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-rw-r--r--python.d/redis.chart.py200
1 files changed, 0 insertions, 200 deletions
diff --git a/python.d/redis.chart.py b/python.d/redis.chart.py
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index bcfcf16a6..000000000
--- a/python.d/redis.chart.py
+++ /dev/null
@@ -1,200 +0,0 @@
-# -*- coding: utf-8 -*-
-# Description: redis netdata python.d module
-# Author: Pawel Krupa (paulfantom)
-
-from bases.FrameworkServices.SocketService import SocketService
-
-# default module values (can be overridden per job in `config`)
-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': 6379,
-# 'unix_socket': None
-# }}
-
-ORDER = ['operations', 'hit_rate', 'memory', 'keys', 'net', 'connections', 'clients', 'slaves', 'persistence',
- 'bgsave_now', 'bgsave_health']
-
-CHARTS = {
- 'operations': {
- 'options': [None, 'Redis Operations', 'operations/s', 'operations', 'redis.operations', 'line'],
- 'lines': [
- ['total_commands_processed', 'commands', 'incremental'],
- ['instantaneous_ops_per_sec', 'operations', 'absolute']
- ]},
- 'hit_rate': {
- 'options': [None, 'Redis Hit rate', 'percent', 'hits', 'redis.hit_rate', 'line'],
- 'lines': [
- ['hit_rate', 'rate', 'absolute']
- ]},
- 'memory': {
- 'options': [None, 'Redis Memory utilization', 'kilobytes', 'memory', 'redis.memory', 'line'],
- 'lines': [
- ['used_memory', 'total', 'absolute', 1, 1024],
- ['used_memory_lua', 'lua', 'absolute', 1, 1024]
- ]},
- 'net': {
- 'options': [None, 'Redis Bandwidth', 'kilobits/s', 'network', 'redis.net', 'area'],
- 'lines': [
- ['total_net_input_bytes', 'in', 'incremental', 8, 1024],
- ['total_net_output_bytes', 'out', 'incremental', -8, 1024]
- ]},
- 'keys': {
- 'options': [None, 'Redis Keys per Database', 'keys', 'keys', 'redis.keys', 'line'],
- 'lines': [
- # lines are created dynamically in `check()` method
- ]},
- 'connections': {
- 'options': [None, 'Redis Connections', 'connections/s', 'connections', 'redis.connections', 'line'],
- 'lines': [
- ['total_connections_received', 'received', 'incremental', 1],
- ['rejected_connections', 'rejected', 'incremental', -1]
- ]},
- 'clients': {
- 'options': [None, 'Redis Clients', 'clients', 'connections', 'redis.clients', 'line'],
- 'lines': [
- ['connected_clients', 'connected', 'absolute', 1],
- ['blocked_clients', 'blocked', 'absolute', -1]
- ]},
- 'slaves': {
- 'options': [None, 'Redis Slaves', 'slaves', 'replication', 'redis.slaves', 'line'],
- 'lines': [
- ['connected_slaves', 'connected', 'absolute']
- ]},
- 'persistence': {
- 'options': [None, 'Redis Persistence Changes Since Last Save', 'changes', 'persistence',
- 'redis.rdb_changes', 'line'],
- 'lines': [
- ['rdb_changes_since_last_save', 'changes', 'absolute']
- ]},
- 'bgsave_now': {
- 'options': [None, 'Duration of the RDB Save Operation', 'seconds', 'persistence',
- 'redis.bgsave_now', 'absolute'],
- 'lines': [
- ['rdb_bgsave_in_progress', 'rdb save', 'absolute']
- ]},
- 'bgsave_health': {
- 'options': [None, 'Status of the Last RDB Save Operation', 'status', 'persistence',
- 'redis.bgsave_health', 'line'],
- 'lines': [
- ['rdb_last_bgsave_status', 'rdb save', 'absolute']
- ]}
-}
-
-
-class Service(SocketService):
- def __init__(self, configuration=None, name=None):
- SocketService.__init__(self, configuration=configuration, name=name)
- self.order = ORDER
- self.definitions = CHARTS
- self._keep_alive = True
- self.chart_name = ""
- self.host = self.configuration.get('host', 'localhost')
- self.port = self.configuration.get('port', 6379)
- self.unix_socket = self.configuration.get('socket')
- password = self.configuration.get('pass', str())
- self.bgsave_time = 0
- self.requests = dict(request='INFO\r\n'.encode(),
- password=' '.join(['AUTH', password, '\r\n']).encode() if password else None)
- self.request = self.requests['request']
-
- def _get_data(self):
- """
- Get data from socket
- :return: dict
- """
- if self.requests['password']:
- self.request = self.requests['password']
- raw = self._get_raw_data().strip()
- if raw != "+OK":
- self.error("invalid password")
- return None
- self.request = self.requests['request']
- response = self._get_raw_data()
- if response is None:
- # error has already been logged
- return None
-
- try:
- parsed = response.split("\n")
- except AttributeError:
- self.error("response is invalid/empty")
- return None
-
- data = dict()
- for line in parsed:
- if len(line) < 5 or line[0] == '$' or line[0] == '#':
- continue
-
- if line.startswith('db'):
- tmp = line.split(',')[0].replace('keys=', '')
- record = tmp.split(':')
- data[record[0]] = record[1]
- continue
-
- try:
- t = line.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
-
- try:
- data['hit_rate'] = (int(data['keyspace_hits']) * 100) / (int(data['keyspace_hits'])
- + int(data['keyspace_misses']))
- except (KeyError, ZeroDivisionError, TypeError):
- data['hit_rate'] = 0
-
- if data['rdb_bgsave_in_progress'] != '0\r':
- self.bgsave_time += self.update_every
- else:
- self.bgsave_time = 0
-
- data['rdb_last_bgsave_status'] = 0 if data['rdb_last_bgsave_status'] == 'ok\r' else 1
- data['rdb_bgsave_in_progress'] = self.bgsave_time
-
- return data
-
- def _check_raw_data(self, data):
- """
- Check if all data has been gathered from socket.
- Parse first line containing message length and check against received message
- :param data: str
- :return: boolean
- """
- length = len(data)
- supposed = data.split('\n')[0][1:-1]
- offset = len(supposed) + 4 # 1 dollar sing, 1 new line character + 1 ending sequence '\r\n'
- if not supposed.isdigit():
- return True
- supposed = int(supposed)
-
- if length - offset >= supposed:
- self.debug("received full response from redis")
- return True
-
- self.debug("waiting more data from redis")
- return False
-
- def check(self):
- """
- Parse configuration, check if redis is available, and dynamically create chart lines data
- :return: boolean
- """
- data = self._get_data()
- if data is None:
- return False
-
- for name in data:
- if name.startswith('db'):
- self.definitions['keys']['lines'].append([name, None, 'absolute'])
- return True