src/initscripts/packages/amazon-ssm-agent

   1 #!/bin/sh
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 . /etc/sysconfig/rc
  23 . ${rc_functions}
  24
  25 case "${1}" in
  26         start)
  27                 # Do not launch the agent when we are not running on EC2
  28                 if ! running_on_ec2; then
  29                         exit 0
  30                 fi
  31
  32                 # Allow the kernel to overcommit memory.
  33                 # The SSM agent fails to clone() itself when there is
  34                 # "not enough memory" available. This simply seems to
  35                 # fail no matter how much free memory is available.
  36                 echo 1 > /proc/sys/vm/overcommit_memory
  37
  38                 boot_mesg "Starting Amazon SSM Agent..."
  39                 /usr/bin/amazon-ssm-agent &>/dev/null &
  40                 evaluate_retval
  41                 ;;
  42
  43         stop)
  44                 boot_mesg "Stopping Amazon SSM Agent..."
  45                 killproc /usr/bin/amazon-ssm-agent
  46                 ;;
  47
  48         restart)
  49                 ${0} stop
  50                 sleep 1
  51                 ${0} start
  52                 ;;
  53
  54         status)
  55                 statusproc /usr/bin/amazon-ssm-agent
  56                 ;;
  57
  58         *)
  59                 echo "Usage: ${0} {start|stop|restart|status}"
  60                 exit 1
  61                 ;;
  62 esac