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import copy
import json
import os
import re
import shutil
import urllib
from toscaparser.functions import GetInput
from toscaparser.tosca_template import ToscaTemplate
from lcm.pub.utils.toscaparser.dataentityext import DataEntityExt
class BaseInfoModel(object):
def buildToscaTemplate(self, path, params):
file_name = None
try:
file_name = self._check_download_file(path)
valid_params = self._validate_input_params(file_name, params)
return self._create_tosca_template(file_name, valid_params)
finally:
if file_name != None and file_name != path and os.path.exists(file_name):
try:
os.remove(file_name)
except Exception, e:
pass
def _validate_input_params(self, path, params):
valid_params = {}
if params and len(params) > 0:
tmp = self._create_tosca_template(path, None)
for key,value in params.items():
if hasattr(tmp, 'inputs') and len(tmp.inputs) > 0:
for input_def in tmp.inputs:
if (input_def.name == key):
valid_params[key] = DataEntityExt.validate_datatype(input_def.type, value)
return valid_params
def _create_tosca_template(self, file_name, valid_params):
tosca_tpl = None
try:
tosca_tpl = ToscaTemplate(file_name, valid_params)
print "-----------------------------"
print '\n'.join(['%s:%s' % item for item in tosca_tpl.__dict__.items()])
print "-----------------------------"
return tosca_tpl
finally:
if tosca_tpl != None and hasattr(tosca_tpl, "temp_dir") and os.path.exists(tosca_tpl.temp_dir):
try:
shutil.rmtree(tosca_tpl.temp_dir)
except Exception, e:
pass
def _check_download_file(self, path):
if (path.startswith("ftp") or path.startswith("sftp")):
return self.downloadFileFromFtpServer(path)
elif (path.startswith("http")):
return self.download_file_from_httpserver(path)
return path
def download_file_from_httpserver(self, path):
path = path.encode("utf-8")
tmps = str.split(path, '/')
localFileName = tmps[len(tmps) - 1]
urllib.urlretrieve(path, localFileName)
return localFileName
def downloadFileFromFtpServer(self, path):
path = path.encode("utf-8")
tmp = str.split(path, '://')
protocol = tmp[0]
tmp = str.split(tmp[1], ':')
if len(tmp) == 2:
userName = tmp[0]
tmp = str.split(tmp[1], '@')
userPwd = tmp[0]
index = tmp[1].index('/')
hostIp = tmp[1][0:index]
remoteFileName = tmp[1][index:len(tmp[1])]
if protocol.lower() == 'ftp':
hostPort = 21
else:
hostPort = 22
if len(tmp) == 3:
userName = tmp[0]
userPwd = str.split(tmp[1], '@')[0]
hostIp = str.split(tmp[1], '@')[1]
index = tmp[2].index('/')
hostPort = tmp[2][0:index]
remoteFileName = tmp[2][index:len(tmp[2])]
localFileName = str.split(remoteFileName, '/')
localFileName = localFileName[len(localFileName) - 1]
if protocol.lower() == 'sftp':
self.sftp_get(userName, userPwd, hostIp, hostPort, remoteFileName, localFileName)
else:
self.ftp_get(userName, userPwd, hostIp, hostPort, remoteFileName, localFileName)
return localFileName
def buidMetadata(self, tosca):
if 'metadata' in tosca.tpl:
self.metadata = copy.deepcopy(tosca.tpl['metadata'])
def buildProperties(self, nodeTemplate, parsed_params):
properties = {}
isMappingParams = parsed_params and len(parsed_params) > 0
for k, item in nodeTemplate.get_properties().items():
properties[k] = item.value
if isinstance(item.value, GetInput):
if item.value.result() and isMappingParams:
properties[k] = DataEntityExt.validate_datatype(item.type, item.value.result())
else:
tmp = {}
tmp[item.value.name] = item.value.input_name
properties[k] = tmp
if 'attributes' in nodeTemplate.entity_tpl:
for k, item in nodeTemplate.entity_tpl['attributes'].items():
properties[k] = str(item)
return properties
def buildProperties(self, nodeTemplate, parsed_params):
properties = {}
isMappingParams = parsed_params and len(parsed_params) > 0
for k, item in nodeTemplate.get_properties().items():
properties[k] = item.value
if isinstance(item.value, GetInput):
if item.value.result() and isMappingParams:
properties[k] = DataEntityExt.validate_datatype(item.type, item.value.result())
else:
tmp = {}
tmp[item.value.name] = item.value.input_name
properties[k] = tmp
if 'attributes' in nodeTemplate.entity_tpl:
for k, item in nodeTemplate.entity_tpl['attributes'].items():
properties[k] = str(item)
return properties
def verify_properties(self, props, inputs, parsed_params):
ret_props = {}
if (props and len(props) > 0):
for key, value in props.items():
ret_props[key] = self._verify_value(value, inputs, parsed_params)
# if isinstance(value, str):
# ret_props[key] = self._verify_string(inputs, parsed_params, value);
# continue
# if isinstance(value, list):
# ret_props[key] = map(lambda x: self._verify_dict(inputs, parsed_params, x), value)
# continue
# if isinstance(value, dict):
# ret_props[key] = self._verify_map(inputs, parsed_params, value)
# continue
# ret_props[key] = value
return ret_props
def build_requirements(self, node_template):
rets = []
for req in node_template.requirements:
for req_name, req_value in req.items():
if (isinstance(req_value, dict)):
if ('node' in req_value and req_value['node'] not in node_template.templates):
continue # No target requirement for aria parser, not add to result.
rets.append({req_name : req_value})
return rets
def buildCapabilities(self, nodeTemplate, inputs, ret):
capabilities = json.dumps(nodeTemplate.entity_tpl.get('capabilities', None))
match = re.findall(r'\{"get_input":\s*"([\w|\-]+)"\}',capabilities)
for m in match:
aa= [input_def for input_def in inputs
if m == input_def.name][0]
capabilities = re.sub(r'\{"get_input":\s*"([\w|\-]+)"\}', json.dumps(aa.default), capabilities,1)
if capabilities != 'null':
ret['capabilities'] = json.loads(capabilities)
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