From 905e00d214a703c521bfd91ae98201764b0c6ff0 Mon Sep 17 00:00:00 2001 From: Linghui Zeng Date: Wed, 20 Apr 2016 17:23:53 +0800 Subject: Add web server python code for data collection JIRA: PREDICTION-46 Change-Id: If34d6c965c432719d260df144afd16fa7f32971c Signed-off-by: Linghui Zeng --- predPy/collectData.py | 197 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 predPy/collectData.py diff --git a/predPy/collectData.py b/predPy/collectData.py new file mode 100644 index 0000000..a7296da --- /dev/null +++ b/predPy/collectData.py @@ -0,0 +1,197 @@ +# Copyright 2016 Huawei Technologies Co. Ltd. +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You 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. +# + +""" +Collect the wanted data by using ceilometer client to send HTTP request to +ceilometer server +""" + +# Import modules +import web +import subprocess +import ceilometerclient.client +import json +import readline # It automatically wraps studin + +urls = ( + '/', 'Index', + '/meter', 'Meter', + '/sample', 'Sample' +) + +app = web.application(urls, globals()) + +# Global variables +c_client = None +resource_id_list = [] +resource_id = None + +render = web.template.render('templates', base="layout") + + +class Index(object): + def GET(self): + return render.source() + + def POST(self): + form = web.input(content=None) + dumps = ('/usr/bin/python -c ' + '"import os, json; print json.dumps(dict(os.environ))"') + command = ['/bin/bash', '-c', form.content + '&&' + dumps] + pipe = subprocess.Popen(command, stdout=subprocess.PIPE) + env = json.loads(pipe.stdout.read()) + + # Create an authenticated ceilometer client + global c_client + c_client = ceilometerclient.client.get_client( + "2", os_username=env['OS_USERNAME'], + os_password=env['OS_PASSWORD'], + os_tenant_name=env['OS_TENANT_NAME'], + os_auth_url=env['OS_AUTH_URL']) + + resource_list = c_client.resources.list() + resourceInfo = open("templates/resourceInfo.html", "w") + index = 0 + resourceInfo.write("

All resource ids which can be measured " + "are listed as follows:

") + resourceInfo.write("
    \n") + for each in resource_list: + resourceInfo.write("
  1. resource_id_list[%d]: %s
    2. \n" % + (index, each.resource_id)) + index += 1 + global resource_id_list + resource_id_list.append(each.resource_id) + resourceInfo.write("
\n") + resourceInfo.write( + "

The following shows resources corresponding to resource ids: " + "

So you can collect what kind of data you like." + "Just type the number from 0 to 6

" + ) + + resourceInfo.write( + '
\n' + '\n' + '\n' + '
' + ) + resourceInfo.close() + return render.resourceInfo() + + +class Meter(object): + def POST(self): + form = web.input(number=None) + input_number = int(form.number) + global resource_id + resource_id = resource_id_list[input_number] + query_meter = [dict(field='resource_id', op='eq', value=resource_id)] + meter_list = c_client.meters.list(q=query_meter) + meter_name_list = [] + metersInfo = open("templates/metersInfo.html", "w") + metersInfo.write( + '

List meter names related with the resource id--%s as ' + 'follows:

\n' % resource_id) + metersInfo.write("
    \n") + for each in meter_list: + metersInfo.write("
  1. %s
    2. \n" % each.name) + meter_name_list.append(each.name) + metersInfo.write("
\n") + metersInfo.write( + "\n

You can collect whatever meters you like just by typing " + "the meter names and using ',' as the separator,\n e.g., " + "disk.read.requests.rate, disk.write.requests.rate, " + "disk.read.bytes.rate, disk.write.bytes.rate, cpu_util.

") + metersInfo.write( + "

At the same time, you need to specify the beginning time and " + "the end time for the collection. \nThe time format is fixed, " + "e.g., 2016-02-28T00:00:00.

") + + metersInfo.write( + '
\n' + 'Meters:\n' + '
\n' + 'Begin Time:' + '
\n' + 'End Time: \n' + '
\n' + '' + ) + metersInfo.close() + return render.metersInfo() + + +class Sample(object): + def POST(self): + form = web.input(sample=None, begin_time=None, end_time=None) + input_meters = form.sample + collect_meters = input_meters.split(",") + collect_meters = [meter.strip() for meter in collect_meters] + + collect_meter_samples = [] + for each in collect_meters: + query = [ + dict(field='resource_id', op='eq', value=resource_id), + dict(field='timestamp', op='ge', value=form.begin_time), + dict(field='timestamp', op='lt', value=form.end_time), + dict(field='meter', op='eq', value=each) + ] + (collect_meter_samples. + append(c_client.new_samples.list(q=query, limit=1000))) + # append(c_client.samples.list(each, limit=1000))) + fout = open('collectMeterSamples.arff', 'w') + head_info = ("% ARFF file for the collected meter samples " + "with some numeric feature from ceilometer API. \n \n" + "@relation collected samples for VMs on host \n \n" + "@attribute timestample \n" + "@attribute resource id \n") + + for each in collect_meters: + head_info = head_info + "@attribute %s \n" % each + + head_info = head_info + "@data \n \n" + fout.write(head_info) + + count = 0 + collect_meter_sample_values = [] + for each in collect_meter_samples[1:]: + each_sample_value = [] + for i in each: + # each_sample_value.append(str(i.counter_volume)) + each_sample_value.append(str(i.volume)) + collect_meter_sample_values.append(each_sample_value) + + for each in collect_meter_samples[0]: + fout.write(each.timestamp + ', ' + each.resource_id) + # fout.write(', ' + str(each.counter_volume)) + fout.write(', ' + str(each.volume)) + for i in collect_meter_sample_values: + fout.write(', ' + i[count]) + fout.write('\n') + count += 1 + + fout.close() + return render.meterSamples(count=count) + + +if __name__ == "__main__": + app.run() -- cgit 1.2.3-korg