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#!/usr/bin/env python
#
# Copyright 2016 AT&T Intellectual Property, Inc
#
# 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.
#
# What this is: Monitor and closed-loop policy agent as part of the OPNFV VES
# vHello_VES demo.
#
# Status: this is a work in progress, under test.
import time
report_time = ""
request_rate = ""
app_state = ""
with open('/home/ubuntu/ves.log') as f:
while True:
line = f.readline()
if line:
# print "line: ", line,
if "lastEpochMicrosec" in line:
#0....5....1....5....2....5....3....5....4....5....5
# "lastEpochMicrosec": 1476552393091008,
# Note: the above is expected, but sometimes it's in a different position or
# corrupted with other output for some reason...
fields = line.split( )
e = fields[1][0:-1]
if e.isdigit():
# print "report_time: ", e, "\n"
report_time = time.strftime('%Y-%m-%d %H:%M:%S',
time.localtime(int(e)/1000000))
if "requestRate" in line:
#....5....1....5....2....5....3....5
# "requestRate": 2264,
request_rate = line[27:-2]
print '{0} app state: {1}\trequest rate: {2}'.format(
report_time, app_state, request_rate)
if "\"specificProblem\": \"Started\"" in line:
app_state = "Started"
print '{0} app state change: Started'.format(report_time)
if "\"specificProblem\": \"Stopped\"" in line:
app_state = "Stopped"
print '{0} app state change: Stopped'.format(report_time)
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