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GridKaAnnouncement.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
import lxml.html
import StringIO
from sqlalchemy import TEXT, INT, Column
class GridKaAnnouncement(hf.module.ModuleBase):
config_keys = {
'crit_incidents_high': (
'Number of high level incidents that trigger status = critical',''),
'crit_incidents_medium': (
'Number of medium level incidents that trigger status = critical',''),
'warn_incidents_low': (
'Number of low level incidents that trigger status = w8arning',''),
'warn_incidents_info': (
'Number of info level incidents that trigger status = warning',''),
'crit_interventions_outage': (
'Number of interventions with level = outage that trigger \
status = critical',''),
'warn_interventions_info': (
'Number of interventions with level = at risk/info that \
trigger status = warning',''),
'source_url': (
'GridKa Incidents and Interventions Report URL',''),
}
config_hint = ''
table_columns = ([
Column('nIncidentsHigh', INT),
Column('nIncidentsMedium', INT),
Column('nIncidentsLow', INT),
Column('nIncidentsInfo', INT),
Column('nInterventionsOutage', INT),
Column('nInterventionsAtRisk', INT)], [])
subtable_columns = {
'incidents': ([
Column('row_type', TEXT),
Column('severity', TEXT),
Column('submit_time', TEXT),
Column('update_time', TEXT),
Column('description', TEXT),
Column('affecting_explanation', TEXT)], []),
'interventions': ([
Column('row_type', TEXT),
Column('severity', TEXT),
Column('submit_time', TEXT),
Column('update_time', TEXT),
Column('intervention_start', TEXT),
Column('intervention_end', TEXT),
Column('description', TEXT),
Column('affecting_explanation', TEXT)], [])}
def prepareAcquisition(self):
try:
self.nCritIncidentsHigh = int(self.config['crit_incidents_high'])
self.nCritIncidentsMedium = int(self.config['crit_incidents_medium'])
self.nWarnIncidentsLow = int(self.config['warn_incidents_low'])
self.nWarnIncidentsInfo = int(self.config['warn_incidents_info'])
self.nCritInterventionsOutage = int(self.config['crit_interventions_outage'])
self.nWarnInterventionsInfo = int(self.config['warn_interventions_info'])
except KeyError, ex:
raise hf.exceptions.ConfigError(
'Required parameter "%s" not specified' % str(ex))
if 'source_url' not in self.config:
raise hf.exceptions.ConfigError('No source URL specified')
self.source = hf.downloadService.addDownload(self.config['source_url'])
self.source_url = self.source.getSourceUrl()
self.incidents_db_value_list = []
self.interventions_db_value_list = []
def extractData(self):
data = {'source_url': self.source.getSourceUrl()}
webpage = open(self.source.getTmpPath())
strwebpage = webpage.read().replace("<br>","\n").replace("<br/>","\n")
tree = lxml.html.parse(StringIO.StringIO(strwebpage))
itables = 0
nIncidentsHigh = 0
nIncidentsMedium = 0
nIncidentsLow = 0
nIncidentsInfo = 0
nInterventionsOutage = 0
nInterventionsAtRisk = 0
for tables in tree.iter('table'):
if itables == 0:
for irows in range(2,len(tables)):
row = tables[irows]
severitylevel = row[0][0][0].get('src').replace(
'/monitoring/status/images/','').replace(
'_dot.gif','')
if severitylevel == 'red':
incident_type = 'critical'
severitylevel = 'high'
nIncidentsHigh += 1
elif severitylevel == 'orange':
incident_type = 'warning'
severitylevel = 'medium'
nIncidentsMedium += 1
elif severitylevel == 'yellow':
incident_type = 'warning'
severitylevel = 'low'
nIncidentsLow += 1
elif severitylevel == 'green':
incident_type = 'ok'
severitylevel = 'info'
nIncidentsInfo += 1
Incident = {}
Incident['row_type'] = incident_type
Incident['severity'] = severitylevel
time = row[1].text_content()
if '\n' in time:
submit_time = time.split('\n')[0]
update_time = time.split('\n')[1]
Incident['submit_time'] = submit_time if \
(submit_time!='' and not submit_time is None) else 'n/a'
Incident['update_time'] = update_time if \
(update_time!='' and not submit_time is None) else 'n/a'
elif time <> '':
Incident['submit_time'] = time
Incident['update_time'] = 'n/a'
else:
Incident['submit_time'] = 'n/a'
Incident['update_time'] = 'n/a'
if row[2].text == None:
Incident['description'] = 'n/a'
else:
Incident['description'] = \
row[2].text_content().replace("\n","<br/>")
if row[3].text == None:
Incident['affecting_explanation'] = 'n/a'
else:
Incident['affecting_explanation'] = \
row[3].text_content().replace("\n","<br/>")
self.incidents_db_value_list.append(Incident)
data['nIncidentsHigh'] = nIncidentsHigh
data['nIncidentsMedium'] = nIncidentsMedium
data['nIncidentsLow'] = nIncidentsLow
data['nIncidentsInfo'] = nIncidentsInfo
elif itables == 1:
for irows in range(2,len(tables)):
row = tables[irows]
severitylevel = row[0][0][0].get('src').replace(
'/monitoring/status/images/','').replace('_dot.gif','')
if severitylevel == 'red':
intervention_type = 'critical'
severitylevel = 'outage'
nInterventionsOutage += 1
elif severitylevel == 'green':
intervention_type = 'ok'
severitylevel = 'info/at risk'
nInterventionsAtRisk += 1
Intervention = {}
Intervention['row_type'] = intervention_type
Intervention['severity'] = severitylevel
SubmitUpdateTime = row[1].text_content()
if '\n' in SubmitUpdateTime:
submit_time = SubmitUpdateTime.split('\n')[0]
update_time = SubmitUpdateTime.split('\n')[1]
Intervention['submit_time'] = submit_time if (
submit_time!='' and not submit_time is None
) else 'n/a'
Intervention['update_time'] = update_time if (
update_time!='' and not submit_time is None
) else 'n/a'
elif SubmitUpdateTime <> '':
Intervention['submit_time'] = SubmitUpdateTime
Intervention['update_time'] = 'n/a'
else:
Intervention['submit_time'] = 'n/a'
Intervention['update_time'] = 'n/a'
StartEnd = row[2].text_content()
if '\n' in StartEnd:
intervention_start = StartEnd.split('\n')[0]
intervention_end = StartEnd.split('\n')[1]
Intervention['intervention_start'] = intervention_start if (
intervention_start!='' and not intervention_start is None
) else 'n/a'
Intervention['intervention_end'] = intervention_end if (
intervention_end!='' and not intervention_end is None
) else 'n/a'
elif StartEnd <> '':
Intervention['intervention_start'] = StartEnd
Intervention['intervention_end'] = 'n/a'
else:
Intervention['intervention_start'] = 'n/a'
Intervention['intervention_end'] = 'n/a'
if row[3].text == None:
Intervention['description'] = 'n/a'
else:
Intervention['description'] = \
row[3].text_content().replace("\n","<br/>")
if row[4].text == None:
Intervention['affecting_explanation'] = 'n/a'
else:
Intervention['affecting_explanation'] = \
row[4].text_content().replace("\n","<br/>")
self.interventions_db_value_list.append(Intervention)
data['nInterventionsOutage'] = nInterventionsOutage
data['nInterventionsAtRisk'] = nInterventionsAtRisk
itables += 1
# check if numbers of different incidents and interventions
# exceed the limits and set status accordingly
if nIncidentsHigh >= self.nCritIncidentsHigh or \
nIncidentsMedium >= self.nCritIncidentsMedium or \
nInterventionsOutage >= self.nCritInterventionsOutage:
data['status'] = 0.0
elif nIncidentsLow >= self.nWarnIncidentsLow or \
nIncidentsInfo >= self.nWarnIncidentsInfo or \
nInterventionsAtRisk >= self.nWarnIncidentsInfo:
data['status'] = 0.5
else:
data['status'] = 1.0
return data
def fillSubtables(self, parent_id):
self.subtables['incidents'].insert().execute(
[dict(parent_id=parent_id, **row) for row in self.incidents_db_value_list])
self.subtables['interventions'].insert().execute(
[dict(parent_id=parent_id, **row) for row in self.interventions_db_value_list])
def getTemplateData(self):
data = hf.module.ModuleBase.getTemplateData(self)
incident_list = self.subtables['incidents'].select().where(
self.subtables['incidents'].c.parent_id==self.dataset['id']
).execute().fetchall()
data['incident_list'] = map(dict, incident_list)
intervention_list = self.subtables['interventions'].select().where(
self.subtables['interventions'].c.parent_id==self.dataset['id']
).execute().fetchall()
data['intervention_list'] = map(dict, intervention_list)
return data