# Description: MySQL netdata python.d module
# Author: Pawel Krupa (paulfantom)
-from base import SimpleService
-import msg
-
-# import 3rd party library to handle MySQL communication
-try:
- import MySQLdb
-
- # https://github.com/PyMySQL/mysqlclient-python
- msg.info("using MySQLdb")
-except ImportError:
- try:
- import pymysql as MySQLdb
-
- # https://github.com/PyMySQL/PyMySQL
- msg.info("using pymysql")
- except ImportError:
- msg.error("MySQLdb or PyMySQL module is needed to use mysql.chart.py plugin")
- raise ImportError
+from base import MySQLService
# default module values (can be overridden per job in `config`)
# update_every = 3
priority = 90000
-retries = 7
-
-# default configuration (overridden by python.d.plugin)
-# config = {
-# 'local': {
-# 'user': 'root',
-# 'password': '',
-# 'socket': '/var/run/mysqld/mysqld.sock',
-# 'update_every': update_every,
-# 'retries': retries,
-# 'priority': priority
-# }
-#}
+retries = 60
# query executed on MySQL server
-QUERY = "SHOW GLOBAL STATUS"
+QUERY_GLOBAL = 'SHOW GLOBAL STATUS;'
+QUERY_SLAVE = 'SHOW SLAVE STATUS;'
+
+GLOBAL_STATS = [
+ 'Bytes_received',
+ 'Bytes_sent',
+ 'Queries',
+ 'Questions',
+ 'Slow_queries',
+ 'Handler_commit',
+ 'Handler_delete',
+ 'Handler_prepare',
+ 'Handler_read_first',
+ 'Handler_read_key',
+ 'Handler_read_next',
+ 'Handler_read_prev',
+ 'Handler_read_rnd',
+ 'Handler_read_rnd_next',
+ 'Handler_rollback',
+ 'Handler_savepoint',
+ 'Handler_savepoint_rollback',
+ 'Handler_update',
+ 'Handler_write',
+ 'Table_locks_immediate',
+ 'Table_locks_waited',
+ 'Select_full_join',
+ 'Select_full_range_join',
+ 'Select_range',
+ 'Select_range_check',
+ 'Select_scan',
+ 'Sort_merge_passes',
+ 'Sort_range',
+ 'Sort_scan',
+ 'Created_tmp_disk_tables',
+ 'Created_tmp_files',
+ 'Created_tmp_tables',
+ 'Connections',
+ 'Aborted_connects',
+ 'Binlog_cache_disk_use',
+ 'Binlog_cache_use',
+ 'Threads_connected',
+ 'Threads_created',
+ 'Threads_cached',
+ 'Threads_running',
+ 'Thread_cache_misses',
+ 'Innodb_data_read',
+ 'Innodb_data_written',
+ 'Innodb_data_reads',
+ 'Innodb_data_writes',
+ 'Innodb_data_fsyncs',
+ 'Innodb_data_pending_reads',
+ 'Innodb_data_pending_writes',
+ 'Innodb_data_pending_fsyncs',
+ 'Innodb_log_waits',
+ 'Innodb_log_write_requests',
+ 'Innodb_log_writes',
+ 'Innodb_os_log_fsyncs',
+ 'Innodb_os_log_pending_fsyncs',
+ 'Innodb_os_log_pending_writes',
+ 'Innodb_os_log_written',
+ 'Innodb_row_lock_current_waits',
+ 'Innodb_rows_inserted',
+ 'Innodb_rows_read',
+ 'Innodb_rows_updated',
+ 'Innodb_rows_deleted',
+ 'Innodb_buffer_pool_pages_data',
+ 'Innodb_buffer_pool_pages_dirty',
+ 'Innodb_buffer_pool_pages_free',
+ 'Innodb_buffer_pool_pages_flushed',
+ 'Innodb_buffer_pool_pages_misc',
+ 'Innodb_buffer_pool_pages_total',
+ 'Innodb_buffer_pool_bytes_data',
+ 'Innodb_buffer_pool_bytes_dirty',
+ 'Innodb_buffer_pool_read_ahead',
+ 'Innodb_buffer_pool_read_ahead_evicted',
+ 'Innodb_buffer_pool_read_ahead_rnd',
+ 'Innodb_buffer_pool_read_requests',
+ 'Innodb_buffer_pool_write_requests',
+ 'Innodb_buffer_pool_reads',
+ 'Innodb_buffer_pool_wait_free',
+ 'Qcache_hits',
+ 'Qcache_lowmem_prunes',
+ 'Qcache_inserts',
+ 'Qcache_not_cached',
+ 'Qcache_queries_in_cache',
+ 'Qcache_free_memory',
+ 'Qcache_free_blocks',
+ 'Qcache_total_blocks',
+ 'Key_blocks_unused',
+ 'Key_blocks_used',
+ 'Key_blocks_not_flushed',
+ 'Key_read_requests',
+ 'Key_write_requests',
+ 'Key_reads',
+ 'Key_writes',
+ 'Open_files',
+ 'Opened_files',
+ 'Binlog_stmt_cache_disk_use',
+ 'Binlog_stmt_cache_use',
+ 'Connection_errors_accept',
+ 'Connection_errors_internal',
+ 'Connection_errors_max_connections',
+ 'Connection_errors_peer_address',
+ 'Connection_errors_select',
+ 'Connection_errors_tcpwrap']
+
+def slave_seconds(value):
+ return value if value else -1
+
+def slave_running(value):
+ return 1 if value == 'Yes' else -1
+
+
+SLAVE_STATS = [
+ ('Seconds_Behind_Master', slave_seconds),
+ ('Slave_SQL_Running', slave_running),
+ ('Slave_IO_Running', slave_running)
+]
ORDER = ['net',
'queries',
'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']
+ 'files', 'files_rate', 'slave_behind', 'slave_status']
CHARTS = {
'net': {
'options': [None, 'mysql Bandwidth', 'kilobits/s', 'bandwidth', 'mysql.net', 'area'],
'lines': [
- ["Bytes_received", "in", "incremental", 8, 1024],
- ["Bytes_sent", "out", "incremental", -8, 1024]
+ ['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"]
+ ['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"]
+ ['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]
+ ['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"]
+ ['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'],
+ '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"]
+ ['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"]
+ ['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"]
+ ['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"]
+ ['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"],
+ ['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]
+ ['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_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_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_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", "incremental", -1, 1],
+ ['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_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_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_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_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_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"],
- ["Innodb_buffer_pool_bytes_dirty", "dirty", "absolute", -1, 1]
+ ['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_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_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]
+ ['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_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_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"]
+ ['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"]
+ ['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_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_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]
+ ['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"]
+ ['Open_files', 'files', 'absolute']
]},
'files_rate': {
'options': [None, 'mysql Opened Files Rate', 'files/s', 'files', 'mysql.files_rate', 'line'],
'lines': [
- ["Opened_files", "files", "incremental"]
+ ['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"]
+ ['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"]
+ ['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': [
+ ['Seconds_Behind_Master', 'seconds', 'absolute']
+ ]},
+ 'slave_status': {
+ 'options': [None, 'Slave Status', 'status', 'slave', 'mysql.slave_status', 'line'],
+ 'lines': [
+ ['Slave_SQL_Running', 'sql_running', 'absolute'],
+ ['Slave_IO_Running', 'io_running', 'absolute']
]}
-
}
-class Service(SimpleService):
+class Service(MySQLService):
def __init__(self, configuration=None, name=None):
- SimpleService.__init__(self, configuration=configuration, name=name)
- self._parse_config(configuration)
+ MySQLService.__init__(self, configuration=configuration, name=name)
self.order = ORDER
self.definitions = CHARTS
- self.connection = None
+ self.queries = dict(global_status=QUERY_GLOBAL, slave_status=QUERY_SLAVE)
- def _parse_config(self, configuration):
- """
- Parse configuration to collect data from MySQL server
- :param configuration: dict
- :return: dict
- """
- if self.name is None:
- self.name = 'local'
- if 'user' not in configuration:
- self.configuration['user'] = 'root'
- if 'pass' not in configuration:
- self.configuration['pass'] = ''
- if 'my.cnf' in configuration:
- self.configuration['socket'] = ''
- self.configuration['host'] = ''
- self.configuration['port'] = 0
- elif 'socket' in configuration:
- self.configuration['my.cnf'] = ''
- self.configuration['host'] = ''
- self.configuration['port'] = 0
- elif 'host' in configuration:
- self.configuration['my.cnf'] = ''
- self.configuration['socket'] = ''
- if 'port' in configuration:
- self.configuration['port'] = int(configuration['port'])
- else:
- self.configuration['port'] = 3306
+ def _get_data(self):
- def _connect(self):
- """
- Try to connect to MySQL server
- """
- try:
- self.connection = MySQLdb.connect(user=self.configuration['user'],
- passwd=self.configuration['pass'],
- read_default_file=self.configuration['my.cnf'],
- unix_socket=self.configuration['socket'],
- host=self.configuration['host'],
- port=self.configuration['port'],
- connect_timeout=self.update_every)
- except Exception as e:
- self.error("problem connecting to server:", e)
- raise RuntimeError
+ raw_data = self._get_raw_data(description=True)
- def _get_data(self):
- """
- Get raw data from MySQL server
- :return: dict
- """
- if self.connection is None:
- try:
- self._connect()
- except RuntimeError:
- return None
- try:
- cursor = self.connection.cursor()
- cursor.execute(QUERY)
- raw_data = cursor.fetchall()
- except Exception as e:
- self.error("cannot execute query.", e)
- self.connection.close()
- self.connection = None
- return None
- data = dict(raw_data)
- try:
- data["Thread_cache_misses"] = int(data["Threads_created"] * 10000 / float(data["Connections"]))
- except:
- data["Thread_cache_misses"] = 0
+ if not raw_data:
+ return None
+
+ to_netdata = dict()
+
+ if 'global_status' in raw_data:
+ global_status = dict(raw_data['global_status'][0])
+ for key in GLOBAL_STATS:
+ if key in global_status:
+ to_netdata[key] = global_status[key]
+ if 'Threads_created' in to_netdata and 'Connections' in to_netdata:
+ to_netdata['Thread_cache_misses'] = round(int(to_netdata['Threads_created']) / float(to_netdata['Connections']) * 10000)
+
+ if 'slave_status' in raw_data:
+ if raw_data['slave_status'][0]:
+ slave_raw_data = dict(zip([e[0] for e in raw_data['slave_status'][1]], raw_data['slave_status'][0][0]))
+ for key, function in SLAVE_STATS:
+ if key in slave_raw_data:
+ to_netdata[key] = function(slave_raw_data[key])
+ else:
+ self.queries.pop('slave_status')
- return data
+ return to_netdata or None
- 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
projects / netdata.git / blobdiff