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author Marcin Kuzminski <marcin@python-works.com>
date Sat, 06 Nov 2010 16:16:44 +0100
parents 207f5f4d3f93
children
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1 #!/bin/sh -e
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2 # ============================================
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3 # celeryd - Starts the Celery worker daemon.
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4 # ============================================
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5 #
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6 # :Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}
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7 #
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8 # :Configuration file: /etc/default/celeryd
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9 #
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10 # To configure celeryd you probably need to tell it where to chdir.
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11 #
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12 # EXAMPLE CONFIGURATION
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13 # =====================
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14 #
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15 # this is an example configuration for a Python project:
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16 #
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17 # /etc/default/celeryd:
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18 #
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19 # # Where to chdir at start.
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20 # CELERYD_CHDIR="/opt/Myproject/"
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21 #
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22 # # Extra arguments to celeryd
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23 # CELERYD_OPTS="--time-limit 300"
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24 #
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25 # # Name of the celery config module.#
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26 # CELERY_CONFIG_MODULE="celeryconfig"
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27 #
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28 # EXAMPLE DJANGO CONFIGURATION
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29 # ============================
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30 #
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31 # # Where the Django project is.
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32 # CELERYD_CHDIR="/opt/Project/"
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33 #
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34 # # Name of the projects settings module.
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35 # DJANGO_SETTINGS_MODULE="settings"
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36 #
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37 # # Path to celeryd
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38 # CELERYD="/opt/Project/manage.py celeryd"
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39 #
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40 # AVAILABLE OPTIONS
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41 # =================
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42 #
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43 # * CELERYD_OPTS
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44 # Additional arguments to celeryd, see ``celeryd --help`` for a list.
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45 #
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46 # * CELERYD_CHDIR
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47 # Path to chdir at start. Default is to stay in the current directory.
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48 #
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49 # * CELERYD_PIDFILE
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50 # Full path to the pidfile. Default is /var/run/celeryd.pid.
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51 #
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52 # * CELERYD_LOGFILE
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53 # Full path to the celeryd logfile. Default is /var/log/celeryd.log
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54 #
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55 # * CELERYD_LOG_LEVEL
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56 # Log level to use for celeryd. Default is INFO.
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57 #
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58 # * CELERYD
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59 # Path to the celeryd program. Default is ``celeryd``.
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60 # You can point this to an virtualenv, or even use manage.py for django.
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61 #
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62 # * CELERYD_USER
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63 # User to run celeryd as. Default is current user.
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64 #
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65 # * CELERYD_GROUP
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66 # Group to run celeryd as. Default is current user.
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67
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68
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69 ### BEGIN INIT INFO
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70 # Provides: celeryd
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71 # Required-Start: $network $local_fs $remote_fs
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72 # Required-Stop: $network $local_fs $remote_fs
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73 # Default-Start: 2 3 4 5
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74 # Default-Stop: 0 1 6
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75 # Short-Description: celery task worker daemon
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76 ### END INIT INFO
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77
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78 set -e
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79 CELERYD_CHDIR="/opt/Myproject/"
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80 CELERYD_PID_FILE="/var/run/celeryd.pid"
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81 CELERYD_LOG_FILE="/var/log/celeryd.log"
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82 CELERYD_LOG_LEVEL="DEBUG"
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83 DEFAULT_CELERYD="/home/v-env/celeryd"
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84
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85 # /etc/init.d/ssh: start and stop the celery task worker daemon.
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86
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87 if test -f /etc/default/celeryd; then
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88 . /etc/default/celeryd
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89 fi
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90
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91 CELERYD=${CELERYD:-$DEFAULT_CELERYD}
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92
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93 export CELERY_LOADER
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94
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95 . /lib/lsb/init-functions
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96
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97 CELERYD_OPTS="$CELERYD_OPTS -f $CELERYD_LOG_FILE -l $CELERYD_LOG_LEVEL"
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98
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99 if [ -n "$2" ]; then
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100 CELERYD_OPTS="$CELERYD_OPTS $2"
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101 fi
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102
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103 # Extra start-stop-daemon options, like user/group.
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104 if [ -n "$CELERYD_USER" ]; then
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105 DAEMON_OPTS="$DAEMON_OPTS --chuid $CELERYD_USER"
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106 fi
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107 if [ -n "$CELERYD_GROUP" ]; then
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108 DAEMON_OPTS="$DAEMON_OPTS --group $CELERYD_GROUP"
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109 fi
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110
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111 if [ -n "$CELERYD_CHDIR" ]; then
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112 DAEMON_OPTS="$DAEMON_OPTS --chdir $CELERYD_CHDIR"
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113 fi
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114
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115
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116 # Are we running from init?
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117 run_by_init() {
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118 ([ "$previous" ] && [ "$runlevel" ]) || [ "$runlevel" = S ]
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119 }
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120
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121
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122 check_dev_null() {
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123 if [ ! -c /dev/null ]; then
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124 if [ "$1" = log_end_msg ]; then
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125 log_end_msg 1 || true
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126 fi
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127 if ! run_by_init; then
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128 log_action_msg "/dev/null is not a character device!"
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129 fi
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130 exit 1
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131 fi
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132 }
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133
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134
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135 export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"
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136
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137
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138 stop_worker () {
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139 cmd="start-stop-daemon --stop \
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140 --quiet \
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141 $* \
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142 --pidfile $CELERYD_PID_FILE"
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143 if $cmd; then
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144 log_end_msg 0
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145 else
207f5f4d3f93 created folder for init.d scripts
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146 log_end_msg 1
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147 fi
207f5f4d3f93 created folder for init.d scripts
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148 }
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149
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150 start_worker () {
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151 cmd="start-stop-daemon --start $DAEMON_OPTS \
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152 --quiet \
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153 --oknodo \
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154 --background \
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155 --make-pidfile \
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156 $* \
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157 --pidfile $CELERYD_PID_FILE
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158 --exec $CELERYD -- $CELERYD_OPTS"
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159 if $cmd; then
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160 log_end_msg 0
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161 else
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162 log_end_msg 1
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163 fi
207f5f4d3f93 created folder for init.d scripts
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164 }
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165
207f5f4d3f93 created folder for init.d scripts
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166
207f5f4d3f93 created folder for init.d scripts
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167
207f5f4d3f93 created folder for init.d scripts
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168 case "$1" in
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169 start)
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170 check_dev_null
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171 log_daemon_msg "Starting celery task worker server" "celeryd"
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172 start_worker
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173 ;;
207f5f4d3f93 created folder for init.d scripts
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174 stop)
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175 log_daemon_msg "Stopping celery task worker server" "celeryd"
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176 stop_worker --oknodo
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177 ;;
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178
207f5f4d3f93 created folder for init.d scripts
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179 reload|force-reload)
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180 echo "Use start+stop"
207f5f4d3f93 created folder for init.d scripts
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181 ;;
207f5f4d3f93 created folder for init.d scripts
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182
207f5f4d3f93 created folder for init.d scripts
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183 restart)
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184 log_daemon_msg "Restarting celery task worker server" "celeryd"
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185 stop_worker --oknodo --retry 30
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186 check_dev_null log_end_msg
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187 start_worker
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188 ;;
207f5f4d3f93 created folder for init.d scripts
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189
207f5f4d3f93 created folder for init.d scripts
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190 try-restart)
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191 log_daemon_msg "Restarting celery task worker server" "celeryd"
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192 set +e
207f5f4d3f93 created folder for init.d scripts
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193 stop_worker --retry 30
207f5f4d3f93 created folder for init.d scripts
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194 RET="$?"
207f5f4d3f93 created folder for init.d scripts
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195 set -e
207f5f4d3f93 created folder for init.d scripts
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196 case $RET in
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197 0)
207f5f4d3f93 created folder for init.d scripts
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198 # old daemon stopped
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199 check_dev_null log_end_msg
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200 start_worker
207f5f4d3f93 created folder for init.d scripts
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201 ;;
207f5f4d3f93 created folder for init.d scripts
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202 1)
207f5f4d3f93 created folder for init.d scripts
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203 # daemon not running
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204 log_progress_msg "(not running)"
207f5f4d3f93 created folder for init.d scripts
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205 log_end_msg 0
207f5f4d3f93 created folder for init.d scripts
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parents:
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206 ;;
207f5f4d3f93 created folder for init.d scripts
Marcin Kuzminski <marcin@python-works.com>
parents:
diff changeset
207 *)
207f5f4d3f93 created folder for init.d scripts
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parents:
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208 # failed to stop
207f5f4d3f93 created folder for init.d scripts
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parents:
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209 log_progress_msg "(failed to stop)"
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
210 log_end_msg 1
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
211 ;;
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
212 esac
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
213 ;;
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
214
207f5f4d3f93 created folder for init.d scripts
Marcin Kuzminski <marcin@python-works.com>
parents:
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215 status)
207f5f4d3f93 created folder for init.d scripts
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216 status_of_proc -p $CELERYD_PID_FILE $CELERYD celeryd && exit 0 || exit $?
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
217 ;;
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
218
207f5f4d3f93 created folder for init.d scripts
Marcin Kuzminski <marcin@python-works.com>
parents:
diff changeset
219 *)
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220 log_action_msg "Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}"
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parents:
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221 exit 1
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
222 esac
207f5f4d3f93 created folder for init.d scripts
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parents:
diff changeset
223
207f5f4d3f93 created folder for init.d scripts
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parents:
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224 exit 0