def begin():
templateFilename = 'rrdAlarmConfigurator.tmpl'
# Imports for mako
try:
from mako.template import Template
from mako.runtime import Context
from mako.lookup import TemplateLookup
from mako import exceptions
except:
ntop.printHTMLHeader('ntop Python Configuration Error', 1, 0)
ntop.sendString(
"<b><center><font color=red>Please install <A HREF=http://www.makotemplates.org/>Mako</A> template engine</font> (sudo easy_install Mako)</center></b>"
)
ntop.printHTMLFooter()
return
# Fix encoding
#reload(sys)
#sys.setdefaultencoding("latin1")
rows = []
pathRRDFiles = os.path.join(ntop.getDBPath(), 'rrd/')
nameFileConfig = 'rrdAlarmConfig.txt' #default nameFileConfig
pathTempFile = ntop.getSpoolPath() + os.sep
form = cgi.FieldStorage()
#get from the url the parameter configfile that contains the
#path+filename of the configfile to read
jsonPathRRD = form.getvalue('pathRRDS')
help = form.getvalue('help')
documentRoot = os.getenv('DOCUMENT_ROOT', '.')
if jsonPathRRD:
#a request from the autocomplete script, return a json string with the matching files names
ntop.sendHTTPHeader(1)
ntop.sendString(jsonListFileInPath(jsonPathRRD, pathRRDFiles))
return
elif help == 'true':
#show help page
templateFilename = 'rrdAlarmConfiguratorHelp.tmpl'
ntop.printHTMLHeader('RRD Alarm Configurator Help', 1, 0)
else:
#normal operation
requestFileConfig = form.getvalue('configFile')
if requestFileConfig is not None:
nameFileConfig = requestFileConfig
#get all the scripts in the scripts directory
listScripts = readScriptsDir(
os.path.join(documentRoot, 'python/rrdalarm/scripts/'))
ntop.printHTMLHeader('RRD Alarm Configurator', 1, 0)
file_name = os.path.join(pathTempFile, nameFileConfig)
try:
configFile = open(file_name, 'rt')
for line in configFile:
line = line.rstrip() #drop the \n at the end
if len(line) > 0 and line[0] != '#':
rows.append(line.split('\t'))
configFile.close()
except IOError:
try:
open(file_name, 'w').close() # Create an empty file if missing
except:
pass
print >> sys.stderr, "RRDAlarm: empty configFile created " + file_name
except:
print >> sys.stderr, "RRDAlarm: Error reading configFile " + os.path.join(
pathTempFile, nameFileConfig)
raise
#the elaboration will continue but no data will be displayed.
#if requestFileConfig is not None: #if the nameFileConfig was specified by user show error
#try:
# open(os.path.join(pathTempFile,nameFileConfig), 'w')
#except:
# raise
#else:
#nameFileConfig='rrdAlarmConfig.txt'
#ntop.sendString(exceptions.html_error_template().render())
try:
#pprint.pprint(listAllDirs(pathRRDFiles+'rrd/'), sys.stderr)
basedir = os.path.join(documentRoot, 'python/templates')
mylookup = TemplateLookup(directories=[basedir])
myTemplate = mylookup.get_template(templateFilename)
buf = StringIO()
ctx = None
if (help == 'true'): #show help page
ctx = Context(buf)
else:
ctx = Context(buf,
configRows=rows,
tempFilePath=pathTempFile,
nameFileConfig=nameFileConfig,
listScripts=listScripts,
pathRRDFiles=pathRRDFiles
) #, rrdDirs=listAllDirs(pathRRDFiles+'rrd/')
myTemplate.render_context(ctx)
ntop.sendString(buf.getvalue())
except:
ntop.sendString(exceptions.html_error_template().render())
ntop.printHTMLFooter()
def begin():
templateFilename='rrdAlarmConfigurator.tmpl'
# Imports for mako
try:
from mako.template import Template
from mako.runtime import Context
from mako.lookup import TemplateLookup
from mako import exceptions
except:
ntop.printHTMLHeader('ntop Python Configuration Error',1,0)
ntop.sendString("<b><center><font color=red>Please install <A HREF=http://www.makotemplates.org/>Mako</A> template engine</font> (sudo easy_install Mako)</center></b>")
ntop.printHTMLFooter()
return
# Fix encoding
#reload(sys)
#sys.setdefaultencoding("latin1")
rows=[]
pathRRDFiles=os.path.join(ntop.getDBPath(),'rrd/')
nameFileConfig='rrdAlarmConfig.txt' #default nameFileConfig
pathTempFile=ntop.getSpoolPath()+os.sep
form = cgi.FieldStorage(); #get from the url the parameter configfile that contains the
#path+filename of the configfile to read
jsonPathRRD=form.getvalue('pathRRDS')
help=form.getvalue('help')
documentRoot=os.getenv('DOCUMENT_ROOT', '.')
if jsonPathRRD:
#a request from the autocomplete script, return a json string with the matching files names
ntop.sendHTTPHeader(1)
ntop.sendString(jsonListFileInPath(jsonPathRRD, pathRRDFiles))
return
elif help == 'true':
#show help page
templateFilename='rrdAlarmConfiguratorHelp.tmpl'
ntop.printHTMLHeader('RRD Alarm Configurator Help', 1, 0)
else:
#normal operation
requestFileConfig=form.getvalue('configFile')
if requestFileConfig is not None:
nameFileConfig=requestFileConfig
#get all the scripts in the scripts directory
listScripts=readScriptsDir(os.path.join(documentRoot,'python/rrdalarm/scripts/'))
ntop.printHTMLHeader('RRD Alarm Configurator', 1, 0)
file_name = os.path.join(pathTempFile,nameFileConfig)
try:
configFile= open(file_name, 'rt')
for line in configFile:
line=line.rstrip() #drop the \n at the end
if len(line) >0 and line[0] != '#':
rows.append(line.split('\t'))
configFile.close()
except IOError:
try:
open(file_name, 'w').close() # Create an empty file if missing
except:
pass
print>>sys.stderr, "RRDAlarm: empty configFile created "+file_name
except:
print>>sys.stderr, "RRDAlarm: Error reading configFile "+os.path.join(pathTempFile,nameFileConfig)
raise
#the elaboration will continue but no data will be displayed.
#if requestFileConfig is not None: #if the nameFileConfig was specified by user show error
#try:
# open(os.path.join(pathTempFile,nameFileConfig), 'w')
#except:
# raise
#else:
#nameFileConfig='rrdAlarmConfig.txt'
#ntop.sendString(exceptions.html_error_template().render())
try:
#pprint.pprint(listAllDirs(pathRRDFiles+'rrd/'), sys.stderr)
basedir = os.path.join(documentRoot,'python/templates')
mylookup = TemplateLookup(directories=[basedir])
myTemplate = mylookup.get_template(templateFilename)
buf = StringIO()
ctx=None
if(help =='true'): #show help page
ctx = Context(buf)
else:
ctx = Context(buf, configRows=rows,tempFilePath=pathTempFile, nameFileConfig=nameFileConfig,listScripts=listScripts, pathRRDFiles=pathRRDFiles) #, rrdDirs=listAllDirs(pathRRDFiles+'rrd/')
myTemplate.render_context(ctx)
ntop.sendString(buf.getvalue())
except:
ntop.sendString(exceptions.html_error_template().render())
ntop.printHTMLFooter()
def begin():
rrdFilesPath = os.path.join(ntop.getDBPath(), 'rrd')
''' Check the existence of the rrd database files that maintain history of this script'''
def updateDBS(time, resultsValue, durationValue):
#global rrdFilesPath
rrdAlarmDbPath = os.path.join(rrdFilesPath, 'rrdAlarm/')
if not os.path.exists(rrdAlarmDbPath) or not os.path.isdir(
rrdAlarmDbPath):
os.mkdir(rrdAlarmDbPath)
nameDuration = "duration"
nameResults = "results"
#nameDuration="duration.rrd"
#nameResults="results.rrd"
#archives=['RRA:AVERAGE:0.5:1:60',
# 'RRA:AVERAGE:0.5:30:6']#1 hour and 3 hours data
try:
#rrdtool.update(os.path.join(rrdAlarmDbPath,nameDuration), 'N:'+str(durationValue))
ntop.updateRRDGauge(rrdAlarmDbPath, nameDuration, durationValue, 0)
#print>>sys.stderr, 'Updating'+str(durationValue)
except:
print >> sys.stderr, 'RRDAlarm: Error Updating rrdDB ' + nameDuration
'''
dataSources=['DS:duration:GAUGE:120:0:U']
rrdtool.create(rrdAlarmDbPath+nameDuration, '--start', str(time), '--step', str(60), dataSources[0], archives[0], archives[1] )
rrdtool.update(rrdAlarmDbPath+nameDuration,'N:'+str(durationValue))'''
try:
#rrdtool.update(os.path.join(rrdAlarmDbPath,nameResults), 'N:'+str(resultsValue))
ntop.updateRRDGauge(rrdAlarmDbPath, nameResults, resultsValue, 0)
except:
print >> sys.stderr, 'RRDAlarm: Error Updating rrdDB ' + nameResults
'''
dataSources=['DS:results:GAUGE:120:0:U']
rrdtool.create(rrdAlarmDbPath+nameResults, '--start', str(time), '--step', str(60), dataSources[0], archives[0], archives[1] )
rrdtool.update(rrdAlarmDbPath+nameResults, 'N:'+str(resultsValue))'''
'''Function that must be called as a new thread so its execution time can
be controlled and limited by the main thread.
all the controls on the rrds are executed by this function
'''
def controlT():
#global rrdFilesPath
ntopSpoolPath = ntop.getSpoolPath()
nameFileConfig = 'rrdAlarmConfig.txt'
tempFileName = 'rrdAlarmStart.tmp'
configuration = None
TWODECIMAL = decimal.Decimal(10)**-2
timeStart = time.time()
alarmsFired = 0
checkedFiles = 0
fmt = '%a, %d %b %Y %H:%M:%S' #format of the time showed
form = cgi.FieldStorage()
#get the parameter passed via the url
noHTML = bool(form.getvalue('noHTML'))
configFile = form.getvalue('configFile')
if configFile and len(configFile) > 0:
nameFileConfig = str(configFile)
try:
tempFile = open(os.path.join(ntopSpoolPath, tempFileName), 'r')
configuration = pickle.load(tempFile)
tempFile.close()
if configuration and (
timeStart < float(configuration['timeStart']) + float(60)):
ntop.sendHTTPHeader(1)
ntop.printHTMLHeader('RRD Alarm Called too early!', 1, 0)
ntop.sendString(
"Wait at least a minute. Last Time started: %s" %
time.strftime(fmt,
time.localtime(configuration['timeStart'])))
ntop.printHTMLFooter()
return 0 #exit because the script was started less than one minute ago
else:
configuration['timeStart'] = timeStart
except IOError: #the tempFile does not exist or some other problem
print >> sys.stderr, 'RRDAlarm: IOError while accessing tempfile ' + tempFileName
configuration = createNewConfiguration(
rrdFilesPath, os.path.join(ntopSpoolPath, nameFileConfig),
timeStart)
except pickle.PickleError, pickle.UnpicklingError:
print >> sys.stderr, "RRDAlarm: Problems during the UnPickling load, tempFile Delete..."
os.remove(os.path.join(ntopSpoolPath, tempFileName))
return -1
if configuration['lastModified'] != os.path.getmtime(
os.path.join(ntopSpoolPath, nameFileConfig)):
#if the configuration file has been changed the temp file must be rebuild and so the configuration dictionary
configuration = createNewConfiguration(
rrdFilesPath, os.path.join(ntopSpoolPath, nameFileConfig),
timeStart)
listRows = []
parameterDic = {
} #for each parameter inserted as a key a tupla will be assigned 'parameter':{actionToPerform, text}
for threshold in configuration[
'listThresholds']: #for all the thresholds
listFiles = threshold.getListFilename()
checkedFiles = checkedFiles + len(listFiles)
for fileN in listFiles: #for all the filenames referred by the threshold
#rrd_argv=[fileN,'AVERAGE', '--start', threshold.getStartTime(), '--end', threshold.getStartTime()]
#Return :((start, end, step), (name1, name2, ...), [(data1, data2, ..), ...])
#print>>sys.stderr, '\nLOOK for the parameters '+str(threshold.getStartTime())+' '+str(threshold.getEndTime())+' '+str(fileN)
rrdObj = ((0, 0, 0), (), []) #empty object
try:
#rrdObj=rrdtool.fetch(fileN, 'AVERAGE', '--start', threshold.getStartTime(), '--end', threshold.getEndTime())
rrdObj = ntop.rrd_fetch(fileN, 'AVERAGE',
threshold.getStartTime(),
threshold.getEndTime())
except Exception as e:
print >> sys.stderr, 'start.py PyRRDTool exception ' + str(
e)
step = rrdObj[0][2]
start = float(rrdObj[0][0])
end = float(rrdObj[0][1])
valueDataTuple = rrdObj[2]
#for all the values returned check the threshold (from the end) if alarm has to be fired
i = len(valueDataTuple)
while i > 0:
#for value in valueDataTuple:
timeA = (step * i) + start
i = i - 1
value = valueDataTuple[i]
if threshold.checkIfFire(
value[0]): #controls if the threshold was exceeded
notFired = False
alarmsFired = alarmsFired + 1
listRows.append(
(threshold.getUniqueId(), fileN, value[0],
threshold.getType(), threshold.getValue(),
time.strftime(fmt, time.localtime(timeA)), timeA,
threshold.getActionToPerform(), 'ALARM FIRED'))
strAlarm = '<ALARM>\nID: %i FILENAME: %s\nVALUE: %s TYPE: %s THRESHOLD VALUE: %f\n LOCALTIME: %s START: %s END: %s\n</ALARM>\n' % (
threshold.getUniqueId(), fileN, value[0],
threshold.getType(), threshold.getValue(),
time.strftime(fmt, time.localtime(timeA)),
threshold.getStartTime(), threshold.getEndTime())
if parameterDic.has_key(
threshold.getActionParameter()):
parameterDic[threshold.getActionParameter(
)]['textAlarm'] = parameterDic[
threshold.getActionParameter(
)]['textAlarm'] + strAlarm
else:
parameterDic[threshold.getActionParameter()] = {
'actionToPerform':
threshold.getActionToPerform(),
'textAlarm': strAlarm
}
break
#print>>sys.stderr, 'The type of the threshold was misconfigured!'
else:
#no alarm was fired
listRows.append(
(threshold.getUniqueId(), fileN, '-',
threshold.getType(), threshold.getValue(),
time.strftime(fmt,
time.localtime(end)), end, 'None', 'OK')
) #at least one alarm was fired, adding the action to perform, text and parameter to the global dictionary
saveTempFile(
configuration, os.path.join(ntopSpoolPath, tempFileName)
) #save all the informations usefull for future calling of this script
documentRoot = os.getenv('DOCUMENT_ROOT', '.')
performActions(
parameterDic, documentRoot
) #performs all the actions for the alarms fired (if any)
duration = decimal.Decimal(str(time.time() - timeStart)).quantize(
TWODECIMAL, decimal.ROUND_CEILING)
updateDBS(
int(timeStart), alarmsFired, duration
) #update rrds that trace the history of this script TODO check where to place this
ntop.sendHTTPHeader(1)
if not noHTML: #if this parameter was passed and if true send just the empty http response
ntop.printHTMLHeader('RRD Alarm Report', 1, 0)
try:
basedir = os.path.join(documentRoot, 'python/templates')
mylookup = TemplateLookup(directories=[basedir])
myTemplate = mylookup.get_template('rrdAlarmStart.tmpl')
buf = StringIO()
ctx = Context(buf,
listRows=listRows,
duration=duration,
checkedFiles=checkedFiles,
alarmsFired=alarmsFired)
myTemplate.render_context(ctx)
ntop.sendString(buf.getvalue())
except:
ntop.sendString(exceptions.html_error_template().render())
return 1
#finally:
#condition.notify()
ntop.printHTMLFooter()
print >> sys.stderr, '%s CET Exit rrdAlarm' % time.strftime(
fmt, time.localtime(time.time()))
return 0
def begin():
historyLimit = 10
templateFilename = 'fastbit.tmpl'
# Imports for mako
try:
from mako.template import Template
from mako.runtime import Context
from mako.lookup import TemplateLookup
from mako import exceptions
except:
ntop.printHTMLHeader('ntop Python Configuration Error', 1, 0)
ntop.sendString(
"<b><center><font color=red>Please install <A HREF=http://www.makotemplates.org/>Mako</A> template engine</font> (sudo easy_install Mako)</center></b>"
)
ntop.printHTMLFooter()
return
# Fix encoding
#reload(sys)
#sys.setdefaultencoding("latin1")
ntopSpoolPath = ntop.getSpoolPath()
tempQueryHistory = "fbQueryHistory"
rows = []
cols = None
databasePath = ntop.getDBPath()
'''TODO CHANGE THIS!!! fastbit database location'''
fb_DB = '/tmp/' #ntop.getPreference ("fastbitDB"); #default location of the fastbit DB
if fb_DB is not None:
databasePath = fb_DB
pathFastBit = os.path.join(databasePath, 'fastbit' + os.path.sep)
form = cgi.FieldStorage()
#get from the url the parameter configfile that contains the
#path+filename of the configfile to read
'''Parameters for calling the autocomplete function'''
selectAuto = form.getvalue('selectAuto')
fromAuto = form.getvalue('fromAuto')
documentRoot = os.getenv('DOCUMENT_ROOT', '.')
if selectAuto:
print >> sys.stderr, "PARAMETRO SELECT PASSATO " + str(selectAuto)
#a request from the autocomplete script, return a json string with the matching files names
ntop.sendHTTPHeader(1)
ntop.sendString(expandSelect(selectAuto, pathFastBit, fromAuto))
return
elif fromAuto:
ntop.sendHTTPHeader(1)
ntop.sendString(expandFrom(fromAuto, pathFastBit))
return
else:
history = {
'history': []
} #object containing the last 10 queries successfully executed
try:
tempFile = open(os.path.join(ntopSpoolPath, tempQueryHistory), 'r')
history = pickle.load(tempFile)
except IOError: #the tempFile does not exist or some other problem
print >> sys.stderr, 'Fastbit query: IOError while accessing queries history ' + tempQueryHistory
history = {
'history': []
} #object containing the last 10 queries successfully executed
except pickle.PickleError, pickle.UnpicklingError:
print >> sys.stderr, "Error while loading the queries history removing file..." + os.path.join(
ntopSpoolPath, tempQueryHistory)
try:
os.remove(os.path.join(ntopSpoolPath, tempQueryHistory))
except:
pass
raise
selectArg = form.getvalue('select')
fromArg = form.getvalue('from')
whereArg = form.getvalue('where')
limit = int(form.getvalue('limit', 100))
carPosition = int(
form.getvalue('carPosition', 0)
) #to be used to expand in the middle of a string knowing the cursor position...
queryPar = ["", "", "", limit] #show limit 100 as default
ntop.printHTMLHeader('Fastbit Query', 1, 0)
if selectArg and fromArg:
queryPar = [selectArg, fromArg, whereArg, limit]
try:
#pipe = subprocess.Popen (['ntop.getPreference ("fastbit.fbquery")', "-c", selectArg, "-d", fromArg, "-q", whereArg, "-P", "-L", limit],
print >> sys.stderr, "Query passed: SELECT %s FROM %s WHERE %s LIMIT %i" % (
selectArg, os.path.join(pathFastBit,
fromArg), whereArg, limit)
res = fastbit.query(os.path.join(pathFastBit, fromArg),
selectArg, whereArg, limit)
print >> sys.stderr, 'Number of records: %i' % len(
res['values'])
except:
print >> sys.stderr, 'ERROR Executing query: ' + (
"SELECT %s FROM %s WHERE %s LIMIT %i" %
(selectArg, os.path.join(pathFastBit,
fromArg), whereArg, limit))
res = {}
if res is not None and 'columns' in res:
cols = res['columns']
#control if the history list has reach the limit
if len(history['history']) >= historyLimit:
history['history'] = history['history'][0:historyLimit - 1]
#insert the newly executed query at the beginning of the list
history['history'] = [
"SELECT %s FROM %s WHERE %s" %
(selectArg.upper(), fromArg.upper(), whereArg.upper())
] + history['history']
saveTempFile(history,
os.path.join(ntopSpoolPath, tempQueryHistory))
else:
cols = []
if res is not None and 'values' in res:
toFormat = getAddrCols(
selectArg) #get a list of addr column numbers
for x in res['values']:
for j in toFormat:
#for every number in the list format as an IP ADDR
try:
#just ipv4
x[j] = socket.inet_ntop(socket.AF_INET,
struct.pack('>L', x[j]))
except:
#could be an ipv6
try:
x[j] = socket.inet_ntop(
socket.AF_INET6, struct.pack('>L', x[j]))
except:
#failed ipv6 adn ipv4 conversion
print >> sys.stderr, "fastbit.py: IMPOSSIBLE TO FORMAT value: " + str(
x[j]) + " TO IP ADDR"
#x[1]=socket.inet_ntop(socket.AF_INET,struct.pack('>L',x[1]))
rows = res['values']
def begin():
rrdFilesPath = os.path.join(ntop.getDBPath(), "rrd")
""" Check the existence of the rrd database files that maintain history of this script"""
def updateDBS(time, resultsValue, durationValue):
# global rrdFilesPath
rrdAlarmDbPath = os.path.join(rrdFilesPath, "rrdAlarm/")
if not os.path.exists(rrdAlarmDbPath) or not os.path.isdir(rrdAlarmDbPath):
os.mkdir(rrdAlarmDbPath)
nameDuration = "duration"
nameResults = "results"
# nameDuration="duration.rrd"
# nameResults="results.rrd"
# archives=['RRA:AVERAGE:0.5:1:60',
# 'RRA:AVERAGE:0.5:30:6']#1 hour and 3 hours data
try:
# rrdtool.update(os.path.join(rrdAlarmDbPath,nameDuration), 'N:'+str(durationValue))
ntop.updateRRDGauge(rrdAlarmDbPath, nameDuration, durationValue, 0)
# print>>sys.stderr, 'Updating'+str(durationValue)
except:
print >>sys.stderr, "RRDAlarm: Error Updating rrdDB " + nameDuration
"""
dataSources=['DS:duration:GAUGE:120:0:U']
rrdtool.create(rrdAlarmDbPath+nameDuration, '--start', str(time), '--step', str(60), dataSources[0], archives[0], archives[1] )
rrdtool.update(rrdAlarmDbPath+nameDuration,'N:'+str(durationValue))"""
try:
# rrdtool.update(os.path.join(rrdAlarmDbPath,nameResults), 'N:'+str(resultsValue))
ntop.updateRRDGauge(rrdAlarmDbPath, nameResults, resultsValue, 0)
except:
print >>sys.stderr, "RRDAlarm: Error Updating rrdDB " + nameResults
"""
dataSources=['DS:results:GAUGE:120:0:U']
rrdtool.create(rrdAlarmDbPath+nameResults, '--start', str(time), '--step', str(60), dataSources[0], archives[0], archives[1] )
rrdtool.update(rrdAlarmDbPath+nameResults, 'N:'+str(resultsValue))"""
"""Function that must be called as a new thread so its execution time can
be controlled and limited by the main thread.
all the controls on the rrds are executed by this function
"""
def controlT():
# global rrdFilesPath
ntopSpoolPath = ntop.getSpoolPath()
nameFileConfig = "rrdAlarmConfig.txt"
tempFileName = "rrdAlarmStart.tmp"
configuration = None
TWODECIMAL = decimal.Decimal(10) ** -2
timeStart = time.time()
alarmsFired = 0
checkedFiles = 0
fmt = "%a, %d %b %Y %H:%M:%S" # format of the time showed
form = cgi.FieldStorage()
# get the parameter passed via the url
noHTML = bool(form.getvalue("noHTML"))
configFile = form.getvalue("configFile")
if configFile and len(configFile) > 0:
nameFileConfig = str(configFile)
try:
tempFile = open(os.path.join(ntopSpoolPath, tempFileName), "r")
configuration = pickle.load(tempFile)
tempFile.close()
if configuration and (timeStart < float(configuration["timeStart"]) + float(60)):
ntop.sendHTTPHeader(1)
ntop.printHTMLHeader("RRD Alarm Called too early!", 1, 0)
ntop.sendString(
"Wait at least a minute. Last Time started: %s"
% time.strftime(fmt, time.localtime(configuration["timeStart"]))
)
ntop.printHTMLFooter()
return 0 # exit because the script was started less than one minute ago
else:
configuration["timeStart"] = timeStart
except IOError: # the tempFile does not exist or some other problem
print >>sys.stderr, "RRDAlarm: IOError while accessing tempfile " + tempFileName
configuration = createNewConfiguration(rrdFilesPath, os.path.join(ntopSpoolPath, nameFileConfig), timeStart)
except pickle.PickleError, pickle.UnpicklingError:
print >>sys.stderr, "RRDAlarm: Problems during the UnPickling load, tempFile Delete..."
os.remove(os.path.join(ntopSpoolPath, tempFileName))
return -1
if configuration["lastModified"] != os.path.getmtime(os.path.join(ntopSpoolPath, nameFileConfig)):
# if the configuration file has been changed the temp file must be rebuild and so the configuration dictionary
configuration = createNewConfiguration(rrdFilesPath, os.path.join(ntopSpoolPath, nameFileConfig), timeStart)
listRows = []
parameterDic = (
{}
) # for each parameter inserted as a key a tupla will be assigned 'parameter':{actionToPerform, text}
for threshold in configuration["listThresholds"]: # for all the thresholds
listFiles = threshold.getListFilename()
checkedFiles = checkedFiles + len(listFiles)
for fileN in listFiles: # for all the filenames referred by the threshold
# rrd_argv=[fileN,'AVERAGE', '--start', threshold.getStartTime(), '--end', threshold.getStartTime()]
# Return :((start, end, step), (name1, name2, ...), [(data1, data2, ..), ...])
# print>>sys.stderr, '\nLOOK for the parameters '+str(threshold.getStartTime())+' '+str(threshold.getEndTime())+' '+str(fileN)
rrdObj = ((0, 0, 0), (), []) # empty object
try:
# rrdObj=rrdtool.fetch(fileN, 'AVERAGE', '--start', threshold.getStartTime(), '--end', threshold.getEndTime())
rrdObj = ntop.rrd_fetch(fileN, "AVERAGE", threshold.getStartTime(), threshold.getEndTime())
except Exception as e:
print >>sys.stderr, "start.py PyRRDTool exception " + str(e)
step = rrdObj[0][2]
start = float(rrdObj[0][0])
end = float(rrdObj[0][1])
valueDataTuple = rrdObj[2]
# for all the values returned check the threshold (from the end) if alarm has to be fired
i = len(valueDataTuple)
while i > 0:
# for value in valueDataTuple:
timeA = (step * i) + start
i = i - 1
value = valueDataTuple[i]
if threshold.checkIfFire(value[0]): # controls if the threshold was exceeded
notFired = False
alarmsFired = alarmsFired + 1
listRows.append(
(
threshold.getUniqueId(),
fileN,
value[0],
threshold.getType(),
threshold.getValue(),
time.strftime(fmt, time.localtime(timeA)),
timeA,
threshold.getActionToPerform(),
"ALARM FIRED",
)
)
strAlarm = (
"<ALARM>\nID: %i FILENAME: %s\nVALUE: %s TYPE: %s THRESHOLD VALUE: %f\n LOCALTIME: %s START: %s END: %s\n</ALARM>\n"
% (
threshold.getUniqueId(),
fileN,
value[0],
threshold.getType(),
threshold.getValue(),
time.strftime(fmt, time.localtime(timeA)),
threshold.getStartTime(),
threshold.getEndTime(),
)
)
if parameterDic.has_key(threshold.getActionParameter()):
parameterDic[threshold.getActionParameter()]["textAlarm"] = (
parameterDic[threshold.getActionParameter()]["textAlarm"] + strAlarm
)
else:
parameterDic[threshold.getActionParameter()] = {
"actionToPerform": threshold.getActionToPerform(),
"textAlarm": strAlarm,
}
break
# print>>sys.stderr, 'The type of the threshold was misconfigured!'
else:
# no alarm was fired
listRows.append(
(
threshold.getUniqueId(),
fileN,
"-",
threshold.getType(),
threshold.getValue(),
time.strftime(fmt, time.localtime(end)),
end,
"None",
"OK",
)
) # at least one alarm was fired, adding the action to perform, text and parameter to the global dictionary
saveTempFile(
configuration, os.path.join(ntopSpoolPath, tempFileName)
) # save all the informations usefull for future calling of this script
documentRoot = os.getenv("DOCUMENT_ROOT", ".")
performActions(parameterDic, documentRoot) # performs all the actions for the alarms fired (if any)
duration = decimal.Decimal(str(time.time() - timeStart)).quantize(TWODECIMAL, decimal.ROUND_CEILING)
updateDBS(
int(timeStart), alarmsFired, duration
) # update rrds that trace the history of this script TODO check where to place this
ntop.sendHTTPHeader(1)
if not noHTML: # if this parameter was passed and if true send just the empty http response
ntop.printHTMLHeader("RRD Alarm Report", 1, 0)
try:
basedir = os.path.join(documentRoot, "python/templates")
mylookup = TemplateLookup(directories=[basedir])
myTemplate = mylookup.get_template("rrdAlarmStart.tmpl")
buf = StringIO()
ctx = Context(
buf, listRows=listRows, duration=duration, checkedFiles=checkedFiles, alarmsFired=alarmsFired
)
myTemplate.render_context(ctx)
ntop.sendString(buf.getvalue())
except:
ntop.sendString(exceptions.html_error_template().render())
return 1
# finally:
# condition.notify()
ntop.printHTMLFooter()
print >>sys.stderr, "%s CET Exit rrdAlarm" % time.strftime(fmt, time.localtime(time.time()))
return 0