135 lines
4.3 KiB
Python
Executable File
135 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import subprocess
|
|
import time
|
|
import os
|
|
from RRD import RRD, DS, RRA
|
|
|
|
class rrd:
|
|
def __init__( self
|
|
, databaseDirectory
|
|
, imagePath
|
|
, displayTimeGlobal = "7d"
|
|
, displayTimeNode = "1d"
|
|
):
|
|
self.dbPath = databaseDirectory
|
|
self.globalDb = RRD(databaseDirectory + "/nodes.rrd")
|
|
self.imagePath = imagePath
|
|
self.displayTimeGlobal = displayTimeGlobal
|
|
self.displayTimeNode = displayTimeNode
|
|
|
|
self.currentTimeInt = (int(time.time())/60)*60
|
|
self.currentTime = str(self.currentTimeInt)
|
|
|
|
try:
|
|
os.stat(self.imagePath)
|
|
except:
|
|
os.mkdir(self.imagePath)
|
|
|
|
def updateGlobalDatabase(self,nodeCount,clientCount):
|
|
""" Adds a new (#Nodes,#Clients) entry to the global database.
|
|
"""
|
|
self.globalDb.ensureSanity(
|
|
[
|
|
# Number of nodes available
|
|
DS('nodes', 'GAUGE', 120, 0, float('NaN')),
|
|
# Number of client available
|
|
DS('clients', 'GAUGE', 120, 0, float('NaN')),
|
|
], [
|
|
RRA('LAST', 0, 1, 44640),
|
|
RRA('LAST', 0, 60, 744),
|
|
RRA('LAST', 0, 1440, 1780),
|
|
],
|
|
step=60,
|
|
)
|
|
self.globalDb.update({'nodes': nodeCount, 'clients': clientCount})
|
|
|
|
def createGlobalGraph(self):
|
|
nodeGraph = self.imagePath + "/" + "globalGraph.png"
|
|
args = ["rrdtool", 'graph', nodeGraph, '-s', '-' + self.displayTimeGlobal, '-w', '800', '-h' '400'
|
|
,'DEF:nodes=' + self.globalDb.filename + ':nodes:AVERAGE', 'LINE1:nodes#F00:nodes\\l'
|
|
,'DEF:clients=' + self.globalDb.filename + ':clients:AVERAGE','LINE2:clients#00F:clients'
|
|
]
|
|
subprocess.check_output(args)
|
|
|
|
|
|
def nodeMACToRRDFile(self,nodeMAC):
|
|
return self.dbPath + "/" + str(nodeMAC).replace(":","") + ".rrd"
|
|
|
|
def nodeMACToPNGFile(self,nodeMAC):
|
|
return self.imagePath + "/" + str(nodeMAC).replace(":","") + ".png"
|
|
|
|
# Call only if node is up
|
|
def updateNodeDatabase(self,nodePrimaryMAC,clientCount):
|
|
# TODO check for bad nodeNames
|
|
nodeFile = self.nodeMACToRRDFile(nodePrimaryMAC)
|
|
nodeRRD = RRD(nodeFile)
|
|
nodeRRD.ensureSanity(
|
|
[
|
|
DS('upstate', 'GAUGE', 120, 0, 1),
|
|
DS('clients', 'GAUGE', 120, 0, float('NaN')),
|
|
], [
|
|
RRA('LAST', 0, 1, 44640),
|
|
],
|
|
step=60,
|
|
)
|
|
# Update Global RRDatabase
|
|
args = ["rrdtool",'updatev', nodeFile
|
|
# #Upstate #Clients
|
|
, self.currentTime + ":"+str(1)+":"+str(clientCount)
|
|
]
|
|
subprocess.check_output(args)
|
|
|
|
def createNodeGraph(self,nodePrimaryMAC):
|
|
nodeGraph = self.nodeMACToPNGFile(nodePrimaryMAC)
|
|
nodeFile = self.nodeMACToRRDFile(nodePrimaryMAC)
|
|
args = ['rrdtool','graph', nodeGraph, '-s', '-' + self.displayTimeNode , '-w', '800', '-h', '400', '-l', '0', '-y', '1:1',
|
|
'DEF:clients=' + nodeFile + ':clients:AVERAGE',
|
|
'VDEF:maxc=clients,MAXIMUM',
|
|
'CDEF:c=0,clients,ADDNAN',
|
|
'CDEF:d=clients,UN,maxc,UN,1,maxc,IF,*',
|
|
'AREA:c#0F0:up\\l',
|
|
'AREA:d#F00:down\\l',
|
|
'LINE1:c#00F:clients connected\\l',
|
|
]
|
|
subprocess.check_output(args)
|
|
|
|
def update_database(self,db):
|
|
nodes = {}
|
|
clientCount = 0
|
|
for node in db.get_nodes():
|
|
if node.flags['online']:
|
|
if not node.flags['client']:
|
|
nodes[node.id] = node
|
|
node.clients = 0;
|
|
if 'legacy' in node.flags and node.flags['legacy']:
|
|
clientCount -= 1
|
|
else:
|
|
clientCount += 1
|
|
for link in db.get_links():
|
|
source = link.source.interface
|
|
target = link.target.interface
|
|
if source in nodes and not target in nodes:
|
|
nodes[source].clients += 1
|
|
elif target in nodes and not source in nodes:
|
|
nodes[target].clients += 1
|
|
|
|
self.updateGlobalDatabase(len(nodes),clientCount)
|
|
for mac in nodes:
|
|
self.updateNodeDatabase(mac,nodes[mac].clients)
|
|
|
|
def update_images(self):
|
|
""" Creates a image for every rrd file in the database directory.
|
|
"""
|
|
|
|
self.createGlobalGraph()
|
|
|
|
nodeDbFiles = os.listdir(self.dbPath)
|
|
|
|
for fileName in nodeDbFiles:
|
|
if not os.path.isfile(os.path.join(self.dbPath, fileName)):
|
|
continue
|
|
|
|
nodeName = os.path.basename(fileName).split('.')
|
|
if nodeName[1] == 'rrd' and not nodeName[0] == "nodes":
|
|
self.createNodeGraph(nodeName[0])
|