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# Copyright 2016 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 time
import datetime
import logging
import math
from lcm.pub.utils.jobutil import JobUtil, JOB_MODEL_STATUS
from lcm.pub.msapi.vnfmdriver import query_vnfm_job
from lcm.pub.utils.values import ignore_case_get
logger = logging.getLogger(__name__)
def calc_progress(vnfm_progress, target_range=None):
target_range = [0, 100] if not target_range else target_range
progress = int(vnfm_progress) if vnfm_progress else 0
if progress > 100:
return progress
floor_progress = int(math.floor(float(target_range[1] - target_range[0]) / 100 * progress))
target_range = floor_progress + target_range[0]
return target_range
def default_callback(vnfo_job_id, vnfm_job_id, job_status, jobs, progress_range, **kwargs):
for job in jobs:
progress = calc_progress(
ignore_case_get(job, 'progress'),
progress_range)
JobUtil.add_job_status(vnfo_job_id, progress,
ignore_case_get(job, 'statusdescription'),
ignore_case_get(job, 'errorcode'))
latest_progress = calc_progress(
ignore_case_get(job_status, 'progress'),
progress_range)
JobUtil.add_job_status(vnfo_job_id, latest_progress,
ignore_case_get(job_status, 'statusdescription'),
ignore_case_get(job_status, 'errorcode'))
jobstatus = ignore_case_get(job_status, 'status')
if jobstatus in (JOB_MODEL_STATUS.ERROR, JOB_MODEL_STATUS.FINISHED):
return True, jobstatus
return False, JOB_MODEL_STATUS.PROCESSING
def wait_job_finish(vnfm_id, vnfo_job_id, vnfm_job_id, progress_range=None, timeout=600,
job_callback=default_callback, **kwargs):
progress_range = [0, 100] if not progress_range else progress_range
response_id = 0
query_interval = 2
start_time = end_time = datetime.datetime.now()
while (end_time - start_time).seconds < timeout:
query_status, result = query_vnfm_job(vnfm_id, vnfm_job_id, response_id)
time.sleep(query_interval)
end_time = datetime.datetime.now()
if not query_status:
continue
job_status = ignore_case_get(result, 'responsedescriptor')
response_id_new = ignore_case_get(job_status, 'responseid')
if response_id_new == response_id:
continue
response_id = response_id_new
jobs = ignore_case_get(job_status, 'responsehistorylist', [])
if jobs:
jobs.reverse()
is_end, status = job_callback(vnfo_job_id, vnfm_job_id, job_status,
jobs, progress_range, **kwargs)
if is_end:
return status
return JOB_MODEL_STATUS.TIMEOUT
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