Created
August 16, 2012 19:22
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Missing statsd dashboard additions to Graphite
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# Add to /opt/graphite/webapp/graphite/render/functions.py (Around the "def movingAverage(" line): | |
def historicalAverage(requestContext, seriesLists, points=7, offset=86400, highPassCount=1, lowPassCount=1): | |
historicalLists = [] | |
for series in seriesLists: | |
hlist = [] | |
for i in range(1,points+1): | |
tShift = str(offset * i) + "s" | |
shiftedSeries = timeShift(requestContext, [series], tShift) | |
hlist.append(shiftedSeries[0]) | |
(hlist,start,end,step) = normalize([hlist]) | |
values = (filterAvg(row, highPassCount, lowPassCount) for row in izip(*hlist) ) | |
name = "historicalAverage(%s,%d,%d,%d,%d)" % (series.name, points, offset, highPassCount, lowPassCount) | |
return [TimeSeries(name,start,end,step,values)] | |
def filterAvg(row, highPassCount, lowPassCount): | |
vals = sorted(row) | |
if (highPassCount > 0): | |
del vals[:highPassCount] | |
if (lowPassCount > 0): | |
del vals[-lowPassCount:] | |
return safeDiv(safeSum(vals), safeLen(vals)) | |
def fillValue(seriesList, placeholder=0): | |
for series in seriesList: | |
series.name = "fillValue(%s, %i)" % (series.name, placeholder) | |
for i,value in enumerate(series): | |
if value is None and i != 0: | |
value = placeholder | |
series[i] = value | |
return seriesList | |
# Search for "# Special functions" and add the following lines around the "'keepLastValue' : keepLastValue," line: | |
'historicalAverage' : historicalAverage, | |
'filterAvg' : filterAvg, | |
'fillValue' : fillValue, | |
# Restart apache: sudo /etc/init.d/apache2 reload |
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