1 # Copyright 2017 ZTE Corporation.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
24 from toscaparser.functions import GetInput
25 from toscaparser.tosca_template import ToscaTemplate
27 from lcm.pub.utils.toscaparser.dataentityext import DataEntityExt
30 class BaseInfoModel(object):
32 def buildToscaTemplate(self, path, params):
35 file_name = self._check_download_file(path)
36 valid_params = self._validate_input_params(file_name, params)
37 return self._create_tosca_template(file_name, valid_params)
39 if file_name != None and file_name != path and os.path.exists(file_name):
45 def _validate_input_params(self, path, params):
47 if params and len(params) > 0:
48 tmp = self._create_tosca_template(path, None)
49 for key,value in params.items():
50 if hasattr(tmp, 'inputs') and len(tmp.inputs) > 0:
51 for input_def in tmp.inputs:
52 if (input_def.name == key):
53 valid_params[key] = DataEntityExt.validate_datatype(input_def.type, value)
57 def _create_tosca_template(self, file_name, valid_params):
60 tosca_tpl = ToscaTemplate(file_name, valid_params)
61 print "-----------------------------"
62 print '\n'.join(['%s:%s' % item for item in tosca_tpl.__dict__.items()])
63 print "-----------------------------"
66 if tosca_tpl != None and hasattr(tosca_tpl, "temp_dir") and os.path.exists(tosca_tpl.temp_dir):
68 shutil.rmtree(tosca_tpl.temp_dir)
72 def _check_download_file(self, path):
73 if (path.startswith("ftp") or path.startswith("sftp")):
74 return self.downloadFileFromFtpServer(path)
75 elif (path.startswith("http")):
76 return self.download_file_from_httpserver(path)
79 def download_file_from_httpserver(self, path):
80 path = path.encode("utf-8")
81 tmps = str.split(path, '/')
82 localFileName = tmps[len(tmps) - 1]
83 urllib.urlretrieve(path, localFileName)
86 def downloadFileFromFtpServer(self, path):
87 path = path.encode("utf-8")
88 tmp = str.split(path, '://')
90 tmp = str.split(tmp[1], ':')
93 tmp = str.split(tmp[1], '@')
95 index = tmp[1].index('/')
96 hostIp = tmp[1][0:index]
97 remoteFileName = tmp[1][index:len(tmp[1])]
98 if protocol.lower() == 'ftp':
105 userPwd = str.split(tmp[1], '@')[0]
106 hostIp = str.split(tmp[1], '@')[1]
107 index = tmp[2].index('/')
108 hostPort = tmp[2][0:index]
109 remoteFileName = tmp[2][index:len(tmp[2])]
111 localFileName = str.split(remoteFileName, '/')
112 localFileName = localFileName[len(localFileName) - 1]
114 if protocol.lower() == 'sftp':
115 self.sftp_get(userName, userPwd, hostIp, hostPort, remoteFileName, localFileName)
117 self.ftp_get(userName, userPwd, hostIp, hostPort, remoteFileName, localFileName)
120 def sftp_get(self, userName, userPwd, hostIp, hostPort, remoteFileName, localFileName):
124 t = paramiko.Transport(hostIp, int(hostPort))
125 t.connect(username=userName, password=userPwd)
126 sftp = paramiko.SFTPClient.from_transport(t)
127 sftp.get(remoteFileName, localFileName)
133 def ftp_get(self, userName, userPwd, hostIp, hostPort, remoteFileName, localFileName):
137 ftp.connect(hostIp, hostPort)
138 ftp.login(userName, userPwd)
139 f = open(localFileName, 'wb')
140 ftp.retrbinary('RETR ' + remoteFileName, f.write, 1024)
146 def buidMetadata(self, tosca):
147 if 'metadata' in tosca.tpl:
148 self.metadata = copy.deepcopy(tosca.tpl['metadata'])
150 def buildProperties(self, nodeTemplate, parsed_params):
152 isMappingParams = parsed_params and len(parsed_params) > 0
153 for k, item in nodeTemplate.get_properties().items():
154 properties[k] = item.value
155 if isinstance(item.value, GetInput):
156 if item.value.result() and isMappingParams:
157 properties[k] = DataEntityExt.validate_datatype(item.type, item.value.result())
160 tmp[item.value.name] = item.value.input_name
162 if 'attributes' in nodeTemplate.entity_tpl:
163 for k, item in nodeTemplate.entity_tpl['attributes'].items():
164 properties[k] = str(item)
168 def verify_properties(self, props, inputs, parsed_params):
170 if (props and len(props) > 0):
171 for key, value in props.items():
172 ret_props[key] = self._verify_value(value, inputs, parsed_params)
173 # if isinstance(value, str):
174 # ret_props[key] = self._verify_string(inputs, parsed_params, value);
176 # if isinstance(value, list):
177 # ret_props[key] = map(lambda x: self._verify_dict(inputs, parsed_params, x), value)
179 # if isinstance(value, dict):
180 # ret_props[key] = self._verify_map(inputs, parsed_params, value)
182 # ret_props[key] = value
185 def build_requirements(self, node_template):
187 for req in node_template.requirements:
188 for req_name, req_value in req.items():
189 if (isinstance(req_value, dict)):
190 if ('node' in req_value and req_value['node'] not in node_template.templates):
191 continue # No target requirement for aria parser, not add to result.
192 rets.append({req_name : req_value})
195 def buildCapabilities(self, nodeTemplate, inputs, ret):
196 capabilities = json.dumps(nodeTemplate.entity_tpl.get('capabilities', None))
197 match = re.findall(r'\{"get_input":\s*"([\w|\-]+)"\}',capabilities)
199 aa= [input_def for input_def in inputs
200 if m == input_def.name][0]
201 capabilities = re.sub(r'\{"get_input":\s*"([\w|\-]+)"\}', json.dumps(aa.default), capabilities,1)
202 if capabilities != 'null':
203 ret['capabilities'] = json.loads(capabilities)
205 def buildArtifacts(self, nodeTemplate, inputs, ret):
206 artifacts = json.dumps(nodeTemplate.entity_tpl.get('artifacts', None))
207 match = re.findall(r'\{"get_input":\s*"([\w|\-]+)"\}',artifacts)
209 aa= [input_def for input_def in inputs
210 if m == input_def.name][0]
211 artifacts = re.sub(r'\{"get_input":\s*"([\w|\-]+)"\}', json.dumps(aa.default), artifacts,1)
212 if artifacts != 'null':
213 ret['artifacts'] = json.loads(artifacts)
215 def build_interfaces(self, node_template):
216 if 'interfaces' in node_template.entity_tpl:
217 return node_template.entity_tpl['interfaces']
220 def isVnf(self, node):
221 return node['nodeType'].upper().find('.VNF.') >= 0 or node['nodeType'].upper().endswith('.VNF')
223 def isPnf(self, node):
224 return node['nodeType'].upper().find('.PNF.') >= 0 or node['nodeType'].upper().endswith('.PNF')
226 def isCp(self, node):
227 return node['nodeType'].upper().find('.CP.') >= 0 or node['nodeType'].upper().endswith('.CP')
229 def isVl(self, node):
230 return node['nodeType'].upper().find('.VIRTUALLINK.') >= 0 or node['nodeType'].upper().find('.VL.') >= 0 or \
231 node['nodeType'].upper().endswith('.VIRTUALLINK') or node['nodeType'].upper().endswith('.VL')
233 def isService(self, node):
234 return node['nodeType'].upper().find('.SERVICE.') >= 0 or node['nodeType'].upper().endswith('.SERVICE')
236 def get_requirement_node_name(self, req_value):
237 return self.get_prop_from_obj(req_value, 'node')
239 def get_prop_from_obj(self, obj, prop):
240 if isinstance(obj, str):
242 if (isinstance(obj, dict) and prop in obj):
246 def getNodeDependencys(self, node):
247 return self.getRequirementByName(node, 'dependency')
249 def getVirtualLinks(self, node):
250 return self.getRequirementByName(node, 'virtualLink')
252 def getVirtualbindings(self, node):
253 return self.getRequirementByName(node, 'virtualbinding')
256 def getRequirementByName(self, node, requirementName):
258 if 'requirements' in node:
259 for item in node['requirements']:
260 for key, value in item.items():
261 if key == requirementName:
262 requirements.append(value)
265 def get_networks(self, node):
267 if 'requirements' in node:
268 for item in node['requirements']:
269 for key, value in item.items():
270 if key.upper().find('VIRTUALLINK') >=0:
271 rets.append({"key_name":key, "vl_id":self.get_requirement_node_name(value)})
274 def _verify_value(self, value, inputs, parsed_params):
275 if isinstance(value, str):
276 return self._verify_string(inputs, parsed_params, value)
277 if isinstance(value, list) or isinstance(value, dict):
278 return self._verify_object(value, inputs, parsed_params)
281 def _verify_object(self, value, inputs, parsed_params):
282 s = self._verify_string(inputs, parsed_params, json.dumps(value))
285 def _get_input_name(self, getInput):
286 input_name = getInput.split(':')[1]
287 input_name = input_name.strip()
288 return input_name.replace('"', '').replace('}', '')
290 def _verify_string(self, inputs, parsed_params, value):
291 getInputs = re.findall(r'{"get_input": "[a-zA-Z_0-9]+"}', value)
292 for getInput in getInputs:
293 input_name = self._get_input_name(getInput)
294 if parsed_params and input_name in parsed_params:
295 value = value.replace(getInput, json.dumps(parsed_params[input_name]))
297 for input_def in inputs:
298 if input_def.default and input_name == input_def.name:
299 value = value.replace(getInput, json.dumps(input_def.default))
302 def get_node_vl_id(self, node):
303 vl_ids = map(lambda x: self.get_requirement_node_name(x), self.getVirtualLinks(node))
308 def get_node_by_name(self, node_templates, name):
309 for node in node_templates:
310 if node['name'] == name:
314 def get_all_nested_ns(self, nodes):
317 if self.is_nested_ns(node):
319 ns['ns_id'] = node['name']
320 ns['description'] = node['description']
321 ns['properties'] = node['properties']
322 ns['networks'] = self.get_networks(node)
327 def is_nested_ns(self, node):
328 return node['nodeType'].upper().find('.NS.') >= 0 or node['nodeType'].upper().endswith('.NS')
330 def isVdu(self, node):
331 return node['nodeType'].upper().find('.VDU.') >= 0 or node['nodeType'].upper().endswith('.VDU')
333 def getCapabilityByName(self, node, capabilityName):
334 if 'capabilities' in node and capabilityName in node['capabilities']:
335 return node['capabilities'][capabilityName]