Files
RootPanel/plugin/linux/monitor.coffee
2014-07-13 19:14:10 +08:00

151 lines
4.6 KiB
CoffeeScript

child_process = require 'child_process'
fs = require 'fs'
config = require '../../config.coffee'
mAccount = require '../../core/model/account'
REDIS_KEY = 'rp:linux:resources_usage'
REDIS_OVERVIEW = 'rp:linux:overview'
ITEM_IN_RESOURCES_LIST = 3600 * 1000 / config.plugins.linux.monitor_cycle
last_plist = []
passwd_cache = {}
exports.run = ->
setInterval exports.monitoring, config.plugins.linux.monitor_cycle
exports.loadPasswd = (callback) ->
fs.readFile '/etc/passwd', (err, content) ->
content = content.toString().split '\n'
passwd_cache = {}
for line in content
if line
[username, passwd, uid] = line.split ':'
passwd_cache[uid] = username
callback()
exports.monitoring = ->
exports.loadPasswd ->
child_process.exec "ps awufx", (err, stdout, stderr) ->
plist = stdout.split('\n')[1...-1]
plist = _.reject plist, (item) ->
return item[..3] == 'root'
plist = _.map plist, (item) ->
rx = /^(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(.+)$/
result = rx.exec item
return {
user: ->
if passwd_cache[result[1]]
return passwd_cache[result[1]]
else
return result[1]
pid: result[2]
cpu_per: result[3]
mem_per: result[4]
vsz: result[5]
rss: parseInt result[6]
tty: result[7]
stat: result[8]
start: result[9]
time: do ->
[minute, second] = result[10].split ':'
return parseInt(minute) * 60 + parseInt(second)
command: result[11]
}
async.parallel [
cpu: (callback) ->
exports.monitoringCpu plist, callback
memory: (callback) ->
exports.monitoringMemory plist, callback
], (err, result) ->
app.redis.get REDIS_KEY, (err, resources_usage_list) ->
resources_usage_list = JSON.parse resources_usage_list
resources_usage_list.push result
resources_usage_list = _.last resources_usage_list, ITEM_IN_RESOURCES_LIST
account_usage = {}
addAccountUsage = (account_name, type, value) ->
account_usage[account_name] ?= {}
if account_usage[account_name][type]
account_usage[account_name][type] += value
else
account_usage[account_name][type] += value
for item in resources_usage_list
for account_name, cpu_usage of item.cpu
addAccountUsage account_name, 'cpu', cpu_usage
for account_name, memory_usage of item.memory
addAccountUsage account_name, 'memory', memory_usage
for account_name, usage of account_usage
usage.memory = usage.memory / (resources_usage_list.length * config.plugins.linux.monitor_cycle * 1000)
app.redis.setex REDIS_OVERVIEW, 60, JSON.stringify(account_usage), ->
async.each _.keys(account_usage), (account_name) ->
mAccount.byUsername account_name, (err, account) ->
if account_usage[account_name].cpu > account.attribute.resources_limit.cpu
child_process.exec "pkill -SIGKILL -u #{account_name}", ->
if account_usage[account_name].memory > account.attribute.resources_limit.memory
child_process.exec "pkill -SIGKILL -u #{account_name}", ->
callback()
, ->
app.redis.set REDIS_KEY, JSON.stringify(resources_usage_list), ->
last_plist = plist
exports.monitoringCpu = (plist, callback) ->
total_time = {}
findLastProcess = (process) ->
return _.find last_plist, (i) ->
return i.pid == process.pid and i.user == process.user and i.command == process.command
addTime = (account_name, time) ->
if total_time[account_name]
total_time[account_name] += time
else
total_time[account_name] = time
exist_process = _.filter plist, (item) ->
return findLastProcess item
new_process = _.fliter plist, (item) ->
return not findLastProcess item
for item in exist_process
last_process = findLastProcess item
addTime item.user, last_process.time - item.time
for item in new_process
addTime item.user, item.time
callback null, total_time
exports.monitoringMemory = (plist, callback) ->
total_memory = 0
addMemory = (account_name, menory) ->
if total_memory[account_name]
total_memory[account_name] += menory
else
total_memory[account_name] = menory
for item in plist
addMemory item.user, ((item.rss / 1024) * config.plugins.linux.monitor_cycle / 1000).toFixed()
callback null, total_memory