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 g_jobs_status[job_id] = [1 for i in range(sfc_count)]
72 jobs = [create_sfc(ns_inst_id, i + 1, nsd_json, sdnc_id) for i in range(sfc_count)]
73 wait_until_jobs_done(job_id, jobs)
75 [confirm_sfc_status(inst_id) for inst_id, _, _ in jobs]
77 update_job(job_id, 90, "0", "Start to post deal")
78 post_deal(ns_inst_id, "true")
80 update_job(job_id, 100, "0", "Create NS successfully.")
81 ns_instantiate_ok = True
82 except NSLCMException as e:
83 logger.error("Failded to Create NS: %s", e.message)
84 update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
85 post_deal(ns_inst_id, "false")
87 logger.error(traceback.format_exc())
88 update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
89 post_deal(ns_inst_id, "false")
91 g_jobs_status.pop(job_id)
92 return ns_instantiate_ok
95 def create_vl(ns_inst_id, vl_index, nsd, ns_param):
96 uri = "api/nslcm/v1/ns/vls"
97 data = json.JSONEncoder().encode({
98 "nsInstanceId": ns_inst_id,
101 "additionalParamForNs": ns_param
104 ret = restcall.req_by_msb(uri, "POST", data)
106 logger.error("Failed to call create_vl(%s): %s", vl_index, ret[1])
107 raise NSLCMException("Failed to call create_vl(index is %s)" % vl_index)
108 ret[1] = json.JSONDecoder().decode(ret[1])
110 result = str(ret[1]["result"])
111 detail = ret[1]["detail"]
112 vl_id = ret[1]["vlId"]
113 if result != RESULT_OK:
114 logger.error("Failed to create VL(%s): %s", vl_id, detail)
115 raise NSLCMException("Failed to create VL(%s)" % vl_id)
117 logger.debug("Create VL(%s) successfully.", vl_id)
119 def create_vnf(ns_inst_id, vnf_index, nf_param):
120 uri = "api/nslcm/v1/ns/vnfs"
121 data = json.JSONEncoder().encode({
122 "nsInstanceId": ns_inst_id,
123 "vnfIndex": vnf_index,
124 "additionalParamForVnf": nf_param
127 ret = restcall.req_by_msb(uri, "POST", data)
129 logger.error("Failed to call create_vnf(%s): %s", vnf_index, ret[1])
130 raise NSLCMException("Failed to call create_vnf(index is %s)" % vnf_index)
131 ret[1] = json.JSONDecoder().decode(ret[1])
133 vnf_inst_id = ret[1]["vnfInstId"]
134 job_id = ret[1]["jobId"]
135 logger.debug("Create VNF(%s) started.", vnf_inst_id)
136 return vnf_inst_id, job_id, vnf_index - 1
138 def create_sfc(ns_inst_id, fp_index, nsd_json, sdnc_id):
139 uri = "api/nslcm/v1/ns/sfcs"
140 data = json.JSONEncoder().encode({
141 "nsInstanceId": ns_inst_id,
144 "sdnControllerId": sdnc_id
147 ret = restcall.req_by_msb(uri, "POST", data)
149 logger.error("Failed to call create_sfc(%s): %s", fp_index, ret[1])
150 raise NSLCMException("Failed to call create_sfc(index is %s)" % fp_index)
151 ret[1] = json.JSONDecoder().decode(ret[1])
153 sfc_inst_id = ret[1]["sfcInstId"]
154 job_id = ret[1]["jobId"]
155 logger.debug("Create SFC(%s) started.", sfc_inst_id)
156 return sfc_inst_id, job_id, fp_index - 1
158 def post_deal(ns_inst_id, status):
159 uri = "api/nslcm/v1/ns/{nsInstanceId}/postdeal".format(nsInstanceId=ns_inst_id)
160 data = json.JSONEncoder().encode({
164 ret = restcall.req_by_msb(uri, "POST", data)
166 logger.error("Failed to call post_deal(%s): %s", ns_inst_id, ret[1])
167 logger.debug("Call post_deal(%s, %s) successfully.", ns_inst_id, status)
169 def update_job(job_id, progress, errcode, desc):
170 uri = "api/nslcm/v1/jobs/{jobId}".format(jobId=job_id)
171 data = json.JSONEncoder().encode({
172 "progress": progress,
176 restcall.req_by_msb(uri, "POST", data)
178 class JobWaitThread(Thread):
183 def __init__(self, inst_id, job_id, ns_job_id, index):
184 Thread.__init__(self)
185 self.inst_id = inst_id
187 self.ns_job_id = ns_job_id
189 self.retry_count = 60
190 self.interval_second = 3
194 response_id, new_response_id = 0, 0
195 job_end_normal, job_timeout = False, True
196 while count < self.retry_count:
198 time.sleep(self.interval_second)
199 uri = "/api/nslcm/v1/jobs/%s?responseId=%s" % (self.job_id, response_id)
200 ret = restcall.req_by_msb(uri, "GET")
202 logger.error("Failed to query job: %s:%s", ret[2], ret[1])
204 job_result = json.JSONDecoder().decode(ret[1])
205 if "responseDescriptor" not in job_result:
206 logger.error("Job(%s) does not exist.", self.job_id)
208 progress = job_result["responseDescriptor"]["progress"]
209 new_response_id = job_result["responseDescriptor"]["responseId"]
210 job_desc = job_result["responseDescriptor"]["statusDescription"]
211 if new_response_id != response_id:
212 logger.debug("%s:%s:%s", progress, new_response_id, job_desc)
213 response_id = new_response_id
215 if progress == JOB_ERROR:
217 logger.error("Job(%s) failed: %s", self.job_id, job_desc)
219 elif progress == 100:
220 job_end_normal, job_timeout = True, False
221 logger.info("Job(%s) ended normally", self.job_id)
224 logger.error("Job(%s) timeout", self.job_id)
225 if self.ns_job_id in g_jobs_status:
227 g_jobs_status[self.ns_job_id][self.index] = 0
229 def wait_until_jobs_done(g_job_id, jobs):
231 for inst_id, job_id, index in jobs:
232 job_threads.append(JobWaitThread(inst_id, job_id, g_job_id, index))
233 for t in job_threads:
235 for t in job_threads:
237 if g_job_id in g_jobs_status:
238 if sum(g_jobs_status[g_job_id]) > 0:
239 logger.error("g_jobs_status[%s]: %s", g_job_id, g_jobs_status[g_job_id])
240 raise NSLCMException("Some jobs failed!")
242 def confirm_vnf_status(vnf_inst_id):
243 uri = "api/nslcm/v1/ns/vnfs/{vnfInstId}".format(vnfInstId=vnf_inst_id)
244 ret = restcall.req_by_msb(uri, "GET")
246 raise NSLCMException("Failed to call get_vnf(%s)" % vnf_inst_id)
247 ret[1] = json.JSONDecoder().decode(ret[1])
249 vnf_status = ret[1]["vnfStatus"]
250 if vnf_status != "active":
251 raise NSLCMException("Status of VNF(%s) is not active" % vnf_inst_id)
253 def confirm_sfc_status(sfc_inst_id):
254 uri = "api/nslcm/v1/ns/sfcs/{sfcInstId}".format(sfcInstId=sfc_inst_id)
255 ret = restcall.req_by_msb(uri, "GET")
257 raise NSLCMException("Failed to call get_sfc(%s)" % sfc_inst_id)
258 ret[1] = json.JSONDecoder().decode(ret[1])
260 sfc_status = ret[1]["sfcStatus"]
261 if sfc_status != "active":
262 raise NSLCMException("Status of SFC(%s) is not active" % sfc_inst_id)