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#-------------------------------------------------------------------
# 宝塔Linux面板
#-------------------------------------------------------------------
# Copyright (c) 2015-2099 宝塔软件(http://bt.cn) All rights reserved.
#-------------------------------------------------------------------
# Author: zouhw <zhw@bt.cn>
#-------------------------------------------------------------------
#------------------------------
# Docker模型
#------------------------------
import public
import time
import projectModel.bt_docker.dk_public as dp
class main:
__stats_tmp = dict()
__docker = None
def docker_client(self, url):
if not self.__docker:
self.__docker = dp.docker_client(url)
return self.__docker
def io_stats(self, stats, write=None):
drive_io = stats['blkio_stats']['io_service_bytes_recursive']
if drive_io:
if len(drive_io) <= 2:
try:
now = drive_io[0]['value']
self.__stats_tmp['read_total'] = now
except:
self.__stats_tmp['read_total'] = 0
try:
now = drive_io[1]['value']
self.__stats_tmp['write_total'] = now
except:
self.__stats_tmp['write_total'] = 0
else:
try:
now = drive_io[0]['value'] + drive_io[2]['value']
self.__stats_tmp['read_total'] = now
except:
self.__stats_tmp['read_total'] = 0
try:
now = drive_io[1]['value'] + drive_io[3]['value']
self.__stats_tmp['write_total'] = now
except:
self.__stats_tmp['write_total'] = 0
if write:
self.__stats_tmp['container_id'] = stats['id']
self.write_io(self.__stats_tmp)
def net_stats(self, stats, cache, write=None):
try:
net_io = stats['networks']['eth0']
net_io_old = cache['networks']['eth0']
except:
self.__stats_tmp['rx_total'] = 0
self.__stats_tmp['rx'] = 0
self.__stats_tmp['tx_total'] = 0
self.__stats_tmp['tx'] = 0
if write:
self.__stats_tmp['container_id'] = stats['id']
self.write_net(self.__stats_tmp)
return
time_now = stats["time"]
time_old = cache["time"]
try:
now = net_io["rx_bytes"]
self.__stats_tmp['rx_total'] = now
old = net_io_old["rx_bytes"]
self.__stats_tmp['rx'] = int((now - old) / (time_now - time_old))
except:
self.__stats_tmp['rx_total'] = 0
self.__stats_tmp['rx'] = 0
try:
now = net_io["tx_bytes"]
old = net_io_old["tx_bytes"]
self.__stats_tmp['tx_total'] = now
self.__stats_tmp['tx'] = int((now - old) / (time_now - time_old))
except:
self.__stats_tmp['tx_total'] = 0
self.__stats_tmp['tx'] = 0
if write:
self.__stats_tmp['container_id'] = stats['id']
self.write_net(self.__stats_tmp)
# return data
def mem_stats(self, stats, write=None):
mem = stats['memory_stats']
try:
self.__stats_tmp['limit'] = mem['limit']
self.__stats_tmp['usage_total'] = mem['usage']
if 'cache' not in mem['stats']:
mem['stats']['cache'] = 0
self.__stats_tmp['usage'] = mem['usage'] - mem['stats']['cache']
self.__stats_tmp['cache'] = mem['stats']['cache']
# data['mem_useage'] = round(mem['usage'] * 100 / data['limit'],2)
except:
# return public.get_error_info()
self.__stats_tmp['limit'] = 0
self.__stats_tmp['usage'] = 0
self.__stats_tmp['cache'] = 0
self.__stats_tmp['usage_total'] = 0
# data['mem_useage'] = 0
if write:
self.__stats_tmp['container_id'] = stats['id']
self.write_mem(self.__stats_tmp)
# return data
def cpu_stats(self, stats, write=None):
# cpu_limit = dp.sql('container').where("c_id=?",(stats['id'],)).find()
# if cpu_limit:
# cpu_limit = cpu_limit['cpu_limit']
# else:
# cpu_limit = 1
try:
cpu = stats['cpu_stats']['cpu_usage']['total_usage'] - stats[
'precpu_stats']['cpu_usage']['total_usage']
except:
cpu = 0
try:
system = stats['cpu_stats']['system_cpu_usage'] - stats[
'precpu_stats']['system_cpu_usage']
except:
system = 0
try:
self.__stats_tmp['online_cpus'] = stats['cpu_stats']['online_cpus']
except:
self.__stats_tmp['online_cpus'] = 0
if cpu > 0 and system > 0:
self.__stats_tmp['cpu_usage'] = round(
(cpu / system) * 100 * self.__stats_tmp['online_cpus'], 2)
else:
self.__stats_tmp['cpu_usage'] = 0.0
if write:
self.__stats_tmp['container_id'] = stats['id']
self.write_cpu(self.__stats_tmp)
# return data
def stats(self, args):
"""
获取某个容器的cpu，内存，网络io，磁盘io.
:param url
:param id
:param args:
:return:
"""
container = self.docker_client(args.url).containers.get(args.id)
stats = container.stats(decode=None, stream=False)
stats['time'] = time.time()
cache = public.cache_get('stats')
if not cache:
cache = stats
public.cache_set('stats', stats)
write = None
if hasattr(args, "write"):
write = args.write
self.__stats_tmp['expired'] = time.time() - (args.save_date *
86400)
stats['id'] = args.id
self.io_stats(stats, write)
self.net_stats(stats, cache, write)
self.cpu_stats(stats, write)
self.mem_stats(stats, write)
public.cache_set('stats', stats)
self.__stats_tmp['detail'] = stats
if 'dk_status' in args and args.dk_status != 'running':
self.__stats_tmp['read_total'] = 0
self.__stats_tmp['write_total'] = 0
return public.returnMsg(True, self.__stats_tmp)
def write_cpu(self, data):
pdata = {
"time": time.time(),
"cpu_usage": data['cpu_usage'],
"online_cpus": data['online_cpus'],
"container_id": data['container_id']
}
dp.sql("cpu_stats").where("time<?",
(self.__stats_tmp['expired'], )).delete()
dp.sql("cpu_stats").insert(pdata)
def write_io(self, data):
pdata = {
"time": time.time(),
"write_total": data['write_total'],
"read_total": data['read_total'],
"container_id": data['container_id']
}
dp.sql("io_stats").where("time<?",
(self.__stats_tmp['expired'], )).delete()
dp.sql("io_stats").insert(pdata)
def write_net(self, data):
pdata = {
"time": time.time(),
"tx_total": data['tx_total'],
"rx_total": data['rx_total'],
"tx": data['tx'],
"rx": data['rx'],
"container_id": data['container_id']
}
dp.sql("net_stats").where("time<?",
(self.__stats_tmp['expired'], )).delete()
dp.sql("net_stats").insert(pdata)
def write_mem(self, data):
pdata = {
"time": time.time(),
"mem_limit": data['limit'],
"cache": data['cache'],
"usage": data['usage'],
"usage_total": data['usage_total'],
"container_id": data['container_id']
}
dp.sql("mem_stats").where("time<?",
(self.__stats_tmp['expired'], )).delete()
dp.sql("mem_stats").insert(pdata)
# 获取某服务器容器总数
def get_container_count(self, args):
url = args.url
return len(self.docker_client(url).containers.list())
# 获取监控容器资源并记录每分钟 |