class AlarmExpManager(Manager):
def __init__(self):
self.exp_map = AlarmExpMap()
self.exp_parser = ExpParser()
#self.exp_pattern = re.compile('^([a-zA-Z0-9_\\-]+)\\((.*)\\)$')
#self.double_pattern = re.compile('^[0-9]+(\\.[0-9]*)?$')
#self.var_pattern = re.compile('^[0-9a-zA-Z\\._-]+$')
def judge(self, host, rule, data_set):
#节省重复解析计划的时间
if rule.exp_func == None or rule.exp_func == None :
(func_name, func, args) = self._parse_expression(rule.expression)
rule.exp_func_name = func_name
rule.exp_func = func
rule.exp_args = args
#为expression的上下文准备rule
self.exp_map.host = host
self.exp_map.rule = rule
self.exp_map.data_set = data_set
#如果host是cluster的就进行数组过滤进行提示, 感觉无用先去掉
#filter_result = self.exp_map.filter_cluster()
#if filter_result != None :
# return filter_result
real_args,msg = self._get_args_from_ds(data_set,rule.exp_args)
if real_args == None :
return (contants.ALARM_ERROR, msg)
begin = time.time()
exp_result = apply(rule.exp_func,real_args)
end = time.time()
log.info("apply rule_name %s host %s func %s with args %s using %.3lf S" % (rule.name, host, rule.exp_func, str(real_args), end-begin ))
return exp_result
def _parse_expression(self, expression):
'''
使用语法解析工具解析,解析
'''
func_name,exp_list = self.exp_parser.parse_exp(expression)
#log.info("parse the %s : %s %s" % expression,func_name," ".join(exp_list))
if func_name != None :
if hasattr(self.exp_map, func_name) :
return (func_name, getattr(self.exp_map, func_name), exp_list )
else:
raise Exception("ExpError","can't find %s in map" % func_name)
else:
raise Exception("ExpError", "pattern can't match %s" % expression)
def _get_args_from_ds(self, data_set, args):
real_args = []
for arg in args:
value,msg = self.exp_parser.get_exp_value(arg,data_set)
if value == None :
return (None,msg)
real_args.append(value)
return (real_args,"")
class AlarmExpManager(Manager):
def __init__(self):
self.exp_map = AlarmExpMap()
self.exp_parser = ExpParser()
def judge(self, host, rule, data_set):
#节省重复解析计划的时间
if rule.exp_func == None or rule.exp_func == None :
(func_name, func, args) = self._parse_expression(rule.expression)
rule.exp_func_name = func_name
rule.exp_func = func
rule.exp_args = args
#为expression的上下文准备rule
self.exp_map.host = host
self.exp_map.rule = rule
self.exp_map.data_set = data_set
#如果host是cluster的就进行数组过滤进行提示, 感觉无用先去掉
#filter_result = self.exp_map.filter_cluster()
#if filter_result != None :
# return filter_result
real_args,msg = self._get_args_from_ds(data_set,rule.exp_args)
if real_args == None :
log.info("rule_name %s host %s func args not get" % (rule.name, host))
key_word = "%s(%s)" % (host, rule.name+" args not get")
return [{"key_word":key_word,"msg":msg}]
begin = time.time()
exp_result = apply(rule.exp_func,real_args)
end = time.time()
log.info("apply rule_name %s host %s func %s with args %s using %.3lf S" % (rule.name, host, rule.exp_func, str(real_args), end-begin ))
return exp_result
def _parse_expression(self, expression):
'''
使用语法解析工具解析,解析
'''
func_name,exp_list = self.exp_parser.parse_exp(expression)
#log.info("parse the %s : %s %s" % expression,func_name," ".join(exp_list))
if func_name != None :
if hasattr(self.exp_map, func_name) :
return (func_name, getattr(self.exp_map, func_name), exp_list )
else:
raise Exception("ExpError","can't find %s in map" % func_name)
else:
raise Exception("ExpError", "pattern can't match %s" % expression)
def _get_args_from_ds(self, data_set, args):
real_args = []
for arg in args:
value,msg = self.exp_parser.get_exp_value(arg,data_set)
if value == None :
return (None,msg)
real_args.append(value)
return (real_args,"")
def __init__(self):
self.exp_map = AlarmExpMap()
self.exp_parser = ExpParser()
