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.
17 from threading import Thread
20 from lcm.pub.utils.syscomm import fun_name
21 from lcm.pub.utils.values import ignore_case_get
22 from lcm.pub.utils import restcall
23 from lcm.pub.exceptions import NSLCMException
25 logger = logging.getLogger(__name__)
27 RESULT_OK, RESULT_NG = "0", "1"
36 "nsInstanceId": id of ns instance,
37 "object_context": json format of nsd,
38 "object_additionalParamForNs": json format of additional parameters for ns,
39 "object_additionalParamForVnf": json format of additional parameters for vnf,
40 "vlCount": int type of VL count,
41 "vnfCount: int type of VNF count,
42 "sfcCount": int type of SFC count,
43 "sdnControllerId": uuid of SDN controller
48 def run_ns_instantiate(input_data):
49 logger.debug("Enter %s, input_data is %s", fun_name(), input_data)
50 ns_instantiate_ok = False
51 job_id = ignore_case_get(input_data, "jobId")
52 ns_inst_id = ignore_case_get(input_data, "nsInstanceId")
53 nsd_json = ignore_case_get(input_data, "object_context")
54 ns_param_json = ignore_case_get(input_data, "object_additionalParamForNs")
55 vnf_param_json = ignore_case_get(input_data, "object_additionalParamForVnf")
56 vl_count = ignore_case_get(input_data, "vlCount")
57 vnf_count = ignore_case_get(input_data, "vnfCount")
58 sfc_count = ignore_case_get(input_data, "sfcCount")
59 sdnc_id = ignore_case_get(input_data, "sdnControllerId")
60 g_jobs_status[job_id] = [1 for i in range(vnf_count)]
62 update_job(job_id, 10, "0", "Start to create VL")
63 for i in range(vl_count):
64 create_vl(ns_inst_id, i + 1, nsd_json, ns_param_json)
66 update_job(job_id, 30, "0", "Start to create VNF")
67 jobs = [create_vnf(ns_inst_id, i + 1, vnf_param_json) for i in range(vnf_count)]
68 wait_until_jobs_done(job_id, jobs)
70 [confirm_vnf_status(inst_id) for inst_id, _, _ in jobs]
72 update_job(job_id, 70, "0", "Start to create SFC")
73 g_jobs_status[job_id] = [1 for i in range(sfc_count)]
74 jobs = [create_sfc(ns_inst_id, i + 1, nsd_json, sdnc_id) for i in range(sfc_count)]
75 wait_until_jobs_done(job_id, jobs)
77 [confirm_sfc_status(inst_id) for inst_id, _, _ in jobs]
79 update_job(job_id, 90, "0", "Start to post deal")
80 post_deal(ns_inst_id, "true")
82 update_job(job_id, 100, "0", "Create NS successfully.")
83 ns_instantiate_ok = True
84 except NSLCMException as e:
85 logger.error("Failded to Create NS: %s", e.message)
86 update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
87 post_deal(ns_inst_id, "false")
89 logger.error(traceback.format_exc())
90 update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
91 post_deal(ns_inst_id, "false")
93 g_jobs_status.pop(job_id)
94 return ns_instantiate_ok
97 def create_vl(ns_inst_id, vl_index, nsd, ns_param):
98 uri = "api/nslcm/v1/ns/vls"
99 data = json.JSONEncoder().encode({
100 "nsInstanceId": ns_inst_id,
103 "additionalParamForNs": ns_param
106 ret = restcall.req_by_msb(uri, "POST", data)
108 logger.error("Failed to call create_vl(%s): %s", vl_index, ret[1])
109 raise NSLCMException("Failed to call create_vl(index is %s)" % vl_index)
110 ret[1] = json.JSONDecoder().decode(ret[1])
112 result = str(ret[1]["result"])
113 detail = ret[1]["detail"]
114 vl_id = ret[1]["vlId"]
115 if result != RESULT_OK:
116 logger.error("Failed to create VL(%s): %s", vl_id, detail)
117 raise NSLCMException("Failed to create VL(%s)" % vl_id)
119 logger.debug("Create VL(%s) successfully.", vl_id)
122 def create_vnf(ns_inst_id, vnf_index, nf_param):
123 uri = "api/nslcm/v1/ns/vnfs"
124 data = json.JSONEncoder().encode({
125 "nsInstanceId": ns_inst_id,
126 "vnfIndex": vnf_index,
127 "additionalParamForVnf": nf_param
130 ret = restcall.req_by_msb(uri, "POST", data)
132 logger.error("Failed to call create_vnf(%s): %s", vnf_index, ret[1])
133 raise NSLCMException("Failed to call create_vnf(index is %s)" % vnf_index)
134 ret[1] = json.JSONDecoder().decode(ret[1])
136 vnf_inst_id = ret[1]["vnfInstId"]
137 job_id = ret[1]["jobId"]
138 logger.debug("Create VNF(%s) started.", vnf_inst_id)
139 return vnf_inst_id, job_id, vnf_index - 1
142 def create_sfc(ns_inst_id, fp_index, nsd_json, sdnc_id):
143 uri = "api/nslcm/v1/ns/sfcs"
144 data = json.JSONEncoder().encode({
145 "nsInstanceId": ns_inst_id,
148 "sdnControllerId": sdnc_id
151 ret = restcall.req_by_msb(uri, "POST", data)
153 logger.error("Failed to call create_sfc(%s): %s", fp_index, ret[1])
154 raise NSLCMException("Failed to call create_sfc(index is %s)" % fp_index)
155 ret[1] = json.JSONDecoder().decode(ret[1])
157 sfc_inst_id = ret[1]["sfcInstId"]
158 job_id = ret[1]["jobId"]
159 logger.debug("Create SFC(%s) started.", sfc_inst_id)
160 return sfc_inst_id, job_id, fp_index - 1
163 def post_deal(ns_inst_id, status):
164 uri = "api/nslcm/v1/ns/{nsInstanceId}/postdeal".format(nsInstanceId=ns_inst_id)
165 data = json.JSONEncoder().encode({
169 ret = restcall.req_by_msb(uri, "POST", data)
171 logger.error("Failed to call post_deal(%s): %s", ns_inst_id, ret[1])
172 logger.debug("Call post_deal(%s, %s) successfully.", ns_inst_id, status)
175 def update_job(job_id, progress, errcode, desc):
176 uri = "api/nslcm/v1/jobs/{jobId}".format(jobId=job_id)
177 data = json.JSONEncoder().encode({
178 "progress": progress,
182 restcall.req_by_msb(uri, "POST", data)
185 class JobWaitThread(Thread):
189 def __init__(self, inst_id, job_id, ns_job_id, index):
190 Thread.__init__(self)
191 self.inst_id = inst_id
193 self.ns_job_id = ns_job_id
195 self.retry_count = 60
196 self.interval_second = 3
200 response_id, new_response_id = 0, 0
201 job_end_normal, job_timeout = False, True
202 while count < self.retry_count:
204 time.sleep(self.interval_second)
205 uri = "/api/nslcm/v1/jobs/%s?responseId=%s" % (self.job_id, response_id)
206 ret = restcall.req_by_msb(uri, "GET")
208 logger.error("Failed to query job: %s:%s", ret[2], ret[1])
210 job_result = json.JSONDecoder().decode(ret[1])
211 if "responseDescriptor" not in job_result:
212 logger.error("Job(%s) does not exist.", self.job_id)
214 progress = job_result["responseDescriptor"]["progress"]
215 new_response_id = job_result["responseDescriptor"]["responseId"]
216 job_desc = job_result["responseDescriptor"]["statusDescription"]
217 if new_response_id != response_id:
218 logger.debug("%s:%s:%s", progress, new_response_id, job_desc)
219 response_id = new_response_id
221 if progress == JOB_ERROR:
223 logger.error("Job(%s) failed: %s", self.job_id, job_desc)
225 elif progress == 100:
226 job_end_normal, job_timeout = True, False
227 logger.info("Job(%s) ended normally", self.job_id)
230 logger.error("Job(%s) timeout", self.job_id)
231 if self.ns_job_id in g_jobs_status:
233 g_jobs_status[self.ns_job_id][self.index] = 0
236 def wait_until_jobs_done(g_job_id, jobs):
238 for inst_id, job_id, index in jobs:
239 job_threads.append(JobWaitThread(inst_id, job_id, g_job_id, index))
240 for t in job_threads:
242 for t in job_threads:
244 if g_job_id in g_jobs_status:
245 if sum(g_jobs_status[g_job_id]) > 0:
246 logger.error("g_jobs_status[%s]: %s", g_job_id, g_jobs_status[g_job_id])
247 raise NSLCMException("Some jobs failed!")
250 def confirm_vnf_status(vnf_inst_id):
251 uri = "api/nslcm/v1/ns/vnfs/{vnfInstId}".format(vnfInstId=vnf_inst_id)
252 ret = restcall.req_by_msb(uri, "GET")
254 raise NSLCMException("Failed to call get_vnf(%s)" % vnf_inst_id)
255 ret[1] = json.JSONDecoder().decode(ret[1])
257 vnf_status = ret[1]["vnfStatus"]
258 if vnf_status != "active":
259 raise NSLCMException("Status of VNF(%s) is not active" % vnf_inst_id)
262 def confirm_sfc_status(sfc_inst_id):
263 uri = "api/nslcm/v1/ns/sfcs/{sfcInstId}".format(sfcInstId=sfc_inst_id)
264 ret = restcall.req_by_msb(uri, "GET")
266 raise NSLCMException("Failed to call get_sfc(%s)" % sfc_inst_id)
267 ret[1] = json.JSONDecoder().decode(ret[1])
269 sfc_status = ret[1]["sfcStatus"]
270 if sfc_status != "active":
271 raise NSLCMException("Status of SFC(%s) is not active" % sfc_inst_id)