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confluent/confluent_client/bin/nodediscover
2017-10-06 14:34:34 -04:00

270 lines
9.5 KiB
Python
Executable File

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2017 Lenovo
#
# 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.
import csv
import optparse
import os
import sys
path = os.path.dirname(os.path.realpath(__file__))
path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
if path.startswith('/opt'):
sys.path.append(path)
import confluent.client as client
tabformat = '{0:>15}|{1:>15}|{2:>15}|{3:>36}|{4:>17}|{5:>12}|{6:>48}'
columns = ['Node', 'Model', 'Serial', 'UUID', 'Mac Address', 'Type',
'Current IP Addresses']
delimit = ['-' * 15, '-' * 15, '-' * 15, '-' * 36, '-' * 17, '-' * 12,
'-' * 48]
def dumpmacs(procinfo):
return ','.join(procinfo['macs']) # + procinfo.get('relatedmacs', []))
def print_disco(options, session, currmac):
procinfo = {}
for tmpinfo in session.read('/discovery/by-mac/{0}'.format(currmac)):
procinfo.update(tmpinfo)
record = [procinfo['nodename'], procinfo['modelnumber'],
procinfo['serialnumber'], procinfo['uuid'], dumpmacs(procinfo),
','.join(procinfo['types']),
','.join(sorted(procinfo['ipaddrs']))]
if options.csv:
csv.writer(sys.stdout).writerow(record)
else:
print(tabformat.format(*record))
def process_header(header):
# normalize likely header titles
fields = []
broken = False
for datum in header:
datum = datum.lower()
if datum.startswith('node') or datum.startswith('name'):
fields.append('node')
elif datum in ('nodegroup', 'nodegroups', 'group', 'groups'):
fields.append('groups')
elif datum.startswith('mac') or datum.startswith('ether'):
fields.append('mac')
elif datum.startswith('serial') or datum in ('sn', 's/n'):
fields.append('serial')
elif datum == 'uuid':
fields.append('uuid')
elif datum in ('bmc', 'imm', 'xcc'):
fields.append('hardwaremanagement.manager')
elif datum in ('bmc gateway', 'xcc gateway', 'imm gateway'):
fields.append('net.bmc.gateway')
elif datum in ('bmcuser', 'username', 'user'):
fields.append('secret.hardwaremanagementuser')
elif datum in ('bmcpass', 'password', 'pass'):
fields.append('secret.hardwaremanagementpassword')
else:
print("Unrecognized column name {0}".format(datum))
broken = True
if broken:
sys.exit(1)
return tuple(fields)
def datum_complete(datum):
if 'node' not in datum or not datum['node']:
sys.stderr.write('Nodename is a required field')
return False
provided = set(datum)
required = set(['serial', 'uuid', 'mac'])
for field in provided & required:
if datum[field]:
break
else:
sys.stderr.write('One of the fields "Serial Number", "UUID", or '
'"MAC Address" must be provided')
return False
return True
searchkeys = set(['mac', 'serial', 'uuid'])
def search_record(datum, options, session):
for searchkey in searchkeys:
options.__dict__[searchkey] = None
for searchkey in searchkeys & set(datum):
options.__dict__[searchkey] = datum[searchkey]
return list(list_matching_macs(options, session))
def datum_to_attrib(datum):
for key in ('serial', 'uuid', 'mac'):
try:
del datum[key]
except KeyError:
pass
datum['name'] = datum['node']
del datum['node']
return datum
def import_csv(options, session):
nodedata = []
with open(options.importfile, 'r') as datasrc:
records = csv.reader(datasrc)
fields = process_header(next(records))
for record in records:
currfields = list(fields)
nodedatum = {}
for datum in record:
nodedatum[currfields.pop(0)] = datum
if not datum_complete(nodedatum):
sys.exit(1)
if not search_record(nodedatum, options, session):
sys.stderr.write(
"Could not match the following data: " +
repr(nodedatum) + '\n')
sys.exit(1)
nodedata.append(nodedatum)
for datum in nodedata:
maclist = search_record(datum, options, session)
datum = datum_to_attrib(datum)
nodename = datum['name']
for res in session.create('/nodes/', datum):
if 'error' in res:
sys.stderr.write(res['error'] + '\n')
continue
elif 'created' in res:
print('Defined ' + res['created'])
else:
print(repr(res))
for mac in maclist:
for res in session.update('/discovery/by-mac/{0}'.format(mac),
{'node': nodename}):
if 'error' in res:
sys.stderr.write(res['error'] + '\n')
continue
elif 'assigned' in res:
print('Discovered ' + res['assigned'])
else:
print(repr(res))
def list_discovery(options, session):
if options.csv:
csv.writer(sys.stdout).writerow(columns)
else:
print(tabformat.format(*columns))
print(tabformat.format(*delimit))
for mac in list_matching_macs(options, session):
print_disco(options, session, mac)
def list_matching_macs(options, session):
path = '/discovery/'
if options.model:
path += 'by-model/{0}/'.format(options.model)
if options.serial:
path += 'by-serial/{0}/'.format(options.serial)
if options.uuid:
path += 'by-uuid/{0}/'.format(options.uuid)
if options.type:
path += 'by-type/{0}/'.format(options.type)
if options.mac:
path += 'by-mac/{0}'.format(options.mac)
result = list(session.read(path))[0]
if 'error' in result:
return []
return [options.mac.replace(':', '-')]
else:
path += 'by-mac/'
return [x['item']['href'] for x in session.read(path)]
def assign_discovery(options, session):
abort = False
if options.importfile:
return import_csv(options, session)
if not (options.serial or options.uuid or options.mac):
sys.stderr.write(
"UUID (-u), serial (-s), or ether address (-e) required for "
"assignment\n")
abort = True
if not options.node:
sys.stderr.write("Node (-n) must be specified for assignment\n")
abort = True
if abort:
sys.exit(1)
matches = list_matching_macs(options, session)
if not matches:
sys.stderr.write("No matching discovery candidates found\n")
sys.exit(1)
for res in session.update('/discovery/by-mac/{0}'.format(matches[0]),
{'node': options.node}):
if 'assigned' in res:
print('Assigned: {0}'.format(res['assigned']))
else:
print(repr(res))
def main():
parser = optparse.OptionParser(
usage='Usage: %prog [list|assign|rescan] [options]')
# -a for 'address' maybe?
# order by
# show state (discovered or..
# nodediscover approve?
# flush to clear old data out? (e.g. no good way to age pxe data)
# also delete discovery datum... more targeted
# defect: -t lenovo-imm returns all
parser.add_option('-m', '--model', dest='model',
help='Operate with nodes matching the specified model '
'number', metavar='MODEL')
parser.add_option('-s', '--serial', dest='serial',
help='Operate against the system matching the specified '
'serial number', metavar='SERIAL')
parser.add_option('-u', '--uuid', dest='uuid',
help='Operate against the system matching the specified '
'UUID', metavar='UUID')
parser.add_option('-n', '--node', help='Operate with the given nodename')
parser.add_option('-e', '--ethaddr', dest='mac',
help='Operate against the system with the specified MAC '
'address', metavar='MAC')
parser.add_option('-t', '--type', dest='type',
help='Operate against the system of the specified type',
metavar='TYPE')
parser.add_option('-c', '--csv', dest='csv',
help='Use CSV formatted output', action='store_true')
parser.add_option('-i', '--import', dest='importfile',
help='Import bulk assignment data from given CSV file',
metavar='IMPORT.CSV')
(options, args) = parser.parse_args()
if len(args) == 0 or args[0] not in ('list', 'assign', 'rescan'):
parser.print_help()
sys.exit(1)
session = client.Command()
if args[0] == 'list':
list_discovery(options, session)
if args[0] == 'assign':
assign_discovery(options, session)
if args[0] == 'rescan':
session.update('/discovery/rescan', {'rescan': 'start'})
print("Rescan initiated")
if __name__ == '__main__':
main()