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Diffstat (limited to 'python.d/memcached.chart.py')
| -rw-r--r-- | python.d/memcached.chart.py | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/python.d/memcached.chart.py b/python.d/memcached.chart.py deleted file mode 100644 index 4f7adfa2..00000000 --- a/python.d/memcached.chart.py +++ /dev/null @@ -1,183 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: memcached netdata python.d module -# Author: Pawel Krupa (paulfantom) - -from bases.FrameworkServices.SocketService import SocketService - -# default module values (can be overridden per job in `config`) -#update_every = 2 -priority = 60000 -retries = 60 - -# default job configuration (overridden by python.d.plugin) -# config = {'local': { -# 'update_every': update_every, -# 'retries': retries, -# 'priority': priority, -# 'host': 'localhost', -# 'port': 11211, -# 'unix_socket': None -# }} - -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', 'megabytes', 'cache', 'memcached.cache', 'stacked'], - 'lines': [ - ['avail', 'available', 'absolute', 1, 1048576], - ['used', 'used', 'absolute', 1, 1048576] - ]}, - 'net': { - 'options': [None, 'Network', 'kilobits/s', 'network', 'memcached.net', 'area'], - 'lines': [ - ['bytes_read', 'in', 'incremental', 8, 1024], - ['bytes_written', 'out', 'incremental', -8, 1024] - ]}, - '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, 'Items', 'items', 'items', 'memcached.evicted_reclaimed', 'line'], - 'lines': [ - ['reclaimed', 'reclaimed', 'absolute'], - ['evictions', 'evicted', 'absolute'] - ]}, - 'get': { - 'options': [None, '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, 'Rate', 'requests/s', 'get ops', 'memcached.get_rate', 'line'], - 'lines': [ - ['cmd_get', 'rate', 'incremental'] - ]}, - 'set_rate': { - 'options': [None, 'Rate', 'requests/s', 'set ops', 'memcached.set_rate', 'line'], - 'lines': [ - ['cmd_set', 'rate', 'incremental'] - ]}, - 'delete': { - 'options': [None, '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, '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, '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, '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, '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, '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.request = "stats\r\n" - self.host = "localhost" - self.port = 11211 - self._keep_alive = True - self.unix_socket = None - self.order = ORDER - self.definitions = CHARTS - - 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 |