1
|
|
|
# -*- coding: utf-8 -*- |
2
|
|
|
|
3
|
|
|
__author__ = 'Kenny Freeman' |
4
|
|
|
__email__ = '[email protected]' |
5
|
|
|
__license__ = "ISCL" |
6
|
|
|
__docformat__ = 'reStructuredText' |
7
|
|
|
|
8
|
|
|
import time |
9
|
|
|
from collections import deque |
10
|
|
|
|
11
|
|
|
import pymysql # not listed in setup.py requirements - you must install this |
12
|
|
|
|
13
|
|
|
import plumd |
14
|
|
|
import plumd.plugins |
15
|
|
|
from plumd.calc import Differential |
16
|
|
|
from plumd.util import Filter |
17
|
|
|
|
18
|
|
|
|
19
|
|
|
""" |
20
|
|
|
KEY_CACHES |
21
|
|
|
INFORMATION_SCHEMA |
22
|
|
|
TABLES # or show table status - not accurate for innodb |
23
|
|
|
INNODB_TRX |
24
|
|
|
INNODB_BUFFER_POOL_STATS |
25
|
|
|
TP_THREAD_STATE # thread_handling=pool-of-threads in /etc/my.cnf |
26
|
|
|
""" |
27
|
|
|
|
28
|
|
|
|
29
|
|
|
class MySql(plumd.plugins.Reader): |
30
|
|
|
"""Plugin to measure various MySQL metrics.""" |
31
|
|
|
defaults = { |
32
|
|
|
'poll.interval': 10, |
33
|
|
|
'mysql_hosts': { |
34
|
|
|
'local': { |
35
|
|
|
'host': '127.0.0.1', |
36
|
|
|
'port': 3306, |
37
|
|
|
'user': 'monitor', |
38
|
|
|
'pass': 'monitor', |
39
|
|
|
'dbs': ['mysql'] |
40
|
|
|
} |
41
|
|
|
}, |
42
|
|
|
'mysql_gauges': {}, |
43
|
|
|
'mysql_rates': {} |
44
|
|
|
} |
45
|
|
|
|
46
|
|
View Code Duplication |
def __init__(self, log, config): |
|
|
|
|
47
|
|
|
"""Plugin to measure various MySQL metrics. |
48
|
|
|
|
49
|
|
|
:param log: A logger |
50
|
|
|
:type log: logging.RootLogger |
51
|
|
|
:param config: a plumd.config.Conf configuration helper instance. |
52
|
|
|
:type config: plumd.config.Conf |
53
|
|
|
""" |
54
|
|
|
super(MySql, self).__init__(log, config) |
55
|
|
|
self.config.defaults(MySql.defaults) |
56
|
|
|
self.calc = Differential() |
57
|
|
|
self.hosts = self.config.get('mysql_hosts') |
58
|
|
|
self.filter = Filter() |
59
|
|
|
self.gauges = self.config.get('mysql_gauges') |
60
|
|
|
self.rates = self.config.get('mysql_rates') |
61
|
|
|
|
62
|
|
|
|
63
|
|
|
def poll(self): |
64
|
|
|
"""Poll for MySQL metrics. |
65
|
|
|
|
66
|
|
|
:rtype: ResultSet |
67
|
|
|
""" |
68
|
|
|
result = plumd.Result("mysql") |
69
|
|
|
|
70
|
|
|
# iterate through each configured host |
71
|
|
|
for hname, hconf in self.hosts.items(): |
72
|
|
|
# show status for general metrics |
73
|
|
|
pass |
74
|
|
|
|
75
|
|
|
return [result] |
76
|
|
|
|