The CRT automatically creates a session, and the CRT creates a session.

The CRT automatically creates a session, and the CRT creates a session.
Because there are too many Management Servers at work, you need to log on to multiple servers through ssh. It was a headache when I started to create a CRT to log on to the session, so I wrote a small script. I hope you can give me more instructions.

  1 # -*- coding:utf-8 -*-  2 import os  3 import optparse  4 import sys  5 import re  6   7   8 def createfile(path, dirname):  9     allfile = os.listdir(path) 10     os.chdir(path) 11     if dirname not in allfile: 12         os.mkdir(dirname) 13     return dirname 14  15  16 def createsessionfile(hostname, path, templatefilename, filename, dirname): 17     os.chdir(path) 18     sep = os.sep 19     hostid = re.compile(r'(Hostname).*') 20     reip = re.compile(r'\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b') 21     filepath = dirname + sep + filename + '.ini' 22     dirnamefiles = os.listdir(dirname) 23     if filename not in dirnamefiles: 24         with open(templatefilename, "r") as fp: 25             filecontent = fp.read() 26             hostip = hostid.search(filecontent).group() 27             ip = reip.search(hostip).group() 28             newfilecontent = filecontent.replace(ip, hostname) 29             wf = open(filepath, 'w') 30             wf.write(newfilecontent) 31             wf.close() 32  33  34 def createiplist(ip1, ip2): 35     ip1last = int(ip1.split('.')[-1]) 36     ip2last = int(ip2.split('.')[-1]) 37     ipbefore = '.'.join(ip1.split('.')[:-1]) 38     iplist = [] 39     if ip1last <= ip2last: 40         for iplast in range(ip1last, ip2last+1): 41             ip = ipbefore + '.' + str(iplast) 42             iplist.append(ip) 43     return iplist 44  45  46 def ipgroup(iplist, number, n): 47     ipgroupdict = {} 48     count = len(iplist) + 1 49     group = count / number 50     for i in range(group): 51         base = i * number 52         tmpip = [] 53         for index in range(number): 54             tmpip.append(iplist[index + base]) 55         groupname = "s" + str(n) 56         n += 1 57         ipgroupdict[groupname] = tmpip 58     return ipgroupdict 59  60  61 def createsessionname(mp, reapp, **ipdict): 62  63     for k, v in ipdict.iteritems(): 64         tmplist = [] 65         for index in range(len(v)): 66             iplast = '.'.join(v[index].split('.')[-2:]) 67             if index == 0: 68                 tmplist.append((v[index],iplast+"-MC")) 69             elif index > 0 and index < mp: 70                 tmplist.append((v[index],iplast+"-MA")) 71             elif index >= len(v) - reapp: 72                 tmplist.append((v[index],iplast+"RePE")) 73             else: 74                 tmplist.append((v[index],iplast+"PE")) 75         ipdict[k] = tmplist 76     return ipdict 77  78  79 def base_pare(): 80     usage = 'Usage: %prog [options] arg1 arg2 ...' 81     pares = optparse.OptionParser(usage, version='%prog 1.0') 82     pares.add_option("-a", '--ip1', dest='ip1', help='The upper bound of the IP address range') 83     pares.add_option('-b', '--ip2', dest='ip2', help='The lower bound of the IP address range') 84     pares.add_option('-f', '--file', dest='templatefilename', metavar='FILE',help='write output to FILE') 85     pares.add_option('-p', '--path', dest='path', help='Generate file path') 86     pares.add_option('-g', '--group', dest='group', help='Directory name') 87     pares.add_option('-n', '--number', dest='number', help='The number of each group') 88     pares.add_option('-m', '--mp', dest='mp', help='Mp the number of') 89     pares.add_option('-r', '--reprice', dest='reprice', help='The number of reprice') 90     return pares 91  92  93 if __name__ == '__main__': 94     pares = base_pare() 95     options, args = pares.parse_args() 96     if len(sys.argv) <= 1: 97         print "usage:autosession.py -h" 98         exit() 99     ip1 = options.ip1100     ip2 = options.ip2101     templatefilename = options.templatefilename102     path = options.path103     group = options.group104     number = options.number105     mp = options.mp106     reprice = options.reprice107     iplist = createiplist(ip1, ip2)108     ipgroup = ipgroup(iplist, int(number), int(group))109     ipdict = createsessionname(int(mp), int(reprice), **ipgroup)110     for groupname, iplists in ipdict.iteritems():111         dirname = createfile(path, groupname)112         for iptule in iplists:113             createsessionfile(iptule[0], path, templatefilename, iptule[1], dirname)

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