#!/usr/bin/env bash
# ======================================================================
#
# Check filesystem errors
#
#
# requirements:
# - sudo permission on /bin/journalctl
#
# ----------------------------------------------------------------------
# 2021-03-23  v1.0  <axel.hahn@iml.unibe.ch>
# 2021-03-30  v1.1  <axel.hahn@iml.unibe.ch>  max age of detected errors: since yesterday (commented)
# ======================================================================


. `dirname $0`/inc_pluginfunctions


# ----------------------------------------------------------------------
# functions
# ----------------------------------------------------------------------

function showHelp(){
cat <<EOF
______________________________________________________________________

CHECK_FS_ERRORS check if kernel logs inconsistency messages

(c) Institute for Medical Education - University of Bern
Licence: GNU GPL 3
______________________________________________________________________


SYNTAX:
`basename $0` [-h]

OPTIONS:

    -h or --help   show this help.

PARAMETERS:

    none

EXAMPLE:
`basename $0`

EOF
}
# ----------------------------------------------------------------------
# MAIN
# ----------------------------------------------------------------------

# --- check required tools
# ph.require bc top


# --- check param -h
case "$1" in
    "--help"|"-h")
        showHelp
        exit 0
        ;;
    *)
esac


# ----- MAKE CHECK

# sincedate=$( date +%Y-%m-%d --date 'yesterday' )
# out=$( sudo /bin/journalctl --since $sincedate | grep 'kernel: ' | grep -v 'check_fs_errors' | grep -E '(error|fail)' | grep 'inconsistent' )
out=$( sudo /bin/journalctl | grep 'kernel: ' | grep -v 'check_fs_errors' | grep -E '(error|fail)' | grep 'inconsistent' )
test ! -z "$out" && ph.setStatus "critical"


# ----- OUTPUT

ph.status "check if kernel logs inconsistency messages"
echo $out


# ----- CLEANUP AND BYE!

ph.exit

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