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# Copyright 2019 Spirent Communications.
#
# 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.
"""
Collects information using various command line tools.
"""
#from tools.collectors.collector import collector
import glob
import logging
import os
from collections import OrderedDict
from tools import tasks
from tools.collectors.collector import collector
from conf import settings
class MultiCmd(collector.ICollector):
""" Multiple command-line controllers
collectd, prox, crond, filebeat
"""
def __init__(self, results_dir, test_name):
"""
initialize collectrs
"""
self.prox_home = settings.getValue('MC_PROX_HOME')
self.collectd_cmd = settings.getValue('MC_COLLECTD_CMD')
self.collectd_csv = settings.getValue('MC_COLLECTD_CSV')
self.prox_out = settings.getValue('MC_PROX_OUT')
self.prox_cmd = settings.getValue('MC_PROX_CMD')
self.cron_out = settings.getValue('MC_CRON_OUT')
self.logger = logging.getLogger(__name__)
self.results_dir = results_dir
self.collectd_pid = 0
self.prox_pid = 0
self.cleanup_collectd_metrics()
self.logger.debug('%s', 'Multicmd data for '+ str(test_name))
# There should not be a file by name stop in prox_home folder
# Else Prox will start and stop immediately. This is a Hack to
# control prox-runrapid, which by default runs for specified duration.
filename = os.path.join(self.prox_home, 'stop')
if os.path.exists(filename):
tasks.run_task(['sudo', 'rm', filename],
self.logger, 'deleting stop')
self.results = OrderedDict()
def cleanup_collectd_metrics(self):
"""
Cleaup the old or archived metrics
"""
for name in glob.glob(os.path.join(self.collectd_csv, '*')):
tasks.run_task(['sudo', 'rm', '-rf', name], self.logger,
'Cleaning up Metrics', True)
def start(self):
# Command-1: Start Collectd
self.collectd_pid = tasks.run_background_task(
['sudo', self.collectd_cmd],
self.logger, 'Staring Collectd')
# Command-2: Start PROX
working_dir = os.getcwd()
if os.path.exists(self.prox_home):
os.chdir(self.prox_home)
self.prox_pid = tasks.run_background_task(['sudo', self.prox_cmd,
'--test', 'irq',
'--env', 'irq'],
self.logger,
'Start PROX')
os.chdir(working_dir)
# Command-3: Start CROND
tasks.run_task(['sudo', 'systemctl', 'start', 'crond'],
self.logger, 'Staring CROND', True)
# command-4: BEATS
tasks.run_task(['sudo', 'systemctl', 'start', 'filebeat'],
self.logger, 'Starting BEATS', True)
def stop(self):
"""
Stop All commands
"""
# Command-1: COLLECTD
tasks.terminate_task_subtree(self.collectd_pid, logger=self.logger)
tasks.run_task(['sudo', 'pkill', '--signal', '2', 'collectd'],
self.logger, 'Stopping Collectd', True)
# Backup the collectd-metrics for this test into a results folder
# results_dir = os.path.join(settings.getValue('RESULTS_PATH'), '/')
tasks.run_task(['sudo', 'cp', '-r', self.collectd_csv,
self.results_dir], self.logger,
'Copying Collectd Results File', True)
self.cleanup_collectd_metrics()
# Command-2: PROX
filename = os.path.join(self.prox_home, 'stop')
if os.path.exists(self.prox_home):
tasks.run_task(['sudo', 'touch', filename],
self.logger, 'Stopping PROX', True)
outfile = os.path.join(self.prox_home, self.prox_out)
if os.path.exists(outfile):
tasks.run_task(['sudo', 'mv', outfile, self.results_dir],
self.logger, 'Moving PROX-OUT file', True)
# Command-3: CROND
tasks.run_task(['sudo', 'systemctl', 'stop', 'crond'],
self.logger, 'Stopping CROND', True)
if os.path.exists(self.cron_out):
tasks.run_task(['sudo', 'mv', self.cron_out, self.results_dir],
self.logger, 'Move Cron Logs', True)
# Command-4: BEATS
tasks.run_task(['sudo', 'systemctl', 'stop', 'filebeat'],
self.logger, 'Stopping BEATS', True)
def get_results(self):
"""
Return results
"""
return self.results
def print_results(self):
"""
Print results
"""
logging.info("Multicmd Output is not collected by VSPERF")
logging.info("Please refer to corresponding command's output")
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