mirror of
https://gitlab.ub.uni-bielefeld.de/sfb1288inf/nopaque.git
synced 2025-10-31 18:42:45 +00:00
207 lines
9.7 KiB
Python
207 lines
9.7 KiB
Python
from datetime import datetime
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from werkzeug.utils import secure_filename
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from .. import db, mail
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from ..email import create_message
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from ..models import Job, JobResult
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import docker
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import logging
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import json
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import os
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# TODO: Integrate the service_settings into app/services/__init__.py
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service_settings = {
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'file-setup': {
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'default_args': ' --mem-mb 2048 --n-cores 2',
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'ressources': docker.types.Resources(cpu_reservation=2 * (10 ** 9),
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mem_reservation=2048 * (10 ** 6))
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},
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'nlp': {
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'default_args': ' --mem-mb 2048 --n-cores 2',
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'ressources': docker.types.Resources(cpu_reservation=2 * (10 ** 9),
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mem_reservation=2048 * (10 ** 6))
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},
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'ocr': {
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'default_args': ' --mem-mb 4096 --n-cores 4',
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'ressources': docker.types.Resources(cpu_reservation=4 * (10 ** 9),
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mem_reservation=4096 * (10 ** 6))
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}
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}
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class CheckJobsMixin:
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def check_jobs(self):
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jobs = Job.query.all()
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canceling_jobs = list(filter(lambda job: job.status == 'canceling', jobs)) # noqa
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queued_jobs = list(filter(lambda job: job.status == 'queued', jobs))
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running_jobs = list(filter(lambda job: job.status == 'running', jobs))
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submitted_jobs = list(filter(lambda job: job.status == 'submitted', jobs)) # noqa
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for job in submitted_jobs:
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self.create_job_service(job)
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for job in queued_jobs + running_jobs:
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self.checkout_job_service(job)
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for job in canceling_jobs:
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self.remove_job_service(job)
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def create_job_service(self, job):
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cmd = job.service
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cmd += ' -i /input'
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cmd += ' -o /output'
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cmd += ' --log-dir /input'
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cmd += ' --zip [{}]_{}'.format(job.service, secure_filename(job.title))
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cmd += service_settings[job.service]['default_args']
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cmd += ' ' + ' '.join(json.loads(job.service_args))
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# Setup input mount
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input_mount_src = job.path
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input_mount_dest = os.path.abspath('/input')
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if job.service == 'file-setup':
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input_mount_dest = os.path.join(input_mount_dest, secure_filename(job.title)) # noqa
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input_mount = '{}:{}:rw'.format(input_mount_src, input_mount_dest)
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# Setup output mount
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output_mount_src = os.path.join(job.path, 'output')
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output_mount_dest = os.path.abspath('/output')
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os.makedirs(output_mount_src)
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output_mount = '{}:{}:rw'.format(output_mount_src, output_mount_dest)
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service_kwargs = {'command': cmd,
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'constraints': ['node.role==worker'],
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'labels': {'origin': 'nopaque',
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'type': 'job',
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'job_id': str(job.id)},
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'mounts': [input_mount, output_mount],
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'name': 'job_{}'.format(job.id),
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'resources': service_settings[job.service]['ressources'], # noqa
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'restart_policy': docker.types.RestartPolicy()}
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service_image = 'gitlab.ub.uni-bielefeld.de:4567/sfb1288inf/{}:{}'.format(job.service, job.service_version) # noqa
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try:
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self.docker.services.create(service_image, **service_kwargs)
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except docker.errors.APIError as e:
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logging.error(
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'Create "{}" service raised '.format(service_kwargs['name'])
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+ '"docker.errors.APIError" The server returned an error. '
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+ 'Details: {}'.format(e)
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)
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return
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else:
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job.status = 'queued'
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patch_operation = {'op': 'replace', 'path': '/jobs/{}/status'.format(job.id), 'value': job.status} # noqa
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self.buffer_user_patch_operation(job, patch_operation)
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finally:
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self.send_job_notification(job)
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def checkout_job_service(self, job):
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service_name = 'job_{}'.format(job.id)
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try:
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service = self.docker.services.get(service_name)
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except docker.errors.NotFound:
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logging.error('Get "{}" service raised '.format(service_name)
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+ '"docker.errors.NotFound" The service does not exist. '
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+ '(job.status: {} -> failed)'.format(job.status))
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job.status = 'failed'
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patch_operation = {'op': 'replace', 'path': '/jobs/{}/status'.format(job.id), 'value': job.status} # noqa
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self.buffer_user_patch_operation(job, patch_operation)
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except docker.errors.APIError as e:
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logging.error(
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'Get "{}" service raised '.format(service_name)
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+ '"docker.errors.APIError" The server returned an error. '
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+ 'Details: {}'.format(e)
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)
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return
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except docker.errors.InvalidVersion:
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logging.error(
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'Get "{}" service raised '.format(service_name)
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+ '"docker.errors.InvalidVersion" One of the arguments is '
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+ 'not supported with the current API version.'
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)
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return
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else:
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service_tasks = service.tasks()
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if not service_tasks:
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return
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task_state = service_tasks[0].get('Status').get('State')
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if job.status == 'queued' and task_state != 'pending':
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job.status = 'running'
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patch_operation = {'op': 'replace', 'path': '/jobs/{}/status'.format(job.id), 'value': job.status} # noqa
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self.buffer_user_patch_operation(job, patch_operation)
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elif job.status == 'running' and task_state in ['complete', 'failed']:
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try:
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service.remove()
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except docker.errors.APIError as e:
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logging.error(
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'Remove "{}" service raised '.format(service_name)
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+ '"docker.errors.APIError" The server returned an error. ' # noqa
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+ 'Details: {}'.format(e)
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)
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return
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else:
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if task_state == 'complete':
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results_dir = os.path.join(job.path, 'output')
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result_files = filter(lambda x: x.endswith('.zip'),
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os.listdir(results_dir))
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for result_file in result_files:
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job_result = JobResult(filename=result_file, job=job) # noqa
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db.session.add(job_result)
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db.session.flush()
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db.session.refresh(job_result)
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patch_operation = {'op': 'add', 'path': '/jobs/{}/results/{}'.format(job.id, job_result.id), 'value': job_result.to_dict()} # noqa
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self.buffer_user_patch_operation(job, patch_operation) # noqa
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job.end_date = datetime.utcnow()
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patch_operation = {'op': 'replace', 'path': '/jobs/{}/end_date'.format(job.id), 'value': job.end_date.timestamp()} # noqa
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self.buffer_user_patch_operation(job, patch_operation)
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job.status = task_state
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patch_operation = {'op': 'replace', 'path': '/jobs/{}/status'.format(job.id), 'value': job.status} # noqa
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self.buffer_user_patch_operation(job, patch_operation)
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finally:
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self.send_job_notification(job)
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def remove_job_service(self, job):
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service_name = 'job_{}'.format(job.id)
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try:
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service = self.docker.services.get(service_name)
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except docker.errors.NotFound:
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job.status = 'canceled'
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patch_operation = {'op': 'replace', 'path': '/jobs/{}/status'.format(job.id), 'value': job.status} # noqa
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self.buffer_user_patch_operation(job, patch_operation)
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except docker.errors.APIError as e:
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logging.error(
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'Get "{}" service raised '.format(service_name)
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+ '"docker.errors.APIError" The server returned an error. '
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+ 'Details: {}'.format(e)
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)
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return
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except docker.errors.InvalidVersion:
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logging.error(
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'Get "{}" service raised '.format(service_name)
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+ '"docker.errors.InvalidVersion" One of the arguments is '
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+ 'not supported with the current API version.'
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)
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return
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else:
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try:
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service.update(mounts=None)
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except docker.errors.APIError as e:
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logging.error(
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'Update "{}" service raised '.format(service_name)
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+ '"docker.errors.APIError" The server returned an error. '
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+ 'Details: {}'.format(e)
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)
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return
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try:
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service.remove()
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except docker.errors.APIError as e:
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logging.error(
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'Remove "{}" service raised '.format(service_name)
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+ '"docker.errors.APIError" The server returned an error. '
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+ 'Details: {}'.format(e)
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)
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def send_job_notification(self, job):
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if job.creator.setting_job_status_mail_notifications == 'none':
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return
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if (job.creator.setting_job_status_mail_notifications == 'end'
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and job.status not in ['complete', 'failed']):
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return
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msg = create_message(job.creator.email,
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'Status update for your Job "{}"'.format(job.title), # noqa
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'tasks/email/notification', job=job)
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mail.send(msg)
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