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mdserver-web/scripts/backup.py

283 lines
10 KiB

# coding: utf-8
#-----------------------------
# 网站备份工具
#-----------------------------
import sys
import os
import re
if sys.platform != 'darwin':
os.chdir('/www/server/mdserver-web')
chdir = os.getcwd()
sys.path.append(chdir + '/class/core')
# reload(sys)
# sys.setdefaultencoding('utf-8')
import mw
import db
import time
class backupTools:
def backupSite(self, name, count):
sql = db.Sql()
path = sql.table('sites').where('name=?', (name,)).getField('path')
startTime = time.time()
if not path:
endDate = time.strftime('%Y/%m/%d %X', time.localtime())
log = "网站[" + name + "]不存在!"
print("★[" + endDate + "] " + log)
print(
"----------------------------------------------------------------------------")
return
backup_path = mw.getBackupDir() + '/site'
if not os.path.exists(backup_path):
mw.execShell("mkdir -p " + backup_path)
filename = backup_path + "/web_" + name + "_" + \
time.strftime('%Y%m%d_%H%M%S', time.localtime()) + '.tar.gz'
cmd = "cd " + os.path.dirname(path) + " && tar zcvf '" + \
filename + "' '" + os.path.basename(path) + "' > /dev/null"
# print(cmd)
mw.execShell(cmd)
endDate = time.strftime('%Y/%m/%d %X', time.localtime())
print(filename)
if not os.path.exists(filename):
log = "网站[" + name + "]备份失败!"
print("★[" + endDate + "] " + log)
print(
"----------------------------------------------------------------------------")
return
outTime = time.time() - startTime
pid = sql.table('sites').where('name=?', (name,)).getField('id')
sql.table('backup').add('type,name,pid,filename,addtime,size', ('0', os.path.basename(
filename), pid, filename, endDate, os.path.getsize(filename)))
log = "网站[" + name + "]备份成功,用时[" + str(round(outTime, 2)) + "]秒"
mw.writeLog('计划任务', log)
print("★[" + endDate + "] " + log)
print("|---保留最新的[" + count + "]份备份")
print("|---文件名:" + filename)
# 清理多余备份
backups = sql.table('backup').where(
'type=? and pid=?', ('0', pid)).field('id,filename').select()
num = len(backups) - int(count)
if num > 0:
for backup in backups:
mw.execShell("rm -f " + backup['filename'])
sql.table('backup').where('id=?', (backup['id'],)).delete()
num -= 1
print("|---已清理过期备份文件:" + backup['filename'])
if num < 1:
break
def getConf(self, mtype='mysql'):
path = mw.getServerDir() + '/' + mtype + '/etc/my.cnf'
return path
def recognizeDbMode(self, mtype='mysql'):
conf = self.getConf(mtype)
con = mw.readFile(conf)
rep = r"!include %s/(.*)?\.cnf" % (mw.getServerDir() +'/'+ mtype +"/etc/mode",)
mode = 'none'
try:
data = re.findall(rep, con, re.M)
mode = data[0]
except Exception as e:
pass
return mode
# 数据库密码处理
def mypass(self, act, root):
conf_file = self.getConf('mysql')
mw.execShell("sed -i '/user=root/d' {}".format(conf_file))
mw.execShell("sed -i '/password=/d' {}".format(conf_file))
if act:
mycnf = mw.readFile(conf_file)
src_dump = "[mysqldump]\n"
sub_dump = src_dump + "user=root\npassword=\"{}\"\n".format(root)
if not mycnf:
return False
mycnf = mycnf.replace(src_dump, sub_dump)
if len(mycnf) > 100:
mw.writeFile(conf_file, mycnf)
return True
return True
def backupDatabase(self, name, count):
db_path = mw.getServerDir() + '/mysql'
db_name = 'mysql'
name = mw.M('databases').dbPos(db_path, 'mysql').where(
'name=?', (name,)).getField('name')
startTime = time.time()
if not name:
endDate = time.strftime('%Y/%m/%d %X', time.localtime())
log = "数据库[" + name + "]不存在!"
print("★[" + endDate + "] " + log)
print(
"----------------------------------------------------------------------------")
return
backup_path = mw.getBackupDir() + '/database'
if not os.path.exists(backup_path):
mw.execShell("mkdir -p " + backup_path)
filename = backup_path + "/db_" + name + "_" + \
time.strftime('%Y%m%d_%H%M%S', time.localtime()) + ".sql.gz"
mysql_root = mw.M('config').dbPos(db_path, db_name).where(
"id=?", (1,)).getField('mysql_root')
my_cnf = self.getConf('mysql')
self.mypass(True, mysql_root)
# mw.execShell(db_path + "/bin/mysqldump --opt --default-character-set=utf8 " +
# name + " | gzip > " + filename)
# mw.execShell(db_path + "/bin/mysqldump --single-transaction --quick --default-character-set=utf8 " +
# name + " | gzip > " + filename)
# 开启一致性事务 会lock表
# cmd = db_path + "/bin/mysqldump --defaults-file=" + my_cnf + " --force --opt --default-character-set=utf8 " + \
# name + " | gzip > " + filename
option = ''
mode = self.recognizeDbMode('mysql')
if mode == 'gtid':
option = ' --set-gtid-purged=off '
# skip-opt 不会lock表
# --skip-opt --create-options
cmd = db_path + "/bin/mysqldump --defaults-file=" + my_cnf +" " + option +" --single-transaction -q --default-character-set=utf8mb4 " + \
name + " | gzip > " + filename
# print(cmd)
mw.execShell(cmd)
if not os.path.exists(filename):
endDate = time.strftime('%Y/%m/%d %X', time.localtime())
log = "数据库[" + name + "]备份失败!"
print("★[" + endDate + "] " + log)
print(
"----------------------------------------------------------------------------")
return
self.mypass(False, mysql_root)
endDate = time.strftime('%Y/%m/%d %X', time.localtime())
outTime = time.time() - startTime
pid = mw.M('databases').dbPos(db_path, db_name).where(
'name=?', (name,)).getField('id')
mw.M('backup').add('type,name,pid,filename,addtime,size', (1, os.path.basename(
filename), pid, filename, endDate, os.path.getsize(filename)))
log = "数据库[" + name + "]备份成功,用时[" + str(round(outTime, 2)) + "]秒"
mw.writeLog('计划任务', log)
print("★[" + endDate + "] " + log)
print("|---保留最新的[" + count + "]份备份")
print("|---文件名:" + filename)
# 清理多余备份
backups = mw.M('backup').where(
'type=? and pid=?', ('1', pid)).field('id,filename').select()
num = len(backups) - int(count)
if num > 0:
for backup in backups:
mw.execShell("rm -f " + backup['filename'])
mw.M('backup').where('id=?', (backup['id'],)).delete()
num -= 1
print("|---已清理过期备份文件:" + backup['filename'])
if num < 1:
break
def backupSiteAll(self, save):
sites = mw.M('sites').field('name').select()
for site in sites:
self.backupSite(site['name'], save)
def backupDatabaseAll(self, save):
db_path = mw.getServerDir() + '/mysql'
db_name = 'mysql'
databases = mw.M('databases').dbPos(
db_path, db_name).field('name').select()
for database in databases:
self.backupDatabase(database['name'], save)
def findPathName(self, path, filename):
f = os.scandir(path)
l = []
for ff in f:
if ff.name.find(filename) > -1:
l.append(ff.name)
return l
def backupPath(self, path, count):
mw.echoStart('备份')
backup_path = mw.getBackupDir() + '/path'
if not os.path.exists(backup_path):
mw.execShell("mkdir -p " + backup_path)
dirname = os.path.basename(path)
fname = 'path_{}_{}.tar.gz'.format(
dirname, mw.formatDate("%Y%m%d_%H%M%S"))
dfile = os.path.join(backup_path, fname)
p_size = mw.getPathSize(path)
stime = time.time()
cmd = "cd " + os.path.dirname(path) + " && tar zcvf '" + dfile + "' '" + dirname + "' 2>{err_log} 1> /dev/null".format(
err_log='/tmp/backup_err.log')
mw.execShell(cmd)
tar_size = os.path.getsize(dfile)
mw.echoInfo('备份目录:' + path)
mw.echoInfo('目录已备份到:' + dfile)
mw.echoInfo("目录大小:{}".format(mw.toSize(p_size)))
mw.echoInfo("开始压缩文件:{}".format(mw.formatDate(times=stime)))
mw.echoInfo("文件压缩完成,耗时{:.2f}秒,压缩包大小:{}".format(
time.time() - stime, mw.toSize(tar_size)))
mw.echoInfo('保留最新的备份数:' + count + '')
backups = self.findPathName(backup_path, 'path_{}'.format(dirname))
num = len(backups) - int(count)
backups.sort()
if num > 0:
for backup in backups:
abspath_bk = backup_path + "/" + backup
mw.execShell("rm -f " + abspath_bk)
mw.echoInfo("|---已清理过期备份文件:" + abspath_bk)
num -= 1
if num < 1:
break
mw.echoEnd('备份')
if __name__ == "__main__":
backup = backupTools()
stype = sys.argv[1]
if stype == 'site':
if sys.argv[2] == 'ALL':
backup.backupSiteAll(sys.argv[3])
else:
backup.backupSite(sys.argv[2], sys.argv[3])
elif stype == 'database':
if sys.argv[2] == 'ALL':
backup.backupDatabaseAll(sys.argv[3])
else:
backup.backupDatabase(sys.argv[2], sys.argv[3])
elif stype == 'path':
backup.backupPath(sys.argv[2], sys.argv[3])