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In various scenarios, too many macs on a port can be a sign of trouble. For example, a chained SMM configuration with head on switch port, or incorrectly pointing a nodes net attributes at a switch uplink port, or defining SMMs without any nodes, causing XCCs to think they are rackmount. This sets some sanity value for avoiding problems. This is of course a mitigation, invalid scenarios could still run afoul of the limits, but it should catch a large chunk of offending scenarios.
56 lines
2.1 KiB
Python
56 lines
2.1 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 confluent.discovery.handlers.bmc as bmchandler
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import struct
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def fixuuid(baduuid):
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# SMM dumps it out in hex
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uuidprefix = (baduuid[:8], baduuid[8:12], baduuid[12:16])
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a = struct.pack('<IHH', *[int(x, 16) for x in uuidprefix]).encode(
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'hex')
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uuid = (a[:8], a[8:12], a[12:16], baduuid[16:20], baduuid[20:])
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return '-'.join(uuid).lower()
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class NodeHandler(bmchandler.NodeHandler):
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is_enclosure = True
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devname = 'SMM'
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maxmacs = 5 # support an enclosure, but try to avoid catching daisy chain
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def scan(self):
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# the UUID is in a weird order, fix it up to match
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# ipmi return and property value
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uuid = self.info.get('attributes', {}).get('uuid', None)
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if uuid:
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uuid = fixuuid(uuid[0])
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self.info['uuid'] = uuid
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def config(self, nodename):
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# SMM for now has to reset to assure configuration applies
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super(NodeHandler, self).config(nodename)
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# notes for smm:
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# POST to:
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# https://172.30.254.160/data/changepwd
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# oripwd=PASSW0RD&newpwd=Passw0rd!4321
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# got response:
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# <?xml version="1.0" encoding="UTF-8"?><root><statusCode>0-ChangePwd</statusCode><fowardUrl>login.html</fowardUrl><status>ok</status></root>
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# requires relogin
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# https://172.30.254.160/index.html
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# post to:
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# https://172.30.254.160/data/login
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# with body user=USERID&password=Passw0rd!4321
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# yields:
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# <?xml version="1.0" encoding="UTF-8"?><root> <status>ok</status> <authResult>0</authResult> <forwardUrl>index.html</forwardUrl> </root>
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# note forwardUrl, if password change needed, will indicate something else |