### Author: <lefred$inuits,be> global mysql_user mysql_user = os.getenv('DSTAT_MYSQL_USER') or os.getenv('USER') global mysql_pwd mysql_pwd = os.getenv('DSTAT_MYSQL_PWD') class dstat_plugin(dstat): """ Plugin for MySQL 5 I/O. """ def __init__(self): self.name = 'mysql5 io' self.nick = ('recv', 'sent') self.vars = ('Bytes_received', 'Bytes_sent') def check(self): global MySQLdb import MySQLdb try: self.db = MySQLdb.connect(user=mysql_user, passwd=mysql_pwd) except: raise Exception, 'Cannot interface with MySQL server' def extract(self): try: c = self.db.cursor() c.execute("""show global status like 'Bytes_%';""") lines = c.fetchall() for line in lines: if len(line[1]) < 2: continue if line[0] in self.vars: self.set2[line[0]] = float(line[1]) for name in self.vars: self.val[name] = self.set2[name] * 1.0 / elapsed if step == op.delay: self.set1.update(self.set2) except Exception, e: for name in self.vars: self.val[name] = -1 # vim:ts=4:sw=4:et

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