lcm/lcm/pub/utils/jobutil.py

   1 # Copyright 2017 ZTE Corporation.
   2 #
   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
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   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.
  14
  15 import datetime
  16 import logging
  17 import uuid
  18 import traceback
  19
  20 from functools import reduce
  21 from lcm.pub.database.models import JobStatusModel, JobModel
  22 from lcm.pub.utils import idutil
  23
  24 logger = logging.getLogger(__name__)
  25
  26
  27 def enum(**enums):
  28     return type('Enum', (), enums)
  29
  30
  31 JOB_STATUS = enum(PROCESSING=0, FINISH=1)
  32 JOB_MODEL_STATUS = enum(STARTED='started', PROCESSING='processing', FINISHED='finished', ERROR='error',
  33                         TIMEOUT='timeout')
  34 JOB_TYPE = enum(CREATE_VNF="create vnf", TERMINATE_VNF="terminate vnf", GRANT_VNF="grant vnf")
  35
  36
  37 class JobUtil(object):
  38     def __init__(self):
  39         pass
  40
  41     @staticmethod
  42     def __gen_job_id(job_name):
  43         return "%s-%s" % (job_name if job_name else "UnknownJob", uuid.uuid1())
  44
  45     @staticmethod
  46     def query_job_status(job_id, index_id=-1):
  47         # logger.info("Query job status, jobid =[%s], responseid [%d]" % (job_id, index_id))
  48         jobs = []
  49         if index_id < 0:
  50             row = JobStatusModel.objects.filter(jobid=job_id).order_by("-indexid").first()
  51             if row:
  52                 jobs.append(row)
  53         else:
  54             [jobs.append(job) for job in JobStatusModel.objects.filter(jobid=job_id).order_by("-indexid")
  55              if job.indexid > index_id]
  56
  57         # logger.info("Query job status, rows=%s" % str(jobs))
  58         return jobs
  59
  60     @staticmethod
  61     def is_job_exists(job_id):
  62         jobs = JobModel.objects.filter(jobid=job_id)
  63         return len(jobs) > 0
  64
  65     @staticmethod
  66     def create_job(inst_type, jobaction, inst_id, user='', job_id=None, res_name=''):
  67         if job_id is None:
  68             job_id = JobUtil.__gen_job_id(
  69                 '%s-%s-%s' % (str(inst_type).replace(' ', '_'), str(jobaction).replace(' ', '_'), str(inst_id)))
  70         job = JobModel()
  71         job.jobid = job_id
  72         job.jobtype = inst_type
  73         job.jobaction = jobaction
  74         job.resid = str(inst_id)
  75         job.status = JOB_STATUS.PROCESSING
  76         job.user = user
  77         job.starttime = datetime.datetime.now().strftime('%Y-%m-%d %X')
  78         job.progress = 0
  79         job.resname = res_name
  80         logger.debug("create a new job, jobid=%s, jobtype=%s, jobaction=%s, resid=%s, status=%d" %
  81                      (job.jobid, job.jobtype, job.jobaction, job.resid, job.status))
  82         job.save()
  83         return job_id
  84
  85     @staticmethod
  86     def clear_job(job_id):
  87         [job.delete() for job in JobModel.objects.filter(jobid=job_id)]
  88         logger.debug("Clear job, job_id=%s" % job_id)
  89
  90     @staticmethod
  91     def add_job_status(job_id, progress, status_decs, error_code=""):
  92         jobs = JobModel.objects.filter(jobid=job_id)
  93         if not jobs:
  94             logger.error("Job[%s] is not exists, please create job first." % job_id)
  95             raise Exception("Job[%s] is not exists." % job_id)
  96         try:
  97             int_progress = int(progress)
  98             job_status = JobStatusModel()
  99             job_status.indexid = int(idutil.get_auto_id(job_id))
 100             job_status.jobid = job_id
 101             job_status.status = "processing"
 102             job_status.progress = int_progress
 103
 104             if job_status.progress == 0:
 105                 job_status.status = "started"
 106             elif job_status.progress == 100:
 107                 job_status.status = "finished"
 108             elif job_status.progress == 101:
 109                 job_status.status = "partly_finished"
 110             elif job_status.progress > 101:
 111                 job_status.status = "error"
 112
 113             job_status.descp = status_decs
 114             job_status.errcode = error_code
 115             job_status.addtime = datetime.datetime.now().strftime('%Y-%m-%d %X')
 116             job_status.save()
 117             logger.debug("Add a new job status, jobid=%s, indexid=%d,"
 118                          " status=%s, description=%s, progress=%d, errcode=%s, addtime=%r" %
 119                          (job_status.jobid, job_status.indexid, job_status.status, job_status.descp,
 120                           job_status.progress, job_status.errcode, job_status.addtime))
 121
 122             job = jobs[0]
 123             job.progress = int_progress
 124             if job_status.progress >= 100:
 125                 job.status = JOB_STATUS.FINISH
 126                 job.endtime = datetime.datetime.now().strftime('%Y-%m-%d %X')
 127             job.save()
 128             logger.debug("update job, jobid=%s, progress=%d" % (job_status.jobid, int_progress))
 129         except:
 130             logger.error(traceback.format_exc())
 131
 132     @staticmethod
 133     def clear_job_status(job_id):
 134         [job.delete() for job in JobStatusModel.objects.filter(jobid=job_id)]
 135         logger.debug("Clear job status, job_id=%s" % job_id)
 136
 137     @staticmethod
 138     def get_unfinished_jobs(url_prefix, inst_id, inst_type):
 139         jobs = JobModel.objects.filter(resid=inst_id, jobtype=inst_type, status=JOB_STATUS.PROCESSING)
 140         progresses = reduce(lambda content, job: content + [url_prefix + "/" + job.jobid], jobs, [])
 141         return progresses