# Faiyaz Ahmed <faiyaza@cs.princeton.edu>
# Copyright (C) 2004-2006 The Trustees of Princeton University
#
-# $Id: bwmon.py,v 1.8 2007/02/14 19:49:03 faiyaza Exp $
+# $Id: bwmon.py,v 1.12 2007/03/06 20:46:54 faiyaza Exp $
#
import os
import sys
import time
import pickle
-import database
import socket
-#import xmlrpclib
import bwlimit
import logger
from sets import Set
+
try:
sys.path.append("/etc/planetlab")
from plc_config import *
PLC_MAIL_SUPPORT_ADDRESS = "support@planet-lab.org"
PLC_MAIL_SLICE_ADDRESS = "SLICE@slices.planet-lab.org"
-
-# Utility functions
-#from pl_mom import *
-
# Constants
seconds_per_day = 24 * 60 * 60
bits_per_byte = 8
# Defaults
debug = False
-verbose = 0
+verbose = False
datafile = "/var/lib/misc/bwmon.dat"
#nm = None
"""
- def __init__(self, xid, name, data):
+ def __init__(self, xid, name, rspec):
self.xid = xid
self.name = name
self.time = 0
self.bytes = 0
self.i2bytes = 0
self.MaxRate = default_MaxRate
- self.MinRate = default_MinRate
+ self.MinRate = default_MinRate
self.Maxi2Rate = default_Maxi2Rate
self.Mini2Rate = default_Mini2Rate
self.MaxKByte = default_MaxKByte
self.Maxi2KByte = default_Maxi2KByte
self.Threshi2KByte = default_Threshi2KByte
self.Share = default_Share
+ self.Sharei2 = default_Share
self.emailed = False
- self.updateSliceAttributes(data)
+ self.updateSliceAttributes(rspec)
bwlimit.set(xid = self.xid,
- minrate = self.MinRate,
- maxrate = self.MaxRate,
- maxexemptrate = self.Maxi2Rate,
- minexemptrate = self.Mini2Rate,
+ minrate = self.MinRate * 1000,
+ maxrate = self.MaxRate * 1000,
+ maxexemptrate = self.Maxi2Rate * 1000,
+ minexemptrate = self.Mini2Rate * 1000,
share = self.Share)
-
def __repr__(self):
return self.name
- @database.synchronized
- def updateSliceAttributes(self, data):
- for sliver in data['slivers']:
- if sliver['name'] == self.name:
- for attribute in sliver['attributes']:
- if attribute['name'] == 'net_min_rate':
- self.MinRate = int(attribute['value'])
- logger.log("bwmon: Updating %s. Min Rate = %s" \
- %(self.name, self.MinRate))
- elif attribute['name'] == 'net_max_rate':
- self.MaxRate = int(attribute['value'])
- logger.log("bwmon: Updating %s. Max Rate = %s" \
- %(self.name, self.MaxRate))
- elif attribute['name'] == 'net_i2_min_rate':
- self.Mini2Rate = int(attribute['value'])
- logger.log("bwmon: Updating %s. Min i2 Rate = %s" \
- %(self.name, self.Mini2Rate))
- elif attribute['name'] == 'net_i2_max_rate':
- self.Maxi2Rate = int(attribute['value'])
- logger.log("bwmon: Updating %s. Max i2 Rate = %s" \
- %(self.name, self.Maxi2Rate))
- elif attribute['name'] == 'net_max_kbyte':
- self.MaxKByte = int(attribute['value'])
- logger.log("bwmon: Updating %s. Max KByte lim = %s" \
- %(self.name, self.MaxKByte))
- elif attribute['name'] == 'net_i2_max_kbyte':
- self.Maxi2KByte = int(attribute['value'])
- logger.log("bwmon: Updating %s. Max i2 KByte = %s" \
- %(self.name, self.Maxi2KByte))
- elif attribute['name'] == 'net_thresh_kbyte':
- self.ThreshKByte = int(attribute['value'])
- logger.log("bwmon: Updating %s. Thresh KByte = %s" \
- %(self.name, self.ThreshKByte))
- elif attribute['name'] == 'net_i2_thresh_kbyte':
- self.Threshi2KByte = int(attribute['value'])
- logger.log("bwmon: Updating %s. i2 Thresh KByte = %s" \
- %(self.name, self.Threshi2KByte))
- elif attribute['name'] == 'net_share':
- self.Share = int(attribute['value'])
- logger.log("bwmon: Updating %s. Net Share = %s" \
- %(self.name, self.Share))
- elif attribute['name'] == 'net_i2_share':
- self.Sharei2 = int(attribute['value'])
- logger.log("bwmon: Updating %s. Net i2 Share = %s" \
- %(self.name, self.i2Share))
-
-
- def reset(self, runningmaxrate, runningmaxi2rate, usedbytes, usedi2bytes, data):
+ def updateSliceAttributes(self, rspec):
+ # Incase the limits have changed.
+ if (self.MaxRate != default_MaxRate) or \
+ (self.Maxi2Rate != default_Maxi2Rate):
+ self.MaxRate = int(bwlimit.get_bwcap() / 1000)
+ self.Maxi2Rate = int(bwlimit.bwmax / 1000)
+
+ # Get attributes
+ if rspec.has_key('net_min_rate'):
+ logger.log("bwmon: Updating %s. Min Rate = %s" %(self.name, self.MinRate))
+ # To ensure min does not go above 25% of nodecap.
+ if int(rspec['net_min_rate']) > int(.25 * default_MaxRate):
+ self.MinRate = int(.25 * default_MaxRate)
+ else:
+ self.MinRate = int(rspec['net_min_rate'])
+
+ MaxRate = int(rspec.get('net_max_rate', bwlimit.get_bwcap() / 1000))
+ if MaxRate != self.MaxRate:
+ self.MaxRate = MaxRate
+ logger.log("bwmon: Updating %s. Max Rate = %s" %(self.name, self.MaxRate))
+
+ Mini2Rate = int(rspec.get('net_i2_min_rate', default_Mini2Rate))
+ if Mini2Rate != self.Mini2Rate:
+ self.Mini2Rate = Mini2Rate
+ logger.log("bwmon: Updating %s. Min i2 Rate = %s" %(self.name, self.Mini2Rate))
+
+ Maxi2Rate = int(rspec.get('net_i2_max_rate', bwlimit.bwmax / 1000))
+ if Maxi2Rate != self.Maxi2Rate:
+ self.Maxi2Rate = Maxi2Rate
+ logger.log("bwmon: Updating %s. Max i2 Rate = %s" %(self.name, self.Maxi2Rate))
+
+ MaxKByte = int(rspec.get('net_max_kbyte', default_MaxKByte))
+ if MaxKByte != self.MaxKByte:
+ self.MaxKByte = MaxKByte
+ logger.log("bwmon: Updating %s. Max KByte lim = %s" %(self.name, self.MaxKByte))
+
+ Maxi2KByte = int(rspec.get('net_i2_max_kbyte', default_Maxi2KByte))
+ if Maxi2KByte != self.Maxi2KByte:
+ self.Maxi2KByte = Maxi2KByte
+ logger.log("bwmon: Updating %s. Max i2 KByte = %s" %(self.name, self.Maxi2KByte))
+
+ ThreshKByte = int(rspec.get('net_thresh_kbyte', default_ThreshKByte))
+ if ThreshKByte != self.ThreshKByte:
+ self.ThreshKByte = ThreshKByte
+ logger.log("bwmon: Updating %s. Thresh KByte = %s" %(self.name, self.ThreshKByte))
+
+ Threshi2KByte = int(rspec.get('net_i2_thresh_kbyte', default_Threshi2KByte))
+ if Threshi2KByte != self.Threshi2KByte:
+ self.Threshi2KByte = Threshi2KByte
+ logger.log("bwmon: Updating %s. i2 Thresh KByte = %s" %(self.name, self.Threshi2KByte))
+
+ Share = int(rspec.get('net_share', default_Share))
+ if Share != self.Share:
+ self.Share = Share
+ logger.log("bwmon: Updating %s. Net Share = %s" %(self.name, self.Share))
+
+ Sharei2 = int(rspec.get('net_i2_share', default_Share))
+ if Sharei2 != self.Sharei2:
+ self.Sharei2 = Sharei2
+ logger.log("bwmon: Updating %s. Net i2 Share = %s" %(self.name, self.i2Share))
+
+
+ def reset(self, runningmaxrate, runningmaxi2rate, usedbytes, usedi2bytes, rspec):
"""
Begin a new recording period. Remove caps by restoring limits
to their default values.
"""
# Query Node Manager for max rate overrides
- self.updateSliceAttributes(data)
+ self.updateSliceAttributes(rspec)
# Reset baseline time
self.time = time.time()
minexemptrate = self.Mini2Rate * 1000,
share = self.Share)
- def update(self, runningmaxrate, runningmaxi2rate, usedbytes, usedi2bytes, data):
+ def update(self, runningmaxrate, runningmaxi2rate, usedbytes, usedi2bytes, rspec):
"""
Update byte counts and check if byte limits have been
exceeded.
"""
# Query Node Manager for max rate overrides
- self.updateSliceAttributes(data)
+ self.updateSliceAttributes(rspec)
# Prepare message parameters from the template
message = ""
'period': format_period(period)}
if usedbytes >= (self.bytes + (self.ThreshKByte * 1024)):
+ sum = self.bytes + (self.ThreshKByte * 1024)
maxbyte = self.MaxKByte * 1024
bytesused = usedbytes - self.bytes
timeused = int(time.time() - self.time)
new_maxrate = int(((maxbyte - bytesused) * 8)/(period - timeused))
- if new_maxrate < self.MinRate:
- new_maxrate = self.MinRate
+ if new_maxrate < (self.MinRate * 1000):
+ new_maxrate = self.MinRate * 1000
else:
new_maxrate = self.MaxRate * 1000
# Format template parameters for low bandwidth message
params['class'] = "low bandwidth"
params['bytes'] = format_bytes(usedbytes - self.bytes)
- params['maxrate'] = bwlimit.format_tc_rate(runningmaxrate)
params['limit'] = format_bytes(self.MaxKByte * 1024)
params['new_maxrate'] = bwlimit.format_tc_rate(new_maxrate)
# Cap low bandwidth burst rate
if new_maxrate != runningmaxrate:
message += template % params
- logger.log("bwmon: %(slice)s %(class)s capped at %(new_maxrate)s/s " % params)
+ logger.log("bwmon: ** %(slice)s %(class)s capped at %(new_maxrate)s/s " % params)
if usedi2bytes >= (self.i2bytes + (self.Threshi2KByte * 1024)):
maxi2byte = self.Maxi2KByte * 1024
i2bytesused = usedi2bytes - self.i2bytes
timeused = int(time.time() - self.time)
new_maxi2rate = int(((maxi2byte - i2bytesused) * 8)/(period - timeused))
- if new_maxi2rate < self.Mini2Rate:
- new_maxi2rate = self.Mini2Rate
+ if new_maxi2rate < (self.Mini2Rate * 1000):
+ new_maxi2rate = self.Mini2Rate * 1000
else:
new_maxi2rate = self.Maxi2Rate * 1000
# Format template parameters for high bandwidth message
params['class'] = "high bandwidth"
params['bytes'] = format_bytes(usedi2bytes - self.i2bytes)
- params['maxrate'] = bwlimit.format_tc_rate(runningmaxi2rate)
params['limit'] = format_bytes(self.Maxi2KByte * 1024)
params['new_maxexemptrate'] = bwlimit.format_tc_rate(new_maxi2rate)
self.emailed = True
slicemail(self.name, subject, message + (footer % params))
-def GetSlivers(data):
+def GetSlivers(db):
# Defaults
global datafile, \
period, \
default_Share,\
verbose
- verbose = True
# All slices
names = []
+ # Incase the limits have changed.
+ default_MaxRate = int(bwlimit.get_bwcap() / 1000)
+ default_Maxi2Rate = int(bwlimit.bwmax / 1000)
+
+ # Incase default isn't set yet.
+ if default_MaxRate == -1:
+ default_MaxRate = 1000000
+
try:
f = open(datafile, "r+")
- if verbose:
- logger.log("bwmon: Loading %s" % datafile)
+ logger.log("bwmon: Loading %s" % datafile)
(version, slices) = pickle.load(f)
f.close()
# Check version of data file
- if version != "$Id: bwmon.py,v 1.8 2007/02/14 19:49:03 faiyaza Exp $":
+ if version != "$Id: bwmon.py,v 1.12 2007/03/06 20:46:54 faiyaza Exp $":
logger.log("bwmon: Not using old version '%s' data file %s" % (version, datafile))
raise Exception
except Exception:
- version = "$Id: bwmon.py,v 1.8 2007/02/14 19:49:03 faiyaza Exp $"
+ version = "$Id: bwmon.py,v 1.12 2007/03/06 20:46:54 faiyaza Exp $"
slices = {}
# Get/set special slice IDs
default_xid = bwlimit.get_xid("default")
if root_xid not in slices.keys():
- slices[root_xid] = Slice(root_xid, "root", data)
- slices[root_xid].reset(0, 0, 0, 0, data)
+ slices[root_xid] = Slice(root_xid, "root", {})
+ slices[root_xid].reset(0, 0, 0, 0, {})
if default_xid not in slices.keys():
- slices[default_xid] = Slice(default_xid, "default", data)
- slices[default_xid].reset(0, 0, 0, 0, data)
+ slices[default_xid] = Slice(default_xid, "default", {})
+ slices[default_xid].reset(0, 0, 0, 0, {})
live = {}
- # Get running slivers. {xid: name}
- for sliver in data['slivers']:
- live[bwlimit.get_xid(sliver['name'])] = sliver['name']
+ # Get running slivers that should be on this node (from plc). {xid: name}
+ for sliver in db.keys():
+ live[bwlimit.get_xid(sliver)] = sliver
# Setup new slices.
# live.xids - runing.xids = new.xids
newslicesxids = Set(live.keys()) - Set(slices.keys())
for newslicexid in newslicesxids:
- if newslicexid != None:
+ if newslicexid != None or db[live[newslicexid]].has_key('_rspec') != True:
logger.log("bwmon: New Slice %s" % live[newslicexid])
- slices[newslicexid] = Slice(newslicexid, live[newslicexid], data)
- slices[newslicexid].reset(0, 0, 0, 0, data)
+ rspec = db[live[newslicexid]]['_rspec']
+ slices[newslicexid] = Slice(newslicexid, live[newslicexid], rspec)
+ slices[newslicexid].reset(0, 0, 0, 0, rspec)
else:
logger.log("bwmon Slice %s doesn't have xid. Must be delegated. Skipping." % live[newslicexid])
# Get actual running values from tc.
# that the byte counters have overflowed (or, more
# likely, the node was restarted or the HTB buckets
# were re-initialized).
- slice.reset(maxrate, maxexemptrate, usedbytes, usedi2bytes, data)
+ slice.reset(maxrate, \
+ maxexemptrate, \
+ usedbytes, \
+ usedi2bytes, \
+ db[slice.name]['_rspec'])
else:
# Update byte counts
- slice.update(maxrate, maxexemptrate, usedbytes, usedi2bytes, data)
+ slice.update(maxrate, \
+ maxexemptrate, \
+ usedbytes, \
+ usedi2bytes, \
+ db[slice.name]['_rspec'])
else:
# Just in case. Probably (hopefully) this will never happen.
# New slice, initialize state
- if verbose:
- logger.log("bwmon: New Slice %s" % name)
- slice = slices[xid] = Slice(xid, name, data)
- slice.reset(maxrate, maxexemptrate, usedbytes, usedi2bytes, data)
+ logger.log("bwmon: New Slice %s" % name)
+ slice = slices[xid] = Slice(xid, name, db[slice.name]['_rspec'])
+ slice.reset(maxrate, \
+ maxexemptrate, \
+ usedbytes, \
+ usedi2bytes, \
+ db[slice.name]['_rspec'])
# Delete dead slices
dead = Set(slices.keys()) - Set(live.keys())
# for attribute in sliver['attributes']:
# if attribute['name'] == "KByteThresh": print attribute['value']
-def start(options, config):
- pass
-
+#def start(options, config):
+# pass
git://git.onelab.eu / nodemanager.git / blobdiff