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import rrdtool
import os
import sys
class RRD:
hdr_item = 0
ds_item = 1
data_item = 2
DS = {'active':0, 'buddies':0, 'instances':0, 'new':0, 'resumed':0, 'uptime':0}
def __init__(self, path, name, date_start, date_end):
self.rrd_name = name
if date_start == None:
self.date_start = str(rrdtool.first(str(os.path.join (path,name))))
else:
self.date_start = str(date_start)
if date_end == None:
self.date_end = str(rrdtool.last(str(os.path.join(path, name))))
else:
self.date_end = str(date_end)
self.user_hash = os.path.split(path)[1]
self.user_path = os.path.join (
self.get_first_part_path(path, 3),
"users",
"user",
self.user_hash[:2],
self.user_hash
)
self.uuid = self.get_uuid_from_file(self.user_path)
print "*******************************************"
print " RRD "
print "start: " + self.date_start
print "end: " + self.date_end
print "PATH: " + path
print "RRD NAME: " + name
print "\n"
try:
self.rrd = rrdtool.fetch (str(os.path.join(path,name)), 'AVERAGE', '-r 60', '-s '+ self.date_start, '-e '+self.date_end)
except:
raise
print " DS "
for item in self.DS.keys():
idx = self.get_ds_index (item)
if idx != -1:
self.DS[item] = idx
print "DS "+ item + ": " + str(self.DS[item])
else:
print "DS "+ item + " not found in header"
print "***********************************************"
def get_ds_index(self, ds):
i=0
for i in range (len (self.rrd[self.ds_item])):
if self.rrd[self.ds_item][i] == ds:
return i
i=+1
return -1
def get_uptime_by_interval (self):
ds_name = "uptime"
res=list()
print "-------Calcule "+ ds_name +"-------"
i=0
found = False
while i < len(self.rrd[self.data_item]):
value = str(self.rrd[self.data_item][i][self.DS[ds_name]])
if value != "None":
uptime = value
end = str (long(self.date_start) + ((i+1) * 60))
if found == False:
found = True
start = str (long (self.date_start) + ((i+1) * 60))
else:
if found:
print start + "->" + end + ": " + uptime
if float(uptime) > 0:
res.append((start, uptime))
found = False
i=i+1
return res
print "---------------------------------------------------"
def get_name(self):
return self.rrd_name.partition(".rrd")[0]
def show_valid_ds(self, ds_name):
print "------------------- DS "+ ds_name +"---------------------"
i=0
while i < len(self.rrd[self.data_item]):
timestamp = str (long (self.date_start) + ((i+1) * 60))
value = str (self.rrd[self.data_item][i][self.DS[ds_name]])
if value != "None":
print timestamp+ ": " + value
i=i+1
print "---------------------------------------------------"
def get_date_last_record(self):
return self.date_end
def set_user_hash(self, u_hash):
self.user_hash = u_hash
def get_first_part_path (self, path, idx):
l=list()
l.append(path)
for i in range (idx):
l.append(os.path.split(l[i])[0])
return l[idx]
def get_uuid_from_file(self,path):
return open (os.path.join(path, "machine_uuid")).next()
def get_user_hash(self):
return self.user_hash
def get_uuid (self):
return self.uuid
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