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This commit is contained in:
hangjin2020
860
script/gspylib/threads/SshTool.py
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860
script/gspylib/threads/SshTool.py
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# -*- coding:utf-8 -*-
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#############################################################################
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# Copyright (c) 2020 Huawei Technologies Co.,Ltd.
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#
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# openGauss is licensed under Mulan PSL v2.
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# You can use this software according to the terms
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# and conditions of the Mulan PSL v2.
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# You may obtain a copy of Mulan PSL v2 at:
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#
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# http://license.coscl.org.cn/MulanPSL2
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#
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# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OF ANY KIND,
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# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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# See the Mulan PSL v2 for more details.
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# ----------------------------------------------------------------------------
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# Description : SshTool.py is utility to support ssh tools
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#############################################################################
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import subprocess
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import os
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import sys
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import datetime
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import weakref
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import getpass
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import time
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import re
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from random import sample
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sys.path.append(sys.path[0] + "/../../")
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from gspylib.common.ErrorCode import ErrorCode
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from gspylib.common.Common import DefaultValue
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from gspylib.os.gsfile import g_file
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from gspylib.common.GaussLog import GaussLog
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class SshTool():
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"""
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Class for controling multi-hosts
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"""
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def __init__(self, hostNames, logFile=None,
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timeout=DefaultValue.TIMEOUT_PSSH_COMMON, key=""):
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'''
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Constructor
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'''
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self.hostNames = hostNames
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self.__logFile = logFile
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self.__pid = os.getpid()
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self.__timeout = timeout + 30
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self._finalizer = weakref.finalize(self, self.clenSshResultFiles)
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currentTime = str(datetime.datetime.now()).replace(" ", "_").replace(
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".", "_")
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randomnum = ''.join(sample('0123456789', 3))
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# can tmp path always access?
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if key == "":
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self.__hostsFile = "/tmp/gauss_hosts_file_%d_%s_%s" % (
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self.__pid, currentTime, randomnum)
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self.__resultFile = "/tmp/gauss_result_%d_%s_%s.log" % (
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self.__pid, currentTime, randomnum)
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self.__outputPath = "/tmp/gauss_output_files_%d_%s_%s" % (
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self.__pid, currentTime, randomnum)
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self.__errorPath = "/tmp/gauss_error_files_%d_%s_%s" % (
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self.__pid, currentTime, randomnum)
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else:
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self.__hostsFile = "/tmp/gauss_hosts_file_%d_%s_%s_%s" % (
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self.__pid, key, currentTime, randomnum)
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self.__resultFile = "/tmp/gauss_result_%d_%s_%s_%s.log" % (
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self.__pid, key, currentTime, randomnum)
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self.__outputPath = "/tmp/gauss_output_files_%d_%s_%s_%s" % (
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self.__pid, key, currentTime, randomnum)
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self.__errorPath = "/tmp/gauss_error_files_%d_%s_%s_%s" % (
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self.__pid, key, currentTime, randomnum)
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self.__resultStatus = {}
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if logFile is None:
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self.__logFile = "/dev/null"
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# before using, clean the old ones
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g_file.removeFile(self.__hostsFile)
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g_file.removeFile(self.__resultFile)
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if os.path.exists(self.__outputPath):
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g_file.removeDirectory(self.__outputPath)
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if os.path.exists(self.__errorPath):
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g_file.removeDirectory(self.__errorPath)
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self.__writeHostFiles()
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def clenSshResultFiles(self):
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"""
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function: Delete file
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input : NA
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output: NA
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"""
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if os.path.exists(self.__hostsFile):
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g_file.removeFile(self.__hostsFile)
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if os.path.exists(self.__resultFile):
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g_file.removeFile(self.__resultFile)
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if os.path.exists(self.__outputPath):
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g_file.removeDirectory(self.__outputPath)
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if os.path.exists(self.__errorPath):
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g_file.removeDirectory(self.__errorPath)
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def __del__(self):
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"""
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function: Delete file
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input : NA
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output: NA
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"""
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self._finalizer()
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def exchangeHostnameSshKeys(self, user, pwd, mpprcFile=""):
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"""
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function: Exchange ssh public keys for specified user, using hostname
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input : user, pwd, mpprcFile
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output: NA
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"""
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if mpprcFile != "":
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exkeyCmd = "su - %s -c 'source %s&&mvxssh-exkeys -f %s -p" \
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" %s' 2>>%s" % (user, mpprcFile, self.__hostsFile,
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pwd, self.__logFile)
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else:
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exkeyCmd = "su - %s -c 'source /etc/profile&&mvxssh-exkeys -f" \
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" %s -p %s' 2>>%s" % (user, self.__hostsFile,
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pwd, self.__logFile)
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(status, output) = subprocess.getstatusoutput(exkeyCmd)
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if status != 0:
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raise Exception(ErrorCode.GAUSS_511["GAUSS_51112"] % user +
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"Error: \n%s" % output.replace(pwd, "******") +
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"\nYou can comment Cipher 3des."
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" Ciphers aes128-cbc and MACs in"
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" /etc/ssh/ssh_config and try again.")
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def exchangeIpSshKeys(self, user, pwd, ips, mpprcFile=""):
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"""
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function: Exchange ssh public keys for specified user,
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using ip address
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input : user, pwd, ips, mpprcFile
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output: NA
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"""
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if mpprcFile != "":
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exkeyCmd = "su - %s -c 'source %s&&mvxssh-exkeys " \
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% (user, mpprcFile)
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else:
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exkeyCmd = "su - %s -c 'source /etc/profile&&mvxssh-exkeys " \
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% user
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for ip in ips:
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exkeyCmd += " -h %s " % ip.strip()
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exkeyCmd += "-p %s' 2>>%s" % (pwd, self.__logFile)
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(status, output) = subprocess.getstatusoutput(exkeyCmd)
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if status != 0:
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raise Exception(ErrorCode.GAUSS_511["GAUSS_51112"]
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% user + "Error: \n%s"
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% output.replace(pwd, "******") +
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"\nYou can comment Cipher 3des, Ciphers"
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" aes128-cbc and MACs in /etc/ssh/ssh_config"
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" and try again.")
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def createTrust(self, user, pwd, ips=None, mpprcFile="",
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skipHostnameSet=False, preMode=False):
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"""
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function: create trust for specified user with both ip and hostname,
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when using N9000 tool create trust failed
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do not support using a normal user to create trust for
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another user.
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input : user, pwd, ips, mpprcFile, skipHostnameSet
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output: NA
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"""
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tmp_hosts = "/tmp/tmp_hosts_%d" % self.__pid
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cnt = 0
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status = 0
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output = ""
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if ips is None:
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ips = []
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try:
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g_file.removeFile(tmp_hosts)
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# 1.prepare hosts file
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for ip in ips:
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cmd = "echo %s >> %s 2>/dev/null" % (ip, tmp_hosts)
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(status, output) = subprocess.getstatusoutput(cmd)
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if status != 0:
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raise Exception(ErrorCode.GAUSS_502["GAUSS_50201"]
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% tmp_hosts + " Error:\n%s." % output
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+ "The cmd is %s" % cmd)
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g_file.changeMode(DefaultValue.KEY_HOSTS_FILE, tmp_hosts, False,
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"python")
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# 2.call createtrust script
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create_trust_file = "gs_sshexkey"
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if pwd is None or len(str(pwd)) == 0:
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GaussLog.printMessage("Please enter password for current"
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" user[%s]." % user)
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pwd = getpass.getpass()
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if (mpprcFile != "" and
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g_file.checkFilePermission(mpprcFile, True) and
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self.checkMpprcfile(user, mpprcFile)):
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cmd = "source %s; %s -f %s -l '%s'" % (
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mpprcFile, create_trust_file, tmp_hosts,
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self.__logFile)
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elif (mpprcFile == "" and g_file.checkFilePermission(
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'/etc/profile', True)):
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cmd = "source /etc/profile;" \
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" %s -f %s -l '%s'" % (create_trust_file,
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tmp_hosts, self.__logFile)
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if skipHostnameSet:
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cmd += " --skip-hostname-set"
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cmd += " 2>&1"
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tempcmd = ["su", "-", user, "-c"]
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tempcmd.append(cmd)
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cmd = tempcmd
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p = subprocess.Popen(cmd, stdin=subprocess.PIPE,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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if os.getuid() != 0:
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time.sleep(5)
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p.stdin.write((pwd+"\n").encode(encoding="utf-8"))
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time.sleep(10)
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p.stdin.write((pwd+"\n").encode(encoding="utf-8"))
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(output, err) = p.communicate()
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# 3.delete hosts file
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g_file.removeFile(tmp_hosts)
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if output is not None:
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output = str(output, encoding='utf-8')
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if re.search("\[GAUSS\-", output):
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if re.search("Please enter password", output):
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GaussLog.printMessage(
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ErrorCode.GAUSS_503["GAUSS_50306"] % user)
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else:
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GaussLog.printMessage(output.strip())
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sys.exit(1)
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else:
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GaussLog.printMessage(output.strip())
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else:
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sys.exit(1)
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except Exception as e:
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g_file.removeFile(tmp_hosts)
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raise Exception(str(e))
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def checkMpprcfile(self, username, filePath):
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"""
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function:
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check if given user has operation permission for Mpprcfile
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precondition:
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1.user should be exist---root/cluster user
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2.filePath should be an absolute path
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postcondition:
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1.return True or False
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input : username,filePath
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output: True/False
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"""
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ownerPath = os.path.split(filePath)[0]
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cmd = "su - %s -c 'cd %s'" % (username, ownerPath)
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(status, output) = subprocess.getstatusoutput(cmd)
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if status != 0:
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raise Exception(ErrorCode.GAUSS_500["GAUSS_50004"]
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% '-sep-env-file' + " Error:\n%s." % output
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+ "The cmd is %s" % cmd)
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return True
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def getUserOSProfile(self, env_file=""):
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"""
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function: get user os profile
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input : env_file
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output: mpprcFile, userProfile, osProfile
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"""
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if env_file != "":
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mpprcFile = env_file
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else:
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mpprcFile = DefaultValue.getEnv(DefaultValue.MPPRC_FILE_ENV)
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if mpprcFile != "" and mpprcFile is not None:
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userProfile = mpprcFile
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else:
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userProfile = "~/.bashrc"
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osProfile = "/etc/profile"
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return mpprcFile, userProfile, osProfile
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def getGPHOMEPath(self, osProfile):
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"""
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function: get GPHOME path
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input : osProfile
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output: output
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"""
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try:
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cmd = "source %s && echo $GPHOME" % osProfile
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(status, output) = subprocess.getstatusoutput(cmd)
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if status != 0 or not output or output.strip() == "":
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raise Exception(ErrorCode.GAUSS_518["GAUSS_51802"] % "GPHOME"
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+ "The cmd is %s" % cmd)
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return output.strip()
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except Exception as e:
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raise Exception(str(e))
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def parseSshResult(self, hostList=None):
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"""
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function: parse ssh result
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input : hostList
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output: resultMap, outputCollect
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"""
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try:
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if hostList is None:
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hostList = []
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outputCollect = ""
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prefix = ""
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resultMap = self.__readCmdResult(self.__resultFile, len(hostList))
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for host in hostList:
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sshOutPutFile = "%s/%s" % (self.__outputPath, host)
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sshErrorPutFile = "%s/%s" % (self.__errorPath, host)
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if resultMap[host] == DefaultValue.SUCCESS:
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prefix = "SUCCESS"
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else:
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prefix = "FAILURE"
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outputCollect += "[%s] %s:\n" % (prefix, str(host))
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if os.path.isfile(sshOutPutFile):
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context = ""
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with open(sshOutPutFile, "r") as fp:
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context = fp.read()
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outputCollect += context
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if os.path.isfile(sshErrorPutFile):
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context = ""
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with open(sshErrorPutFile, "r") as fp:
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context = fp.read()
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outputCollect += context
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except Exception as e:
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raise Exception(str(e))
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return resultMap, outputCollect
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def timeOutClean(self, cmd, psshpre, hostList=None, env_file="",
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parallel_num=300, signal=9):
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"""
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function: timeout clean
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"""
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if hostList is None:
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hostList = []
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pstree = "python3 %s -sc" % os.path.realpath(os.path.dirname(
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os.path.realpath(__file__)) + "/../../py_pstree.py")
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mpprcFile, userProfile, osProfile = self.getUserOSProfile(env_file)
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# kill the parent and child process. get all process by py_pstree.py
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timeOutCmd = "source %s && pidList=\`ps aux | grep \\\"%s\\\" |" \
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" grep -v 'grep' | awk '{print \$2}' | xargs \`; " \
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% (osProfile, cmd)
|
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timeOutCmd += "for pid in \$pidList; do %s \$pid | xargs -r -n 100" \
|
||||
" kill -%s; done" % (pstree, str(signal))
|
||||
if len(hostList) == 0:
|
||||
if os.getuid() == 0 and (mpprcFile == "" or not mpprcFile):
|
||||
sshCmd = "source %s && %s -t %s -h %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s; %s\" 2>&1 | tee %s" % \
|
||||
(
|
||||
osProfile, psshpre, self.__timeout,
|
||||
self.__hostsFile,
|
||||
parallel_num, self.__outputPath,
|
||||
self.__errorPath, osProfile, timeOutCmd,
|
||||
self.__resultFile)
|
||||
else:
|
||||
sshCmd = "source %s && %s -t %s -h %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s;source %s;%s\" 2>&1 | tee %s" % \
|
||||
(
|
||||
osProfile, psshpre, self.__timeout,
|
||||
self.__hostsFile,
|
||||
parallel_num, self.__outputPath,
|
||||
self.__errorPath, osProfile, userProfile,
|
||||
timeOutCmd,
|
||||
self.__resultFile)
|
||||
else:
|
||||
if os.getuid() == 0 and (mpprcFile == "" or not mpprcFile):
|
||||
sshCmd = "source %s && %s -t %s -H %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s; %s\" 2>&1 | tee %s" % \
|
||||
(osProfile, psshpre, self.__timeout,
|
||||
" -H ".join(hostList), parallel_num,
|
||||
self.__outputPath,
|
||||
self.__errorPath, osProfile, timeOutCmd,
|
||||
self.__resultFile)
|
||||
else:
|
||||
sshCmd = "source %s && %s -t %s -H %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s;source %s;%s\" 2>&1 | tee %s" % \
|
||||
(osProfile, psshpre, self.__timeout,
|
||||
" -H ".join(hostList), parallel_num,
|
||||
self.__outputPath,
|
||||
self.__errorPath, osProfile, userProfile,
|
||||
timeOutCmd, self.__resultFile)
|
||||
subprocess.getstatusoutput(sshCmd)
|
||||
|
||||
def executeCommand(self, cmd, descript, cmdReturn=DefaultValue.SUCCESS,
|
||||
hostList=None, env_file="", parallel_num=300,
|
||||
checkenv=False):
|
||||
"""
|
||||
function: Execute command on all hosts
|
||||
input : cmd, descript, cmdReturn, hostList, env_file, parallel_num
|
||||
output: NA
|
||||
"""
|
||||
sshCmd = ""
|
||||
localMode = False
|
||||
resultMap = {}
|
||||
outputCollect = ""
|
||||
isTimeOut = False
|
||||
if hostList is None:
|
||||
hostList = []
|
||||
try:
|
||||
mpprcFile, userProfile, osProfile = self.getUserOSProfile(
|
||||
env_file)
|
||||
GPHOME = self.getGPHOMEPath(osProfile)
|
||||
psshpre = "python3 %s/script/gspylib/pssh/bin/pssh" % GPHOME
|
||||
|
||||
# clean result file
|
||||
if os.path.exists(self.__resultFile):
|
||||
os.remove(self.__resultFile)
|
||||
|
||||
if len(hostList) == 0:
|
||||
if os.getuid() == 0 and (mpprcFile == "" or not mpprcFile):
|
||||
sshCmd = "source %s && %s -t %s -h %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s; %s\" 2>&1 | tee %s" \
|
||||
% (osProfile, psshpre, self.__timeout,
|
||||
self.__hostsFile, parallel_num,
|
||||
self.__outputPath, self.__errorPath,
|
||||
osProfile, cmd, self.__resultFile)
|
||||
else:
|
||||
sshCmd = "source %s && %s -t %s -h %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s;source %s;%s\" 2>&1 | tee %s" \
|
||||
% (osProfile, psshpre, self.__timeout,
|
||||
self.__hostsFile, parallel_num,
|
||||
self.__outputPath, self.__errorPath,
|
||||
osProfile, userProfile, cmd,
|
||||
self.__resultFile)
|
||||
hostList = self.hostNames
|
||||
else:
|
||||
if os.getuid() == 0 and (mpprcFile == "" or not mpprcFile):
|
||||
sshCmd = "source %s && %s -t %s -H %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s; %s\" 2>&1 | tee %s" \
|
||||
% (osProfile, psshpre, self.__timeout,
|
||||
" -H ".join(hostList), parallel_num,
|
||||
self.__outputPath, self.__errorPath,
|
||||
osProfile, cmd, self.__resultFile)
|
||||
else:
|
||||
sshCmd = "source %s && %s -t %s -H %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s;source %s;%s\" 2>&1 | tee %s" \
|
||||
% (osProfile, psshpre, self.__timeout,
|
||||
" -H ".join(hostList), parallel_num,
|
||||
self.__outputPath, self.__errorPath,
|
||||
osProfile, userProfile, cmd,
|
||||
self.__resultFile)
|
||||
|
||||
# single cluster or execute only in local node.
|
||||
if (len(hostList) == 1 and
|
||||
hostList[0] == DefaultValue.GetHostIpOrName()
|
||||
and cmd.find(" --lock-cluster ") < 0):
|
||||
localMode = True
|
||||
if os.getuid() == 0 and (mpprcFile == "" or not mpprcFile):
|
||||
sshCmd = "source %s ; %s 2>&1" % (osProfile, cmd)
|
||||
else:
|
||||
sshCmd = "source %s ; source %s; %s 2>&1" \
|
||||
% (osProfile, userProfile, cmd)
|
||||
|
||||
# if it is localMode, it means does not call pssh,
|
||||
# so there is no time out
|
||||
(status, output) = subprocess.getstatusoutput(sshCmd)
|
||||
# when the pssh is time out, kill parent and child process
|
||||
if not localMode:
|
||||
if output.find("Timed out, Killed by signal 9") > 0:
|
||||
self.timeOutClean(cmd, psshpre, hostList, env_file,
|
||||
parallel_num)
|
||||
isTimeOut = True
|
||||
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"]
|
||||
% sshCmd + " Error:\n%s" % output)
|
||||
if status != 0:
|
||||
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"]
|
||||
% sshCmd + " Error:\n%s" % output)
|
||||
|
||||
if localMode:
|
||||
resultMap[hostList[0]] = DefaultValue.SUCCESS if status == 0 \
|
||||
else DefaultValue.FAILURE
|
||||
outputCollect = "[%s] %s:\n%s" \
|
||||
% ("SUCCESS" if status == 0 else "FAILURE",
|
||||
hostList[0], output)
|
||||
else:
|
||||
# ip and host name should match here
|
||||
resultMap, outputCollect = self.parseSshResult(hostList)
|
||||
except Exception as e:
|
||||
if not isTimeOut:
|
||||
self.clenSshResultFiles()
|
||||
raise Exception(str(e))
|
||||
|
||||
for host in hostList:
|
||||
if resultMap.get(host) != cmdReturn:
|
||||
if outputCollect.find("GAUSS-5") == -1:
|
||||
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"]
|
||||
% cmd + " Result:%s.\nError:\n%s"
|
||||
% (resultMap, outputCollect))
|
||||
else:
|
||||
raise Exception(outputCollect)
|
||||
if checkenv:
|
||||
for res in output.split("\n"):
|
||||
if res.find("[SUCCESS]") >= 0:
|
||||
continue
|
||||
elif res == "":
|
||||
continue
|
||||
else:
|
||||
if mpprcFile != "" and mpprcFile is not None:
|
||||
envfile = mpprcFile + " and /etc/profile"
|
||||
else:
|
||||
envfile = "/etc/profile and ~/.bashrc"
|
||||
raise Exception(ErrorCode.GAUSS_518["GAUSS_51808"]
|
||||
% res + "Please check %s." % envfile)
|
||||
|
||||
def getSshStatusOutput(self, cmd, hostList=None, env_file="",
|
||||
gp_path="", parallel_num=300, ssh_config=""):
|
||||
"""
|
||||
function: Get command status and output
|
||||
input : cmd, hostList, env_file, gp_path, parallel_num
|
||||
output: resultMap, outputCollect
|
||||
"""
|
||||
sshCmd = ""
|
||||
localMode = False
|
||||
resultMap = {}
|
||||
outputCollect = ""
|
||||
isTimeOut = False
|
||||
need_replace_quotes = False
|
||||
|
||||
if hostList is None:
|
||||
hostList = []
|
||||
|
||||
if cmd.find("[need_replace_quotes]") != -1:
|
||||
cmd = cmd.replace("[need_replace_quotes]", "")
|
||||
need_replace_quotes = True
|
||||
fp = None
|
||||
|
||||
try:
|
||||
mpprcFile, userProfile, osProfile = self.getUserOSProfile(
|
||||
env_file)
|
||||
# clean result file
|
||||
if os.path.exists(self.__resultFile):
|
||||
os.remove(self.__resultFile)
|
||||
|
||||
if gp_path == "":
|
||||
GPHOME = self.getGPHOMEPath(osProfile)
|
||||
else:
|
||||
GPHOME = gp_path.strip()
|
||||
psshpre = "python3 %s/script/gspylib/pssh/bin/pssh" % GPHOME
|
||||
if ssh_config:
|
||||
if os.path.exists(ssh_config) and os.path.isfile(ssh_config):
|
||||
psshpre += ' -x "-F %s" ' % ssh_config
|
||||
|
||||
if len(hostList) == 0:
|
||||
if os.getuid() == 0 and (mpprcFile == "" or not mpprcFile):
|
||||
sshCmd = "source %s && %s -t %s -h %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s; %s\" 2>&1 | tee %s" \
|
||||
% (osProfile, psshpre, self.__timeout,
|
||||
self.__hostsFile, parallel_num,
|
||||
self.__outputPath, self.__errorPath,
|
||||
osProfile, cmd, self.__resultFile)
|
||||
else:
|
||||
sshCmd = "source %s && %s -t %s -h %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s;source %s;%s\" 2>&1 | tee %s" \
|
||||
% (osProfile, psshpre, self.__timeout,
|
||||
self.__hostsFile, parallel_num,
|
||||
self.__outputPath, self.__errorPath,
|
||||
osProfile, userProfile, cmd,
|
||||
self.__resultFile)
|
||||
hostList = self.hostNames
|
||||
else:
|
||||
if need_replace_quotes:
|
||||
remote_cmd = cmd.replace("\"", "\\\"")
|
||||
else:
|
||||
remote_cmd = cmd
|
||||
if os.getuid() == 0 and (mpprcFile == "" or not mpprcFile):
|
||||
sshCmd = "source %s && %s -t %s -H %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s; %s\" 2>&1 | tee %s" \
|
||||
% (osProfile, psshpre, self.__timeout,
|
||||
" -H ".join(hostList), parallel_num,
|
||||
self.__outputPath, self.__errorPath,
|
||||
osProfile, remote_cmd, self.__resultFile)
|
||||
else:
|
||||
sshCmd = "source %s && %s -t %s -H %s -P -p %s -o %s -e" \
|
||||
" %s \"source %s;source %s;%s\" 2>&1 | tee %s" \
|
||||
% (osProfile, psshpre, self.__timeout,
|
||||
" -H ".join(hostList), parallel_num,
|
||||
self.__outputPath, self.__errorPath,
|
||||
osProfile, userProfile, remote_cmd,
|
||||
self.__resultFile)
|
||||
|
||||
# single cluster or execute only in local node.
|
||||
if (len(hostList) == 1 and
|
||||
hostList[0] == DefaultValue.GetHostIpOrName()):
|
||||
localMode = True
|
||||
if os.getuid() == 0 and (mpprcFile == "" or not mpprcFile):
|
||||
sshCmd = "source %s ; %s 2>&1" % (osProfile, cmd)
|
||||
else:
|
||||
sshCmd = "source %s ; source %s; %s 2>&1" % (osProfile,
|
||||
userProfile,
|
||||
cmd)
|
||||
|
||||
(status, output) = subprocess.getstatusoutput(sshCmd)
|
||||
# when the pssh is time out, kill parent and child process
|
||||
if not localMode:
|
||||
if output.find("Timed out, Killed by signal 9") > 0:
|
||||
isTimeOut = True
|
||||
self.timeOutClean(cmd, psshpre, hostList, env_file,
|
||||
parallel_num)
|
||||
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"]
|
||||
% sshCmd + " Error:\n%s" % output)
|
||||
if status != 0:
|
||||
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"]
|
||||
% sshCmd + " Error:\n%s" % output)
|
||||
|
||||
if localMode:
|
||||
dir_permission = 0o700
|
||||
if status == 0:
|
||||
resultMap[hostList[0]] = DefaultValue.SUCCESS
|
||||
outputCollect = "[%s] %s:\n%s" % ("SUCCESS", hostList[0],
|
||||
output)
|
||||
|
||||
if not os.path.exists(self.__outputPath):
|
||||
os.makedirs(self.__outputPath, mode=dir_permission)
|
||||
file_path = os.path.join(self.__outputPath, hostList[0])
|
||||
g_file.createFileInSafeMode(file_path)
|
||||
with open(file_path, "w") as fp:
|
||||
fp.write(output)
|
||||
fp.flush()
|
||||
fp.close()
|
||||
else:
|
||||
resultMap[hostList[0]] = DefaultValue.FAILURE
|
||||
outputCollect = "[%s] %s:\n%s" % ("FAILURE", hostList[0],
|
||||
output)
|
||||
|
||||
if not os.path.exists(self.__errorPath):
|
||||
os.makedirs(self.__errorPath, mode=dir_permission)
|
||||
file_path = os.path.join(self.__errorPath, hostList[0])
|
||||
g_file.createFileInSafeMode(file_path)
|
||||
with open(file_path, "w") as fp:
|
||||
fp.write(output)
|
||||
fp.flush()
|
||||
fp.close()
|
||||
else:
|
||||
resultMap, outputCollect = self.parseSshResult(hostList)
|
||||
except Exception as e:
|
||||
if fp:
|
||||
fp.close()
|
||||
if not isTimeOut:
|
||||
self.clenSshResultFiles()
|
||||
raise Exception(str(e))
|
||||
|
||||
for host in hostList:
|
||||
if resultMap.get(host) != DefaultValue.SUCCESS:
|
||||
if outputCollect.find("GAUSS-5") == -1:
|
||||
outputCollect = ErrorCode.GAUSS_514["GAUSS_51400"] \
|
||||
% cmd + " Error:\n%s." % outputCollect
|
||||
break
|
||||
|
||||
return resultMap, outputCollect
|
||||
|
||||
def parseSshOutput(self, hostList):
|
||||
"""
|
||||
function:
|
||||
parse ssh output on every host
|
||||
input:
|
||||
hostList: the hostname list of all hosts
|
||||
output:
|
||||
a dict, like this "hostname : info of this host"
|
||||
hiden info:
|
||||
the output info of all hosts
|
||||
ppp:
|
||||
for a host in hostList
|
||||
if outputfile exists
|
||||
open file with the same name
|
||||
read context into a str
|
||||
close file
|
||||
save info of this host
|
||||
else
|
||||
raise exception
|
||||
return host info list
|
||||
"""
|
||||
resultMap = {}
|
||||
try:
|
||||
for host in hostList:
|
||||
context = ""
|
||||
sshOutPutFile = "%s/%s" % (self.__outputPath, host)
|
||||
sshErrorPutFile = "%s/%s" % (self.__errorPath, host)
|
||||
|
||||
if os.path.isfile(sshOutPutFile):
|
||||
with open(sshOutPutFile, "r") as fp:
|
||||
context = fp.read()
|
||||
resultMap[host] = context
|
||||
if os.path.isfile(sshErrorPutFile):
|
||||
with open(sshErrorPutFile, "r") as fp:
|
||||
context += fp.read()
|
||||
resultMap[host] = context
|
||||
if (not os.path.isfile(sshOutPutFile) and
|
||||
not os.path.isfile(sshErrorPutFile)):
|
||||
raise Exception(ErrorCode.GAUSS_502["GAUSS_50201"]
|
||||
% "%s or %s"
|
||||
% (sshOutPutFile, sshErrorPutFile))
|
||||
except Exception as e:
|
||||
raise Exception(str(e))
|
||||
|
||||
return resultMap
|
||||
|
||||
def scpFiles(self, srcFile, targetDir, hostList=None, env_file="",
|
||||
gp_path="", parallel_num=300):
|
||||
"""
|
||||
function: copy files to other path
|
||||
input : srcFile, targetDir, hostList, env_file, gp_path, parallel_num
|
||||
output: NA
|
||||
"""
|
||||
scpCmd = "source /etc/profile"
|
||||
outputCollect = ""
|
||||
if hostList is None:
|
||||
hostList = []
|
||||
try:
|
||||
if env_file != "":
|
||||
mpprcFile = env_file
|
||||
else:
|
||||
mpprcFile = DefaultValue.getEnv(DefaultValue.MPPRC_FILE_ENV)
|
||||
if mpprcFile != "" and mpprcFile is not None:
|
||||
scpCmd += " && source %s" % mpprcFile
|
||||
|
||||
if gp_path == "":
|
||||
cmdpre = "%s && echo $GPHOME" % scpCmd
|
||||
(status, output) = subprocess.getstatusoutput(cmdpre)
|
||||
if status != 0 or not output or output.strip() == "":
|
||||
raise Exception(ErrorCode.GAUSS_518["GAUSS_51802"]
|
||||
% "GPHOME" + "The cmd is %s" % cmdpre)
|
||||
GPHOME = output.strip()
|
||||
else:
|
||||
GPHOME = gp_path.strip()
|
||||
pscppre = "python3 %s/script/gspylib/pssh/bin/pscp" % GPHOME
|
||||
|
||||
if len(hostList) == 0:
|
||||
scpCmd += " && %s -r -v -t %s -p %s -h %s -o %s -e %s %s %s" \
|
||||
" 2>&1 | tee %s" % (pscppre, self.__timeout,
|
||||
parallel_num, self.__hostsFile,
|
||||
self.__outputPath,
|
||||
self.__errorPath, srcFile,
|
||||
targetDir, self.__resultFile)
|
||||
hostList = self.hostNames
|
||||
else:
|
||||
scpCmd += " && %s -r -v -t %s -p %s -H %s -o %s -e %s %s %s" \
|
||||
" 2>&1 | tee %s" % (pscppre, self.__timeout,
|
||||
parallel_num,
|
||||
" -H ".join(hostList),
|
||||
self.__outputPath,
|
||||
self.__errorPath, srcFile,
|
||||
targetDir, self.__resultFile)
|
||||
(status, output) = subprocess.getstatusoutput(scpCmd)
|
||||
if status != 0:
|
||||
raise Exception(ErrorCode.GAUSS_502["GAUSS_50216"]
|
||||
% ("file [%s]" % srcFile) +
|
||||
" To directory: %s."
|
||||
% targetDir + " Error:\n%s" % output)
|
||||
if output.find("Timed out") > 0:
|
||||
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"] % scpCmd
|
||||
+ " Error:\n%s" % output)
|
||||
|
||||
# ip and host name should match here
|
||||
resultMap, outputCollect = self.parseSshResult(hostList)
|
||||
except Exception as e:
|
||||
self.clenSshResultFiles()
|
||||
raise Exception(str(e))
|
||||
|
||||
for host in hostList:
|
||||
if resultMap.get(host) != DefaultValue.SUCCESS:
|
||||
raise Exception(ErrorCode.GAUSS_502["GAUSS_50216"]
|
||||
% ("file [%s]" % srcFile) +
|
||||
" To directory: %s." % targetDir +
|
||||
" Command: %s.\nError:\n%s" % (scpCmd,
|
||||
outputCollect))
|
||||
|
||||
def checkRemoteFileExist(self, node, fileAbsPath, mpprcFile):
|
||||
"""
|
||||
check remote node exist file
|
||||
this method depend on directory permisstion 'x'
|
||||
if exist return true,else retrun false
|
||||
"""
|
||||
sshcmd = "if [ -e '%s' ];then echo 'exist tar file yes flag';" \
|
||||
"else echo 'exist tar file no flag';fi" % fileAbsPath
|
||||
if node != DefaultValue.GetHostIpOrName():
|
||||
outputCollect = self.getSshStatusOutput(sshcmd,
|
||||
[node],
|
||||
mpprcFile)[1]
|
||||
else:
|
||||
outputCollect = subprocess.getstatusoutput(sshcmd)[1]
|
||||
if 'exist tar file yes flag' in outputCollect:
|
||||
return True
|
||||
elif 'exist tar file no flag' in outputCollect:
|
||||
return False
|
||||
else:
|
||||
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"] % sshcmd
|
||||
+ "On node %s" % node)
|
||||
|
||||
def __writeHostFiles(self):
|
||||
"""
|
||||
function: Write all hostname to a file
|
||||
input : NA
|
||||
output: NA
|
||||
"""
|
||||
try:
|
||||
g_file.createFileInSafeMode(self.__hostsFile)
|
||||
with open(self.__hostsFile, "w") as fp:
|
||||
for host in self.hostNames:
|
||||
fp.write("%s\n" % host)
|
||||
fp.flush()
|
||||
subprocess.getstatusoutput("chmod %s '%s'"
|
||||
% (DefaultValue.FILE_MODE,
|
||||
self.__hostsFile))
|
||||
except Exception as e:
|
||||
g_file.removeFile(self.__hostsFile)
|
||||
raise Exception(ErrorCode.GAUSS_502["GAUSS_50205"] % "host file"
|
||||
+ " Error: \n%s" % str(e))
|
||||
|
||||
# change the mode
|
||||
# if it created by root user,and permission is 640, then
|
||||
# install user will have no permission to read it, so we should set
|
||||
# its permission 644.
|
||||
g_file.changeMode(DefaultValue.KEY_HOSTS_FILE, self.__hostsFile, False,
|
||||
"python")
|
||||
|
||||
def __readCmdResult(self, resultFile, hostNum):
|
||||
"""
|
||||
function: Read command result
|
||||
input : resultFile, hostNum, cmd
|
||||
output: resultMap
|
||||
"""
|
||||
resultMap = {}
|
||||
try:
|
||||
with open(resultFile, "r") as fp:
|
||||
lines = fp.readlines()
|
||||
context = "".join(lines)
|
||||
for line in lines:
|
||||
resultPair = line.strip().split(" ")
|
||||
if len(resultPair) >= 4 and resultPair[2] == "[FAILURE]":
|
||||
resultMap[resultPair[3]] = "Failure"
|
||||
if len(resultPair) >= 4 and resultPair[2] == "[SUCCESS]":
|
||||
resultMap[resultPair[3]] = "Success"
|
||||
|
||||
if len(resultMap) != hostNum:
|
||||
raise Exception(ErrorCode.GAUSS_516["GAUSS_51637"]
|
||||
% ("valid return item number [%d]"
|
||||
% len(resultMap), "host number[%d]"
|
||||
% hostNum) + " The return result:\n%s."
|
||||
% context)
|
||||
except Exception as e:
|
||||
raise Exception(str(e))
|
||||
|
||||
return resultMap
|
||||
|
||||
def setTimeOut(self, timeout):
|
||||
"""
|
||||
function: Set a new timeout value for ssh tool.
|
||||
:param timeout: The new timeout value in seconds.
|
||||
:return: void
|
||||
"""
|
||||
self.__timeout = timeout
|
||||
0
script/gspylib/threads/__init__.py
Normal file
0
script/gspylib/threads/__init__.py
Normal file
95
script/gspylib/threads/parallelTool.py
Normal file
95
script/gspylib/threads/parallelTool.py
Normal file
@ -0,0 +1,95 @@
|
||||
# -*- coding:utf-8 -*-
|
||||
#############################################################################
|
||||
# Copyright (c) 2020 Huawei Technologies Co.,Ltd.
|
||||
#
|
||||
# openGauss is licensed under Mulan PSL v2.
|
||||
# You can use this software according to the terms
|
||||
# and conditions of the Mulan PSL v2.
|
||||
# You may obtain a copy of Mulan PSL v2 at:
|
||||
#
|
||||
# http://license.coscl.org.cn/MulanPSL2
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OF ANY KIND,
|
||||
# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
# See the Mulan PSL v2 for more details.
|
||||
# ----------------------------------------------------------------------------
|
||||
# Description : ThreadPool.py is utility to support parallel control by
|
||||
# multiprocess
|
||||
#############################################################################
|
||||
import threading
|
||||
import multiprocessing
|
||||
import subprocess
|
||||
import sys
|
||||
|
||||
from multiprocessing.dummy import Pool as ThreadPool
|
||||
|
||||
|
||||
class parallelTool:
|
||||
'''
|
||||
Class for multi-parallel controling one-hosts
|
||||
'''
|
||||
DEFAULT_PARALLEL_NUM = 12
|
||||
|
||||
def __init__(self):
|
||||
'''
|
||||
Constructor
|
||||
'''
|
||||
|
||||
@staticmethod
|
||||
def getCpuCount(parallelJobs=0):
|
||||
"""
|
||||
function: get cpu set of current board
|
||||
cat /proc/cpuinfo |grep processor
|
||||
input: parallelJobs
|
||||
output: cpuSet
|
||||
"""
|
||||
if (parallelJobs != 0):
|
||||
return parallelJobs
|
||||
# do this function to get the parallel number
|
||||
cpuSet = multiprocessing.cpu_count()
|
||||
if (cpuSet > 1):
|
||||
return cpuSet
|
||||
else:
|
||||
return parallelTool.DEFAULT_PARALLEL_NUM
|
||||
|
||||
@staticmethod
|
||||
def parallelExecute(func, paraList, parallelJobs=0):
|
||||
"""
|
||||
function: Execution of python functions through multiple processes
|
||||
input: func, list, parallelJobs
|
||||
output: list
|
||||
"""
|
||||
jobs = parallelTool.getCpuCount(parallelJobs)
|
||||
if (jobs > len(paraList)):
|
||||
jobs = len(paraList)
|
||||
pool = ThreadPool(jobs)
|
||||
results = pool.map(func, paraList)
|
||||
pool.close()
|
||||
pool.join()
|
||||
return results
|
||||
|
||||
|
||||
class CommandThread(threading.Thread):
|
||||
"""
|
||||
The class is used to execute command in thread
|
||||
"""
|
||||
|
||||
def __init__(self, cmd):
|
||||
'''
|
||||
Constructor
|
||||
'''
|
||||
threading.Thread.__init__(self)
|
||||
self.command = cmd
|
||||
self.cmdStauts = 0
|
||||
self.cmdOutput = ""
|
||||
|
||||
def run(self):
|
||||
"""
|
||||
function: Run command
|
||||
input : NA
|
||||
output: NA
|
||||
"""
|
||||
(self.cmdStauts, self.cmdOutput) = subprocess.getstatusoutput(
|
||||
self.command)
|
||||
Reference in New Issue
Block a user