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#!/usr/bin/env python
#
# Copyright (C) 2018 The Android Open Source Project
#
# 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 datetime
import webapp2
from webapp.src import vtslab_status as Status
from webapp.src.proto import model
from webapp.src.utils import logger
JOB_RESPONSE_TIMEOUT_SECONDS = 300
class PeriodicJobHeartBeat(webapp2.RequestHandler):
"""Main class for /tasks/job_heartbeat.
Used to find lost jobs and change their status properly.
Attributes:
logger: Logger class
"""
logger = logger.Logger()
def get(self):
"""Generates an HTML page based on the jobs kept in DB."""
self.logger.Clear()
job_query = model.JobModel.query(
model.JobModel.status == Status.JOB_STATUS_DICT["leased"]
)
jobs = job_query.fetch()
lost_jobs = []
for job in jobs:
if job.heartbeat_stamp:
job_timestamp = job.heartbeat_stamp
else:
job_timestamp = job.timestamp
if (datetime.datetime.now() -
job_timestamp).seconds >= JOB_RESPONSE_TIMEOUT_SECONDS:
lost_jobs.append(job)
for job in lost_jobs:
self.logger.Println("Lost job found")
self.logger.Println(
"[hostname]{} [device]{} [test_name]{}".format(
job.hostname, job.device, job.test_name))
job.status = Status.JOB_STATUS_DICT["infra-err"]
job.put()
device_query = model.DeviceModel.query(
model.DeviceModel.serial.IN(job.serial)
)
devices = device_query.fetch()
for device in devices:
device.scheduling_status = Status.DEVICE_SCHEDULING_STATUS_DICT[
"free"]
device.put()
self.response.write(
"<pre>\n" + "\n".join(self.logger.Get()) + "\n</pre>")
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