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Your IP : 3.145.74.249
### 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 connections.
"""
def __init__(self):
self.name = 'mysql5 conn'
self.type = 'f'
self.width = 4
self.scale = 1
self.nick = ('ThCon', '%Con')
self.vars = ('Threads_connected', 'Threads')
def check(self):
global MySQLdb
import MySQLdb
try:
self.db = MySQLdb.connect(user=mysql_user, passwd=mysql_pwd)
except Exception, e:
raise Exception, 'Cannot interface with MySQL server, %s' % e
def extract(self):
try:
c = self.db.cursor()
c.execute("""show global variables like 'max_connections';""")
max = c.fetchone()
c.execute("""show global status like 'Threads_connected';""")
thread = c.fetchone()
if thread[0] in self.vars:
self.set2[thread[0]] = float(thread[1])
self.set2['Threads'] = float(thread[1]) / float(max[1]) * 100.0
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
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