#!/usr/bin/python
#
# Questo script sostituisce quello di CyberPax del 2005.
# Lo script si interfaccia al database mySQL presente sull'host e
# provvede alla rotazione mensile di alcune tabelle.
# Lo script e' pensato per essere inserito in /etc/cron.monthly.
# Essendo python praticamente non ha bisogno di commenti.
#
# blue, Marzo 2014

######## IMPORT E DEFINIZIONE VARIABILI GLOBALI ##############
from datetime import date, timedelta
#timestamp = '_'+str(date.today().year)+'_'+str(date.today().month-1)
mydate = date.today() - timedelta(1);
timestamp = mydate.strftime('_%Y_%m');

import MySQLdb as mysql
conn = mysql.connect(user='user',passwd='secretpassword',db='logs');
db = conn.cursor()

######### CREA LA TABELLA table CON IL LAYOUT DESIDERATO #######
def create_log_table(table):
	global db
	db.execute('CREATE TABLE '+table+' \
	( ID int unsigned not null auto_increment primary key, \
		CustomerID bigint, \
		ReceivedAt datetime NULL, \
		DeviceReportedTime datetime NULL, \
		Facility smallint NULL, \
		Priority smallint NULL, \
		FromHost varchar(60) NULL, \
		Message text, \
		NTSeverity int NULL, \
		Importance int NULL, \
		EventSource varchar(60), \
		EventUser varchar(60) NULL, \
		EventCategory int NULL, \
		EventID int NULL, \
		EventBinaryData text NULL, \
		MaxAvailable int NULL, \
		CurrUsage int NULL, \
		MinUsage int NULL, \
		MaxUsage int NULL, \
		InfoUnitID int NULL , \
		SysLogTag varchar(60), \
		EventLogType varchar(60), \
		GenericFileName VarChar(60), \
		SystemID int NULL, \
		Checksum int NULL, \
		ProcessID varchar(60) \
	)')

#### RUOTA LA TABELLA table ####
def rotate_log_table(table):
	global db
	try:
		create_log_table('newtable')
		db.execute('rename table '+table+' to '+table+timestamp)
		db.execute('rename table newtable to '+table)
	except mysql.OperationalError,e:
		print('could not rotate tables: '+str(e))
		try:
			db.execute('drop table newtable');
		except mysql.OperationalError:
			pass
		exit(1)

#######################  MAIN PROGRAM  #####################
for i in ('lcm1','lcm2','laur','server','switches','videoconf','cuda'):
	rotate_log_table(i)

conn.commit()