147 lines
3.3 KiB
Bash
Executable file
147 lines
3.3 KiB
Bash
Executable file
#!/bin/bash
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TUNE2FS="/sbin/tune2fs"
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MOUNT_MAX=14
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INTERVAL_MAX=200
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MAIL_ALERT="alert3@evolix.fr"
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PROGNAME=`/usr/bin/basename $0`
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# Nagios compatibility
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STATE_OK=0
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STATE_WARNING=1
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STATE_CRITICAL=2
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STATE_UNKNOWN=3
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STATE_DEPENDENT=4
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print_usage() {
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echo "Usage: $PROGNAME --dev /dev/sdaX [--mount-max $MOUNT_MAX] [--interval-max $INTERVAL_MAX] [--alert]"
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echo "Usage: $PROGNAME -d /dev/sdaX [-c $MOUNT_MAX] [-i $INTERVAL_MAX] [-a]"
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echo "Usage: $PROGNAME --help"
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}
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print_help() {
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print_usage
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echo ""
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echo "Options:"
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echo "--dev, -d /dev/sdNX"
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echo "--mount-max, -c X"
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echo "--interval-max, -i X (days)"
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echo "--alert, -a (send a mail to $MAIL_ALERT if state critical)"
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}
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alert_mail() {
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# $1 max_mount
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# $2 days
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if [ "$send_mail" = "1" ]; then
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if [ "$exitstatus" = "$STATE_CRITICAL" ]; then
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echo "From: Equipe Evolix <equipe@evolix.fr>
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To: $MAIL_ALERT
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Subject: [alert] Fsck on $(hostname)
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Number of mount since last fsck: $1
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Days since last fsck: $2
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"|/usr/lib/sendmail -oi -t -f "$MAIL_ALERT"
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fi
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fi
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}
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send_mail=0
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exitstatus=$STATE_OK
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# check command line arguments
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if [ $# -lt 1 ]; then
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print_usage
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exit $STATE_UNKNOWN
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fi
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while test -n "$1"; do
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case "$1" in
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--help)
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print_help
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exit $STATE_OK
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;;
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-h)
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print_help
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exit $STATE_OK
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;;
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--dev)
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dev=$2
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shift
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;;
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-d)
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dev=$2
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shift
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;;
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--mount-max)
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mount_max=$2
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shift
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;;
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-c)
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mount_max=$2
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shift
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;;
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--interval-max)
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interval_max=$2
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shift
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;;
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-i)
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interval_max=$2
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shift
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;;
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--alert)
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send_mail=1
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;;
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-a)
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send_mail=1
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;;
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*)
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echo "Unknown argument: $1"
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print_usage
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exit $STATE_UNKNOWN
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;;
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esac
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shift
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done
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[ -z "$dev" ] && print_usage && exit $STATE_UNKNOWN
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[ -z "$mount_max" ] && mount_max=$MOUNT_MAX
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[ -z "$interval_max" ] && interval_max=$INTERVAL_MAX
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# is $dev support tune2fs ?
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bad_magic=$($TUNE2FS -l $dev|grep "Bad magic number")
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[ -n "$bad_magic" ] && echo "Bad magic number in super-block while trying to open $dev" && exit $STATE_UNKNOWN
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# grep max_count && last_checked
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max_count=$($TUNE2FS -l $dev|grep "Mount count" | awk -F":" '{ print $2 }'| sed 's/^\s*//')
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last_checked=$($TUNE2FS -l $dev|grep "Last checked"| awk -F":" '{ print $2":"$3":"$4 }'|sed 's/^\s*//')
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[ -z "$max_count" ] && echo "No Mount count value on $TUNE2FS $dev" && exit $STATE_UNKNOWN
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[ -z "$last_checked" ] && echo "No Last checked value on $TUNE2FS $dev" && exit $STATE_UNKNOWN
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# check max mount
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if [ $max_count -ge $mount_max ]; then
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echo "Number of mount since last fsck: $max_count"
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echo " - threshold $mount_max reached !\n"
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exitstatus=$STATE_CRITICAL;
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fi
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# compute day interval
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timestamp=$( date -d "$last_checked" "+%s" )
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today=$( date "+%s" )
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days=$(( ($today - $timestamp) / 86400 ))
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if [ $days -ge $interval_max ]; then
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echo "Days since last fsck: $days"
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echo " - threshold $interval_max reached !\n"
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exitstatus=$STATE_CRITICAL;
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fi
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alert_mail $max_count $days
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exit $exitstatus
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