lcm/pub/utils/toscaparser/baseinfomodel.py

   1 import copy
   2 import os
   3 import shutil
   4 import urllib
   5
   6 from toscaparser.tosca_template import ToscaTemplate
   7
   8 from lcm.pub.utils.toscaparser.dataentityext import DataEntityExt
   9
  10
  11 class BaseInfoModel(object):
  12
  13     def buildToscaTemplate(self, path, params):
  14         file_name = None
  15         try:
  16             file_name = self._check_download_file(path)
  17             valid_params = self._validate_input_params(file_name, params)
  18             return self._create_tosca_template(file_name, valid_params)
  19         finally:
  20             if file_name != None and file_name != path and os.path.exists(file_name):
  21                 try:
  22                     os.remove(file_name)
  23                 except Exception, e:
  24                     pass
  25
  26     def _validate_input_params(self, path, params):
  27         valid_params = {}
  28         if params and len(params) > 0:
  29             tmp = self._create_tosca_template(path, None)
  30             for key,value in params.items():
  31                 if hasattr(tmp, 'inputs') and len(tmp.inputs) > 0:
  32                     for input_def in tmp.inputs:
  33                         if (input_def.name == key):
  34                             valid_params[key] = DataEntityExt.validate_datatype(input_def.type, value)
  35
  36         return valid_params
  37
  38     def _create_tosca_template(self, file_name, valid_params):
  39         tosca_tpl = None
  40         try:
  41             tosca_tpl = ToscaTemplate(file_name, valid_params)
  42             print "-----------------------------"
  43             print '\n'.join(['%s:%s' % item for item in tosca_tpl.__dict__.items()])
  44             print "-----------------------------"
  45             return tosca_tpl
  46         finally:
  47             if tosca_tpl != None and hasattr(tosca_tpl, "temp_dir") and os.path.exists(tosca_tpl.temp_dir):
  48                 try:
  49                     shutil.rmtree(tosca_tpl.temp_dir)
  50                 except Exception, e:
  51                     pass
  52
  53     def _check_download_file(self, path):
  54         if (path.startswith("ftp") or path.startswith("sftp")):
  55             return self.downloadFileFromFtpServer(path)
  56         elif (path.startswith("http")):
  57             return self.download_file_from_httpserver(path)
  58         return path
  59
  60     def download_file_from_httpserver(self, path):
  61         path = path.encode("utf-8")
  62         tmps = str.split(path, '/')
  63         localFileName = tmps[len(tmps) - 1]
  64         urllib.urlretrieve(path, localFileName)
  65         return localFileName
  66
  67     def downloadFileFromFtpServer(self, path):
  68         path = path.encode("utf-8")
  69         tmp = str.split(path, '://')
  70         protocol = tmp[0]
  71         tmp = str.split(tmp[1], ':')
  72         if len(tmp) == 2:
  73             userName = tmp[0]
  74             tmp = str.split(tmp[1], '@')
  75             userPwd = tmp[0]
  76             index = tmp[1].index('/')
  77             hostIp = tmp[1][0:index]
  78             remoteFileName = tmp[1][index:len(tmp[1])]
  79             if protocol.lower() == 'ftp':
  80                 hostPort = 21
  81             else:
  82                 hostPort = 22
  83
  84         if len(tmp) == 3:
  85             userName = tmp[0]
  86             userPwd = str.split(tmp[1], '@')[0]
  87             hostIp = str.split(tmp[1], '@')[1]
  88             index = tmp[2].index('/')
  89             hostPort = tmp[2][0:index]
  90             remoteFileName = tmp[2][index:len(tmp[2])]
  91
  92         localFileName = str.split(remoteFileName, '/')
  93         localFileName = localFileName[len(localFileName) - 1]
  94
  95         if protocol.lower() == 'sftp':
  96             self.sftp_get(userName, userPwd, hostIp, hostPort, remoteFileName, localFileName)
  97         else:
  98             self.ftp_get(userName, userPwd, hostIp, hostPort, remoteFileName, localFileName)
  99         return localFileName
 100
 101     def buidMetadata(self, tosca):
 102         if 'metadata' in tosca.tpl:
 103             self.metadata = copy.deepcopy(tosca.tpl['metadata'])