From: Benjamin Diaz Date: Fri, 23 Nov 2018 18:34:24 +0000 (-0300) Subject: Adds support for autoscaling based on vnf-metric X-Git-Tag: v5.0.0~3 X-Git-Url: https://osm.etsi.org/gitweb/?a=commitdiff_plain;h=93f1b1305cef4f52581c80dbbe2ed6ccef1bbeab;hp=f3d077b407c594cdeabe267f73d61c355cb70066;p=osm%2FPOL.git Adds support for autoscaling based on vnf-metric Change-Id: I179395ce1390f9031b15d141ff3b37839943368e Signed-off-by: Benjamin Diaz --- diff --git a/osm_policy_module/core/agent.py b/osm_policy_module/core/agent.py index ab8f857..3e64652 100644 --- a/osm_policy_module/core/agent.py +++ b/osm_policy_module/core/agent.py @@ -36,6 +36,7 @@ from osm_policy_module.common.mon_client import MonClient from osm_policy_module.core import database from osm_policy_module.core.config import Config from osm_policy_module.core.database import ScalingGroup, ScalingAlarm, ScalingPolicy, ScalingCriteria, DatabaseManager +from osm_policy_module.utils.vnfd import VnfdUtils log = logging.getLogger(__name__) @@ -262,8 +263,13 @@ class PolicyModuleAgent: ) ) elif 'vnf-metric' in vnf_monitoring_param: - log.warning("vnf-metric is not currently supported.") - continue + vdu = VnfdUtils.get_mgmt_vdu(vnfd) + vdurs = list( + filter( + lambda vdur: vdur['vdu-id-ref'] == vdu['id'], + vnfr['vdur'] + ) + ) else: log.warning( "Scaling criteria is referring to a vnf-monitoring-param that does not " diff --git a/osm_policy_module/core/exceptions.py b/osm_policy_module/core/exceptions.py new file mode 100644 index 0000000..906bb03 --- /dev/null +++ b/osm_policy_module/core/exceptions.py @@ -0,0 +1,27 @@ +# -*- coding: utf-8 -*- + +# Copyright 2018 Whitestack, LLC +# ************************************************************* + +# This file is part of OSM Monitoring module +# All Rights Reserved to Whitestack, LLC + +# 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. + +# For those usages not covered by the Apache License, Version 2.0 please +# contact: bdiaz@whitestack.com or glavado@whitestack.com +## + + +class ManagementVduNotFound(Exception): + pass diff --git a/osm_policy_module/tests/examples/cirros_vdu_scaling_nsd.yaml b/osm_policy_module/tests/examples/cirros_vdu_scaling_nsd.yaml deleted file mode 100644 index a9e0abd..0000000 --- a/osm_policy_module/tests/examples/cirros_vdu_scaling_nsd.yaml +++ /dev/null @@ -1,42 +0,0 @@ -nsd:nsd-catalog: - nsd: - - id: cirros_vdu_scaling_ns - name: cirros_vdu_scaling_ns - short-name: cirros_vdu_scaling_ns - description: Simple NS example with a cirros_vdu_scaling_vnf - vendor: OSM - version: '1.0' - - # Place the logo as png in icons directory and provide the name here - logo: osm.png - - # Specify the VNFDs that are part of this NSD - constituent-vnfd: - # The member-vnf-index needs to be unique, starting from 1 - # vnfd-id-ref is the id of the VNFD - # Multiple constituent VNFDs can be specified - - member-vnf-index: '1' - vnfd-id-ref: cirros_vdu_scaling_vnf - - member-vnf-index: '2' - vnfd-id-ref: cirros_vdu_scaling_vnf - vld: - # Networks for the VNFs - - id: cirros_nsd_vld1 - name: cirros_nsd_vld1 - type: ELAN - mgmt-network: 'true' - # vim-network-name: - # provider-network: - # segmentation_id: - vnfd-connection-point-ref: - # Specify the constituent VNFs - # member-vnf-index-ref - entry from constituent vnf - # vnfd-id-ref - VNFD id - # vnfd-connection-point-ref - connection point name in the VNFD - - member-vnf-index-ref: 1 - vnfd-id-ref: cirros_vdu_scaling_vnf - # NOTE: Validate the entry below - vnfd-connection-point-ref: eth0 - - member-vnf-index-ref: 2 - vnfd-id-ref: cirros_vdu_scaling_vnf - vnfd-connection-point-ref: eth0 \ No newline at end of file diff --git a/osm_policy_module/tests/examples/cirros_vdu_scaling_vnfd.yaml b/osm_policy_module/tests/examples/cirros_vdu_scaling_vnfd.yaml deleted file mode 100644 index dc599f5..0000000 --- a/osm_policy_module/tests/examples/cirros_vdu_scaling_vnfd.yaml +++ /dev/null @@ -1,74 +0,0 @@ -vnfd:vnfd-catalog: - vnfd: - - id: cirros_vdu_scaling_vnf - name: cirros_vdu_scaling_vnf - short-name: cirros_vdu_scaling_vnf - description: Simple VNF example with a cirros and a scaling group descriptor - vendor: OSM - version: '1.0' - # Place the logo as png in icons directory and provide the name here - logo: cirros-64.png - # Management interface - mgmt-interface: - cp: eth0 - # Atleast one VDU need to be specified - vdu: - - id: cirros_vnfd-VM - name: cirros_vnfd-VM - description: cirros_vnfd-VM - count: 1 - - # Flavour of the VM to be instantiated for the VDU - # flavor below can fit into m1.micro - vm-flavor: - vcpu-count: 1 - memory-mb: 256 - storage-gb: 2 - # Image/checksum or image including the full path - image: 'cirros034' - #checksum: - interface: - # Specify the external interfaces - # There can be multiple interfaces defined - - name: eth0 - type: EXTERNAL - virtual-interface: - type: VIRTIO - bandwidth: '0' - vpci: 0000:00:0a.0 - external-connection-point-ref: eth0 - monitoring-param: - - id: "cirros_vnfd-VM_memory_util" - nfvi-metric: "average_memory_utilization" # The associated NFVI metric to be monitored. Id of the metric - #interface-name-ref: reference to interface name, required for some metrics - connection-point: - - name: eth0 - type: VPORT - scaling-group-descriptor: - - name: "scale_cirros_vnfd-VM" - min-instance-count: 1 - max-instance-count: 10 - scaling-policy: - - name: "auto_memory_util_above_threshold" - scaling-type: "automatic" - threshold-time: 10 - cooldown-time: 60 - scaling-criteria: - - name: "group1_memory_util_above_threshold" - scale-in-threshold: 20 - scale-in-relational-operation: "LT" - scale-out-threshold: 80 - scale-out-relational-operation: "GT" - vnf-monitoring-param-ref: "cirros_vnf_memory_util" - vdu: - - vdu-id-ref: cirros_vnfd-VM - count: 1 - # scaling-config-action: # Para utilizar charms - # - trigger: post-scale-out - # vnf-config-primitive-name-ref: - monitoring-param: - - id: "cirros_vnf_memory_util" - name: "cirros_vnf_memory_util" - aggregation-type: AVERAGE - vdu-ref: "cirros_vnfd-VM" - vdu-monitoring-param-ref: "cirros_vnfd-VM_memory_util" \ No newline at end of file diff --git a/osm_policy_module/tests/unit/core/__init__.py b/osm_policy_module/tests/unit/core/__init__.py new file mode 100644 index 0000000..d81308a --- /dev/null +++ b/osm_policy_module/tests/unit/core/__init__.py @@ -0,0 +1,23 @@ +# -*- coding: utf-8 -*- + +# Copyright 2018 Whitestack, LLC +# ************************************************************* + +# This file is part of OSM Monitoring module +# All Rights Reserved to Whitestack, LLC + +# 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. + +# For those usages not covered by the Apache License, Version 2.0 please +# contact: bdiaz@whitestack.com or glavado@whitestack.com +## diff --git a/osm_policy_module/tests/unit/core/test_policy_agent.py b/osm_policy_module/tests/unit/core/test_policy_agent.py new file mode 100644 index 0000000..932adf4 --- /dev/null +++ b/osm_policy_module/tests/unit/core/test_policy_agent.py @@ -0,0 +1,123 @@ +# -*- coding: utf-8 -*- + +# Copyright 2018 Whitestack, LLC +# ************************************************************* + +# This file is part of OSM Monitoring module +# All Rights Reserved to Whitestack, LLC + +# 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. + +# For those usages not covered by the Apache License, Version 2.0 please +# contact: bdiaz@whitestack.com or glavado@whitestack.com +## +import asyncio +import datetime +import unittest +from unittest import mock +from unittest.mock import Mock + +from osm_policy_module.core.agent import PolicyModuleAgent +from osm_policy_module.core.database import DatabaseManager + + +class PolicyAgentTest(unittest.TestCase): + def setUp(self): + self.loop = asyncio.new_event_loop() + asyncio.set_event_loop(None) + + @mock.patch('osm_policy_module.core.agent.CommonDbClient') + @mock.patch('osm_policy_module.core.agent.MonClient') + @mock.patch('osm_policy_module.core.agent.LcmClient') + @mock.patch.object(PolicyModuleAgent, '_configure_scaling_groups') + def test_handle_instantiated_or_scaled(self, configure_scaling_groups, lcm_client, mon_client, db_client): + async def mock_configure_scaling_groups(nsr_id): + pass + + agent = PolicyModuleAgent(self.loop) + assert lcm_client.called + assert mon_client.called + assert db_client.called + content = { + 'nslcmop_id': 'test_id', + } + nslcmop_completed = { + 'operationState': 'COMPLETED', + 'nsInstanceId': 'test_nsr_id' + } + nslcmop_failed = { + 'operationState': 'FAILED', + 'nsInstanceId': 'test_nsr_id' + } + configure_scaling_groups.side_effect = mock_configure_scaling_groups + + db_client.return_value.get_nslcmop.return_value = nslcmop_completed + self.loop.run_until_complete(agent._handle_instantiated_or_scaled(content)) + configure_scaling_groups.assert_called_with('test_nsr_id') + configure_scaling_groups.reset_mock() + + db_client.return_value.get_nslcmop.return_value = nslcmop_failed + self.loop.run_until_complete(agent._handle_instantiated_or_scaled(content)) + configure_scaling_groups.assert_not_called() + + @mock.patch('osm_policy_module.core.agent.CommonDbClient') + @mock.patch('osm_policy_module.core.agent.MonClient') + @mock.patch('osm_policy_module.core.agent.LcmClient') + @mock.patch.object(DatabaseManager, 'get_alarm') + def test_handle_alarm_notification(self, get_alarm, lcm_client, mon_client, db_client): + async def mock_scale(nsr_id, scaling_group_name, vnf_member_index, action): + pass + + agent = PolicyModuleAgent(self.loop) + assert lcm_client.called + assert mon_client.called + assert db_client.called + content = { + 'notify_details': { + 'alarm_uuid': 'test_alarm_uuid', + 'metric_name': 'test_metric_name', + 'operation': 'test_operation', + 'threshold_value': 'test_threshold_value', + 'vdu_name': 'test_vdu_name', + 'vnf_member_index': 'test_vnf_member_index', + 'ns_id': 'test_nsr_id' + } + } + mock_alarm = Mock() + mock_alarm.vnf_member_index = 1 + mock_alarm.action = 'scale_out' + mock_scaling_criteria = Mock() + mock_scaling_policy = Mock() + mock_scaling_group = Mock() + mock_scaling_group.nsr_id = 'test_nsr_id' + mock_scaling_group.name = 'test_name' + mock_scaling_policy.cooldown_time = 60 + mock_scaling_policy.scaling_group = mock_scaling_group + mock_scaling_criteria.scaling_policy = mock_scaling_policy + mock_alarm.scaling_criteria = mock_scaling_criteria + get_alarm.return_value = mock_alarm + lcm_client.return_value.scale.side_effect = mock_scale + + mock_scaling_policy.last_scale = datetime.datetime.now() - datetime.timedelta(minutes=90) + + self.loop.run_until_complete(agent._handle_alarm_notification(content)) + lcm_client.return_value.scale.assert_called_with('test_nsr_id', 'test_name', 1, 'scale_out') + lcm_client.return_value.scale.reset_mock() + + mock_scaling_policy.last_scale = datetime.datetime.now() + self.loop.run_until_complete(agent._handle_alarm_notification(content)) + lcm_client.return_value.scale.assert_not_called() + + +if __name__ == '__main__': + unittest.main() diff --git a/osm_policy_module/tests/unit/test_policy_agent.py b/osm_policy_module/tests/unit/test_policy_agent.py deleted file mode 100644 index 932adf4..0000000 --- a/osm_policy_module/tests/unit/test_policy_agent.py +++ /dev/null @@ -1,123 +0,0 @@ -# -*- coding: utf-8 -*- - -# Copyright 2018 Whitestack, LLC -# ************************************************************* - -# This file is part of OSM Monitoring module -# All Rights Reserved to Whitestack, LLC - -# 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. - -# For those usages not covered by the Apache License, Version 2.0 please -# contact: bdiaz@whitestack.com or glavado@whitestack.com -## -import asyncio -import datetime -import unittest -from unittest import mock -from unittest.mock import Mock - -from osm_policy_module.core.agent import PolicyModuleAgent -from osm_policy_module.core.database import DatabaseManager - - -class PolicyAgentTest(unittest.TestCase): - def setUp(self): - self.loop = asyncio.new_event_loop() - asyncio.set_event_loop(None) - - @mock.patch('osm_policy_module.core.agent.CommonDbClient') - @mock.patch('osm_policy_module.core.agent.MonClient') - @mock.patch('osm_policy_module.core.agent.LcmClient') - @mock.patch.object(PolicyModuleAgent, '_configure_scaling_groups') - def test_handle_instantiated_or_scaled(self, configure_scaling_groups, lcm_client, mon_client, db_client): - async def mock_configure_scaling_groups(nsr_id): - pass - - agent = PolicyModuleAgent(self.loop) - assert lcm_client.called - assert mon_client.called - assert db_client.called - content = { - 'nslcmop_id': 'test_id', - } - nslcmop_completed = { - 'operationState': 'COMPLETED', - 'nsInstanceId': 'test_nsr_id' - } - nslcmop_failed = { - 'operationState': 'FAILED', - 'nsInstanceId': 'test_nsr_id' - } - configure_scaling_groups.side_effect = mock_configure_scaling_groups - - db_client.return_value.get_nslcmop.return_value = nslcmop_completed - self.loop.run_until_complete(agent._handle_instantiated_or_scaled(content)) - configure_scaling_groups.assert_called_with('test_nsr_id') - configure_scaling_groups.reset_mock() - - db_client.return_value.get_nslcmop.return_value = nslcmop_failed - self.loop.run_until_complete(agent._handle_instantiated_or_scaled(content)) - configure_scaling_groups.assert_not_called() - - @mock.patch('osm_policy_module.core.agent.CommonDbClient') - @mock.patch('osm_policy_module.core.agent.MonClient') - @mock.patch('osm_policy_module.core.agent.LcmClient') - @mock.patch.object(DatabaseManager, 'get_alarm') - def test_handle_alarm_notification(self, get_alarm, lcm_client, mon_client, db_client): - async def mock_scale(nsr_id, scaling_group_name, vnf_member_index, action): - pass - - agent = PolicyModuleAgent(self.loop) - assert lcm_client.called - assert mon_client.called - assert db_client.called - content = { - 'notify_details': { - 'alarm_uuid': 'test_alarm_uuid', - 'metric_name': 'test_metric_name', - 'operation': 'test_operation', - 'threshold_value': 'test_threshold_value', - 'vdu_name': 'test_vdu_name', - 'vnf_member_index': 'test_vnf_member_index', - 'ns_id': 'test_nsr_id' - } - } - mock_alarm = Mock() - mock_alarm.vnf_member_index = 1 - mock_alarm.action = 'scale_out' - mock_scaling_criteria = Mock() - mock_scaling_policy = Mock() - mock_scaling_group = Mock() - mock_scaling_group.nsr_id = 'test_nsr_id' - mock_scaling_group.name = 'test_name' - mock_scaling_policy.cooldown_time = 60 - mock_scaling_policy.scaling_group = mock_scaling_group - mock_scaling_criteria.scaling_policy = mock_scaling_policy - mock_alarm.scaling_criteria = mock_scaling_criteria - get_alarm.return_value = mock_alarm - lcm_client.return_value.scale.side_effect = mock_scale - - mock_scaling_policy.last_scale = datetime.datetime.now() - datetime.timedelta(minutes=90) - - self.loop.run_until_complete(agent._handle_alarm_notification(content)) - lcm_client.return_value.scale.assert_called_with('test_nsr_id', 'test_name', 1, 'scale_out') - lcm_client.return_value.scale.reset_mock() - - mock_scaling_policy.last_scale = datetime.datetime.now() - self.loop.run_until_complete(agent._handle_alarm_notification(content)) - lcm_client.return_value.scale.assert_not_called() - - -if __name__ == '__main__': - unittest.main() diff --git a/osm_policy_module/tests/unit/utils/__init__.py b/osm_policy_module/tests/unit/utils/__init__.py new file mode 100644 index 0000000..d81308a --- /dev/null +++ b/osm_policy_module/tests/unit/utils/__init__.py @@ -0,0 +1,23 @@ +# -*- coding: utf-8 -*- + +# Copyright 2018 Whitestack, LLC +# ************************************************************* + +# This file is part of OSM Monitoring module +# All Rights Reserved to Whitestack, LLC + +# 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. + +# For those usages not covered by the Apache License, Version 2.0 please +# contact: bdiaz@whitestack.com or glavado@whitestack.com +## diff --git a/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_nsd.yaml b/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_nsd.yaml new file mode 100644 index 0000000..a9e0abd --- /dev/null +++ b/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_nsd.yaml @@ -0,0 +1,42 @@ +nsd:nsd-catalog: + nsd: + - id: cirros_vdu_scaling_ns + name: cirros_vdu_scaling_ns + short-name: cirros_vdu_scaling_ns + description: Simple NS example with a cirros_vdu_scaling_vnf + vendor: OSM + version: '1.0' + + # Place the logo as png in icons directory and provide the name here + logo: osm.png + + # Specify the VNFDs that are part of this NSD + constituent-vnfd: + # The member-vnf-index needs to be unique, starting from 1 + # vnfd-id-ref is the id of the VNFD + # Multiple constituent VNFDs can be specified + - member-vnf-index: '1' + vnfd-id-ref: cirros_vdu_scaling_vnf + - member-vnf-index: '2' + vnfd-id-ref: cirros_vdu_scaling_vnf + vld: + # Networks for the VNFs + - id: cirros_nsd_vld1 + name: cirros_nsd_vld1 + type: ELAN + mgmt-network: 'true' + # vim-network-name: + # provider-network: + # segmentation_id: + vnfd-connection-point-ref: + # Specify the constituent VNFs + # member-vnf-index-ref - entry from constituent vnf + # vnfd-id-ref - VNFD id + # vnfd-connection-point-ref - connection point name in the VNFD + - member-vnf-index-ref: 1 + vnfd-id-ref: cirros_vdu_scaling_vnf + # NOTE: Validate the entry below + vnfd-connection-point-ref: eth0 + - member-vnf-index-ref: 2 + vnfd-id-ref: cirros_vdu_scaling_vnf + vnfd-connection-point-ref: eth0 \ No newline at end of file diff --git a/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_vnfd_1.yaml b/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_vnfd_1.yaml new file mode 100644 index 0000000..a626674 --- /dev/null +++ b/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_vnfd_1.yaml @@ -0,0 +1,75 @@ +vnfd:vnfd-catalog: + vnfd: + - id: cirros_vdu_scaling_vnf + name: cirros_vdu_scaling_vnf + short-name: cirros_vdu_scaling_vnf + description: Simple VNF example with a cirros and a scaling group descriptor + vendor: OSM + version: '1.0' + # Place the logo as png in icons directory and provide the name here + logo: cirros-64.png + # Management interface + mgmt-interface: + cp: eth0 + # Atleast one VDU need to be specified + vdu: + - id: cirros_vnfd-VM + name: cirros_vnfd-VM + description: cirros_vnfd-VM + count: 1 + + # Flavour of the VM to be instantiated for the VDU + # flavor below can fit into m1.micro + vm-flavor: + vcpu-count: 1 + memory-mb: 256 + storage-gb: 2 + # Image/checksum or image including the full path + image: 'cirros034' + #checksum: + interface: + # Specify the external interfaces + # There can be multiple interfaces defined + - name: eth0 + type: EXTERNAL + virtual-interface: + type: VIRTIO + bandwidth: '0' + vpci: 0000:00:0a.0 + external-connection-point-ref: eth0 + monitoring-param: + - id: "cirros_vnfd-VM_cpu_util" + nfvi-metric: "cpu_utilization" # The associated NFVI metric to be monitored. Id of the metric + #interface-name-ref: reference to interface name, required for some metrics + connection-point: + - name: eth0 + type: VPORT + scaling-group-descriptor: + - name: "scale_cirros_vnfd-VM" + min-instance-count: 1 + max-instance-count: 10 + scaling-policy: + - name: "auto_cpu_util_above_threshold" + scaling-type: "automatic" + threshold-time: 10 + cooldown-time: 60 + scaling-criteria: + - name: "group1_cpu_util_above_threshold" + scale-in-threshold: 20 + scale-in-relational-operation: "LT" + scale-out-threshold: 80 + scale-out-relational-operation: "GT" + vnf-monitoring-param-ref: "cirros_vnf_cpu_util" + vdu: + - vdu-id-ref: cirros_vnfd-VM + count: 1 + # scaling-config-action: # Para utilizar charms + # - trigger: post-scale-out + # vnf-config-primitive-name-ref: + monitoring-param: + - id: "cirros_vnf_cpu_util" + name: "cirros_vnf_cpu_util" + aggregation-type: AVERAGE + vdu-monitoring-param: + vdu-ref: "cirros_vnfd-VM" + vdu-monitoring-param-ref: "cirros_vnfd-VM_cpu_util" \ No newline at end of file diff --git a/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_vnfd_2.yaml b/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_vnfd_2.yaml new file mode 100644 index 0000000..8e0c603 --- /dev/null +++ b/osm_policy_module/tests/unit/utils/examples/cirros_vdu_scaling_vnfd_2.yaml @@ -0,0 +1,75 @@ +vnfd:vnfd-catalog: + vnfd: + - id: cirros_vdu_scaling_vnf + name: cirros_vdu_scaling_vnf + short-name: cirros_vdu_scaling_vnf + description: Simple VNF example with a cirros and a scaling group descriptor + vendor: OSM + version: '1.0' + # Place the logo as png in icons directory and provide the name here + logo: cirros-64.png + # Management vdu id + mgmt-interface: + vdu-id: cirros_vnfd-VM + # Atleast one VDU need to be specified + vdu: + - id: cirros_vnfd-VM + name: cirros_vnfd-VM + description: cirros_vnfd-VM + count: 1 + + # Flavour of the VM to be instantiated for the VDU + # flavor below can fit into m1.micro + vm-flavor: + vcpu-count: 1 + memory-mb: 256 + storage-gb: 2 + # Image/checksum or image including the full path + image: 'cirros034' + #checksum: + interface: + # Specify the external interfaces + # There can be multiple interfaces defined + - name: eth0 + type: EXTERNAL + virtual-interface: + type: VIRTIO + bandwidth: '0' + vpci: 0000:00:0a.0 + external-connection-point-ref: eth0 + monitoring-param: + - id: "cirros_vnfd-VM_cpu_util" + nfvi-metric: "cpu_utilization" # The associated NFVI metric to be monitored. Id of the metric + #interface-name-ref: reference to interface name, required for some metrics + connection-point: + - name: eth0 + type: VPORT + scaling-group-descriptor: + - name: "scale_cirros_vnfd-VM" + min-instance-count: 1 + max-instance-count: 10 + scaling-policy: + - name: "auto_cpu_util_above_threshold" + scaling-type: "automatic" + threshold-time: 10 + cooldown-time: 60 + scaling-criteria: + - name: "group1_cpu_util_above_threshold" + scale-in-threshold: 20 + scale-in-relational-operation: "LT" + scale-out-threshold: 80 + scale-out-relational-operation: "GT" + vnf-monitoring-param-ref: "cirros_vnf_cpu_util" + vdu: + - vdu-id-ref: cirros_vnfd-VM + count: 1 + # scaling-config-action: # Para utilizar charms + # - trigger: post-scale-out + # vnf-config-primitive-name-ref: + monitoring-param: + - id: "cirros_vnf_cpu_util" + name: "cirros_vnf_cpu_util" + aggregation-type: AVERAGE + vdu-monitoring-param: + vdu-ref: "cirros_vnfd-VM" + vdu-monitoring-param-ref: "cirros_vnfd-VM_cpu_util" \ No newline at end of file diff --git a/osm_policy_module/tests/unit/utils/test_vnfd_utils.py b/osm_policy_module/tests/unit/utils/test_vnfd_utils.py new file mode 100644 index 0000000..5b770dd --- /dev/null +++ b/osm_policy_module/tests/unit/utils/test_vnfd_utils.py @@ -0,0 +1,45 @@ +# -*- coding: utf-8 -*- + +# Copyright 2018 Whitestack, LLC +# ************************************************************* + +# This file is part of OSM Monitoring module +# All Rights Reserved to Whitestack, LLC + +# 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. + +# For those usages not covered by the Apache License, Version 2.0 please +# contact: bdiaz@whitestack.com or glavado@whitestack.com +## +import os +import unittest + +import yaml + +from osm_policy_module.utils.vnfd import VnfdUtils + + +class VnfdUtilsTest(unittest.TestCase): + def test_get_mgmt_vdu_by_cp(self): + with open( + os.path.join(os.path.dirname(__file__), 'examples/cirros_vdu_scaling_vnfd_1.yaml'), 'r') as file: + vnfd = yaml.safe_load(file)['vnfd:vnfd-catalog']['vnfd'][0] + vdu = VnfdUtils.get_mgmt_vdu(vnfd) + self.assertEqual(vdu['id'], 'cirros_vnfd-VM') + + def test_get_mgmt_vdu_by_id(self): + with open( + os.path.join(os.path.dirname(__file__), 'examples/cirros_vdu_scaling_vnfd_2.yaml'), 'r') as file: + vnfd = yaml.safe_load(file)['vnfd:vnfd-catalog']['vnfd'][0] + vdu = VnfdUtils.get_mgmt_vdu(vnfd) + self.assertEqual(vdu['id'], 'cirros_vnfd-VM') diff --git a/osm_policy_module/utils/__init__.py b/osm_policy_module/utils/__init__.py new file mode 100644 index 0000000..d81308a --- /dev/null +++ b/osm_policy_module/utils/__init__.py @@ -0,0 +1,23 @@ +# -*- coding: utf-8 -*- + +# Copyright 2018 Whitestack, LLC +# ************************************************************* + +# This file is part of OSM Monitoring module +# All Rights Reserved to Whitestack, LLC + +# 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. + +# For those usages not covered by the Apache License, Version 2.0 please +# contact: bdiaz@whitestack.com or glavado@whitestack.com +## diff --git a/osm_policy_module/utils/vnfd.py b/osm_policy_module/utils/vnfd.py new file mode 100644 index 0000000..234d864 --- /dev/null +++ b/osm_policy_module/utils/vnfd.py @@ -0,0 +1,41 @@ +# -*- coding: utf-8 -*- + +# Copyright 2018 Whitestack, LLC +# ************************************************************* + +# This file is part of OSM Monitoring module +# All Rights Reserved to Whitestack, LLC + +# 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. + +# For those usages not covered by the Apache License, Version 2.0 please +# contact: bdiaz@whitestack.com or glavado@whitestack.com +## +from osm_policy_module.core.exceptions import ManagementVduNotFound + + +class VnfdUtils: + + @staticmethod + def get_mgmt_vdu(vnfd: dict): + if 'cp' in vnfd['mgmt-interface']: + for vdu in vnfd['vdu']: + for interface in vdu['interface']: + if 'external-connection-point-ref' in interface: + if interface['external-connection-point-ref'] == vnfd['mgmt-interface']['cp']: + return vdu + elif 'vdu-id' in vnfd['mgmt-interface']: + for vdu in vnfd['vdu']: + if vdu['id'] == vnfd['mgmt-interface']['vdu-id']: + return vdu + raise ManagementVduNotFound("Management vdu not founr in vnfd %s", vnfd['id'])