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annotate src/sat.sh @ 2307:8fa7edd0da24

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plugin Pubsub Hook: first draft: This new plugin allow to attach an external action to a Pubsub event (i.e. notification). Hook can be persitent accross restarts, or temporary (will be deleted on profile disconnection). Only Python files are handled for now. In the future, it may make sense to move hooks in a generic plugin which could be used by ad-hoc commands, messages, pubsub, etc.
author Goffi <goffi@goffi.org>
date Wed, 05 Jul 2017 15:05:47 +0200
parents 7a07f232e7cb
children a34b4fca16e2
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1 #!/bin/sh
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2
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3 DEBUG=""
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4 DAEMON=""
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5 PYTHON="python2"
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6
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7 kill_process() {
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8 # $1 is the file containing the PID to kill, $2 is the process name
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9 if [ -f $1 ]; then
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10 PID=`cat $1`
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11 if ps -p $PID > /dev/null; then
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12 printf "Terminating $2... "
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13 kill $PID
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14 while ps -p $PID > /dev/null; do
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15 sleep 0.2
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16 done
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17 printf "OK\n"
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18 else
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19 echo "No running process of ID $PID... removing PID file"
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20 rm -f $1
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21 fi
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22 else
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23 echo "$2 is probably not running (PID file doesn't exist)"
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24 fi
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25 }
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26
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27 #We use python to parse config files
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28 eval `"$PYTHON" << PYTHONEND
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29 from sat.core.constants import Const as C
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30 from sat.memory.memory import fixLocalDir
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31 from ConfigParser import SafeConfigParser
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32 from os.path import expanduser, join
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33 import sys
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34 import codecs
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35 import locale
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36
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37 sys.stdout = codecs.getwriter(locale.getpreferredencoding())(sys.stdout)
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38
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39 fixLocalDir() # XXX: tmp update code, will be removed in the future
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40
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41 config = SafeConfigParser(defaults=C.DEFAULT_CONFIG)
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42 try:
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43 config.read(C.CONFIG_FILES)
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44 except:
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45 print ("echo \"/!\\ Can't read main config ! Please check the syntax\";")
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46 print ("exit 1")
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47 sys.exit()
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48
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49 env=[]
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50 env.append("PID_DIR='%s'" % join(expanduser(config.get('DEFAULT', 'pid_dir')),''))
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51 env.append("LOG_DIR='%s'" % join(expanduser(config.get('DEFAULT', 'log_dir')),''))
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52 env.append("APP_NAME='%s'" % C.APP_NAME)
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53 env.append("APP_NAME_FILE='%s'" % C.APP_NAME_FILE)
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54 print ";".join(env)
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55 PYTHONEND
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56 `
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57 APP_NAME="$APP_NAME"
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58 PID_FILE="$PID_DIR$APP_NAME_FILE.pid"
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59 LOG_FILE="$LOG_DIR$APP_NAME_FILE.log"
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60 RUNNING_MSG="$APP_NAME is running"
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61 NOT_RUNNING_MSG="$APP_NAME is *NOT* running"
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62
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63 # if there is one argument which is "stop", then we kill SàT
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64 if [ $# -eq 1 ];then
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65 if [ $1 = "stop" ];then
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66 kill_process $PID_FILE "$APP_NAME"
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67 exit 0
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68 elif [ $1 = "debug" ];then
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69 echo "Launching $APP_NAME in debug mode"
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70 DEBUG="--debug"
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71 elif [ $1 = "fg" ];then
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72 echo "Launching $APP_NAME in foreground mode"
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73 DAEMON="n"
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74 elif [ $1 = "status" ];then
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75 if [ -f $PID_FILE ]; then
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76 PID=`cat $PID_FILE`
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77 ps -p$PID 2>&1 > /dev/null
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78 if [ $? = 0 ];then
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79 echo "$RUNNING_MSG (pid: $PID)"
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80 exit 0
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81 else
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82 echo "$NOT_RUNNING_MSG, but a pid file is present (bad exit ?): $PID_FILE"
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83 exit 2
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84 fi
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85 else
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86 echo "$NOT_RUNNING_MSG"
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87 exit 1
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88 fi
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89 else
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90 echo "bad argument, please use one of (stop, debug, fg, status) or no argument"
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91 exit 1
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92 fi
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93 fi
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94
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95 MAIN_OPTIONS="-${DAEMON}o"
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96
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97 #Don't change the next lines
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98 AUTO_OPTIONS=""
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99 ADDITIONAL_OPTIONS="--pidfile $PID_FILE --logfile $LOG_FILE $AUTO_OPTIONS $DEBUG"
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100
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101 log_dir=`dirname "$LOG_FILE"`
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102 if [ ! -d $log_dir ] ; then
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103 mkdir $log_dir
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104 fi
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105
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106 exec twistd $MAIN_OPTIONS $ADDITIONAL_OPTIONS $APP_NAME_FILE