def main():
now = round(datetime.now().timestamp())
oneminago = now - 60
cmd = f'-s {oneminago} -e {now} --step 2 --json DEF:a=db.rrd:Package_id_0:AVERAGE XPORT:a'
print(cmd)
js = rrdtool.xport('-s', str(oneminago), '-e', str(now), '--step', '2',
'--json', 'DEF:a=db.rrd:ssCpuUser:AVERAGE', 'XPORT:a')
print(js)
def test_xport(rrd_database, bounds, result):
"Test python binding and that direct memory access behaves correctly"
qstart, qend = bounds
assert (rrdtool.xport([
"DEF:fir=%s:one:AVERAGE" % rrd_database,
"XPORT:fir",
"-s",
str(qstart),
"-e",
str(qend),
]) == result)
def xport(self):
rrd_args = ["--start", self.start_point, "--end", self.end_point]
for column in self.list_ds:
rrd_args.append("DEF:" + column + "=" + self.file + ":" + column +
":AVERAGE")
rrd_args.append("CDEF:cdef_" + column + "=" + column + ",1,*")
rrd_args.append("XPORT:" + column + ":\"" + column + "\"")
res_xport = rrdtool.xport(rrd_args)
return res_xport
def create_file(self):
"""Flush the rrd_cache if it's necessary, then get the rrd-config, generate the graph(s) and merge them to a single file"""
graphs = []
if not self.end or self.end > time.time() - self.__rrd_update_interval:
self.flush_rrd_cache()
if self.output_format == 'csv':
for tmpl_params in self.template.rrd_params:
graphs.append(rrdtool.xport(*tmpl_params))
self._file = self.merge_files(graphs)
else:
for tmpl_params in self.template.rrd_params:
graphs.append(rrdtool.graphv('-', *tmpl_params))
self._file = self.merge_files(graphs)
if not self._file:
PyNPException('No graph was generated')
def get_data(timeFrame):
startTime = "now-%s" % timeFrame
print startTime
jsonData = rrdtool.xport("--start",
startTime.encode('ascii', 'ignore'),
"--end",
"now",
"--step",
"300",
"DEF:a="+dataFile+":cpuTemp:AVERAGE",
"DEF:b="+dataFile+":boardTemp:AVERAGE",
"DEF:c="+dataFile+":calibTemp:AVERAGE",
"DEF:d="+dataFile+":atm:AVERAGE",
"DEF:e="+dataFile+":light:AVERAGE",
'XPORT:a:"CPU Temp"',
'XPORT:b:"Board Temp"',
'XPORT:c:"Estimated Temp"',
'XPORT:d:"Atmospheric Pressure"',
'XPORT:e:"Light"')
return jsonData
def rrd(file, ds):
data = {'max': None, 'avg': None}
try:
max_data = rrdtool.xport('DEF:%s=%s:%s:LAST' % (ds, file, ds), '-s',
'-30d', '-e', 'now', 'XPORT:%s:last' % ds)
start_max = max_data['meta']['start']
end_max = max_data['meta']['end']
ds_max = max(max_data['data'])
ds_avg = [
int(i[0]) for i in max_data['data'] if i[0] != None
if int(i[0]) != 0
]
start_max_stamp = datetime.fromtimestamp(start_max)
start_max_time = start_max_stamp.strftime('%Y-%m-%d %H:%M:%S')
end_max_stamp = datetime.fromtimestamp(end_max)
end_max_time = end_max_stamp.strftime('%Y-%m-%d %H:%M:%S')
d_max = {'start': None, 'end': None, 'data': None}
d_avg = {'start': None, 'end': None, 'data': None}
d_max['start'] = start_max_time
d_max['end'] = end_max_time
d_max['data'] = int(ds_max[0])
d_avg['start'] = start_max_time
d_avg['end'] = end_max_time
d_avg['data'] = average(ds_avg)
data['max'] = d_max
data['avg'] = d_avg
return data
except Exception as msg:
return data, msg
import rrdtool
ret = rrdtool.xport ('--start 1355312020', '--end 1355314500',
'DEF:x=./xo_stats/abacus.rrd:active:AVERAGE',
'XPORT:x:"Ativitye active"')
if ret:
print rrdtool.error()
else:
print "OK"