ae2ab6000a
Fixes some more typos as found by codespell run on the code. In this commit, there are more user-visible errors. Refs: https://github.com/scylladb/scylladb/issues/16255
126 lines
4.9 KiB
Python
Executable File
126 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright 2018-present ScyllaDB
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#
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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import os
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import sys
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import argparse
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import subprocess
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import re
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from scylla_util import *
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from subprocess import run
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def bool2str(val):
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return 'yes' if val else 'no'
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def str2bool(val):
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return True if val == 'yes' else False
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if __name__ == '__main__':
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if os.getuid() > 0:
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print('Requires root permission.')
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sys.exit(1)
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cfg = sysconfig_parser(sysconfdir_p() / 'scylla-server')
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set_nic_and_disks = str2bool(get_set_nic_and_disks_config_value(cfg))
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if cfg.has_option('SET_CLOCKSOURCE'):
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set_clocksource = str2bool(cfg.get('SET_CLOCKSOURCE'))
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else:
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set_clocksource = 'no'
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if cfg.has_option('DISABLE_WRITEBACK_CACHE'):
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disable_writeback_cache = str2bool(cfg.get('DISABLE_WRITEBACK_CACHE'))
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else:
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disable_writeback_cache = 'no'
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parser = argparse.ArgumentParser(description='Setting parameters on Scylla sysconfig file.')
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parser.add_argument('--nic',
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help='specify NIC')
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parser.add_argument('--mode',
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help='network mode (posix, dpdk)')
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parser.add_argument('--nr-hugepages', type=int,
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help='number of hugepages')
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parser.add_argument('--user',
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help='user (dpdk requires root)')
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parser.add_argument('--group',
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help='group (dpdk requires root)')
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parser.add_argument('--homedir',
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help='scylla home directory')
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parser.add_argument('--confdir',
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help='scylla config directory')
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parser.add_argument('--setup-nic-and-disks', action='store_true', default=set_nic_and_disks,
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help='setup NIC\'s and disks\' interrupts, RPS, XPS, nomerges and I/O scheduler')
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parser.add_argument('--set-clocksource', action='store_true', default=set_clocksource,
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help='Set enforcing fastest available Linux clocksource')
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parser.add_argument('--disable-writeback-cache', action='store_true', default=disable_writeback_cache,
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help='Disable disk writeback cache')
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args = parser.parse_args()
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if args.nic and not is_valid_nic(args.nic):
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print('NIC {} not found.'.format(args.nic))
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sys.exit(1)
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ifname = args.nic if args.nic else cfg.get('IFNAME')
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network_mode = args.mode if args.mode else cfg.get('NETWORK_MODE')
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if args.setup_nic_and_disks:
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res = out('{} --tune net --nic {} --get-cpu-mask'.format(perftune_base_command(), ifname))
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# we need to extract CPU mask from output, since perftune.py may also print warning messages (#10082)
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match = re.match('(.*\n)?(0x[0-9a-f]+(?:,0x[0-9a-f]+)*)', res, re.DOTALL)
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try:
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warning = match.group(1)
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rps_cpus = match.group(2)
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except:
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raise Exception(f'Failed to retrieve CPU mask: {res}')
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# print warning message if available
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if warning:
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print(warning.strip())
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if len(rps_cpus) > 0:
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cpuset = hex2list(rps_cpus)
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run('/opt/scylladb/scripts/scylla_cpuset_setup --cpuset {}'.format(cpuset), shell=True, check=True)
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ethdrv = ''
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ethpciid = ''
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if network_mode == 'dpdk':
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dpdk_status = out('/opt/scylladb/scripts/dpdk-devbind.py --status')
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match = re.search('if={} drv=(\S+)'.format(ifname), dpdk_status, flags=re.MULTILINE)
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ethdrv = match.group(1)
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match = re.search('^(\\S+:\\S+:\\S+\.\\S+) [^\n]+ if={} '.format(ifname), dpdk_status, flags=re.MULTILINE)
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ethpciid = match.group(1)
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if args.mode:
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cfg.set('NETWORK_MODE', args.mode)
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if args.nic:
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cfg.set('IFNAME', args.nic)
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if cfg.get('ETHDRV') != ethdrv:
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cfg.set('ETHDRV', ethdrv)
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if cfg.get('ETHPCIID') != ethpciid:
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cfg.set('ETHPCIID', ethpciid)
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if args.nr_hugepages:
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cfg.set('NR_HUGEPAGES', args.nr_hugepages)
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if args.user:
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cfg.set('USER', args.user)
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if args.group:
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cfg.set('GROUP', args.group)
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if args.homedir:
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cfg.set('SCYLLA_HOME', args.homedir)
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if args.confdir:
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cfg.set('SCYLLA_CONF', args.confdir)
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if str2bool(get_set_nic_and_disks_config_value(cfg)) != args.setup_nic_and_disks:
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if cfg.has_option('SET_NIC'):
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cfg.set('SET_NIC', bool2str(args.setup_nic_and_disks))
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else:
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cfg.set('SET_NIC_AND_DISKS', bool2str(args.setup_nic_and_disks))
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if cfg.has_option('SET_CLOCKSOURCE') and str2bool(cfg.get('SET_CLOCKSOURCE')) != args.set_clocksource:
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cfg.set('SET_CLOCKSOURCE', bool2str(args.set_clocksource))
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if cfg.has_option('DISABLE_WRITEBACK_CACHE') and str2bool(cfg.get('DISABLE_WRITEBACK_CACHE')) != args.disable_writeback_cache:
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cfg.set('DISABLE_WRITEBACK_CACHE', bool2str(args.disable_writeback_cache))
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cfg.commit()
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