Files
scylladb/dist/debian/scripts/scylla_fstrim
Takuya ASADA da75ce694a dist: migrate python2 scripts to python3
Now we can package python3 .py script on CentOS, no need to keep using
python2 so migrate them to python3.

Signed-off-by: Takuya ASADA <syuu@scylladb.com>
Message-Id: <1491402479-7703-1-git-send-email-syuu@scylladb.com>
2017-04-05 17:35:35 +03:00

55 lines
1.7 KiB
Python
Executable File

#!/usr/bin/python3
#
# Copyright 2017 ScyllaDB
#
#
# This file is part of Scylla.
#
# Scylla is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Scylla is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Scylla. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import yaml
import argparse
import subprocess
def find_mount_point(path):
path = os.path.abspath(path)
while not os.path.ismount(path):
path = os.path.dirname(path)
return path
def main():
parser = argparse.ArgumentParser(description='Run fstrim on Scylla data partitions.')
parser.add_argument('-c', '--config', dest='config', action='store',
default='/etc/scylla/scylla.yaml',
help='path to scylla.yaml')
args = parser.parse_args()
s = open(args.config).read()
cfg = yaml.load(s)
mountpoints = set()
for d in cfg['data_file_directories']:
mountpoints.add(find_mount_point(d))
mountpoints.add(find_mount_point(cfg['commitlog_directory']))
for d in mountpoints:
print("Running fstrim on {} ...".format(d))
res = subprocess.call(["fstrim", d])
if res != 0:
print("{} doesn't support TRIM.".format(d))
if __name__ == "__main__":
main()