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corvo |
1.1 |
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"""
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* ApMon - Application Monitoring Tool
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corvo |
1.4 |
* Version: 2.2.2
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corvo |
1.1 |
*
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corvo |
1.3 |
* Copyright (C) 2006 California Institute of Technology
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corvo |
1.1 |
*
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* Permission is hereby granted, free of charge, to use, copy and modify
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* this software and its documentation (the "Software") for any
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* purpose, provided that existing copyright notices are retained in
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* all copies and that this notice is included verbatim in any distributions
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* or substantial portions of the Software.
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* This software is a part of the MonALISA framework (http://monalisa.cacr.caltech.edu).
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* Users of the Software are asked to feed back problems, benefits,
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* and/or suggestions about the software to the MonALISA Development Team
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* (developers@monalisa.cern.ch). Support for this software - fixing of bugs,
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* incorporation of new features - is done on a best effort basis. All bug
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* fixes and enhancements will be made available under the same terms and
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* conditions as the original software,
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* IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
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* OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF,
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* EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE IS
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* PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE NO
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* OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
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* MODIFICATIONS.
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"""
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"""
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apmon.py
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This is a python implementation for the ApMon API for sending
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data to the MonALISA service.
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For further details about ApMon please see the C/C++ or Java documentation
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You can find a sample usage of this module in apmTest.py.
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Note that the parameters must be either integers(32 bits) or doubles(64 bits).
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Sending strings is supported, but they will not be stored in the
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farm's store nor shown in the farm's window in the MonALISA client.
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"""
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import re
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import xdrlib
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import socket
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import urllib2
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import threading
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import time
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import Logger
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import ProcInfo
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| 56 |
corvo |
1.2 |
import random
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| 57 |
corvo |
1.3 |
import copy
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| 58 |
corvo |
1.1 |
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#__all__ = ["ApMon"]
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| 61 |
corvo |
1.3 |
#__debug = False # self.destPrevData[destination];set this to True to be verbose
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corvo |
1.1 |
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class ApMon:
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"""
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Main class for sending monitoring data to a MonaLisa module.
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One or more destinations can be chosen for the data. See constructor.
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The data is packed in UDP datagrams, using XDR. The following fields are sent:
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- version & password (string)
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- cluster name (string)
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- node name (string)
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- number of parameters (int)
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- for each parameter:
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- name (string)
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- value type (int)
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- value
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- optionally a (int) with the given timestamp
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Attributes (public):
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- destinations - a list containing (ip, port, password) tuples
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- configAddresses - list with files and urls from where the config is read
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- configRecheckInterval - period, in seconds, to check for changes
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in the configAddresses list
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- configRecheck - boolean - whether to recheck periodically for changes
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in the configAddresses list
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"""
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__defaultOptions = {
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'job_monitoring': True, # perform (or not) job monitoring
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'job_interval' : 10, # at this interval (in seconds)
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'job_data_sent' : 0, # time from Epoch when job information was sent; don't touch!
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'job_cpu_time' : True, # elapsed time from the start of this job in seconds
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'job_run_time' : True, # processor time spent running this job in seconds
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'job_cpu_usage' : True, # current percent of the processor used for this job, as reported by ps
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'job_virtualmem': True, # size in JB of the virtual memory occupied by the job, as reported by ps
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'job_rss' : True, # size in KB of the resident image size of the job, as reported by ps
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'job_mem_usage' : True, # percent of the memory occupied by the job, as reported by ps
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'job_workdir_size': True, # size in MB of the working directory of the job
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'job_disk_total': True, # size in MB of the total size of the disk partition containing the working directory
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'job_disk_used' : True, # size in MB of the used disk partition containing the working directory
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'job_disk_free' : True, # size in MB of the free disk partition containing the working directory
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'job_disk_usage': True, # percent of the used disk partition containing the working directory
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corvo |
1.2 |
'job_open_files': True, # number of open file descriptors
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corvo |
1.1 |
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'sys_monitoring': True, # perform (or not) system monitoring
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'sys_interval' : 10, # at this interval (in seconds)
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'sys_data_sent' : 0, # time from Epoch when system information was sent; don't touch!
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'sys_cpu_usr' : False, # cpu-usage information
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'sys_cpu_sys' : False, # all these will produce coresponding paramas without "sys_"
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'sys_cpu_nice' : False,
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'sys_cpu_idle' : False,
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'sys_cpu_usage' : True,
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'sys_load1' : True, # system load information
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'sys_load5' : True,
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'sys_load15' : True,
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'sys_mem_used' : False, # memory usage information
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'sys_mem_free' : False,
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'sys_mem_usage' : True,
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'sys_pages_in' : False,
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'sys_pages_out' : False,
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'sys_swap_used' : True, # swap usage information
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'sys_swap_free' : False,
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'sys_swap_usage': True,
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'sys_swap_in' : False,
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'sys_swap_out' : False,
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'sys_net_in' : True, # network transfer in kBps
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'sys_net_out' : True, # these will produce params called ethX_in, ethX_out, ethX_errs
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'sys_net_errs' : False, # for each eth interface
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| 131 |
corvo |
1.3 |
'sys_net_sockets' : True, # number of opened sockets for each proto => sockets_tcp/udp/unix ...
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'sys_net_tcp_details' : True, # number of tcp sockets in each state => sockets_tcp_LISTEN, ...
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corvo |
1.1 |
'sys_processes' : True,
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'sys_uptime' : True, # uptime of the machine, in days (float number)
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| 136 |
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'general_info' : True, # send (or not) general host information once every 2 $sys_interval seconds
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'general_data_sent': 0, # time from Epoch when general information was sent; don't touch!
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| 138 |
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| 139 |
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'hostname' : True,
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'ip' : True, # will produce ethX_ip params for each interface
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'cpu_MHz' : True,
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| 142 |
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'no_CPUs' : True, # number of CPUs
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| 143 |
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'total_mem' : True,
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| 144 |
corvo |
1.2 |
'total_swap' : True,
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'cpu_vendor_id' : True,
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| 146 |
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'cpu_family' : True,
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| 147 |
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'cpu_model' : True,
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| 148 |
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'cpu_model_name': True,
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| 149 |
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'bogomips' : True};
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| 150 |
corvo |
1.1 |
|
| 151 |
corvo |
1.3 |
def __init__ (self, initValue, defaultLogLevel = Logger.INFO):
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| 152 |
corvo |
1.1 |
"""
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| 153 |
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Class constructor:
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| 154 |
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- if initValue is a string, put it in configAddresses and load destinations
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| 155 |
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from the file named like that. if it starts with "http://", the configuration
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| 156 |
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is loaded from that URL. For background monitoring, given parameters will overwrite defaults
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| 157 |
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| 158 |
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- if initValue is a list, put its contents in configAddresses and create
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| 159 |
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the list of destinations from all those sources. For background monitoring,
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| 160 |
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given parameters will overwrite defaults (see __defaultOptions)
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| 161 |
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| 162 |
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- if initValue is a tuple (of strings), initialize destinations with that values.
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| 163 |
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Strings in this tuple have this form: "{hostname|ip}[:port][ passwd]", the
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| 164 |
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default port being 8884 and the default password being "". Background monitoring will be
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| 165 |
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enabled sending the parameters active from __defaultOptions (see end of file)
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| 166 |
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| 167 |
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- if initValue is a hash (key = string(hostname|ip[:port][ passwd]),
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| 168 |
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val = hash{'param_name': True/False, ...}) the given options for each destination
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| 169 |
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will overwrite the default parameters (see __defaultOptions)
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| 170 |
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"""
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| 171 |
corvo |
1.2 |
self.destinations = {} # empty, by default; key = tuple (host, port, pass) ; val = hash {"param_mame" : True/False, ...}
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| 172 |
corvo |
1.3 |
self.destPrevData = {} # empty, by defaul; key = tuple (host, port, pass) ; val = hash {"param_mame" : value, ...}
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| 173 |
corvo |
1.2 |
self.configAddresses = [] # empty, by default; list of files/urls from where we read config
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| 174 |
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self.configRecheckInterval = 120 # 2 minutes
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| 175 |
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self.configRecheck = True # enabled by default
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| 176 |
|
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self.performBgMonitoring = True # by default, perform background monitoring
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| 177 |
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self.monitoredJobs = {} # Monitored jobs; key = pid; value = hash with
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| 178 |
corvo |
1.3 |
self.maxMsgRate = 20; # Maximum number of messages allowed to be sent per second
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| 179 |
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self.sender = {'INSTANCE_ID': random.randint(0,0x7FFFFFFE), 'SEQ_NR': 0};
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| 180 |
corvo |
1.2 |
self.__defaultUserCluster = "ApMon_UserSend";
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| 181 |
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self.__defaultUserNode = socket.getfqdn();
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| 182 |
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self.__defaultSysMonCluster = "ApMon_SysMon";
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| 183 |
|
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self.__defaultSysMonNode = socket.getfqdn();
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| 184 |
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# don't touch these:
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| 185 |
corvo |
1.3 |
self.__freed = False
|
| 186 |
corvo |
1.2 |
self.__initializedOK = True
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| 187 |
|
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self.__udpSocket = None
|
| 188 |
|
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self.__configUpdateLock = threading.Lock()
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| 189 |
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self.__configUpdateEvent = threading.Event()
|
| 190 |
corvo |
1.4 |
self.__configUpdateFinished = threading.Event()
|
| 191 |
corvo |
1.2 |
self.__bgMonitorLock = threading.Lock()
|
| 192 |
|
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self.__bgMonitorEvent = threading.Event()
|
| 193 |
corvo |
1.4 |
self.__bgMonitorFinished = threading.Event()
|
| 194 |
corvo |
1.2 |
# don't allow a user to send more than MAX_MSG messages per second, in average
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| 195 |
|
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self.__crtTime = 0;
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| 196 |
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self.__prvTime = 0;
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| 197 |
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self.__prvSent = 0;
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| 198 |
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self.__prvDrop = 0;
|
| 199 |
|
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self.__crtSent = 0;
|
| 200 |
|
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self.__crtDrop = 0;
|
| 201 |
|
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self.__hWeight = 0.92;
|
| 202 |
corvo |
1.3 |
self.logger = Logger.Logger(defaultLogLevel)
|
| 203 |
corvo |
1.1 |
if type(initValue) == type("string"):
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| 204 |
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self.configAddresses.append(initValue)
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| 205 |
|
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self.__reloadAddresses()
|
| 206 |
|
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elif type(initValue) == type([]):
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| 207 |
|
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self.configAddresses = initValue
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| 208 |
|
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self.__reloadAddresses()
|
| 209 |
|
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elif type(initValue) == type(()):
|
| 210 |
|
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for dest in initValue:
|
| 211 |
|
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self.__addDestination (dest, self.destinations)
|
| 212 |
|
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elif type(initValue) == type({}):
|
| 213 |
|
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for dest, opts in initValue.items():
|
| 214 |
|
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self.__addDestination (dest, self.destinations, opts)
|
| 215 |
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|
| 216 |
|
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self.__initializedOK = (len (self.destinations) > 0)
|
| 217 |
|
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if not self.__initializedOK:
|
| 218 |
|
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self.logger.log(Logger.ERROR, "Failed to initialize. No destination defined.");
|
| 219 |
corvo |
1.3 |
# self.__defaultClusterName = None
|
| 220 |
|
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# self.__defaultNodeName = self.getMyHo
|
| 221 |
corvo |
1.1 |
if self.__initializedOK:
|
| 222 |
|
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self.__udpSocket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
| 223 |
|
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if len(self.configAddresses) > 0:
|
| 224 |
|
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# if there are addresses that need to be monitored,
|
| 225 |
|
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# start config checking and reloading thread
|
| 226 |
|
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th = threading.Thread(target=self.__configLoader)
|
| 227 |
|
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th.setDaemon(True) # this is a daemon thread
|
| 228 |
|
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th.start()
|
| 229 |
|
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# create the ProcInfo instance
|
| 230 |
|
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self.procInfo = ProcInfo.ProcInfo(self.logger);
|
| 231 |
corvo |
1.3 |
# self.procInfo.update();
|
| 232 |
corvo |
1.1 |
# start the background monitoring thread
|
| 233 |
|
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th = threading.Thread(target=self.__bgMonitor);
|
| 234 |
|
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th.setDaemon(True);
|
| 235 |
|
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th.start();
|
| 236 |
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|
| 237 |
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|
| 238 |
|
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def sendParams (self, params):
|
| 239 |
|
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"""
|
| 240 |
|
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Send multiple parameters to MonALISA, with default (last given) cluser and node names.
|
| 241 |
|
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"""
|
| 242 |
|
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self.sendTimedParams (-1, params)
|
| 243 |
|
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|
| 244 |
|
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def sendTimedParams (self, timeStamp, params):
|
| 245 |
|
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"""
|
| 246 |
|
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Send multiple parameters, specifying the time for them, with default (last given) cluster and node names.
|
| 247 |
|
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(See sendTimedParameters for more details)
|
| 248 |
|
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"""
|
| 249 |
|
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self.sendTimedParameters (None, None, timeStamp, params);
|
| 250 |
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|
| 251 |
|
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def sendParameter (self, clusterName, nodeName, paramName, paramValue):
|
| 252 |
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"""
|
| 253 |
|
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Send a single parameter to MonALISA.
|
| 254 |
|
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"""
|
| 255 |
|
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self.sendTimedParameter(clusterName, nodeName, -1, paramName, paramValue);
|
| 256 |
|
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|
| 257 |
|
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def sendTimedParameter (self, clusterName, nodeName, timeStamp, paramName, paramValue):
|
| 258 |
|
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"""
|
| 259 |
|
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Send a single parameter, with a given time.
|
| 260 |
|
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"""
|
| 261 |
|
|
self.sendTimedParameters (clusterName, nodeName, timeStamp, {paramName:paramValue})
|
| 262 |
|
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|
| 263 |
|
|
def sendParameters (self, clusterName, nodeName, params):
|
| 264 |
|
|
"""
|
| 265 |
|
|
Send multiple parameters specifying cluster and node name for them
|
| 266 |
|
|
"""
|
| 267 |
|
|
self.sendTimedParameters (clusterName, nodeName, -1, params);
|
| 268 |
|
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|
| 269 |
|
|
def sendTimedParameters (self, clusterName, nodeName, timeStamp, params):
|
| 270 |
|
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"""
|
| 271 |
|
|
Send multiple monitored parameters to MonALISA.
|
| 272 |
|
|
|
| 273 |
|
|
- clusterName is the name of the cluster being monitored. The first
|
| 274 |
|
|
time this function is called, this paramenter must not be None. Then,
|
| 275 |
|
|
it can be None; last given clusterName will be used instead.
|
| 276 |
|
|
- nodeName is the name of the node for which are the parameters. If this
|
| 277 |
|
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is None, the full hostname of this machine will be sent instead.
|
| 278 |
|
|
- timeStamp, if > 0, is given time for the parameters. This is in seconds from Epoch.
|
| 279 |
|
|
Note that this option should be used only if you are sure about the time for the result.
|
| 280 |
|
|
Otherwize, the parameters will be assigned a correct time (obtained from NTP servers)
|
| 281 |
|
|
in MonALISA service. This option can be usefull when parsing logs, for example.
|
| 282 |
|
|
- params is a dictionary containing pairs with:
|
| 283 |
|
|
- key: parameter name
|
| 284 |
|
|
- value: parameter value, either int or float.
|
| 285 |
|
|
or params is a vector of tuples (key, value). This version can be used
|
| 286 |
|
|
in case you want to send the parameters in a given order.
|
| 287 |
|
|
|
| 288 |
|
|
NOTE that python doesn't know about 32-bit floats (only 64-bit floats!)
|
| 289 |
|
|
"""
|
| 290 |
|
|
if not self.__initializedOK:
|
| 291 |
|
|
self.logger.log(Logger.WARNING, "Not initialized correctly. Message NOT sent!");
|
| 292 |
|
|
return
|
| 293 |
corvo |
1.3 |
if (clusterName == None) or (clusterName == ""):
|
| 294 |
corvo |
1.1 |
clusterName = self.__defaultUserCluster
|
| 295 |
|
|
else:
|
| 296 |
|
|
self.__defaultUserCluster = clusterName
|
| 297 |
|
|
if nodeName == None:
|
| 298 |
|
|
nodeName = self.__defaultUserNode
|
| 299 |
|
|
else:
|
| 300 |
|
|
self.__defaultUserNode = nodeName
|
| 301 |
corvo |
1.3 |
self.__configUpdateLock.acquire();
|
| 302 |
corvo |
1.1 |
for dest in self.destinations.keys():
|
| 303 |
corvo |
1.3 |
self.__directSendParams(self.sender, dest, clusterName, nodeName, timeStamp, params);
|
| 304 |
|
|
self.__configUpdateLock.release();
|
| 305 |
corvo |
1.1 |
|
| 306 |
|
|
def addJobToMonitor (self, pid, workDir, clusterName, nodeName):
|
| 307 |
|
|
"""
|
| 308 |
|
|
Add a new job to monitor.
|
| 309 |
|
|
"""
|
| 310 |
|
|
self.__bgMonitorLock.acquire();
|
| 311 |
|
|
self.monitoredJobs[pid] = {};
|
| 312 |
|
|
self.monitoredJobs[pid]['CLUSTER_NAME'] = clusterName;
|
| 313 |
|
|
self.monitoredJobs[pid]['NODE_NAME'] = nodeName;
|
| 314 |
|
|
self.procInfo.addJobToMonitor(pid, workDir);
|
| 315 |
|
|
self.__bgMonitorLock.release();
|
| 316 |
|
|
|
| 317 |
|
|
def removeJobToMonitor (self, pid):
|
| 318 |
|
|
"""
|
| 319 |
|
|
Remove a job from being monitored.
|
| 320 |
|
|
"""
|
| 321 |
|
|
self.__bgMonitorLock.acquire();
|
| 322 |
|
|
self.procInfo.removeJobToMonitor(pid);
|
| 323 |
|
|
del self.monitoredJobs[pid];
|
| 324 |
|
|
self.__bgMonitorLock.release();
|
| 325 |
|
|
|
| 326 |
|
|
def setMonitorClusterNode (self, clusterName, nodeName):
|
| 327 |
|
|
"""
|
| 328 |
|
|
Set the cluster and node names where to send system related information.
|
| 329 |
|
|
"""
|
| 330 |
|
|
self.__bgMonitorLock.acquire();
|
| 331 |
corvo |
1.3 |
if (clusterName != None) and (clusterName != ""):
|
| 332 |
|
|
self.__defaultSysMonCluster = clusterName;
|
| 333 |
|
|
if (nodeName != None) and (nodeName != ""):
|
| 334 |
|
|
self.__defaultSysMonNode = nodeName;
|
| 335 |
corvo |
1.1 |
self.__bgMonitorLock.release();
|
| 336 |
|
|
|
| 337 |
|
|
def enableBgMonitoring (self, onOff):
|
| 338 |
|
|
"""
|
| 339 |
|
|
Enable or disable background monitoring. Note that background monitoring information
|
| 340 |
|
|
can still be sent if user calls the sendBgMonitoring method.
|
| 341 |
|
|
"""
|
| 342 |
|
|
self.performBgMonitoring = onOff;
|
| 343 |
corvo |
1.3 |
|
| 344 |
|
|
def sendBgMonitoring (self, mustSend = False):
|
| 345 |
corvo |
1.1 |
"""
|
| 346 |
corvo |
1.3 |
Send background monitoring about system and jobs to all interested destinations.
|
| 347 |
|
|
If mustSend == True, the information is sent regardles of the elapsed time since last sent
|
| 348 |
|
|
If mustSend == False, the data is sent only if the required interval has passed since last sent
|
| 349 |
corvo |
1.1 |
"""
|
| 350 |
|
|
self.__bgMonitorLock.acquire();
|
| 351 |
|
|
now = int(time.time());
|
| 352 |
corvo |
1.3 |
updatedProcInfo = False;
|
| 353 |
|
|
for destination, options in self.destinations.iteritems():
|
| 354 |
corvo |
1.1 |
sysParams = [];
|
| 355 |
|
|
jobParams = [];
|
| 356 |
corvo |
1.3 |
prevRawData = self.destPrevData[destination];
|
| 357 |
corvo |
1.1 |
# for each destination and its options, check if we have to report any background monitoring data
|
| 358 |
corvo |
1.3 |
if(options['sys_monitoring'] and (mustSend or options['sys_data_sent'] + options['sys_interval'] <= now)):
|
| 359 |
corvo |
1.1 |
for param, active in options.items():
|
| 360 |
|
|
m = re.match("sys_(.+)", param);
|
| 361 |
|
|
if(m != None and active):
|
| 362 |
|
|
param = m.group(1);
|
| 363 |
|
|
if not (param == 'monitoring' or param == 'interval' or param == 'data_sent'):
|
| 364 |
|
|
sysParams.append(param)
|
| 365 |
|
|
options['sys_data_sent'] = now;
|
| 366 |
corvo |
1.3 |
if(options['job_monitoring'] and (mustSend or options['job_data_sent'] + options['job_interval'] <= now)):
|
| 367 |
corvo |
1.1 |
for param, active in options.items():
|
| 368 |
|
|
m = re.match("job_(.+)", param);
|
| 369 |
|
|
if(m != None and active):
|
| 370 |
|
|
param = m.group(1);
|
| 371 |
|
|
if not (param == 'monitoring' or param == 'interval' or param == 'data_sent'):
|
| 372 |
|
|
jobParams.append(param);
|
| 373 |
|
|
options['job_data_sent'] = now;
|
| 374 |
corvo |
1.3 |
if(options['general_info'] and (mustSend or options['general_data_sent'] + 2 * int(options['sys_interval']) <= now)):
|
| 375 |
corvo |
1.1 |
for param, active in options.items():
|
| 376 |
|
|
if not (param.startswith("sys_") or param.startswith("job_")) and active:
|
| 377 |
|
|
if not (param == 'general_info' or param == 'general_data_sent'):
|
| 378 |
|
|
sysParams.append(param);
|
| 379 |
corvo |
1.3 |
options['general_data_sent'] = now;
|
| 380 |
|
|
|
| 381 |
|
|
if (not updatedProcInfo) and ((len(sysParams) > 0) or (len(jobParams) > 0) ):
|
| 382 |
|
|
self.procInfo.update();
|
| 383 |
|
|
updatedProcInf = True;
|
| 384 |
|
|
|
| 385 |
corvo |
1.1 |
sysResults = {}
|
| 386 |
|
|
if(len(sysParams) > 0):
|
| 387 |
corvo |
1.3 |
sysResults = self.procInfo.getSystemData(sysParams, prevRawData);
|
| 388 |
|
|
self.updateLastSentTime(options, self.destinations[destination]);
|
| 389 |
|
|
if( (type(sysResults) == type( {} )) and len(sysResults.keys()) > 0):
|
| 390 |
|
|
self.__directSendParams(self.sender, destination, self.__defaultSysMonCluster, self.__defaultSysMonNode, -1, sysResults);
|
| 391 |
|
|
if( (type(sysResults) == type( [] )) and len(sysResults) > 0):
|
| 392 |
|
|
self.__directSendParams(self.sender, destination, self.__defaultSysMonCluster, self.__defaultSysMonNode, -1, sysResults);
|
| 393 |
corvo |
1.1 |
for pid, props in self.monitoredJobs.items():
|
| 394 |
|
|
jobResults = {};
|
| 395 |
|
|
if(len(jobParams) > 0):
|
| 396 |
|
|
jobResults = self.procInfo.getJobData(pid, jobParams);
|
| 397 |
|
|
if(len(jobResults) > 0):
|
| 398 |
corvo |
1.3 |
self.__directSendParams(self.sender, destination, props['CLUSTER_NAME'], props['NODE_NAME'], -1, jobResults);
|
| 399 |
corvo |
1.1 |
self.__bgMonitorLock.release();
|
| 400 |
|
|
|
| 401 |
corvo |
1.3 |
# copy the time when last data was sent
|
| 402 |
|
|
def updateLastSentTime(self, srcOpts, dstOpts):
|
| 403 |
|
|
if srcOpts.has_key('general_data_sent'):
|
| 404 |
|
|
dstOpts['general_data_sent'] = srcOpts['general_data_sent'];
|
| 405 |
|
|
if srcOpts.has_key('sys_data_sent'):
|
| 406 |
|
|
dstOpts['sys_data_sent'] = srcOpts['sys_data_sent'];
|
| 407 |
|
|
if srcOpts.has_key('job_data_sent'):
|
| 408 |
|
|
dstOpts['job_data_sent'] = srcOpts['job_data_sent'];
|
| 409 |
|
|
|
| 410 |
corvo |
1.1 |
def setLogLevel (self, strLevel):
|
| 411 |
|
|
"""
|
| 412 |
|
|
Change the log level. Given level is a string, one of 'FATAL', 'ERROR', 'WARNING',
|
| 413 |
|
|
'INFO', 'NOTICE', 'DEBUG'.
|
| 414 |
|
|
"""
|
| 415 |
|
|
self.logger.setLogLevel(strLevel);
|
| 416 |
|
|
|
| 417 |
corvo |
1.2 |
def setMaxMsgRate(self, rate):
|
| 418 |
|
|
"""
|
| 419 |
|
|
Set the maximum number of messages that can be sent, per second.
|
| 420 |
|
|
"""
|
| 421 |
|
|
self.maxMsgRate = rate;
|
| 422 |
|
|
self.logger.log(Logger.DEBUG, "Setting maxMsgRate to: " + str(rate));
|
| 423 |
|
|
|
| 424 |
|
|
def free(self):
|
| 425 |
|
|
"""
|
| 426 |
|
|
Stop background threands, close opened sockets. You have to use this function if you want to
|
| 427 |
|
|
free all the resources that ApMon takes, and allow it to be garbage-collected.
|
| 428 |
|
|
"""
|
| 429 |
corvo |
1.4 |
if len(self.configAddresses) > 0:
|
| 430 |
|
|
self.__configUpdateEvent.set()
|
| 431 |
|
|
self.__configUpdateFinished.wait()
|
| 432 |
|
|
self.__bgMonitorEvent.set()
|
| 433 |
|
|
self.__bgMonitorFinished.wait()
|
| 434 |
|
|
|
| 435 |
corvo |
1.2 |
if self.__udpSocket != None:
|
| 436 |
|
|
self.logger.log(Logger.DEBUG, "Closing UDP socket on ApMon object destroy.");
|
| 437 |
|
|
self.__udpSocket.close();
|
| 438 |
corvo |
1.3 |
self.__udpSocket = None;
|
| 439 |
|
|
self.__freed = True
|
| 440 |
corvo |
1.2 |
|
| 441 |
|
|
|
| 442 |
corvo |
1.1 |
#########################################################################################
|
| 443 |
|
|
# Internal functions - Config reloader thread
|
| 444 |
|
|
#########################################################################################
|
| 445 |
|
|
|
| 446 |
|
|
def __configLoader(self):
|
| 447 |
|
|
"""
|
| 448 |
|
|
Main loop of the thread that checks for changes and reloads the configuration
|
| 449 |
|
|
"""
|
| 450 |
corvo |
1.2 |
while not self.__configUpdateEvent.isSet():
|
| 451 |
|
|
self.__configUpdateEvent.wait(self.configRecheckInterval);
|
| 452 |
|
|
if self.__configUpdateEvent.isSet():
|
| 453 |
corvo |
1.4 |
break
|
| 454 |
corvo |
1.1 |
if self.configRecheck:
|
| 455 |
|
|
self.__reloadAddresses()
|
| 456 |
|
|
self.logger.log(Logger.DEBUG, "Config reloaded. Seleeping for "+`self.configRecheckInterval`+" sec.");
|
| 457 |
corvo |
1.4 |
self.__configUpdateFinished.set();
|
| 458 |
corvo |
1.1 |
|
| 459 |
|
|
def __reloadAddresses(self):
|
| 460 |
|
|
"""
|
| 461 |
|
|
Refresh destinations hash, by loading data from all sources in configAddresses
|
| 462 |
|
|
"""
|
| 463 |
|
|
newDestinations = {}
|
| 464 |
|
|
for src in self.configAddresses:
|
| 465 |
|
|
self.__initializeFromFile(src, newDestinations)
|
| 466 |
|
|
# avoid changing config in the middle of sending packets to previous destinations
|
| 467 |
|
|
self.__configUpdateLock.acquire()
|
| 468 |
|
|
self.destinations = newDestinations
|
| 469 |
|
|
self.__configUpdateLock.release()
|
| 470 |
|
|
|
| 471 |
|
|
def __addDestination (self, aDestination, tempDestinations, options = __defaultOptions):
|
| 472 |
|
|
"""
|
| 473 |
|
|
Add a destination to the list.
|
| 474 |
|
|
|
| 475 |
|
|
aDestination is a string of the form "{hostname|ip}[:port] [passwd]" without quotes.
|
| 476 |
|
|
If the port is not given, it will be used the default port (8884)
|
| 477 |
|
|
If the password is missing, it will be considered an empty string
|
| 478 |
|
|
"""
|
| 479 |
|
|
aDestination = aDestination.strip().replace('\t', ' ')
|
| 480 |
|
|
while aDestination != aDestination.replace(' ', ' '):
|
| 481 |
|
|
aDestination = aDestination.replace(' ', ' ')
|
| 482 |
|
|
sepPort = aDestination.find (':')
|
| 483 |
|
|
sepPasswd = aDestination.rfind (' ')
|
| 484 |
|
|
if sepPort >= 0:
|
| 485 |
|
|
host = aDestination[0:sepPort].strip()
|
| 486 |
|
|
if sepPasswd > sepPort + 1:
|
| 487 |
|
|
port = aDestination[sepPort+1:sepPasswd].strip()
|
| 488 |
|
|
passwd = aDestination[sepPasswd:].strip()
|
| 489 |
|
|
else:
|
| 490 |
|
|
port = aDestination[sepPort+1:].strip()
|
| 491 |
|
|
passwd = ""
|
| 492 |
|
|
else:
|
| 493 |
|
|
port = str(self.__defaultPort)
|
| 494 |
|
|
if sepPasswd >= 0:
|
| 495 |
|
|
host = aDestination[0:sepPasswd].strip()
|
| 496 |
|
|
passwd = aDestination[sepPasswd:].strip()
|
| 497 |
|
|
else:
|
| 498 |
|
|
host = aDestination.strip()
|
| 499 |
|
|
passwd = ""
|
| 500 |
|
|
if (not port.isdigit()):
|
| 501 |
|
|
self.logger.log(Logger.WARNING, "Bad value for port number "+`port`+" in "+aDestination+" destination");
|
| 502 |
|
|
return
|
| 503 |
|
|
alreadyAdded = False
|
| 504 |
|
|
port = int(port)
|
| 505 |
|
|
host = socket.gethostbyname(host) # convert hostnames to IP addresses to avoid suffocating DNSs
|
| 506 |
|
|
for h, p, w in tempDestinations.keys():
|
| 507 |
|
|
if (h == host) and (p == port):
|
| 508 |
|
|
alreadyAdded = True
|
| 509 |
|
|
break
|
| 510 |
corvo |
1.3 |
destination = (host, port, passwd);
|
| 511 |
corvo |
1.1 |
if not alreadyAdded:
|
| 512 |
|
|
self.logger.log(Logger.INFO, "Adding destination "+host+':'+`port`+' '+passwd);
|
| 513 |
corvo |
1.3 |
tempDestinations[destination] = copy.deepcopy(self.__defaultOptions); # have a different set of options for each dest.
|
| 514 |
|
|
self.destPrevData[destination] = {};
|
| 515 |
corvo |
1.1 |
if options != self.__defaultOptions:
|
| 516 |
|
|
# we have to overwrite defaults with given options
|
| 517 |
|
|
for key, value in options.items():
|
| 518 |
|
|
self.logger.log(Logger.NOTICE, "Overwritting option: "+key+" = "+`value`);
|
| 519 |
corvo |
1.3 |
tempDestinations[destination][key] = value;
|
| 520 |
corvo |
1.1 |
else:
|
| 521 |
corvo |
1.2 |
self.logger.log(Logger.NOTICE, "Destination "+host+":"+str(port)+" "+passwd+" already added. Skipping it");
|
| 522 |
corvo |
1.1 |
|
| 523 |
|
|
def __initializeFromFile (self, confFileName, tempDestinations):
|
| 524 |
|
|
"""
|
| 525 |
|
|
Load destinations from confFileName file. If it's an URL (starts with "http://")
|
| 526 |
|
|
load configuration from there. Put all destinations in tempDestinations hash.
|
| 527 |
|
|
|
| 528 |
|
|
Calls addDestination for each line that doesn't start with # and
|
| 529 |
|
|
has non-whitespace characters on it
|
| 530 |
|
|
"""
|
| 531 |
|
|
try:
|
| 532 |
|
|
if confFileName.find ("http://") == 0:
|
| 533 |
|
|
confFile = urllib2.urlopen (confFileName)
|
| 534 |
|
|
else:
|
| 535 |
|
|
confFile = open (confFileName)
|
| 536 |
|
|
except urllib2.HTTPError, e:
|
| 537 |
|
|
self.logger.log(Logger.ERROR, "Cannot open "+confFileName);
|
| 538 |
|
|
if e.code == 401:
|
| 539 |
|
|
self.logger.log(Logger.ERROR, 'HTTPError: not authorized.');
|
| 540 |
|
|
elif e.code == 404:
|
| 541 |
|
|
self.logger.log(Logger.ERROR, 'HTTPError: not found.');
|
| 542 |
|
|
elif e.code == 503:
|
| 543 |
|
|
self.logger.log(Logger.ERROR, 'HTTPError: service unavailable.');
|
| 544 |
|
|
else:
|
| 545 |
|
|
self.logger.log(Logger.ERROR, 'HTTPError: unknown error.');
|
| 546 |
|
|
return
|
| 547 |
|
|
except urllib2.URLError, ex:
|
| 548 |
|
|
self.logger.log(Logger.ERROR, "Cannot open "+confFileName);
|
| 549 |
|
|
self.logger.log(Logger.ERROR, "URL Error: "+str(ex.reason[1]));
|
| 550 |
|
|
return
|
| 551 |
|
|
except IOError, ex:
|
| 552 |
|
|
self.logger.log(Logger.ERROR, "Cannot open "+confFileName);
|
| 553 |
|
|
self.logger.log(Logger.ERROR, "IOError: "+str(ex));
|
| 554 |
|
|
return
|
| 555 |
|
|
self.logger.log(Logger.INFO, "Adding destinations from "+confFileName);
|
| 556 |
|
|
dests = []
|
| 557 |
|
|
opts = {}
|
| 558 |
|
|
while(True):
|
| 559 |
|
|
line = confFile.readline();
|
| 560 |
|
|
if line == '':
|
| 561 |
|
|
break;
|
| 562 |
|
|
line = line.strip()
|
| 563 |
|
|
self.logger.log(Logger.DEBUG, "Reading line "+line);
|
| 564 |
|
|
if (len(line) == 0) or (line[0] == '#'):
|
| 565 |
|
|
continue
|
| 566 |
|
|
elif line.startswith("xApMon_"):
|
| 567 |
|
|
m = re.match("xApMon_(.*)", line);
|
| 568 |
|
|
if m != None:
|
| 569 |
|
|
m = re.match("(\S+)\s*=\s*(\S+)", m.group(1));
|
| 570 |
|
|
if m != None:
|
| 571 |
|
|
param = m.group(1); value = m.group(2);
|
| 572 |
|
|
if(value.upper() == "ON"):
|
| 573 |
|
|
value = True;
|
| 574 |
|
|
elif(value.upper() == "OFF"):
|
| 575 |
|
|
value = False;
|
| 576 |
|
|
elif(param.endswith("_interval")):
|
| 577 |
|
|
value = int(value);
|
| 578 |
|
|
if param == "loglevel":
|
| 579 |
|
|
self.logger.setLogLevel(value);
|
| 580 |
corvo |
1.2 |
elif param == "maxMsgRate":
|
| 581 |
|
|
self.setMaxMsgRate(int(value));
|
| 582 |
corvo |
1.1 |
elif param == "conf_recheck":
|
| 583 |
|
|
self.configRecheck = value;
|
| 584 |
|
|
elif param == "recheck_interval":
|
| 585 |
|
|
self.configRecheckInterval = value;
|
| 586 |
|
|
elif param.endswith("_data_sent"):
|
| 587 |
|
|
pass; # don't reset time in sys/job/general/_data_sent
|
| 588 |
|
|
else:
|
| 589 |
|
|
opts[param] = value;
|
| 590 |
|
|
else:
|
| 591 |
|
|
dests.append(line);
|
| 592 |
corvo |
1.3 |
|
| 593 |
corvo |
1.1 |
confFile.close ()
|
| 594 |
|
|
for line in dests:
|
| 595 |
|
|
self.__addDestination(line, tempDestinations, opts)
|
| 596 |
|
|
|
| 597 |
|
|
###############################################################################################
|
| 598 |
|
|
# Internal functions - Background monitor thread
|
| 599 |
|
|
###############################################################################################
|
| 600 |
|
|
|
| 601 |
|
|
def __bgMonitor (self):
|
| 602 |
corvo |
1.2 |
while not self.__bgMonitorEvent.isSet():
|
| 603 |
corvo |
1.4 |
self.__bgMonitorEvent.wait(10)
|
| 604 |
corvo |
1.2 |
if self.__bgMonitorEvent.isSet():
|
| 605 |
corvo |
1.4 |
break
|
| 606 |
corvo |
1.1 |
if self.performBgMonitoring:
|
| 607 |
corvo |
1.3 |
self.sendBgMonitoring() # send only if the interval has elapsed
|
| 608 |
corvo |
1.4 |
self.__bgMonitorFinished.set()
|
| 609 |
corvo |
1.1 |
|
| 610 |
|
|
###############################################################################################
|
| 611 |
|
|
# Internal helper functions
|
| 612 |
|
|
###############################################################################################
|
| 613 |
|
|
|
| 614 |
corvo |
1.3 |
def __directSendParams (self, senderRef, destination, clusterName, nodeName, timeStamp, params):
|
| 615 |
|
|
|
| 616 |
corvo |
1.2 |
if self.__shouldSend() == False:
|
| 617 |
corvo |
1.4 |
self.logger.log(Logger.DEBUG, "Dropping packet since rate is too fast!");
|
| 618 |
corvo |
1.2 |
return;
|
| 619 |
|
|
|
| 620 |
corvo |
1.3 |
if destination == None:
|
| 621 |
|
|
self.logger.log(Logger.WARNING, "Destination is None");
|
| 622 |
|
|
return;
|
| 623 |
|
|
|
| 624 |
corvo |
1.1 |
host, port, passwd = destination
|
| 625 |
corvo |
1.3 |
senderRef['SEQ_NR'] = (senderRef['SEQ_NR'] + 1) % 2000000000; # wrap around 2 mld
|
| 626 |
|
|
|
| 627 |
|
|
xdrPacker = xdrlib.Packer ();
|
| 628 |
corvo |
1.4 |
self.logger.log(Logger.DEBUG, "Building XDR packet for ["+str(clusterName)+"/"+str(nodeName)+"] <"+str(senderRef['SEQ_NR'])+"/"+str(senderRef['INSTANCE_ID'])+"> len:"+str(len(params)));
|
| 629 |
corvo |
1.3 |
|
| 630 |
corvo |
1.1 |
xdrPacker.pack_string ("v:"+self.__version+"p:"+passwd)
|
| 631 |
corvo |
1.3 |
|
| 632 |
|
|
xdrPacker.pack_int (senderRef['INSTANCE_ID']);
|
| 633 |
|
|
xdrPacker.pack_int (senderRef['SEQ_NR']);
|
| 634 |
|
|
|
| 635 |
|
|
xdrPacker.pack_string (clusterName);
|
| 636 |
|
|
xdrPacker.pack_string (nodeName);
|
| 637 |
|
|
xdrPacker.pack_int (len(params));
|
| 638 |
|
|
|
| 639 |
corvo |
1.1 |
if type(params) == type( {} ):
|
| 640 |
|
|
for name, value in params.iteritems():
|
| 641 |
|
|
self.__packParameter(xdrPacker, name, value)
|
| 642 |
|
|
elif type(params) == type( [] ):
|
| 643 |
|
|
for name, value in params:
|
| 644 |
|
|
self.logger.log(Logger.DEBUG, "Adding parameter "+name+" = "+str(value));
|
| 645 |
|
|
self.__packParameter(xdrPacker, name, value)
|
| 646 |
|
|
else:
|
| 647 |
|
|
self.logger.log(Logger.WARNING, "Unsupported params type in sendParameters: " + str(type(params)));
|
| 648 |
corvo |
1.3 |
if (timeStamp != None) and (timeStamp > 0):
|
| 649 |
corvo |
1.1 |
xdrPacker.pack_int(timeStamp);
|
| 650 |
corvo |
1.3 |
|
| 651 |
corvo |
1.1 |
buffer = xdrPacker.get_buffer();
|
| 652 |
|
|
# send this buffer to the destination, using udp datagrams
|
| 653 |
|
|
try:
|
| 654 |
|
|
self.__udpSocket.sendto(buffer, (host, port))
|
| 655 |
corvo |
1.3 |
self.logger.log(Logger.DEBUG, "Packet sent to "+host+":"+str(port)+" "+passwd);
|
| 656 |
corvo |
1.1 |
except socket.error, msg:
|
| 657 |
|
|
self.logger.log(Logger.ERROR, "Cannot send packet to "+host+":"+str(port)+" "+passwd+": "+str(msg[1]));
|
| 658 |
|
|
xdrPacker.reset()
|
| 659 |
|
|
|
| 660 |
|
|
def __packParameter(self, xdrPacker, name, value):
|
| 661 |
corvo |
1.3 |
if (name is None) or (name is ""):
|
| 662 |
|
|
self.logger.log(Logger.WARNING, "Undefine parameter name.");
|
| 663 |
|
|
return;
|
| 664 |
|
|
if (value is None):
|
| 665 |
|
|
self.logger.log(Logger.WARNING, "Ignore " + str(name)+ " parameter because of None value");
|
| 666 |
|
|
return;
|
| 667 |
corvo |
1.1 |
try:
|
| 668 |
|
|
typeValue = self.__valueTypes[type(value)]
|
| 669 |
|
|
xdrPacker.pack_string (name)
|
| 670 |
|
|
xdrPacker.pack_int (typeValue)
|
| 671 |
|
|
self.__packFunctions[typeValue] (xdrPacker, value)
|
| 672 |
|
|
self.logger.log(Logger.DEBUG, "Adding parameter "+str(name)+" = "+str(value));
|
| 673 |
|
|
except Exception, ex:
|
| 674 |
corvo |
1.4 |
self.logger.log(Logger.WARNING, "Error packing %s = %s; got %s" % (name, str(value), ex))
|
| 675 |
corvo |
1.3 |
|
| 676 |
corvo |
1.1 |
# Destructor
|
| 677 |
|
|
def __del__(self):
|
| 678 |
corvo |
1.3 |
if not self.__freed:
|
| 679 |
|
|
self.free();
|
| 680 |
corvo |
1.2 |
|
| 681 |
|
|
# Decide if the current datagram should be sent.
|
| 682 |
|
|
# This decision is based on the number of messages previously sent.
|
| 683 |
|
|
def __shouldSend(self):
|
| 684 |
|
|
now = long(time.time());
|
| 685 |
|
|
if now != self.__crtTime :
|
| 686 |
|
|
# new time
|
| 687 |
|
|
# update previous counters;
|
| 688 |
|
|
self.__prvSent = self.__hWeight * self.__prvSent + (1.0 - self.__hWeight) * self.__crtSent / (now - self.__crtTime);
|
| 689 |
|
|
self.__prvTime = self.__crtTime;
|
| 690 |
|
|
self.logger.log(Logger.DEBUG, "previously sent: " + str(self.__crtSent) + "; dropped: " + str(self.__crtDrop));
|
| 691 |
|
|
# reset current counter
|
| 692 |
|
|
self.__crtTime = now;
|
| 693 |
|
|
self.__crtSent = 0;
|
| 694 |
|
|
self.__crtDrop = 0;
|
| 695 |
|
|
|
| 696 |
|
|
# compute the history
|
| 697 |
|
|
valSent = self.__prvSent * self.__hWeight + self.__crtSent * (1 - self.__hWeight);
|
| 698 |
|
|
|
| 699 |
|
|
doSend = True;
|
| 700 |
|
|
|
| 701 |
|
|
# when we should start dropping messages
|
| 702 |
|
|
level = self.maxMsgRate - self.maxMsgRate / 10;
|
| 703 |
|
|
|
| 704 |
|
|
if valSent > (self.maxMsgRate - level) :
|
| 705 |
|
|
if random.randint(0,self.maxMsgRate / 10) >= (self.maxMsgRate - valSent):
|
| 706 |
|
|
doSend = False;
|
| 707 |
|
|
|
| 708 |
|
|
# counting sent and dropped messages
|
| 709 |
|
|
if doSend:
|
| 710 |
|
|
self.__crtSent+=1;
|
| 711 |
|
|
else:
|
| 712 |
|
|
self.__crtDrop+=1;
|
| 713 |
|
|
|
| 714 |
|
|
return doSend;
|
| 715 |
|
|
|
| 716 |
corvo |
1.1 |
################################################################################################
|
| 717 |
|
|
# Private variables. Don't touch
|
| 718 |
|
|
################################################################################################
|
| 719 |
|
|
|
| 720 |
|
|
__valueTypes = {
|
| 721 |
|
|
type("string"): 0, # XDR_STRING (see ApMon.h from C/C++ ApMon version)
|
| 722 |
|
|
type(1): 2, # XDR_INT32
|
| 723 |
|
|
type(1.0): 5}; # XDR_REAL64
|
| 724 |
|
|
|
| 725 |
|
|
__packFunctions = {
|
| 726 |
|
|
0: xdrlib.Packer.pack_string,
|
| 727 |
|
|
2: xdrlib.Packer.pack_int,
|
| 728 |
|
|
5: xdrlib.Packer.pack_double }
|
| 729 |
|
|
|
| 730 |
|
|
__defaultPort = 8884
|
| 731 |
corvo |
1.4 |
__version = "2.2.2-py" # apMon version number
|
| 732 |
corvo |
1.1 |
|
