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run.py
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# coding:utf-8
import threading
import datetime
import signal
import sys
import time
import redis
from flask import Flask, render_template, session, request, send_from_directory, make_response
from flask.ext.socketio import SocketIO, emit, join_room, leave_room, disconnect
from gevent import monkey
monkey.patch_all()
from config import *
app = Flask(__name__)
app.debug = True
app.config.from_object('config')
socketio = SocketIO(app)
all_thread = []
__version__ = '0.3'
class RedisInfo(threading.Thread):
"""threads for RedisInfo"""
def __init__(self, host, port, password=None):
super(RedisInfo, self).__init__()
self.host = host
self.port = port
self.password = password
self.client = redis.StrictRedis(host=self.host, port=self.port, password=self.password)
self.status = {}
self.table = []
self.table_row = []
self.commands_chart = []
self.mem_chart = []
self.cpu_chart = []
self.nowtime = datetime.datetime.now()
self.last_total_commands_processed = 0
self.last_expired_keys = 0
self.last_evicted_keys = 0
self.last_keyspace_hits = 0
self.last_keyspace_misses = 0
self.commands_per_seconds = 0
self.used_cpu_user = 0
self.used_cpu_sys = 0
self.mem_rss = 0
self.mem = 0
self.event = threading.Event()
def exec_cmd(self, *args):
try:
cmd_name = args[0].lower()
if cmd_name == 'del':
cmd_name = 'delete'
cmd_method = getattr(self.client, cmd_name)
result = cmd_method(*args[1:])
if not result:
result = 'None'
emit('result', {'data': result, 'm_type': 'info'})
except Exception as ex:
emit('result', {'data': ex.message, 'm_type': 'error'})
print '\033[93m %s \033[0m' % ex.message
def run(self):
while 1:
try:
redis_info = self.client.info()
self.nowtime = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S %Z")
# status
self.status['redis_server_ip'] = '%s:%s' % (self.host, self.port)
self.status['redis_version'] = redis_info['redis_version']
self.status['redis_mode'] = redis_info['redis_mode'] if 'redis_mode' in redis_info else ''
self.status['process_id'] = redis_info['process_id']
self.status['uptime_in_seconds'] = redis_info['uptime_in_seconds']
self.status['uptime_in_days'] = redis_info['uptime_in_days']
self.status['role'] = redis_info['role']
self.status['connected_slaves'] = redis_info['connected_slaves']
self.status['rdb_bgsave_in_progress'] = redis_info['rdb_bgsave_in_progress'] if 'rdb_bgsave_in_progress' in redis_info else ''
self.status['rdb_last_save_time'] = redis_info['rdb_last_save_time'] if 'rdb_last_save_time' in redis_info else ''
# table
self.table_row = []
# nowtime = datetime.datetime.now().strftime("%H:%M:%S")
self.table_row.append(self.nowtime)
self.used_cpu_user = redis_info['used_cpu_user']
self.used_cpu_sys = redis_info['used_cpu_sys']
self.table_row.append(self.used_cpu_user)
self.table_row.append(self.used_cpu_sys)
self.table_row.append(redis_info['connected_clients'])
self.table_row.append(redis_info['blocked_clients'])
self.mem = round(redis_info['used_memory'] / 1024 / 1024, 2)
self.table_row.append('%sM' % self.mem)
self.mem_rss = round(redis_info['used_memory_rss'] / 1024 / 1024, 2)
self.table_row.append('%sM' % self.mem_rss)
keys = sum([v['keys'] for k, v in redis_info.items() if k.startswith('db') and 'keys' in v])
self.table_row.append(keys)
if len(self.table) == 0:
self.table_row.append(0)
self.table_row.append(0)
self.table_row.append(0)
self.table_row.append(0)
self.table_row.append(0)
else:
self.commands_per_seconds = (redis_info['total_commands_processed'] - self.last_total_commands_processed) / INFO_INTERVAL
self.table_row.append(self.commands_per_seconds)
self.table_row.append((redis_info['expired_keys'] - self.last_expired_keys) / INFO_INTERVAL)
self.table_row.append((redis_info['evicted_keys'] - self.last_evicted_keys) / INFO_INTERVAL)
self.table_row.append((redis_info['keyspace_hits'] - self.last_keyspace_hits) / INFO_INTERVAL)
self.table_row.append((redis_info['keyspace_misses'] - self.last_keyspace_misses) / INFO_INTERVAL)
self.last_total_commands_processed = redis_info['total_commands_processed']
self.last_expired_keys = redis_info['expired_keys']
self.last_evicted_keys = redis_info['evicted_keys']
self.last_keyspace_hits = redis_info['keyspace_hits']
self.last_keyspace_misses = redis_info['keyspace_misses']
if redis_info['aof_enabled']:
self.table_row.append(redis_info['aof_current_size'])
else:
self.table_row.append(0)
self.table.append(self.table_row)
if len(self.table) > TABLE_MAX_ROWS:
self.table.pop(0)
table_result = list(reversed(self.table))
# commands highchart
self.commands_chart.append({'x': self.nowtime, 'y': self.commands_per_seconds})
# cpu usage (system and user)
self.cpu_chart.append({'x': self.nowtime, 'y_s': self.used_cpu_sys, 'y_u': self.used_cpu_user})
# memory usage
self.mem_chart.append({'x': self.nowtime, 'y_mem': self.mem, 'y_rss': self.mem_rss})
# Points which are showed in every chart is set to 5 now. You can change it to any amount you want.
if len(self.commands_chart) > 5:
self.commands_chart.pop(0)
if len(self.cpu_chart) > 5:
self.cpu_chart.pop(0)
if len(self.mem_chart) > 5:
self.mem_chart.pop(0)
socketio.emit('response', {
'stat' : self.status, 'table' : table_result, 'server' : '%s:%s' % (self.host, self.port),
'commands' : self.commands_chart, 'cpu' : self.cpu_chart, 'mem' : self.mem_chart
})
except Exception as ex:
print ex.message
time.sleep(INFO_INTERVAL)
def is_stop(self):
return self.event.is_set()
def stop(self):
self.event.set()
@app.route('/')
def index():
return make_response(open('templates/index.html').read())
@socketio.on('event')
def client_message(message):
servers = [':'.join(s.split(':')[:2]) for s in REDIS_SERVER]
emit('servers', {'data': servers})
@socketio.on('command_exec')
def client_command(message):
args = message['args']
args = tuple(args.split(','))
cmd = message['command']
args = (cmd,) + args
r_server = message['r_server']
cmd_threads = [t for t in all_thread if '{0}:{1}'.format(t.host, t.port) == r_server]
# print(cmd_threads)
if cmd_threads:
cmd_thread = cmd_threads[0]
cmd_thread.exec_cmd(*args)
else:
emit('result', {'data': 'I can not find the redis server'})
@socketio.on('connect')
def client_connect():
print 'connected ....'
def signal_handler(signal, frame):
for t in all_thread:
t.stop()
print '\033[93m Now all of info thread are stopped!\033[0m'
sys.exit(0)
@socketio.on('disconnect')
def client_disconnect():
print 'Client disconnected'
# start all of the redis info monitor threads
for r in REDIS_SERVER:
r_list = r.split(':')
if len(r_list) > 2:
r_info = RedisInfo(r_list[0], r_list[1], r_list[2])
else:
r_info = RedisInfo(r_list[0], r_list[1])
r_info.setDaemon(True)
r_info.start()
all_thread.append(r_info)
if __name__ == '__main__':
signal.signal(signal.SIGINT, signal_handler)
socketio.run(app, host='0.0.0.0', port=5000)