291 lines
10 KiB
Python
291 lines
10 KiB
Python
import logging
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from pprint import pprint
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import socket
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from netbox_agent.config import netbox_instance as nb
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import netbox_agent.dmidecode as dmidecode
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from netbox_agent.location import Datacenter, Rack
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from netbox_agent.network import Network
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class ServerBase():
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def __init__(self, dmi=None):
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if dmi:
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self.dmi = dmi
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else:
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self.dmi = dmidecode.parse()
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self.system = self.dmi.get_by_type('System')
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self.bios = self.dmi.get_by_type('BIOS')
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self.network = None
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def get_datacenter(self):
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dc = Datacenter()
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return dc.get()
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def get_netbox_datacenter(self):
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datacenter = nb.dcim.sites.get(
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slug=self.get_datacenter()
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)
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return datacenter
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def get_rack(self):
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rack = Rack()
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return rack.get()
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def get_netbox_rack(self):
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rack = nb.dcim.racks.get(
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name=self.get_rack(),
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datacenter=self.get_netbox_datacenter(),
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)
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return rack
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def get_product_name(self):
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"""
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Return the Chassis Name from dmidecode info
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"""
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return self.system[0]['Product Name']
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def get_service_tag(self):
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"""
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Return the Service Tag from dmidecode info
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"""
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return self.system[0]['Serial Number'].strip()
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def get_hostname(self):
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return '{}'.format(socket.gethostname())
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def is_blade(self):
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raise NotImplementedError
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def get_blade_slot(self):
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raise NotImplementedError
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def get_chassis(self):
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raise NotImplementedError
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def get_chassis_name(self):
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raise NotImplementedError
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def get_chassis_service_tag(self):
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raise NotImplementedError
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def get_bios_version(self):
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raise NotImplementedError
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def get_bios_version_attr(self):
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raise NotImplementedError
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def get_bios_release_date(self):
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raise NotImplementedError
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def _netbox_create_blade_chassis(self, datacenter, rack):
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device_type = nb.dcim.device_types.get(
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model=self.get_chassis(),
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)
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if not device_type:
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error_msg = 'Chassis "{}" doesn\'t exist'.format(self.get_chassis())
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logging.error(error_msg)
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raise Exception(error_msg)
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device_role = nb.dcim.device_roles.get(
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name='Server Chassis',
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)
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serial = self.get_chassis_service_tag()
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logging.info('Creating chassis blade (serial: {serial})'.format(
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serial=serial))
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new_chassis = nb.dcim.devices.create(
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name=self.get_chassis_name(),
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device_type=device_type.id,
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serial=serial,
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device_role=device_role.id,
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site=datacenter.id if datacenter else None,
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rack=rack.id if rack else None,
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)
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return new_chassis
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def _netbox_create_blade(self, chassis, datacenter, rack):
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device_role = nb.dcim.device_roles.get(
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name='Blade',
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)
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device_type = nb.dcim.device_types.get(
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model=self.get_product_name(),
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)
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serial = self.get_service_tag()
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hostname = self.get_hostname()
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logging.info(
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'Creating blade (serial: {serial}) {hostname} on chassis {chassis_serial}'.format(
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serial=serial, hostname=hostname, chassis_serial=chassis.serial
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))
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new_blade = nb.dcim.devices.create(
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name=hostname,
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serial=serial,
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device_role=device_role.id,
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device_type=device_type.id,
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parent_device=chassis.id,
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site=datacenter.id if datacenter else None,
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rack=rack.id if rack else None,
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)
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return new_blade
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def _netbox_set_blade_slot(self, chassis, server):
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slot = self.get_blade_slot()
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# Find the slot and update it with our blade
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device_bays = nb.dcim.device_bays.filter(
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device_id=chassis.id,
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name=slot,
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)
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if len(device_bays) > 0:
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logging.info(
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'Setting device ({serial}) new slot on {slot} '
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'(Chassis {chassis_serial})..'.format(
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serial=server.serial, slot=slot, chassis_serial=chassis.serial
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))
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device_bay = device_bays[0]
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device_bay.installed_device = server
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device_bay.save()
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else:
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logging.error('Could not find slot {slot} for chassis'.format(
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slot=slot
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))
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def _netbox_create_server(self, datacenter, rack):
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device_role = nb.dcim.device_roles.get(
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name='Server',
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)
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device_type = nb.dcim.device_types.get(
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model=self.get_product_name(),
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)
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if not device_type:
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raise Exception('Chassis "{}" doesn\'t exist'.format(self.get_chassis()))
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serial = self.get_service_tag()
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hostname = self.get_hostname()
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logging.info('Creating server (serial: {serial}) {hostname}'.format(
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serial=serial, hostname=hostname))
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new_server = nb.dcim.devices.create(
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name=hostname,
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serial=serial,
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device_role=device_role.id,
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device_type=device_type.id,
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site=datacenter.id if datacenter else None,
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rack=rack.id if rack else None,
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)
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return new_server
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def get_netbox_server(self):
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return nb.dcim.devices.get(serial=self.get_service_tag())
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def netbox_create(self):
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logging.debug('Creating Server..')
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datacenter = self.get_netbox_datacenter()
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rack = self.get_netbox_rack()
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if self.is_blade():
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# let's find the blade
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serial = self.get_service_tag()
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blade = nb.dcim.devices.get(serial=serial)
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chassis = nb.dcim.devices.get(serial=self.get_chassis_service_tag())
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# if it doesn't exist, create it
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if not blade:
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# check if the chassis exist before
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# if it doesn't exist, create it
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chassis = nb.dcim.devices.get(
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serial=self.get_chassis_service_tag()
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)
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if not chassis:
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chassis = self._netbox_create_blade_chassis(datacenter, rack)
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blade = self._netbox_create_blade(chassis, datacenter, rack)
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# Set slot for blade
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self._netbox_set_blade_slot(chassis, blade)
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else:
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server = nb.dcim.devices.get(serial=self.get_service_tag())
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if not server:
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self._netbox_create_server(datacenter, rack)
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self.network = Network(server=self)
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self.network.create_netbox_network_cards()
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logging.debug('Server created!')
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def _netbox_update_chassis_for_blade(self, server, datacenter):
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chassis = server.parent_device.device_bay.device
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device_bay = nb.dcim.device_bays.get(
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server.parent_device.device_bay.id
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)
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netbox_chassis_serial = server.parent_device.device_bay.device.serial
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move_device_bay = False
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# check chassis serial with dmidecode
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if netbox_chassis_serial != self.get_chassis_service_tag():
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move_device_bay = True
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# try to find the new netbox chassis
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chassis = nb.dcim.devices.get(
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serial=self.get_chassis_service_tag()
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)
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if not chassis:
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chassis = self._netbox_create_blade_chassis(datacenter)
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if move_device_bay or device_bay.name != self.get_blade_slot():
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logging.info('Device ({serial}) seems to have moved, reseting old slot..'.format(
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serial=server.serial))
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device_bay.installed_device = None
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device_bay.save()
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# Set slot for blade
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self._netbox_set_blade_slot(chassis, server)
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def netbox_update(self):
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"""
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Netbox method to update info about our server/blade
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Handle:
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* new chasis for a blade
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* new slot for a bblade
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* hostname update
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* new network infos
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"""
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logging.debug('Updating Server...')
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server = nb.dcim.devices.get(serial=self.get_service_tag())
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if not server:
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raise Exception("The server (Serial: {}) isn't yet registered in Netbox, register"
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'it before updating it'.format(self.get_service_tag()))
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update = False
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if self.is_blade():
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datacenter = self.get_netbox_datacenter()
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# if it's already linked to a chassis
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if server.parent_device:
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self._netbox_update_chassis_for_blade(server, datacenter)
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else:
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logging.info('Blade is not in a chassis, fixing...')
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chassis = nb.dcim.devices.get(
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serial=self.get_chassis_service_tag()
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)
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if not chassis:
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chassis = self._netbox_create_blade_chassis(datacenter)
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# Set slot for blade
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self._netbox_set_blade_slot(chassis, server)
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# for every other specs
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# check hostname
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if server.name != self.get_hostname():
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update = True
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server.hostname = self.get_hostname()
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# check network cards
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self.network = Network(server=self)
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self.network.update_netbox_network_cards()
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if update:
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server.save()
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logging.debug('Finished updating Server!')
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def print_debug(self):
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# FIXME: do something more generic by looping on every get_* methods
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print('Datacenter:', self.get_datacenter())
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print('Netbox Datacenter:', self.get_netbox_datacenter())
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print('Rack:', self.get_rack())
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print('Netbox Rack:', self.get_netbox_rack())
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print('Is blade:', self.is_blade())
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print('Product Name:', self.get_product_name())
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print('Chassis:', self.get_chassis())
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print('Chassis service tag:', self.get_chassis_service_tag())
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print('Service tag:', self.get_service_tag())
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print('NIC:',)
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pprint(self.network.get_network_cards())
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pass
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