diff options
Diffstat (limited to 'collectors/python.d.plugin/memcached/memcached.chart.py')
| -rw-r--r-- | collectors/python.d.plugin/memcached/memcached.chart.py | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/collectors/python.d.plugin/memcached/memcached.chart.py b/collectors/python.d.plugin/memcached/memcached.chart.py deleted file mode 100644 index adb9560b7..000000000 --- a/collectors/python.d.plugin/memcached/memcached.chart.py +++ /dev/null @@ -1,197 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: memcached netdata python.d module -# Author: Pawel Krupa (paulfantom) -# SPDX-License-Identifier: GPL-3.0-or-later - -from bases.FrameworkServices.SocketService import SocketService - -ORDER = [ - 'cache', - 'net', - 'connections', - 'items', - 'evicted_reclaimed', - 'get', - 'get_rate', - 'set_rate', - 'cas', - 'delete', - 'increment', - 'decrement', - 'touch', - 'touch_rate', -] - -CHARTS = { - 'cache': { - 'options': [None, 'Cache Size', 'MiB', 'cache', 'memcached.cache', 'stacked'], - 'lines': [ - ['avail', 'available', 'absolute', 1, 1 << 20], - ['used', 'used', 'absolute', 1, 1 << 20] - ] - }, - 'net': { - 'options': [None, 'Network', 'kilobits/s', 'network', 'memcached.net', 'area'], - 'lines': [ - ['bytes_read', 'in', 'incremental', 8, 1000], - ['bytes_written', 'out', 'incremental', -8, 1000], - ] - }, - 'connections': { - 'options': [None, 'Connections', 'connections/s', 'connections', 'memcached.connections', 'line'], - 'lines': [ - ['curr_connections', 'current', 'incremental'], - ['rejected_connections', 'rejected', 'incremental'], - ['total_connections', 'total', 'incremental'] - ] - }, - 'items': { - 'options': [None, 'Items', 'items', 'items', 'memcached.items', 'line'], - 'lines': [ - ['curr_items', 'current', 'absolute'], - ['total_items', 'total', 'absolute'] - ] - }, - 'evicted_reclaimed': { - 'options': [None, 'Evicted and Reclaimed Items', 'items', 'items', 'memcached.evicted_reclaimed', 'line'], - 'lines': [ - ['reclaimed', 'reclaimed', 'absolute'], - ['evictions', 'evicted', 'absolute'] - ] - }, - 'get': { - 'options': [None, 'Get Requests', 'requests', 'get ops', 'memcached.get', 'stacked'], - 'lines': [ - ['get_hits', 'hits', 'percent-of-absolute-row'], - ['get_misses', 'misses', 'percent-of-absolute-row'] - ] - }, - 'get_rate': { - 'options': [None, 'Get Request Rate', 'requests/s', 'get ops', 'memcached.get_rate', 'line'], - 'lines': [ - ['cmd_get', 'rate', 'incremental'] - ] - }, - 'set_rate': { - 'options': [None, 'Set Request Rate', 'requests/s', 'set ops', 'memcached.set_rate', 'line'], - 'lines': [ - ['cmd_set', 'rate', 'incremental'] - ] - }, - 'delete': { - 'options': [None, 'Delete Requests', 'requests', 'delete ops', 'memcached.delete', 'stacked'], - 'lines': [ - ['delete_hits', 'hits', 'percent-of-absolute-row'], - ['delete_misses', 'misses', 'percent-of-absolute-row'], - ] - }, - 'cas': { - 'options': [None, 'Check and Set Requests', 'requests', 'check and set ops', 'memcached.cas', 'stacked'], - 'lines': [ - ['cas_hits', 'hits', 'percent-of-absolute-row'], - ['cas_misses', 'misses', 'percent-of-absolute-row'], - ['cas_badval', 'bad value', 'percent-of-absolute-row'] - ] - }, - 'increment': { - 'options': [None, 'Increment Requests', 'requests', 'increment ops', 'memcached.increment', 'stacked'], - 'lines': [ - ['incr_hits', 'hits', 'percent-of-absolute-row'], - ['incr_misses', 'misses', 'percent-of-absolute-row'] - ] - }, - 'decrement': { - 'options': [None, 'Decrement Requests', 'requests', 'decrement ops', 'memcached.decrement', 'stacked'], - 'lines': [ - ['decr_hits', 'hits', 'percent-of-absolute-row'], - ['decr_misses', 'misses', 'percent-of-absolute-row'] - ] - }, - 'touch': { - 'options': [None, 'Touch Requests', 'requests', 'touch ops', 'memcached.touch', 'stacked'], - 'lines': [ - ['touch_hits', 'hits', 'percent-of-absolute-row'], - ['touch_misses', 'misses', 'percent-of-absolute-row'] - ] - }, - 'touch_rate': { - 'options': [None, 'Touch Request Rate', 'requests/s', 'touch ops', 'memcached.touch_rate', 'line'], - 'lines': [ - ['cmd_touch', 'rate', 'incremental'] - ] - } -} - - -class Service(SocketService): - def __init__(self, configuration=None, name=None): - SocketService.__init__(self, configuration=configuration, name=name) - self.order = ORDER - self.definitions = CHARTS - self.request = 'stats\r\n' - self.host = 'localhost' - self.port = 11211 - self._keep_alive = True - self.unix_socket = None - - def _get_data(self): - """ - Get data from socket - :return: dict - """ - response = self._get_raw_data() - if response is None: - # error has already been logged - return None - - if response.startswith('ERROR'): - self.error('received ERROR') - return None - - try: - parsed = response.split('\n') - except AttributeError: - self.error('response is invalid/empty') - return None - - # split the response - data = {} - for line in parsed: - if line.startswith('STAT'): - try: - t = line[5:].split(' ') - data[t[0]] = t[1] - except (IndexError, ValueError): - self.debug('invalid line received: ' + str(line)) - - if not data: - self.error("received data doesn't have any records") - return None - - # custom calculations - try: - data['avail'] = int(data['limit_maxbytes']) - int(data['bytes']) - data['used'] = int(data['bytes']) - except (KeyError, ValueError, TypeError): - pass - - return data - - def _check_raw_data(self, data): - if data.endswith('END\r\n'): - self.debug('received full response from memcached') - return True - - self.debug('waiting more data from memcached') - return False - - def check(self): - """ - Parse configuration, check if memcached is available - :return: boolean - """ - self._parse_config() - data = self._get_data() - if data is None: - return False - return True |