116 lines
4.4 KiB
Python
116 lines
4.4 KiB
Python
import os
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import subprocess
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from ffmap.node import Node
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from . import RRD, DS, RRA
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class NodeRRD(RRD):
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ds_list = [
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DS('upstate', 'GAUGE', 120, 0, 1),
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DS('clients', 'GAUGE', 120, 0, float('NaN')),
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DS('neighbors', 'GAUGE', 120, 0, float('NaN')),
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DS('vpn_neighbors', 'GAUGE', 120, 0, float('NaN')),
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DS('loadavg', 'GAUGE', 120, 0, float('NaN')),
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DS('rx_bytes', 'DERIVE', 120, 0, float('NaN')),
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DS('rx_packets', 'DERIVE', 120, 0, float('NaN')),
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DS('tx_bytes', 'DERIVE', 120, 0, float('NaN')),
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DS('tx_packets', 'DERIVE', 120, 0, float('NaN')),
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DS('mgmt_rx_bytes', 'DERIVE', 120, 0, float('NaN')),
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DS('mgmt_rx_packets', 'DERIVE', 120, 0, float('NaN')),
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DS('mgmt_tx_bytes', 'DERIVE', 120, 0, float('NaN')),
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DS('mgmt_tx_packets', 'DERIVE', 120, 0, float('NaN')),
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DS('forward_bytes', 'DERIVE', 120, 0, float('NaN')),
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DS('forward_packets', 'DERIVE', 120, 0, float('NaN')),
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]
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rra_list = [
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RRA('AVERAGE', 0.5, 1, 120), # 2 hours of 1 minute samples
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RRA('AVERAGE', 0.5, 5, 1440), # 5 days of 5 minute samples
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RRA('AVERAGE', 0.5, 60, 720), # 30 days of 1 hour samples
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RRA('AVERAGE', 0.5, 720, 730), # 1 year of 12 hour samples
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]
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def __init__(self, filename, node = None):
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"""
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Create a new RRD for a given node.
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If the RRD isn't supposed to be updated, the node can be omitted.
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"""
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self.node = node
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super().__init__(filename)
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self.ensureSanity(self.ds_list, self.rra_list, step=60)
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@property
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def imagename(self):
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return os.path.basename(self.filename).rsplit('.', 2)[0] + ".png"
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def update(self):
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values = {
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'upstate': 1,
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'clients': float(len(self.node.get('clients', []))),
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'neighbors': float(len(self.node.get('neighbors', []))),
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'vpn_neighbors': float(len(self.node.vpn_neighbors)),
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'loadavg': float(self.node['statistics']['loadavg']),
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}
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for item in ('rx', 'tx', 'mgmt_rx', 'mgmt_tx', 'forward'):
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try:
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values[item + '_bytes'] = int(self.node['statistics']['traffic'][item]['bytes'])
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except TypeError:
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pass
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try:
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values[item + '_packets'] = int(self.node['statistics']['traffic'][item]['packets'])
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except TypeError:
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pass
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super().update(values)
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def graph(self, directory, timeframe):
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"""
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Create a graph in the given directory. The file will be named
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basename.png if the RRD file is named basename.rrd
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"""
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args = ['rrdtool','graph', os.path.join(directory, self.imagename),
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'-s', '-' + timeframe ,
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'-w', '800',
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'-h', '400',
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'-l', '0',
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'-y', '1:1',
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'DEF:clients=' + self.filename + ':clients:AVERAGE',
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'VDEF:maxc=clients,MAXIMUM',
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'CDEF:c=0,clients,ADDNAN',
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'CDEF:d=clients,UN,maxc,UN,1,maxc,IF,*',
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'AREA:c#0F0:up\\l',
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'AREA:d#F00:down\\l',
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'LINE1:c#00F:clients connected\\l',
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]
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subprocess.check_output(args)
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class GlobalRRD(RRD):
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ds_list = [
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# Number of nodes available
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DS('nodes', 'GAUGE', 120, 0, float('NaN')),
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# Number of client available
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DS('clients', 'GAUGE', 120, 0, float('NaN')),
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]
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rra_list = [
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RRA('AVERAGE', 0.5, 1, 120), # 2 hours of 1 minute samples
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RRA('AVERAGE', 0.5, 60, 744), # 31 days of 1 hour samples
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RRA('AVERAGE', 0.5, 1440, 1780),# ~5 years of 1 day samples
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]
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def __init__(self, filepath):
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super().__init__(filepath)
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self.ensureSanity(self.ds_list, self.rra_list, step=60)
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def update(self, nodeCount, clientCount):
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super().update({'nodes': nodeCount, 'clients': clientCount})
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def graph(self, filename, timeframe):
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args = ["rrdtool", 'graph', filename,
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'-s', '-' + timeframe,
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'-w', '800',
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'-h' '400',
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'DEF:nodes=' + self.filename + ':nodes:AVERAGE',
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'LINE1:nodes#F00:nodes\\l',
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'DEF:clients=' + self.filename + ':clients:AVERAGE',
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'LINE2:clients#00F:clients',
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]
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subprocess.check_output(args)
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