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#!/usr/bin/python2
# -*- coding: utf-8 -*-
# Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com/>
# This file is part of GlusterFS.
#
# This file is licensed to you under your choice of the GNU Lesser
# General Public License, version 3 or any later version (LGPLv3 or
# later), or the GNU General Public License, version 2 (GPLv2), in all
# cases as published by the Free Software Foundation.
import shutil
import sys
import os
import logging
from argparse import ArgumentParser, RawDescriptionHelpFormatter
try:
import urllib.parse as urllib
except ImportError:
import urllib
from errno import ENOTEMPTY
from utils import setup_logger, mkdirp, handle_rm_error
import conf
logger = logging.getLogger()
def mode_cleanup(args):
working_dir = os.path.join(conf.get_opt("working_dir"),
args.session,
args.volume,
args.tmpfilename)
mkdirp(os.path.join(conf.get_opt("log_dir"), args.session, args.volume),
exit_on_err=True)
log_file = os.path.join(conf.get_opt("log_dir"),
args.session,
args.volume,
"changelog.log")
setup_logger(logger, log_file)
try:
shutil.rmtree(working_dir, onerror=handle_rm_error)
except (OSError, IOError) as e:
logger.error("Failed to delete working directory: %s" % e)
sys.exit(1)
def mode_create(args):
session_dir = os.path.join(conf.get_opt("session_dir"),
args.session)
status_file = os.path.join(session_dir, args.volume,
"%s.status" % urllib.quote_plus(args.brick))
mkdirp(os.path.join(session_dir, args.volume), exit_on_err=True,
logger=logger)
if not os.path.exists(status_file) or args.reset_session_time:
with open(status_file, "w", buffering=0) as f:
f.write(args.time_to_update)
sys.exit(0)
def mode_post(args):
session_dir = os.path.join(conf.get_opt("session_dir"), args.session)
status_file = os.path.join(session_dir, args.volume,
"%s.status" % urllib.quote_plus(args.brick))
mkdirp(os.path.join(session_dir, args.volume), exit_on_err=True,
logger=logger)
status_file_pre = status_file + ".pre"
if os.path.exists(status_file_pre):
os.rename(status_file_pre, status_file)
sys.exit(0)
def mode_delete(args):
session_dir = os.path.join(conf.get_opt("session_dir"),
args.session)
shutil.rmtree(os.path.join(session_dir, args.volume),
onerror=handle_rm_error)
# If the session contains only this volume, then cleanup the
# session directory. If a session contains multiple volumes
# then os.rmdir will fail with ENOTEMPTY
try:
os.rmdir(session_dir)
except OSError as e:
if not e.errno == ENOTEMPTY:
logger.warn("Failed to delete session directory: %s" % e)
def _get_args():
parser = ArgumentParser(formatter_class=RawDescriptionHelpFormatter,
description="Node Agent")
subparsers = parser.add_subparsers(dest="mode")
parser_cleanup = subparsers.add_parser('cleanup')
parser_cleanup.add_argument("session", help="Session Name")
parser_cleanup.add_argument("volume", help="Volume Name")
parser_cleanup.add_argument("tmpfilename", help="Temporary File Name")
parser_cleanup.add_argument("--debug", help="Debug", action="store_true")
parser_session_create = subparsers.add_parser('create')
parser_session_create.add_argument("session", help="Session Name")
parser_session_create.add_argument("volume", help="Volume Name")
parser_session_create.add_argument("brick", help="Brick Path")
parser_session_create.add_argument("time_to_update", help="Time to Update")
parser_session_create.add_argument("--reset-session-time",
help="Reset Session Time",
action="store_true")
parser_session_create.add_argument("--debug", help="Debug",
action="store_true")
parser_post = subparsers.add_parser('post')
parser_post.add_argument("session", help="Session Name")
parser_post.add_argument("volume", help="Volume Name")
parser_post.add_argument("brick", help="Brick Path")
parser_post.add_argument("--debug", help="Debug",
action="store_true")
parser_delete = subparsers.add_parser('delete')
parser_delete.add_argument("session", help="Session Name")
parser_delete.add_argument("volume", help="Volume Name")
parser_delete.add_argument("--debug", help="Debug",
action="store_true")
return parser.parse_args()
if __name__ == "__main__":
args = _get_args()
# globals() will have all the functions already defined.
# mode_<args.mode> will be the function name to be called
globals()["mode_" + args.mode](args)
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