2 NAME = "mysql.chart.py"
6 stderr.write(NAME + ": using MySQLdb")
7 # https://github.com/PyMySQL/mysqlclient-python
10 import pymysql as MySQLdb
11 # https://github.com/PyMySQL/PyMySQL
12 stderr.write(NAME + ": using pymysql")
14 stderr.write(NAME + ": You need to install PyMySQL module to use mysql.chart.py plugin\n")
21 'socket' : '/var/run/mysqld/mysqld.sock'
28 #query = "SHOW GLOBAL STATUS WHERE value REGEX '^[0-9]'"
29 QUERY = "SHOW GLOBAL STATUS"
40 'thread_cache_misses',
43 'innodb_io_pending_ops',
47 'innodb_cur_row_lock',
49 'innodb_buffer_pool_pages',
50 'innodb_buffer_pool_bytes',
51 'innodb_buffer_pool_read_ahead',
52 'innodb_buffer_pool_reqs',
53 'innodb_buffer_pool_ops',
68 "'' 'mysql Bandwidth' 'kilobits/s' bandwidth mysql.net area",
70 ("Bytes_received", "in incremental 8 1024"),
71 ("Bytes_sent", "out incremental -8 1024")
74 "'' 'mysql Queries' 'queries/s' queries mysql.queries line",
76 ("Queries", "queries incremental 1 1"),
77 ("Questions", "questions incremental 1 1"),
78 ("Slow_queries", "slow_queries incremental -1 1")
81 "'' 'mysql Handlers' 'handlers/s' handlers mysql.handlers line",
83 ("Handler_commit", "commit incremental 1 1"),
84 ("Handler_delete", "delete incremental 1 1"),
85 ("Handler_prepare", "prepare incremental 1 1"),
86 ("Handler_read_first", "read_first incremental 1 1"),
87 ("Handler_read_key", "read_key incremental 1 1"),
88 ("Handler_read_next", "read_next incremental 1 1"),
89 ("Handler_read_prev", "read_prev incremental 1 1"),
90 ("Handler_read_rnd", "read_rnd incremental 1 1"),
91 ("Handler_read_rnd_next", "read_rnd_next incremental 1 1"),
92 ("Handler_rollback", "rollback incremental 1 1"),
93 ("Handler_savepoint", "savepoint incremental 1 1"),
94 ("Handler_savepoint_rollback", "savepoint_rollback incremental 1 1"),
95 ("Handler_update", "update incremental 1 1"),
96 ("Handler_write", "write incremental 1 1")
99 "'' 'mysql Tables Locks' 'locks/s' locks mysql.table_locks line",
101 ("Table_locks_immediate", "immediate incremental 1 1"),
102 ("Table_locks_waited", "waited incremental -1 1")
105 "'' 'mysql Select Join Issues' 'joins/s' issues mysql.join_issues line",
107 ("Select_full_join", "full_join incremental 1 1"),
108 ("Select_full_range_join", "full_range_join incremental 1 1"),
109 ("Select_range", "range incremental 1 1"),
110 ("Select_range_check", "range_check incremental 1 1"),
111 ("Select_scan", "scan incremental 1 1"),
114 "'' 'mysql Sort Issues' 'issues/s' issues mysql.sort.issues line",
116 ("Sort_merge_passes", "merge_passes incremental 1 1"),
117 ("Sort_range", "range incremental 1 1"),
118 ("Sort_scan", "scan incremental 1 1"),
121 "'' 'mysql Tmp Operations' 'counter' temporaries mysql.tmp line",
123 ("Created_tmp_disk_tables", "disk_tables incremental 1 1"),
124 ("Created_tmp_files", "files incremental 1 1"),
125 ("Created_tmp_tables", "tables incremental 1 1"),
128 "'' 'mysql Connections' 'connections/s' connections mysql.connections line",
130 ("Connections", "all incremental 1 1"),
131 ("Aborted_connects", "aborted incremental 1 1"),
134 "'' 'mysql Binlog Cache' 'transactions/s' binlog mysql.binlog_cache line",
136 ("Binlog_cache_disk_use", "disk incremental 1 1"),
137 ("Binlog_cache_use", "all incremental 1 1"),
140 "'' 'mysql Threads' 'threads' threads mysql.threads line",
142 ("Threads_connected", "connected absolute 1 1"),
143 ("Threads_created", "created incremental 1 1"),
144 ("Threads_cached", "cached absolute -1 1"),
145 ("Threads_running", "running absolute 1 1"),
147 'thread_cache_misses' : (
148 "'' 'mysql Threads Cache Misses' 'misses' threads mysql.thread_cache_misses area",
150 ("Thread_cache_misses", "misses misses absolute 1 100"),
153 "'' 'mysql InnoDB I/O Bandwidth' 'kilobytes/s' innodb mysql.innodb_io area",
155 ("Innodb_data_read", "read incremental 1 1024"),
156 ("Innodb_data_written", "write incremental -1 1024"),
159 "'' 'mysql InnoDB I/O Operations' 'operations/s' innodb mysql.innodb_io_ops line",
161 ("Innodb_data_reads", "reads incremental 1 1"),
162 ("Innodb_data_writes", "writes incremental -1 1"),
163 ("Innodb_data_fsyncs", "fsyncs incremental 1 1"),
165 'innodb_io_pending_ops' : (
166 "'' 'mysql InnoDB Pending I/O Operations' 'operations' innodb mysql.innodb_io_pending_ops line",
168 ("Innodb_data_pending_reads", "reads absolute 1 1"),
169 ("Innodb_data_pending_writes", "writes absolute -1 1"),
170 ("Innodb_data_pending_fsyncs", "fsyncs absolute 1 1"),
173 "'' 'mysql InnoDB Log Operations' 'operations/s' innodb mysql.innodb_log line",
175 ("Innodb_log_waits", "waits incremental 1 1"),
176 ("Innodb_log_write_requests", "write_requests incremental -1 1"),
177 ("Innodb_log_writes", "incremental -1 1"),
180 "'' 'mysql InnoDB OS Log Operations' 'operations' innodb mysql.innodb_os_log line",
182 ("Innodb_os_log_fsyncs", "fsyncs incremental 1 1"),
183 ("Innodb_os_log_pending_fsyncs", "pending_fsyncs absolute 1 1"),
184 ("Innodb_os_log_pending_writes", "pending_writes absolute -1 1"),
186 'innodb_os_log_io' : (
187 "'' 'mysql InnoDB OS Log Bandwidth' 'kilobytes/s' innodb mysql.innodb_os_log_io area",
189 ("Innodb_os_log_written", "write incremental -1 1024"),
191 'innodb_cur_row_lock' : (
192 "'' 'mysql InnoDB Current Row Locks' 'operations' innodb mysql.innodb_cur_row_lock area",
194 ("Innodb_row_lock_current_waits", "current_waits absolute 1 1"),
197 "'' 'mysql InnoDB Row Operations' 'operations/s' innodb mysql.innodb_rows area",
199 ("Innodb_rows_inserted", "read incremental 1 1"),
200 ("Innodb_rows_read", "deleted incremental -1 1"),
201 ("Innodb_rows_updated", "inserted incremental 1 1"),
202 ("Innodb_rows_deleted", "updated incremental -1 1"),
204 'innodb_buffer_pool_pages' : (
205 "'' 'mysql InnoDB Buffer Pool Pages' 'pages' innodb mysql.innodb_buffer_pool_pages line",
207 ("Innodb_buffer_pool_pages_data", "data absolute 1 1"),
208 ("Innodb_buffer_pool_pages_dirty", "dirty absolute -1 1"),
209 ("Innodb_buffer_pool_pages_free", "free absolute 1 1"),
210 ("Innodb_buffer_pool_pages_flushed", "flushed incremental -1 1"),
211 ("Innodb_buffer_pool_pages_misc", "misc absolute -1 1"),
212 ("Innodb_buffer_pool_pages_total", "total absolute 1 1"),
214 'innodb_buffer_pool_bytes' : (
215 "'' 'mysql InnoDB Buffer Pool Bytes' 'MB' innodb mysql.innodb_buffer_pool_bytes area",
217 ("Innodb_buffer_pool_bytes_data", "data absolute 1"),
218 ("Innodb_buffer_pool_bytes_dirty", "dirty absolute -1"),
220 'innodb_buffer_pool_read_ahead' : (
221 "'' 'mysql InnoDB Buffer Pool Read Ahead' 'operations/s' innodb mysql.innodb_buffer_pool_read_ahead area",
223 ("Innodb_buffer_pool_read_ahead", "all incremental 1 1"),
224 ("Innodb_buffer_pool_read_ahead_evicted", "evicted incremental -1 1"),
225 ("Innodb_buffer_pool_read_ahead_rnd", "random incremental 1 1"),
227 'innodb_buffer_pool_reqs' : (
228 "'' 'mysql InnoDB Buffer Pool Requests' 'requests/s' innodb mysql.innodb_buffer_pool_reqs area",
230 ("Innodb_buffer_pool_read_requests", "reads incremental 1 1"),
231 ("Innodb_buffer_pool_write_requests", "writes incremental -1 1"),
233 'innodb_buffer_pool_ops' : (
234 "'' 'mysql InnoDB Buffer Pool Operations' 'operations/s' innodb mysql.innodb_buffer_pool_ops area",
236 ("Innodb_buffer_pool_reads", "'disk reads' incremental 1 1"),
237 ("Innodb_buffer_pool_wait_free", "'wait free' incremental -1 1"),
240 "'' 'mysql QCache Operations' 'queries/s' qcache mysql.qcache_ops line",
242 ("Qcache_hits", "hits incremental 1 1"),
243 ("Qcache_lowmem_prunes", "'lowmem prunes' incremental -1 1"),
244 ("Qcache_inserts", "inserts incremental 1 1"),
245 ("Qcache_not_cached", "'not cached' incremental -1 1"),
248 "'' 'mysql QCache Queries in Cache' 'queries' qcache mysql.qcache line",
250 ("Qcache_queries_in_cache", "queries absolute 1 1"),
253 "'' 'mysql QCache Free Memory' 'MB' qcache mysql.qcache_freemem area",
255 ("Qcache_free_memory", "free absolute 1"),
257 'qcache_memblocks' : (
258 "'' 'mysql QCache Memory Blocks' 'blocks' qcache mysql.qcache_memblocks line",
260 ("Qcache_free_blocks", "free absolute 1"),
261 ("Qcache_total_blocks", "total absolute 1 1"),
264 "'' 'mysql MyISAM Key Cache Blocks' 'blocks' myisam mysql.key_blocks line",
266 ("Key_blocks_unused", "unused absolute 1 1"),
267 ("Key_blocks_used", "used absolute -1 1"),
268 ("Key_blocks_not_flushed", "'not flushed' absolute 1 1"),
271 "'' 'mysql MyISAM Key Cache Requests' 'requests/s' myisam mysql.key_requests area",
273 ("Key_read_requests", "reads incremental 1 1"),
274 ("Key_write_requests", "writes incremental -1 1"),
277 "'' 'mysql MyISAM Key Cache Disk Operations' 'operations/s' myisam mysql.key_disk_ops area",
279 ("Key_reads", "reads incremental 1 1"),
280 ("Key_writes", "writes incremental -1 1"),
283 "'' 'mysql Open Files' 'files' files mysql.files line",
285 ("Open_files", "files absolute 1 1"),
288 "'' 'mysql Opened Files Rate' 'files/s' files mysql.files_rate line",
290 ("Opened_files", "files incremental 1 1"),
292 'binlog_stmt_cache' : (
293 "'' 'mysql Binlog Statement Cache' 'statements/s' binlog mysql.binlog_stmt_cache line",
295 ("Binlog_stmt_cache_disk_use", "disk incremental 1 1"),
296 ("Binlog_stmt_cache_use", "all incremental 1 1"),
298 'connection_errors' : (
299 "'' 'mysql Connection Errors' 'connections/s' connections mysql.connection_errors line",
301 ("Connection_errors_accept", "accept incremental 1 1"),
302 ("Connection_errors_internal", "internal incremental 1 1"),
303 ("Connection_errors_max_connections", "max incremental 1 1"),
304 ("Connection_errors_peer_address", "peer_addr incremental 1 1"),
305 ("Connection_errors_select", "select incremental 1 1"),
306 ("Connection_errors_tcpwrap", "tcpwrap incremental 1 1")
312 def __init__(self,config=None):
314 pass # TODO use defaults
315 if 'name' not in config:
316 from random import randint
317 config['name'] = "srv_"+str(randint(0,99)
318 if 'user' not in config:
319 config['user'] = 'root'
320 if 'password' not in config:
321 config['password'] = ''
322 if 'my.cnf' in config:
323 config['socket'] = ''
326 elif 'socket' in config:
327 config['my.cnf'] = ''
330 elif 'host' in config:
331 config['my.cnf'] = ''
332 config['socket'] = ''
334 config['port'] = int(config['port'])
336 config['port'] = 3306
339 self.connection = None
344 self.connection = self._connect()
347 self.connection = None
354 self.connection = MySQLdb.connect(user=self.config['user'],
355 passwd=self.config['password'],
356 read_default_file=self.config['my.cnf'],
357 unix_socket=self.config['socket'],
358 host=self.config['host'],
359 port=self.config['port'],
360 connect_timeout=int(update_every))
361 except Exception as e:
362 stderr.write(NAME + " has problem connecting to server: "+str(e).replace("\n"," ")+"\n")
363 raise RuntimeError #stop creating module, need to catch it in supervisor
368 with self.connection.cursor() as cursor:
369 cursor.execute(QUERY)
370 raw_data = cursor.fetchall()
371 except Exception as e:
372 stderr.write(NAME + ": cannot execute query." + str(e) + "\n")
373 self.connection.close()
376 return dict(raw_data)
382 self.mysql_def[name] = []
383 for line in CHARTS[name][1]:
384 self.mysql_def[name].append(line[0])
387 data = self._get_data(self.config)
389 header = "CHART mysql_" + \
390 str(srv['name']) + "." + \
392 CHARTS[name][0] + " " + \
393 str(priority + idx) + " " + \
396 # check if server has this datapoint
397 for line in CHARTS[name][1]:
399 content += "DIMENSION " + line[0] + " " + line[1] + "\n"
410 def update(self,interval):
411 data = self._get_data(self.config)
415 data['Thread cache misses'] = int( int(data['Threads_created']) * 10000 / int(data['Connections']))
418 for chart, dimensions in self._mysql_def.items():
419 header = "BEGIN mysql_" + str(self.config['name']) + "." + chart + " " + str(interval) + '\n'
423 lines += "SET " + d + " = " + data[d] + '\n'
427 print(header + lines + "END")