diff options
Diffstat (limited to '')
| -rw-r--r-- | python.d/mysql.chart.py | 546 |
1 files changed, 246 insertions, 300 deletions
diff --git a/python.d/mysql.chart.py b/python.d/mysql.chart.py index 0e3a03299..abf6bf715 100644 --- a/python.d/mysql.chart.py +++ b/python.d/mysql.chart.py @@ -2,45 +2,132 @@ # 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 = 60 -# 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;" -QUERY_SLAVE = "SHOW SLAVE 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', @@ -62,431 +149,290 @@ 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'], '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", "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", 1, 1024 * 1024], - ["Innodb_buffer_pool_bytes_dirty", "dirty", "absolute", -1, 1024 * 1024] + ['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", 1, 1024 * 1024] + ['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': [ - ["slave_behind", "seconds", "absolute"] + ['Seconds_Behind_Master', '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"] + ['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.do_slave = -1 - - 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: - parameters['read_default_file'] = self.configuration['my.cnf'] - elif 'socket' in configuration: - parameters['unix_socket'] = self.configuration['socket'] - elif 'host' in configuration: - parameters['host'] = self.configuration['host'] - if 'port' in 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: - 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("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 + self.queries = dict(global_status=QUERY_GLOBAL, slave_status=QUERY_SLAVE) 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 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 + raw_data = self._get_raw_data(description=True) - except Exception as e: - self.error("cannot execute query", QUERY, ":", str(e)) - self.connection.close() - self.connection = None - return None + if not raw_data: + return None - data = dict(raw_data) + to_netdata = dict() - # 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 + 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) - # do calculations - try: - data["Thread_cache_misses"] = round(float(data["Threads_created"]) / float(data["Connections"]) * 10000) - except: - data["Thread_cache_misses"] = None + 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 |