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CZ-98 Add support for lookup the network for vm based on input provid… (
#8) * CZ-98 Add support for lookup the network for vm based on input provided by user * CZ-98 Update logging message * CZ-98 Fix some issues and add support ip version checking * CZ-98 Update networks * CZ-98 Fix grapping ports for vifs * CZ-98 Update the fetching network process for nsxt server * CZ-98 Update network name to use id instead * CZ-98 Update Readme file
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Aug 25, 2020
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| ######## | ||
| # Copyright (c) 2020 Cloudify Technologies Ltd. All rights reserved | ||
| # | ||
| # 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 IPy import IP | ||
|
|
||
| from cloudify import ctx | ||
| from cloudify.exceptions import NonRecoverableError | ||
|
|
||
| from nsx_t_plugin.decorators import with_nsx_t_client | ||
| from nsx_t_sdk.resources import ( | ||
| VirtualMachine, | ||
| VirtualNetworkInterface, | ||
| SegmentPort | ||
| ) | ||
|
|
||
|
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| def _update_network_with_ipv4_and_ipv6(network): | ||
| ipv_4 = [] | ||
| ipv_6 = [] | ||
| ip_address_info = network.get('ip_address_info', []) or [] | ||
| for ip_address_obj in ip_address_info: | ||
| ip_addresses = ip_address_obj.get('ip_addresses', []) or [] | ||
| for ip_address in ip_addresses: | ||
| if IP(ip_address).version() == 4: | ||
| ipv_4.append(ip_address) | ||
| elif IP(ip_address).version() == 6: | ||
| ipv_6.append(ip_address) | ||
|
|
||
| network['ipv4_addresses'] = ipv_4 | ||
| network['ipv6_addresses'] = ipv_6 | ||
|
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|
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| def _lookup_segment_ports(client_config, network_name): | ||
| segment_port = SegmentPort( | ||
| client_config=client_config, | ||
| logger=ctx.logger, | ||
| resource_config={} | ||
| ) | ||
| ports = [] | ||
| for nsx_t_port in segment_port.list( | ||
| filters={ | ||
| 'segment_id': network_name | ||
| } | ||
| ): | ||
| if nsx_t_port.get('attachment'): | ||
| ports.append(nsx_t_port['attachment']['id']) | ||
|
|
||
| return ports | ||
|
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|
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| def _get_target_network(ports, network): | ||
| if not network.get('lport_attachment_id'): | ||
| return {} | ||
| return network if network['lport_attachment_id'] in ports else {} | ||
|
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||
|
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| def _populate_networks_for_virtual_machine( | ||
| client_config, | ||
| owner_vm_id, | ||
| network_id, | ||
| networks | ||
| ): | ||
| ports = _lookup_segment_ports(client_config, network_id) | ||
| if not ports: | ||
| raise NonRecoverableError('Network {0} is not connected to any device') | ||
| networks_obj = {} | ||
| networks_obj['networks'] = {} | ||
| target_network = {} | ||
| for network in networks: | ||
| _update_network_with_ipv4_and_ipv6(network) | ||
| if not target_network: | ||
| target_network = _get_target_network(ports, network) | ||
| networks_obj['networks'][network['display_name']] = network | ||
|
|
||
| if not target_network: | ||
| raise NonRecoverableError( | ||
| 'The selected network {0} is not ' | ||
| 'attached to target virtual machine {1}' | ||
| ''.format(network_id, owner_vm_id) | ||
| ) | ||
|
|
||
| ctx.instance.runtime_properties[network_id] = target_network | ||
| ctx.instance.runtime_properties['networks'] = networks_obj | ||
|
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|
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| @with_nsx_t_client(VirtualMachine) | ||
| def create(nsx_t_resource): | ||
| network_id = nsx_t_resource.resource_config.get('network_id') | ||
| if not network_id: | ||
| raise NonRecoverableError( | ||
| 'Network name is required in order ' | ||
| 'to fetch the network interface attached to target ' | ||
| 'virtual machine' | ||
| ) | ||
| ctx.logger.info( | ||
| 'Preparing resource to fetch target network interface' | ||
| ' {0} for target virtual machine' | ||
| ''.format(network_id) | ||
| ) | ||
|
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|
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| @with_nsx_t_client(VirtualNetworkInterface) | ||
| def configure(nsx_t_resource): | ||
| owner_vm_id = ctx.instance.runtime_properties.get('id') | ||
| if not owner_vm_id: | ||
| owner_vm_id = nsx_t_resource.resource_id | ||
| filters = { | ||
| 'owner_vm_id': owner_vm_id | ||
| } | ||
| # This will list all networks interface attached to specific vm | ||
| networks = nsx_t_resource.list(filters=filters) | ||
| network_id = nsx_t_resource.resource_config.get('network_id') | ||
| if not networks: | ||
| raise NonRecoverableError( | ||
| 'Virtual Machine is not attached to any ' | ||
| 'network' | ||
| ) | ||
| _populate_networks_for_virtual_machine( | ||
| nsx_t_resource.client_config, | ||
| owner_vm_id, | ||
| network_id, | ||
| networks | ||
| ) |
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