def makeImage(self):
color="660000"
finame= cntcom.BASEDIR+"imgs/"+self.displayname+'.png'
finame2= cntcom.IMAGES+self.displayname+'.png'
rrdinput=cntcom.BASEDIR+"imgs/graph.txt"
fromto,pixwidth= cntcom.getStartEnd(cfg)
ri= open(rrdinput,"w")
#ri.write("graph graf.png --start %d -e %d --step 60 -w 600 "%
# (time0, time0+60*60))
#ri.write("graph graf.png -s teatime --step 60 -w 600 ")
#ri.write("graph graf.png -s 17:55 --step 60 -w 600 ") # -10 hours max.
# time: -s now-10h -s 1:0 -e 4:0
#ri.write("graph graf.png -s now-10h --step 60 -w 600 ")
ri.write("graph "+finame+" "+fromto+" --step 60 -w "+pixwidth+" ")
cn= self.displayname
ri.write("DEF:%s=%s:%s:AVERAGE "% (cn, RRDDB, self.coname))
ri.write("LINE2:%s#%s:%s "%(cn,color,cn))
ri.close()
# following allowed only without SElinux:
#os.system("rrdtool - <"+rrdinput)
pf= os.popen("rrdtool - <"+rrdinput); cmdout=pf.read(); pf.close()
coa=string.split(cmdout)
if (len(coa) >2) and (coa[1]=='OK'):
return "<BR><IMG SRC=%s>\n"%(finame2)
else:
return "%s<BR><BR>\n"%(cmdout)
def makeImage(self, ltuname):
"""period: month week day '10 hours' hour
ltuname: one of names in LTUS
"""
color = "660000"
RRDDBname = RRDDB + ltuname + "counters.rrd"
finame = cntcom.BASEDIR + "imgs/" + ltuname + self.displayname + ".png"
finame2 = cntcom.IMAGES + ltuname + self.displayname + ".png"
rrdinput = cntcom.BASEDIR + "imgs/graph.txt"
# ri.write("graph graf.png --start %d -e %d --step 60 -w 600 "%
# (time0, time0+60*60))
# ri.write("graph graf.png -s teatime --step 60 -w 600 ")
# ri.write("graph graf.png -s 17:55 --step 60 -w 600 ") # -10 hours max.
# time: -s now-10h -s 1:0 -e 4:0
# ri.write("graph graf.png -s now-10h --step 60 -w 600 ")
fromto, pixwidth = cntcom.getStartEnd(cfg)
ri = open(rrdinput, "w")
ri.write("graph " + finame + " " + fromto + " --step 60 -w " + pixwidth + " ")
cn = self.displayname
if cn == "dead-busy_ts":
ri.write("DEF:%s=%s:%s:AVERAGE " % ("busy", RRDDBname, "busy"))
ri.write("DEF:%s=%s:%s:AVERAGE " % ("busy_ts", RRDDBname, "busy_ts"))
# simplified version:
# dead-busy_ts= busy*0.4/(busy_ts+1)
# ri.write("CDEF:%s=busy,0.4,*,busy_ts,1,+,/ "%(cn))
# right way:
# dead-busy_ts= busy*0.4/1 if busy_ts==0
# dead-busy_ts= busy*0.4/busy_ts if busy_ts!=0
ri.write("CDEF:%s=busy,0.4,*,busy_ts,0,EQ,1,busy_ts,IF,/ " % (cn))
elif cn == "dead-l2a":
ri.write("DEF:%s=%s:%s:AVERAGE " % ("busy", RRDDBname, "busy"))
ri.write("DEF:%s=%s:%s:AVERAGE " % ("l2a_strobe", RRDDBname, "l2a_strobe"))
# dead-busy_l2a= busy*0.4/1 if l2a==0
# dead-busy_l2a= busy*0.4/l2a if l2a!=0
ri.write("CDEF:%s=busy,0.4,*,l2a_strobe,0,EQ,1,l2a_strobe,IF,/ " % (cn))
elif cn == "busyOverTime":
ri.write("DEF:%s=%s:%s:AVERAGE " % ("busy", RRDDBname, "busy"))
ri.write("DEF:%s=%s:%s:AVERAGE " % ("time", RRDDBname, "time"))
ri.write("CDEF:%s=busy,time,/ " % (cn))
else:
ri.write("DEF:%s=%s:%s:AVERAGE " % (cn, RRDDBname, cn))
ri.write("LINE2:%s#%s:%s " % (cn, color, ltuname + "_" + cn))
ri.close()
# following allowed only without SElinux:
# os.system("rrdtool - <"+rrdinput)
pf = os.popen("rrdtool - <" + rrdinput)
cmdout = pf.read()
pf.close()
coa = string.split(cmdout)
if (len(coa) > 2) and (coa[1] == "OK"):
return "<BR><IMG SRC=%s>\n" % (finame2)
else:
return "%s<BR><BR>\n" % (cmdout)
def newgraph(self): # open, assign name, delete old files
self.ri= open(self.rrdinput,"w")
fromto,pixwidth= cntcom.getStartEnd(cfg)
namesname= "img%d"%self.nimg ; self.nimg= self.nimg+1
finame= cntcom.BASEDIR+"imgs/"+namesname+'.png'
finame2= cntcom.IMAGES+namesname+'.png'
#ri.write("graph graf.png --start %d -e %d --step 60 -w 600 "%
# (time0, time0+60*60))
#ri.write("graph graf.png -s teatime --step 60 -w 600 ")
#ri.write("graph graf.png -s 17:55 --step 60 -w 600 ") # -10 hours max.
# time: -s now-10h -s 1:0 -e 4:0
#ri.write("graph graf.png -s now-10h --step 60 -w 600 ")
linlog=" "
if cfg.yaxis=="log": linlog= " -o "
#linlog= cfg.yaxis+cfg.grouping
self.ri.write("graph "+finame+" "+fromto+" --step 60 -w "+pixwidth+linlog)
# delete old files:
return finame2
