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# Copyright 2018 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import logging
import traceback
from threading import Thread
from lcm.pub.utils.syscomm import fun_name
from lcm.pub.utils.values import ignore_case_get
from lcm.pub.utils import restcall
from lcm.pub.exceptions import NSLCMException
from lcm.workflows.graphflow.flow.flow import GraphFlow
from lcm.ns.biz.ns_lcm_op_occ import NsLcmOpOcc
logger = logging.getLogger(__name__)
RESULT_OK, RESULT_NG = "0", "1"
JOB_ERROR = 255
config = {
"CreateVnf": {"module": "lcm.ns_vnfs", "class": "CreateVnf"},
"CreatePnf": {"module": "lcm.ns_pnfs", "class": "CreatePnf"},
"CreateVl": {"module": "lcm.ns_vls", "class": "CreateVl"}
}
class NsInstantiateWorkflowThread(Thread):
def __init__(self, plan_input, occ_id):
Thread.__init__(self)
self.plan_input = plan_input
self.occ_id = occ_id
def run(self):
run_ns_instantiate(self.plan_input, self.occ_id)
def run_ns_instantiate(input_data, occ_id):
"""
format of input_data
{
"jobId": uuid of job,
"nsInstanceId": id of ns instance,
"object_context": json format of nsd,
"object_additionalParamForNs": json format of additional parameters for ns,
"object_additionalParamForVnf": json format of additional parameters for vnf,
"object_additionalParamForPnf": json format of additional parameters for pnf,
"vlCount": int type of VL count,
"vnfCount: int type of VNF count
}
"""
logger.debug("Enter %s, input_data is %s", fun_name(), input_data)
ns_inst_id = ignore_case_get(input_data, "nsInstanceId")
job_id = ignore_case_get(input_data, "jobId")
update_job(job_id, 10, "true", "Start to prepare the NS instantiate workflow parameter")
deploy_graph = build_deploy_graph(input_data)
TaskSet = build_TaskSet(input_data)
ns_instantiate_ok = False
try:
update_job(job_id, 15, "true", "Start the NS instantiate workflow")
gf = GraphFlow(deploy_graph, TaskSet, config)
logger.debug("NS graph flow run up!")
gf.start()
gf.join()
gf.task_manager.wait_tasks_done(gf.sort_nodes)
if gf.task_manager.is_all_task_finished():
logger.debug("NS is instantiated!")
update_job(job_id, 90, "true", "Start to post deal")
post_deal(ns_inst_id, "true")
update_job(job_id, 100, "true", "Create NS successfully.")
NsLcmOpOcc.update(occ_id, "COMPLETED")
ns_instantiate_ok = True
except NSLCMException as e:
logger.error("Failded to Create NS: %s", e.message)
update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
NsLcmOpOcc.update(occ_id, operationState="FAILED", error=e.message)
post_deal(ns_inst_id, "false")
except Exception as e:
logger.error(traceback.format_exc())
update_job(job_id, JOB_ERROR, "255", "Failded to Create NS.")
NsLcmOpOcc.update(occ_id, operationState="FAILED", error=e.message)
post_deal(ns_inst_id, "false")
return ns_instantiate_ok
def build_deploy_graph(input_data):
nsd_json_str = ignore_case_get(input_data, "object_context")
nsd_json = json.JSONDecoder().decode(nsd_json_str)
deploy_graph = ignore_case_get(nsd_json, "graph")
logger.debug("NS graph flow: %s" % deploy_graph)
return deploy_graph
def build_vls(input_data):
ns_inst_id = ignore_case_get(input_data, "nsInstanceId")
nsd_json = json.JSONDecoder().decode(ignore_case_get(input_data, "object_context"))
ns_param_json = ignore_case_get(input_data, "object_additionalParamForNs")
vl_count = int(ignore_case_get(input_data, "vlCount", 0))
vls = {}
for i in range(vl_count):
data = {
"nsInstanceId": ns_inst_id,
"vlIndex": i,
"context": nsd_json,
"additionalParamForNs": ns_param_json
}
key = nsd_json["vls"][i - 1]["vl_id"]
vls[key] = {
"type": "CreateVl",
"input": {
"content": data
}
}
return vls
def build_vnfs(input_data):
ns_inst_id = ignore_case_get(input_data, "nsInstanceId")
vnf_count = int(ignore_case_get(input_data, "vnfCount", 0))
vnf_param_json = json.JSONDecoder().decode(ignore_case_get(input_data, "object_additionalParamForVnf"))
vnfs = {}
for i in range(vnf_count):
data = {
"nsInstanceId": ns_inst_id,
"vnfIndex": i,
"additionalParamForVnf": vnf_param_json
}
key = vnf_param_json[i - 1]["vnfProfileId"]
vnfs[key] = {
"type": "CreateVnf",
"input": {
"content": data
}
}
return vnfs
def build_pnfs(input_data):
return json.JSONDecoder().decode(ignore_case_get(input_data, "object_additionalParamForPnf"))
def build_TaskSet(input_data):
vls = build_vls(input_data)
vnfs = build_vnfs(input_data)
pnfs = build_pnfs(input_data)
task_set = dict(dict(vls, **vnfs), **pnfs)
return task_set
def post_deal(ns_inst_id, status):
uri = "api/nslcm/v1/ns/{nsInstanceId}/postdeal".format(nsInstanceId=ns_inst_id)
data = json.JSONEncoder().encode({
"status": status
})
ret = restcall.req_by_msb(uri, "POST", data)
if ret[0] != 0:
logger.error("Failed to call post_deal(%s): %s", ns_inst_id, ret[1])
logger.debug("Call post_deal(%s, %s) successfully.", ns_inst_id, status)
def update_job(job_id, progress, errcode, desc):
logger.debug("job_id %s" % job_id)
uri = "api/nslcm/v1/jobs/{jobId}".format(jobId=job_id)
data = json.JSONEncoder().encode({
"progress": progress,
"errcode": errcode,
"desc": desc
})
ret = restcall.req_by_msb(uri, "POST", data)
return ret
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