def esRotateIndexes():
if options.output == 'syslog':
logger.addHandler(
SysLogHandler(address=(options.sysloghostname,
options.syslogport)))
else:
sh = logging.StreamHandler(sys.stderr)
sh.setFormatter(formatter)
logger.addHandler(sh)
logger.debug('started')
with open(options.default_mapping_file, 'r') as mapping_file:
default_mapping_contents = json.loads(mapping_file.read())
try:
es = ElasticsearchClient(
(list('{0}'.format(s) for s in options.esservers)))
indices = es.get_indices()
# calc dates for use in index names events-YYYYMMDD, alerts-YYYYMM, etc.
odate_day = date.strftime(
toUTC(datetime.now()) - timedelta(days=1), '%Y%m%d')
odate_month = date.strftime(
toUTC(datetime.now()) - timedelta(days=1), '%Y%m')
ndate_day = date.strftime(toUTC(datetime.now()), '%Y%m%d')
ndate_month = date.strftime(toUTC(datetime.now()), '%Y%m')
# examine each index in the .conf file
# for rotation settings
for (index, dobackup, rotation,
pruning) in zip(options.indices, options.dobackup,
options.rotation, options.pruning):
try:
if rotation != 'none':
oldindex = index
newindex = index
if rotation == 'daily':
oldindex += '-%s' % odate_day
newindex += '-%s' % ndate_day
elif rotation == 'monthly':
oldindex += '-%s' % odate_month
newindex += '-%s' % ndate_month
# do not rotate before the month ends
if oldindex == newindex:
logger.debug(
'do not rotate %s index, month has not changed yet'
% index)
continue
if newindex not in indices:
index_settings = {}
if 'events' in newindex:
index_settings = {
"index": {
"refresh_interval":
options.refresh_interval,
"number_of_shards":
options.number_of_shards,
"number_of_replicas":
options.number_of_replicas,
"search.slowlog.threshold.query.warn":
options.slowlog_threshold_query_warn,
"search.slowlog.threshold.fetch.warn":
options.slowlog_threshold_fetch_warn,
"mapping.total_fields.limit":
options.mapping_total_fields_limit
}
}
default_mapping_contents['settings'] = index_settings
logger.debug('Creating %s index' % newindex)
es.create_index(newindex, default_mapping_contents)
# set aliases: events to events-YYYYMMDD
# and events-previous to events-YYYYMMDD-1
logger.debug('Setting {0} alias to index: {1}'.format(
index, newindex))
es.create_alias(index, newindex)
if oldindex in indices:
logger.debug(
'Setting {0}-previous alias to index: {1}'.format(
index, oldindex))
es.create_alias('%s-previous' % index, oldindex)
else:
logger.debug(
'Old index %s is missing, do not change %s-previous alias'
% (oldindex, index))
except Exception as e:
logger.error(
"Unhandled exception while rotating %s, terminating: %r" %
(index, e))
indices = es.get_indices()
# Create weekly aliases for certain indices
week_ago_date = toUTC(datetime.now()) - timedelta(weeks=1)
week_ago_str = week_ago_date.strftime('%Y%m%d')
current_date = toUTC(datetime.now())
for index in options.weekly_rotation_indices:
weekly_index_alias = '%s-weekly' % index
logger.debug('Trying to re-alias {0} to indices since {1}'.format(
weekly_index_alias, week_ago_str))
existing_weekly_indices = []
for day_obj in daterange(week_ago_date, current_date):
day_str = day_obj.strftime('%Y%m%d')
day_index = index + '-' + str(day_str)
if day_index in indices:
existing_weekly_indices.append(day_index)
else:
logger.debug('%s not found, so cant assign weekly alias' %
day_index)
if existing_weekly_indices:
logger.debug('Creating {0} alias for {1}'.format(
weekly_index_alias, existing_weekly_indices))
es.create_alias_multiple_indices(weekly_index_alias,
existing_weekly_indices)
else:
logger.warning(
'No indices within the past week to assign events-weekly to'
)
except Exception as e:
logger.error("Unhandled exception, terminating: %r" % e)
client.create_index(event_index_name, index_config=index_settings)
client.create_alias('events', event_index_name)
if previous_event_index_name not in all_indices:
print "Creating " + previous_event_index_name
client.create_index(previous_event_index_name, index_config=index_settings)
client.create_alias('events-previous', previous_event_index_name)
if alert_index_name not in all_indices:
print "Creating " + alert_index_name
client.create_index(alert_index_name, index_config=index_settings)
client.create_alias('alerts', alert_index_name)
if weekly_index_alias not in all_indices:
print "Creating " + weekly_index_alias
client.create_alias_multiple_indices(weekly_index_alias, [event_index_name, previous_event_index_name])
if kibana_index_name not in all_indices:
print "Creating " + kibana_index_name
client.create_index(kibana_index_name, index_config={"settings": index_options})
# Wait for .kibana index to be ready
num_times = 0
while not client.index_exists(kibana_index_name):
if num_times < 3:
print("Waiting for .kibana index to be ready")
time.sleep(1)
num_times += 1
else:
print(".kibana index not created...exiting")
sys.exit(1)
client.create_index(event_index_name, index_config=index_settings)
client.create_alias('events', event_index_name)
if previous_event_index_name not in all_indices:
print "Creating " + previous_event_index_name
client.create_index(previous_event_index_name, index_config=index_settings)
client.create_alias('events-previous', previous_event_index_name)
if alert_index_name not in all_indices:
print "Creating " + alert_index_name
client.create_index(alert_index_name)
client.create_alias('alerts', alert_index_name)
if weekly_index_alias not in all_indices:
print "Creating " + weekly_index_alias
client.create_alias_multiple_indices(
weekly_index_alias, [event_index_name, previous_event_index_name])
if kibana_index_name not in all_indices:
print "Creating " + kibana_index_name
client.create_index(kibana_index_name)
# Wait for .kibana index to be ready
num_times = 0
while not client.index_exists('.kibana'):
if num_times < 3:
print("Waiting for .kibana index to be ready")
time.sleep(1)
num_times += 1
else:
print(".kibana index not created...exiting")
sys.exit(1)
def esRotateIndexes():
if options.output == 'syslog':
logger.addHandler(SysLogHandler(address=(options.sysloghostname, options.syslogport)))
else:
sh = logging.StreamHandler(sys.stderr)
sh.setFormatter(formatter)
logger.addHandler(sh)
logger.debug('started')
with open(options.default_mapping_file, 'r') as mapping_file:
default_mapping_contents = json.loads(mapping_file.read())
try:
es = ElasticsearchClient((list('{0}'.format(s) for s in options.esservers)))
indices = es.get_indices()
# calc dates for use in index names events-YYYYMMDD, alerts-YYYYMM, etc.
odate_day = date.strftime(toUTC(datetime.now()) - timedelta(days=1), '%Y%m%d')
odate_month = date.strftime(toUTC(datetime.now()) - timedelta(days=1), '%Y%m')
ndate_day = date.strftime(toUTC(datetime.now()), '%Y%m%d')
ndate_month = date.strftime(toUTC(datetime.now()), '%Y%m')
# examine each index in the .conf file
# for rotation settings
for (index, dobackup, rotation, pruning) in zip(options.indices, options.dobackup, options.rotation, options.pruning):
try:
if rotation != 'none':
oldindex = index
newindex = index
if rotation == 'daily':
oldindex += '-%s' % odate_day
newindex += '-%s' % ndate_day
elif rotation == 'monthly':
oldindex += '-%s' % odate_month
newindex += '-%s' % ndate_month
# do not rotate before the month ends
if oldindex == newindex:
logger.debug('do not rotate %s index, month has not changed yet' % index)
continue
if newindex not in indices:
index_settings = {}
if 'events' in newindex:
index_settings = {
"index": {
"refresh_interval": options.refresh_interval,
"number_of_shards": options.number_of_shards,
"number_of_replicas": options.number_of_replicas,
"search.slowlog.threshold.query.warn": options.slowlog_threshold_query_warn,
"search.slowlog.threshold.fetch.warn": options.slowlog_threshold_fetch_warn,
"mapping.total_fields.limit": options.mapping_total_fields_limit
}
}
elif 'alerts' in newindex:
index_settings = {
"index": {
"number_of_shards": 1
}
}
default_mapping_contents['settings'] = index_settings
logger.debug('Creating %s index' % newindex)
es.create_index(newindex, default_mapping_contents)
# set aliases: events to events-YYYYMMDD
# and events-previous to events-YYYYMMDD-1
logger.debug('Setting {0} alias to index: {1}'.format(index, newindex))
es.create_alias(index, newindex)
if oldindex in indices:
logger.debug('Setting {0}-previous alias to index: {1}'.format(index, oldindex))
es.create_alias('%s-previous' % index, oldindex)
else:
logger.debug('Old index %s is missing, do not change %s-previous alias' % (oldindex, index))
except Exception as e:
logger.error("Unhandled exception while rotating %s, terminating: %r" % (index, e))
indices = es.get_indices()
# Create weekly aliases for certain indices
week_ago_date = toUTC(datetime.now()) - timedelta(weeks=1)
week_ago_str = week_ago_date.strftime('%Y%m%d')
current_date = toUTC(datetime.now())
for index in options.weekly_rotation_indices:
weekly_index_alias = '%s-weekly' % index
logger.debug('Trying to re-alias {0} to indices since {1}'.format(weekly_index_alias, week_ago_str))
existing_weekly_indices = []
for day_obj in daterange(week_ago_date, current_date):
day_str = day_obj.strftime('%Y%m%d')
day_index = index + '-' + str(day_str)
if day_index in indices:
existing_weekly_indices.append(day_index)
else:
logger.debug('%s not found, so cant assign weekly alias' % day_index)
if existing_weekly_indices:
logger.debug('Creating {0} alias for {1}'.format(weekly_index_alias, existing_weekly_indices))
es.create_alias_multiple_indices(weekly_index_alias, existing_weekly_indices)
else:
logger.warning('No indices within the past week to assign events-weekly to')
except Exception as e:
logger.error("Unhandled exception, terminating: %r" % e)
