initial commit
This commit is contained in:
Moritz Rudert (helios)
208
check_sftp_disk
Executable file
208
check_sftp_disk
Executable file
@@ -0,0 +1,208 @@
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#! /bin/bash
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PROGNAME="$(basename "$0")"
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REVISION="0.1"
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. "$(dirname "$0")/utils.sh"
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print_usage() {
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echo "Usage: $PROGNAME -w <limit> -c <limit> [<options>] <host>"
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}
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print_help() {
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print_revision $PROGNAME $REVISION
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echo ""
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print_usage
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echo ""
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cat <<EOF
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This plugin checks remote disk space/quota via SFTP.
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Options:
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-h, --help
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Print detailed help screen
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-w, --warning=INTEGER
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Exit with WARNING status if less than INTEGER units of disk are free
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-w, --warning=PERCENT%
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Exit with WARNING status if less than PERCENT of disk space is free
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-c, --critical=INTEGER
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Exit with CRITICAL status if less than INTEGER units of disk are free
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-c, --critical=PERCENT%
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Exit with CRITCAL status if less than PERCENT of disk space is free
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-W, --iwarning=PERCENT%
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Exit with WARNING status if less than PERCENT of inode space is free
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-K, --icritical=PERCENT%
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Exit with CRITICAL status if less than PERCENT of inode space is free
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-p, --path=PATH
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Path or partition (may be repeated)
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-u, --units=STRING
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Choose bytes, kB, MB, GB, TB (default: MB)
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-k, --kilobytes
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Same as '--units kB'
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-m, --megabytes
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Same as '--units MB'
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-l, --login=USER
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Login as USER
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-i, --identity=FILE
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Use FILE as private keyfile for authentication
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EOF
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support
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exit 0
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}
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ARGS="$(getopt -o hw:c:W:K:p:u:kmi:l: --long --help,--warning,--critical,--iwarning,--icritical,--path,--units,--kilobytes,--megabytes,--identity -n "$PROGNAME" -- "$@")"
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eval set -- "$ARGS"
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WARNING=""
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CRITICAL=""
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IWARNING=""
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ICRITICAL=""
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REMOTEPATH=""
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IDENTITY=""
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LOGIN=""
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UNIT="MB"
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while true; do
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case "$1" in
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-h|--help)
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print_help
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exit 0
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;;
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-w|--warning)
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WARNING="$2"
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shift
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;;
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-c|--critical)
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CRITICAL="$2"
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shift
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;;
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-W|--iwarning)
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IWARNING="$2"
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shift
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;;
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-K|--icritical)
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ICRITICAL="$2"
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shift
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;;
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-u|--units)
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UNIT="$2"
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shift
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;;
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-k|--kilobytes)
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UNIT="kB"
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shift
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;;
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-m|--megabytes)
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UNIT="MB"
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shift
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;;
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-p|--path)
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REMOTEPATH="$2"
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shift
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;;
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-i|--identity)
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IDENTITY="-i $2"
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shift
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;;
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-l|--login)
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LOGIN="$2@"
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shift
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;;
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--)
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shift
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break
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;;
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*)
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echo "Something went wrong while parsing option: $1"
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exit $STATE_UNKNOWN
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;;
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esac
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shift
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done
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if [ $# -ne 1 -o -z "$WARNING" -o -z "$CRITICAL" ] ; then
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print_usage
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exit $STATE_UNKNOWN
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fi
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case "$UNIT" in
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bytes|b) UNITDIV=1 ;;
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kB) UNITDIV=1024 ;;
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MB) UNITDIV=1048576 ;;
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GB) UNITDIV=1073741824 ;;
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TB) UNITDIV=1099511627776 ;;
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*) UNITDIV=1048576 ;;
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esac
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# Sanity checks
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if ! [ "${CRITICAL}" -ge 0 ] 2> /dev/null \
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&& ! [ "${CRITICAL/\%/}" -ge 0 ] 2> /dev/null; then
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echo "Critical threshold (${CRITICAL}) is neither number nor percentage!"
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print_help
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exit $STATE_UNKNOWN
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fi
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if ! [ "${WARNING}" -ge 0 ] 2> /dev/null \
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&& ! [ "${WARNING/\%/}" -ge 0 ] 2> /dev/null; then
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echo "Warning threshold (${WARNING}) is neither number nor percentage!"
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print_help
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exit $STATE_UNKNOWN
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fi
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if [ -n "${ICRITICAL}" ] \
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&& ! [ "${ICRITICAL}" -ge 0 ] 2> /dev/null \
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&& ! [ "${ICRITICAL/\%/}" -ge 0 ] 2> /dev/null; then
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echo "ICritical threshold (${ICRITICAL}) is neither number nor percentage!"
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print_help
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exit $STATE_UNKNOWN
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fi
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if [ -n "${IWARNING}" ] \
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&& ! [ "${IWARNING}" -ge 0 ] 2> /dev/null \
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&& ! [ "${IWARNING/\%/}" -ge 0 ] 2> /dev/null; then
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echo "IWarning threshold (${IWARNING}) is neither number nor percentage!"
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print_help
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exit $STATE_UNKNOWN
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fi
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HOST="$1"
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if [ -n "${REMOTEPATH}" ] ; then
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CMD="cd ${REMOTEPATH}\ndf\ndf -i"
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else
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CMD="df\ndf -i"
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fi
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if ! rawout="$(echo -e "${CMD}" | sftp $IDENTITY -b- "${LOGIN}${HOST}" 2>&1)"; then
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echo "$rawout"
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exit $STATE_UNKNOWN
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fi
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rawout="$(echo "$rawout" | grep -v '^sftp> df' | sed -e 's/[[:space:]]\+/ /g')" || exit $STATE_UNKNOWN
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# TODO: if one failes, just set UNKNOWN as worst state, not yet exit
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iout="$(echo "$rawout" | grep -A1 '^\s*Inodes' | tail -n 1)" #|| { [ -n "${IWARNING}" -o -n "${ICIRITCAL}" ] && exit $STATE_UNKNOWN }
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out="$(echo "$rawout" | grep -A1 '^\s*Size' | tail -n 1)" || exit $STATE_UNKNOWN
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percentage="$(echo "$out" | cut -d " " -f 6)"
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percentage=$((100 - ${percentage/\%/}))
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free="$(($(echo "$out" | cut -d " " -f 4) * 1024))"
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ifree="$(echo "$iout" | cut -d " " -f 6)"
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ifree=$((100 - ${ifree/\%/}))
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details="free space: ${HOST} $((${free} / ${UNITDIV})) ${UNIT} (${percentage}% inode=${ifree}%)"
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if ( [ "${CRITICAL/\%/}" != "${CRITICAL}" ] && [ "${percentage}" -lt "${CRITICAL/\%/}" ] ) || \
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( [ "${CRITICAL/\%/}" = "${CRITICAL}" ] && [ "${free}" -lt "${CRITICAL}" ] ) || \
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( [ -n "$ICRITICAL" ] && [ "${ifree}" -lt "${ICRITICAL/\%/}" ] ); then
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echo "DISK CRITICAL - $details"
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exit $STATE_CRITICAL
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fi
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if ( [ "${WARNING/\%/}" != "${WARNING}" ] && [ "${percentage}" -lt "${WARNING/\%/}" ] ) || \
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( [ "${WARNING/\%/}" = "${WARNING}" ] && [ "${free}" -lt "${WARNING}" ] ) || \
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( [ -n "$IWARNING" ] && [ "${ifree}" -lt "${IWARNING/\%/}" ] ); then
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echo "DISK WARNING - $details"
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exit $STATE_WARNING
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fi
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echo "DISK OK - $details"
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exit $STATE_OK
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