dsa-check-statusfile: port to python3

[mirror/dsa-nagios.git] / dsa-nagios-checks / checks / dsa-check-file_age

diff --git a/dsa-nagios-checks/checks/dsa-check-file_age b/dsa-nagios-checks/checks/dsa-check-file_age
index 569504d..f607407 100755 (executable)
--- a/dsa-nagios-checks/checks/dsa-check-file_age
+++ b/dsa-nagios-checks/checks/dsa-check-file_age
@@ -2,6 +2,7 @@
 # vim: set fileencoding=utf-8 ai noet sts=8 sw=8 tw=0:
 #
 # Copyright © 2009 Stephen Gran <sgran@debian.org>
+# Copyright © 2017 Peter Palfrader
 #
 # Permission is hereby granted, free of charge, to any person obtaining
 # a copy of this software and associated documentation files (the
@@ -25,6 +26,11 @@
 FILE=''
 INTERVAL=60
 EXIT=0
+ZEROFAIL=''
+FOLLOW=''
+
+set -e
+set -u
 
 usage(){
        ret=$1
@@ -38,33 +44,73 @@ $0: usage:
 
        -h      This help message
        -i      Interval in minutes at which to alert
+       -z      Empty files are not OK
+       -L      Follow symlinks
        -f      File to check
 EOF
 
        exit $ret
 }
 
-while getopts f:i:h opt ; do
+while getopts f:i:hzL opt ; do
        case "$opt" in
                f) FILE="$OPTARG" ;;
                i) INTERVAL="$OPTARG" ;;
+               z) ZEROFAIL="1" ;;
+               L) FOLLOW="-L" ;;
                h) usage 0
        esac
 done
+shift $(($OPTIND - 1))
+
 
-if [ -z "$FILE" ]; then
+if [ -z "$FILE" ] && [ "$#" = 0 ]; then
        echo "Need file argument!" >&2
        usage 3
 fi
 
-if [ ! -r "$FILE" ]; then
-       printf "state file %s is missing or unreadable\n" $FILE
-       exit 2
+if [ -n "$FILE" ]; then
+       set dummy "$FILE" "$@"
+       shift
 fi
 
-if [ "$(( $( date +%s ) - $(stat -c %Y $FILE) ))" -gt "$(( $INTERVAL * 60 ))" ]; then
-       printf "state file %s is older than %d minutes\n" $FILE $INTERVAL
-       exit 2
-fi
+msg=""
+ok=""
+failed=""
+total=0
+
+while [ "$#" -gt 0 ]; do
+       f="$1"; shift
+       total=$((total + 1))
 
-printf "state file %s OK: updated on %s\n" $FILE "$(stat -c %y $FILE)"
+       if [ ! -e "$f" ]; then
+               msg="${msg}state file $f is missing or unreadable\n"
+               EXIT=2
+               failed="$f $failed"
+       elif [ -n "$ZEROFAIL" ] && ! [ -s "$f" ]; then
+               msg="${msg}state file $f is empty\n"
+               EXIT=2
+               failed="$f $failed"
+       elif [ "$(( $( date +%s ) - $(stat $FOLLOW -c %Y "$f") ))" -gt "$(( $INTERVAL * 60 ))" ]; then
+               msg="${msg}state file $f is older than $INTERVAL minutes (updated on $(stat $FOLLOW -c %y "$f"))\n"
+               EXIT=2
+               failed="$f $failed"
+       else
+               msg="${msg}state file $f OK: updated on $(stat $FOLLOW -c %y "$f")\n"
+               ok="$f $ok"
+       fi
+done
+
+if [ "$total" = 1 ]; then
+       echo -n $msg
+else
+       if [ -n "$failed" ]; then
+               echo -n "FAIL: $failed "
+       fi
+       if [ -n "$ok" ]; then
+               echo -n "OK: $ok "
+       fi
+       echo
+       echo -n $msg
+fi
+exit $EXIT