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
46 def run_ns_instantiate(input_data):
47 logger.debug("Enter %s, input_data is %s", fun_name(), input_data)
48 ns_instantiate_ok = False
49 job_id = ignore_case_get(input_data, "jobId")
50 ns_inst_id = ignore_case_get(input_data, "nsInstanceId")
51 nsd_json = ignore_case_get(input_data, "object_context")
52 ns_param_json = ignore_case_get(input_data, "object_additionalParamForNs")
53 vnf_param_json = ignore_case_get(input_data, "object_additionalParamForVnf")
54 vl_count = ignore_case_get(input_data, "vlCount")
55 vnf_count = ignore_case_get(input_data, "vnfCount")
56 sfc_count = ignore_case_get(input_data, "sfcCount")
57 sdnc_id = ignore_case_get(input_data, "sdnControllerId")
58 g_jobs_status[job_id] = [1 for i in range(vnf_count)]
60 update_job(job_id, 10, "0", "Start to create VL")
61 for i in range(vl_count):
62 create_vl(ns_inst_id, i + 1, nsd_json, ns_param_json)
64 update_job(job_id, 30, "0", "Start to create VNF")
65 jobs = [create_vnf(ns_inst_id, i + 1, vnf_param_json) for i in range(vnf_count)]
66 wait_until_jobs_done(job_id, jobs)
68 [confirm_vnf_status(inst_id) for inst_id, _, _ in jobs]
70 update_job(job_id, 70, "0", "Start to create SFC")
71 jobs = [create_sfc(ns_inst_id, i + 1, nsd_json, sdnc_id) for i in range(sfc_count)]
72 wait_until_jobs_done(job_id, jobs)
74 [confirm_sfc_status(inst_id) for inst_id, _, _ in jobs]
76 update_job(job_id, 90, "0", "Start to post deal")
77 post_deal(ns_inst_id, "true")
79 update_job(job_id, 100, "0", "Create NS successfully.")
80 ns_instantiate_ok = True
81 except NSLCMException as e:
82 logger.error("Failded to Create NS: %s", e.message)
83 update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
84 post_deal(ns_inst_id, "false")
86 logger.error(traceback.format_exc())
87 update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
88 post_deal(ns_inst_id, "false")
90 g_jobs_status.pop(job_id)
91 return ns_instantiate_ok
94 def create_vl(ns_inst_id, vl_index, nsd, ns_param):
95 uri = "api/nslcm/v1/ns/vls"
96 data = json.JSONEncoder().encode({
97 "nsInstanceId": ns_inst_id,
100 "additionalParamForNs": ns_param
103 ret = restcall.req_by_msb(uri, "POST", data)
105 logger.error("Failed to call create_vl(%s): %s", vl_index, ret[1])
106 raise NSLCMException("Failed to call create_vl(index is %s)" % vl_index)
107 ret[1] = json.JSONDecoder().decode(ret[1])
109 result = str(ret[1]["result"])
110 detail = ret[1]["detail"]
111 vl_id = ret[1]["vlId"]
112 if result != RESULT_OK:
113 logger.error("Failed to create VL(%s): %s", vl_id, detail)
114 raise NSLCMException("Failed to create VL(%s)" % vl_id)
116 logger.debug("Create VL(%s) successfully.", vl_id)
118 def create_vnf(ns_inst_id, vnf_index, nf_param):
119 uri = "api/nslcm/v1/ns/vnfs"
120 data = json.JSONEncoder().encode({
121 "nsInstanceId": ns_inst_id,
122 "vnfIndex": vnf_index,
123 "additionalParamForVnf": nf_param
126 ret = restcall.req_by_msb(uri, "POST", data)
128 logger.error("Failed to call create_vnf(%s): %s", vnf_index, ret[1])
129 raise NSLCMException("Failed to call create_vnf(index is %s)" % vnf_index)
130 ret[1] = json.JSONDecoder().decode(ret[1])
132 vnf_inst_id = ret[1]["vnfInstId"]
133 job_id = ret[1]["jobId"]
134 logger.debug("Create VNF(%s) started.", vnf_inst_id)
135 return vnf_inst_id, job_id, vnf_index - 1
137 def create_sfc(ns_inst_id, fp_index, nsd_json, sdnc_id):
138 uri = "api/nslcm/v1/ns/sfcs"
139 data = json.JSONEncoder().encode({
140 "nsInstanceId": ns_inst_id,
143 "sdnControllerId": sdnc_id
146 ret = restcall.req_by_msb(uri, "POST", data)
148 logger.error("Failed to call create_sfc(%s): %s", fp_index, ret[1])
149 raise NSLCMException("Failed to call create_sfc(index is %s)" % fp_index)
150 ret[1] = json.JSONDecoder().decode(ret[1])
152 sfc_inst_id = ret[1]["sfcInstId"]
153 job_id = ret[1]["jobId"]
154 logger.debug("Create SFC(%s) started.", sfc_inst_id)
155 return sfc_inst_id, job_id, fp_index - 1
157 def post_deal(ns_inst_id, status):
158 uri = "api/nslcm/v1/ns/{nsInstanceId}/postdeal".format(nsInstanceId=ns_inst_id)
159 data = json.JSONEncoder().encode({
163 ret = restcall.req_by_msb(uri, "POST", data)
165 logger.error("Failed to call post_deal(%s): %s", ns_inst_id, ret[1])
166 logger.debug("Call post_deal(%s, %s) successfully.", ns_inst_id, status)
168 def update_job(job_id, progress, errcode, desc):
169 uri = "api/nslcm/v1/jobs/{jobId}".format(jobId=job_id)
170 data = json.JSONEncoder().encode({
171 "progress": progress,
175 restcall.req_by_msb(uri, "POST", data)
177 class JobWaitThread(Thread):
182 def __init__(self, inst_id, job_id, ns_job_id, index):
183 Thread.__init__(self)
184 self.inst_id = inst_id
186 self.ns_job_id = ns_job_id
188 self.retry_count = 60
189 self.interval_second = 3
193 response_id, new_response_id = 0, 0
194 job_end_normal, job_timeout = False, True
195 while count < self.retry_count:
197 time.sleep(self.interval_second)
198 uri = "/api/nslcm/v1/jobs/%s?responseId=%s" % (self.job_id, response_id)
199 ret = restcall.req_by_msb(uri, "GET")
201 logger.error("Failed to query job: %s:%s", ret[2], ret[1])
203 job_result = json.JSONDecoder().decode(ret[1])
204 if "responseDescriptor" not in job_result:
205 logger.error("Job(%s) does not exist.", self.job_id)
207 progress = job_result["responseDescriptor"]["progress"]
208 new_response_id = job_result["responseDescriptor"]["responseId"]
209 job_desc = job_result["responseDescriptor"]["statusDescription"]
210 if new_response_id != response_id:
211 logger.debug("%s:%s:%s", progress, new_response_id, job_desc)
212 response_id = new_response_id
214 if progress == JOB_ERROR:
216 logger.error("Job(%s) failed: %s", self.job_id, job_desc)
218 elif progress == 100:
219 job_end_normal, job_timeout = True, False
220 logger.info("Job(%s) ended normally", self.job_id)
223 logger.error("Job(%s) timeout", self.job_id)
224 if self.ns_job_id in g_jobs_status:
226 g_jobs_status[self.ns_job_id][self.index] = 0
228 def wait_until_jobs_done(g_job_id, jobs):
230 for inst_id, job_id, index in jobs:
231 job_threads.append(JobWaitThread(inst_id, job_id, g_job_id, index))
232 for t in job_threads:
234 for t in job_threads:
236 if g_job_id in g_jobs_status:
237 if sum(g_jobs_status[g_job_id]) > 0:
238 logger.error("g_jobs_status[%s]: %s", g_job_id, g_jobs_status[g_job_id])
239 raise NSLCMException("Some jobs failed!")
241 def confirm_vnf_status(vnf_inst_id):
242 uri = "api/nslcm/v1/ns/vnfs/{vnfInstId}".format(vnfInstId=vnf_inst_id)
243 ret = restcall.req_by_msb(uri, "GET")
245 raise NSLCMException("Failed to call get_vnf(%s)" % vnf_inst_id)
246 ret[1] = json.JSONDecoder().decode(ret[1])
248 vnf_status = ret[1]["vnfStatus"]
249 if vnf_status != "active":
250 raise NSLCMException("Status of VNF(%s) is not active" % vnf_inst_id)
252 def confirm_sfc_status(sfc_inst_id):
253 uri = "api/nslcm/v1/ns/sfcs/{sfcInstId}".format(sfcInstId=sfc_inst_id)
254 ret = restcall.req_by_msb(uri, "GET")
256 raise NSLCMException("Failed to call get_sfc(%s)" % sfc_inst_id)
257 ret[1] = json.JSONDecoder().decode(ret[1])
259 sfc_status = ret[1]["sfcStatus"]
260 if sfc_status != "active":
261 raise NSLCMException("Status of SFC(%s) is not active" % sfc_inst_id)