[854] | 1 | #!/usr/bin/env python |
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[840] | 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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[854] | 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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[857] | 19 | import signal |
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[854] | 20 | import traceback |
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| 21 | import smtplib |
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| 22 | from email.mime.text import MIMEText |
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[857] | 23 | from datetime import datetime |
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[840] | 24 | |
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[865] | 25 | # line below is to include "smon" package in the search path |
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| 26 | sys.path.append("/home/jripsl/snapshot/Monitoring") |
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[857] | 27 | |
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[866] | 28 | import smon.repo_io as repo_io |
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| 29 | import smon.types |
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[857] | 30 | |
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[875] | 31 | |
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[859] | 32 | class Mail(): |
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[857] | 33 | |
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[840] | 34 | @classmethod |
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[854] | 35 | def mail_example(cls): |
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| 36 | me="jripsl@ipsl.jussieu.fr" |
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| 37 | you="jripsl@ipsl.jussieu.fr" |
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| 38 | body="Alarm" |
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| 39 | object="Supervisor" |
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| 40 | |
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| 41 | cls.mail(me,you,object,body) |
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| 42 | |
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| 43 | @classmethod |
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| 44 | def send_mail(cls,me,you,object,body): |
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| 45 | msg = MIMEText(body) |
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| 46 | msg['Subject'] = object |
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| 47 | msg['From'] = me |
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| 48 | msg['To'] = you |
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| 49 | |
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| 50 | # Send the message via our own SMTP server, but don't include the # envelope header. |
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| 51 | s = smtplib.SMTP('localhost') |
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| 52 | s.sendmail(me,[you], msg.as_string()) |
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| 53 | s.quit() |
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| 54 | |
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[859] | 55 | class Actions(): |
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| 56 | |
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[854] | 57 | @classmethod |
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[866] | 58 | def store_msg(cls,message): |
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| 59 | repo_io.create_message(message) |
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[859] | 60 | |
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| 61 | @classmethod |
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[875] | 62 | def cleanup(cls,message): |
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| 63 | repo_io.cleanup() # truncate/delete everything |
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| 64 | |
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| 65 | @classmethod |
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[866] | 66 | def set_sim_status_to_error(cls,message): |
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[859] | 67 | |
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[875] | 68 | s=repo_io.retrieve_simulation(message.simuid) |
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| 69 | |
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| 70 | s.status="error" |
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| 71 | |
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| 72 | repo_io.update_simulation_status(s) |
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| 73 | |
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[859] | 74 | @classmethod |
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[875] | 75 | def set_sim_status_to_complete(cls,message): |
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| 76 | |
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| 77 | s=repo_io.retrieve_simulation(message.simuid) |
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| 78 | |
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| 79 | s.status="complete" |
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| 80 | |
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| 81 | repo_io.update_simulation_status(s) |
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| 82 | |
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| 83 | @classmethod |
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[866] | 84 | def crea_sim(cls,message): |
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| 85 | |
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[859] | 86 | #repo_io.retrieve_simulation(name) |
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| 87 | #repo_io.delete_simulation(name) |
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| 88 | |
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[875] | 89 | simulation=smon.types.Simulation(name=message.simuid,status="running") |
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[866] | 90 | |
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| 91 | repo_io.create_simulation(simulation) |
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| 92 | |
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[859] | 93 | @classmethod |
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| 94 | def mail(cls): |
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| 95 | cls.mail_example() |
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| 96 | |
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| 97 | @classmethod |
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[857] | 98 | def print_stdout(cls,message): |
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| 99 | # used for debug |
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| 100 | |
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[875] | 101 | if message.file is not None: |
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[876] | 102 | print "%s %s %s %s %s\n"%(message.code,message.jobid,message.command,message.timestamp,message.file) |
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[857] | 103 | else: |
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[876] | 104 | print "%s %s %s %s\n"%(message.code,message.jobid,message.command,message.timestamp) |
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[857] | 105 | |
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| 106 | @classmethod |
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[854] | 107 | def log(cls,message): |
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| 108 | with open("/home/jripsl/supervisor/log/supervisor.log", "a") as log_file: |
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[876] | 109 | log_file.write("%s %s %s %s %s\n"%(datetime.now().strftime('%Y%m%d_%H%M%S'), message.code,message.jobid,message.timestamp,message.command)) |
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[854] | 110 | |
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| 111 | @classmethod |
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| 112 | def execActions(cls,message): |
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| 113 | |
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[866] | 114 | message_code=message.code |
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[854] | 115 | |
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[859] | 116 | for action in MessageActionsMapping.mapping[message_code]: |
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[854] | 117 | proc_name=action |
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| 118 | |
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| 119 | try: |
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[859] | 120 | getattr(Actions, proc_name)(message) |
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[854] | 121 | except Exception,e: |
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| 122 | traceback.print_exc() |
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| 123 | |
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| 124 | raise Exception("WATCH-ERR002","procedure error (%s,%s)"%(proc_name,str(e))) |
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| 125 | |
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[859] | 126 | class MessageActionsMapping(): |
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| 127 | |
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[875] | 128 | # debug |
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[876] | 129 | mapping = { "0000":["log", "store_msg", "print_stdout", "crea_sim"], |
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| 130 | "0100":["log", "store_msg", "print_stdout", "set_sim_status_to_complete"], |
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| 131 | "1000":["log", "store_msg", "print_stdout"], |
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| 132 | "1100":["log", "store_msg", "print_stdout"], |
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| 133 | "2000":["log", "store_msg", "print_stdout"], |
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| 134 | "3000":["log", "store_msg", "print_stdout"], |
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[875] | 135 | "8888":["cleanup"], |
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[876] | 136 | "9000":["log", "store_msg", "print_stdout"], |
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| 137 | "9999":["log", "store_msg", "print_stdout", "set_sim_status_to_error"] } |
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[875] | 138 | |
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| 139 | # prod |
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| 140 | """ |
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[859] | 141 | mapping = { "0000":["log", "store_msg", "crea_sim"], |
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[875] | 142 | "0100":["log", "store_msg", "set_sim_status_to_complete"], |
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[859] | 143 | "1000":["log", "store_msg"], |
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[875] | 144 | "1100":["log", "store_msg"], |
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[859] | 145 | "2000":["log", "store_msg"], |
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| 146 | "3000":["log", "store_msg"], |
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[875] | 147 | "8888":["cleanup"], |
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[859] | 148 | "9000":["log", "store_msg", "mail"], |
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| 149 | "9999":["log", "store_msg", "set_sim_status_to_error", "mail"] } |
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[875] | 150 | """ |
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[859] | 151 | |
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| 152 | class Watcher(): |
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| 153 | |
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[857] | 154 | @classmethod |
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[859] | 155 | def start(cls): |
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[871] | 156 | repo_io.init() # open DB connection |
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[859] | 157 | |
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| 158 | @classmethod |
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| 159 | def stop(cls): |
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[871] | 160 | repo_io.free() # close DB connection |
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[859] | 161 | |
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| 162 | @classmethod |
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[857] | 163 | def main(self): |
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[840] | 164 | |
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[857] | 165 | """ |
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| 166 | # parse args |
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| 167 | parser = argparse.ArgumentParser(prog='watcher') |
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| 168 | parser.add_argument('-v', dest='verbose',required=False,action='store_true') |
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| 169 | args = parser.parse_args() |
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[840] | 170 | |
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[857] | 171 | # check |
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| 172 | if not os.path.exists(SMON.smon_home): |
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| 173 | sys.exit(1) |
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[840] | 174 | |
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[857] | 175 | SMON.init_singleton() |
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| 176 | """ |
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[840] | 177 | |
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[857] | 178 | connection = pika.BlockingConnection(pika.ConnectionParameters( host='localhost')) |
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| 179 | self.channel = connection.channel() |
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[840] | 180 | |
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[857] | 181 | #self.channel.queue_declare(queue='myqueue') |
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[854] | 182 | |
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[857] | 183 | print ' [*] Waiting for messages. To exit press CTRL+C' |
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[854] | 184 | |
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[857] | 185 | def callback(ch, method, properties, raw_msg): |
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[854] | 186 | |
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[866] | 187 | # msg fmt: body:base64,file:base64 (no JSON here !!!) |
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[854] | 188 | |
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[866] | 189 | |
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| 190 | |
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| 191 | |
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| 192 | # first deserialization (no JSON here !!!) |
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| 193 | |
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| 194 | fields=raw_msg.split(",") |
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| 195 | |
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| 196 | l__tmp_dic={} |
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| 197 | |
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| 198 | for field in fields: |
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| 199 | |
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| 200 | # debug |
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[871] | 201 | #print " [x] Received %s" % field |
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[866] | 202 | |
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| 203 | splitted_field=field.split(":") |
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| 204 | |
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| 205 | key=splitted_field[0] |
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| 206 | val=splitted_field[1] |
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| 207 | |
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| 208 | l__tmp_dic[key]=val |
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| 209 | |
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| 210 | |
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[857] | 211 | # debug |
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[871] | 212 | #print " [x] Received %s (encoded)" % l__tmp_dic["body"] |
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[866] | 213 | |
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| 214 | |
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| 215 | # base64 decode body |
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| 216 | base64_decoded_msg=base64.b64decode(l__tmp_dic["body"]) |
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| 217 | |
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| 218 | |
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| 219 | # debug |
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[857] | 220 | #print " [x] Received %s" % raw_msg |
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| 221 | #print " [x] Received %s (uudecoded)" % base64_decoded_msg |
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[871] | 222 | #print " [x] Received %s (uudecoded)" % base64_decoded_msg |
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[854] | 223 | |
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[866] | 224 | |
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[871] | 225 | # message deserialization |
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[857] | 226 | message=None |
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| 227 | try: |
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[866] | 228 | JSON_msg=json.loads(base64_decoded_msg) |
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| 229 | message=smon.types.Message(JSON_msg) # all JSON object members will be available in smon.types.Message object |
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[854] | 230 | |
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[866] | 231 | |
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| 232 | |
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[871] | 233 | except Exception,e: |
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| 234 | print "ERR009 - exception occurs (exception=%s,msg=%s)"%(str(e),base64_decoded_msg) |
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[866] | 235 | |
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[875] | 236 | traceback.print_exc() |
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| 237 | raise |
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[871] | 238 | |
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| 239 | |
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| 240 | |
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| 241 | # manage config-card file which is attached to the "0000" type message (this file is base64 encoded and need to be unencoded) |
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| 242 | # |
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| 243 | if "file" in l__tmp_dic: |
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| 244 | |
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| 245 | # base64 decode file |
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| 246 | base64_decoded_file=base64.b64decode(l__tmp_dic["file"]) |
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| 247 | |
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| 248 | # add as msg attribute |
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| 249 | message.file=base64_decoded_file |
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| 250 | |
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| 251 | |
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| 252 | |
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| 253 | # execute actions |
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| 254 | try: |
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[857] | 255 | # message code based action |
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[875] | 256 | Actions.execActions(message) |
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| 257 | |
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[857] | 258 | except Exception,e: |
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[871] | 259 | print "ERR019 - exception occurs (exception=%s,msg=%s)"%(str(e),base64_decoded_msg) |
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[854] | 260 | |
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[871] | 261 | traceback.print_exc() |
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[866] | 262 | |
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| 263 | raise |
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| 264 | |
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[871] | 265 | |
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[875] | 266 | # slow down consumer |
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| 267 | #time.sleep(0.5) |
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[871] | 268 | |
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[875] | 269 | |
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[857] | 270 | self.channel.basic_consume(callback, queue='myqueue', no_ack=True) |
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[854] | 271 | |
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[857] | 272 | self.channel.start_consuming() |
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[840] | 273 | |
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[857] | 274 | |
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| 275 | """ |
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| 276 | SMON.free_singleton() |
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| 277 | """ |
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| 278 | |
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| 279 | def signal_handler(signal, frame): |
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| 280 | print 'You pressed Ctrl+C!' |
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| 281 | Watcher.channel.stop_consuming() |
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[875] | 282 | Watcher.stop() |
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[857] | 283 | sys.exit(0) |
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| 284 | |
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[840] | 285 | if __name__ == '__main__': |
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[857] | 286 | |
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| 287 | signal.signal(signal.SIGINT, signal_handler) |
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| 288 | |
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[840] | 289 | try: |
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[875] | 290 | |
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| 291 | Watcher.start() |
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| 292 | |
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[857] | 293 | Watcher.main() |
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[840] | 294 | |
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[875] | 295 | Watcher.stop() |
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| 296 | |
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[840] | 297 | sys.exit(0) |
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| 298 | |
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| 299 | except Exception, e: |
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| 300 | |
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[875] | 301 | traceback.print_exc() |
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[840] | 302 | |
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| 303 | sys.exit(1) |
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