-#!/usr/bin/python
-#
-# $Id$
-# $URL$
+#!/usr/bin/python3
#
# Average bandwidth monitoring script. Run periodically via NM db.sync to
# enforce a soft limit on daily bandwidth usage for each slice. If a
import copy
import threading
+import plnode.bwlimit as bwlimit
+
import logger
import tools
-import bwlimit
import database
+from config import Config
priority = 20
DB_FILE = "/var/lib/nodemanager/bwmon.pickle"
-try:
- sys.path.append("/etc/planetlab")
- from plc_config import *
-except:
- DEBUG = True
- logger.verbose("bwmon: Warning: Configuration file /etc/planetlab/plc_config.py not found")
- logger.log("bwmon: Running in DEBUG mode. Logging to file and not emailing.")
-
# Constants
seconds_per_day = 24 * 60 * 60
bits_per_byte = 8
# Burst to line rate (or node cap). Set by NM. in KBit/s
default_MaxRate = int(bwlimit.get_bwcap(dev_default) / 1000)
default_Maxi2Rate = int(bwlimit.bwmax / 1000)
-# 5.4 Gbyte per day. 5.4 * 1024 k * 1024M * 1024G
+# 5.4 Gbyte per day. 5.4 * 1024 k * 1024M * 1024G
# 5.4 Gbyte per day max allowed transfered per recording period
# 5.4 Gbytes per day is aprox 512k/s for 24hrs (approx because original math was wrong
# but its better to keep a higher byte total and keep people happy than correct
# the problem and piss people off.
# default_MaxKByte = 5662310
-# -- 6/1/09
+# -- 6/1/09
# llp wants to double these, so we use the following
# 1mbit * 24hrs * 60mins * 60secs = bits/day
# 1000000 * 24 * 60 * 60 / (1024 * 8)
'''
Front end to sendmail. Sends email to slice alias with given subject and body.
'''
-
- sendmail = os.popen("/usr/sbin/sendmail -N never -t -f%s" % PLC_MAIL_SUPPORT_ADDRESS, "w")
+ config = Config()
+ sendmail = os.popen("/usr/sbin/sendmail -N never -t -f%s" % config.PLC_MAIL_SUPPORT_ADDRESS, "w")
# Parsed from MyPLC config
- to = [PLC_MAIL_MOM_LIST_ADDRESS]
+ to = [config.PLC_MAIL_MOM_LIST_ADDRESS]
if slice is not None and slice != "root":
- to.append(PLC_MAIL_SLICE_ADDRESS.replace("SLICE", slice))
+ to.append(config.PLC_MAIL_SLICE_ADDRESS.replace("SLICE", slice))
- header = {'from': "%s Support <%s>" % (PLC_NAME, PLC_MAIL_SUPPORT_ADDRESS),
+ header = {'from': "%s Support <%s>" % (config.PLC_NAME,
+ config.PLC_MAIL_SUPPORT_ADDRESS),
'to': ", ".join(to),
'version': sys.version.split(" ")[0],
'subject': subject}
i2bytes - high bandwidth bytes transmitted at the beginning of the recording period (for I2 -F)
MaxKByte - total volume of data allowed
ThreshKbyte - After thresh, cap node to (maxkbyte - bytes)/(time left in period)
- Maxi2KByte - same as MaxKByte, but for i2
- Threshi2Kbyte - same as Threshi2KByte, but for i2
- MaxRate - max_rate slice attribute.
+ Maxi2KByte - same as MaxKByte, but for i2
+ Threshi2Kbyte - same as Threshi2KByte, but for i2
+ MaxRate - max_rate slice attribute.
Maxi2Rate - max_exempt_rate slice attribute.
Share - Used by Sirius to loan min rates
Sharei2 - Used by Sirius to loan min rates for i2
self.bytes = 0
self.i2bytes = 0
self.MaxRate = default_MaxRate
- self.MinRate = bwlimit.bwmin / 1000
+ self.MinRate = bwlimit.bwmin // 1000
self.Maxi2Rate = default_Maxi2Rate
- self.Mini2Rate = bwlimit.bwmin / 1000
+ self.Mini2Rate = bwlimit.bwmin // 1000
self.MaxKByte = default_MaxKByte
self.ThreshKByte = int(.8 * self.MaxKByte)
self.Maxi2KByte = default_Maxi2KByte
self.capped = False
self.updateSliceTags(rspec)
- bwlimit.set(xid = self.xid,
- minrate = self.MinRate * 1000,
- maxrate = self.MaxRate * 1000,
- maxexemptrate = self.Maxi2Rate * 1000,
- minexemptrate = self.Mini2Rate * 1000,
- share = self.Share)
+ bwlimit.set(
+ xid=self.xid, dev=dev_default,
+ 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
# Sanity check plus policy decision for MinRate:
# Minrate cant be greater than 25% of MaxRate or NodeCap.
- MinRate = int(rspec.get("net_min_rate", bwlimit.bwmin / 1000))
+ MinRate = int(rspec.get("net_min_rate", bwlimit.bwmin // 1000))
if MinRate > int(.25 * default_MaxRate):
MinRate = int(.25 * default_MaxRate)
if MinRate != self.MinRate:
self.MaxRate = MaxRate
logger.log("bwmon: Updating %s: Max Rate = %s" %(self.name, self.MaxRate))
- Mini2Rate = int(rspec.get('net_i2_min_rate', bwlimit.bwmin / 1000))
+ Mini2Rate = int(rspec.get('net_i2_min_rate', bwlimit.bwmin // 1000))
if Mini2Rate != self.Mini2Rate:
- self.Mini2Rate = 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', default_Maxi2Rate))
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', (MaxKByte * .8)))
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', (Maxi2KByte * .8)))
- if Threshi2KByte != self.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
Sharei2 = int(rspec.get('net_i2_share', default_Share))
if Sharei2 != self.Sharei2:
- self.Sharei2 = Sharei2
+ self.Sharei2 = Sharei2
logger.log("bwmon: Updating %s: Net i2 Share = %s" %(self.name, self.i2Share))
self.Share = runningrates.get('share', 1)
# Query Node Manager for max rate overrides
- self.updateSliceTags(rspec)
+ self.updateSliceTags(rspec)
# Reset baseline time
self.time = time.time()
self.bytes = runningrates.get('usedbytes', 0)
self.i2bytes = runningrates.get('usedi2bytes', 0)
- # Reset email
+ # Reset email
self.emailed = False
# Reset flag
self.capped = False
# Reset rates.
- maxrate = self.MaxRate * 1000
- minrate = self.MinRate * 1000
+ maxrate = self.MaxRate * 1000
+ minrate = self.MinRate * 1000
maxi2rate = self.Maxi2Rate * 1000
mini2rate = self.Mini2Rate * 1000
bwlimit.format_tc_rate(maxrate),
bwlimit.format_tc_rate(maxi2rate)))
bwlimit.set(xid = self.xid, dev = dev_default,
- minrate = self.MinRate * 1000,
- maxrate = self.MaxRate * 1000,
+ minrate = self.MinRate * 1000,
+ maxrate = self.MaxRate * 1000,
maxexemptrate = self.Maxi2Rate * 1000,
minexemptrate = self.Mini2Rate * 1000,
share = self.Share)
params['bytes'] = format_bytes(usedi2bytes - self.i2bytes)
params['limit'] = format_bytes(self.Maxi2KByte * 1024)
params['new_maxrate'] = bwlimit.format_tc_rate(new_maxexemptrate)
-
+
message += template % params
logger.log("bwmon: ** %(slice)s %(class)s capped at %(new_maxrate)s/s " % params)
-
+
# Notify slice
if self.emailed == False:
subject = "pl_mom capped bandwidth of slice %(slice)s on %(hostname)s" % params
def update(self, runningrates, rspec):
"""
Update byte counts and check if byte thresholds have been
- exceeded. If exceeded, cap to remaining bytes in limit over remaining time in period.
+ exceeded. If exceeded, cap to remaining bytes in limit over remaining time in period.
Recalculate every time module runs.
"""
# cache share for later comparison
runningrates['share'] = self.Share
# Query Node Manager for max rate overrides
- self.updateSliceTags(rspec)
+ self.updateSliceTags(rspec)
usedbytes = runningrates['usedbytes']
usedi2bytes = runningrates['usedi2bytes']
bytesused = usedbytes - self.bytes
timeused = int(time.time() - self.time)
# Calcuate new rate. in bit/s
- new_maxrate = int(((maxbyte - bytesused) * 8)/(period - timeused))
+ new_maxrate = int(((maxbyte - bytesused) * 8)
+ / (period - timeused))
# Never go under MinRate
if new_maxrate < (self.MinRate * 1000):
new_maxrate = self.MinRate * 1000
# Sanity Check
new_maxrate = self.MaxRate * 1000
self.capped += False
-
+
if usedi2bytes >= (self.i2bytes + (self.Threshi2KByte * 1024)):
maxi2byte = self.Maxi2KByte * 1024
i2bytesused = usedi2bytes - self.i2bytes
timeused = int(time.time() - self.time)
# Calcuate New Rate.
- new_maxi2rate = int(((maxi2byte - i2bytesused) * 8)/(period - timeused))
+ new_maxi2rate = int(((maxi2byte - i2bytesused) * 8)
+ /(period - timeused))
# Never go under MinRate
if new_maxi2rate < (self.Mini2Rate * 1000):
new_maxi2rate = self.Mini2Rate * 1000
if (runningrates['maxrate'] != new_maxrate) or \
(runningrates['minrate'] != self.MinRate * 1000) or \
(runningrates['maxexemptrate'] != new_maxi2rate) or \
- (runningrates['minexemptrate'] != self.Mini2Rate * 1000) or \
+ ('minexemptrate' in runningrates and runningrates['minexemptrate'] != self.Mini2Rate * 1000) or \
(runningrates['share'] != self.Share):
# Apply parameters
- bwlimit.set(xid = self.xid,
- minrate = self.MinRate * 1000,
+ bwlimit.set(xid = self.xid, dev = dev_default,
+ minrate = self.MinRate * 1000,
maxrate = new_maxrate,
minexemptrate = self.Mini2Rate * 1000,
maxexemptrate = new_maxi2rate,
Turn off HTBs without names.
"""
livehtbs = {}
- for params in bwlimit.get():
+ for params in bwlimit.get(dev = dev_default):
(xid, share,
minrate, maxrate,
minexemptrate, maxexemptrate,
usedbytes, usedi2bytes) = params
-
+
name = bwlimit.get_slice(xid)
if (name is None) \
# Orphaned (not associated with a slice) class
name = "%d?" % xid
logger.log("bwmon: Found orphaned HTB %s. Removing." %name)
- bwlimit.off(xid)
+ bwlimit.off(xid, dev = dev_default)
livehtbs[xid] = {'share': share,
'minrate': minrate,
'maxexemptrate': maxexemptrate,
'minexemptrate': minexemptrate,
'usedbytes': usedbytes,
- 'name': name,
+ 'name': name,
'usedi2bytes': usedi2bytes}
return livehtbs
def sync(nmdbcopy):
"""
- Syncs tc, db, and bwmon.pickle.
- Then, starts new slices, kills old ones, and updates byte accounts for each running slice.
+ Syncs tc, db, and bwmon.pickle.
+ Then, starts new slices, kills old ones, and updates byte accounts for each running slice.
Sends emails and caps those that went over their limit.
"""
# Defaults
period, \
default_MaxRate, \
default_Maxi2Rate, \
- default_MaxKByte,\
- default_Maxi2KByte,\
- default_Share
+ default_MaxKByte, \
+ default_Maxi2KByte, \
+ default_Share, \
+ dev_default
# All slices
names = []
- # In case the limits have changed.
- default_MaxRate = int(bwlimit.get_bwcap() / 1000)
+ # In case the limits have changed.
+ default_MaxRate = int(bwlimit.get_bwcap(dev_default) / 1000)
default_Maxi2Rate = int(bwlimit.bwmax / 1000)
# Incase default isn't set yet.
if default_MaxRate == -1:
default_MaxRate = 1000000
+ # xxx $Id$
+ # with svn we used to have a trick to detect upgrades of this file
+ # this has gone with the move to git, without any noticeable effect on operations though
try:
f = open(DB_FILE, "r+")
logger.verbose("bwmon: Loading %s" % DB_FILE)
root_xid = bwlimit.get_xid("root")
default_xid = bwlimit.get_xid("default")
- # Since root is required for sanity, its not in the API/plc database, so pass {}
+ # Since root is required for sanity, its not in the API/plc database, so pass {}
# to use defaults.
- if root_xid not in slices.keys():
+ if root_xid not in list(slices.keys()):
slices[root_xid] = Slice(root_xid, "root", {})
slices[root_xid].reset({}, {})
-
+
# Used by bwlimit. pass {} since there is no rspec (like above).
- if default_xid not in slices.keys():
+ if default_xid not in list(slices.keys()):
slices[default_xid] = Slice(default_xid, "default", {})
slices[default_xid].reset({}, {})
live = {}
# Get running slivers that should be on this node (from plc). {xid: name}
# db keys on name, bwmon keys on xid. db doesnt have xid either.
- for plcSliver in nmdbcopy.keys():
+ for plcSliver in list(nmdbcopy.keys()):
live[bwlimit.get_xid(plcSliver)] = nmdbcopy[plcSliver]
- logger.verbose("bwmon: Found %s instantiated slices" % live.keys().__len__())
- logger.verbose("bwmon: Found %s slices in dat file" % slices.values().__len__())
+ logger.verbose("bwmon: Found %s instantiated slices" % list(live.keys()).__len__())
+ logger.verbose("bwmon: Found %s slices in dat file" % list(slices.values()).__len__())
# Get actual running values from tc.
# Update slice totals and bandwidth. {xid: {values}}
kernelhtbs = gethtbs(root_xid, default_xid)
- logger.verbose("bwmon: Found %s running HTBs" % kernelhtbs.keys().__len__())
+ logger.verbose("bwmon: Found %s running HTBs" % list(kernelhtbs.keys()).__len__())
# The dat file has HTBs for slices, but the HTBs aren't running
nohtbslices = set(slices.keys()) - set(kernelhtbs.keys())
logger.verbose( "bwmon: Found %s slices in dat but not running." % nohtbslices.__len__())
# Reset tc counts.
for nohtbslice in nohtbslices:
- if live.has_key(nohtbslice):
+ if nohtbslice in live:
slices[nohtbslice].reset( {}, live[nohtbslice]['_rspec'] )
else:
logger.log("bwmon: Removing abondoned slice %s from dat." % nohtbslice)
slicesnodat = set(kernelhtbs.keys()) - set(slices.keys())
logger.verbose( "bwmon: Found %s slices with HTBs but not in dat" % slicesnodat.__len__())
for slicenodat in slicesnodat:
- # But slice is running
- if live.has_key(slicenodat):
+ # But slice is running
+ if slicenodat in live:
# init the slice. which means start accounting over since kernel
# htb was already there.
- slices[slicenodat] = Slice(slicenodat,
- live[slicenodat]['name'],
+ slices[slicenodat] = Slice(slicenodat,
+ live[slicenodat]['name'],
live[slicenodat]['_rspec'])
# Get new slices.
# Slices in GetSlivers but not running HTBs
newslicesxids = set(live.keys()) - set(kernelhtbs.keys())
logger.verbose("bwmon: Found %s new slices" % newslicesxids.__len__())
-
+
# Setup new slices
for newslice in newslicesxids:
# Delegated slices dont have xids (which are uids) since they haven't been
# instantiated yet.
- if newslice != None and live[newslice].has_key('_rspec') == True:
+ if newslice != None and ('_rspec' in live[newslice]) == True:
# Check to see if we recently deleted this slice.
- if live[newslice]['name'] not in deaddb.keys():
+ if live[newslice]['name'] not in list(deaddb.keys()):
logger.log( "bwmon: new slice %s" % live[newslice]['name'] )
# _rspec is the computed rspec: NM retrieved data from PLC, computed loans
# and made a dict of computed values.
"maxexemptrate": deadslice['slice'].Maxi2Rate * 1000,
"usedbytes": deadslice['htb']['usedbytes'] * 1000,
"usedi2bytes": deadslice['htb']['usedi2bytes'],
- "share":deadslice['htb']['share']}
+ "share":deadslice['htb']['share']}
slices[newslice].reset(newvals, live[newslice]['_rspec'])
# Bring up to date
slices[newslice].update(newvals, live[newslice]['_rspec'])
if deadxid == root_xid or deadxid == default_xid:
continue
logger.log("bwmon: removing dead slice %s " % deadxid)
- if slices.has_key(deadxid) and kernelhtbs.has_key(deadxid):
+ if deadxid in slices and deadxid in kernelhtbs:
# add slice (by name) to deaddb
logger.log("bwmon: Saving bandwidth totals for %s." % slices[deadxid].name)
deaddb[slices[deadxid].name] = {'slice': slices[deadxid], 'htb': kernelhtbs[deadxid]}
del slices[deadxid]
- if kernelhtbs.has_key(deadxid):
+ if deadxid in kernelhtbs:
logger.verbose("bwmon: Removing HTB for %s." % deadxid)
- bwlimit.off(deadxid)
-
+ bwlimit.off(deadxid, dev = dev_default)
+
# Clean up deaddb
- for deadslice in deaddb.keys():
+ for deadslice in list(deaddb.keys()):
if (time.time() >= (deaddb[deadslice]['slice'].time + period)):
logger.log("bwmon: Removing dead slice %s from dat." \
% deaddb[deadslice]['slice'].name)
# Get actual running values from tc since we've added and removed buckets.
# Update slice totals and bandwidth. {xid: {values}}
kernelhtbs = gethtbs(root_xid, default_xid)
- logger.verbose("bwmon: now %s running HTBs" % kernelhtbs.keys().__len__())
+ logger.verbose("bwmon: now %s running HTBs" % list(kernelhtbs.keys()).__len__())
# Update all byte limites on all slices
- for (xid, slice) in slices.iteritems():
+ for (xid, slice) in slices.items():
# Monitor only the specified slices
if xid == root_xid or xid == default_xid: continue
if names and name not in names:
continue
-
+
if (time.time() >= (slice.time + period)) or \
(kernelhtbs[xid]['usedbytes'] < slice.bytes) or \
(kernelhtbs[xid]['usedi2bytes'] < slice.i2bytes):
# Update byte counts
slice.update(kernelhtbs[xid], live[xid]['_rspec'])
- logger.verbose("bwmon: Saving %s slices in %s" % (slices.keys().__len__(),DB_FILE))
+ logger.verbose("bwmon: Saving %s slices in %s" % (list(slices.keys()).__len__(), DB_FILE))
f = open(DB_FILE, "w")
pickle.dump((version, slices, deaddb), f)
f.close()
'''
status = True
# default slice
- dfltslice = nmdbcopy.get(PLC_SLICE_PREFIX+"_default")
- if dfltslice:
+ dfltslice = nmdbcopy.get(Config().PLC_SLICE_PREFIX+"_default")
+ if dfltslice:
if dfltslice['rspec']['net_max_rate'] == -1:
allOff()
status = False
kernelhtbs = gethtbs(root_xid, default_xid)
if len(kernelhtbs):
logger.log("bwmon: Disabling all running HTBs.")
- for htb in kernelhtbs.keys(): bwlimit.off(htb)
+ for htb in list(kernelhtbs.keys()): bwlimit.off(htb, dev = dev_default)
lock = threading.Event()
def run():
"""
- When run as a thread, wait for event, lock db, deep copy it, release it,
+ When run as a thread, wait for event, lock db, deep copy it, release it,
run bwmon.GetSlivers(), then go back to waiting.
"""
logger.verbose("bwmon: Thread started")
database.db_lock.acquire()
nmdbcopy = copy.deepcopy(database.db)
database.db_lock.release()
- try:
+ try:
if getDefaults(nmdbcopy) and len(bwlimit.tc("class show dev %s" % dev_default)) > 0:
# class show to check if net:InitNodeLimit:bwlimit.init has run.
sync(nmdbcopy)
tools.as_daemon_thread(run)
def GetSlivers(*args):
- logger.verbose ("bwmon: triggering dummy GetSlivers")
+ logger.verbose ("bwmon: triggering dummy GetSlivers")
pass
git://git.onelab.eu / nodemanager.git / blobdiff