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CMSPhedexAgents.py
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CMSPhedexAgents.py
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# -*- coding: utf-8 -*-
#
# Copyright 2012 Institut für Experimentelle Kernphysik - Karlsruher Institut für Technologie
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import hf
from sqlalchemy import TEXT, INT, FLOAT, Column
from lxml import etree
from string import strip
class CMSPhedexAgents(hf.module.ModuleBase):
config_keys = {
'blacklist': ('list all agents to be neglected', ''),
'eval_blacklist': ('list all agents, which should be shown but neglected in status evaluation', ''),
'time_warning': ('time in seconds, if reports are older than this, agent status is switched to warning', '3600'),
'time_critical': ('time in seconds, if reports are older than this, agent status is switched to warning', '7200'),
'source_url': ('set url of source', 'both||url')
}
config_hint = ''
table_columns = [
Column('requestTime', FLOAT)
],[]
subtable_columns = {
'details': ([
Column('name', TEXT),
Column('host', TEXT),
Column('label', TEXT),
Column('version', TEXT),
Column('state_dir', TEXT),
Column('time_diff', FLOAT),
Column('pid', INT),
Column('status', TEXT)
],[])
}
def prepareAcquisition(self):
self.time_warning = float(self.config['time_warning'])
self.time_critical = float(self.config['time_critical'])
self.source = hf.downloadService.addDownload(self.config['source_url'])
self.source_url = self.source.getSourceUrl()
self.details_db_value_list = []
try:
self.blacklist = map(strip, self.config['blacklist'].split(','))
except AttributeError:
self.blacklst = None
try:
self.eval_blacklist = map(strip, self.config['eval_blacklist'].split(','))
except AttributeError:
self.eval_blacklist = None
def extractData(self):
data = {}
help_list = []
root = etree.parse(open(self.source.getTmpPath())).getroot()
status_list = []
try:
reqTime = data['requestTime'] = float(root.get('request_timestamp'))
except KeyError:
# raise apropriate Exception, currently not content in core :-/
data['status'] = -1
data['error_string'] = 'Request_Timestamp could not be found in downloaded file'
return data
except ValueError:
# raise apropriate Exception, currently not content in core :-/
data['status'] = -1
data['error_string'] = 'Request_Timestamp could not be converted to float, something is wrong with the file'
return data
for node in root:
agent_dict = {}
node_name = node.get('name')
node_host = node.get('host')
for agent in node:
if self.blacklist is not None:
if agent.get('label') not in self.blacklist:
agent_dict['label'] = agent.get('label')
agent_dict['version'] = agent.get('version')
agent_dict['state_dir'] = agent.get('state_dir')
agent_dict['time_diff'] = reqTime - float(agent.get('time_update'))
agent_dict['pid'] = int(agent.get('pid'))
agent_dict['name'] = node_name
agent_dict['host'] = node_host
if agent_dict['time_diff'] >= self.time_critical:
agent_dict['status'] = 'critical'
elif agent_dict['time_diff'] >= self.time_warning:
agent_dict['status'] = 'warning'
else:
agent_dict['status'] = 'ok'
help_list.append(agent_dict)
else:
agent_dict['label'] = agent.get('label')
agent_dict['version'] = agent.get('version')
agent_dict['state_dir'] = agent.get('state_dir')
agent_dict['time_diff'] = reqTime - float(agent.get('time_update'))
agent_dict['pid'] = int(agent.get('pid'))
agent_dict['name'] = node_name
agent_dict['host'] = node_host
if agent_dict['time_diff'] >= self.time_critical:
agent_dict['status'] = 'critical'
elif agent_dict['time_diff'] >= self.time_warning:
agent_dict['status'] = 'warning'
else:
agent_dict['status'] = 'ok'
help_list.append(agent_dict)
#there might be several entries for the same process, so you need to find the newest
for i,agent in enumerate(help_list):
pid = agent['pid']
min_list = [agent]
checked = True
for j in range(i,len(help_list)):
if pid == help_list[j]['pid']:
min_list.append(help_list[j])
while True:
if len(min_list)> 1:
if min_list[0]['time_diff'] < min_list[1]['time_diff']:
min_list.pop(1)
else:
min_list.pop(0)
else:
break
min_list = min_list[0]
for q in self.details_db_value_list:
if min_list['pid'] == q['pid']:
checked = False
if checked:
self.details_db_value_list.append(min_list)
if self.eval_blacklist is not None:
for i,agent in enumerate(self.details_db_value_list):
if agent['label'] not in self.eval_blacklist:
status_list.append(agent['status'])
else:
for i,agent in enumerate(self.details_db_value_list):
status_list.append(agent['status'])
if 'critical' in status_list:
data['status'] = 0.0
elif 'warning' in status_list:
data['status'] = 0.5
else:
data['status'] = 1.0
return data
def fillSubtables(self, parent_id):
self.subtables['details'].insert().execute([dict(parent_id=parent_id, **row) for row in self.details_db_value_list])
def getTemplateData(self):
data = hf.module.ModuleBase.getTemplateData(self)
details_list = self.subtables['details'].select().where(self.subtables['details'].c.\
parent_id==self.dataset['id']).order_by(self.subtables['details'].c.name.asc()).execute().fetchall()
details_list = [dict(time_str=self.formatTime(row['time_diff']), **row) for row in details_list]
data['details'] = details_list
return data
def formatTime(self,time_diff):
#TODO rewrite this function and use time package or something like that
time_string = ""
d = int(time_diff/24/3600)
h = int((time_diff-d*24*3600)/3600)
m = int((time_diff-d*24*3600-h*3600)/60)
time_string = "%02id:%02ih:%02im" % (d, h, m)
return time_string