dbmonitor/mysql.py at master · any-how/dbmonitor · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
#!/usr/bin/python
import MySQLdb
import datetime

class MySQLDatabase:
	username = ''
	password = ''
	hostname = ''
	database = ''
	connection = None


	def __init__(self,username='',password='',hostname='',database=''):
		self.username=username
		self.password=password
		self.hostname=hostname
		self.database=database

	def setConnectionParameters(self,username,hostname,database):
		self.username=username
		self.password=password
		self.hostname=hostname
		self.database=database

	def connect(self):

		try:
			self.connection=MySQLdb.connect(host=self.hostname, user=self.username, passwd=self.password, db=self.database)

		except:
			raise


	def getCurrentConnections(self):
		conns=0
		cursor = self.connection.cursor()
		cursor.execute("""
        	SHOW STATUS WHERE `variable_name` = 'Threads_connected';
		""")
		row=cursor.fetchone()

		if row != None:
			conns=row[1]

		return conns

	def getCurrentQueries(self):
		#TODO: differentiate between MySQL >5.1.7 and < 5.1.7 (information_schema!)
		myQueries=[]
		myrow=[]
		previousID=""
		sqltext=""
		cursor = self.connection.cursor()
		cursor.execute("""
        	SELECT user username, host client,db , time/60 mins_running,info query
			FROM information_schema.processlist
			WHERE STATE='executing'
			#AND time>60;
		""")
		rows=cursor.fetchall()

		if len(rows) > 0:
			for row in rows:
				#Join SQL TEXT
				myrow=list(row[:4])
				sqltext=row[4].strip().replace("\t","").replace("\n"," ")
				myrow.append(sqltext)
				myQueries.append(tuple(myrow))

		return myQueries


	def getCurrentLocks(self):
		myLocks=[]
		rows=None
		myrow=None
		cursor = self.connection.cursor()
		cursor.execute("""
			show open tables where In_Use > 0 || Name_locked > 0;
		""")
		rows=cursor.fetchall()
		#returned: Database, Table, In_use, Name_locked
		#"     Object     |   Type   |  SID  |  LockType   |  LockMode  |  Block  |  LockTime  |")
		if len(rows) > 0:
			for row in rows:
				myrow=list(myrow)
				myrow.append(row[1])
				myrow.append("TABLE")	#TYPE
				myrow.append("-") #SID
				#LOCKTYPE
				if row[3] > 0:
					myrow.append("NAMELOCK")
				elif row[2] > 0:
					myrow.append("LOCK")
				else:
					myrow.append("")
				myrow.append("-")	#LOCKMODE

				myrow.append(row[2])	#BLOCK
				myrow.append("-")	#Locktime

				myLocks.append(tuple(myrow))

				myrow=None
		return myLocks


	def getCurrentConnectionData(self):

		connData=""
		'''
		cursor = self.connection.cursor()
		cursor.execute("""
        	SELECT username,service_name,sid
			FROM v$session
			WHERE sid=(select sys_context('USERENV','SID') from dual)
		""")
		row=cursor.fetchone()

		if row != None:
			connData = str(row[0])+"@"+str(row[1])+"(SID: "+str(row[2])+")"
			'''

		connData=self.username+"@"+self.database+" connected to server: "+self.hostname
		return connData

 	def getCurrentSessions(self):
		rows=None
		myrow=[]
		mySessions=[]
		cursor = self.connection.cursor()
		cursor.execute("""
        	SHOW PROCESSLIST
		""")
		rows=cursor.fetchall()
		#returns: ID, user, host,db, command, time, state ,info
		#"  SID   |    Username    |   Hostname   |   Schema   |     Start Time      |")
		if len(rows) > 0:
			for row in rows:

				myrow=list(row[:3])

				if row[3]==None:
					myrow.append("")
				else:
					myrow.append(row[3])

				stime=datetime.datetime.now()-datetime.timedelta(seconds=row[5])
				myrow.append(stime)

				mySessions.append(tuple(myrow))
				myrow=None
		return mySessions