def __init__(self, filename=None, hostfile=None):
self.filename = filename
self.myDB = MySQLObject()
if filename:
self.filesize = os.path.getsize(filename)
if hostfile:
self.readhostfile(hostfile)
class Logfile:
def __init__(self, filename=None, hostfile=None):
self.filename = filename
self.myDB = MySQLObject()
if filename:
self.filesize = os.path.getsize(filename)
if hostfile:
self.readhostfile(hostfile)
def eta(self, secs):
if secs < 60:
return "%2.2d sec " % secs
else:
return "%d min %2.2d sec" % (secs / 60, secs % 60)
def readHead(self, line):
sp = line[:-1].split(";") # ignore the line break at the end
server = sp[1]
timestamp = sp[2]
stype = sp[3] # mdt or ost
# add server and type to the db
self.myDB.insert_server(server, stype)
# add nids to the database
for nid in sp[5:]:
self.insert_nid_server(server, nid)
#------------------------------------------------------------------------------
def readData(self, line):
sp = line[:-1].split(";") # ignore the line break at the end
# form a hash digest of the line and check if line is already in database,
# if so, do not add line again to avoid bloat and wrong results for
# sums over data
hexdigest = hashlib.sha224(line).hexdigest()
if self.myDB.has_hash(hexdigest):
#print "line collision"
return
server = sp[0]
timestamp = sp[1]
source = sp[2]
value_tupel = sp[3] # values for ost
self.myDB.insert_timestamp(timestamp)
# source = univ_1-OST0001
fs = source.split('-')[0]
self.myDB.insert_source(source, fs)
# add ost global
self.insert_ost_global(source, value_tupel, timestamp, server)
self.insert_nids(server, timestamp, source, sp[4:])
#------------------------------------------------------------------------------
def read(self):
''' action is HERE'''
f = open(self.filename, "r")
counter = 0
acounter = 0
starttime = time.time()
#1.0;hmds1;time;mdt;reqs;
#1.0;hoss3;time;ost;rio,rb,wio,wb;
for line in f:
if line.startswith("#"): # this is a head line
self.readHead(line)
else:
#--------------------- if not headline ----------------------------------------
self.readData(line)
#--------------------- progress bar -------------------------------------------
if self.filename:
counter += 1
if counter % 10 == 0:
duration = (time.time() - starttime)
fraction = (float(f.tell()) / float(self.filesize))
endtime = duration * (1.0 / fraction) - duration
#printString = str("\rinserted %d records / %d%% ETA = %s"
# %(counter,int(fraction*100.0), self.eta(endtime)))
printString = str("\rinserted %9d records [%s] ETA = %s"
% (counter, "|" * int(fraction * 20.0) +
"\\|/-"[acounter % 4] +
"-" * (19 - int(fraction * 20.0)), self.eta(endtime)))
print printString,
sys.stdout.flush()
acounter += 1
#------------------------------------------------------------------------------
endtime = time.time()
print "used %s to insert data." % self.eta(endtime - starttime)
#------------------------------------------------------------------------------
def readhostfile(self, hostfile):
try:
f = open(hostfile, "r")
except:
return
for l in f:
if not l.startswith('#'):
sp = l[:-1].split()
if len(sp) == 0:
continue
ip = sp[0]
name = sp[1]
self.myDB.hostfilemap[ip] = name
print "read", len(self.myDB.hostfilemap), "host mappings"
f.close()
#------------------------------------------------------------------------------
def insert_ost_global(self, source, d_tuple, timestamp, server):
self.myDB.insert_ost_global(source, d_tuple, timestamp, server)
def insert_nid_server(self, server, one_nid):
self.myDB.add_nid_server(server, one_nid)
def insert_nid(self, server, timeStamp, source, nidvals_Tup, nidID):
''' methode to insert only one nid value tuple '''
self.myDB.add_nid_values(server, timeStamp, source, nidvals_Tup, nidID)
def insert_nids(self, server, timestamp, source, nidvals):
stype = self.myDB.servertype[server]
il_ost = []
il_mdt = []
for i in range(len(nidvals)):
nidid = self.myDB.globalnidmap[self.myDB.per_server_nids[server][i]]
timeid = self.myDB.timestamps[timestamp]
sourceid = self.myDB.sources[source]
if nidvals[i] != "":
if stype == 'ost':
temp = [timeid, sourceid, nidid]
temp.extend(nidvals[i].split(','))
il_ost.append(temp)
if stype == 'mdt':
il_mdt.append((timeid, sourceid, nidid, nidvals[i]))
self.myDB.insert_ost_samples(il_ost)
self.myDB.insert_mdt_samples(il_mdt)