automation/ansible/roles/common-node/files/readonly_root_reboot.sh

   1 #!/usr/bin/bash
   2
   3 IFS=',' read -r -a OPTIONS < <(findmnt --json / | jq -r '.[][0]["options"]')
   4 RO=
   5 for OPTION in "${OPTIONS[@]}" ; do
   6     if [[ "${OPTION}" == "ro" ]] ; then
   7         RO=0
   8         break
   9     fi
  10 done
  11
  12 if [[ "${RO}" == "0" ]] ; then
  13     echo "'/' is mounted read-only, rebooting"
  14     shutdown -r "+1"
  15 fi