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confluent/confluent_client/bin/nodestorage
Jarrod Johnson ef68656bde Fix nodestorage handling of error
Error messages were not properly handled if specific nodes had issues.
Properly provide the error messages.

Additionally, clarify a common uselessly vague error.
2019-12-03 10:04:34 -05:00

238 lines
9.3 KiB
Python

#!/usr/bin/python2
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2018 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 optparse
import os
import signal
import sys
try:
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
except AttributeError:
pass
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
exitcode = 0
class OptParser(optparse.OptionParser):
def format_epilog(self, formatter):
return self.expand_prog_name(self.epilog)
def mbtohuman(mb):
if mb > 1000000:
return '{0:.3f} TB'.format(mb/1000000.0)
if mb > 1000:
return '{0:.3f} GB'.format(mb/1000.0)
return '{0:.3f} MB'.format(mb)
def showstorage(noderange, options, args):
global exitcode
session = client.Command()
disks = {}
arrays = {}
volumes = {}
scfg = session.read('/noderange/{0}/configuration/storage/all'.format(
noderange))
_print_cfg(scfg)
def _print_cfg(scfg):
global exitcode
storagebynode = {}
for e in scfg:
if 'error' in e:
sys.stderr.write(e['error'] + '\n')
exitcode = e.get('errorcode', 1)
for node in e.get('databynode', {}):
curr = e['databynode'][node]
if 'error' in curr:
if 'no available drives' in curr['error']:
curr['error'] += ' (drives must be in unconfigured state to be available, they must not be in jbod or online state)'
sys.stderr.write('{0}: {1}\n'.format(node, curr['error']))
exitcode = curr.get('errorcode', 1)
continue
if node not in storagebynode:
storagebynode[node] = {'disks': [], 'arrays': [],
'volumes': []}
storagebynode[node][curr['type'] + 's'].append(curr)
for node in storagebynode:
for disk in sorted(storagebynode[node]['disks'],
key=lambda x: x['name']):
print('{0}: Disk {1} Description: {2}'.format(
node, disk['name'], disk['description']))
print('{0}: Disk {1} State: {2}'.format(node, disk['name'],
disk['state']))
print('{0}: Disk {1} FRU: {2}'.format(node, disk['name'],
disk['fru']))
print('{0}: Disk {1} Serial Number: {2}'.format(node, disk['name'],
disk['serial']))
if disk['array']:
print('{0}: Disk {1} Array: {2}'.format(node, disk['name'],
disk['array']))
for arr in storagebynode[node]['arrays']:
print('{0}: Array {1} Available Capacity: {2}'.format(
node, arr['id'], mbtohuman(arr['available'])))
print('{0}: Array {1} Total Capacity: {2}'.format(
node, arr['id'], mbtohuman(arr['capacity'])))
print('{0}: Array {1} RAID: {2}'.format(node, arr['id'],
arr['raid']))
print('{0}: Array {1} Disks: {2}'.format(node, arr['id'], ','.join(
arr['disks'])))
print(
'{0}: Array {1} Volumes: {2}'.format(node, arr['id'], ','.join(
arr['volumes'])))
for vol in storagebynode[node]['volumes']:
print('{0}: Volume {1}: Size: {2}'.format(node, vol['name'],
mbtohuman(vol['size'])))
print('{0}: Volume {1}: State: {2}'.format(node, vol['name'],
vol['state']))
print('{0}: Volume {1}: Array {2}'.format(node, vol['name'],
vol['array']))
def createstorage(noderange, options, args):
if options.raidlevel is None or options.disks is None:
sys.stderr.write('-r and -d are required arguments to create array\n')
sys.exit(1)
session = client.Command()
session.stop_if_noderange_over(noderange, options.maxnodes)
names = options.name
if names is None:
names = ''.join(args)
parms = {'disks': options.disks, 'raidlevel': options.raidlevel,
'name': names}
if options.size:
parms['size'] = options.size
if options.stripsizes:
parms['stripsizes'] = options.stripsizes
_print_cfg(session.create(
'/noderange/{0}/configuration/storage/volumes/{1}'.format(
noderange, names), parms))
def deletestorage(noderange, options, args):
if options.name is None:
if len(args) == 1:
names = args[0]
else:
sys.stderr.write('-n is required to indicate volume(s) to delete\n')
sys.exit(1)
else:
names = options.name
session = client.Command()
session.stop_if_noderange_over(noderange, options.maxnodes)
for rsp in session.delete(
'/noderange/{0}/configuration/storage/volumes/{1}'.format(
noderange, names)):
if 'deleted' in rsp:
print('Deleted: {0}'.format(rsp['deleted']))
elif 'databynode' in rsp:
for node in rsp['databynode']:
if 'error' in rsp['databynode'][node]:
sys.stderr.write('{0}: {1}\n'.format(
node, rsp['databynode'][node]['error']))
else:
sys.stderr.write('{0}: {1}\n'.format(
node, repr(rsp['databynode'][node])))
else:
print(repr(rsp))
def setdisk(noderange, options, args):
if options.disks is None:
if len(args):
names = args.pop(0)
else:
sys.stderr.write('-d is required to indicate disk to modify\n')
sys.exit(1)
else:
names = options.disks
if not len(args) or args[0] not in ('hotspare', 'jbod', 'unconfigured'):
sys.stderr.write('diskset requires valid state as argument (hotspare, jbod, unconfigured)\n')
sys.exit(1)
session = client.Command()
session.stop_if_noderange_over(noderange, options.maxnodes)
scfg = session.update('/noderange/{0}/configuration/storage/disks/{1}'.format(noderange, names), {'state': args[0]})
_print_cfg(scfg)
funmap = {
'create': createstorage,
'show': showstorage,
'diskset': setdisk,
'delete': deletestorage,
'rm': deletestorage,
}
def main():
argparser = OptParser(
usage='Usage: %prog <noderange> [show|create|delete|diskset]',
epilog='',
)
argparser.add_option('-r', '--raidlevel', type='int',
help='RAID level to use when creating an array')
argparser.add_option('-d', '--disks', type='str',
help='Comma separated list of disks to use, or the '
'word "rest" to indicate use of all available '
'disks')
argparser.add_option('-s', '--size', type='str',
help='Comma separated list of sizes to use when '
'creating volumes. The sizes may be absolute '
'size (e.g. 16gb), percentage (10%) or the word '
'"rest" to use remaining capacity, default '
'behavior is to use all capacity to make a '
'volume')
argparser.add_option('-n', '--name', type='str',
help='Comma separated list of names to use when '
'naming volumes, or selecting a volume for '
'delete. Default behavior is to use '
'implementation provided default names.')
argparser.add_option('-z', '--stripsizes', type='str',
help='Comma separated list of stripsizes to use when creating volumes. '
'This value is in kilobytes. The default behavior is to allow the '
'storage controller to decide.')
argparser.add_option('-m', '--maxnodes', type='int',
help='Specify a maximum number of '
'nodes to configure storage on, '
'prompting if over the threshold')
(options, args) = argparser.parse_args()
if len(args) == 1:
args.append('show')
try:
noderange = args[0]
operation = args[1]
except IndexError:
argparser.print_help()
sys.exit(1)
client.check_globbing(noderange)
try:
handler = funmap[operation]
except KeyError:
argparser.print_help()
sys.exit(1)
handler(noderange, options, args[2:])
if __name__ == '__main__':
main()