_host
+  - relationship:
+     source: deduced_alarm_2
+     relationship_type: on
+     target: host
+     template_id : deduced_alarm_2_on_host
+  - relationship:
+     source: host
+     target: instance
+     relationship_type: contains
+     template_id: host_contains_instance
+scenarios:
+ - scenario:
+    condition: trigger_alarm_2_on_host
+    actions:
+     - action:
+         action_type: set_state
+         action_target:
+            target: host
+         properties:
+            state: ERROR
+ - scenario:
+    condition: trigger_alarm_2_on_host
+    actions:
+     - action:
+        action_type: raise_alarm
+        action_target:
+         target: host
+        properties:
+         alarm_name: e2e.test_template_actions.deduced.alarm2
+         severity: WARNING
+ - scenario:
+    condition: trigger_alarm_2_on_host and deduced_alarm_2_on_host
+    actions:
+     - action:
+        action_type: add_causal_relationship
+        action_target:
+         source: trigger_alarm_2
+         target: deduced_alarm_2

vitrage_tempest_tests/tests/resources/templates/api/equivalence_template.yaml

@@ -0,0 +1,12 @@
+metadata:
+ name: zabbix_host_equivalence
+equivalences:
+ - equivalence:
+    - entity:
+       category: ALARM
+       type: nagios
+       name: host_problem
+    - entity:
+       category: ALARM
+       type: zabbix
+       name: host_problem

vitrage_tempest_tests/tests/resources/templates/api/host_high_memory_usage_scenarios.yaml

@@ -0,0 +1,73 @@
+metadata:
+ name: host_high_memory_usage_scenarios
+ description: scenarios triggered by high memory usage on physical host
+definitions:
+ entities:
+  - entity:
+     category: ALARM
+     type: zabbix
+     rawtext: Lack of available memory on server {HOST.NAME}
+     template_id: lack_of_available_memory_alarm
+  - entity:
+     category: ALARM
+     type: vitrage
+     name: Instance memory performance degraded
+     template_id: instance_memory_performance_degraded_alarm
+  - entity:
+     category: RESOURCE
+     type: nova.instance
+     template_id: instance
+  - entity:
+     category: RESOURCE
+     type: nova.host
+     template_id: host
+ relationships:
+  - relationship:
+     source: lack_of_available_memory_alarm
+     relationship_type: on
+     target: host
+     template_id : lack_of_available_memory_alarm_on_host
+  - relationship:
+     source: host
+     relationship_type: contains
+     target: instance
+     template_id : host_contains_instance
+  - relationship:
+     source: instance_memory_performance_degraded_alarm
+     relationship_type: on
+     target: instance
+     template_id : memory_performance_degraded_alarm_on_instance
+scenarios:
+ - scenario:
+    condition: lack_of_available_memory_alarm_on_host and host_contains_instance
+    actions:
+     - action:
+        action_type: raise_alarm
+        action_target:
+         target: instance
+        properties:
+         alarm_name: Instance memory performance degraded
+         severity: warning
+ - scenario:
+    condition: lack_of_available_memory_alarm_on_host and host_contains_instance and memory_performance_degraded_alarm_on_instance
+    actions:
+     - action:
+        action_type: add_causal_relationship
+        action_target:
+         source: lack_of_available_memory_alarm
+         target: instance_memory_performance_degraded_alarm
+     - action:
+        action_type: set_state
+        action_target:
+         target: instance
+        properties:
+         state: SUBOPTIMAL
+ - scenario:
+    condition: lack_of_available_memory_alarm_on_host
+    actions: 
+     - action: 
+        action_type: set_state
+        action_target:
+         target: host
+        properties:
+         state: SUBOPTIMAL

vitrage_tempest_tests/tests/utils.py

@@ -167,5 +167,5 @@ def wait_for_status(max_waiting, func, **kwargs):
             return True
         count += 1
         time.sleep(2)
-    LOG.info("wait_for_status - False")
+    LOG.error("wait_for_status - False")
     return False