check_reboot_required

#!/bin/bash
# ======================================================================
#
# NAGIOS CLIENT CHECK :: is a restart required?
#
# ----------------------------------------------------------------------
# works for sure on
# - centos7
# - debian6,7
# - ubuntu10,12
# ----------------------------------------------------------------------
# 2016-08-12  added ouput of packages
# 2020-03-05  v1.2  <axel.hahn@iml.unibe.ch> switch to ph.* helper functions
# ======================================================================


. `dirname $0`/inc_pluginfunctions
distro=`ph.getOS`

# ----------------------------------------------------------------------
case $distro in

  "centos")
    currentkernel=`uname -r`
    out=`rpm -q --last kernel | head -1 | fgrep $currentkernel`
    if [ -z "$out" ]; then
      ph.setStatus "warning"
      ph.status "[$distro] need to reboot for kernel `rpm -q --last kernel | head -1` (current: $currentkernel)"
    else
      ph.status "[$distro] no reboot required (kernel is up to date: $currentkernel)"
    fi
    ;;

  "debian"|"ubuntu")
  
    if [ ! -f /var/run/reboot-required ]; then
        ph.status "[$distro] no reboot required"
    else
        ph.setStatus "warning"
        ph.status "[$distro] `cat /var/run/reboot-required` by `tr '\n' ',' </var/run/reboot-required.pkgs`"
    fi
    ;;

  *)
    ph.abort "UNKNOWN: distro [$distro] was detected but is not supported (yet)."
    ;; 
esac

ph.exit

# ----------------------------------------------------------------------