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5736c41daa
Some applications may want to source more information from systems to help identify things, particularly with partially preconfigured systems.
112 lines
4.3 KiB
Python
112 lines
4.3 KiB
Python
# Copyright 2017 Lenovo
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import codecs
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import confluent.discovery.handlers.bmc as bmchandler
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import pyghmi.exceptions as pygexc
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import pyghmi.ipmi.private.util as pygutil
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import confluent.util as util
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import struct
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class NodeHandler(bmchandler.NodeHandler):
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devname = 'IMM'
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@classmethod
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def adequate(cls, info):
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# We can sometimes receive a partially initialized SLP packet
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# This is not adequate for being satisfied
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return bool(info.get('attributes', {}))
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def scan(self):
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slpattrs = self.info.get('attributes', {})
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self.isdense = False
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try:
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ff = slpattrs.get('enclosure-form-factor', [''])[0]
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except IndexError:
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return
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wronguuid = slpattrs.get('node-uuid', [''])[0]
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if wronguuid:
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# we need to fix the first three portions of the uuid
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uuidprefix = wronguuid.split('-')[:3]
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uuidprefix = codecs.encode(struct.pack(
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'<IHH', *[int(x, 16) for x in uuidprefix]), 'hex')
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uuidprefix = util.stringify(uuidprefix)
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uuidprefix = uuidprefix[:8] + '-' + uuidprefix[8:12] + '-' + \
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uuidprefix[12:16]
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self.info['uuid'] = uuidprefix + '-' + '-'.join(
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wronguuid.split('-')[3:])
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self.info['uuid'] = self.info['uuid'].lower()
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room = slpattrs.get('room-id', [None])[0]
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if room:
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self.info['room'] = room
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rack = slpattrs.get('rack-id', [None])[0]
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if rack:
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self.info['rack'] = rack
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name = slpattrs.get('name', [None])[0]
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if name:
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self.info['hostname'] = name
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unumber = slpattrs.get('lowest-u', [None])[0]
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if unumber:
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self.info['u'] = unumber
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location = slpattrs.get('location', [None])[0]
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if location:
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self.info['location'] = location
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if ff not in ('dense-computing', 'BC2'):
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# do not probe unless it's a dense platform
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return
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self.isdense = True
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encuuid = slpattrs.get('chassis-uuid', [None])[0]
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if encuuid:
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self.info['enclosure.uuid'] = encuuid
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slot = int(slpattrs.get('slot', ['0'])[0])
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if slot != 0:
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self.info['enclosure.bay'] = slot
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def probe(self):
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if self.info.get('enclosure.bay', 0) == 0:
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self.scan()
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if self.info.get('enclosure.bay', 0) != 0:
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# scan has already populated info
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return
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ff = self.info.get('attributes', {}).get('enclosure-form-factor', '')
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if ff != 'dense-computing':
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return
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try:
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# we are a dense platform, but the SLP data did not give us slot
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# attempt to probe using IPMI
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ipmicmd = self._get_ipmicmd()
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guiddata = ipmicmd.xraw_command(netfn=6, command=8)
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self.info['uuid'] = pygutil.decode_wireformat_uuid(
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guiddata['data']).lower()
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ipmicmd.oem_init()
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bayid = ipmicmd._oem.immhandler.get_property(
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'/v2/cmm/sp/7')
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if not bayid:
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return
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self.info['enclosure.bay'] = int(bayid)
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smmid = ipmicmd._oem.immhandler.get_property(
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'/v2/ibmc/smm/chassis/uuid')
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if not smmid:
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return
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smmid = smmid.lower().replace(' ', '')
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smmid = '{0}-{1}-{2}-{3}-{4}'.format(smmid[:8], smmid[8:12],
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smmid[12:16], smmid[16:20],
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smmid[20:])
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self.info['enclosure.uuid'] = smmid
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self.info['enclosure.type'] = 'smm'
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except pygexc.IpmiException as ie:
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print(repr(ie))
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raise
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