# default module values (can be overridden per job in `config`)
# update_every = 3
priority = 90000
-retries = 7
+retries = 60
# default configuration (overridden by python.d.plugin)
# config = {
#}
# query executed on MySQL server
-QUERY = "SHOW GLOBAL STATUS"
+QUERY = "SHOW GLOBAL STATUS;"
ORDER = ['net',
'queries',
["Select_scan", "scan", "incremental"]
]},
'sort_issues': {
- 'options': [None, 'mysql Sort Issues', 'issues/s', 'issues', 'mysql.sort.issues', 'line'],
+ 'options': [None, 'mysql Sort Issues', 'issues/s', 'issues', 'mysql.sort_issues', 'line'],
'lines': [
["Sort_merge_passes", "merge_passes", "incremental"],
["Sort_range", "range", "incremental"],
'lines': [
["Innodb_log_waits", "waits", "incremental"],
["Innodb_log_write_requests", "write_requests", "incremental", -1, 1],
- ["Innodb_log_writes", "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'],
'innodb_buffer_pool_bytes': {
'options': [None, 'mysql InnoDB Buffer Pool Bytes', 'MB', 'innodb', 'mysql.innodb_buffer_pool_bytes', 'area'],
'lines': [
- ["Innodb_buffer_pool_bytes_data", "data", "absolute"],
- ["Innodb_buffer_pool_bytes_dirty", "dirty", "absolute", -1, 1]
+ ["Innodb_buffer_pool_bytes_data", "data", "absolute", 1, 1024 * 1024],
+ ["Innodb_buffer_pool_bytes_dirty", "dirty", "absolute", -1, 1024 * 1024]
]},
'innodb_buffer_pool_read_ahead': {
'options': [None, 'mysql InnoDB Buffer Pool Read Ahead', 'operations/s', 'innodb', 'mysql.innodb_buffer_pool_read_ahead', 'area'],
'qcache_freemem': {
'options': [None, 'mysql QCache Free Memory', 'MB', 'qcache', 'mysql.qcache_freemem', 'area'],
'lines': [
- ["Qcache_free_memory", "free", "absolute"]
+ ["Qcache_free_memory", "free", "absolute", 1, 1024 * 1024]
]},
'qcache_memblocks': {
'options': [None, 'mysql QCache Memory Blocks', 'blocks', 'qcache', 'mysql.qcache_memblocks', 'line'],
:param configuration: dict
:return: dict
"""
+ parameters = {}
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 'user' in configuration:
+ parameters['user'] = self.configuration['user']
+ if 'pass' in configuration:
+ parameters['passwd'] = self.configuration['pass']
if 'my.cnf' in configuration:
- self.configuration['socket'] = ''
- self.configuration['host'] = ''
- self.configuration['port'] = 0
+ parameters['read_default_file'] = self.configuration['my.cnf']
elif 'socket' in configuration:
- self.configuration['my.cnf'] = ''
- self.configuration['host'] = ''
- self.configuration['port'] = 0
+ parameters['unix_socket'] = self.configuration['socket']
elif 'host' in configuration:
- self.configuration['my.cnf'] = ''
- self.configuration['socket'] = ''
+ parameters['host'] = self.configuration['host']
if 'port' in configuration:
- self.configuration['port'] = int(configuration['port'])
- else:
- self.configuration['port'] = 3306
+ parameters['port'] = self.configuration['port']
+ self.connection_parameters = parameters
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)
+ 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
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"]))