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netdata/collectors/python.d.plugin/proxysql/proxysql.chart.py

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# -*- coding: utf-8 -*-
# Description: Proxysql netdata python.d module
# Author: Ali Borhani (alibo)
# SPDX-License-Identifier: GPL-3.0+
from bases.FrameworkServices.MySQLService import MySQLService
def query(table, *params):
return 'SELECT {params} FROM {table}'.format(table=table, params=', '.join(params))
# https://github.com/sysown/proxysql/blob/master/doc/admin_tables.md#stats_mysql_global
QUERY_GLOBAL = query(
"stats_mysql_global",
"Variable_Name",
"Variable_Value"
)
# https://github.com/sysown/proxysql/blob/master/doc/admin_tables.md#stats_mysql_connection_pool
QUERY_CONNECTION_POOL = query(
"stats_mysql_connection_pool",
"hostgroup",
"srv_host",
"srv_port",
"status",
"ConnUsed",
"ConnFree",
"ConnOK",
"ConnERR",
"Queries",
"Bytes_data_sent",
"Bytes_data_recv",
"Latency_us"
)
# https://github.com/sysown/proxysql/blob/master/doc/admin_tables.md#stats_mysql_commands_counters
QUERY_COMMANDS = query(
"stats_mysql_commands_counters",
"Command",
"Total_Time_us",
"Total_cnt",
"cnt_100us",
"cnt_500us",
"cnt_1ms",
"cnt_5ms",
"cnt_10ms",
"cnt_50ms",
"cnt_100ms",
"cnt_500ms",
"cnt_1s",
"cnt_5s",
"cnt_10s",
"cnt_INFs"
)
GLOBAL_STATS = [
'client_connections_aborted',
'client_connections_connected',
'client_connections_created',
'client_connections_non_idle',
'proxysql_uptime',
'questions',
'slow_queries'
]
CONNECTION_POOL_STATS = [
'status',
'connused',
'connfree',
'connok',
'connerr',
'queries',
'bytes_data_sent',
'bytes_data_recv',
'latency_us'
]
ORDER = [
'connections',
'active_transactions',
'questions',
'pool_overall_net',
'commands_count',
'commands_duration',
'pool_status',
'pool_net',
'pool_queries',
'pool_latency',
'pool_connection_used',
'pool_connection_free',
'pool_connection_ok',
'pool_connection_error'
]
HISTOGRAM_ORDER = [
'100us',
'500us',
'1ms',
'5ms',
'10ms',
'50ms',
'100ms',
'500ms',
'1s',
'5s',
'10s',
'inf'
]
STATUS = {
"ONLINE": 1,
"SHUNNED": 2,
"OFFLINE_SOFT": 3,
"OFFLINE_HARD": 4
}
CHARTS = {
'pool_status': {
'options': [None, 'ProxySQL Backend Status', 'status', 'status', 'proxysql.pool_status', 'line'],
'lines': []
},
'pool_net': {
'options': [None, 'ProxySQL Backend Bandwidth', 'kilobits/s', 'bandwidth', 'proxysql.pool_net', 'area'],
'lines': []
},
'pool_overall_net': {
'options': [None, 'ProxySQL Backend Overall Bandwidth', 'kilobits/s', 'overall_bandwidth',
'proxysql.pool_overall_net', 'area'],
'lines': [
['bytes_data_recv', 'in', 'incremental', 8, 1000],
['bytes_data_sent', 'out', 'incremental', -8, 1000]
]
},
'questions': {
'options': [None, 'ProxySQL Frontend Questions', 'questions/s', 'questions', 'proxysql.questions', 'line'],
'lines': [
['questions', 'questions', 'incremental'],
['slow_queries', 'slow_queries', 'incremental']
]
},
'pool_queries': {
'options': [None, 'ProxySQL Backend Queries', 'queries/s', 'queries', 'proxysql.queries', 'line'],
'lines': []
},
'active_transactions': {
'options': [None, 'ProxySQL Frontend Active Transactions', 'transactions/s', 'active_transactions',
'proxysql.active_transactions', 'line'],
'lines': [
['active_transactions', 'active_transactions', 'absolute']
]
},
'pool_latency': {
'options': [None, 'ProxySQL Backend Latency', 'milliseconds', 'latency', 'proxysql.latency', 'line'],
'lines': []
},
'connections': {
'options': [None, 'ProxySQL Frontend Connections', 'connections/s', 'connections', 'proxysql.connections',
'line'],
'lines': [
['client_connections_connected', 'connected', 'absolute'],
['client_connections_created', 'created', 'incremental'],
['client_connections_aborted', 'aborted', 'incremental'],
['client_connections_non_idle', 'non_idle', 'absolute']
]
},
'pool_connection_used': {
'options': [None, 'ProxySQL Used Connections', 'connections', 'pool_connections',
'proxysql.pool_used_connections', 'line'],
'lines': []
},
'pool_connection_free': {
'options': [None, 'ProxySQL Free Connections', 'connections', 'pool_connections',
'proxysql.pool_free_connections', 'line'],
'lines': []
},
'pool_connection_ok': {
'options': [None, 'ProxySQL Established Connections', 'connections', 'pool_connections',
'proxysql.pool_ok_connections', 'line'],
'lines': []
},
'pool_connection_error': {
'options': [None, 'ProxySQL Error Connections', 'connections', 'pool_connections',
'proxysql.pool_error_connections', 'line'],
'lines': []
},
'commands_count': {
'options': [None, 'ProxySQL Commands', 'commands', 'commands', 'proxysql.commands_count', 'line'],
'lines': []
},
'commands_duration': {
'options': [None, 'ProxySQL Commands Duration', 'milliseconds', 'commands', 'proxysql.commands_duration', 'line'],
'lines': []
}
}
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,
connection_pool_status=QUERY_CONNECTION_POOL,
commands_status=QUERY_COMMANDS
)
def _get_data(self):
raw_data = self._get_raw_data(description=True)
if not raw_data:
return None
to_netdata = dict()
if 'global_status' in raw_data:
global_status = dict(raw_data['global_status'][0])
for key in global_status:
if key.lower() in GLOBAL_STATS:
to_netdata[key.lower()] = global_status[key]
if 'connection_pool_status' in raw_data:
to_netdata['bytes_data_recv'] = 0
to_netdata['bytes_data_sent'] = 0
for record in raw_data['connection_pool_status'][0]:
backend = self.generate_backend(record)
name = self.generate_backend_name(backend)
for key in backend:
if key in CONNECTION_POOL_STATS:
if key == 'status':
backend[key] = self.convert_status(backend[key])
if len(self.charts) > 0:
if (name + '_status') not in self.charts['pool_status']:
self.add_backend_dimensions(name)
to_netdata["{0}_{1}".format(name, key)] = backend[key]
if key == 'bytes_data_recv':
to_netdata['bytes_data_recv'] += int(backend[key])
if key == 'bytes_data_sent':
to_netdata['bytes_data_sent'] += int(backend[key])
if 'commands_status' in raw_data:
for record in raw_data['commands_status'][0]:
cmd = self.generate_command_stats(record)
name = cmd['name']
if len(self.charts) > 0:
if (name + '_count') not in self.charts['commands_count']:
self.add_command_dimensions(name)
self.add_histogram_chart(cmd)
to_netdata[name + '_count'] = cmd['count']
to_netdata[name + '_duration'] = cmd['duration']
for histogram in cmd['histogram']:
dimId = 'commands_histogram_{0}_{1}'.format(name, histogram)
to_netdata[dimId] = cmd['histogram'][histogram]
return to_netdata or None
def add_backend_dimensions(self, name):
self.charts['pool_status'].add_dimension([name + '_status', name, 'absolute'])
self.charts['pool_net'].add_dimension([name + '_bytes_data_recv', 'from_' + name, 'incremental', 8, 1024])
self.charts['pool_net'].add_dimension([name + '_bytes_data_sent', 'to_' + name, 'incremental', -8, 1024])
self.charts['pool_queries'].add_dimension([name + '_queries', name, 'incremental'])
self.charts['pool_latency'].add_dimension([name + '_latency_us', name, 'absolute', 1, 1000])
self.charts['pool_connection_used'].add_dimension([name + '_connused', name, 'absolute'])
self.charts['pool_connection_free'].add_dimension([name + '_connfree', name, 'absolute'])
self.charts['pool_connection_ok'].add_dimension([name + '_connok', name, 'incremental'])
self.charts['pool_connection_error'].add_dimension([name + '_connerr', name, 'incremental'])
def add_command_dimensions(self, cmd):
self.charts['commands_count'].add_dimension([cmd + '_count', cmd, 'incremental'])
self.charts['commands_duration'].add_dimension([cmd + '_duration', cmd, 'incremental', 1, 1000])
def add_histogram_chart(self, cmd):
chart = self.charts.add_chart(self.histogram_chart(cmd))
for histogram in HISTOGRAM_ORDER:
dimId = 'commands_histogram_{0}_{1}'.format(cmd['name'], histogram)
chart.add_dimension([dimId, histogram, 'incremental'])
@staticmethod
def histogram_chart(cmd):
return [
'commands_historgram_' + cmd['name'],
None,
'ProxySQL {0} Command Histogram'.format(cmd['name'].title()),
'commands',
'commands_histogram',
'proxysql.commands_histogram_' + cmd['name'],
'stacked'
]
@staticmethod
def generate_backend(data):
return {
'hostgroup': data[0],
'srv_host': data[1],
'srv_port': data[2],
'status': data[3],
'connused': data[4],
'connfree': data[5],
'connok': data[6],
'connerr': data[7],
'queries': data[8],
'bytes_data_sent': data[9],
'bytes_data_recv': data[10],
'latency_us': data[11]
}
@staticmethod
def generate_command_stats(data):
return {
'name': data[0].lower(),
'duration': data[1],
'count': data[2],
'histogram': {
'100us': data[3],
'500us': data[4],
'1ms': data[5],
'5ms': data[6],
'10ms': data[7],
'50ms': data[8],
'100ms': data[9],
'500ms': data[10],
'1s': data[11],
'5s': data[12],
'10s': data[13],
'inf': data[14]
}
}
@staticmethod
def generate_backend_name(backend):
hostgroup = backend['hostgroup'].replace(' ', '_').lower()
host = backend['srv_host'].replace('.', '_')
return "{0}_{1}_{2}".format(hostgroup, host, backend['srv_port'])
@staticmethod
def convert_status(status):
if status in STATUS:
return STATUS[status]
return -1
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