tools/k8s/heat/scripts/k8s_vm_init_serv.sh

   1 #!/bin/sh
   2 ################################################################################
   3 #   Copyright (c) 2019 AT&T Intellectual Property.                             #
   4 #   Copyright (c) 2019 Nokia.                                                  #
   5 #                                                                              #
   6 #   Licensed under the Apache License, Version 2.0 (the "License");            #
   7 #   you may not use this file except in compliance with the License.           #
   8 #   You may obtain a copy of the License at                                    #
   9 #                                                                              #
  10 #       http://www.apache.org/licenses/LICENSE-2.0                             #
  11 #                                                                              #
  12 #   Unless required by applicable law or agreed to in writing, software        #
  13 #   distributed under the License is distributed on an "AS IS" BASIS,          #
  14 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
  15 #   See the License for the specific language governing permissions and        #
  16 #   limitations under the License.                                             #
  17 ################################################################################
  18 ### BEGIN INIT INFO
  19 # Provides:          k8s_vm_init.sh
  20 # Required-Start:    $remote_fs $syslog
  21 # Required-Stop:     $remote_fs $syslog
  22 # Default-Start:     2 3 4 5
  23 # Default-Stop:      0 1 6
  24 # Short-Description: Start daemon at boot time
  25 # Description:       Enable service provided by daemon.
  26 ### END INIT INFO
  27
  28 echo "k8s_vm_init_serv.sh"
  29
  30
  31 dir="/opt"
  32 cmd="./k8s_vm_init.sh"
  33 user="root"
  34
  35 name=`basename $0`
  36 pid_file="/var/run/$name.pid"
  37 stdout_log="/var/log/$name.log"
  38 stderr_log="/var/log/$name.err"
  39
  40 get_pid() {
  41     cat "$pid_file"
  42 }
  43
  44 is_running() {
  45     [ -f "$pid_file" ] && ps `get_pid` > /dev/null 2>&1
  46 }
  47
  48 case "$1" in
  49     start)
  50     if is_running; then
  51         echo "Already started"
  52     else
  53         echo "Starting $name"
  54         cd "$dir"
  55         if [ -z "$user" ]; then
  56             sudo $cmd >> "$stdout_log" 2>> "$stderr_log" &
  57         else
  58             sudo -u "$user" $cmd >> "$stdout_log" 2>> "$stderr_log" &
  59         fi
  60         echo $! > "$pid_file"
  61         if ! is_running; then
  62             echo "Unable to start, see $stdout_log and $stderr_log"
  63             exit 1
  64         fi
  65     fi
  66     ;;
  67     stop)
  68     if is_running; then
  69         echo -n "Stopping $name.."
  70         kill `get_pid`
  71         for i in {1..10}
  72         do
  73             if ! is_running; then
  74                 break
  75             fi
  76
  77             echo -n "."
  78             sleep 1
  79         done
  80         echo
  81
  82         if is_running; then
  83             echo "Not stopped; may still be shutting down or shutdown may have failed"
  84             exit 1
  85         else
  86             echo "Stopped"
  87             if [ -f "$pid_file" ]; then
  88                 rm "$pid_file"
  89             fi
  90         fi
  91     else
  92         echo "Not running"
  93     fi
  94     ;;
  95     restart)
  96     $0 stop
  97     if is_running; then
  98         echo "Unable to stop, will not attempt to start"
  99         exit 1
 100     fi
 101     $0 start
 102     ;;
 103     status)
 104     if is_running; then
 105         echo "Running"
 106     else
 107         echo "Stopped"
 108         exit 1
 109     fi
 110     ;;
 111     *)
 112     echo "Usage: $0 {start|stop|restart|status}"
 113     exit 1
 114     ;;
 115 esac
 116
 117 exit 0