def send_nsca(
self,
code,
message,
nscahost,
hostname=node(),
service=None,
nscabin="send_nsca",
nscaconf=None
):
"""
Send data via send_nsca for passive service checks
Arguments:
code -- Return code of plugin.
message -- Message to pass back.
nscahost -- Hostname or IP address of NSCA server.
hostname -- Hostname the check results apply to.
service -- Service the check results apply to.
nscabin -- Location of send_nsca binary. If none specified whatever
is in the path will be used.
nscaconf -- Location of the NSCA configuration to use if any.
"""
# Format nscaconf if necessary
if nscaconf is not None:
nscaconf = "-c %s" % nscaconf
# Build command
command = "%s %s -H %s" % (nscabin, nscaconf or "", nscahost)
# Service check
if service:
command = "echo -e '%s\t%s\t%d\t%s' | %s" % (
hostname,
service,
code,
message,
command
)
# Host check, omit service_description
else:
command = "echo -e '%s\t%d\t%s' | %s" % (
hostname,
code,
message,
command
)
# Execute command
runCommand(command, raise_error_on_fail=True)
return 0
def run_query():
""" Connect to a remote storwize box and run query """
command = "ssh %s@%s %s -delim ':'" % (p.options.user, p.options.hostname,
p.options.query)
if p.options.test:
command = "cat %s.txt" % (p.options.query)
return_code, stdout, stderr = runCommand(command)
if return_code != 0:
p.status(unknown)
p.add_summary(
"Got error %s when trying to log into remote storwize box" %
return_code)
p.add_long_output("\ncommand:\n===============\n%s" % command)
p.add_long_output("\nStandard output:\n==============\n%s" % (stdout))
p.add_long_output("\nStandard stderr:\n==============\n%s" % (stderr))
p.exit()
if stderr:
p.status(unknown)
p.add_summary("Error when connecting to storwize: %s" % stderr)
p.exit()
# Parse the output of run query and return a list of "rows"
lines = stdout.splitlines()
top_line = lines.pop(0)
headers = top_line.split(':')
Row = namedtuple('Row', ' '.join(headers))
rows = []
for i in lines:
i = i.strip()
columns = i.split(':')
row = Row(*columns)
rows.append(row)
return rows
def run_query():
""" Connect to a remote storwize box and run query """
command = "ssh %s@%s %s -delim ':'" % (p.options.user, p.options.hostname, p.options.query)
if p.options.test:
command = "cat %s.txt" % (p.options.query)
return_code, stdout, stderr = runCommand(command)
if return_code != 0:
p.status(unknown)
p.add_summary("Got error %s when trying to log into remote storwize box" % return_code)
p.add_long_output("\ncommand:\n===============\n%s" % command)
p.add_long_output("\nStandard output:\n==============\n%s" % (stdout))
p.add_long_output("\nStandard stderr:\n==============\n%s" % (stderr))
p.exit()
if stderr:
p.status(unknown)
p.add_summary("Error when connecting to storwize: %s" % stderr)
p.exit()
# Parse the output of run query and return a list of "rows"
lines = stdout.splitlines()
top_line = lines.pop(0)
headers = top_line.split(':')
Row = namedtuple('Row', ' '.join(headers))
rows = []
for i in lines:
i = i.strip()
columns = i.split(':')
row = Row(*columns)
rows.append(row)
return rows
def verify_config(self):
"""
Run nagios -v config_file to verify that the conf is working
:returns: True -- if pynag.Utils.runCommand() returns 0, else None
"""
cmd = [self.nagios_bin, "-v", self.nagios_cfg]
if self.sudo:
cmd = ['sudo', '-n'] + cmd
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
if result == 0:
return True
else:
return None
def verify_config(self):
"""
Run nagios -v config_file to verify that the conf is working
:returns: True -- if pynag.Utils.runCommand() returns 0, else None
"""
cmd = [self.nagios_bin, "-v", self.nagios_cfg]
if self.sudo:
cmd = ['sudo', '-n'] + cmd
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
if result == 0:
return True
else:
return None
def reload(self):
"""
Reloads Nagios.
:returns: Return code of the reload command ran by pynag.Utils.runCommand()
:rtype: int
"""
if self.method == daemon.SYSV_INIT_SCRIPT:
cmd = [self.nagios_init, "reload"]
else:
cmd = ["service", self.service_name, "reload"]
if self.sudo:
cmd = ['sudo', '-n'] + cmd
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
return result
def status(self):
"""
Obtain the status of the Nagios service.
:returns: Return code of the status command ran by pynag.Utils.runCommand()
:rtype: int
"""
if self.method == daemon.SYSV_INIT_SCRIPT:
cmd = [self.nagios_init, "status"]
else:
cmd = ["service", self.service_name, "status"]
if self.sudo:
cmd = ['sudo', '-n'] + cmd
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
return result
def stop(self):
"""
Stop the Nagios service.
:returns: Return code of the stop command ran by pynag.Utils.runCommand()
:rtype: int
"""
if self.method == daemon.SYSV_INIT_SCRIPT:
cmd = [self.nagios_init, "stop"]
else:
cmd = ["service", self.service_name, "stop"]
if self.sudo:
cmd.insert(0, 'sudo')
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
return result
def restart(self):
"""
Restarts Nagios via it's init script.
:returns: Return code of the restart command ran by pynag.Utils.runCommand()
:rtype: int
"""
if self.method == daemon.SYSV_INIT_SCRIPT:
cmd = [self.nagios_init, "restart"]
else:
cmd = ["service", self.service_name, "restart"]
if self.sudo:
cmd.insert(0, 'sudo')
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
return result
def reload(self):
"""
Reloads Nagios.
:returns: Return code of the reload command ran by pynag.Utils.runCommand()
:rtype: int
"""
if self.method == daemon.SYSV_INIT_SCRIPT:
cmd = [self.nagios_init, "reload"]
else:
cmd = ["service", self.service_name, "reload"]
if self.sudo:
cmd = ['sudo', '-n'] + cmd
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
return result
def status(self):
"""
Obtain the status of the Nagios service.
:returns: Return code of the status command ran by pynag.Utils.runCommand()
:rtype: int
"""
if self.method == daemon.SYSV_INIT_SCRIPT:
cmd = [self.nagios_init, "status"]
else:
cmd = ["service", self.service_name, "status"]
if self.sudo:
cmd = ['sudo', '-n'] + cmd
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
return result
def stop(self):
"""
Stop the Nagios service.
:returns: Return code of the stop command ran by pynag.Utils.runCommand()
:rtype: int
"""
if self.method == daemon.SYSV_INIT_SCRIPT:
cmd = [self.nagios_init, "stop"]
else:
cmd = ["service", self.service_name, "stop"]
if self.sudo:
cmd.insert(0, 'sudo')
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
return result
def restart(self):
"""
Restarts Nagios via it's init script.
:returns: Return code of the restart command ran by pynag.Utils.runCommand()
:rtype: int
"""
if self.method == daemon.SYSV_INIT_SCRIPT:
cmd = [self.nagios_init, "restart"]
else:
cmd = ["service", self.service_name, "restart"]
if self.sudo:
cmd.insert(0, 'sudo')
result, self.stdout, self.stderr = runCommand(cmd, shell=False)
return result
def running(self):
"""
Checks if the daemon is running
:returns: Whether or not the daemon is running
:rtype: bool
"""
if self.method == daemon.SYSV_INIT_SCRIPT or \
self.method == daemon.SYSV_INIT_SERVICE:
if self.nagios_config is None:
self.nagios_config = pynag.Parsers.config()
if self.nagios_config._get_pid():
return True
elif self.method == daemon.SYSTEMD:
result = runCommand(["systemctl", "is-active", self.service_name],
shell=False)
if result[0] == 0:
return True
return False
def running(self):
"""
Checks if the daemon is running
:returns: Whether or not the daemon is running
:rtype: bool
"""
if self.method == daemon.SYSV_INIT_SCRIPT or \
self.method == daemon.SYSV_INIT_SERVICE:
if self.nagios_config is None:
self.nagios_config = pynag.Parsers.config()
if self.nagios_config._get_pid():
return True
elif self.method == daemon.SYSTEMD:
result = runCommand(["systemctl",
"is-active",
self.service_name], shell=False)
if result[0] == 0:
return True
return False
