5 # https://github.com/PyMySQL/PyMySQL
8 sys.stderr.write("mysql.chart.d: You need to install PyMySQL module to use mysql.chart.py plugin")
15 'socket' : '/var/run/mysqld/mysqld.sock'
22 #query = "SHOW GLOBAL STATUS WHERE value REGEX '^[0-9]'"
23 QUERY = "SHOW GLOBAL STATUS"
34 'thread_cache_misses',
37 'innodb_io_pending_ops',
41 'innodb_cur_row_lock',
43 'innodb_buffer_pool_pages',
44 'innodb_buffer_pool_bytes',
45 'innodb_buffer_pool_read_ahead',
46 'innodb_buffer_pool_reqs',
47 'innodb_buffer_pool_ops',
62 "'' 'mysql Bandwidth' 'kilobits/s' bandwidth mysql.net area",
64 ("Bytes_received", "in incremental 8 1024"),
65 ("Bytes_sent", "out incremental -8 1024")
68 "'' 'mysql Queries' 'queries/s' queries mysql.queries line",
70 ("Queries", "queries incremental 1 1"),
71 ("Questions", "questions incremental 1 1"),
72 ("Slow_queries", "slow_queries incremental -1 1")
75 "'' 'mysql Handlers' 'handlers/s' handlers mysql.handlers line",
77 ("Handler_commit", "commit incremental 1 1"),
78 ("Handler_delete", "delete incremental 1 1"),
79 ("Handler_prepare", "prepare incremental 1 1"),
80 ("Handler_read_first", "read_first incremental 1 1"),
81 ("Handler_read_key", "read_key incremental 1 1"),
82 ("Handler_read_next", "read_next incremental 1 1"),
83 ("Handler_read_prev", "read_prev incremental 1 1"),
84 ("Handler_read_rnd", "read_rnd incremental 1 1"),
85 ("Handler_read_rnd_next", "read_rnd_next incremental 1 1"),
86 ("Handler_rollback", "rollback incremental 1 1"),
87 ("Handler_savepoint", "savepoint incremental 1 1"),
88 ("Handler_savepoint_rollback", "savepoint_rollback incremental 1 1"),
89 ("Handler_update", "update incremental 1 1"),
90 ("Handler_write", "write incremental 1 1")
93 "'' 'mysql Tables Locks' 'locks/s' locks mysql.table_locks line",
95 ("Table_locks_immediate", "immediate incremental 1 1"),
96 ("Table_locks_waited", "waited incremental -1 1")
99 "'' 'mysql Select Join Issues' 'joins/s' issues mysql.join_issues line",
101 ("Select_full_join", "full_join incremental 1 1"),
102 ("Select_full_range_join", "full_range_join incremental 1 1"),
103 ("Select_range", "range incremental 1 1"),
104 ("Select_range_check", "range_check incremental 1 1"),
105 ("Select_scan", "scan incremental 1 1"),
108 "'' 'mysql Sort Issues' 'issues/s' issues mysql.sort.issues line",
110 ("Sort_merge_passes", "merge_passes incremental 1 1"),
111 ("Sort_range", "range incremental 1 1"),
112 ("Sort_scan", "scan incremental 1 1"),
115 "'' 'mysql Tmp Operations' 'counter' temporaries mysql.tmp line",
117 ("Created_tmp_disk_tables", "disk_tables incremental 1 1"),
118 ("Created_tmp_files", "files incremental 1 1"),
119 ("Created_tmp_tables", "tables incremental 1 1"),
122 "'' 'mysql Connections' 'connections/s' connections mysql.connections line",
124 ("Connections", "all incremental 1 1"),
125 ("Aborted_connects", "aborted incremental 1 1"),
128 "'' 'mysql Binlog Cache' 'transactions/s' binlog mysql.binlog_cache line",
130 ("Binlog_cache_disk_use", "disk incremental 1 1"),
131 ("Binlog_cache_use", "all incremental 1 1"),
134 "'' 'mysql Threads' 'threads' threads mysql.threads line",
136 ("Threads_connected", "connected absolute 1 1"),
137 ("Threads_created", "created incremental 1 1"),
138 ("Threads_cached", "cached absolute -1 1"),
139 ("Threads_running", "running absolute 1 1"),
141 'thread_cache_misses' : (
142 "'' 'mysql Threads Cache Misses' 'misses' threads mysql.thread_cache_misses area",
144 ("Thread_cache_misses", "misses misses absolute 1 100"),
147 "'' 'mysql InnoDB I/O Bandwidth' 'kilobytes/s' innodb mysql.innodb_io area",
149 ("Innodb_data_read", "read incremental 1 1024"),
150 ("Innodb_data_written", "write incremental -1 1024"),
153 "'' 'mysql InnoDB I/O Operations' 'operations/s' innodb mysql.innodb_io_ops line",
155 ("Innodb_data_reads", "reads incremental 1 1"),
156 ("Innodb_data_writes", "writes incremental -1 1"),
157 ("Innodb_data_fsyncs", "fsyncs incremental 1 1"),
159 'innodb_io_pending_ops' : (
160 "'' 'mysql InnoDB Pending I/O Operations' 'operations' innodb mysql.innodb_io_pending_ops line",
162 ("Innodb_data_pending_reads", "reads absolute 1 1"),
163 ("Innodb_data_pending_writes", "writes absolute -1 1"),
164 ("Innodb_data_pending_fsyncs", "fsyncs absolute 1 1"),
167 "'' 'mysql InnoDB Log Operations' 'operations/s' innodb mysql.innodb_log line",
169 ("Innodb_log_waits", "waits incremental 1 1"),
170 ("Innodb_log_write_requests", "write_requests incremental -1 1"),
171 ("Innodb_log_writes", "incremental -1 1"),
174 "'' 'mysql InnoDB OS Log Operations' 'operations' innodb mysql.innodb_os_log line",
176 ("Innodb_os_log_fsyncs", "fsyncs incremental 1 1"),
177 ("Innodb_os_log_pending_fsyncs", "pending_fsyncs absolute 1 1"),
178 ("Innodb_os_log_pending_writes", "pending_writes absolute -1 1"),
180 'innodb_os_log_io' : (
181 "'' 'mysql InnoDB OS Log Bandwidth' 'kilobytes/s' innodb mysql.innodb_os_log_io area",
183 ("Innodb_os_log_written", "write incremental -1 1024"),
185 'innodb_cur_row_lock' : (
186 "'' 'mysql InnoDB Current Row Locks' 'operations' innodb mysql.innodb_cur_row_lock area",
188 ("Innodb_row_lock_current_waits", "current_waits absolute 1 1"),
191 "'' 'mysql InnoDB Row Operations' 'operations/s' innodb mysql.innodb_rows area",
193 ("Innodb_rows_inserted", "read incremental 1 1"),
194 ("Innodb_rows_read", "deleted incremental -1 1"),
195 ("Innodb_rows_updated", "inserted incremental 1 1"),
196 ("Innodb_rows_deleted", "updated incremental -1 1"),
198 'innodb_buffer_pool_pages' : (
199 "'' 'mysql InnoDB Buffer Pool Pages' 'pages' innodb mysql.innodb_buffer_pool_pages line",
201 ("Innodb_buffer_pool_pages_data", "data absolute 1 1"),
202 ("Innodb_buffer_pool_pages_dirty", "dirty absolute -1 1"),
203 ("Innodb_buffer_pool_pages_free", "free absolute 1 1"),
204 ("Innodb_buffer_pool_pages_flushed", "flushed incremental -1 1"),
205 ("Innodb_buffer_pool_pages_misc", "misc absolute -1 1"),
206 ("Innodb_buffer_pool_pages_total", "total absolute 1 1"),
208 'innodb_buffer_pool_bytes' : (
209 "'' 'mysql InnoDB Buffer Pool Bytes' 'MB' innodb mysql.innodb_buffer_pool_bytes area",
211 ("Innodb_buffer_pool_bytes_data", "data absolute 1"),
212 ("Innodb_buffer_pool_bytes_dirty", "dirty absolute -1"),
214 'innodb_buffer_pool_read_ahead' : (
215 "'' 'mysql InnoDB Buffer Pool Read Ahead' 'operations/s' innodb mysql.innodb_buffer_pool_read_ahead area",
217 ("Innodb_buffer_pool_read_ahead", "all incremental 1 1"),
218 ("Innodb_buffer_pool_read_ahead_evicted", "evicted incremental -1 1"),
219 ("Innodb_buffer_pool_read_ahead_rnd", "random incremental 1 1"),
221 'innodb_buffer_pool_reqs' : (
222 "'' 'mysql InnoDB Buffer Pool Requests' 'requests/s' innodb mysql.innodb_buffer_pool_reqs area",
224 ("Innodb_buffer_pool_read_requests", "reads incremental 1 1"),
225 ("Innodb_buffer_pool_write_requests", "writes incremental -1 1"),
227 'innodb_buffer_pool_ops' : (
228 "'' 'mysql InnoDB Buffer Pool Operations' 'operations/s' innodb mysql.innodb_buffer_pool_ops area",
230 ("Innodb_buffer_pool_reads", "'disk reads' incremental 1 1"),
231 ("Innodb_buffer_pool_wait_free", "'wait free' incremental -1 1"),
234 "'' 'mysql QCache Operations' 'queries/s' qcache mysql.qcache_ops line",
236 ("Qcache_hits", "hits incremental 1 1"),
237 ("Qcache_lowmem_prunes", "'lowmem prunes' incremental -1 1"),
238 ("Qcache_inserts", "inserts incremental 1 1"),
239 ("Qcache_not_cached", "'not cached' incremental -1 1"),
242 "'' 'mysql QCache Queries in Cache' 'queries' qcache mysql.qcache line",
244 ("Qcache_queries_in_cache", "queries absolute 1 1"),
247 "'' 'mysql QCache Free Memory' 'MB' qcache mysql.qcache_freemem area",
249 ("Qcache_free_memory", "free absolute 1"),
251 'qcache_memblocks' : (
252 "'' 'mysql QCache Memory Blocks' 'blocks' qcache mysql.qcache_memblocks line",
254 ("Qcache_free_blocks", "free absolute 1"),
255 ("Qcache_total_blocks", "total absolute 1 1"),
258 "'' 'mysql MyISAM Key Cache Blocks' 'blocks' myisam mysql.key_blocks line",
260 ("Key_blocks_unused", "unused absolute 1 1"),
261 ("Key_blocks_used", "used absolute -1 1"),
262 ("Key_blocks_not_flushed", "'not flushed' absolute 1 1"),
265 "'' 'mysql MyISAM Key Cache Requests' 'requests/s' myisam mysql.key_requests area",
267 ("Key_read_requests", "reads incremental 1 1"),
268 ("Key_write_requests", "writes incremental -1 1"),
271 "'' 'mysql MyISAM Key Cache Disk Operations' 'operations/s' myisam mysql.key_disk_ops area",
273 ("Key_reads", "reads incremental 1 1"),
274 ("Key_writes", "writes incremental -1 1"),
277 "'' 'mysql Open Files' 'files' files mysql.files line",
279 ("Open_files", "files absolute 1 1"),
282 "'' 'mysql Opened Files Rate' 'files/s' files mysql.files_rate line",
284 ("Opened_files", "files incremental 1 1"),
286 'binlog_stmt_cache' : (
287 "'' 'mysql Binlog Statement Cache' 'statements/s' binlog mysql.binlog_stmt_cache line",
289 ("Binlog_stmt_cache_disk_use", "disk incremental 1 1"),
290 ("Binlog_stmt_cache_use", "all incremental 1 1"),
292 'connection_errors' : (
293 "'' 'mysql Connection Errors' 'connections/s' connections mysql.connection_errors line",
295 ("Connection_errors_accept", "accept incremental 1 1"),
296 ("Connection_errors_internal", "internal incremental 1 1"),
297 ("Connection_errors_max_connections", "max incremental 1 1"),
298 ("Connection_errors_peer_address", "peer_addr incremental 1 1"),
299 ("Connection_errors_select", "select incremental 1 1"),
300 ("Connection_errors_tcpwrap", "tcpwrap incremental 1 1")
307 def get_data(config):
310 cnx = connections[config['name']]
312 cnx = pymysql.connect(user=config['user'],
313 password=config['password'],
314 unix_socket=config['socket'],
317 connect_timeout=int(update_every))
318 connections[config['name']] = cnx
321 with cnx.cursor() as cursor:
322 cursor.execute(QUERY)
323 raw_data = cursor.fetchall()
326 del connections[config['name']]
329 return dict(raw_data)
333 # TODO what are the default credentials
335 if type(config) is str:
336 from json import loads
337 cfg = loads(config.replace("'",'"').replace('\n',' '))
339 for i in range(len(config)):
340 if 'name' not in config[i]:
341 config[i]['name'] = "mysql_srv_"+str(i)
342 if 'user' not in config[i]:
343 config[i]['user'] = 'root'
344 if 'password' not in config[i]:
345 config[i]['password'] = None
346 if 'socket' not in config[i]:
347 config[i]['socket'] = None
348 if 'host' not in config[i]:
349 config[i]['host'] = None
350 if 'port' in config[i]:
351 config[i]['port'] = int(config[i]['port'])
353 config[i]['port'] = 3306
354 if config[i]['host'] is None:
355 config[i]['port'] = None
356 if config[i]['host'] is None and config[i]['socket'] is None:
361 cnx = pymysql.connect(user=srv['user'],
362 password=srv['password'],
363 unix_socket=srv['socket'],
366 connect_timeout=int(update_every))
377 global config, mysql_def
380 for line in CHARTS[name][1]:
381 mysql_def[name].append(line[0])
387 header = "CHART mysql_" + \
388 str(srv['name']) + "." + \
390 CHARTS[name][0] + " " + \
391 str(priority + idx) + " " + \
394 # check if server has this datapoint
395 for line in CHARTS[name][1]:
397 content += "DIMENSION " + line[0] + " " + line[1] + "\n"
408 def update(interval):
414 # TODO notify user about problems with server
417 data['Thread cache misses'] = int( int(data['Threads_created']) * 10000 / int(data['Connections']))
420 for chart, dimensions in mysql_def.items():
421 header = "BEGIN mysql_" + str(srv['name']) + "." + chart + " " + str(interval) + '\n'
425 lines += "SET " + d + " = " + data[d] + '\n'
429 print(header + lines + "END")