-# Description: MySQL netdata python.d plugin
+# -*- coding: utf-8 -*-
+# Description: MySQL netdata python.d module
# Author: Pawel Krupa (paulfantom)
-NAME = "mysql.chart.py"
-import sys
+from base import SimpleService
+import msg
# import 3rd party library to handle MySQL communication
try:
import MySQLdb
+
# https://github.com/PyMySQL/mysqlclient-python
- sys.stderr.write(NAME + ": using MySQLdb\n")
+ msg.info("using MySQLdb")
except ImportError:
try:
import pymysql as MySQLdb
+
# https://github.com/PyMySQL/PyMySQL
- sys.stderr.write(NAME + ": using pymysql\n")
+ msg.info("using pymysql")
except ImportError:
- sys.stderr.write(NAME + ": You need to install PyMySQL module to use mysql.chart.py plugin\n")
+ msg.error("MySQLdb or PyMySQL module is needed to use mysql.chart.py plugin")
+ raise ImportError
-from base import BaseService
+# default module values (can be overridden per job in `config`)
+# update_every = 3
+priority = 90000
+retries = 60
-# default configuration (overriden by python.d.plugin)
-config = [
- {
- 'name' : 'local',
- 'user' : 'root',
- 'password' : 'a',
- 'socket' : '/var/run/mysqld/mysqld.sock',
- 'update_every' : 3,
- 'retries' : 4
- }
-]
+# default configuration (overridden by python.d.plugin)
+# config = {
+# 'local': {
+# 'user': 'root',
+# 'pass': '',
+# 'socket': '/var/run/mysqld/mysqld.sock',
+# 'update_every': update_every,
+# 'retries': retries,
+# 'priority': priority
+# }
+#}
# query executed on MySQL server
-QUERY = "SHOW GLOBAL STATUS"
-
-# charts order (can be overriden if you want less charts, or different order)
-ORDER = ['net',
- 'queries',
- 'handlers',
- 'table_locks',
- 'join_issues',
- 'sort_issues',
- 'tmp',
- 'connections',
- 'binlog_cache',
- 'threads',
- 'thread_cache_misses',
- 'innodb_io',
- 'innodb_io_ops',
- 'innodb_io_pending_ops',
- 'innodb_log',
- 'innodb_os_log',
- 'innodb_os_log_io',
- 'innodb_cur_row_lock',
- 'innodb_rows',
- 'innodb_buffer_pool_pages',
- 'innodb_buffer_pool_bytes',
- 'innodb_buffer_pool_read_ahead',
- 'innodb_buffer_pool_reqs',
- 'innodb_buffer_pool_ops',
- 'qcache_ops',
- 'qcache',
- 'qcache_freemem',
- 'qcache_memblocks',
- 'key_blocks',
- 'key_requests',
- 'key_disk_ops',
- 'files',
- 'files_rate',
- 'binlog_stmt_cache',
- 'connection_errors']
+QUERY = "SHOW GLOBAL STATUS;"
+QUERY_SLAVE = "SHOW SLAVE STATUS;"
-# charts definitions in format:
-# CHARTS = {
-# 'chart_name_in_netdata': (
-# "parameters defining chart (passed to CHART statement)",
-# [ # dimensions (lines) definitions
-# ("dimension_name", "dimension parameters (passed to DIMENSION statement)", "additional parameter (optional)")
-# ])
-# }
+ORDER = ['net',
+ 'queries',
+ 'handlers',
+ 'table_locks',
+ 'join_issues', 'sort_issues',
+ 'tmp',
+ 'connections', 'connection_errors',
+ 'binlog_cache', 'binlog_stmt_cache',
+ 'threads', 'thread_cache_misses',
+ 'innodb_io', 'innodb_io_ops', 'innodb_io_pending_ops', 'innodb_log', 'innodb_os_log', 'innodb_os_log_io',
+ 'innodb_cur_row_lock', 'innodb_rows', 'innodb_buffer_pool_pages', 'innodb_buffer_pool_bytes',
+ 'innodb_buffer_pool_read_ahead', 'innodb_buffer_pool_reqs', 'innodb_buffer_pool_ops',
+ 'qcache_ops', 'qcache', 'qcache_freemem', 'qcache_memblocks',
+ 'key_blocks', 'key_requests', 'key_disk_ops',
+ 'files', 'files_rate', 'slave_behind', 'slave_status']
CHARTS = {
- 'net' : (
- "'' 'mysql Bandwidth' 'kilobits/s' bandwidth mysql.net area",
- [
- ("Bytes_received", "in incremental 8 1024"),
- ("Bytes_sent", "out incremental -8 1024")
- ]),
- 'queries' : (
- "'' 'mysql Queries' 'queries/s' queries mysql.queries line",
- [
- ("Queries", "queries incremental 1 1"),
- ("Questions", "questions incremental 1 1"),
- ("Slow_queries", "slow_queries incremental -1 1")
- ]),
- 'handlers' : (
- "'' 'mysql Handlers' 'handlers/s' handlers mysql.handlers line",
- [
- ("Handler_commit", "commit incremental 1 1"),
- ("Handler_delete", "delete incremental 1 1"),
- ("Handler_prepare", "prepare incremental 1 1"),
- ("Handler_read_first", "read_first incremental 1 1"),
- ("Handler_read_key", "read_key incremental 1 1"),
- ("Handler_read_next", "read_next incremental 1 1"),
- ("Handler_read_prev", "read_prev incremental 1 1"),
- ("Handler_read_rnd", "read_rnd incremental 1 1"),
- ("Handler_read_rnd_next", "read_rnd_next incremental 1 1"),
- ("Handler_rollback", "rollback incremental 1 1"),
- ("Handler_savepoint", "savepoint incremental 1 1"),
- ("Handler_savepoint_rollback", "savepoint_rollback incremental 1 1"),
- ("Handler_update", "update incremental 1 1"),
- ("Handler_write", "write incremental 1 1")
- ]),
- 'table_locks' : (
- "'' 'mysql Tables Locks' 'locks/s' locks mysql.table_locks line",
- [
- ("Table_locks_immediate", "immediate incremental 1 1"),
- ("Table_locks_waited", "waited incremental -1 1")
- ]),
- 'join_issues' : (
- "'' 'mysql Select Join Issues' 'joins/s' issues mysql.join_issues line",
- [
- ("Select_full_join", "full_join incremental 1 1"),
- ("Select_full_range_join", "full_range_join incremental 1 1"),
- ("Select_range", "range incremental 1 1"),
- ("Select_range_check", "range_check incremental 1 1"),
- ("Select_scan", "scan incremental 1 1"),
- ]),
- 'sort_issues' : (
- "'' 'mysql Sort Issues' 'issues/s' issues mysql.sort.issues line",
- [
- ("Sort_merge_passes", "merge_passes incremental 1 1"),
- ("Sort_range", "range incremental 1 1"),
- ("Sort_scan", "scan incremental 1 1"),
- ]),
- 'tmp' : (
- "'' 'mysql Tmp Operations' 'counter' temporaries mysql.tmp line",
- [
- ("Created_tmp_disk_tables", "disk_tables incremental 1 1"),
- ("Created_tmp_files", "files incremental 1 1"),
- ("Created_tmp_tables", "tables incremental 1 1"),
- ]),
- 'connections' : (
- "'' 'mysql Connections' 'connections/s' connections mysql.connections line",
- [
- ("Connections", "all incremental 1 1"),
- ("Aborted_connects", "aborted incremental 1 1"),
- ]),
- 'binlog_cache' : (
- "'' 'mysql Binlog Cache' 'transactions/s' binlog mysql.binlog_cache line",
- [
- ("Binlog_cache_disk_use", "disk incremental 1 1"),
- ("Binlog_cache_use", "all incremental 1 1"),
- ]),
- 'threads' : (
- "'' 'mysql Threads' 'threads' threads mysql.threads line",
- [
- ("Threads_connected", "connected absolute 1 1"),
- ("Threads_created", "created incremental 1 1"),
- ("Threads_cached", "cached absolute -1 1"),
- ("Threads_running", "running absolute 1 1"),
- ]),
- 'thread_cache_misses' : (
- "'' 'mysql Threads Cache Misses' 'misses' threads mysql.thread_cache_misses area",
- [
- ("Thread_cache_misses", "misses misses absolute 1 100"),
- ]),
- 'innodb_io' : (
- "'' 'mysql InnoDB I/O Bandwidth' 'kilobytes/s' innodb mysql.innodb_io area",
- [
- ("Innodb_data_read", "read incremental 1 1024"),
- ("Innodb_data_written", "write incremental -1 1024"),
- ]),
- 'innodb_io_ops' : (
- "'' 'mysql InnoDB I/O Operations' 'operations/s' innodb mysql.innodb_io_ops line",
- [
- ("Innodb_data_reads", "reads incremental 1 1"),
- ("Innodb_data_writes", "writes incremental -1 1"),
- ("Innodb_data_fsyncs", "fsyncs incremental 1 1"),
- ]),
- 'innodb_io_pending_ops' : (
- "'' 'mysql InnoDB Pending I/O Operations' 'operations' innodb mysql.innodb_io_pending_ops line",
- [
- ("Innodb_data_pending_reads", "reads absolute 1 1"),
- ("Innodb_data_pending_writes", "writes absolute -1 1"),
- ("Innodb_data_pending_fsyncs", "fsyncs absolute 1 1"),
- ]),
- 'innodb_log' : (
- "'' 'mysql InnoDB Log Operations' 'operations/s' innodb mysql.innodb_log line",
- [
- ("Innodb_log_waits", "waits incremental 1 1"),
- ("Innodb_log_write_requests", "write_requests incremental -1 1"),
- ("Innodb_log_writes", "incremental -1 1"),
- ]),
- 'innodb_os_log' : (
- "'' 'mysql InnoDB OS Log Operations' 'operations' innodb mysql.innodb_os_log line",
- [
- ("Innodb_os_log_fsyncs", "fsyncs incremental 1 1"),
- ("Innodb_os_log_pending_fsyncs", "pending_fsyncs absolute 1 1"),
- ("Innodb_os_log_pending_writes", "pending_writes absolute -1 1"),
- ]),
- 'innodb_os_log_io' : (
- "'' 'mysql InnoDB OS Log Bandwidth' 'kilobytes/s' innodb mysql.innodb_os_log_io area",
- [
- ("Innodb_os_log_written", "write incremental -1 1024"),
- ]),
- 'innodb_cur_row_lock' : (
- "'' 'mysql InnoDB Current Row Locks' 'operations' innodb mysql.innodb_cur_row_lock area",
- [
- ("Innodb_row_lock_current_waits", "current_waits absolute 1 1"),
- ]),
- 'innodb_rows' : (
- "'' 'mysql InnoDB Row Operations' 'operations/s' innodb mysql.innodb_rows area",
- [
- ("Innodb_rows_inserted", "read incremental 1 1"),
- ("Innodb_rows_read", "deleted incremental -1 1"),
- ("Innodb_rows_updated", "inserted incremental 1 1"),
- ("Innodb_rows_deleted", "updated incremental -1 1"),
- ]),
- 'innodb_buffer_pool_pages' : (
- "'' 'mysql InnoDB Buffer Pool Pages' 'pages' innodb mysql.innodb_buffer_pool_pages line",
- [
- ("Innodb_buffer_pool_pages_data", "data absolute 1 1"),
- ("Innodb_buffer_pool_pages_dirty", "dirty absolute -1 1"),
- ("Innodb_buffer_pool_pages_free", "free absolute 1 1"),
- ("Innodb_buffer_pool_pages_flushed", "flushed incremental -1 1"),
- ("Innodb_buffer_pool_pages_misc", "misc absolute -1 1"),
- ("Innodb_buffer_pool_pages_total", "total absolute 1 1"),
- ]),
- 'innodb_buffer_pool_bytes' : (
- "'' 'mysql InnoDB Buffer Pool Bytes' 'MB' innodb mysql.innodb_buffer_pool_bytes area",
- [
- ("Innodb_buffer_pool_bytes_data", "data absolute 1"),
- ("Innodb_buffer_pool_bytes_dirty", "dirty absolute -1"),
- ]),
- 'innodb_buffer_pool_read_ahead' : (
- "'' 'mysql InnoDB Buffer Pool Read Ahead' 'operations/s' innodb mysql.innodb_buffer_pool_read_ahead area",
- [
- ("Innodb_buffer_pool_read_ahead", "all incremental 1 1"),
- ("Innodb_buffer_pool_read_ahead_evicted", "evicted incremental -1 1"),
- ("Innodb_buffer_pool_read_ahead_rnd", "random incremental 1 1"),
- ]),
- 'innodb_buffer_pool_reqs' : (
- "'' 'mysql InnoDB Buffer Pool Requests' 'requests/s' innodb mysql.innodb_buffer_pool_reqs area",
- [
- ("Innodb_buffer_pool_read_requests", "reads incremental 1 1"),
- ("Innodb_buffer_pool_write_requests", "writes incremental -1 1"),
- ]),
- 'innodb_buffer_pool_ops' : (
- "'' 'mysql InnoDB Buffer Pool Operations' 'operations/s' innodb mysql.innodb_buffer_pool_ops area",
- [
- ("Innodb_buffer_pool_reads", "'disk reads' incremental 1 1"),
- ("Innodb_buffer_pool_wait_free", "'wait free' incremental -1 1"),
- ]),
- 'qcache_ops' : (
- "'' 'mysql QCache Operations' 'queries/s' qcache mysql.qcache_ops line",
- [
- ("Qcache_hits", "hits incremental 1 1"),
- ("Qcache_lowmem_prunes", "'lowmem prunes' incremental -1 1"),
- ("Qcache_inserts", "inserts incremental 1 1"),
- ("Qcache_not_cached", "'not cached' incremental -1 1"),
- ]),
- 'qcache' : (
- "'' 'mysql QCache Queries in Cache' 'queries' qcache mysql.qcache line",
- [
- ("Qcache_queries_in_cache", "queries absolute 1 1"),
- ]),
- 'qcache_freemem' : (
- "'' 'mysql QCache Free Memory' 'MB' qcache mysql.qcache_freemem area",
- [
- ("Qcache_free_memory", "free absolute 1"),
- ]),
- 'qcache_memblocks' : (
- "'' 'mysql QCache Memory Blocks' 'blocks' qcache mysql.qcache_memblocks line",
- [
- ("Qcache_free_blocks", "free absolute 1"),
- ("Qcache_total_blocks", "total absolute 1 1"),
- ]),
- 'key_blocks' : (
- "'' 'mysql MyISAM Key Cache Blocks' 'blocks' myisam mysql.key_blocks line",
- [
- ("Key_blocks_unused", "unused absolute 1 1"),
- ("Key_blocks_used", "used absolute -1 1"),
- ("Key_blocks_not_flushed", "'not flushed' absolute 1 1"),
- ]),
- 'key_requests' : (
- "'' 'mysql MyISAM Key Cache Requests' 'requests/s' myisam mysql.key_requests area",
- [
- ("Key_read_requests", "reads incremental 1 1"),
- ("Key_write_requests", "writes incremental -1 1"),
- ]),
- 'key_disk_ops' : (
- "'' 'mysql MyISAM Key Cache Disk Operations' 'operations/s' myisam mysql.key_disk_ops area",
- [
- ("Key_reads", "reads incremental 1 1"),
- ("Key_writes", "writes incremental -1 1"),
- ]),
- 'files' : (
- "'' 'mysql Open Files' 'files' files mysql.files line",
- [
- ("Open_files", "files absolute 1 1"),
- ]),
- 'files_rate' : (
- "'' 'mysql Opened Files Rate' 'files/s' files mysql.files_rate line",
- [
- ("Opened_files", "files incremental 1 1"),
- ]),
- 'binlog_stmt_cache' : (
- "'' 'mysql Binlog Statement Cache' 'statements/s' binlog mysql.binlog_stmt_cache line",
- [
- ("Binlog_stmt_cache_disk_use", "disk incremental 1 1"),
- ("Binlog_stmt_cache_use", "all incremental 1 1"),
- ]),
- 'connection_errors' : (
- "'' 'mysql Connection Errors' 'connections/s' connections mysql.connection_errors line",
- [
- ("Connection_errors_accept", "accept incremental 1 1"),
- ("Connection_errors_internal", "internal incremental 1 1"),
- ("Connection_errors_max_connections", "max incremental 1 1"),
- ("Connection_errors_peer_address", "peer_addr incremental 1 1"),
- ("Connection_errors_select", "select incremental 1 1"),
- ("Connection_errors_tcpwrap", "tcpwrap incremental 1 1")
- ])
+ 'net': {
+ 'options': [None, 'mysql Bandwidth', 'kilobits/s', 'bandwidth', 'mysql.net', 'area'],
+ 'lines': [
+ ["Bytes_received", "in", "incremental", 8, 1024],
+ ["Bytes_sent", "out", "incremental", -8, 1024]
+ ]},
+ 'queries': {
+ 'options': [None, 'mysql Queries', 'queries/s', 'queries', 'mysql.queries', 'line'],
+ 'lines': [
+ ["Queries", "queries", "incremental"],
+ ["Questions", "questions", "incremental"],
+ ["Slow_queries", "slow_queries", "incremental"]
+ ]},
+ 'handlers': {
+ 'options': [None, 'mysql Handlers', 'handlers/s', 'handlers', 'mysql.handlers', 'line'],
+ 'lines': [
+ ["Handler_commit", "commit", "incremental"],
+ ["Handler_delete", "delete", "incremental"],
+ ["Handler_prepare", "prepare", "incremental"],
+ ["Handler_read_first", "read_first", "incremental"],
+ ["Handler_read_key", "read_key", "incremental"],
+ ["Handler_read_next", "read_next", "incremental"],
+ ["Handler_read_prev", "read_prev", "incremental"],
+ ["Handler_read_rnd", "read_rnd", "incremental"],
+ ["Handler_read_rnd_next", "read_rnd_next", "incremental"],
+ ["Handler_rollback", "rollback", "incremental"],
+ ["Handler_savepoint", "savepoint", "incremental"],
+ ["Handler_savepoint_rollback", "savepoint_rollback", "incremental"],
+ ["Handler_update", "update", "incremental"],
+ ["Handler_write", "write", "incremental"]
+ ]},
+ 'table_locks': {
+ 'options': [None, 'mysql Tables Locks', 'locks/s', 'locks', 'mysql.table_locks', 'line'],
+ 'lines': [
+ ["Table_locks_immediate", "immediate", "incremental"],
+ ["Table_locks_waited", "waited", "incremental", -1, 1]
+ ]},
+ 'join_issues': {
+ 'options': [None, 'mysql Select Join Issues', 'joins/s', 'issues', 'mysql.join_issues', 'line'],
+ 'lines': [
+ ["Select_full_join", "full_join", "incremental"],
+ ["Select_full_range_join", "full_range_join", "incremental"],
+ ["Select_range", "range", "incremental"],
+ ["Select_range_check", "range_check", "incremental"],
+ ["Select_scan", "scan", "incremental"]
+ ]},
+ 'sort_issues': {
+ 'options': [None, 'mysql Sort Issues', 'issues/s', 'issues', 'mysql.sort_issues', 'line'],
+ 'lines': [
+ ["Sort_merge_passes", "merge_passes", "incremental"],
+ ["Sort_range", "range", "incremental"],
+ ["Sort_scan", "scan", "incremental"]
+ ]},
+ 'tmp': {
+ 'options': [None, 'mysql Tmp Operations', 'counter', 'temporaries', 'mysql.tmp', 'line'],
+ 'lines': [
+ ["Created_tmp_disk_tables", "disk_tables", "incremental"],
+ ["Created_tmp_files", "files", "incremental"],
+ ["Created_tmp_tables", "tables", "incremental"]
+ ]},
+ 'connections': {
+ 'options': [None, 'mysql Connections', 'connections/s', 'connections', 'mysql.connections', 'line'],
+ 'lines': [
+ ["Connections", "all", "incremental"],
+ ["Aborted_connects", "aborted", "incremental"]
+ ]},
+ 'binlog_cache': {
+ 'options': [None, 'mysql Binlog Cache', 'transactions/s', 'binlog', 'mysql.binlog_cache', 'line'],
+ 'lines': [
+ ["Binlog_cache_disk_use", "disk", "incremental"],
+ ["Binlog_cache_use", "all", "incremental"]
+ ]},
+ 'threads': {
+ 'options': [None, 'mysql Threads', 'threads', 'threads', 'mysql.threads', 'line'],
+ 'lines': [
+ ["Threads_connected", "connected", "absolute"],
+ ["Threads_created", "created", "incremental"],
+ ["Threads_cached", "cached", "absolute", -1, 1],
+ ["Threads_running", "running", "absolute"],
+ ]},
+ 'thread_cache_misses': {
+ 'options': [None, 'mysql Threads Cache Misses', 'misses', 'threads', 'mysql.thread_cache_misses', 'area'],
+ 'lines': [
+ ["Thread_cache_misses", "misses", "absolute", 1, 100]
+ ]},
+ 'innodb_io': {
+ 'options': [None, 'mysql InnoDB I/O Bandwidth', 'kilobytes/s', 'innodb', 'mysql.innodb_io', 'area'],
+ 'lines': [
+ ["Innodb_data_read", "read", "incremental", 1, 1024],
+ ["Innodb_data_written", "write", "incremental", -1, 1024]
+ ]},
+ 'innodb_io_ops': {
+ 'options': [None, 'mysql InnoDB I/O Operations', 'operations/s', 'innodb', 'mysql.innodb_io_ops', 'line'],
+ 'lines': [
+ ["Innodb_data_reads", "reads", "incremental"],
+ ["Innodb_data_writes", "writes", "incremental", -1, 1],
+ ["Innodb_data_fsyncs", "fsyncs", "incremental"]
+ ]},
+ 'innodb_io_pending_ops': {
+ 'options': [None, 'mysql InnoDB Pending I/O Operations', 'operations', 'innodb', 'mysql.innodb_io_pending_ops', 'line'],
+ 'lines': [
+ ["Innodb_data_pending_reads", "reads", "absolute"],
+ ["Innodb_data_pending_writes", "writes", "absolute", -1, 1],
+ ["Innodb_data_pending_fsyncs", "fsyncs", "absolute"]
+ ]},
+ 'innodb_log': {
+ 'options': [None, 'mysql InnoDB Log Operations', 'operations/s', 'innodb', 'mysql.innodb_log', 'line'],
+ 'lines': [
+ ["Innodb_log_waits", "waits", "incremental"],
+ ["Innodb_log_write_requests", "write_requests", "incremental", -1, 1],
+ ["Innodb_log_writes", "writes", "incremental", -1, 1],
+ ]},
+ 'innodb_os_log': {
+ 'options': [None, 'mysql InnoDB OS Log Operations', 'operations', 'innodb', 'mysql.innodb_os_log', 'line'],
+ 'lines': [
+ ["Innodb_os_log_fsyncs", "fsyncs", "incremental"],
+ ["Innodb_os_log_pending_fsyncs", "pending_fsyncs", "absolute"],
+ ["Innodb_os_log_pending_writes", "pending_writes", "absolute", -1, 1],
+ ]},
+ 'innodb_os_log_io': {
+ 'options': [None, 'mysql InnoDB OS Log Bandwidth', 'kilobytes/s', 'innodb', 'mysql.innodb_os_log_io', 'area'],
+ 'lines': [
+ ["Innodb_os_log_written", "write", "incremental", -1, 1024],
+ ]},
+ 'innodb_cur_row_lock': {
+ 'options': [None, 'mysql InnoDB Current Row Locks', 'operations', 'innodb', 'mysql.innodb_cur_row_lock', 'area'],
+ 'lines': [
+ ["Innodb_row_lock_current_waits", "current_waits", "absolute"]
+ ]},
+ 'innodb_rows': {
+ 'options': [None, 'mysql InnoDB Row Operations', 'operations/s', 'innodb', 'mysql.innodb_rows', 'area'],
+ 'lines': [
+ ["Innodb_rows_inserted", "read", "incremental"],
+ ["Innodb_rows_read", "deleted", "incremental", -1, 1],
+ ["Innodb_rows_updated", "inserted", "incremental", 1, 1],
+ ["Innodb_rows_deleted", "updated", "incremental", -1, 1],
+ ]},
+ 'innodb_buffer_pool_pages': {
+ 'options': [None, 'mysql InnoDB Buffer Pool Pages', 'pages', 'innodb', 'mysql.innodb_buffer_pool_pages', 'line'],
+ 'lines': [
+ ["Innodb_buffer_pool_pages_data", "data", "absolute"],
+ ["Innodb_buffer_pool_pages_dirty", "dirty", "absolute", -1, 1],
+ ["Innodb_buffer_pool_pages_free", "free", "absolute"],
+ ["Innodb_buffer_pool_pages_flushed", "flushed", "incremental", -1, 1],
+ ["Innodb_buffer_pool_pages_misc", "misc", "absolute", -1, 1],
+ ["Innodb_buffer_pool_pages_total", "total", "absolute"]
+ ]},
+ 'innodb_buffer_pool_bytes': {
+ 'options': [None, 'mysql InnoDB Buffer Pool Bytes', 'MB', 'innodb', 'mysql.innodb_buffer_pool_bytes', 'area'],
+ 'lines': [
+ ["Innodb_buffer_pool_bytes_data", "data", "absolute", 1, 1024 * 1024],
+ ["Innodb_buffer_pool_bytes_dirty", "dirty", "absolute", -1, 1024 * 1024]
+ ]},
+ 'innodb_buffer_pool_read_ahead': {
+ 'options': [None, 'mysql InnoDB Buffer Pool Read Ahead', 'operations/s', 'innodb', 'mysql.innodb_buffer_pool_read_ahead', 'area'],
+ 'lines': [
+ ["Innodb_buffer_pool_read_ahead", "all", "incremental"],
+ ["Innodb_buffer_pool_read_ahead_evicted", "evicted", "incremental", -1, 1],
+ ["Innodb_buffer_pool_read_ahead_rnd", "random", "incremental"]
+ ]},
+ 'innodb_buffer_pool_reqs': {
+ 'options': [None, 'mysql InnoDB Buffer Pool Requests', 'requests/s', 'innodb', 'mysql.innodb_buffer_pool_reqs', 'area'],
+ 'lines': [
+ ["Innodb_buffer_pool_read_requests", "reads", "incremental"],
+ ["Innodb_buffer_pool_write_requests", "writes", "incremental", -1, 1]
+ ]},
+ 'innodb_buffer_pool_ops': {
+ 'options': [None, 'mysql InnoDB Buffer Pool Operations', 'operations/s', 'innodb', 'mysql.innodb_buffer_pool_ops', 'area'],
+ 'lines': [
+ ["Innodb_buffer_pool_reads", "disk reads", "incremental"],
+ ["Innodb_buffer_pool_wait_free", "wait free", "incremental", -1, 1]
+ ]},
+ 'qcache_ops': {
+ 'options': [None, 'mysql QCache Operations', 'queries/s', 'qcache', 'mysql.qcache_ops', 'line'],
+ 'lines': [
+ ["Qcache_hits", "hits", "incremental"],
+ ["Qcache_lowmem_prunes", "lowmem prunes", "incremental", -1, 1],
+ ["Qcache_inserts", "inserts", "incremental"],
+ ["Qcache_not_cached", "not cached", "incremental", -1, 1]
+ ]},
+ 'qcache': {
+ 'options': [None, 'mysql QCache Queries in Cache', 'queries', 'qcache', 'mysql.qcache', 'line'],
+ 'lines': [
+ ["Qcache_queries_in_cache", "queries", "absolute"]
+ ]},
+ 'qcache_freemem': {
+ 'options': [None, 'mysql QCache Free Memory', 'MB', 'qcache', 'mysql.qcache_freemem', 'area'],
+ 'lines': [
+ ["Qcache_free_memory", "free", "absolute", 1, 1024 * 1024]
+ ]},
+ 'qcache_memblocks': {
+ 'options': [None, 'mysql QCache Memory Blocks', 'blocks', 'qcache', 'mysql.qcache_memblocks', 'line'],
+ 'lines': [
+ ["Qcache_free_blocks", "free", "absolute"],
+ ["Qcache_total_blocks", "total", "absolute"]
+ ]},
+ 'key_blocks': {
+ 'options': [None, 'mysql MyISAM Key Cache Blocks', 'blocks', 'myisam', 'mysql.key_blocks', 'line'],
+ 'lines': [
+ ["Key_blocks_unused", "unused", "absolute"],
+ ["Key_blocks_used", "used", "absolute", -1, 1],
+ ["Key_blocks_not_flushed", "not flushed", "absolute"]
+ ]},
+ 'key_requests': {
+ 'options': [None, 'mysql MyISAM Key Cache Requests', 'requests/s', 'myisam', 'mysql.key_requests', 'area'],
+ 'lines': [
+ ["Key_read_requests", "reads", "incremental"],
+ ["Key_write_requests", "writes", "incremental", -1, 1]
+ ]},
+ 'key_disk_ops': {
+ 'options': [None, 'mysql MyISAM Key Cache Disk Operations', 'operations/s', 'myisam', 'mysql.key_disk_ops', 'area'],
+ 'lines': [
+ ["Key_reads", "reads", "incremental"],
+ ["Key_writes", "writes", "incremental", -1, 1]
+ ]},
+ 'files': {
+ 'options': [None, 'mysql Open Files', 'files', 'files', 'mysql.files', 'line'],
+ 'lines': [
+ ["Open_files", "files", "absolute"]
+ ]},
+ 'files_rate': {
+ 'options': [None, 'mysql Opened Files Rate', 'files/s', 'files', 'mysql.files_rate', 'line'],
+ 'lines': [
+ ["Opened_files", "files", "incremental"]
+ ]},
+ 'binlog_stmt_cache': {
+ 'options': [None, 'mysql Binlog Statement Cache', 'statements/s', 'binlog', 'mysql.binlog_stmt_cache', 'line'],
+ 'lines': [
+ ["Binlog_stmt_cache_disk_use", "disk", "incremental"],
+ ["Binlog_stmt_cache_use", "all", "incremental"]
+ ]},
+ 'connection_errors': {
+ 'options': [None, 'mysql Connection Errors', 'connections/s', 'connections', 'mysql.connection_errors', 'line'],
+ 'lines': [
+ ["Connection_errors_accept", "accept", "incremental"],
+ ["Connection_errors_internal", "internal", "incremental"],
+ ["Connection_errors_max_connections", "max", "incremental"],
+ ["Connection_errors_peer_address", "peer_addr", "incremental"],
+ ["Connection_errors_select", "select", "incremental"],
+ ["Connection_errors_tcpwrap", "tcpwrap", "incremental"]
+ ]},
+ 'slave_behind': {
+ 'options': [None, 'Slave Behind Seconds', 'seconds', 'slave', 'mysql.slave_behind', 'line'],
+ 'lines': [
+ ["slave_behind", "seconds", "absolute"]
+ ]},
+ 'slave_status': {
+ 'options': [None, 'Slave Status', 'status', 'slave', 'mysql.slave_status', 'line'],
+ 'lines': [
+ ["slave_sql", "sql_running", "absolute"],
+ ["slave_io", "io_running", "absolute"]
+ ]}
}
-class Service(BaseService):
- def __init__(self,configuration=None,update_every=3,priority=90000,retries=2):
- super().__init__(configuration,update_every,priority,retries)
- self.configuration = self._parse_config(configuration)
+class Service(SimpleService):
+ def __init__(self, configuration=None, name=None):
+ SimpleService.__init__(self, configuration=configuration, name=name)
+ self._parse_config(configuration)
+ self.order = ORDER
+ self.definitions = CHARTS
self.connection = None
- self.defs = {}
+ self.do_slave = -1
- def _parse_config(self,configuration):
- # parse configuration to collect data from mysql server
- if 'name' not in configuration:
- configuration['name'] = 'local'
- if 'user' not in configuration:
- configuration['user'] = 'root'
- if 'password' not in configuration:
- configuration['password'] = ''
+ def _parse_config(self, configuration):
+ """
+ Parse configuration to collect data from MySQL server
+ :param configuration: dict
+ :return: dict
+ """
+ parameters = {}
+ if self.name is None:
+ self.name = 'local'
+ if 'user' in configuration:
+ parameters['user'] = self.configuration['user']
+ if 'pass' in configuration:
+ parameters['passwd'] = self.configuration['pass']
if 'my.cnf' in configuration:
- configuration['socket'] = ''
- configuration['host'] = ''
- configuration['port'] = 0
+ parameters['read_default_file'] = self.configuration['my.cnf']
elif 'socket' in configuration:
- configuration['my.cnf'] = ''
- configuration['host'] = ''
- configuration['port'] = 0
+ parameters['unix_socket'] = self.configuration['socket']
elif 'host' in configuration:
- configuration['my.cnf'] = ''
- configuration['socket'] = ''
+ parameters['host'] = self.configuration['host']
if 'port' in configuration:
- configuration['port'] = int(configuration['port'])
- else:
- configuration['port'] = 3306
-
- return configuration
+ parameters['port'] = int(self.configuration['port'])
+ self.connection_parameters = parameters
def _connect(self):
+ """
+ Try to connect to MySQL server
+ """
+ try:
+ self.connection = MySQLdb.connect(connect_timeout=self.update_every, **self.connection_parameters)
+ except MySQLdb.OperationalError as e:
+ self.error("Cannot establish connection to MySQL.")
+ self.debug(str(e))
+ raise RuntimeError
+ except Exception as e:
+ self.error("problem connecting to server:", e)
+ raise RuntimeError
+
+ def _get_data_slave(self):
+ """
+ Get slave raw data from MySQL server
+ :return: dict
+ """
+ if self.connection is None:
+ try:
+ self._connect()
+ except RuntimeError:
+ return None
+
+ slave_data = None
+ slave_raw_data = None
try:
- self.connection = MySQLdb.connect(user=self.configuration['user'],
- passwd=self.configuration['password'],
- read_default_file=self.configuration['my.cnf'],
- unix_socket=self.configuration['socket'],
- host=self.configuration['host'],
- port=self.configuration['port'],
- connect_timeout=self.configuration['update_every'])
+ cursor = self.connection.cursor()
+ if cursor.execute(QUERY_SLAVE):
+ slave_raw_data = dict(list(zip([elem[0] for elem in cursor.description], cursor.fetchone())))
+
+ except MySQLdb.OperationalError as e:
+ self.debug("Reconnecting for query", QUERY_SLAVE, ":", str(e))
+ try:
+ self._connect()
+ cursor = self.connection.cursor()
+ if cursor.execute(QUERY_SLAVE):
+ slave_raw_data = dict(list(zip([elem[0] for elem in cursor.description], cursor.fetchone())))
+ except Exception as e:
+ self.error("retried, but cannot execute query", QUERY_SLAVE, ":", str(e))
+ self.connection.close()
+ self.connection = None
+ return None
+
except Exception as e:
- self.error(NAME + " has problem connecting to server:", e)
- raise RuntimeError #stop creating module, need to catch it in supervisor
-
+ self.error("cannot execute query", QUERY_SLAVE, ":", str(e))
+ self.connection.close()
+ self.connection = None
+ return None
+
+ if slave_raw_data is not None:
+ slave_data = {
+ 'slave_behind': None,
+ 'slave_sql': None,
+ 'slave_io': None
+ }
+
+ try:
+ slave_data['slave_behind'] = int(slave_raw_data.setdefault('Seconds_Behind_Master', -1))
+ except:
+ slave_data['slave_behind'] = None
+
+ try:
+ slave_data['slave_sql'] = 1 if slave_raw_data.get('Slave_SQL_Running') == 'Yes' else -1
+ except:
+ slave_data['slave_sql'] = None
+
+ try:
+ slave_data['slave_io'] = 1 if slave_raw_data.get('Slave_IO_Running') == 'Yes' else -1
+ except:
+ slave_data['slave_io'] = None
+
+ return slave_data
+
def _get_data(self):
+ """
+ Get raw data from MySQL server
+ :return: dict
+ """
if self.connection is None:
- self._connect()
+ try:
+ self._connect()
+ except RuntimeError:
+ return None
try:
- with self.connection.cursor() as cursor:
+ cursor = self.connection.cursor()
+ cursor.execute(QUERY)
+ raw_data = cursor.fetchall()
+
+ except MySQLdb.OperationalError as e:
+ self.debug("Reconnecting for query", QUERY, ":", str(e))
+ try:
+ self._connect()
+ cursor = self.connection.cursor()
cursor.execute(QUERY)
raw_data = cursor.fetchall()
+ except Exception as e:
+ self.error("retried, but cannot execute query", QUERY, ":", str(e))
+ self.connection.close()
+ self.connection = None
+ return None
+
except Exception as e:
- self.error(NAME + ": cannot execute query.", e)
+ self.error("cannot execute query", QUERY, ":", str(e))
self.connection.close()
self.connection = None
return None
-
- return dict(raw_data)
+
+ data = dict(raw_data)
+
+ # check for slave data
+ # the first time is -1 (so we do it)
+ # then it is set to 1 or 0 and we keep it like that
+ if self.do_slave != 0:
+ slave_data = self._get_data_slave()
+ if slave_data is not None:
+ data.update(slave_data)
+ if self.do_slave == -1:
+ self.do_slave = 1
+ else:
+ if self.do_slave == -1:
+ self.error("replication metrics will be disabled - please allow netdata to collect them.")
+ self.do_slave = 0
+
+ # do calculations
+ try:
+ data["Thread_cache_misses"] = round(float(data["Threads_created"]) / float(data["Connections"]) * 10000)
+ except:
+ data["Thread_cache_misses"] = None
+
+ return data
def check(self):
+ """
+ Check if service is able to connect to server
+ :return: boolean
+ """
try:
self.connection = self._connect()
return True
except RuntimeError:
self.connection = None
return False
-
- def create(self):
- for name in ORDER:
- print(name)
- self.defs[name] = []
- for line in CHARTS[name][1]:
- self.defs[name].append(line[0])
-
- idx = 0
- data = self._get_data()
- for name in ORDER:
- header = "CHART mysql_" + \
- str(self.configuration['name']) + "." + \
- name + " " + \
- CHARTS[name][0] + " " + \
- str(self.priority + idx) + " " + \
- str(self.update_every)
- content = ""
- # check if server has this datapoint
- for line in CHARTS[name][1]:
- if line[0] in data:
- content += "DIMENSION " + line[0] + " " + line[1] + "\n"
- if len(content) > 0:
- print(header)
- print(content)
- idx += 1
-
- if idx == 0:
- return False
- return True
-
- def update(self,interval):
- data = self._get_data()
- if data is None:
- return False
- try:
- data['Thread cache misses'] = int( int(data['Threads_created']) * 10000 / int(data['Connections']))
- except Exception:
- pass
- for chart, dimensions in self.defs.items():
- header = "BEGIN mysql_" + str(self.configuration['name']) + "." + chart + " " + str(interval) + '\n'
- lines = ""
- for d in dimensions:
- try:
- lines += "SET " + d + " = " + data[d] + '\n'
- except KeyError:
- pass
- if len(lines) > 0:
- print(header + lines + "END")
-
- return True
-
-if __name__ == "__main__":
- sys.path.append("./python_modules")
- my = Service(config[0])
- my.check()
- my.create()
- my.update(1)
projects / netdata.git / blobdiff