def create(stringName, key):
if debug: print "Enter Function create(stringName, key)"
# Let's create and RRD file and dump some data in it
dss = []
ds1 = DS(dsName='kW', dsType='GAUGE', heartbeat=600) #alle 10 Minuten einen Wert
dss.append(ds1)
rras = [] #round robin archives mit, xff=0.5 also wenn 20 Minuten kein wert kommt wirds leer angezeigt:
rra1 = RRA(cf='AVERAGE', xff=0.5, steps=1, rows=144) #alle 10 Minuten ein Wert
rra2 = RRA(cf='AVERAGE', xff=0.5, steps=6, rows=24) #24h mal 1h
rra3 = RRA(cf='AVERAGE', xff=0.5, steps=24, rows=30) #30 Tage mal 24h
rra4 = RRA(cf='AVERAGE', xff=0.5, steps=30, rows=12) #12 Monate mal 30 Tage
rra5 = RRA(cf='AVERAGE', xff=0.5, steps=12, rows=10) #10 Jahre mal 12 Monate
rras.append(rra1)
rras.append(rra2)
rras.append(rra3)
rras.append(rra4)
rras.append(rra5)
#round robbin database file anlegen mit der Startzeit startTime (jetzt)
#myRRD = RRD(baseDir + stringName + "_" + key + ".rrd", ds=dss, rra=rras, start=startTime)
myRRD = RRD(baseDir + stringName + "_" + key + ".rrd", ds=dss, rra=rras, start=1483228800)
myRRD.create()
myRRD.update()
if debug: myRRD.info()
class ExternalBackendTestCase(TestCase):
def setUp(self):
ds = [DataSource(dsName="speed", dsType="COUNTER", heartbeat=600)]
rra = [
RRA(cf="AVERAGE", xff=0.5, steps=1, rows=24),
RRA(cf="AVERAGE", xff=0.5, steps=6, rows=10)
]
self.rrdfile = tempfile.NamedTemporaryFile()
self.rrd = RRD(self.rrdfile.name, ds=ds, rra=rra, start=920804400)
self.rrd.create()
def test_updateError(self):
self.rrd.bufferValue(1261214678, 612)
self.rrd.bufferValue(1261214678, 612)
self.assertRaises(ExternalCommandError, self.rrd.update)
expected = ("illegal attempt to update using time 1261214678 "
"when last update time is 1261214678 (minimum one second "
"step)")
try:
self.rrd.update()
except ExternalCommandError as error:
self.assertTrue(str(error).startswith("ERROR:"))
self.assertTrue(str(error).endswith(expected))
def test_infoWriteMode(self):
expectedOutput = """
rra = [{'rows': 24, 'database': None, 'cf': 'AVERAGE', 'cdp_prep': None, 'beta': None, 'seasonal_period': None, 'steps': 1, 'window_length': None, 'threshold': None, 'alpha': None, 'pdp_per_row': None, 'xff': 0.5, 'ds': [], 'gamma': None, 'rra_num': None}, {'rows': 10, 'database': None, 'cf': 'AVERAGE', 'cdp_prep': None, 'beta': None, 'seasonal_period': None, 'steps': 6, 'window_length': None, 'threshold': None, 'alpha': None, 'pdp_per_row': None, 'xff': 0.5, 'ds': [], 'gamma': None, 'rra_num': None}]
filename = /tmp/tmpQCLRj0
start = 920804400
step = 300
values = []
ds = [{'name': 'speed', 'min': 'U', 'max': 'U', 'unknown_sec': None, 'minimal_heartbeat': 600, 'value': None, 'rpn': None, 'type': 'COUNTER', 'last_ds': None}]
ds[speed].name = speed
ds[speed].min = U
ds[speed].max = U
ds[speed].minimal_heartbeat = 600
ds[speed].type = COUNTER
rra[0].rows = 24
rra[0].cf = AVERAGE
rra[0].steps = 1
rra[0].xff = 0.5
rra[0].ds = []
rra[1].rows = 10
rra[1].cf = AVERAGE
rra[1].steps = 6
rra[1].xff = 0.5
rra[1].ds = []
""".strip().split("\n")
originalStdout = sys.stdout
sys.stdout = StringIO()
self.assertTrue(os.path.exists(self.rrdfile.name))
self.rrd.info()
for obtained, expected in zip(sys.stdout.getvalue().split("\n"),
expectedOutput):
if obtained.startswith("filename"):
self.assertTrue(expected.strip().startswith("filename"))
else:
self.assertEquals(obtained.strip(), expected.strip())
sys.stdout = originalStdout
def update(stringName, timestamp, key, value):
if debug: print "Enter Function update(stringName, key, value)"
#round robbing database file öffnen
myRRD = RRD(baseDir + stringName + "_" + key + ".rrd")
#Wert in round robbin database eintragen
try:
myRRD.bufferValue(timestamp, value)
myRRD.update()
except:
print "value in the past"
if debug: myRRD.info()
def test_infoReadMode(self):
expectedOutput = """
filename = "/tmp/tmpP4bTTy"
rrd_version = "0003"
step = 300
last_update = 920804400
header_size = 800
ds[speed].index = 0
ds[speed].type = "COUNTER"
ds[speed].minimal_heartbeat = 600
ds[speed].min = NaN
ds[speed].max = NaN
ds[speed].last_ds = "U"
ds[speed].value = 0.0000000000e+00
ds[speed].unknown_sec = 0
rra[0].cf = "AVERAGE"
rra[0].rows = 24
rra[0].cur_row = 3
rra[0].pdp_per_row = 1
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = NaN
rra[0].cdp_prep[0].unknown_datapoints = 0
rra[1].cf = "AVERAGE"
rra[1].rows = 10
rra[1].cur_row = 2
rra[1].pdp_per_row = 6
rra[1].xff = 5.0000000000e-01
rra[1].cdp_prep[0].value = NaN
rra[1].cdp_prep[0].unknown_datapoints = 0
"""
rrd = RRD(filename=self.rrdfile.name, mode="r", backend=bindings)
output = StringIO()
self.assertTrue(os.path.exists(self.rrdfile.name))
rrd.info(useBindings=True, stream=output)
for obtained, expected in zip(output.getvalue().split("\n"),
expectedOutput):
print(("obtained:", obtained))
print(("expected:", expected))
if obtained.startswith("filename"):
self.assertTrue(expected.strip().startswith("filename"))
else:
self.assertEqual(obtained.strip(), expected.strip())
sys.stdout = originalStdout
def test_infoReadMode(self):
expectedOutput = """
filename = "/tmp/tmpP4bTTy"
rrd_version = "0003"
step = 300
last_update = 920804400
header_size = 800
ds[speed].index = 0
ds[speed].type = "COUNTER"
ds[speed].minimal_heartbeat = 600
ds[speed].min = NaN
ds[speed].max = NaN
ds[speed].last_ds = "U"
ds[speed].value = 0.0000000000e+00
ds[speed].unknown_sec = 0
rra[0].cf = "AVERAGE"
rra[0].rows = 24
rra[0].cur_row = 3
rra[0].pdp_per_row = 1
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = NaN
rra[0].cdp_prep[0].unknown_datapoints = 0
rra[1].cf = "AVERAGE"
rra[1].rows = 10
rra[1].cur_row = 2
rra[1].pdp_per_row = 6
rra[1].xff = 5.0000000000e-01
rra[1].cdp_prep[0].value = NaN
rra[1].cdp_prep[0].unknown_datapoints = 0
"""
rrd = RRD(filename=self.rrdfile.name, mode="r", backend=bindings)
output = StringIO()
self.assertTrue(os.path.exists(self.rrdfile.name))
rrd.info(useBindings=True, stream=output)
for obtained, expected in zip(
output.getvalue().split("\n"), expectedOutput):
print "obtained:", obtained
print "expected:", expected
if obtained.startswith("filename"):
self.assertTrue(expected.strip().startswith("filename"))
else:
self.assertEquals(obtained.strip(), expected.strip())
sys.stdout = originalStdout
class BindingsBackendTestCase(TestCase):
def setUp(self):
self.ds = [DataSource(dsName="speed", dsType="COUNTER", heartbeat=600)]
self.rra = [
RRA(cf="AVERAGE", xff=0.5, steps=1, rows=24),
RRA(cf="AVERAGE", xff=0.5, steps=6, rows=10)
]
self.rrdfile = tempfile.NamedTemporaryFile()
self.rrd = RRD(self.rrdfile.name,
ds=self.ds,
rra=self.rra,
start=920804400,
backend=bindings)
self.rrd.create()
def test_infoWriteMode(self):
expectedOutput = """
rra = [{'rows': 24, 'database': None, 'cf': 'AVERAGE', 'cdp_prep': None, 'beta': None, 'seasonal_period': None, 'steps': 1, 'window_length': None, 'threshold': None, 'alpha': None, 'pdp_per_row': None, 'xff': 0.5, 'ds': [], 'gamma': None, 'rra_num': None}, {'rows': 10, 'database': None, 'cf': 'AVERAGE', 'cdp_prep': None, 'beta': None, 'seasonal_period': None, 'steps': 6, 'window_length': None, 'threshold': None, 'alpha': None, 'pdp_per_row': None, 'xff': 0.5, 'ds': [], 'gamma': None, 'rra_num': None}]
filename = /tmp/tmpQCLRj0
start = 920804400
step = 300
values = []
ds = [{'name': 'speed', 'min': 'U', 'max': 'U', 'unknown_sec': None, 'minimal_heartbeat': 600, 'value': None, 'rpn': None, 'type': 'COUNTER', 'last_ds': None}]
ds[speed].name = speed
ds[speed].min = U
ds[speed].max = U
ds[speed].minimal_heartbeat = 600
ds[speed].type = COUNTER
rra[0].rows = 24
rra[0].cf = AVERAGE
rra[0].steps = 1
rra[0].xff = 0.5
rra[0].ds = []
rra[1].rows = 10
rra[1].cf = AVERAGE
rra[1].steps = 6
rra[1].xff = 0.5
rra[1].ds = []
""".strip().split("\n")
output = StringIO()
self.assertTrue(os.path.exists(self.rrdfile.name))
self.rrd.info(useBindings=True, stream=output)
for obtained, expected in zip(output.getvalue().split("\n"),
expectedOutput):
if obtained.startswith("filename"):
self.assertTrue(expected.strip().startswith("filename"))
else:
self.assertEqual(obtained.strip(), expected.strip())
def test_infoReadMode(self):
expectedOutput = """
filename = "/tmp/tmpP4bTTy"
rrd_version = "0003"
step = 300
last_update = 920804400
header_size = 800
ds[speed].index = 0
ds[speed].type = "COUNTER"
ds[speed].minimal_heartbeat = 600
ds[speed].min = NaN
ds[speed].max = NaN
ds[speed].last_ds = "U"
ds[speed].value = 0.0000000000e+00
ds[speed].unknown_sec = 0
rra[0].cf = "AVERAGE"
rra[0].rows = 24
rra[0].cur_row = 3
rra[0].pdp_per_row = 1
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = NaN
rra[0].cdp_prep[0].unknown_datapoints = 0
rra[1].cf = "AVERAGE"
rra[1].rows = 10
rra[1].cur_row = 2
rra[1].pdp_per_row = 6
rra[1].xff = 5.0000000000e-01
rra[1].cdp_prep[0].value = NaN
rra[1].cdp_prep[0].unknown_datapoints = 0
"""
rrd = RRD(filename=self.rrdfile.name, mode="r", backend=bindings)
output = StringIO()
self.assertTrue(os.path.exists(self.rrdfile.name))
rrd.info(useBindings=True, stream=output)
for obtained, expected in zip(output.getvalue().split("\n"),
expectedOutput):
print(("obtained:", obtained))
print(("expected:", expected))
if obtained.startswith("filename"):
self.assertTrue(expected.strip().startswith("filename"))
else:
self.assertEqual(obtained.strip(), expected.strip())
sys.stdout = originalStdout
class BindingsBackendTestCase(TestCase):
def setUp(self):
self.ds = [
DataSource(dsName="speed", dsType="COUNTER", heartbeat=600)]
self.rra = [
RRA(cf="AVERAGE", xff=0.5, steps=1, rows=24),
RRA(cf="AVERAGE", xff=0.5, steps=6, rows=10)]
self.rrdfile = tempfile.NamedTemporaryFile()
self.rrd = RRD(self.rrdfile.name, ds=self.ds, rra=self.rra,
start=920804400, backend=bindings)
self.rrd.create()
def test_infoWriteMode(self):
expectedOutput = """
rra = [{'rows': 24, 'database': None, 'cf': 'AVERAGE', 'cdp_prep': None, 'beta': None, 'seasonal_period': None, 'steps': 1, 'window_length': None, 'threshold': None, 'alpha': None, 'pdp_per_row': None, 'xff': 0.5, 'ds': [], 'gamma': None, 'rra_num': None}, {'rows': 10, 'database': None, 'cf': 'AVERAGE', 'cdp_prep': None, 'beta': None, 'seasonal_period': None, 'steps': 6, 'window_length': None, 'threshold': None, 'alpha': None, 'pdp_per_row': None, 'xff': 0.5, 'ds': [], 'gamma': None, 'rra_num': None}]
filename = /tmp/tmpQCLRj0
start = 920804400
step = 300
values = []
ds = [{'name': 'speed', 'min': 'U', 'max': 'U', 'unknown_sec': None, 'minimal_heartbeat': 600, 'value': None, 'rpn': None, 'type': 'COUNTER', 'last_ds': None}]
ds[speed].name = speed
ds[speed].min = U
ds[speed].max = U
ds[speed].minimal_heartbeat = 600
ds[speed].type = COUNTER
rra[0].rows = 24
rra[0].cf = AVERAGE
rra[0].steps = 1
rra[0].xff = 0.5
rra[0].ds = []
rra[1].rows = 10
rra[1].cf = AVERAGE
rra[1].steps = 6
rra[1].xff = 0.5
rra[1].ds = []
""".strip().split("\n")
output = StringIO()
self.assertTrue(os.path.exists(self.rrdfile.name))
self.rrd.info(useBindings=True, stream=output)
for obtained, expected in zip(
output.getvalue().split("\n"), expectedOutput):
if obtained.startswith("filename"):
self.assertTrue(expected.strip().startswith("filename"))
else:
self.assertEquals(obtained.strip(), expected.strip())
def test_infoReadMode(self):
expectedOutput = """
filename = "/tmp/tmpP4bTTy"
rrd_version = "0003"
step = 300
last_update = 920804400
header_size = 800
ds[speed].index = 0
ds[speed].type = "COUNTER"
ds[speed].minimal_heartbeat = 600
ds[speed].min = NaN
ds[speed].max = NaN
ds[speed].last_ds = "U"
ds[speed].value = 0.0000000000e+00
ds[speed].unknown_sec = 0
rra[0].cf = "AVERAGE"
rra[0].rows = 24
rra[0].cur_row = 3
rra[0].pdp_per_row = 1
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = NaN
rra[0].cdp_prep[0].unknown_datapoints = 0
rra[1].cf = "AVERAGE"
rra[1].rows = 10
rra[1].cur_row = 2
rra[1].pdp_per_row = 6
rra[1].xff = 5.0000000000e-01
rra[1].cdp_prep[0].value = NaN
rra[1].cdp_prep[0].unknown_datapoints = 0
"""
rrd = RRD(filename=self.rrdfile.name, mode="r", backend=bindings)
output = StringIO()
self.assertTrue(os.path.exists(self.rrdfile.name))
rrd.info(useBindings=True, stream=output)
for obtained, expected in zip(
output.getvalue().split("\n"), expectedOutput):
print "obtained:", obtained
print "expected:", expected
if obtained.startswith("filename"):
self.assertTrue(expected.strip().startswith("filename"))
else:
self.assertEquals(obtained.strip(), expected.strip())
sys.stdout = originalStdout
myRRD = RRD(filename, step=10, ds=dataSources, rra=roundRobinArchives, start=int(time.time()))
myRRD.create()
# Test for file existence
import os
os.path.isfile(filename)
# Values
# myRRD.bufferValue(str(time.time()), 'q1:q2:q3:lo:hi:total')
myRRD.bufferValue(str(int(time.time())), '1:2:3:0:5:100')
myRRD.bufferValue(str(int(time.time())), '1.2:2.2:3.2:0.2:5.2:90')
myRRD.update()
# Information
myRRD.info()
# Graph
from pyrrd.graph import DEF, CDEF, VDEF, LINE, AREA, GPRINT
def1 = DEF(rrdfile=myRRD.filename, vname='myspeed', dsName=dataSource.name)
cdef1 = CDEF(vname='kmh', rpn='%s,3600,*' % def1.vname)
cdef2 = CDEF(vname='fast', rpn='kmh,100,GT,kmh,0,IF')
cdef3 = CDEF(vname='good', rpn='kmh,100,GT,0,kmh,IF')
vdef1 = VDEF(vname='mymax', rpn='%s,MAXIMUM' % def1.vname)
vdef2 = VDEF(vname='myavg', rpn='%s,AVERAGE' % def1.vname)
line1 = LINE(value=100, color='#990000', legend='Maximum Allowed')
area1 = AREA(defObj=cdef3, color='#006600', legend='Good Speed')
area2 = AREA(defObj=cdef2, color='#CC6633', legend='Too Fast')
line2 = LINE(defObj=vdef2, color='#000099', legend='My Average', stack=True)
myRRD.bufferValue('920805600', '12363')
myRRD.bufferValue('920805900', '12363')
myRRD.bufferValue('920806200', '12373')
myRRD.bufferValue('920806500', '12383')
myRRD.bufferValue('920806800', '12393')
myRRD.bufferValue('920807100', '12399')
myRRD.bufferValue('920807400', '12405')
myRRD.bufferValue('920807700', '12411')
myRRD.bufferValue('920808000', '12415')
myRRD.bufferValue('920808300', '12420')
myRRD.bufferValue('920808600', '12422')
myRRD.bufferValue('920808900', '12423')
myRRD.update()
print "myRRD info:",myRRD.info()
print "myRRD Data:",myRRD.getData()
def1 = DEF(rrdfile=myRRD.filename, vname='myspeed', dsName=dataSource.name)
cdef1 = CDEF(vname='kmh', rpn='%s,3600,*' % def1.vname)
cdef2 = CDEF(vname='fast', rpn='kmh,100,GT,kmh,0,IF')
cdef3 = CDEF(vname='good', rpn='kmh,100,GT,0,kmh,IF')
vdef1 = VDEF(vname='mymax', rpn='%s,MAXIMUM' % def1.vname)
vdef2 = VDEF(vname='myavg', rpn='%s,AVERAGE' % def1.vname)
#line1 = LINE(value=100, color='#990000', legend='Maximum Allowed')
area1 = AREA(defObj=cdef3, color='#006600', legend='Good Speed')
area2 = AREA(defObj=cdef2, color='#CC6633', legend='Too Fast')
line2 = LINE(defObj=vdef2, color='#000099', legend='My Average')
gprint1 = GPRINT(vdef2, '%6.3lf kph')
