CLOUDSTACK-8314: Add test case to validate VM.DESTROY event is logged when VM deployment fails

This closes #110

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Author: Gaurav Aradhye

test/integration/smoke/test_usage_events.py

@@ -0,0 +1,190 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+""" Test cases for checking usage events
+"""
+from nose.plugins.attrib import attr
+from marvin.cloudstackTestCase import cloudstackTestCase
+from marvin.lib.utils import (cleanup_resources, validateList)
+from marvin.lib.base import (Account,
+                             ServiceOffering,
+                             VirtualMachine)
+from marvin.lib.common import (get_domain,
+                               get_zone,
+                               get_template)
+from marvin.codes import (PASS)
+
+class TestUsageEvents(cloudstackTestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        testClient = super(TestUsageEvents, cls).getClsTestClient()
+        cls.apiclient = testClient.getApiClient()
+        cls.testdata = testClient.getParsedTestDataConfig()
+
+        # Get Zone, Domain and templates
+        cls.domain = get_domain(cls.apiclient)
+        cls.zone = get_zone(cls.apiclient, testClient.getZoneForTests())
+
+        cls.template = get_template(
+            cls.apiclient,
+            cls.zone.id,
+            cls.testdata["ostype"])
+        cls._cleanup = []
+
+        try:
+            # Create large service offering so that VM creation fails
+            cls.testdata["service_offering"]["cpunumber"] = "8"
+            cls.testdata["service_offering"]["cpuspeed"] = "8096"
+            cls.testdata["service_offering"]["memory"] = "8096"
+
+            cls.service_offering = ServiceOffering.create(
+                cls.apiclient,
+                cls.testdata["service_offering"]
+            )
+            cls._cleanup.append(cls.service_offering)
+        except Exception as e:
+            cls.tearDownClass()
+            raise e
+        return
+
+    @classmethod
+    def tearDownClass(cls):
+        try:
+            cleanup_resources(cls.apiclient, cls._cleanup)
+        except Exception as e:
+            raise Exception("Warning: Exception during cleanup : %s" % e)
+
+    def setUp(self):
+        self.apiclient = self.testClient.getApiClient()
+        self.dbclient = self.testClient.getDbConnection()
+        self.cleanup = []
+        # Create an account
+        self.account = Account.create(
+            self.apiclient,
+            self.testdata["account"],
+            domainid=self.domain.id
+        )
+        self.cleanup.append(self.account)
+
+    def tearDown(self):
+        try:
+            cleanup_resources(self.apiclient, self.cleanup)
+        except Exception as e:
+            raise Exception("Warning: Exception during cleanup : %s" % e)
+        return
+
+    @attr(tags=["advanced, basic"], required_hardware="true")
+    def test_01_positive_tests_usage(self):
+        """ Check events in usage_events table when VM creation fails
+
+        Steps:
+        1. Create service offering with large resource numbers
+        2. Try to deploy a VM
+        3. VM creation should fail and VM should be in error state
+        4. Destroy the VM with expunge parameter True
+        5. Check the events for the account in usage_events table
+        6. There should be VM.CREATE, VM.DESTROY, VOLUME.CREATE and
+            VOLUME.DELETE events present in the table
+        """
+        # Create VM in account
+        with self.assertRaises(Exception):
+            VirtualMachine.create(
+                self.apiclient,
+                self.testdata["small"],
+                templateid=self.template.id,
+                accountid=self.account.name,
+                domainid=self.account.domainid,
+                serviceofferingid=self.service_offering.id,
+                zoneid=self.zone.id
+            )
+
+        vms = VirtualMachine.list(self.apiclient,
+                                  account=self.account.name,
+                                  domaind=self.account.domainid)
+
+        self.assertEqual(validateList(vms)[0], PASS,
+                         "Vm list validation failed")
+
+        self.assertEqual(vms[0].state.lower(), "error",
+                         "VM should be in error state")
+
+        qresultset = self.dbclient.execute(
+            "select id from account where uuid = '%s';"
+            % self.account.id
+        )
+        self.assertEqual(
+            isinstance(qresultset, list),
+            True,
+            "Check DB query result set for valid data"
+        )
+
+        self.assertNotEqual(
+            len(qresultset),
+            0,
+            "Check DB Query result set"
+        )
+        qresult = qresultset[0]
+
+        account_id = qresult[0]
+        self.debug("select type from usage_event where account_id = '%s';"
+                   % account_id)
+
+        qresultset = self.dbclient.execute(
+            "select type from usage_event where account_id = '%s';"
+            % account_id
+        )
+        self.assertEqual(
+            isinstance(qresultset, list),
+            True,
+            "Check DB query result set for valid data"
+        )
+
+        self.assertNotEqual(
+            len(qresultset),
+            0,
+            "Check DB Query result set"
+        )
+        qresult = str(qresultset)
+        self.debug("Query result: %s" % qresult)
+
+        # Check if VM.CREATE, VM.DESTROY events present in usage_event table
+        self.assertEqual(
+            qresult.count('VM.CREATE'),
+            1,
+            "Check VM.CREATE event in events table"
+        )
+
+        self.assertEqual(
+            qresult.count('VM.DESTROY'),
+            1,
+            "Check VM.DESTROY in list events"
+        )
+
+        # Check if VOLUME.CREATE, VOLUME.DELETE events present in usage_event
+        # table
+        self.assertEqual(
+            qresult.count('VOLUME.CREATE'),
+            1,
+            "Check VOLUME.CREATE in events table"
+        )
+
+        self.assertEqual(
+            qresult.count('VOLUME.DELETE'),
+            1,
+            "Check VM.DELETE in events table"
+        )
+        return