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.
16 from threading import Thread
19 from lcm.pub.utils.syscomm import fun_name
20 from lcm.pub.utils.values import ignore_case_get
21 from lcm.pub.utils import restcall
22 from lcm.pub.exceptions import NSLCMException
24 logger = logging.getLogger(__name__)
26 RESULT_OK, RESULT_NG = "0", "1"
35 "nsInstanceId": id of ns instance,
36 "object_context": json format of nsd,
37 "object_additionalParamForNs": json format of additional parameters for ns,
38 "object_additionalParamForVnf": json format of additional parameters for vnf,
39 "vlCount": int type of VL count,
40 "vnfCount: int type of VNF count,
41 "sfcCount": int type of SFC count,
42 "sdnControllerId": uuid of SDN controller
45 def run_ns_instantiate(input_data):
46 logger.debug("Enter %s, input_data is %s", fun_name(), input_data)
47 job_id = ignore_case_get(input_data, "jobId")
48 ns_inst_id = ignore_case_get(input_data, "nsInstanceId")
49 nsd_json = ignore_case_get(input_data, "object_context")
50 ns_param_json = ignore_case_get(input_data, "object_additionalParamForNs")
51 vnf_param_json = ignore_case_get(input_data, "object_additionalParamForVnf")
52 vl_count = ignore_case_get(input_data, "vlCount")
53 vnf_count = ignore_case_get(input_data, "vnfCount")
54 sfc_count = ignore_case_get(input_data, "sfcCount")
55 sdnc_id = ignore_case_get(input_data, "sdnControllerId")
56 g_jobs_status[job_id] = [1 for i in range(vnf_count)]
58 update_job(job_id, 10, "0", "Start to create VL")
59 for i in range(vl_count):
60 create_vl(ns_inst_id, i + 1, nsd_json, ns_param_json)
62 update_job(job_id, 30, "0", "Start to create VNF")
63 jobs = [create_vnf(ns_inst_id, i + 1, vnf_param_json) for i in range(vnf_count)]
64 wait_until_jobs_done(job_id, jobs)
66 [confirm_vnf_status(inst_id) for inst_id, _, _ in jobs]
68 update_job(job_id, 70, "0", "Start to create SFC")
69 jobs = [create_sfc(ns_inst_id, i + 1, nsd_json, sdnc_id) for i in range(sfc_count)]
70 wait_until_jobs_done(job_id, jobs)
72 [confirm_sfc_status(inst_id) for inst_id, _, _ in jobs]
74 update_job(job_id, 90, "0", "Start to post deal")
75 post_deal(ns_inst_id, "true")
77 update_job(job_id, 100, "0", "Create NS successfully.")
78 except NSLCMException as e:
79 logger.error("Failded to Create NS: %s", e.message)
80 update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
81 post_deal(ns_inst_id, "false")
83 logger.error(traceback.format_exc())
84 update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
85 post_deal(ns_inst_id, "false")
87 g_jobs_status.pop(job_id)
90 def create_vl(ns_inst_id, vl_index, nsd, ns_param):
91 uri = "api/nslcm/v1/ns/vls"
92 data = json.JSONEncoder().encode({
93 "nsInstanceId": ns_inst_id,
96 "additionalParamForNs": ns_param
99 ret = restcall.req_by_msb(uri, "POST", data)
101 logger.error("Failed to call create_vl(%s): %s", vl_index, ret[1])
102 raise NSLCMException("Failed to call create_vl(index is %s)" % vl_index)
104 result = str(ret[1]["result"])
105 detail = ret[1]["detail"]
106 vl_id = ret[1]["vlId"]
107 if result != RESULT_OK:
108 logger.error("Failed to create VL(%s): %s", vl_id, detail)
109 raise NSLCMException("Failed to create VL(%s)" % vl_id)
111 logger.debug("Create VL(%s) successfully.", vl_id)
113 def create_vnf(ns_inst_id, vnf_index, nf_param):
115 data = json.JSONEncoder().encode({
116 "nsInstanceId": ns_inst_id,
117 "vnfIndex": vnf_index,
118 "additionalParamForVnf": nf_param
121 ret = restcall.req_by_msb(uri, "POST", data)
123 logger.error("Failed to call create_vnf(%s): %s", vnf_index, ret[1])
124 raise NSLCMException("Failed to call create_vnf(index is %s)" % vnf_index)
126 vnf_inst_id = ret[1]["vnfInstId"]
127 job_id = ret[1]["jobId"]
128 logger.debug("Create VNF(%s) started.", vnf_inst_id)
129 return vnf_inst_id, job_id, vnf_index - 1
131 def create_sfc(ns_inst_id, fp_index, nsd_json, sdnc_id):
133 data = json.JSONEncoder().encode({
134 "nsInstanceId": ns_inst_id,
137 "sdnControllerId": sdnc_id
140 ret = restcall.req_by_msb(uri, "POST", data)
142 logger.error("Failed to call create_sfc(%s): %s", fp_index, ret[1])
143 raise NSLCMException("Failed to call create_sfc(index is %s)" % fp_index)
145 sfc_inst_id = ret[1]["sfcInstId"]
146 job_id = ret[1]["jobId"]
147 logger.debug("Create SFC(%s) started.", sfc_inst_id)
148 return sfc_inst_id, job_id, fp_index - 1
150 def post_deal(ns_inst_id, status):
151 uri = "/ns/{nsInstanceId}/postdeal".format(nsInstanceId=ns_inst_id)
152 data = json.JSONEncoder().encode({
156 ret = restcall.req_by_msb(uri, "POST", data)
158 logger.error("Failed to call post_deal(%s): %s", ns_inst_id, ret[1])
159 logger.debug("Call post_deal(%s) successfully.", ns_inst_id)
161 def update_job(job_id, progress, errcode, desc):
162 uri = "api/nslcm/v1/jobs/{jobId}".format(jobId=job_id)
163 data = json.JSONEncoder().encode({
164 "progress": progress,
168 restcall.req_by_msb(uri, "POST", data)
170 class JobWaitThread(Thread):
175 def __init__(self, inst_id, job_id, index):
176 Thread.__init__(self)
177 self.inst_id = inst_id
180 self.retry_count = 60
181 self.interval_second = 3
185 response_id, new_response_id = 0, 0
186 job_end_normal, job_timeout = False, True
187 while count < self.retry_count:
189 time.sleep(self.interval_second)
190 uri = "/api/nslcm/v1/jobs/%s?responseId=%s" % (self.job_id, response_id)
191 ret = restcall.req_by_msb(uri, "GET")
193 logger.error("Failed to query job: %s:%s", ret[2], ret[1])
195 job_result = json.JSONDecoder().decode(ret[1])
196 if "responseDescriptor" not in job_result:
197 logger.error("Job(%s) does not exist.", self.job_id)
199 progress = job_result["responseDescriptor"]["progress"]
200 new_response_id = job_result["responseDescriptor"]["responseId"]
201 job_desc = job_result["responseDescriptor"]["statusDescription"]
202 if new_response_id != response_id:
203 logger.debug("%s:%s:%s", progress, new_response_id, job_desc)
204 response_id = new_response_id
206 if progress == JOB_ERROR:
208 logger.error("Job(%s) failed: %s", self.job_id, job_desc)
210 elif progress == 100:
211 job_end_normal, job_timeout = True, False
212 logger.info("Job(%s) ended normally", self.job_id)
215 logger.error("Job(%s) timeout", self.job_id)
216 if self.job_id in g_jobs_status:
218 g_jobs_status[self.job_id][self.index] = 0
220 def wait_until_jobs_done(g_job_id, jobs):
222 for inst_id, job_id, index in jobs:
223 job_threads.append(JobWaitThread(inst_id, job_id, index))
224 for t in job_threads:
226 for t in job_threads:
228 if g_job_id in g_jobs_status:
229 if sum(g_jobs_status[g_job_id]) > 0:
230 raise NSLCMException("Some jobs failed!")
232 def confirm_vnf_status(vnf_inst_id):
233 uri = "api/nslcm/v1/ns/vnfs/{vnfInstId}".format(vnfInstId=vnf_inst_id)
234 ret = restcall.req_by_msb(uri, "GET")
236 raise NSLCMException("Failed to call get_vnf(%s)" % vnf_inst_id)
237 vnf_status = ret[1]["vnfStatus"]
238 if vnf_status != "active":
239 raise NSLCMException("Status of VNF(%s) is not active" % vnf_inst_id)
241 def confirm_sfc_status(sfc_inst_id):
242 uri = "api/nslcm/v1/ns/sfcs/{sfcInstId}".format(sfcInstId=sfc_inst_id)
243 ret = restcall.req_by_msb(uri, "GET")
245 raise NSLCMException("Failed to call get_sfc(%s)" % sfc_inst_id)
246 sfc_status = ret[1]["sfcStatus"]
247 if sfc_status != "active":
248 raise NSLCMException("Status of SFC(%s) is not active" % sfc_inst_id)