mirror of
https://github.com/scylladb/scylladb.git
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64 lines
2.4 KiB
Python
Executable File
64 lines
2.4 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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# This file is part of Scylla.
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#
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# Scylla is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Scylla is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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import argparse
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from scylla_util import *
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from subprocess import run
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if __name__ == '__main__':
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if not is_ec2():
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sys.exit(0)
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parser = argparse.ArgumentParser(description='Verify EC2 configuration is optimized.')
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parser.add_argument('--nic', default='eth0',
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help='specify NIC')
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args = parser.parse_args()
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if not is_valid_nic(args.nic):
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print('NIC {} doesn\'t exist.'.format(args.nic))
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sys.exit(1)
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aws = aws_instance()
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instance_class = aws.instance_class()
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en = aws.get_en_interface_type()
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match = re.search(r'^driver: (\S+)$', run('ethtool -i {}'.format(args.nic), shell=True, check=True, capture_output=True, encoding='utf-8').stdout.strip(), flags=re.MULTILINE)
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driver = match.group(1)
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if not en:
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colorprint('{red}{instance_class} doesn\'t support enhanced networking!{nocolor}', instance_class=instance_class)
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print('''To enable enhanced networking, please use the instance type which supports it.
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More documentation available at:
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http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html#enabling_enhanced_networking''')
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sys.exit(1)
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elif not aws.is_vpc_enabled(args.nic):
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colorprint('{red}VPC is not enabled!{nocolor}')
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print('To enable enhanced networking, please enable VPC.')
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sys.exit(1)
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elif driver != en:
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colorprint('{red}Enhanced networking is disabled!{nocolor}')
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print('''More documentation available at:
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http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html''')
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sys.exit(1)
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colorprint('{green}This EC2 instance is optimized for Scylla.{nocolor}')
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