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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# * Copyright (C) 2013 Adiscon GmbH.
# * This file is part of RSyslog
# *
# * This script processes csv stats logfiles created by statslog-splitter.py and creates graphs
# * Dependecies: - python pip -> Needed to install python packages
# * - python cairosvg -> Needed for PNG converting support!
# * - Install python packages using this command:
# * pip install CairoSVG tinycss cssselect pygal
# *
import sys
import datetime
import time
import os
import pygal
# Set default variables
szInput = ""
szOutputFile = ""
bHelpOutput = False
nMaxDataCount = 25
bUseDateTime = True
bLineChart = True
bBarChart = False
bConvertPng = False
bLogarithmicChart = False
bFilledLineChart = False
bChartCalcDelta = False
# Init variables
aFields = []
aData = {}
aMajorXData = []
# Helper variables
nDataRecordCound = 0
nLineCount = 0
iStartSeconds = 0
# Process Arguments
for arg in sys.argv: # [-4:]:
if arg.find("--input=") != -1:
szInput = arg[8:]
elif arg.find("--outputfile=") != -1:
szOutputFile = arg[13:]
elif arg.find("--maxdataxlabel=") != -1:
nMaxDataCount = int(arg[16:])
elif arg.find("--xlabeldatetime") != -1:
bUseDateTime = True
elif arg.find("--xlabelseconds") != -1:
bUseDateTime = False
elif arg.find("--convertpng") != -1:
bConvertPng = True
elif arg.find("--linechart") != -1:
bLineChart = True
bBarChart = False
elif arg.find("--barchart") != -1:
bLineChart = False
bBarChart = True
elif arg.find("--logarithmic") != -1:
bLogarithmicChart = True
elif arg.find("--filledlinechart") != -1:
bFilledLineChart = True
elif arg.find("--chartscalcdelta") != -1:
bChartCalcDelta = True
elif arg.find("--h") != -1 or arg.find("-h") != -1 or arg.find("--help") != -1:
bHelpOutput = True
if bHelpOutput == True:
print "\n\nStatslog-graph command line options:"
print "======================================="
print " --input=<filename> Contains the path and filename of your impstats logfile. "
print " Default is 'rsyslog-stats.log' \n"
print " --outputfile=<dir> Output directory and file to be used. "
print " Default is '" + szOutputFile + "'. "
print " --maxdataxlabel=<num> Max Number of data shown on the x-label."
print " Default is 25 label entries."
print " --xlabeldatetime Use Readable Datetime for x label data. (Cannot be used with --xlabelseconds)"
print " Default is enabled."
print " --xlabelseconds Use seconds instead of datetime, starting at 0. (Cannot be used with --xlabeldatetime)"
print " Default is disabled."
print " --linechart Generates a Linechart (Default chart mode) (Cannot be used with --barchart)"
print " --barchart Generates a Barchart (Cannot be used with --linechart)"
print " --logarithmic Uses Logarithmic to scale the Y Axis, maybe useful in some cases. Default is OFF"
print " --filledlinechart Use filled lines on Linechart, maybe useful in some cases. Default is OFF"
print " --chartscalcdelta If set, charts will use calculated delta values instead of cumulative values."
print " --convertpng Generate PNG Output rather than SVG. "
print " Default is SVG output."
print " --h / -h / --help Displays this help message. \n"
print "\n Sampleline: ./statslog-graph.py --input=imuxsock.csv --outputfile=/home/user/csvgraphs/imuxsock.svg"
else:
# Generate output filename
if len(szInput) > 0:
# Only set output filename if not specified
if len(szOutputFile) == 0:
if szInput.rfind(".") == -1:
szOutputFile += szInput + ".svg"
else:
szOutputFile += szInput[:-4] + ".svg"
else:
print "Error, no input file specified!"
sys.exit(0)
# Process inputfile
inputfile = open(szInput, 'r')
aLineDataPrev = [] # Helper variable for previous line!
for line in inputfile.readlines():
if nLineCount == 0:
aFields = line.strip().split(";")
# remove last item if empty
if len(aFields[len(aFields)-1]) == 0:
aFields.pop()
#print aFields
#sys.exit(0)
#Init data arrays
for field in aFields:
aData[field] = []
else:
aLineData = line.strip().split(";")
# remove last item if empty
if len(aLineData[len(aLineData)-1]) == 0:
aLineData.pop()
# Loop Through line data
iFieldNum = 0
for field in aFields:
if iFieldNum == 0:
if bUseDateTime:
aData[field].append( datetime.datetime.strptime(aLineData[iFieldNum],"%Y/%b/%d %H:%M:%S") )
else:
# Convert Time String into UNIX Timestamp
myDateTime = datetime.datetime.strptime(aLineData[iFieldNum],"%Y/%b/%d %H:%M:%S")
iTimeStamp = int(time.mktime(myDateTime.timetuple()))
# Init Start Seconds
if iStartSeconds == 0:
iStartSeconds = iTimeStamp
# Set data field
aData[field].append( iTimeStamp - iStartSeconds )
elif iFieldNum > 2:
# Check if we need to calculate Deltas!
if bChartCalcDelta and len(aLineDataPrev) > 0:
iPreviousVal = int(aLineDataPrev[iFieldNum])
iCurrentVal = int(aLineData[iFieldNum])
if iCurrentVal != 0: # Calc DELTA
aData[field].append(iCurrentVal - iPreviousVal)
else: # Don't Calc delta value!
aData[field].append( iCurrentVal )
else:
aData[field].append( int(aLineData[iFieldNum]) )
else:
aData[field].append( aLineData[iFieldNum] )
iFieldNum += 1
# print aData[field[nLineCount]]
# Increment counter
nDataRecordCound += 1
# in case deltas need to be calculated, Store current line into previous line
if bChartCalcDelta:
aLineDataPrev = aLineData
# Increment counter
nLineCount += 1
# if nLineCount > 25:
# break
# if nMaxDataCount > 0:
# # Check if we need to reduce the data amount
# nTotalDataCount = len( aData[aFields[0]] )
# nDataStepCount = nTotalDataCount / (nMaxDataCount)
# if nTotalDataCount > nMaxDataCount:
# for iDataNum in reversed(range(0, nTotalDataCount)):
# # Remove all entries who
# if iDataNum % nDataStepCount == 0:
# aMajorXData.append( aData[aFields[0]][iDataNum] )
# Import Style
# from pygal.style import LightSolarizedStyle
# Create Config object
from pygal import Config
chartCfg = Config()
chartCfg.show_legend = True
chartCfg.human_readable = True
chartCfg.pretty_print=True
if bFilledLineChart:
chartCfg.fill = True
else:
chartCfg.fill = False
chartCfg.x_scale = 1
chartCfg.y_scale = 1
chartCfg.x_label_rotation = 45
chartCfg.include_x_axis = True
chartCfg.show_dots=False
if nMaxDataCount > 0:
chartCfg.show_minor_x_labels=False
chartCfg.x_labels_major_count=nMaxDataCount
chartCfg.js = [ 'svg.jquery.js','pygal-tooltips.js' ] # Use script from local
# chartCfg.style = LightSolarizedStyle
chartCfg.print_values = False
chartCfg.print_zeroes = True
chartCfg.no_data_text = "All values are 0"
if bLogarithmicChart:
chartCfg.logarithmic=True # Makes chart Y-Axis data more readable
# Create Linechart
if bLineChart:
myChart = pygal.Line(chartCfg)
myChart.title = 'Line Chart of "' + szInput + '"'
myChart.x_title = "Time elasped in seconds"
myChart.x_labels = map(str, aData[aFields[0]] )
# myChart.x_labels_major = map(str, aMajorXData )
for iChartNum in range(3, len(aFields) ):
myChart.add(aFields[iChartNum], aData[ aFields[iChartNum] ]) # Add some values
# Create BarChart
elif bBarChart:
myChart = pygal.Bar(chartCfg)
myChart.title = 'Bar Chart of "' + szInput + '"'
myChart.x_title = "Time elasped in seconds"
myChart.x_labels = map(str, aData[aFields[0]] )
# myChart.x_labels_major = map(str, aMajorXData )
for iChartNum in range(3, len(aFields) ):
myChart.add(aFields[iChartNum], aData[ aFields[iChartNum] ]) # Add some values
# Render Chart now and output to file!
myChart.render_to_file(szOutputFile)
# Convert to PNG and remove SVG
if bConvertPng:
szPngFileName = szOutputFile[:-4] + ".png"
iReturn = os.system("cairosvg " + szOutputFile + " -f png -o " + szPngFileName)
print "File SVG converted to PNG: '" + szPngFileName + "', return value of cairosvg: " + str(iReturn)
os.remove(szOutputFile)
# Finished
sys.exit(0)
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