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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2009-2012:
# Gabes Jean, naparuba@gmail.com
# Gerhard Lausser, Gerhard.Lausser@consol.de
# Gregory Starck, g.starck@gmail.com
# Hartmut Goebel, h.goebel@goebel-consult.de
#
# This file is part of Shinken.
#
# Shinken is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Shinken is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Shinken. If not, see <http://www.gnu.org/licenses/>.
# This class revolv Macro in commands by looking at the macros list
# in Class of elements. It give a propertie that call be callable or not.
# It not callable, it's a simple properties and remplace the macro with the value
# If callable, it's a method that is call for getting the value. for exemple, to
# get the number of service in a host, you call a method to get the
# len(host.services)
import re
import time
from shinken.borg import Borg
class MacroResolver(Borg):
"""Please Add a Docstring to describe the class here"""
my_type = 'macroresolver'
# Global macros
macros = {
'TOTALHOSTSUP': 'get_total_hosts_up',
'TOTALHOSTSDOWN': 'get_total_hosts_down',
'TOTALHOSTSUNREACHABLE': 'get_total_hosts_unreacheable',
'TOTALHOSTSDOWNUNHANDLED': 'get_total_hosts_unhandled',
'TOTALHOSTSUNREACHABLEUNHANDLED': 'get_total_hosts_unreacheable_unhandled',
'TOTALHOSTPROBLEMS': 'get_total_host_problems',
'TOTALHOSTPROBLEMSUNHANDLED': 'get_total_host_problems_unhandled',
'TOTALSERVICESOK': 'get_total_service_ok',
'TOTALSERVICESWARNING': 'get_total_services_warning',
'TOTALSERVICESCRITICAL': 'get_total_services_critical',
'TOTALSERVICESUNKNOWN': 'get_total_services_unknown',
'TOTALSERVICESWARNINGUNHANDLED': 'get_total_services_warning_unhandled',
'TOTALSERVICESCRITICALUNHANDLED': 'get_total_services_critical_unhandled',
'TOTALSERVICESUNKNOWNUNHANDLED': 'get_total_services_unknown_unhandled',
'TOTALSERVICEPROBLEMS': 'get_total_service_problems',
'TOTALSERVICEPROBLEMSUNHANDLED': 'get_total_service_problems_unhandled',
'LONGDATETIME': 'get_long_date_time',
'SHORTDATETIME': 'get_short_date_time',
'DATE': 'get_date',
'TIME': 'get_time',
'TIMET': 'get_timet',
'PROCESSSTARTTIME': 'get_process_start_time',
'EVENTSTARTTIME': 'get_events_start_time',
}
# This must be called ONCE. It just put links for elements
# by scheduler
def init(self, conf):
# For searching class and elements for ondemand
# we need link to types
self.conf = conf
self.lists_on_demand = []
self.hosts = conf.hosts
# For special void host_name handling...
self.host_class = self.hosts.inner_class
self.lists_on_demand.append(self.hosts)
self.services = conf.services
self.contacts = conf.contacts
self.lists_on_demand.append(self.contacts)
self.hostgroups = conf.hostgroups
self.lists_on_demand.append(self.hostgroups)
self.commands = conf.commands
self.servicegroups = conf.servicegroups
self.lists_on_demand.append(self.servicegroups)
self.contactgroups = conf.contactgroups
self.lists_on_demand.append(self.contactgroups)
self.illegal_macro_output_chars = conf.illegal_macro_output_chars
self.output_macros = ['HOSTOUTPUT', 'HOSTPERFDATA', 'HOSTACKAUTHOR', 'HOSTACKCOMMENT', 'SERVICEOUTPUT', 'SERVICEPERFDATA', 'SERVICEACKAUTHOR', 'SERVICEACKCOMMENT']
# Try cache :)
#self.cache = {}
# Return all macros of a string, so cut the $
# And create a dict with it:
# val: value, not set here
# type: type of macro, like class one, or ARGN one
def get_macros(self, s):
#if s in self.cache:
# return self.cache[s]
p = re.compile(r'(\$)')
elts = p.split(s)
macros = {}
in_macro = False
for elt in elts:
if elt == '$':
in_macro = not in_macro
elif in_macro:
macros[elt] = {'val': '', 'type': 'unknown'}
#self.cache[s] = macros
if '' in macros:
del macros['']
return macros
# Get a value from a propertie of a element
# Prop can be a function or a propertie
# So we call it or not
def get_value_from_element(self, elt, prop):
try:
value = getattr(elt, prop)
if callable(value):
return unicode(value())
else:
return unicode(value)
except AttributeError, exp:
# Return no value
return ''
# For some macros, we need to delete unwanted caracters
def delete_unwanted_caracters(self, s):
for c in self.illegal_macro_output_chars:
s = s.replace(c, '')
return s
# return a dict with all environement variable came from
# the macros of the datas object
def get_env_macros(self, data):
env = {}
for o in data:
cls = o.__class__
macros = cls.macros
for macro in macros:
#print "Macro in %s: %s" % (o.__class__, macro)
prop = macros[macro]
value = self.get_value_from_element(o, prop)
#print "Value: %s" % value
env['NAGIOS_' + macro] = value
if hasattr(o, 'customs'):
# make NAGIOS__HOSTMACADDR from _MACADDR
for cmacro in o.customs:
env['NAGIOS__' + o.__class__.__name__.upper() + cmacro[1:].upper()] = o.customs[cmacro]
return env
# This function will look at elements in data (and args if it filled)
# to replace the macros in c_line with real value.
def resolve_simple_macros_in_string(self, c_line, data, args=None):
# Now we prepare the classes for looking at the class.macros
data.append(self) # For getting global MACROS
if hasattr(self, 'conf'):
data.append(self.conf) # For USERN macros
clss = [d.__class__ for d in data]
# we should do some loops for nested macros
# like $USER1$ hiding like a ninja in a $ARG2$ Macro. And if
# $USER1$ is pointing to $USER34$ etc etc, we should loop
# until we reach the botom. So the last loop is when we do
# not still have macros :)
still_got_macros = True
nb_loop = 0
while still_got_macros:
nb_loop += 1
# Ok, we want the macros in the command line
macros = self.get_macros(c_line)
# We can get out if we do not have macros this loop
still_got_macros = (len(macros) != 0)
#print "Still go macros:", still_got_macros
# Put in the macros the type of macro for all macros
self.get_type_of_macro(macros, clss)
# Now we get values from elements
for macro in macros:
# If type ARGN, look at ARGN cutting
if macros[macro]['type'] == 'ARGN' and args is not None:
macros[macro]['val'] = self.resolve_argn(macro, args)
macros[macro]['type'] = 'resolved'
# If class, get value from properties
if macros[macro]['type'] == 'class':
cls = macros[macro]['class']
for elt in data:
if elt is not None and elt.__class__ == cls:
prop = cls.macros[macro]
macros[macro]['val'] = self.get_value_from_element(elt, prop)
# Now check if we do not have a 'output' macro. If so, we must
# delete all special caracters that can be dangerous
if macro in self.output_macros:
macros[macro]['val'] = self.delete_unwanted_caracters(macros[macro]['val'])
if macros[macro]['type'] == 'CUSTOM':
cls_type = macros[macro]['class']
macro_name = re.split('_' + cls_type, macro)[1].upper()
# Ok, we've got the macro like MAC_ADDRESS for _HOSTMAC_ADDRESS
# Now we get the element in data that have the type HOST
# and we check if it gots the custom value
for elt in data:
if elt is not None and elt.__class__.my_type.upper() == cls_type:
if '_' + macro_name in elt.customs:
macros[macro]['val'] = elt.customs['_' + macro_name]
if macros[macro]['type'] == 'ONDEMAND':
macros[macro]['val'] = self.resolve_ondemand(macro, data)
# We resolved all we can, now replace the macro in the command call
for macro in macros:
c_line = c_line.replace('$'+macro+'$', macros[macro]['val'])
# A $$ means we want a $, it's not a macro!
# We replace $$ by a big dirty thing to be sur to not misinterpret it
c_line = c_line.replace("$$", "DOUBLEDOLLAR")
if nb_loop > 32: # too mouch loop, we exit
still_got_macros = False
# We now replace the big dirty token we made by only a simple $
c_line = c_line.replace("DOUBLEDOLLAR", "$")
#print "Retuning c_line", c_line.strip()
return c_line.strip()
# Resolve a command with macro by looking at data classes.macros
# And get macro from item properties.
def resolve_command(self, com, data):
c_line = com.command.command_line
return self.resolve_simple_macros_in_string(c_line, data, args=com.args)
# For all Macros in macros, set the type by looking at the
# MACRO name (ARGN? -> argn_type,
# HOSTBLABLA -> class one and set Host in class)
# _HOSTTOTO -> HOST CUSTOM MACRO TOTO
# $SERVICESTATEID:srv-1:Load$ -> MACRO SERVICESTATEID of
# the service Load of host srv-1
def get_type_of_macro(self, macros, clss):
for macro in macros:
# ARGN Macros
if re.match('ARG\d', macro):
macros[macro]['type'] = 'ARGN'
continue
# USERN macros
# are managed in the Config class, so no
# need to look that here
elif re.match('_HOST\w', macro):
macros[macro]['type'] = 'CUSTOM'
macros[macro]['class'] = 'HOST'
continue
elif re.match('_SERVICE\w', macro):
macros[macro]['type'] = 'CUSTOM'
macros[macro]['class'] = 'SERVICE'
# value of macro: re.split('_HOST', '_HOSTMAC_ADDRESS')[1]
continue
elif re.match('_CONTACT\w', macro):
macros[macro]['type'] = 'CUSTOM'
macros[macro]['class'] = 'CONTACT'
continue
# On demand macro
elif len(macro.split(':')) > 1:
macros[macro]['type'] = 'ONDEMAND'
continue
# OK, classical macro...
for cls in clss:
if macro in cls.macros:
macros[macro]['type'] = 'class'
macros[macro]['class'] = cls
continue
# Resolve MACROS for the ARGN
def resolve_argn(self, macro, args):
# first, get the number of args
id = None
r = re.search('ARG(?P<id>\d+)', macro)
if r is not None:
id = int(r.group('id')) - 1
try:
return args[id]
except IndexError:
return ''
# Resolve on-demand macro, quite hard in fact
def resolve_ondemand(self, macro, data):
#print "\nResolving macro", macro
elts = macro.split(':')
nb_parts = len(elts)
macro_name = elts[0]
# Len 3 == service, 2 = all others types...
if nb_parts == 3:
val = ''
#print "Got a Service on demand asking...", elts
(host_name, service_description) = (elts[1], elts[2])
# host_name can be void, so it's the host in data
# that is important. We use our self.host_class to
# find the host in the data :)
if host_name == '':
for elt in data:
if elt is not None and elt.__class__ == self.host_class:
host_name = elt.host_name
# Ok now we get service
s = self.services.find_srv_by_name_and_hostname(host_name, service_description)
if s is not None:
cls = s.__class__
prop = cls.macros[macro_name]
val = self.get_value_from_element(s, prop)
#print "Got val:", val
return val
# Ok, service was easy, now hard part
else:
val = ''
elt_name = elts[1]
# Special case: elt_name can be void
# so it's the host where it apply
if elt_name == '':
for elt in data:
if elt is not None and elt.__class__ == self.host_class:
elt_name = elt.host_name
for list in self.lists_on_demand:
cls = list.inner_class
# We search our type by looking at the macro
if macro_name in cls.macros:
prop = cls.macros[macro_name]
i = list.find_by_name(elt_name)
if i is not None:
val = self.get_value_from_element(i, prop)
#print "Got val:", val
return val
return ''
# Get Fri 15 May 11:42:39 CEST 2009
def get_long_date_time(self):
return time.strftime("%a %d %b %H:%M:%S %Z %Y", time.localtime()).decode('UTF-8', 'ignore')
# Get 10-13-2000 00:30:28
def get_short_date_time(self):
return time.strftime("%d-%m-%Y %H:%M:%S", time.localtime())
# Get 10-13-2000
def get_date(self):
return time.strftime("%d-%m-%Y", time.localtime())
# Get 00:30:28
def get_time(self):
return time.strftime("%H:%M:%S", time.localtime())
# Get epoch time
def get_timet(self):
return str(int(time.time()))
def get_total_hosts_up(self):
return len([h for h in self.hosts if h.state == 'UP'])
def get_total_hosts_down(self):
return len([h for h in self.hosts if h.state == 'DOWN'])
def get_total_hosts_unreacheable(self):
return len([h for h in self.hosts if h.state == 'UNREACHABLE'])
# TODO
def get_total_hosts_unreacheable_unhandled(self):
return 0
def get_total_host_problems(self):
return len([h for h in self.hosts if h.is_problem])
def get_total_host_problems_unhandled(self):
return 0
def get_total_service_ok(self):
return len([s for s in self.services if s.state == 'OK'])
def get_total_services_warning(self):
return len([s for s in self.services if s.state == 'WARNING'])
def get_total_services_critical(self):
return len([s for s in self.services if s.state == 'CRITICAL'])
def get_total_services_unknown(self):
return len([s for s in self.services if s.state == 'UNKNOWN'])
# TODO
def get_total_services_warning_unhandled(self):
return 0
def get_total_services_critical_unhandled(self):
return 0
def get_total_services_unknown_unhandled(self):
return 0
def get_total_service_problems(self):
return len([s for s in self.services if s.is_problem])
def get_total_service_problems_unhandled(self):
return 0
def get_process_start_time(self):
return 0
def get_events_start_time(self):
return 0
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