ffmap-backend/lib/rrddb.py

62 lines
2.1 KiB
Python

#!/usr/bin/env python3
import time
import os
from lib.GlobalRRD import GlobalRRD
from lib.NodeRRD import NodeRRD
from lib.GateRRD import GateRRD
class RRD(object):
def __init__(self,
database_directory,
image_path,
display_time_global="7d",
display_time_node="1d"):
self.dbPath = database_directory
self.globalDb = GlobalRRD(self.dbPath)
self.imagePath = image_path
self.displayTimeGlobal = display_time_global
self.displayTimeNode = display_time_node
self.currentTimeInt = (int(time.time()) / 60) * 60
self.currentTime = str(self.currentTimeInt)
def update_database(self, nodes):
online_nodes = dict(filter(
lambda d: d[1]['flags']['online'], nodes.items()))
client_count = sum(map(
lambda d: d['statistics']['clients'], online_nodes.values()))
# Refresh global database
self.globalDb.update(len(online_nodes), client_count)
# Refresh databases for all single nodes
for node_id, node in online_nodes.items():
if node['flags']['gateway']:
rrd = GateRRD(os.path.join(self.dbPath, node_id + '.rrd'), node)
else:
rrd = NodeRRD(os.path.join(self.dbPath, node_id + '.rrd'), node)
rrd.update()
def update_images(self):
# Create image path if it does not exist
try:
os.stat(self.imagePath)
except OSError:
os.mkdir(self.imagePath)
self.globalDb.graph(os.path.join(self.imagePath, "globalGraph.png"),
self.displayTimeGlobal)
nodedb_files = os.listdir(self.dbPath)
for file_name in nodedb_files:
if not os.path.isfile(os.path.join(self.dbPath, file_name)):
continue
node_name = os.path.basename(file_name).split('.')
if node_name[1] == 'rrd' and not node_name[0] == "nodes":
rrd = NodeRRD(os.path.join(self.dbPath, file_name))
rrd.graph(self.imagePath, self.displayTimeNode)