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calculate-utils-3-client/pym/client/rsync.py

93 lines
3.5 KiB

# -*- coding: utf-8 -*-
# Copyright 2010-2016 Mir Calculate. http://www.calculate-linux.org
#
# 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 pexpect
import sys
import os
import tempfile
from calculate.lib.utils.ip import check_port
from calculate.lib.utils.files import readFile
class ProfileSyncerError(Exception):
pass
class ProfileSyncer():
def __init__(self, hostname, port, username, passwd):
self.hostname = hostname
self.port = port
self.username = username
self.passwd = passwd
self.exitstatus = None
def check(self):
return check_port(self.hostname, self.port)
def create_process(self, source, target, *params):
#подключение к домену и синхрозизация
self.process = pexpect.spawn('/usr/bin/rsync',
['--rsh=/usr/bin/ssh -o "ControlMaster no" -o "StrictHostKeyChecking no" -p{port} {username}@{hostname}'.format(
port=self.port, hostname=self.hostname, username=self.username),
'--info=progress2'] + list(params) + [source, target])
def readfile(self, filename):
tmp_fn = tempfile.mktemp()
for i in self.sync(filename, tmp_fn):
pass
if self.exitstatus == 0:
data = readFile(tmp_fn)
if os.path.exists(tmp_fn):
os.unlink(tmp_fn)
return data
raise ProfileSyncerError("Profile server not found")
def exists(self, filename):
env = dict(os.environ)
env["LANG"] = "C"
#подключение к домену и синхрозизация
self.process = pexpect.spawn('/usr/bin/rsync',
['--rsh=/usr/bin/ssh -o "ControlMaster no" -o "StrictHostKeyChecking no" -p{port} {username}@{hostname}'.format(
port=self.port, hostname=self.hostname, username=self.username),
'--list-only',
filename], env=env)
i = self.process.expect(['[Pp]assword', '(\d+)%', pexpect.EOF])
if i == 0:
self.process.sendline("{}\n".format(self.passwd))
self.process.wait()
data = self.process.read()
self.process.close()
return b"No such file or directory (2)" not in data
def sync(self, source, target, *params):
num = -1
self.create_process(source, target, *params)
while True:
i = self.process.expect(['[Pp]assword', '(\d+)%', pexpect.EOF])
if i == 0:
self.process.sendline("{}\n".format(self.passwd))
elif i == 1:
newnum = int(self.process.match.group(1))
if newnum > num:
num = newnum
yield newnum
else:
self.output = self.process.before
self.process.close()
existatus = self.process.exitstatus
#error 24 - "files vanished" is not fatal
self.exitstatus = existatus if existatus != 24 else 0
yield 100
break