# -*- coding: utf-8 -*- # Description: MySQL netdata python.d module # Author: Pawel Krupa (paulfantom) # Author: Ilya Mashchenko (ilyam8) # SPDX-License-Identifier: GPL-3.0-or-later from bases.FrameworkServices.MySQLService import MySQLService # query executed on MySQL server QUERY_GLOBAL = 'SHOW GLOBAL STATUS;' QUERY_SLAVE = 'SHOW SLAVE STATUS;' QUERY_VARIABLES = 'SHOW GLOBAL VARIABLES LIKE \'max_connections\';' QUERY_USER_STATISTICS = 'SHOW USER_STATISTICS;' 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', 'Max_used_connections', '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', 'Innodb_deadlocks', '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', 'Com_delete', 'Com_insert', 'Com_select', 'Com_update', 'Com_replace' ] GALERA_STATS = [ 'wsrep_local_recv_queue', 'wsrep_local_send_queue', 'wsrep_received', 'wsrep_replicated', 'wsrep_received_bytes', 'wsrep_replicated_bytes', 'wsrep_local_bf_aborts', 'wsrep_local_cert_failures', 'wsrep_flow_control_paused_ns', 'wsrep_cluster_weight', 'wsrep_cluster_size', 'wsrep_cluster_status', 'wsrep_local_state', 'wsrep_open_transactions', 'wsrep_connected', 'wsrep_ready', 'wsrep_thread_count' ] def slave_seconds(value): try: return int(value) except (TypeError, ValueError): return -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) ] USER_STATISTICS = [ 'Select_commands', 'Update_commands', 'Other_commands', 'Cpu_time', 'Rows_read', 'Rows_sent', 'Rows_deleted', 'Rows_inserted', 'Rows_updated' ] VARIABLES = [ 'max_connections' ] ORDER = [ 'net', 'queries', 'queries_type', 'handlers', 'table_locks', 'join_issues', 'sort_issues', 'tmp', 'connections', 'connections_active', 'connection_errors', 'binlog_cache', 'binlog_stmt_cache', 'threads', 'threads_creation_rate', 'thread_cache_misses', 'innodb_io', 'innodb_io_ops', 'innodb_io_pending_ops', 'innodb_log', 'innodb_os_log', 'innodb_os_log_fsync_writes', 'innodb_os_log_io', 'innodb_cur_row_lock', 'innodb_deadlocks', 'innodb_rows', 'innodb_buffer_pool_pages', 'innodb_buffer_pool_flush_pages_requests', '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', 'galera_writesets', 'galera_bytes', 'galera_queue', 'galera_conflicts', 'galera_flow_control', 'galera_cluster_status', 'galera_cluster_state', 'galera_cluster_size', 'galera_cluster_weight', 'galera_connected', 'galera_ready', 'galera_open_transactions', 'galera_thread_count', 'userstats_cpu', ] CHARTS = { 'net': { 'options': [None, 'Bandwidth', 'kilobits/s', 'bandwidth', 'mysql.net', 'area'], 'lines': [ ['Bytes_received', 'in', 'incremental', 8, 1000], ['Bytes_sent', 'out', 'incremental', -8, 1000] ] }, 'queries': { 'options': [None, 'Queries', 'queries/s', 'queries', 'mysql.queries', 'line'], 'lines': [ ['Queries', 'queries', 'incremental'], ['Questions', 'questions', 'incremental'], ['Slow_queries', 'slow_queries', 'incremental'] ] }, 'queries_type': { 'options': [None, 'Query Type', 'queries/s', 'query_types', 'mysql.queries_type', 'stacked'], 'lines': [ ['Com_select', 'select', 'incremental'], ['Com_delete', 'delete', 'incremental'], ['Com_update', 'update', 'incremental'], ['Com_insert', 'insert', 'incremental'], ['Qcache_hits', 'cache_hits', 'incremental'], ['Com_replace', 'replace', 'incremental'] ] }, 'handlers': { 'options': [None, '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, '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, '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, '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, '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, 'Connections', 'connections/s', 'connections', 'mysql.connections', 'line'], 'lines': [ ['Connections', 'all', 'incremental'], ['Aborted_connects', 'aborted', 'incremental'] ] }, 'connections_active': { 'options': [None, 'Connections Active', 'connections', 'connections', 'mysql.connections_active', 'line'], 'lines': [ ['Threads_connected', 'active', 'absolute'], ['max_connections', 'limit', 'absolute'], ['Max_used_connections', 'max_active', 'absolute'] ] }, 'binlog_cache': { 'options': [None, 'Binlog Cache', 'transactions/s', 'binlog', 'mysql.binlog_cache', 'line'], 'lines': [ ['Binlog_cache_disk_use', 'disk', 'incremental'], ['Binlog_cache_use', 'all', 'incremental'] ] }, 'threads': { 'options': [None, 'Threads', 'threads', 'threads', 'mysql.threads', 'line'], 'lines': [ ['Threads_connected', 'connected', 'absolute'], ['Threads_cached', 'cached', 'absolute', -1, 1], ['Threads_running', 'running', 'absolute'], ] }, 'threads_creation_rate': { 'options': [None, 'Threads Creation Rate', 'threads/s', 'threads', 'mysql.threads_creation_rate', 'line'], 'lines': [ ['Threads_created', 'created', 'incremental'], ] }, '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, 'InnoDB I/O Bandwidth', 'KiB/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, '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, '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, '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, 'InnoDB OS Log Pending Operations', 'operations', 'innodb', 'mysql.innodb_os_log', 'line'], 'lines': [ ['Innodb_os_log_pending_fsyncs', 'fsyncs', 'absolute'], ['Innodb_os_log_pending_writes', 'writes', 'absolute', -1, 1], ] }, 'innodb_os_log_fsync_writes': { 'options': [None, 'InnoDB OS Log Operations', 'operations/s', 'innodb', 'mysql.innodb_os_log_fsyncs', 'line'], 'lines': [ ['Innodb_os_log_fsyncs', 'fsyncs', 'incremental'], ] }, 'innodb_os_log_io': { 'options': [None, 'InnoDB OS Log Bandwidth', 'KiB/s', 'innodb', 'mysql.innodb_os_log_io', 'area'], 'lines': [ ['Innodb_os_log_written', 'write', 'incremental', -1, 1024], ] }, 'innodb_cur_row_lock': { 'options': [None, 'InnoDB Current Row Locks', 'operations', 'innodb', 'mysql.innodb_cur_row_lock', 'area'], 'lines': [ ['Innodb_row_lock_current_waits', 'current_waits', 'absolute'] ] }, 'innodb_deadlocks': { 'options': [None, 'InnoDB Deadlocks', 'operations/s', 'innodb', 'mysql.innodb_deadlocks', 'area'], 'lines': [ ['Innodb_deadlocks', 'deadlocks', 'incremental'] ] }, 'innodb_rows': { 'options': [None, 'InnoDB Row Operations', 'operations/s', 'innodb', 'mysql.innodb_rows', 'area'], 'lines': [ ['Innodb_rows_inserted', 'inserted', 'incremental'], ['Innodb_rows_read', 'read', 'incremental', 1, 1], ['Innodb_rows_updated', 'updated', 'incremental', 1, 1], ['Innodb_rows_deleted', 'deleted', 'incremental', -1, 1], ] }, 'innodb_buffer_pool_pages': { 'options': [None, '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_misc', 'misc', 'absolute', -1, 1], ['Innodb_buffer_pool_pages_total', 'total', 'absolute'] ] }, 'innodb_buffer_pool_flush_pages_requests': { 'options': [None, 'InnoDB Buffer Pool Flush Pages Requests', 'requests/s', 'innodb', 'mysql.innodb_buffer_pool_pages_flushed', 'line'], 'lines': [ ['Innodb_buffer_pool_pages_flushed', 'flush pages', 'incremental'], ] }, 'innodb_buffer_pool_bytes': { 'options': [None, 'InnoDB Buffer Pool Bytes', 'MiB', '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, '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, '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, '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, 'QCache Queries in Cache', 'queries', 'qcache', 'mysql.qcache', 'line'], 'lines': [ ['Qcache_queries_in_cache', 'queries', 'absolute'] ] }, 'qcache_freemem': { 'options': [None, 'QCache Free Memory', 'MiB', 'qcache', 'mysql.qcache_freemem', 'area'], 'lines': [ ['Qcache_free_memory', 'free', 'absolute', 1, 1024 * 1024] ] }, 'qcache_memblocks': { 'options': [None, 'QCache Memory Blocks', 'blocks', 'qcache', 'mysql.qcache_memblocks', 'line'], 'lines': [ ['Qcache_free_blocks', 'free', 'absolute'], ['Qcache_total_blocks', 'total', 'absolute'] ] }, 'key_blocks': { 'options': [None, '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, '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, '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, 'Open Files', 'files', 'files', 'mysql.files', 'line'], 'lines': [ ['Open_files', 'files', 'absolute'] ] }, 'files_rate': { 'options': [None, 'Opened Files Rate', 'files/s', 'files', 'mysql.files_rate', 'line'], 'lines': [ ['Opened_files', 'files', 'incremental'] ] }, 'binlog_stmt_cache': { 'options': [None, '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, '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': [ ['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'] ] }, 'galera_writesets': { 'options': [None, 'Replicated Writesets', 'writesets/s', 'galera', 'mysql.galera_writesets', 'line'], 'lines': [ ['wsrep_received', 'rx', 'incremental'], ['wsrep_replicated', 'tx', 'incremental', -1, 1], ] }, 'galera_bytes': { 'options': [None, 'Replicated Bytes', 'KiB/s', 'galera', 'mysql.galera_bytes', 'area'], 'lines': [ ['wsrep_received_bytes', 'rx', 'incremental', 1, 1024], ['wsrep_replicated_bytes', 'tx', 'incremental', -1, 1024], ] }, 'galera_queue': { 'options': [None, 'Galera Queue', 'writesets', 'galera', 'mysql.galera_queue', 'line'], 'lines': [ ['wsrep_local_recv_queue', 'rx', 'absolute'], ['wsrep_local_send_queue', 'tx', 'absolute', -1, 1], ] }, 'galera_conflicts': { 'options': [None, 'Replication Conflicts', 'transactions', 'galera', 'mysql.galera_conflicts', 'area'], 'lines': [ ['wsrep_local_bf_aborts', 'bf_aborts', 'incremental'], ['wsrep_local_cert_failures', 'cert_fails', 'incremental', -1, 1], ] }, 'galera_flow_control': { 'options': [None, 'Flow Control', 'millisec', 'galera', 'mysql.galera_flow_control', 'area'], 'lines': [ ['wsrep_flow_control_paused_ns', 'paused', 'incremental', 1, 1000000], ] }, 'galera_cluster_status': { 'options': [None, 'Cluster Component Status', 'status', 'galera', 'mysql.galera_cluster_status', 'line'], 'lines': [ ['wsrep_cluster_status', 'status', 'absolute'], ] }, 'galera_cluster_state': { 'options': [None, 'Cluster Component State', 'state', 'galera', 'mysql.galera_cluster_state', 'line'], 'lines': [ ['wsrep_local_state', 'state', 'absolute'], ] }, 'galera_cluster_size': { 'options': [None, 'Number of Nodes in the Cluster', 'num', 'galera', 'mysql.galera_cluster_size', 'line'], 'lines': [ ['wsrep_cluster_size', 'nodes', 'absolute'], ] }, 'galera_cluster_weight': { 'options': [None, 'The Total Weight of the Current Members in the Cluster', 'weight', 'galera', 'mysql.galera_cluster_weight', 'line'], 'lines': [ ['wsrep_cluster_weight', 'weight', 'absolute'], ] }, 'galera_connected': { 'options': [None, 'Whether the Node is Connected to the Cluster', 'boolean', 'galera', 'mysql.galera_connected', 'line'], 'lines': [ ['wsrep_connected', 'connected', 'absolute'], ] }, 'galera_ready': { 'options': [None, 'Whether the Node is Ready to Accept Queries', 'boolean', 'galera', 'mysql.galera_ready', 'line'], 'lines': [ ['wsrep_ready', 'ready', 'absolute'], ] }, 'galera_open_transactions': { 'options': [None, 'Open Transactions', 'num', 'galera', 'mysql.galera_open_transactions', 'line'], 'lines': [ ['wsrep_open_transactions', 'open transactions', 'absolute'], ] }, 'galera_thread_count': { 'options': [None, 'Total Number of WSRep (applier/rollbacker) Threads', 'num', 'galera', 'mysql.galera_thread_count', 'line'], 'lines': [ ['wsrep_thread_count', 'threads', 'absolute'], ] }, 'userstats_cpu': { 'options': [None, 'Users CPU time', 'percentage', 'userstats', 'mysql.userstats_cpu', 'stacked'], 'lines': [] } } def slave_status_chart_template(channel_name): order = [ 'slave_behind_{0}'.format(channel_name), 'slave_status_{0}'.format(channel_name) ] charts = { order[0]: { 'options': [None, 'Slave Behind Seconds Channel {0}'.format(channel_name), 'seconds', 'slave', 'mysql.slave_behind', 'line'], 'lines': [ ['Seconds_Behind_Master_{0}'.format(channel_name), 'seconds', 'absolute'] ] }, order[1]: { 'options': [None, 'Slave Status Channel {0}'.format(channel_name), 'status', 'slave', 'mysql.slave_status', 'line'], 'lines': [ ['Slave_SQL_Running_{0}'.format(channel_name), 'sql_running', 'absolute'], ['Slave_IO_Running_{0}'.format(channel_name), 'io_running', 'absolute'] ] }, } return order, charts def userstats_chart_template(name): order = [ 'userstats_rows_{0}'.format(name), 'userstats_commands_{0}'.format(name) ] family = 'userstats {0}'.format(name) charts = { order[0]: { 'options': [None, 'Rows Operations', 'operations/s', family, 'mysql.userstats_rows', 'stacked'], 'lines': [ ['userstats_{0}_Rows_read'.format(name), 'read', 'incremental'], ['userstats_{0}_Rows_send'.format(name), 'send', 'incremental'], ['userstats_{0}_Rows_updated'.format(name), 'updated', 'incremental'], ['userstats_{0}_Rows_inserted'.format(name), 'inserted', 'incremental'], ['userstats_{0}_Rows_deleted'.format(name), 'deleted', 'incremental'] ] }, order[1]: { 'options': [None, 'Commands', 'commands/s', family, 'mysql.userstats_commands', 'stacked'], 'lines': [ ['userstats_{0}_Select_commands'.format(name), 'select', 'incremental'], ['userstats_{0}_Update_commands'.format(name), 'update', 'incremental'], ['userstats_{0}_Other_commands'.format(name), 'other', 'incremental'] ] } } return order, charts # https://dev.mysql.com/doc/refman/8.0/en/replication-channels.html DEFAULT_REPL_CHANNEL = '' # Write Set REPlication # https://galeracluster.com/library/documentation/galera-status-variables.html # https://www.percona.com/doc/percona-xtradb-cluster/LATEST/wsrep-status-index.html class WSRepDataConverter: unknown_value = -1 def convert(self, key, value): if key == 'wsrep_connected': return self.convert_connected(value) elif key == 'wsrep_ready': return self.convert_ready(value) elif key == 'wsrep_cluster_status': return self.convert_cluster_status(value) return value def convert_connected(self, value): # https://www.percona.com/doc/percona-xtradb-cluster/LATEST/wsrep-status-index.html#wsrep_connected if value == 'OFF': return 0 if value == 'ON': return 1 return self.unknown_value def convert_ready(self, value): # https://www.percona.com/doc/percona-xtradb-cluster/LATEST/wsrep-status-index.html#wsrep_ready if value == 'OFF': return 0 if value == 'ON': return 1 return self.unknown_value def convert_cluster_status(self, value): # https://www.percona.com/doc/percona-xtradb-cluster/LATEST/wsrep-status-index.html#wsrep_cluster_status # https://github.com/codership/wsrep-API/blob/eab2d5d5a31672c0b7d116ef1629ff18392fd7d0/wsrep_api.h # typedef enum wsrep_view_status { # WSREP_VIEW_PRIMARY, //!< primary group configuration (quorum present) # WSREP_VIEW_NON_PRIMARY, //!< non-primary group configuration (quorum lost) # WSREP_VIEW_DISCONNECTED, //!< not connected to group, retrying. # WSREP_VIEW_MAX # } wsrep_view_status_t; value = value.lower() if value == 'primary': return 0 elif value == 'non-primary': return 1 elif value == 'disconnected': return 2 return self.unknown_value wsrep_converter = WSRepDataConverter() class Service(MySQLService): def __init__(self, configuration=None, name=None): MySQLService.__init__(self, configuration=configuration, name=name) self.order = ORDER self.definitions = CHARTS self.queries = dict( global_status=QUERY_GLOBAL, slave_status=QUERY_SLAVE, variables=QUERY_VARIABLES, user_statistics=QUERY_USER_STATISTICS, ) self.repl_channels = [DEFAULT_REPL_CHANNEL] def _get_data(self): raw_data = self._get_raw_data(description=True) if not raw_data: return None data = dict() if 'global_status' in raw_data: global_status = self.get_global_status(raw_data['global_status']) if global_status: data.update(global_status) if 'slave_status' in raw_data: status = self.get_slave_status(raw_data['slave_status']) if status: data.update(status) if 'user_statistics' in raw_data: if raw_data['user_statistics'][0]: data.update(self.get_userstats(raw_data)) else: self.queries.pop('user_statistics') if 'variables' in raw_data: variables = dict(raw_data['variables'][0]) for key in VARIABLES: if key in variables: data[key] = variables[key] return data or None @staticmethod def convert_wsrep(key, value): return wsrep_converter.convert(key, value) def get_global_status(self, raw_global_status): # ( # ( # ('Aborted_clients', '18'), # ('Aborted_connects', '33'), # ('Access_denied_errors', '80'), # ('Acl_column_grants', '0'), # ('Acl_database_grants', '0'), # ('Acl_function_grants', '0'), # ('wsrep_ready', 'OFF'), # ('wsrep_rollbacker_thread_count', '0'), # ('wsrep_thread_count', '0') # ), # ( # ('Variable_name', 253, 60, 64, 64, 0, 0), # ('Value', 253, 48, 2048, 2048, 0, 0), # ) # ) rows = raw_global_status[0] if not rows: return global_status = dict(rows) data = dict() for key in GLOBAL_STATS: if key not in global_status: continue value = global_status[key] data[key] = value for key in GALERA_STATS: if key not in global_status: continue value = global_status[key] value = self.convert_wsrep(key, value) data[key] = value if 'Threads_created' in data and 'Connections' in data: data['Thread_cache_misses'] = round(int(data['Threads_created']) / float(data['Connections']) * 10000) return data def get_slave_status(self, slave_status_data): rows, description = slave_status_data[0], slave_status_data[1] description_keys = [v[0] for v in description] if not rows: return data = dict() for row in rows: slave_data = dict(zip(description_keys, row)) channel_name = slave_data.get('Channel_Name', DEFAULT_REPL_CHANNEL) if channel_name not in self.repl_channels and len(self.charts) > 0: self.add_repl_channel_charts(channel_name) self.repl_channels.append(channel_name) for key, func in SLAVE_STATS: if key not in slave_data: continue value = slave_data[key] if channel_name: key = '{0}_{1}'.format(key, channel_name) data[key] = func(value) return data def add_repl_channel_charts(self, name): self.add_new_charts(slave_status_chart_template, name) def get_userstats(self, raw_data): # ( # ( # ('netdata', 1L, 0L, 60L, 0.15842499999999984, 0.15767439999999996, 5206L, 963957L, 0L, 0L, # 61L, 0L, 0L, 0L, 0L, 0L, 62L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L), # ), # ( # ('User', 253, 7, 128, 128, 0, 0), # ('Total_connections', 3, 2, 11, 11, 0, 0), # ('Concurrent_connections', 3, 1, 11, 11, 0, 0), # ('Connected_time', 3, 2, 11, 11, 0, 0), # ('Busy_time', 5, 20, 21, 21, 31, 0), # ('Cpu_time', 5, 20, 21, 21, 31, 0), # ('Bytes_received', 8, 4, 21, 21, 0, 0), # ('Bytes_sent', 8, 6, 21, 21, 0, 0), # ('Binlog_bytes_written', 8, 1, 21, 21, 0, 0), # ('Rows_read', 8, 1, 21, 21, 0, 0), # ('Rows_sent', 8, 2, 21, 21, 0, 0), # ('Rows_deleted', 8, 1, 21, 21, 0, 0), # ('Rows_inserted', 8, 1, 21, 21, 0, 0), # ('Rows_updated', 8, 1, 21, 21, 0, 0), # ('Select_commands', 8, 2, 21, 21, 0, 0), # ('Update_commands', 8, 1, 21, 21, 0, 0), # ('Other_commands', 8, 2, 21, 21, 0, 0), # ('Commit_transactions', 8, 1, 21, 21, 0, 0), # ('Rollback_transactions', 8, 1, 21, 21, 0, 0), # ('Denied_connections', 8, 1, 21, 21, 0, 0), # ('Lost_connections', 8, 1, 21, 21, 0, 0), # ('Access_denied', 8, 1, 21, 21, 0, 0), # ('Empty_queries', 8, 2, 21, 21, 0, 0), # ('Total_ssl_connections', 8, 1, 21, 21, 0, 0), # ('Max_statement_time_exceeded', 8, 1, 21, 21, 0, 0) # ) # ) data = dict() userstats_vars = [e[0] for e in raw_data['user_statistics'][1]] for i, _ in enumerate(raw_data['user_statistics'][0]): user_name = raw_data['user_statistics'][0][i][0] userstats = dict(zip(userstats_vars, raw_data['user_statistics'][0][i])) if len(self.charts) > 0: if ('userstats_{0}_Cpu_time'.format(user_name)) not in self.charts['userstats_cpu']: self.add_userstats_dimensions(user_name) self.create_new_userstats_charts(user_name) for key in USER_STATISTICS: if key in userstats: data['userstats_{0}_{1}'.format(user_name, key)] = userstats[key] return data def add_userstats_dimensions(self, name): self.charts['userstats_cpu'].add_dimension(['userstats_{0}_Cpu_time'.format(name), name, 'incremental', 100, 1]) def create_new_userstats_charts(self, tube): self.add_new_charts(userstats_chart_template, tube) def add_new_charts(self, template, *params): order, charts = template(*params) for chart_name in order: params = [chart_name] + charts[chart_name]['options'] dimensions = charts[chart_name]['lines'] new_chart = self.charts.add_chart(params) for dimension in dimensions: new_chart.add_dimension(dimension)