def tokenparser(self, toklist, toktypes, indent):
"""Parse directive arguments."""
super(RPI, self).tokenparser(toklist, toktypes, indent)
try:
self.args.sensor
except AttributeError:
raise directive.ParseFailure('Sensor not specified')
try:
self.args.sensortype
except AttributeError:
raise directive.ParseFailure('Sensor type not specified')
if self.args.sensor == 'DHT':
try:
self.args.gpiopin
self.defaultVarDict['gpiopin'] = self.args.sensor
except AttributeError:
raise directive.ParseFailure('GPIO pin not specified')
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure('Rule not specified')
self.defaultVarDict['sensor'] = self.args.sensor
self.defaultVarDict['sensortype'] = self.args.sensortype
self.defaultVarDict['rule'] = self.args.rule
# define unique ID
if self.ID is None:
self.ID = '%s.RPI.%s' % (log.hostname, self.args.sensor)
self.state.ID = self.ID
log.log(
"<disk>RPI.tokenparser(): ID '%s' sensor '%s' rule '%s'" %
(self.state.ID, self.args.sensor, self.args.rule), 8)
def tokenparser(self, toklist, toktypes, indent):
super(COM, self).tokenparser(toklist, toktypes, indent)
# test required arguments
try:
self.args.cmd
except AttributeError:
raise directive.ParseFailure("Command (cmd) not specified")
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure("Rule not specified")
# Set any COM-specific variables
# cmd = the command
self.defaultVarDict['cmd'] = self.args.cmd
# define the unique ID
if self.ID is None:
self.ID = '%s.COM.%s.%s' % (log.hostname, self.args.cmd,
self.args.rule)
self.state.ID = self.ID
log.log("<directive>COM.tokenparser(): ID '%s' cmd '%s' rule '%s'" %
(self.state.ID, self.args.cmd, self.args.rule), 8)
def tokenparser(self, toklist, toktypes, indent):
"""Parse directive arguments."""
super(RPI, self).tokenparser(toklist, toktypes, indent)
try:
self.args.sensor
except AttributeError:
raise directive.ParseFailure('Sensor not specified')
try:
self.args.sensortype
except AttributeError:
raise directive.ParseFailure('Sensor type not specified')
if self.args.sensor == 'DHT':
try:
self.args.gpiopin
self.defaultVarDict['gpiopin'] = self.args.sensor
except AttributeError:
raise directive.ParseFailure('GPIO pin not specified')
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure('Rule not specified')
self.defaultVarDict['sensor'] = self.args.sensor
self.defaultVarDict['sensortype'] = self.args.sensortype
self.defaultVarDict['rule'] = self.args.rule
# define unique ID
if self.ID is None:
self.ID = '%s.RPI.%s' % (log.hostname, self.args.sensor)
self.state.ID = self.ID
log.log("<disk>RPI.tokenparser(): ID '%s' sensor '%s' rule '%s'" %
(self.state.ID, self.args.sensor, self.args.rule), 8)
def getData(self):
if self.args.protocol == 'tcp' or self.args.protocol == 'TCP':
connections = self.data_collectors['netstat.TCPtable'].getHash()
elif self.args.protocol == 'udp' or self.args.protocol == 'UDP':
connections = self.data_collectors['netstat.UDPtable'].getHash()
else:
log.log("<directive>SP.getData(): protocol '%s' illegal" %
(self.args.protocol), 8)
raise directive.DirectiveError("protocol '%s' illegal" % (self.args.protocol))
if len(connections) == 0:
log.log("<directive>SP.getData(): Zero connections for protocol '%s'" %
(self.args.protocol), 6)
return None
data = {}
if self.args.bindaddr == 'any':
# only compare port part of connection - ignore bind address
data['exists'] = False
for key in connections.keys():
p = key.split(':')[1]
if p == str(self.port):
data['exists'] = True
break
else:
# compare bind address and port for match
key = "%s:%s" % (self.args.bindaddr, self.port)
data['exists'] = key in connections.keys() # true or false
return data
def tokenparser(self, toklist, toktypes, indent):
"""
Parse directive arguments.
"""
super(FS, self).tokenparser(toklist, toktypes, indent)
# test required arguments
try:
self.args.fs
except AttributeError:
raise directive.ParseFailure("Filesystem not specified")
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure("Rule not specified")
# Set any directive-specific variables
self.defaultVarDict['rule'] = self.args.rule
# define the unique ID
if self.ID is None:
self.ID = '%s.FS.%s' % (log.hostname, self.args.fs)
self.state.ID = self.ID
log.log("<directive>FS.tokenparser(): ID '%s' fs '%s' rule '%s'" %
(self.state.ID, self.args.fs, self.args.rule), 8)
def tokenparser(self, toklist, toktypes, indent):
"""
Parse directive arguments.
"""
super(STORE, self).tokenparser(toklist, toktypes, indent)
# test required arguments
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure("Rule not specified")
# Rule should be a string
if not isinstance(self.args.rule, str):
raise directive.ParseFailure("STORE parse error, rule is not string.")
self.defaultVarDict['rule'] = self.args.rule
# define the unique ID
if self.ID is None:
self.ID = '%s.STORE.%s' % (log.hostname, self.args.rule)
self.state.ID = self.ID
log.log("<directive>STORE.tokenparser(): ID '%s' rule '%s'" %
(self.state.ID, self.args.rule), 8)
def collectData(self):
"""
Collect disk usage data.
"""
# Get information about all local filesystems from 'df'.
rawList = utils.safe_popen('df -l', 'r')
rawList.readline() # skip header
self.data.datahash = {}
self.data.mounthash = {}
lines = rawList.read()
lines = re.sub(r'\n ', '', lines)
lines = lines.split('\n')
for line in lines:
fields = line.split()
if len(fields) == 6:
p = df(fields)
self.data.datahash[
fields[0]] = p # dictionary of filesystem devices
self.data.mounthash[
fields[5]] = p # dictionary of mount points
utils.safe_pclose(rawList)
log.log("<df>dfList.collectData(): filesystem data collected", 7)
def getData(self):
"""
Called by Directive docheck() method to fetch the data required for
evaluating the directive rule.
"""
data = {}
# Check if pidfile exists
try:
pidfile = open(self.args.pidfile, 'r')
except IOError:
# pidfile not found
data['exists'] = False
else:
data['exists'] = True
pid = pidfile.readline()
pidfile.close()
pid = string.strip(pid)
pid = string.split(pid)[0] # Get rid of any other junk after pid
pid = int(pid) # want it as an integer
data['pid'] = pid
# Search for pid in process list
if self.data_collectors['proc.procList'].pidExists(pid) == 0:
# there is no process with pid == pid
data['running'] = False
log.log("<directive>PID.getData(): pid %s not in process list" % (pid), 7)
else:
data['running'] = True
log.log("<directive>PID.getData(): pid %s is in process list" % (pid), 7)
return data
def tokenparser(self, toklist, toktypes, indent):
"""Parse tokenized input."""
super(PROC, self).tokenparser(toklist, toktypes, indent)
# test required arguments
try:
self.args.name
except AttributeError:
raise directive.ParseFailure("Process name not specified")
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure("Rule not specified")
# Set any PROC-specific action variables
# proc_check_name = the process name being checked
self.defaultVarDict['name'] = self.args.name
# define the unique ID
if self.ID is None:
self.ID = '%s.PROC.%s' % (log.hostname, self.args.name)
self.state.ID = self.ID
log.log("<directive>PROC.tokenparser(): ID '%s' name '%s' rule '%s'" %
(self.state.ID, self.args.name, self.args.rule), 8)
def _getuptime(self):
"""Get system statistics from the output of the 'uptime' command.
"""
uptime_cmd = "/usr/bin/uptime"
(retval, output) = utils.safe_getstatusoutput(uptime_cmd)
if retval != 0:
log.log(
"<system>system._getuptime(): error calling '%s'" %
(uptime_cmd), 5)
return None
uptime_dict = {}
uptime_re = ".+up (?P<uptime>.+), (?P<users>[0-9]+) users?, load averages: (?P<loadavg1>[0-9.]+) (?P<loadavg5>[0-9.]+) (?P<loadavg15>[0-9.]+)"
inx = re.compile(uptime_re)
sre = inx.search(output)
if sre:
uptime_dict = sre.groupdict()
else:
log.log(
"<system>system._getuptime(): could not parse uptime output '%s'"
% (output), 5)
return None
# convert types
uptime_dict['uptime'] = uptime_dict['uptime']
uptime_dict['users'] = int(uptime_dict['users'])
uptime_dict['loadavg1'] = float(uptime_dict['loadavg1'])
uptime_dict['loadavg5'] = float(uptime_dict['loadavg5'])
uptime_dict['loadavg15'] = float(uptime_dict['loadavg15'])
return uptime_dict
def getData(self):
"""
Called by Directive docheck() method to fetch the data required for
evaluating the directive rule.
"""
datahash = None
# Get data as directed by rule.
# * this is hard-coded to a few different 'rules' atm. This should be
# cleaned up later to handle any type of rule (TODO)
if self.args.rule[:6] == 'system':
datahash = self.data_collectors['system.system'].getHash() # get dictionary of system stats
elif self.args.rule[:7] == 'netstat':
datahash = self.data_collectors['netstat.stats_ctrs'].getHash() # get dictionary of network stats
elif self.args.rule[:4] == 'proc':
datahash = self.data_collectors['proc.procList'].allprocs() # get dictionary of process details
elif self.args.rule[:2] == 'if':
datahash = self.data_collectors['netstat.netstat'].getAllInterfaces() # get dictionary of interface details
if datahash is None:
log.log("<directive>STORE.getData(): rule '%s' is invalid." %
(self.args.rule), 4)
return None
return datahash
def _getuptime(self):
"""Get system statistics from the output of the 'uptime' command.
"""
uptime_cmd = "/usr/bin/uptime"
(retval, output) = utils.safe_getstatusoutput(uptime_cmd)
if retval != 0:
log.log("<system>system._getuptime(): error calling '%s'"%(uptime_cmd), 5)
return None
uptime_dict = {}
uptime_re = ".+up (?P<uptime>.+), (?P<users>[0-9]+) users?, load averages: (?P<loadavg1>[0-9.]+) (?P<loadavg5>[0-9.]+) (?P<loadavg15>[0-9.]+)"
inx = re.compile(uptime_re)
sre = inx.search(output)
if sre:
uptime_dict = sre.groupdict()
else:
log.log("<system>system._getuptime(): could not parse uptime output '%s'" % (output), 5)
return None
# convert types
uptime_dict['uptime'] = uptime_dict['uptime']
uptime_dict['users'] = int(uptime_dict['users'])
uptime_dict['loadavg1'] = float(uptime_dict['loadavg1'])
uptime_dict['loadavg5'] = float(uptime_dict['loadavg5'])
uptime_dict['loadavg15'] = float(uptime_dict['loadavg15'])
return uptime_dict
def getData(self):
"""Called by Directive docheck() method to fetch the data required for
evaluating the directive rule.
"""
disk = self.data_collectors['diskdevice.DiskStatistics'][self.args.device]
if disk is None:
log.log("<disk>DISK.docheck(): Error, device not found '%s'" %
(self.args.device), 4)
return None
else:
return disk.getHash()
def getData(self):
"""Called by Directive docheck() method to fetch the data required for
evaluating the directive rule.
"""
sensorid = "%s-%s" % (self.args.sensor, self.args.gpiopin)
sensor = self.data_collectors['rpi.DHTData'][sensorid]
if sensor is None:
log.log("<sensor>RPI.docheck(): Error, sensor not found '%s'" %
(sensorid), 4)
return None
else:
return sensor.getHash()
def collectData(self):
self.data.datahash = {}
sensortype = SENSORTYPES['2302']
pin = '4'
humidity, temperature = Adafruit_DHT.read_retry(sensortype, pin)
if humidity is not None and temperature is not None:
sensorid = 'DHT-4'
sensor = DHT(sensorid)
self.data.datahash[sensorid] = sensor
sensor.set_data('humidity', humidity)
sensor.set_data('temperature', temperature)
log.log("<dhtsensor>DHTData.collectData(): Collected data")
def tokenparser(self, toklist, toktypes, indent):
super(PORT, self).tokenparser(toklist, toktypes, indent)
# test required arguments
try:
self.args.host
except AttributeError:
raise directive.ParseFailure("Host not specified")
try:
self.args.port
except AttributeError:
raise directive.ParseFailure("Port not specified")
try:
self.args.port = int(self.args.port)
except ValueError:
raise directive.ParseFailure("Port is not an integer: %s" %
(self.args.port))
# send is optional
try:
self.args.send
except AttributeError:
self.args.send = "" # default to not send
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure("Rule not specified")
# Set any PORT-specific variables
# host = the host
# port = the port
# send = the send string
# expect = the expect string
self.defaultVarDict['host'] = self.args.host
self.defaultVarDict['port'] = self.args.port
self.defaultVarDict['rule'] = self.args.rule
self.defaultVarDict['send'] = self.args.send
if 'expect' in dir(self.args):
self.defaultVarDict['expect'] = self.args.expect
if 'expectrexp' in dir(self.args):
self.defaultVarDict['expectrexp'] = self.args.expectrexp
self.regexp = re.compile(self.args.expectrexp)
# define the unique ID
if self.ID is None:
self.ID = '%s.PORT.%s.%d' % (log.hostname,
self.args.host, self.args.port)
self.state.ID = self.ID
log.log("<directive>PORT.tokenparser(): ID '%s' host '%s' port %d" %
(self.state.ID, self.args.host, self.args.port), 8)
def getData(self):
"""Called by Directive docheck() method to fetch the data required for
evaluating the directive rule.
"""
disk = self.data_collectors['diskdevice.DiskStatistics'][
self.args.device]
if disk is None:
log.log(
"<disk>DISK.docheck(): Error, device not found '%s'" %
(self.args.device), 4)
return None
else:
return disk.getHash()
def getData(self):
"""Called by Directive docheck() method to fetch the data required for
evaluating the directive rule.
"""
sensorid = "%s-%s" % (self.args.sensor, self.args.gpiopin)
sensor = self.data_collectors['rpi.DHTData'][sensorid]
if sensor is None:
log.log(
"<sensor>RPI.docheck(): Error, sensor not found '%s'" %
(sensorid), 4)
return None
else:
return sensor.getHash()
def collectData(self):
"""Collect system statistics data.
"""
self.data.datahash = {} # dict of system data
vmstat_dict = self._getvmstat()
if vmstat_dict:
self.data.datahash.update(vmstat_dict)
uptime_dict = self._getuptime()
if uptime_dict:
self.data.datahash.update(uptime_dict)
log.log("<system>system.collectData(): collected data for %d system statistics" %
(len(self.data.datahash.keys())), 6)
def collectData(self):
"""Collect system statistics data.
"""
self.data.datahash = {} # dict of system data
vmstat_dict = self._getvmstat()
if vmstat_dict:
self.data.datahash.update(vmstat_dict)
uptime_dict = self._getuptime()
if uptime_dict:
self.data.datahash.update(uptime_dict)
log.log(
"<system>system.collectData(): collected data for %d system statistics"
% (len(self.data.datahash.keys())), 6)
def tokenparser(self, toklist, toktypes, indent):
super(SP, self).tokenparser(toklist, toktypes, indent)
# test required arguments
try:
self.args.port
except AttributeError:
raise directive.ParseFailure("Port not specified")
try:
self.args.protocol
except AttributeError:
raise directive.ParseFailure("Protocol not specified")
try:
self.args.bindaddr
except AttributeError:
raise directive.ParseFailure("Bind address not specified")
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure("Rule not specified")
if self.args.bindaddr == '*':
self.args.bindaddr = '0.0.0.0'
self.port_n = self.args.port # remember port name
# lets try resolving this service port to a number
try:
self.port = socket.getservbyname(str(self.port_n), self.args.protocol)
except socket.error:
self.port = self.port_n
self.defaultVarDict['port'] = self.port_n
self.defaultVarDict['bindaddr'] = self.args.bindaddr
self.defaultVarDict['protocol'] = self.args.protocol
# define the unique ID
if self.ID is None:
self.ID = '%s.SP.%s/%s.%s' % (log.hostname, self.args.protocol,
self.port_n, self.args.bindaddr)
self.state.ID = self.ID
log.log("<directive>SP.tokenparser(): ID '%s' protocol '%s', port '%s', bind addr '%s'" %
(self.state.ID, self.args.protocol,
self.port, self.args.bindaddr), 8)
def getData(self):
"""
Called by Directive docheck() method to fetch the data required for
evaluating the directive rule.
"""
try:
df = self.data_collectors['df.dfList'][self.args.fs]
except KeyError:
log.log("<directive>FS.docheck(): Error, filesystem not found '%s'" %
(self.args.fs), 4)
return None
if df is None:
log.log("<directive>FS.docheck(): Error, filesystem not found '%s'" %
(self.args.fs), 4)
return None
else:
return df.getHash()
def collectData(self):
"""
Collect disk usage data.
"""
# Get information about all local filesystems from 'df'.
rawList = utils.safe_popen('/bin/df -l -k', 'r')
rawList.readline() # skip header
self.data.datahash = {}
self.data.mounthash = {}
for line in rawList.readlines():
fields = line.split()
if len(fields) == 9:
p = df(fields)
self.data.datahash[fields[0]] = p # dictionary of filesystem devices
self.data.mounthash[fields[5]] = p # dictionary of mount points
utils.safe_pclose(rawList)
log.log("<df>dfList.collectData(): filesystem data collected", 7)
def getData(self):
"""
Called by Directive docheck() method to fetch the data required for
evaluating the directive rule.
"""
data = {}
proc = self.data_collectors['proc.procList'][self.args.name]
if proc is None:
log.log("<directive>PROC.getData(): process not in process table, '%s'" %
(self.args.name), 7)
data['exists'] = False
else:
log.log("<directive>PROC.getData(): process is in process table, '%s'" %
(self.args.name), 7)
data['exists'] = True
data.update(proc.procinfo())
return data
def _getvmstat(self):
"""Get system virtual memory statistics from the 'vm_stat' command.
"""
vmstat_cmd = "/usr/bin/vm_stat"
(retval, output) = utils.safe_getstatusoutput(vmstat_cmd)
if retval != 0:
log.log(
"<system>system._getvmstat(): error calling '%s'" %
(vmstat_cmd), 5)
return None
vmstat_dict = {}
for l in output.split('\n'):
if l.find('Pages free:') != -1:
vmstat_dict['pages_free'] = long(l.split()[-1][:-1])
elif l.find('Pages active:') != -1:
vmstat_dict['pages_active'] = long(l.split()[-1][:-1])
elif l.find('Pages inactive:') != -1:
vmstat_dict['pages_inactive'] = long(l.split()[-1][:-1])
elif l.find('Pages wired down:') != -1:
vmstat_dict['pages_wired_down'] = long(l.split()[-1][:-1])
elif l.find('Translation faults') != -1:
vmstat_dict['ctr_translation_faults'] = long(
l.split()[-1][:-1])
elif l.find('Pages copy-on-write:') != -1:
vmstat_dict['ctr_pages_copyonwrite'] = long(l.split()[-1][:-1])
elif l.find('Pages zero filled:') != -1:
vmstat_dict['ctr_pages_zero_filled'] = long(l.split()[-1][:-1])
elif l.find('Pages reactivated:') != -1:
vmstat_dict['ctr_pages_reactivated'] = long(l.split()[-1][:-1])
elif l.find('Pageins:') != -1:
vmstat_dict['ctr_pageins'] = long(l.split()[-1][:-1])
elif l.find('Pageouts:') != -1:
vmstat_dict['ctr_pageouts'] = long(l.split()[-1][:-1])
return vmstat_dict
def collectData(self):
self.data.datahash = {}
self.data.numdisks = 0
disk_stats = disk_io_counters(True)
for name in disk_stats:
try:
# do we have an existing disk object
disk = self.data.datahash[name]
except KeyError:
# create new Disk object if needed
disk = Disk(name)
self.data.datahash[name] = disk
self.data.numdisks += 1
for attrname in ['read_count', 'write_count',
'read_bytes', 'write_bytes',
'read_time', 'write_time']:
disk.set_stat(attrname, getattr(disk_stats[name], attrname))
log.log("<diskdevice>DiskStatistics.collectData(): Collected stats for %d disks" %
(self.data.numdisks), 6)
def collectData(self):
"""
Collect disk usage data.
"""
# Get information about all local filesystems from 'df'.
rawList = utils.safe_popen("df -l", "r")
rawList.readline() # skip header
self.data.datahash = {}
self.data.mounthash = {}
lines = rawList.read()
lines = re.sub(r"\n ", "", lines)
lines = lines.split("\n")
for line in lines:
fields = line.split()
if len(fields) == 6:
p = df(fields)
self.data.datahash[fields[0]] = p # dictionary of filesystem devices
self.data.mounthash[fields[5]] = p # dictionary of mount points
utils.safe_pclose(rawList)
log.log("<df>dfList.collectData(): filesystem data collected", 7)
def tokenparser(self, toklist, toktypes, indent):
"""Parse directive arguments."""
super(DISK, self).tokenparser(toklist, toktypes, indent)
try:
self.args.device
except AttributeError:
raise directive.ParseFailure('Device not specified')
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure('Rule not specified')
self.defaultVarDict['device'] = self.args.device
self.defaultVarDict['rule'] = self.args.rule
# define unique ID
if self.ID is None:
self.ID = '%s.DISK.%s' % (log.hostname, self.args.device)
self.state.ID = self.ID
log.log("<disk>DISK.tokenparser(): ID '%s' device '%s' rule '%s'" %
(self.state.ID, self.args.device, self.args.rule), 8)
def tokenparser(self, toklist, toktypes, indent):
"""Parse rest of rule (after ':')."""
super(IF, self).tokenparser(toklist, toktypes, indent)
# test required arguments
try:
self.args.name
except AttributeError:
raise directive.ParseFailure("Interface name not specified")
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure("Rule not specified")
self.defaultVarDict['name'] = self.args.name
# define the unique ID
if self.ID is None:
self.ID = '%s.IF.%s.%s' % (log.hostname,self.args.name,self.rule)
self.state.ID = self.ID
log.log("<directive>IF.tokenparser(): ID '%s' name '%s', rule '%s'" %
(self.state.ID, self.args.name, self.args.rule), 8)
def _getvmstat(self):
"""Get system virtual memory statistics from the 'vm_stat' command.
"""
vmstat_cmd = "/usr/bin/vm_stat"
(retval, output) = utils.safe_getstatusoutput(vmstat_cmd)
if retval != 0:
log.log("<system>system._getvmstat(): error calling '%s'"%(vmstat_cmd), 5)
return None
vmstat_dict = {}
for l in output.split('\n'):
if l.find('Pages free:') != -1:
vmstat_dict['pages_free'] = long(l.split()[-1][:-1])
elif l.find('Pages active:') != -1:
vmstat_dict['pages_active'] = long(l.split()[-1][:-1])
elif l.find('Pages inactive:') != -1:
vmstat_dict['pages_inactive'] = long(l.split()[-1][:-1])
elif l.find('Pages wired down:') != -1:
vmstat_dict['pages_wired_down'] = long(l.split()[-1][:-1])
elif l.find('Translation faults') != -1:
vmstat_dict['ctr_translation_faults'] = long(l.split()[-1][:-1])
elif l.find('Pages copy-on-write:') != -1:
vmstat_dict['ctr_pages_copyonwrite'] = long(l.split()[-1][:-1])
elif l.find('Pages zero filled:') != -1:
vmstat_dict['ctr_pages_zero_filled'] = long(l.split()[-1][:-1])
elif l.find('Pages reactivated:') != -1:
vmstat_dict['ctr_pages_reactivated'] = long(l.split()[-1][:-1])
elif l.find('Pageins:') != -1:
vmstat_dict['ctr_pageins'] = long(l.split()[-1][:-1])
elif l.find('Pageouts:') != -1:
vmstat_dict['ctr_pageouts'] = long(l.split()[-1][:-1])
return vmstat_dict
def collectData(self):
self.data.datahash = {}
self.data.numdisks = 0
disk_stats = disk_io_counters(True)
for name in disk_stats:
try:
# do we have an existing disk object
disk = self.data.datahash[name]
except KeyError:
# create new Disk object if needed
disk = Disk(name)
self.data.datahash[name] = disk
self.data.numdisks += 1
for attrname in [
'read_count', 'write_count', 'read_bytes', 'write_bytes',
'read_time', 'write_time'
]:
disk.set_stat(attrname, getattr(disk_stats[name], attrname))
log.log(
"<diskdevice>DiskStatistics.collectData(): Collected stats for %d disks"
% (self.data.numdisks), 6)
def tokenparser(self, toklist, toktypes, indent):
super(PID, self).tokenparser(toklist, toktypes, indent)
# test required arguments
try:
self.args.pidfile
except AttributeError:
raise directive.ParseFailure("pidfile argument not specified")
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure("Rule not specified")
# Set any PID-specific variables
# %pidf = the PID-file
self.defaultVarDict['pidfile'] = self.args.pidfile
self.defaultVarDict['rule'] = self.args.rule
# define the unique ID
if self.ID is None:
self.ID = '%s.PID.%s.%s' % (log.hostname,self.args.pidfile,self.args.rule)
self.state.ID = self.ID
log.log("<directive>PID.tokenparser(): ID '%s' pid '%s' rule '%s'" % (self.state.ID, self.args.pidfile, self.args.rule), 8)
def tokenparser(self, toklist, toktypes, indent):
"""Parse directive arguments."""
super(DISK, self).tokenparser(toklist, toktypes, indent)
try:
self.args.device
except AttributeError:
raise directive.ParseFailure('Device not specified')
try:
self.args.rule
except AttributeError:
raise directive.ParseFailure('Rule not specified')
self.defaultVarDict['device'] = self.args.device
self.defaultVarDict['rule'] = self.args.rule
# define unique ID
if self.ID is None:
self.ID = '%s.DISK.%s' % (log.hostname, self.args.device)
self.state.ID = self.ID
log.log(
"<disk>DISK.tokenparser(): ID '%s' device '%s' rule '%s'" %
(self.state.ID, self.args.device, self.args.rule), 8)
def getData(self):
log.log("<directive>COM.getData(): acquiring systemcall_semaphore for cmd '%s'" %
(self.args.cmd), 9)
utils.systemcall_semaphore.acquire()
log.log("<directive>COM.getData(): systemcall_semaphore acquired for cmd '%s'" %
(self.args.cmd), 9)
tmpprefix = "/var/tmp/com%d" % os.getpid()
cmd = "{ %s ; } >%s.out 2>%s.err" % (self.args.cmd, tmpprefix, tmpprefix)
log.log("<directive>COM.getData(): calling system('%s')" % (cmd), 7)
retval = os.system(cmd)
signum = None
if (retval & 0xff) == 0:
# call terminated from standard exit()
retval = retval >> 8
elif (retval & 0xff00) == 0:
# call terminated due to a signal
signum = retval & 0xff
elif (retval & 0xff) == 0o177:
# child process stopped with WSTOPFLG (0177) set
signum = retval & 0xff00
out = ""
try:
outf = open(tmpprefix + ".out", 'r')
except IOError:
# stdout tmp file not found
log.log("<directive>COM.docheck(): Error, could not open '%s'" %
(tmpprefix + ".out"), 4)
else:
out = outf.read()
outf.close()
os.remove(tmpprefix + ".out")
out = string.strip(out)
err = ""
try:
errf = open(tmpprefix + ".err", 'r')
except IOError:
# stderr tmp file not found
log.log("<directive>COM.docheck(): Error, could not open '%s'" %
(tmpprefix + ".err"), 4)
else:
err = errf.read()
errf.close()
os.remove(tmpprefix + ".err")
err = string.strip(err)
utils.systemcall_semaphore.release()
log.log("<directive>COM.getData(): released systemcall_semaphore for cmd '%s'" %
(self.args.cmd), 9)
log.log("<directive>COM.getData(): retval=%d" % retval, 7)
log.log("<directive>COM.getData(): signum=%s" % signum, 9)
log.log("<directive>COM.getData(): stdout='%s'" % out, 9)
log.log("<directive>COM.getData(): stderr='%s'" % err, 9)
data = {} # environment for com rules execution
data['out'] = out
data['err'] = err
data['ret'] = retval
data['signum'] = signum
# Split output to assist rules
outsplit = string.split(out)
data['outfield1'] = "" # Always set outfield1 so rule strings don't break
data['outfields'] = len(outsplit)
for i in range(0, len(outsplit)):
data['outfield%d' % (i+1)] = utils.typeFromString(outsplit[i])
return data
def tcp_test(self, host, port, send=""):
"""
Opens a connection to 'host' tcp port 'port' to test the connection.
If 'send' is not an empty string, it will be sent to the remote host
and any response stored in recv_string.
Returns the tuple:
(connected, recv_string, connect_time, error, errorstr)
- connected: true (1) or false (0) based on a successful connection or
not.
- recv_string: contains the data received from the remote host.
- connect_time: the total amount of time the between establishing the
connection and closing the connection.
- error: the error code from a failed connection.
- errorstr: plain text description of the above error.
"""
# Defaults
connected = 0
recv_string = None
connect_time = 0.0
error = None
errorstr = ""
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
time_start = time.time()
s.connect((host, port))
connected = 1 # port connection ok
if send != "":
exec("send='%s'" % send)
sendlist = string.split(send, '\n') # split each line
# send each line - only capture last output received
for line in sendlist:
log.log("<directive>PORT.tcp_test(): sending '%s'" % (line), 9)
s.send(line+'\n')
recv_string = s.recv(1024) # receive max 1024 bytes
s.close()
time_finish = time.time()
connect_time = time_finish - time_start
except socket.error:
e = sys.exc_info()
s.close()
try:
error = errno.errorcode[e[1][0]]
except KeyError:
error = str(e[1][0])
errorstr = e[1][1]
log.log("<directive>PORT.tcp_test(): socket.error: %s, %s" %
(e[0], e[1]), 7)
except:
e = sys.exc_info()
tb = traceback.format_list(traceback.extract_tb(e[2]))
log.log("<directive>PORT.tcp_test(): ID '%s', Uncaught exception: %s, %s, %s" %
(self.state.ID, e[0], e[1], tb), 3)
return (connected, recv_string, connect_time, error, errorstr)
