def get_temp_lm_sensors(self):
""" try to get temperature from lm_sensors file
example outputs:
coretemp-isa-0000
Core 0: +81.0 C (high = +100.0 C, crit = +100.0 C)
coretemp-isa-0001
Core 1: +82.0 C (high = +100.0 C, crit = +100.0 C)
"""
self.logger.debug("getting cpu temp from lm_sensors")
try:
n = 0
tot_temp = 0.0
#temp_re = re.compile('(\d+.\d+) C')
temp_re = re.compile('^Core [0-9]+: +\+([0-9]+(\.[0-9]+)?)')
cmd = 'sensors -A'
for l in popen(cmd, self.logger)[1].split("\n"):
self.logger.debug("lm_sensors line: %s" % (l, ))
temps = temp_re.findall(l)
self.logger.debug("temps = %s" % (temps, ))
if temps:
temp = float(temps[0][0])
tot_temp += temp
n+=1
if n == 0:
return None
return tot_temp/n
except Exception, e:
self.logger.debug("failed: %s" % (str(e), ))
return None
def get_temp_lm_sensors(self):
""" try to get temperature from lm_sensors file
example outputs:
coretemp-isa-0000
Core 0: +81.0 C (high = +100.0 C, crit = +100.0 C)
coretemp-isa-0001
Core 1: +82.0 C (high = +100.0 C, crit = +100.0 C)
"""
self.logger.debug("getting cpu temp from lm_sensors")
try:
n = 0
tot_temp = 0.0
#temp_re = re.compile('(\d+.\d+) C')
temp_re = re.compile('^Core [0-9]+: +\+([0-9]+(\.[0-9]+)?)')
cmd = 'sensors -A'
for l in popen(cmd, self.logger)[1].split("\n"):
self.logger.debug("lm_sensors line: %s" % (l, ))
temps = temp_re.findall(l)
self.logger.debug("temps = %s" % (temps, ))
if temps:
temp = float(temps[0][0])
tot_temp += temp
n += 1
if n == 0:
return None
return tot_temp / n
# pylint: disable=W0703
except Exception, e:
self.logger.debug("failed: %s" % (str(e), ))
return None
def icmpping(self, host):
"""Performs icmp ping using ping command
Native python solution is possible, but would require it to run
under root user. ping is suid on most systems, so no root required
Args:
host: string - hostname (or ip address)
Returns:
float - time to ping in seconds,
int - 0 if failed"""
cmd = "/bin/ping %s -c 1 -U -W 5" % host
retcode, ret = popen(cmd, self.logger)
if retcode == 0:
# ping succeed
ret = ret.strip().split("\n")[-1] # pylint: disable-msg=E1103
# ret is something like
# rtt min/avg/max/mdev = 33.843/33.843/33.843/0.000 ms
ret = ret.split('=')[1]
ret = ret.strip()
ret = float(ret.split('/')[0])
return ret / 1000
else:
# ping unsuccessful
return 0
def _read_tw_status(self, c=0, u=0, cmd='status'):
key = (c, u, cmd)
if key in self._tw_out:
# already executed
return self._tw_out[key]
else:
command = "%s info c%i u%i %s" \
% (self.config.get('tw_cli_path', '/opt/3ware/tw_cli'),
c,
u,
cmd)
# pylint: disable=W0612
retcode, ret = popen(command, self.logger) # @UnusedVariable
self._tw_out[key] = ret
return ret
def _read_tw_status(self, c=0, u=0, cmd='status'):
key = (c, u, cmd)
if key in self._tw_out:
# already executed
return self._tw_out[key]
else:
command = "%s info c%i u%i %s" \
% (self.config.get('tw_cli_path', '/opt/3ware/tw_cli'),
c,
u,
cmd)
# pylint: disable=W0612
retcode, ret = popen(command, self.logger) # @UnusedVariable
self._tw_out[key] = ret
return ret
def icmpping(self, host):
""" Does icmp ping using ping command
Native python solution possible, but would require it to run
under root user. ping is suid on most systems
@returns: (float)time to ping in seconds, (int)0 if failed
"""
cmd = "/bin/ping %s -c 1 -U -W 5" % host
retcode, ret = popen(cmd, self.logger)
if retcode == 0:
# ping succeed
ret = ret.strip().split("\n")[-1]
# ret is something like
# rtt min/avg/max/mdev = 33.843/33.843/33.843/0.000 ms
ret = ret.split('=')[1].strip()
ret = float(ret.split('/')[0])
return ret / 1000
else:
# ping unsuccessful
return 0
def get_prop(self, mbean_name, attribute_name):
""" get custom JMX bean property """
# escape spaces in mbean_name
mbean_name = mbean_name.replace(' ', '\ ')
popen_cmd = "java -Djava.endorsed.dirs=/opt/ztc/lib/ -jar " + \
"/opt/ztc/lib/jmxterm-1.0-alpha-4-uber.jar -l %s -e -n " + \
"-v silent" % (self.jmx_url,)
jmxterm_cmd = "get -b %s %s -s" % (mbean_name, attribute_name)
self.logger.debug("Executing jmxterm command %s" % jmxterm_cmd)
self.logger.debug("Jmxterm executable: %s" % popen_cmd)
try:
code, ret = popen(popen_cmd, self.logger, jmxterm_cmd)
except IOError:
self.logger.exception("Failed to run popen")
raise CheckFail("jmxterm call failed")
if code != 0:
self.logger.error('jmxterm returned non-zero status')
raise CheckFail('unable to get jmx propery %s %s' %
(mbean_name, attribute_name))
return ret.strip()
def get_status(self, c=0, u=0):
cmd = "%s info c%i u%i status" % (self.config.get('tw_cli_path', '/opt/3ware/tw_cli'), c, u)
retcide, ret = popen(cmd, self.logger)
return ret.splitlines()[0].split()[3]