def __init__(self, argv=(), env=None, debug=False):
"""Populate Munin Plugin with MuninGraph instances.
@param argv: List of command line arguments.
@param env: Dictionary of environment variables.
@param debug: Print debugging messages if True. (Default: False)
"""
MuninPlugin.__init__(self, argv, env, debug)
self._category = 'Disk IO'
self._info = DiskIOinfo()
self._labelDelim = {'fs': '/', 'lv': '-'}
self._diskList = self._info.getDiskList()
if self._diskList:
self._diskList.sort()
self._configDevRequests('disk', 'Disk', self._diskList)
self._configDevBytes('disk', 'Disk', self._diskList)
self._configDevActive('disk', 'Disk', self._diskList)
self._mdList = self._info.getMDlist()
if self._mdList:
self._mdList.sort()
self._configDevRequests('md', 'MD', self._mdList)
self._configDevBytes('md', 'MD', self._mdList)
self._configDevActive('md', 'MD', self._mdList)
devlist = self._info.getPartitionList()
if devlist:
devlist.sort()
self._partList = [x[1] for x in devlist]
self._configDevRequests('part', 'Partition', self._partList)
self._configDevBytes('part', 'Partition', self._partList)
self._configDevActive('part', 'Partition', self._partList)
else:
self._partList = None
devlist = self._info.getLVlist()
if devlist:
devlist.sort()
self._lvList = ["-".join(x) for x in devlist]
self._configDevRequests('lv', 'LV', self._lvList)
self._configDevBytes('lv', 'LV', self._lvList)
self._configDevActive('lv', 'LV', self._lvList)
else:
self._lvList = None
self._fsList = self._info.getFilesystemList()
self._fsList.sort()
self._configDevRequests('fs', 'Filesystem', self._fsList)
self._configDevBytes('fs', 'Filesystem', self._fsList)
self._configDevActive('fs', 'Filesystem', self._fsList)
def __init__(self, argv=(), env=None, debug=False):
"""Populate Munin Plugin with MuninGraph instances.
@param argv: List of command line arguments.
@param env: Dictionary of environment variables.
@param debug: Print debugging messages if True. (Default: False)
"""
MuninPlugin.__init__(self, argv, env, debug)
self._category = 'Disk IO'
self._info = DiskIOinfo()
self._labelDelim = { 'fs': '/', 'lv': '-'}
self._diskList = self._info.getDiskList()
if self._diskList:
self._diskList.sort()
self._configDevRequests('disk', 'Disk', self._diskList)
self._configDevBytes('disk', 'Disk', self._diskList)
self._configDevActive('disk', 'Disk', self._diskList)
self._mdList = self._info.getMDlist()
if self._mdList:
self._mdList.sort()
self._configDevRequests('md', 'MD', self._mdList)
self._configDevBytes('md', 'MD', self._mdList)
self._configDevActive('md', 'MD', self._mdList)
devlist = self._info.getPartitionList()
if devlist:
devlist.sort()
self._partList = [x[1] for x in devlist]
self._configDevRequests('part', 'Partition', self._partList)
self._configDevBytes('part', 'Partition', self._partList)
self._configDevActive('part', 'Partition', self._partList)
else:
self._partList = None
devlist = self._info.getLVlist()
if devlist:
devlist.sort()
self._lvList = ["-".join(x) for x in devlist]
self._configDevRequests('lv', 'LV', self._lvList)
self._configDevBytes('lv', 'LV', self._lvList)
self._configDevActive('lv', 'LV', self._lvList)
else:
self._lvList = None
self._fsList = self._info.getFilesystemList()
self._fsList.sort()
self._configDevRequests('fs', 'Filesystem', self._fsList)
self._configDevBytes('fs', 'Filesystem', self._fsList)
self._configDevActive('fs', 'Filesystem', self._fsList)
def __init__(self, argv = (), env = {}):
"""Populate Munin Plugin with MuninGraph instances.
@param argv: List of command line arguments.
@param env: Dictionary of environment variables.
"""
MuninPlugin.__init__(self, argv, env)
self._info = DiskIOinfo()
self._diskList = self._info.getDiskList()
if self._diskList:
self._diskList.sort()
self._configDevRequests('disk', 'Disk', self._diskList)
self._configDevBytes('disk', 'Disk', self._diskList)
self._configDevActive('disk', 'Disk', self._diskList)
self._mdList = self._info.getMDlist()
if self._mdList:
self._mdList.sort()
self._configDevRequests('md', 'MD', self._mdList)
self._configDevBytes('md', 'MD', self._mdList)
self._configDevActive('md', 'MD', self._mdList)
devlist = self._info.getPartitionList()
if devlist:
devlist.sort()
self._partList = [x[1] for x in devlist]
self._configDevRequests('part', 'Partition', self._partList)
self._configDevBytes('part', 'Partition', self._partList)
self._configDevActive('part', 'Partition', self._partList)
devlist = self._info.getLVlist()
if devlist:
devlist.sort()
self._lvList = ["-".join(x) for x in devlist]
self._configDevRequests('lv', 'LV', self._lvList)
self._configDevBytes('lv', 'LV', self._lvList)
self._configDevActive('lv', 'LV', self._lvList)
self._fsList = self._info.getFilesystemList()
self._fsList.sort()
self._configDevRequests('fs', 'Filesystem', self._fsList)
self._configDevBytes('fs', 'Filesystem', self._fsList)
self._configDevActive('fs', 'Filesystem', self._fsList)
class MuninDiskIOplugin(MuninPlugin):
"""Multigraph Munin Plugin for monitoring Disk I/O.
"""
plugin_name = 'diskiostats'
isMultigraph = True
def __init__(self, argv=(), env=None, debug=False):
"""Populate Munin Plugin with MuninGraph instances.
@param argv: List of command line arguments.
@param env: Dictionary of environment variables.
@param debug: Print debugging messages if True. (Default: False)
"""
MuninPlugin.__init__(self, argv, env, debug)
self._category = 'Disk IO'
self._info = DiskIOinfo()
self._labelDelim = { 'fs': '/', 'lv': '-'}
self._diskList = self._info.getDiskList()
if self._diskList:
self._diskList.sort()
self._configDevRequests('disk', 'Disk', self._diskList)
self._configDevBytes('disk', 'Disk', self._diskList)
self._configDevActive('disk', 'Disk', self._diskList)
self._mdList = self._info.getMDlist()
if self._mdList:
self._mdList.sort()
self._configDevRequests('md', 'MD', self._mdList)
self._configDevBytes('md', 'MD', self._mdList)
self._configDevActive('md', 'MD', self._mdList)
devlist = self._info.getPartitionList()
if devlist:
devlist.sort()
self._partList = [x[1] for x in devlist]
self._configDevRequests('part', 'Partition', self._partList)
self._configDevBytes('part', 'Partition', self._partList)
self._configDevActive('part', 'Partition', self._partList)
else:
self._partList = None
self._lvList = self._info.getLVnameList()
if self._lvList:
self._lvList.sort()
self._configDevRequests('lv', 'LV', self._lvList)
self._configDevBytes('lv', 'LV', self._lvList)
self._configDevActive('lv', 'LV', self._lvList)
else:
self._lvList = None
self._fsList = self._info.getFilesystemList()
self._fsList.sort()
self._configDevRequests('fs', 'Filesystem', self._fsList)
self._configDevBytes('fs', 'Filesystem', self._fsList)
self._configDevActive('fs', 'Filesystem', self._fsList)
def retrieveVals(self):
"""Retrieve values for graphs."""
if self._diskList:
self._fetchDevAll('disk', self._diskList,
self._info.getDiskStats)
if self._mdList:
self._fetchDevAll('md', self._mdList,
self._info.getMDstats)
if self._partList:
self._fetchDevAll('part', self._partList,
self._info.getPartitionStats)
if self._lvList:
self._fetchDevAll('lv', self._lvList,
self._info.getLVstats)
self._fetchDevAll('fs', self._fsList,
self._info.getFilesystemStats)
def _configDevRequests(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Request stats.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_requests' % namestr
if self.graphEnabled(name):
graph = MuninGraph('Disk I/O - %s - Requests' % titlestr, self._category,
info='Disk I/O - %s Throughput, Read / write requests per second.'
% titlestr,
args='--base 1000 --lower-limit 0',
vlabel='reqs/sec read (-) / write (+)', printf='%6.1lf',
autoFixNames = True)
for dev in devlist:
graph.addField(dev + '_read',
fixLabel(dev, maxLabelLenGraphDual,
repl = '..', truncend=False,
delim = self._labelDelim.get(namestr)),
draw='LINE2', type='DERIVE', min=0, graph=False)
graph.addField(dev + '_write',
fixLabel(dev, maxLabelLenGraphDual,
repl = '..', truncend=False,
delim = self._labelDelim.get(namestr)),
draw='LINE2', type='DERIVE', min=0,
negative=(dev + '_read'),info=dev)
self.appendGraph(name, graph)
def _configDevBytes(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Throughput stats.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_bytes' % namestr
if self.graphEnabled(name):
graph = MuninGraph('Disk I/O - %s - Throughput' % titlestr, self._category,
info='Disk I/O - %s Throughput, bytes read / written per second.'
% titlestr,
args='--base 1000 --lower-limit 0', printf='%6.1lf',
vlabel='bytes/sec read (-) / write (+)',
autoFixNames = True)
for dev in devlist:
graph.addField(dev + '_read',
fixLabel(dev, maxLabelLenGraphDual,
repl = '..', truncend=False,
delim = self._labelDelim.get(namestr)),
draw='LINE2', type='DERIVE', min=0, graph=False)
graph.addField(dev + '_write',
fixLabel(dev, maxLabelLenGraphDual,
repl = '..', truncend=False,
delim = self._labelDelim.get(namestr)),
draw='LINE2', type='DERIVE', min=0,
negative=(dev + '_read'), info=dev)
self.appendGraph(name, graph)
def _configDevActive(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Queue Length.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_active' % namestr
if self.graphEnabled(name):
graph = MuninGraph('Disk I/O - %s - Queue Length' % titlestr,
self._category,
info='Disk I/O - Number of I/O Operations in Progress for every %s.'
% titlestr,
args='--base 1000 --lower-limit 0', printf='%6.1lf',
autoFixNames = True)
for dev in devlist:
graph.addField(dev,
fixLabel(dev, maxLabelLenGraphSimple,
repl = '..', truncend=False,
delim = self._labelDelim.get(namestr)),
draw='AREASTACK', type='GAUGE', info=dev)
self.appendGraph(name, graph)
def _fetchDevAll(self, namestr, devlist, statsfunc):
"""Initialize I/O stats for devices.
@param namestr: Field name component indicating device type.
@param devlist: List of devices.
@param statsfunc: Function for retrieving stats for device.
"""
for dev in devlist:
stats = statsfunc(dev)
name = 'diskio_%s_requests' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev + '_read', stats['rios'])
self.setGraphVal(name, dev + '_write', stats['wios'])
name = 'diskio_%s_bytes' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev + '_read', stats['rbytes'])
self.setGraphVal(name, dev + '_write', stats['wbytes'])
name = 'diskio_%s_active' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev, stats['ios_active'])
def autoconf(self):
"""Implements Munin Plugin Auto-Configuration Option.
@return: True if plugin can be auto-configured, False otherwise.
"""
# If no exception is thrown during initialization, the plugin should work.
return True
class MuninDiskIOplugin(MuninPlugin):
"""Multigraph Munin Plugin for monitoring Disk I/O.
"""
plugin_name = 'diskiostats'
isMultigraph = True
def __init__(self, argv=(), env={}, debug=False):
"""Populate Munin Plugin with MuninGraph instances.
@param argv: List of command line arguments.
@param env: Dictionary of environment variables.
@param debug: Print debugging messages if True. (Default: False)
"""
MuninPlugin.__init__(self, argv, env, debug)
self._info = DiskIOinfo()
self._labelDelim = {'fs': '/', 'lv': '-'}
self._diskList = self._info.getDiskList()
if self._diskList:
self._diskList.sort()
self._configDevRequests('disk', 'Disk', self._diskList)
self._configDevBytes('disk', 'Disk', self._diskList)
self._configDevActive('disk', 'Disk', self._diskList)
self._mdList = self._info.getMDlist()
if self._mdList:
self._mdList.sort()
self._configDevRequests('md', 'MD', self._mdList)
self._configDevBytes('md', 'MD', self._mdList)
self._configDevActive('md', 'MD', self._mdList)
devlist = self._info.getPartitionList()
if devlist:
devlist.sort()
self._partList = [x[1] for x in devlist]
self._configDevRequests('part', 'Partition', self._partList)
self._configDevBytes('part', 'Partition', self._partList)
self._configDevActive('part', 'Partition', self._partList)
else:
self._partList = None
devlist = self._info.getLVlist()
if devlist:
devlist.sort()
self._lvList = ["-".join(x) for x in devlist]
self._configDevRequests('lv', 'LV', self._lvList)
self._configDevBytes('lv', 'LV', self._lvList)
self._configDevActive('lv', 'LV', self._lvList)
else:
self._lvList = None
self._fsList = self._info.getFilesystemList()
self._fsList.sort()
self._configDevRequests('fs', 'Filesystem', self._fsList)
self._configDevBytes('fs', 'Filesystem', self._fsList)
self._configDevActive('fs', 'Filesystem', self._fsList)
def retrieveVals(self):
"""Retrieve values for graphs."""
if self._diskList:
self._fetchDevAll('disk', self._diskList, self._info.getDiskStats)
if self._mdList:
self._fetchDevAll('md', self._mdList, self._info.getMDstats)
if self._partList:
self._fetchDevAll('part', self._partList,
self._info.getPartitionStats)
if self._lvList:
self._fetchDevAll('lv', self._lvList, self._info.getLVstats)
self._fetchDevAll('fs', self._fsList, self._info.getFilesystemStats)
def _configDevRequests(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Request stats.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_requests' % namestr
if self.graphEnabled(name):
graph = MuninGraph(
'Disk I/O - %s - Requests' % titlestr,
'Disk I/O',
info=
'Disk I/O - %s Throughput, Read / write requests per second.' %
titlestr,
args='--base 1000 --lower-limit 0',
vlabel='reqs/sec read (-) / write (+)',
printf='%6.1lf',
autoFixNames=True)
for dev in devlist:
graph.addField(dev + '_read',
fixLabel(dev,
maxLabelLenGraphDual,
repl='..',
truncend=False,
delim=self._labelDelim.get(namestr)),
draw='LINE2',
type='DERIVE',
min=0,
graph=False)
graph.addField(dev + '_write',
fixLabel(dev,
maxLabelLenGraphDual,
repl='..',
truncend=False,
delim=self._labelDelim.get(namestr)),
draw='LINE2',
type='DERIVE',
min=0,
negative=(dev + '_read'),
info=dev)
self.appendGraph(name, graph)
def _configDevBytes(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Throughput stats.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_bytes' % namestr
if self.graphEnabled(name):
graph = MuninGraph(
'Disk I/O - %s - Throughput' % titlestr,
'Disk I/O',
info=
'Disk I/O - %s Throughput, bytes read / written per second.' %
titlestr,
args='--base 1000 --lower-limit 0',
printf='%6.1lf',
vlabel='bytes/sec read (-) / write (+)',
autoFixNames=True)
for dev in devlist:
graph.addField(dev + '_read',
fixLabel(dev,
maxLabelLenGraphDual,
repl='..',
truncend=False,
delim=self._labelDelim.get(namestr)),
draw='LINE2',
type='DERIVE',
min=0,
graph=False)
graph.addField(dev + '_write',
fixLabel(dev,
maxLabelLenGraphDual,
repl='..',
truncend=False,
delim=self._labelDelim.get(namestr)),
draw='LINE2',
type='DERIVE',
min=0,
negative=(dev + '_read'),
info=dev)
self.appendGraph(name, graph)
def _configDevActive(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Queue Length.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_active' % namestr
if self.graphEnabled(name):
graph = MuninGraph(
'Disk I/O - %s - Queue Length' % titlestr,
'Disk I/O',
info=
'Disk I/O - Number of I/O Operations in Progress for every %s.'
% titlestr,
args='--base 1000 --lower-limit 0',
printf='%6.1lf',
autoFixNames=True)
for dev in devlist:
graph.addField(dev,
fixLabel(dev,
maxLabelLenGraphSimple,
repl='..',
truncend=False,
delim=self._labelDelim.get(namestr)),
draw='AREASTACK',
type='GAUGE',
info=dev)
self.appendGraph(name, graph)
def _fetchDevAll(self, namestr, devlist, statsfunc):
"""Initialize I/O stats for devices.
@param namestr: Field name component indicating device type.
@param devlist: List of devices.
@param statsfunc: Function for retrieving stats for device.
"""
for dev in devlist:
stats = statsfunc(dev)
name = 'diskio_%s_requests' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev + '_read', stats['rios'])
self.setGraphVal(name, dev + '_write', stats['wios'])
name = 'diskio_%s_bytes' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev + '_read', stats['rbytes'])
self.setGraphVal(name, dev + '_write', stats['wbytes'])
name = 'diskio_%s_active' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev, stats['ios_active'])
class MuninDiskIOplugin(MuninPlugin):
"""Multigraph Munin Plugin for monitoring Disk I/O.
"""
plugin_name = 'diskiostats'
isMultigraph = True
def __init__(self, argv = (), env = {}):
"""Populate Munin Plugin with MuninGraph instances.
@param argv: List of command line arguments.
@param env: Dictionary of environment variables.
"""
MuninPlugin.__init__(self, argv, env)
self._info = DiskIOinfo()
self._diskList = self._info.getDiskList()
if self._diskList:
self._diskList.sort()
self._configDevRequests('disk', 'Disk', self._diskList)
self._configDevBytes('disk', 'Disk', self._diskList)
self._configDevActive('disk', 'Disk', self._diskList)
self._mdList = self._info.getMDlist()
if self._mdList:
self._mdList.sort()
self._configDevRequests('md', 'MD', self._mdList)
self._configDevBytes('md', 'MD', self._mdList)
self._configDevActive('md', 'MD', self._mdList)
devlist = self._info.getPartitionList()
if devlist:
devlist.sort()
self._partList = [x[1] for x in devlist]
self._configDevRequests('part', 'Partition', self._partList)
self._configDevBytes('part', 'Partition', self._partList)
self._configDevActive('part', 'Partition', self._partList)
devlist = self._info.getLVlist()
if devlist:
devlist.sort()
self._lvList = ["-".join(x) for x in devlist]
self._configDevRequests('lv', 'LV', self._lvList)
self._configDevBytes('lv', 'LV', self._lvList)
self._configDevActive('lv', 'LV', self._lvList)
self._fsList = self._info.getFilesystemList()
self._fsList.sort()
self._configDevRequests('fs', 'Filesystem', self._fsList)
self._configDevBytes('fs', 'Filesystem', self._fsList)
self._configDevActive('fs', 'Filesystem', self._fsList)
def retrieveVals(self):
"""Retrive values for graphs."""
if self._diskList:
self._fetchDevAll('disk', self._diskList,
self._info.getDiskStats)
if self._mdList:
self._fetchDevAll('md', self._mdList,
self._info.getMDstats)
if self._partList:
self._fetchDevAll('part', self._partList,
self._info.getPartitionStats)
if self._lvList:
self._fetchDevAll('lv', self._lvList,
self._info.getLVstats)
self._fetchDevAll('fs', self._fsList,
self._info.getFilesystemStats)
def _configDevRequests(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Request stats.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_requests' % namestr
if self.graphEnabled(name):
graph = MuninGraph('Disk I/O - %s - Requests' % titlestr, 'Disk I/O',
info='Disk I/O - %s Throughput, Read / write requests per second.'
% titlestr,
args='--base 1000 --lower-limit 0',
vlabel='reqs/sec read (-) / write (+)')
for dev in devlist:
graph.addField(dev + '_read', namestr, draw='LINE2',
type='DERIVE', min=0, graph=False)
graph.addField(dev + '_write', namestr, draw='LINE2',
type='DERIVE', min=0, negative=(dev + '_read'))
self.appendGraph(name, graph)
def _configDevBytes(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Throughput stats.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_bytes' % namestr
if self.graphEnabled(name):
graph = MuninGraph('Disk I/O - %s - Throughput' % titlestr, 'Disk I/O',
info='Disk I/O - %s Throughput, bytes read / written per second.'
% titlestr,
args='--base 1000 --lower-limit 0',
vlabel='bytes/sec read (-) / write (+)')
for dev in devlist:
graph.addField(dev + '_read', dev, draw='LINE2', type='DERIVE',
min=0, graph=False)
graph.addField(dev + '_write', dev, draw='LINE2', type='DERIVE',
min=0, negative=(dev + '_read'))
self.appendGraph(name, graph)
def _configDevActive(self, namestr, titlestr, devlist):
"""Generate configuration for I/O Queue Length.
@param namestr: Field name component indicating device type.
@param titlestr: Title component indicating device type.
@param devlist: List of devices.
"""
name = 'diskio_%s_active' % namestr
if self.graphEnabled(name):
graph = MuninGraph('Disk I/O - %s - Queue Length' % titlestr,
'Disk I/O',
info='Disk I/O - Number of I/O Operations in Progress for every %s.'
% titlestr,
args='--base 1000 --lower-limit 0')
for dev in devlist:
graph.addField(dev, dev, draw='AREASTACK', type='GAUGE')
self.appendGraph(name, graph)
def _fetchDevAll(self, namestr, devlist, statsfunc):
"""Initialize I/O stats for devices.
@param namestr: Field name component indicating device type.
@param devlist: List of devices.
@param statsfunc: Function for retrieving stats for device.
"""
for dev in devlist:
stats = statsfunc(dev)
name = 'diskio_%s_requests' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev + '_read', stats['rios'])
self.setGraphVal(name, dev + '_write', stats['wios'])
name = 'diskio_%s_bytes' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev + '_read', stats['rbytes'])
self.setGraphVal(name, dev + '_write', stats['wbytes'])
name = 'diskio_%s_active' % namestr
if self.hasGraph(name):
self.setGraphVal(name, dev, stats['ios_active'])
