1 | #!/usr/bin/env python |
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2 | # -*- coding: ISO-8859-1 -*- |
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3 | |
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4 | ################################## |
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5 | # @program smon |
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6 | # @description simulation monitor |
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7 | # @copyright Copyright â(c)2009 Centre National de la Recherche Scientifique CNRS. |
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8 | # All Rights Reservedâ |
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9 | # @svn_file $Id: watcher 2545 2013-02-01 09:58:10Z jripsl $ |
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10 | # @version $Rev: 2545 $ |
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11 | # @lastrevision $Date: 2013-02-01 10:58:10 +0100 (Fri, 01 Feb 2013) $ |
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12 | # @license CeCILL (http://dods.ipsl.jussieu.fr/jripsl/smon/LICENSE) |
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13 | ################################## |
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14 | |
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15 | import pika |
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16 | import base64 |
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17 | import json |
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18 | import sys |
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19 | import signal |
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20 | import smtplib |
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21 | from email.mime.text import MIMEText |
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22 | import datetime |
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23 | import logging |
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24 | import ConfigParser |
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25 | |
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26 | # line below is to include "smon" package in the search path |
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27 | sys.path.append("/opt/supervisor/Monitoring") |
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28 | |
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29 | import smon.repo_io as repo_io |
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30 | import smon.types |
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31 | |
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32 | CSTE_BROKER_HOST='cstest-broker.ipsl.jussieu.fr' # cstest |
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33 | #CSTE_BROKER_HOST='localhost' # vesg4 |
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34 | CSTE_LOG_DIR='/var/log/cssupervisor' |
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35 | CSTE_LOG_FILENAME_MAIN='supervisor.log' |
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36 | CSTE_LOG_FILENAME_DEBUG='debug.log' |
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37 | CSTE_LOG_FILENAME_MSG='message.log' # log AMQP msgs |
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38 | CSTE_LOG_FILE_MAIN="%s/%s"%(CSTE_LOG_DIR,CSTE_LOG_FILENAME_MAIN) |
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39 | CSTE_LOG_FILE_MSG="%s/%s"%(CSTE_LOG_DIR,CSTE_LOG_FILENAME_MSG) |
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40 | |
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41 | # read ini file |
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42 | config = ConfigParser.ConfigParser() |
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43 | config.read("/opt/supervisor/Monitoring/Watch/watch.ini") |
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44 | g__user = config.get("main","user") |
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45 | g__password = config.get("main","password") |
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46 | |
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47 | def create_logger(name,fullpath_filename): |
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48 | |
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49 | # new logger instance |
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50 | logger = logging.getLogger(name) |
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51 | logger.setLevel(logging.DEBUG) |
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52 | |
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53 | # create associated file |
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54 | fh = logging.FileHandler(fullpath_filename) |
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55 | fh.setLevel(logging.DEBUG) |
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56 | |
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57 | # create formatter |
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58 | formatter = logging.Formatter('%(asctime)-15s - %(message)s') |
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59 | fh.setFormatter(formatter) |
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60 | |
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61 | # binding |
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62 | logger.addHandler(fh) |
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63 | |
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64 | return logger |
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65 | |
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66 | |
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67 | |
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68 | |
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69 | # loggers init. |
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70 | logger=create_logger(CSTE_LOG_FILENAME_MAIN,CSTE_LOG_FILE_MAIN) |
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71 | msg_logger=create_logger(CSTE_LOG_FILENAME_MSG,CSTE_LOG_FILE_MSG) |
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72 | |
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73 | class Mail(): |
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74 | |
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75 | @classmethod |
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76 | def mail_example(cls): |
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77 | me="jripsl@ipsl.jussieu.fr" |
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78 | you="jripsl@ipsl.jussieu.fr" |
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79 | body="Alarm" |
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80 | object="Supervisor" |
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81 | |
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82 | cls.mail(me,you,object,body) |
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83 | |
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84 | @classmethod |
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85 | def send_mail(cls,me,you,object,body): |
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86 | msg = MIMEText(body) |
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87 | msg['Subject'] = object |
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88 | msg['From'] = me |
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89 | msg['To'] = you |
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90 | |
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91 | # Send the message via our own SMTP server, but don't include the # envelope header. |
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92 | s = smtplib.SMTP('localhost') |
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93 | s.sendmail(me,[you], msg.as_string()) |
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94 | s.quit() |
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95 | |
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96 | class Actions(): |
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97 | |
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98 | @classmethod |
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99 | def store_msg(cls,message): |
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100 | |
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101 | try: |
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102 | |
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103 | # the simu exists when we are here (see TAG0001 tag) |
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104 | s=repo_io.retrieve_simulation(message.simuid) |
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105 | |
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106 | if s is None: |
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107 | raise Exception("WATCH-ERR102","simulation not found") |
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108 | |
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109 | repo_io.create_message(message,s) |
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110 | |
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111 | except: |
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112 | raise |
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113 | |
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114 | @classmethod |
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115 | def cleanup(cls,message): |
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116 | repo_io.cleanup() # truncate/delete everything |
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117 | |
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118 | @classmethod |
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119 | def set_sim_status_to_error(cls,message): |
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120 | |
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121 | try: |
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122 | |
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123 | s=repo_io.retrieve_simulation(message.simuid) |
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124 | |
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125 | s.status="error" |
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126 | |
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127 | repo_io.update_simulation_status(s) |
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128 | |
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129 | except: |
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130 | raise |
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131 | |
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132 | @classmethod |
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133 | def set_sim_status_to_complete(cls,message): |
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134 | |
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135 | s=repo_io.retrieve_simulation(message.simuid) |
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136 | |
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137 | s.status="complete" |
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138 | |
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139 | repo_io.update_simulation_status(s) |
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140 | |
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141 | @classmethod |
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142 | def crea_sim(cls,message): |
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143 | |
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144 | s=repo_io.retrieve_simulation(message.simuid) |
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145 | |
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146 | if s is not None: |
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147 | #repo_io.delete_simulation(name) |
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148 | |
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149 | s.status="running" |
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150 | repo_io.update_simulation_status(s) |
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151 | |
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152 | else: |
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153 | simulation=smon.types.Simulation(name=message.simuid,status="running") |
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154 | |
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155 | repo_io.create_simulation(simulation) |
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156 | |
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157 | @classmethod |
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158 | def mail(cls): |
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159 | cls.mail_example() |
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160 | |
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161 | @classmethod |
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162 | def log_debug(cls,line): |
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163 | cls.log(CSTE_LOG_FILENAME_DEBUG,line) |
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164 | |
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165 | @classmethod |
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166 | def log(cls,filename,line): |
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167 | with open("%s/%s"%(CSTE_LOG_DIR,filename), "a") as log_file: |
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168 | log_file.write("%s %s\n"%(datetime.datetime.now().strftime('%Y%m%d_%H%M%S'), line)) |
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169 | |
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170 | @classmethod |
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171 | def log_msg(cls,message): |
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172 | line="%s %s %s %s"%(message.code,message.jobid,message.timestamp,message.command) |
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173 | msg_logger.info(line) |
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174 | |
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175 | """ |
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176 | if message.file is not None: |
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177 | "%s %s %s %s %s\n"%(message.code,message.jobid,message.command,message.timestamp,message.file) |
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178 | else: |
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179 | "%s %s %s %s\n"%(message.code,message.jobid,message.command,message.timestamp) |
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180 | """ |
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181 | |
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182 | @classmethod |
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183 | def execActions(cls,message): |
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184 | |
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185 | message_code=message.code |
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186 | |
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187 | for action in MessageActionsMapping.mapping[message_code]: |
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188 | proc_name=action |
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189 | |
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190 | try: |
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191 | getattr(Actions, proc_name)(message) |
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192 | except Exception,e: |
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193 | logger.exception("ERR909 - exception occurs") |
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194 | |
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195 | raise Exception("WATCH-ERR002","procedure error (%s)"%(proc_name,)) |
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196 | |
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197 | class MessageActionsMapping(): |
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198 | |
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199 | # TAG0001: note that crea_sim must be BEFORE store_msg in the list (because when we insert the msg, we need the simu_id) |
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200 | # |
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201 | mapping = { "0000":["crea_sim", "log_msg", "store_msg"], |
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202 | "0100":["log_msg", "store_msg", "set_sim_status_to_complete"], |
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203 | "1000":["log_msg", "store_msg"], |
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204 | "1100":["log_msg", "store_msg"], |
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205 | "2000":["log_msg", "store_msg"], |
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206 | "3000":["log_msg", "store_msg"], |
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207 | "7000":["log_msg"], |
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208 | "8888":["cleanup"], |
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209 | "9000":["log_msg", "store_msg"], |
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210 | "9999":["log_msg", "store_msg", "set_sim_status_to_error"] } |
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211 | |
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212 | # prod (mail added for some action) |
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213 | """ |
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214 | "9000":["log_msg", "store_msg", "mail"], |
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215 | "9999":["log_msg", "store_msg", "set_sim_status_to_error", "mail"] } |
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216 | """ |
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217 | |
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218 | class Watcher(): |
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219 | |
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220 | @classmethod |
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221 | def start(cls): |
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222 | repo_io.init() # open DB connection |
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223 | |
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224 | @classmethod |
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225 | def stop(cls): |
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226 | repo_io.free() # close DB connection |
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227 | |
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228 | @classmethod |
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229 | def main(self): |
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230 | |
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231 | """ |
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232 | # parse args |
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233 | parser = argparse.ArgumentParser(prog='watcher') |
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234 | parser.add_argument('-v', dest='verbose',required=False,action='store_true') |
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235 | args = parser.parse_args() |
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236 | |
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237 | # check |
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238 | if not os.path.exists(SMON.smon_home): |
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239 | sys.exit(1) |
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240 | |
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241 | SMON.init_singleton() |
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242 | """ |
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243 | |
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244 | credentials = pika.PlainCredentials(g__user, g__password) |
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245 | connection = pika.BlockingConnection(pika.ConnectionParameters(host=CSTE_BROKER_HOST,credentials=credentials,virtual_host="/prodiguer")) |
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246 | self.channel = connection.channel() |
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247 | |
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248 | logger.info("[*] Waiting for messages") |
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249 | |
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250 | def callback(ch, method, properties, raw_msg): |
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251 | |
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252 | # msg fmt: body:base64,file:base64 (no JSON here !!!) |
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253 | |
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254 | |
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255 | |
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256 | |
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257 | # first deserialization (no JSON here !!!) |
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258 | |
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259 | fields=raw_msg.split(",") |
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260 | |
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261 | l__tmp_dic={} |
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262 | |
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263 | for field in fields: |
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264 | |
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265 | # debug |
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266 | #logger.debug(" [x] Received %s"%field) |
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267 | |
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268 | splitted_field=field.split(":") |
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269 | |
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270 | key=splitted_field[0] |
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271 | val=splitted_field[1] |
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272 | |
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273 | l__tmp_dic[key]=val |
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274 | |
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275 | |
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276 | # debug |
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277 | #logger.debug(" [x] Received %s (encoded)" % l__tmp_dic["body"]) |
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278 | |
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279 | |
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280 | # base64 decode body |
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281 | base64_decoded_msg=base64.b64decode(l__tmp_dic["body"]) |
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282 | |
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283 | |
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284 | # debug |
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285 | #logger.debug(" [x] Received %s" % raw_msg) |
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286 | #logger.debug(" [x] Received %s (uudecoded)" % base64_decoded_msg ) |
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287 | #logger.debug(" [x] Received %s (uudecoded)" % base64_decoded_msg ) |
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288 | |
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289 | |
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290 | # message deserialization |
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291 | message=None |
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292 | try: |
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293 | JSON_msg=json.loads(base64_decoded_msg) |
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294 | message=smon.types.Message(JSON_msg) # all JSON object members will be available in smon.types.Message object |
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295 | |
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296 | # non working |
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297 | #logger.debug("DEB003 - %s"%message.type) |
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298 | |
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299 | # working |
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300 | #logger.debug("DEB009 - %s"%message.code) |
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301 | |
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302 | |
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303 | |
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304 | except Exception,e: |
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305 | |
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306 | logger.exception("ERR009 - exception occurs") |
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307 | |
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308 | Actions.log_debug("DEB021 - %s"%base64_decoded_msg) |
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309 | |
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310 | raise |
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311 | |
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312 | |
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313 | |
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314 | # manage config-card file which is attached to the "0000" code message (this file is base64 encoded and need to be unencoded) |
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315 | # |
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316 | if "file" in l__tmp_dic: |
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317 | |
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318 | # base64 decode file |
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319 | base64_decoded_file=base64.b64decode(l__tmp_dic["file"]) |
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320 | |
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321 | # add as msg attribute |
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322 | message.file=base64_decoded_file |
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323 | |
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324 | |
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325 | |
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326 | # execute actions |
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327 | try: |
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328 | # message code based action |
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329 | Actions.execActions(message) |
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330 | |
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331 | |
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332 | self.channel.basic_ack(delivery_tag = method.delivery_tag) # "msg acknowledgment" stuff |
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333 | |
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334 | |
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335 | except Exception,e: |
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336 | logger.exception("ERR019 - exception occurs") |
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337 | |
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338 | Actions.log_debug("DEB020 - %s"%base64_decoded_msg) |
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339 | |
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340 | raise |
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341 | |
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342 | |
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343 | # slow down consumer |
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344 | #time.sleep(0.5) |
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345 | |
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346 | #self.channel.queue_declare(queue='myqueue',durable=True) |
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347 | |
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348 | self.channel.basic_consume(callback, queue='myqueue') # do not set "no_ack=True" anymore here so to enable "msg acknowledgment" (i.e. no_ack default is false) |
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349 | |
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350 | self.channel.start_consuming() |
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351 | |
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352 | |
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353 | """ |
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354 | SMON.free_singleton() |
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355 | """ |
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356 | |
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357 | def signal_handler(signal, frame): |
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358 | logger.info("TERM signal received: exiting.") |
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359 | Watcher.channel.stop_consuming() |
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360 | Watcher.stop() |
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361 | sys.exit(0) |
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362 | |
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363 | if __name__ == '__main__': |
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364 | |
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365 | signal.signal(signal.SIGTERM, signal_handler) |
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366 | signal.signal(signal.SIGINT, signal_handler) |
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367 | |
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368 | try: |
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369 | |
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370 | Watcher.start() |
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371 | |
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372 | Watcher.main() |
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373 | |
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374 | Watcher.stop() |
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375 | |
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376 | sys.exit(0) |
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377 | |
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378 | except Exception, e: |
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379 | |
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380 | logger.exception("ERR904 - exception occurred") |
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381 | |
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382 | sys.exit(1) |
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383 | # vim: set ts=4 sw=4 : |
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