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Jarrod Johnson
GitHub
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49b3ca7381
155
confluent_client/bin/nodeattrib
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155
confluent_client/bin/nodeattrib
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#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# 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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__author__ = 'alin37'
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import optparse
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import os
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import sys
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path = os.path.dirname(os.path.realpath(__file__))
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path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
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if path.startswith('/opt'):
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sys.path.append(path)
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import confluent.client as client
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def attrrequested(attr, attrlist, seenattributes):
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for candidate in attrlist:
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truename = candidate
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if candidate.startswith('hm'):
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candidate = candidate.replace('hm', 'hardwaremanagement', 1)
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if candidate == attr:
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seenattributes.add(truename)
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return True
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elif '.' not in candidate and attr.startswith(candidate + '.'):
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seenattributes.add(truename)
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return True
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return False
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argparser = optparse.OptionParser(
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usage='''\n %prog [options] noderange [list of attributes] \
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\n %prog [options] noderange attribute1=value1,attribute2=value,...
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\n ''')
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argparser.add_option('-b', '--blame', action='store_true',
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help='Show information about how attributes inherited')
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argparser.add_option('-c', '--clear', action='store_true',
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help='Clear variables')
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(options, args) = argparser.parse_args()
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showtype = 'current'
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requestargs=None
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try:
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noderange = args[0]
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nodelist = '/noderange/{0}/nodes/'.format(noderange)
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except IndexError:
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nodelist = '/nodes/'
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session = client.Command()
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exitcode = 0
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#Sets attributes
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if len(args) > 1:
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#clears attribute
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if options.clear:
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targpath = '/noderange/{0}/attributes/all'.format(noderange)
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keydata = {}
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for attrib in args[1:]:
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keydata[attrib] = None
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for res in session.update(targpath, keydata):
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if 'error' in res:
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if 'errorcode' in res:
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exitcode = res['errorcode']
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sys.stderr.write('Error: ' + res['error'] + '\n')
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sys.exit(exitcode)
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else:
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if args[1] == 'all':
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showtype = 'all'
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elif args[1] == 'current':
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showtype = 'current'
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elif "=" in args[1]:
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try:
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if len(args[1:]) > 1:
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for val in args[1:]:
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val = val.split('=')
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exitcode=session.simple_noderange_command(noderange, 'attributes/all'.format(noderange), val[1], val[0])
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else:
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val=args[1].split('=')
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exitcode=session.simple_noderange_command(noderange, 'attributes/all'.format(noderange),val[1],val[0])
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except:
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sys.stderr.write('Error: {0} not a valid expression\n'.format(str (args[1:])))
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exitcode = 1
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sys.exit(exitcode)
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else:
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requestargs = args[1:]
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# Lists all attributes
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if len(args) > 0:
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seenattributes = set([])
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for res in session.read('/noderange/{0}/attributes/{1}'.format(noderange,showtype)):
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if 'error' in res:
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print "found error"
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sys.stderr.write(res['error'] + '\n')
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exitcode = 1
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continue
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for node in res['databynode']:
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for attr in res['databynode'][node]:
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seenattributes.add(attr)
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currattr = res['databynode'][node][attr]
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if requestargs is None or attrrequested(attr, args[1:], seenattributes):
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if 'value' in currattr:
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if currattr['value'] is not None:
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attrout = '{0}: {1}: {2}'.format(
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node, attr, currattr['value'])
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else:
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attrout = '{0}: {1}:'.format(node, attr)
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elif 'isset' in currattr:
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if currattr['isset']:
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attrout = '{0}: {1}: ********'.format(node, attr)
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else:
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attrout = '{0}: {1}:'.format(node, attr)
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elif 'broken' in currattr:
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attrout = '{0}: {1}: *ERROR* BROKEN EXPRESSION: ' \
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'{2}'.format(node, attr,
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currattr['broken'])
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if options.blame or 'broken' in currattr:
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blamedata = []
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if 'inheritedfrom' in currattr:
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blamedata.append('inherited from group {0}'.format(
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currattr['inheritedfrom']
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))
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if 'expression' in currattr:
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blamedata.append(
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'derived from expression "{0}"'.format(
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currattr['expression']))
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if blamedata:
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attrout += ' (' + ', '.join(blamedata) + ')'
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print attrout
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if not exitcode:
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if requestargs:
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for attr in args[1:]:
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if attr not in seenattributes:
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sys.stderr.write('Error: {0} not a valid attribute\n'.format(attr))
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exitcode = 1
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else:
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for res in session.read(nodelist):
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if 'error' in res:
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sys.stderr.write(res['error'] + '\n')
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exitcode = 1
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else:
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print res['item']['href'].replace('/', '')
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sys.exit(exitcode)
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75
confluent_client/doc/man/nodeattrib.ronn
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75
confluent_client/doc/man/nodeattrib.ronn
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nodeattrib(1) -- List or change confluent nodes attributes
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=========================================================
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## SYNOPSIS
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`nodeattrib` `noderange` [ current | all ]
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`nodeattrib` `noderange` [-b] [<nodeattribute>...]
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`nodeattrib` `noderange` [<nodeattribute1=value1> <nodeattribute2=value2> ...]
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`nodeattrib` `noderange` [-c] [<nodeattribute1> <nodeattribute2=value2> ...]
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## DESCRIPTION
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**nodeattrib** queries the confluent server to get information about nodes. In
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the simplest form, it simply takes the given noderange(5) and lists the
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matching nodes, one line at a time.
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If a list of node attribute names are given, the value of those are also
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displayed. If `-b` is specified, it will also display information on
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how inherited and expression based attributes are defined. There is more
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information on node attributes in nodeattributes(5) man page.
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If `-c` is specified, this will set the nodeattribute to a null valid.
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This is different from setting the value to an empty string.
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## OPTIONS
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* `-b`, `--blame`:
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Annotate inherited and expression based attributes to show their base value.
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* `-c`, `--clear`:
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Clear given nodeattributes since '' is not the same as empty
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## EXAMPLES
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* Listing matching nodes of a simple noderange:
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`# nodeattrib n1-n2`
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`n1`: console.method: ipmi
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`n1`: hardwaremanagement.manager: 172.30.3.1
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`n2`: console.method: ipmi
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`n2`: hardwaremanagement.manager: 172.30.3.2
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* Getting an attribute of nodes matching a noderange:
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`# nodeattrib n1,n2 hardwaremanagement.manager`
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`n1: hardwaremanagement.manager: 172.30.3.1`
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`n2: hardwaremanagement.manager: 172.30.3.2`
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* Getting a group of attributes while determining what group defines them:
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`# nodeattrib n1,n2 hardwaremanagement --blame`
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`n1: hardwaremanagement.manager: 172.30.3.1`
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`n1: hardwaremanagement.method: ipmi (inherited from group everything)`
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`n1: hardwaremanagement.switch: r8e1`
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`n1: hardwaremanagement.switchport: 14`
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`n2: hardwaremanagement.manager: 172.30.3.2`
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`n2: hardwaremanagement.method: ipmi (inherited from group everything)`
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`n2: hardwaremanagement.switch: r8e1`
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`n2: hardwaremanagement.switchport: 2`
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* Listing matching nodes of a simple noderange that are set:
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`# nodeattrib n1-n2 current`
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`n1`: console.method: ipmi
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`n1`: hardwaremanagement.manager: 172.30.3.1
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`n2`: console.method: ipmi
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`n2`: hardwaremanagement.manager: 172.30.3.2
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* Change attribute on nodes of a simple noderange:
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`# nodeattrib n1-n2 console.method=serial`
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`n1`: console.method: serial
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`n1`: hardwaremanagement.manager: 172.30.3.1
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`n2`: console.method: serial
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`n2`: hardwaremanagement.manager: 172.30.3.2
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* Clear attribute on nodes of a simple noderange, if you want to retain the variable set the attribute to "":
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`# nodeattrib n1-n2 -c console.method`
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`# nodeattrib n1-n2 console.method`
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Error: console.logging not a valid attribute
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