Imported Upstream version 1.3.0+dfsgupstream/1.3.0+dfsg

1 files changed, 406 insertions, 0 deletions

diff --git a/python.d/mysql.chart.py b/python.d/mysql.chart.py
new file mode 100644
index 00000000..7c3931ac
--- /dev/null
+++ b/python.d/mysql.chart.py
@@ -0,0 +1,406 @@
+# -*- coding: utf-8 -*-
+# 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
+
+# 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;"
+
+ORDER = ['net',
+         'queries',
+         'handlers',
+         'table_locks',
+         'join_issues', 'sort_issues',
+         'tmp',
+         'connections', 'connection_errors',
+         'binlog_cache', 'binlog_stmt_cache',
+         'threads', 'thread_cache_misses',
+         'innodb_io', 'innodb_io_ops', 'innodb_io_pending_ops', 'innodb_log', 'innodb_os_log', 'innodb_os_log_io',
+         'innodb_cur_row_lock', 'innodb_rows', 'innodb_buffer_pool_pages', 'innodb_buffer_pool_bytes',
+         'innodb_buffer_pool_read_ahead', 'innodb_buffer_pool_reqs', 'innodb_buffer_pool_ops',
+         'qcache_ops', 'qcache', 'qcache_freemem', 'qcache_memblocks',
+         'key_blocks', 'key_requests', 'key_disk_ops',
+         'files', 'files_rate']
+
+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]
+        ]},
+    'queries': {
+        'options': [None, 'mysql Queries', 'queries/s', 'queries', 'mysql.queries', 'line'],
+        'lines': [
+            ["Queries", "queries", "incremental"],
+            ["Questions", "questions", "incremental"],
+            ["Slow_queries", "slow_queries", "incremental"]
+        ]},
+    'handlers': {
+        'options': [None, 'mysql Handlers', 'handlers/s', 'handlers', 'mysql.handlers', 'line'],
+        'lines': [
+            ["Handler_commit", "commit", "incremental"],
+            ["Handler_delete", "delete", "incremental"],
+            ["Handler_prepare", "prepare", "incremental"],
+            ["Handler_read_first", "read_first", "incremental"],
+            ["Handler_read_key", "read_key", "incremental"],
+            ["Handler_read_next", "read_next", "incremental"],
+            ["Handler_read_prev", "read_prev", "incremental"],
+            ["Handler_read_rnd", "read_rnd", "incremental"],
+            ["Handler_read_rnd_next", "read_rnd_next", "incremental"],
+            ["Handler_rollback", "rollback", "incremental"],
+            ["Handler_savepoint", "savepoint", "incremental"],
+            ["Handler_savepoint_rollback", "savepoint_rollback", "incremental"],
+            ["Handler_update", "update", "incremental"],
+            ["Handler_write", "write", "incremental"]
+        ]},
+    'table_locks': {
+        'options': [None, 'mysql Tables Locks', 'locks/s', 'locks', 'mysql.table_locks', 'line'],
+        'lines': [
+            ["Table_locks_immediate", "immediate", "incremental"],
+            ["Table_locks_waited", "waited", "incremental", -1, 1]
+        ]},
+    'join_issues': {
+        'options': [None, 'mysql Select Join Issues', 'joins/s', 'issues', 'mysql.join_issues', 'line'],
+        'lines': [
+            ["Select_full_join", "full_join", "incremental"],
+            ["Select_full_range_join", "full_range_join", "incremental"],
+            ["Select_range", "range", "incremental"],
+            ["Select_range_check", "range_check", "incremental"],
+            ["Select_scan", "scan", "incremental"]
+        ]},
+    'sort_issues': {
+        'options': [None, 'mysql Sort Issues', 'issues/s', 'issues', 'mysql.sort_issues', 'line'],
+        'lines': [
+            ["Sort_merge_passes", "merge_passes", "incremental"],
+            ["Sort_range", "range", "incremental"],
+            ["Sort_scan", "scan", "incremental"]
+        ]},
+    'tmp': {
+        'options': [None, 'mysql Tmp Operations', 'counter', 'temporaries', 'mysql.tmp', 'line'],
+        'lines': [
+            ["Created_tmp_disk_tables", "disk_tables", "incremental"],
+            ["Created_tmp_files", "files", "incremental"],
+            ["Created_tmp_tables", "tables", "incremental"]
+        ]},
+    'connections': {
+        'options': [None, 'mysql Connections', 'connections/s', 'connections', 'mysql.connections', 'line'],
+        'lines': [
+            ["Connections", "all", "incremental"],
+            ["Aborted_connects", "aborted", "incremental"]
+        ]},
+    'binlog_cache': {
+        'options': [None, 'mysql Binlog Cache', 'transactions/s', 'binlog', 'mysql.binlog_cache', 'line'],
+        'lines': [
+            ["Binlog_cache_disk_use", "disk", "incremental"],
+            ["Binlog_cache_use", "all", "incremental"]
+        ]},
+    'threads': {
+        'options': [None, 'mysql Threads', 'threads', 'threads', 'mysql.threads', 'line'],
+        'lines': [
+            ["Threads_connected", "connected", "absolute"],
+            ["Threads_created", "created", "incremental"],
+            ["Threads_cached", "cached", "absolute", -1, 1],
+            ["Threads_running", "running", "absolute"],
+        ]},
+    'thread_cache_misses': {
+        'options': [None, 'mysql Threads Cache Misses', 'misses', 'threads', 'mysql.thread_cache_misses', 'area'],
+        'lines': [
+            ["Thread_cache_misses", "misses", "absolute", 1, 100]
+        ]},
+    'innodb_io': {
+        'options': [None, 'mysql InnoDB I/O Bandwidth', 'kilobytes/s', 'innodb', 'mysql.innodb_io', 'area'],
+        'lines': [
+            ["Innodb_data_read", "read", "incremental", 1, 1024],
+            ["Innodb_data_written", "write", "incremental", -1, 1024]
+        ]},
+    'innodb_io_ops': {
+        'options': [None, 'mysql InnoDB I/O Operations', 'operations/s', 'innodb', 'mysql.innodb_io_ops', 'line'],
+        'lines': [
+            ["Innodb_data_reads", "reads", "incremental"],
+            ["Innodb_data_writes", "writes", "incremental", -1, 1],
+            ["Innodb_data_fsyncs", "fsyncs", "incremental"]
+        ]},
+    'innodb_io_pending_ops': {
+        'options': [None, 'mysql InnoDB Pending I/O Operations', 'operations', 'innodb', 'mysql.innodb_io_pending_ops', 'line'],
+        'lines': [
+            ["Innodb_data_pending_reads", "reads", "absolute"],
+            ["Innodb_data_pending_writes", "writes", "absolute", -1, 1],
+            ["Innodb_data_pending_fsyncs", "fsyncs", "absolute"]
+        ]},
+    'innodb_log': {
+        'options': [None, 'mysql InnoDB Log Operations', 'operations/s', 'innodb', 'mysql.innodb_log', 'line'],
+        'lines': [
+            ["Innodb_log_waits", "waits", "incremental"],
+            ["Innodb_log_write_requests", "write_requests", "incremental", -1, 1],
+            ["Innodb_log_writes", "writes", "incremental", -1, 1],
+        ]},
+    'innodb_os_log': {
+        'options': [None, 'mysql InnoDB OS Log Operations', 'operations', 'innodb', 'mysql.innodb_os_log', 'line'],
+        'lines': [
+            ["Innodb_os_log_fsyncs", "fsyncs", "incremental"],
+            ["Innodb_os_log_pending_fsyncs", "pending_fsyncs", "absolute"],
+            ["Innodb_os_log_pending_writes", "pending_writes", "absolute", -1, 1],
+        ]},
+    'innodb_os_log_io': {
+        'options': [None, 'mysql InnoDB OS Log Bandwidth', 'kilobytes/s', 'innodb', 'mysql.innodb_os_log_io', 'area'],
+        'lines': [
+            ["Innodb_os_log_written", "write", "incremental", -1, 1024],
+        ]},
+    'innodb_cur_row_lock': {
+        'options': [None, 'mysql InnoDB Current Row Locks', 'operations', 'innodb', 'mysql.innodb_cur_row_lock', 'area'],
+        'lines': [
+            ["Innodb_row_lock_current_waits", "current_waits", "absolute"]
+        ]},
+    'innodb_rows': {
+        'options': [None, 'mysql InnoDB Row Operations', 'operations/s', 'innodb', 'mysql.innodb_rows', 'area'],
+        'lines': [
+            ["Innodb_rows_inserted", "read", "incremental"],
+            ["Innodb_rows_read", "deleted", "incremental", -1, 1],
+            ["Innodb_rows_updated", "inserted", "incremental", 1, 1],
+            ["Innodb_rows_deleted", "updated", "incremental", -1, 1],
+        ]},
+    'innodb_buffer_pool_pages': {
+        'options': [None, 'mysql InnoDB Buffer Pool Pages', 'pages', 'innodb', 'mysql.innodb_buffer_pool_pages', 'line'],
+        'lines': [
+            ["Innodb_buffer_pool_pages_data", "data", "absolute"],
+            ["Innodb_buffer_pool_pages_dirty", "dirty", "absolute", -1, 1],
+            ["Innodb_buffer_pool_pages_free", "free", "absolute"],
+            ["Innodb_buffer_pool_pages_flushed", "flushed", "incremental", -1, 1],
+            ["Innodb_buffer_pool_pages_misc", "misc", "absolute", -1, 1],
+            ["Innodb_buffer_pool_pages_total", "total", "absolute"]
+        ]},
+    'innodb_buffer_pool_bytes': {
+        'options': [None, 'mysql InnoDB Buffer Pool Bytes', 'MB', 'innodb', 'mysql.innodb_buffer_pool_bytes', 'area'],
+        'lines': [
+            ["Innodb_buffer_pool_bytes_data", "data", "absolute", 1, 1024 * 1024],
+            ["Innodb_buffer_pool_bytes_dirty", "dirty", "absolute", -1, 1024 * 1024]
+        ]},
+    'innodb_buffer_pool_read_ahead': {
+        'options': [None, 'mysql InnoDB Buffer Pool Read Ahead', 'operations/s', 'innodb', 'mysql.innodb_buffer_pool_read_ahead', 'area'],
+        'lines': [
+            ["Innodb_buffer_pool_read_ahead", "all", "incremental"],
+            ["Innodb_buffer_pool_read_ahead_evicted", "evicted", "incremental", -1, 1],
+            ["Innodb_buffer_pool_read_ahead_rnd", "random", "incremental"]
+        ]},
+    'innodb_buffer_pool_reqs': {
+        'options': [None, 'mysql InnoDB Buffer Pool Requests', 'requests/s', 'innodb', 'mysql.innodb_buffer_pool_reqs', 'area'],
+        'lines': [
+            ["Innodb_buffer_pool_read_requests", "reads", "incremental"],
+            ["Innodb_buffer_pool_write_requests", "writes", "incremental", -1, 1]
+        ]},
+    'innodb_buffer_pool_ops': {
+        'options': [None, 'mysql InnoDB Buffer Pool Operations', 'operations/s', 'innodb', 'mysql.innodb_buffer_pool_ops', 'area'],
+        'lines': [
+            ["Innodb_buffer_pool_reads", "disk reads", "incremental"],
+            ["Innodb_buffer_pool_wait_free", "wait free", "incremental", -1, 1]
+        ]},
+    'qcache_ops': {
+        'options': [None, 'mysql QCache Operations', 'queries/s', 'qcache', 'mysql.qcache_ops', 'line'],
+        'lines': [
+            ["Qcache_hits", "hits", "incremental"],
+            ["Qcache_lowmem_prunes", "lowmem prunes", "incremental", -1, 1],
+            ["Qcache_inserts", "inserts", "incremental"],
+            ["Qcache_not_cached", "not cached", "incremental", -1, 1]
+        ]},
+    'qcache': {
+        'options': [None, 'mysql QCache Queries in Cache', 'queries', 'qcache', 'mysql.qcache', 'line'],
+        'lines': [
+            ["Qcache_queries_in_cache", "queries", "absolute"]
+        ]},
+    'qcache_freemem': {
+        'options': [None, 'mysql QCache Free Memory', 'MB', 'qcache', 'mysql.qcache_freemem', 'area'],
+        'lines': [
+            ["Qcache_free_memory", "free", "absolute", 1, 1024 * 1024]
+        ]},
+    'qcache_memblocks': {
+        'options': [None, 'mysql QCache Memory Blocks', 'blocks', 'qcache', 'mysql.qcache_memblocks', 'line'],
+        'lines': [
+            ["Qcache_free_blocks", "free", "absolute"],
+            ["Qcache_total_blocks", "total", "absolute"]
+        ]},
+    'key_blocks': {
+        'options': [None, 'mysql MyISAM Key Cache Blocks', 'blocks', 'myisam', 'mysql.key_blocks', 'line'],
+        'lines': [
+            ["Key_blocks_unused", "unused", "absolute"],
+            ["Key_blocks_used", "used", "absolute", -1, 1],
+            ["Key_blocks_not_flushed", "not flushed", "absolute"]
+        ]},
+    'key_requests': {
+        'options': [None, 'mysql MyISAM Key Cache Requests', 'requests/s', 'myisam', 'mysql.key_requests', 'area'],
+        'lines': [
+            ["Key_read_requests", "reads", "incremental"],
+            ["Key_write_requests", "writes", "incremental", -1, 1]
+        ]},
+    'key_disk_ops': {
+        'options': [None, 'mysql MyISAM Key Cache Disk Operations', 'operations/s', 'myisam', 'mysql.key_disk_ops', 'area'],
+        'lines': [
+            ["Key_reads", "reads", "incremental"],
+            ["Key_writes", "writes", "incremental", -1, 1]
+        ]},
+    'files': {
+        'options': [None, 'mysql Open Files', 'files', 'files', 'mysql.files', 'line'],
+        'lines': [
+            ["Open_files", "files", "absolute"]
+        ]},
+    'files_rate': {
+        'options': [None, 'mysql Opened Files Rate', 'files/s', 'files', 'mysql.files_rate', 'line'],
+        'lines': [
+            ["Opened_files", "files", "incremental"]
+        ]},
+    'binlog_stmt_cache': {
+        'options': [None, 'mysql Binlog Statement Cache', 'statements/s', 'binlog', 'mysql.binlog_stmt_cache', 'line'],
+        'lines': [
+            ["Binlog_stmt_cache_disk_use", "disk", "incremental"],
+            ["Binlog_stmt_cache_use", "all", "incremental"]
+        ]},
+    'connection_errors': {
+        'options': [None, 'mysql Connection Errors', 'connections/s', 'connections', 'mysql.connection_errors', 'line'],
+        'lines': [
+            ["Connection_errors_accept", "accept", "incremental"],
+            ["Connection_errors_internal", "internal", "incremental"],
+            ["Connection_errors_max_connections", "max", "incremental"],
+            ["Connection_errors_peer_address", "peer_addr", "incremental"],
+            ["Connection_errors_select", "select", "incremental"],
+            ["Connection_errors_tcpwrap", "tcpwrap", "incremental"]
+        ]}
+
+}
+
+
+class Service(SimpleService):
+    def __init__(self, configuration=None, name=None):
+        SimpleService.__init__(self, configuration=configuration, name=name)
+        self._parse_config(configuration)
+        self.order = ORDER
+        self.definitions = CHARTS
+        self.connection = None
+
+    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 _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 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(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 due to", str(e))
+            self._connect()
+            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
+
+        return data
+
+    def check(self):
+        """
+        Check if service is able to connect to server
+        :return: boolean
+        """
+        try:
+            self.connection = self._connect()
+            return True
+        except RuntimeError:
+            self.connection = None
+            return False