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nsca-helper-client.py
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nsca-helper-client.py
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import os
import sys
import re
import requests
import simplejson
from optparse import OptionParser
import utils
from __exceptions__ import formattedException
'''
Requires: requests http://docs.python-requests.org/en/latest/
'''
__version__ = '1.0.0'
import logging
from logging import handlers
__PROGNAME__ = os.path.splitext(os.path.basename(sys.argv[0]))[0]
LOG_FILENAME = os.sep.join([os.path.dirname(sys.argv[0]),'%s.log' % (__PROGNAME__)])
class MyTimedRotatingFileHandler(handlers.TimedRotatingFileHandler):
def __init__(self, filename, maxBytes=0, when='h', interval=1, backupCount=0, encoding=None, delay=False, utc=False):
handlers.TimedRotatingFileHandler.__init__(self, filename=filename, when=when, interval=interval, backupCount=backupCount, encoding=encoding, delay=delay, utc=utc)
self.maxBytes = maxBytes
def shouldRollover(self, record):
response = handlers.TimedRotatingFileHandler.shouldRollover(self, record)
if (response == 0):
if self.stream is None: # delay was set...
self.stream = self._open()
if self.maxBytes > 0: # are we rolling over?
msg = "%s\n" % self.format(record)
try:
self.stream.seek(0, 2) #due to non-posix-compliant Windows feature
if self.stream.tell() + len(msg) >= self.maxBytes:
return 1
except:
pass
return 0
return response
logger = logging.getLogger(__PROGNAME__)
handler = logging.FileHandler(LOG_FILENAME)
#handler = handlers.TimedRotatingFileHandler(LOG_FILENAME, when='d', interval=1, backupCount=30, encoding=None, delay=False, utc=False)
#handler = MyTimedRotatingFileHandler(LOG_FILENAME, maxBytes=1000000, when='d', backupCount=30)
#handler = handlers.RotatingFileHandler(LOG_FILENAME, maxBytes=1000000, backupCount=30, encoding=None, delay=False)
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
handler.setFormatter(formatter)
handler.setLevel(logging.DEBUG)
logger.addHandler(handler)
print 'Logging to "%s".' % (handler.baseFilename)
ch = logging.StreamHandler()
ch_format = logging.Formatter('%(asctime)s - %(message)s')
ch.setFormatter(ch_format)
ch.setLevel(logging.DEBUG)
logger.addHandler(ch)
logging.getLogger().setLevel(logging.DEBUG)
__username__ = 'nscahelper'
__password__ = utils.md5('peekab00')
__find_nagios__ = 'find /usr -iname nagios'
__find_send_nsca_cfg__ = 'find /etc -iname send_nsca.cfg'
__re1__ = re.compile(r"\A(?P<num>[0-9]*)\sdata\spacket.*\ssent\sto\shost\ssuccess.*")
__PARTITIONS__ = 'PARTITIONS'
__DISKS__ = 'DISKS'
__get_partition_name__ = "df | awk '{print $1}' | grep %s"
if __name__ == '__main__':
'''
python nsca-helper-client.py
/nsca/nagios/create/config
{"oper": "login",
"username": "nscahelper",
"password": "103136174d231aabe1de8feaf9afc92f",
"target": "nagios.cfg",
"cfg": "remote2_nagios2",
"partitions": "awk '{print $4}' /proc/partitions | sed -e '/name/d' -e '/^$/d' -e '/[1-9]/!d'",
"host1": {
"use": "generic-host",
"host_name": "remote1",
"alias": "remote1",
"address": "0.0.0.0"
},
"command1": {
"command_name": "dummy_command2",
"command_line": "echo \"0\""
},
"service1": { "use":"generic-service",
"host_name":"remote1",
"service_description":"CPULoad",
"active_checks_enabled":"0",
"passive_checks_enabled":"1",
"check_command":"dummy_command2"
},
"service2": { "use":"generic-service",
"host_name":"remote1",
"service_description":"CurrentUsers",
"active_checks_enabled":"0",
"passive_checks_enabled":"1",
"check_command":"dummy_command2"
},
"service3": { "use":"generic-service",
"host_name":"remote1",
"service_description":"PING",
"active_checks_enabled":"0",
"passive_checks_enabled":"1",
"check_command":"dummy_command2"
},
"service4": { "use":"generic-service",
"host_name":"remote1",
"service_description":"SSH",
"active_checks_enabled":"0",
"passive_checks_enabled":"1",
"check_command":"dummy_command2"
},
"service5": { "use":"generic-service",
"host_name":"remote1",
"service_description":"TotalProcesses",
"active_checks_enabled":"0",
"passive_checks_enabled":"1",
"check_command":"dummy_command2"
},
"service6": { "use":"generic-service",
"host_name":"remote1",
"service_description":"ZombieProcesses",
"active_checks_enabled":"0",
"passive_checks_enabled":"1",
"check_command":"dummy_command2"
}
}
'''
parser = OptionParser("usage: %prog [options]")
parser.add_option("-o", "--host",action="store", type="string", dest="host",help="host option")
parser.add_option("-i", "--ip",action="store", type="string", dest="ip",help="ip address option")
parser.add_option("-u", "--url",action="store", type="string", dest="url",help="url option")
parser.add_option("-j", "--json",action="store", type="string", dest="json",help="config json option")
parser.add_option("-c", action="store_true", dest="iscreate",help="create option")
parser.add_option("-m", action="store_true", dest="ismonitor",help="monitor option")
options, args = parser.parse_args()
logger.info('iscreate=%s' % (options.iscreate))
logger.info('ismonitor=%s' % (options.ismonitor))
isUsingLinux = utils.isUsingLinux or utils.isBeingDebugged
if (isUsingLinux):
__config__ = utils.SmartObject()
logger.debug('(+++) options.json=%s' % (options.json))
if (options.json) and (os.path.exists(options.json)):
json = ''.join(utils.readfile(options.json))
__config__ = utils.SmartObject(args=simplejson.loads(json))
logger.debug('(+++) __config__=%s' % (__config__))
else:
logger.warning('Missing config.json from the -j option so using default services.')
services = ["CPU Load","Current Users","PING","SSH","Total Processes","Zombie Processes"]
if (len(__config__.keys()) > 1):
services = [k for k in __config__.keys() if (k not in ['DISKS','__dict__','PARTITIONS'])]
logger.debug('(+++) services=%s' % (services))
if (options.url):
if (options.host):
if (options.ip):
if (options.iscreate):
logger.info('Create mode !!!')
payload = utils.SmartObject()
payload.oper = "login"
payload.username = __username__
payload.password = __password__
payload.target = "nagios.cfg"
payload.cfg = "%s_nagios2" % (options.host)
payload.partitions = "awk '{print $4}' /proc/partitions | sed -e '/name/d' -e '/^$/d' -e '/[1-9]/!d'"
host1 = utils.SmartObject()
host1.use = "generic-host"
host1.host_name = options.host
host1.alias = options.host
host1.address = options.ip
payload.host1 = host1.__dict__
command1 = utils.SmartObject()
command1.command_name = "dummy_command_%s" % (options.host)
command1.command_line = "echo \"0\""
payload.command1 = command1.__dict__
if (payload.partitions):
logger.info('1. payload.partitions=%s' % (payload.partitions))
results = utils.shellexecute(payload.partitions)
logger.info('2 results=%s' % (results))
partition_names = [str(r).strip() for r in results[0]] if (utils.isList(results)) else results
logger.info('3 payload.partition_names=%s' % (payload.partition_names))
for partition in partition_names:
services.append(partition)
count = 1
for svc in services:
service = utils.SmartObject()
service.use = "generic-service"
service.host_name = options.host
service.service_description = svc
service.active_checks_enabled = "0"
service.passive_checks_enabled = "1"
service.check_command = command1.command_name
payload['service%s' % (count)] = service.__dict__
count += 1
headers = {'Content-Type':'application/json', 'Accept':'application/json'}
r = requests.post('%s/nsca/nagios/create/config' % (options.url),data=simplejson.dumps(payload.__dict__), headers=headers)
logger.debug('r.status_code=%s' % (r.status_code))
elif (options.ismonitor):
logger.info('monitor mode !!!')
def monitor_service(svc,symbol,value):
cmd = __config__[svc]
cName = cmd.split()[0]
__cmd__ = os.sep.join([__plugins__,cName])
if (os.path.exists(__cmd__)):
cmd = cmd.replace(cName,__cmd__).replace(symbol,value)
logger.debug('(+++) %s=%s' % (svc,cmd))
__results__ = utils.shellexecute(cmd)
results = [str(item).strip() for item in __results__[0]]
retcode = [str(item).strip() for item in __results__[-1]]
logger.info('(+++) cmd-->results=%s' % (results))
logger.info('(+++) cmd-->retcode=%s' % (retcode))
data = "%s\\t%s\\t%s\\t%s\n" % (options.host, svc, 0 if (len(retcode) == 0) else 1, results[0])
logger.debug('(+++) data=%s' % (data))
payload = utils.SmartObject()
payload.oper = "login"
payload.username = __username__
payload.password = __password__
payload.send_nsca = data
__cfg__ = None
__results__ = utils.shellexecute(__find_send_nsca_cfg__)
results = [str(f).strip() for f in __results__[0] if (os.path.exists(str(f).strip()))]
if (len(results) > 0):
__cfg__ = results[0]
logger.info('__results__=%s [%s]' % (__results__,len(__results__)))
logger.info('__cfg__=%s' % (__cfg__))
payload.cfg = __cfg__
headers = {'Content-Type':'application/json', 'Accept':'application/json'}
r = requests.post('%s/nsca/nagios/send/nsca' % (options.url),data=simplejson.dumps(payload.__dict__), headers=headers)
logger.debug('r.status_code=%s' % (r.status_code))
logger.debug('r.json()=%s' % (r.json()))
if (r.status_code == 200):
try:
response = utils.SmartObject(args=r.json())
logger.debug('response=%s' % (response.__dict__))
matches = __re1__.search(response.status[0] if (utils.isList(response.status)) else response.status) if (response.status) else None
if (matches):
groups = utils.SmartObject(args=matches.groupdict())
logger.debug('(+++) matches=%s [%s]' % (matches,groups.__dict__))
if (groups.num):
logger.debug('(+++) groups.num=%s' % (groups.num))
except Exception, ex:
logger.exception('EXCEPTION: %s' % (utils.formattedException(details=ex)))
__plugins__ = None
__results__ = utils.shellexecute(__find_nagios__)
results = [os.sep.join([str(f).strip(),'plugins']) for f in __results__[0] if (os.path.exists(os.sep.join([str(f).strip(),'plugins'])))]
if (len(results) > 0):
__plugins__ = results[0]
logger.info('__results__=%s [%s]' % (__results__,len(__results__)))
logger.info('results=%s' % (results))
logger.debug('(+++) __plugins__=%s [%s]' % (__plugins__,os.path.exists(__plugins__)))
if (__plugins__) and (os.path.exists(__plugins__)):
for svc in services:
monitor_service(svc,'{{host}}',options.host)
others = list(set(__config__.keys()) - set(services) - set(['__dict__']))
logger.debug('(+++) others=%s' % (others))
if (__PARTITIONS__ in others):
p_cmd = __config__[__PARTITIONS__]
partitions = None
__results__ = utils.shellexecute(p_cmd)
results = [str(f).strip() for f in __results__[0]]
if (len(results) > 0):
partitions = results
logger.info('__results__=%s [%s]' % (__results__,len(__results__)))
logger.info('partitions=%s' % (partitions))
if (partitions):
if (__DISKS__ in others):
disks = __config__[__DISKS__]
logger.debug('(+++) disks=%s' % (disks))
for p in partitions:
partition_name = None
__results__ = utils.shellexecute(__get_partition_name__ % p)
results = [str(f).strip() for f in __results__[0]]
if (len(results) > 0):
partition_name = results[0] if (utils.isList(results)) else results
logger.info('__results__=%s [%s]' % (__results__,len(__results__)))
logger.info('partition_name=%s' % (partition_name))
monitor_service(__DISKS__,'{{partition}}',partition_name)
else:
logger.error('Cannot determine location of nagios plugins directory.')
else:
logger.error('Cannot determine what you want me to do ?!?')
else:
logger.error('Cannot the ip (-i) you want me to use ?!?')
else:
logger.error('Cannot the host (-h) you want me to use ?!?')
else:
logger.error('Cannot the url (-u) you want me to use ?!?')
else:
logger.error('Linux is required ?!?')