New upstream version 1.6.0+dfsgupstream/1.6.0+dfsg

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