124 lines
4.7 KiB
Plaintext
124 lines
4.7 KiB
Plaintext
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#!/bin/ksh
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# Revision History:
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# 1. Mike Rowell <Mike.Rowell@Rightmove.co.uk>, original
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# 2. Uwe Kirbach <U.Kirbach@EnBW.com>
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# 3. T.J. Yang: add in some comments.
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# 4. Vernon Everett <everett.vernon@gmail.com : Added check for old snapshots
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# : Added graphing data
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# 5. Pierre ROLLAND : Fixing column parsing when using the command zpool list -H
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DISKYELL=80
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DISKRED=90
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SNAPRED=90 # Days old
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SNAPYELL=60 # Days old
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SNAPCOL=true # Set to true if snapshot age should effect test colour
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CHECKSNAPS=true # Set to true to do snapshot checking
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TEST="zfs"
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DISPCOLOR="green"
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FIRST_LINE="zfs - okay"
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FIRST_LINE_HEALTH="okay"
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FIRST_LINE_CAP="okay"
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DATA=""
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#What: beautify the page display by html code.
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STRING="<table border=1 cellpadding=10><tr><th></th><th>Zpool Name</th><th>Status</th><th>Capacity</th></tr>"
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#What: a loop to parse output of "zpool list -H" output.
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# bash-3.00# zpool list
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# NAME SIZE USED AVAIL CAP HEALTH ALTROOT
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# mypool 33.8G 84.5K 33.7G 0% ONLINE -
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# bash-3.00# zpool list -H
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# mypool 33.8G 84.5K 33.7G 0% ONLINE -
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# bash-3.00#
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if [ ! -f /sbin/zpool ]; then
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exit 0
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fi
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#/sbin/zpool list -H | while read name size used avail cap health altroot
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/sbin/zpool list -H | while read name size used avail expandsz frag cap dedup health altroot
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do
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LINE_COLOR="green"
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if [ "${health}" == "ONLINE" ]; then
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HEALTH_COLOR="green"
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elif [ "${health}" == "DEGRADED" ]; then
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HEALTH_COLOR="yellow"
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elif [ "${health}" == "FAULTED" ]; then
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HEALTH_COLOR="red"
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fi
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CAP_COLOR="green"
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cap=`echo ${cap} | cut -d% -f1`
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if [ "${cap}" -ge $DISKYELL ]; then
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CAP_COLOR="yellow"
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elif [ "${cap}" -gt $DISKRED ]; then
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CAP_COLOR="red"
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fi
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DATA=$(echo "$name : $cap\n$DATA")
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# Determine the line colours
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[ "$HEALTH_COLOR" == "yellow" -o "$CAP_COLOR" == "yellow" ] && LINE_COLOR="yellow"
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[ "$HEALTH_COLOR" == "red" -o "$CAP_COLOR" == "red" ] && LINE_COLOR="red"
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# Determine the messages
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[ "$HEALTH_COLOR" == "yellow" -a "$FIRST_LINE_HEALTH" != "faulted" ] && FIRST_LINE_HEALTH="degraded"
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[ "$HEALTH_COLOR" == "red" ] && FIRST_LINE_HEALTH="faulted"
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[ "$CAP_COLOR" == "yellow" -a "$FIRST_LINE_CAP" != "full" ] && FIRST_LINE_CAP="nearly full"
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[ "$CAP_COLOR" = "yellow" ] && FIRST_LINE_CAP="full"
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#Determine the final colour status
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[ "$LINE_COLOR" == "yellow" -a "$DISPCOLOR" != "red" ] && DISPCOLOR="yellow"
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[ "$LINE_COLOR" == "red" ] && DISPCOLOR="red"
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STRING="$STRING <tr><td>&${LINE_COLOR}</td><td>${name}</td><td>${health}</td><td>${cap} %</td></tr>"
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done
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DATA=$(echo "$DATA \n\n")
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STRING="$STRING </table><br><br>"
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STRING="$STRING`/sbin/zpool status -xv`"
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FIRST_LINE="zfs - health: $FIRST_LINE_HEALTH - capacity: $FIRST_LINE_CAP"
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# Snapshot check
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if [ "$CHECKSNAPS" = "true" ]
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then
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NOW=$(perl -e 'print time(), "\n" ')
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SNAPLIST=$(zfs list | grep @ |awk '{ print $1 }' \
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| while read a
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do
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echo "$(zfs get -H -o name,value -p creation $a) $( zfs get -H -o value used $a)"
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done)
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if [ -z "$SNAPLIST" ]
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then
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SNAPTABLE="<br>&green No snapshots found"
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else
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SNAPTABLE="<table border=1 cellpadding=10><tr><th></th><th>Snapshot</th><th>Age</th><th>Size</th></tr>"
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echo "$SNAPLIST" | while read SNAPSHOT CREATION SIZE
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do
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LINE_COLOR=green
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((SNAPREDS=SNAPRED*43200))
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((SNAPYELLS=SNAPYELL*43200))
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((AGES=NOW-CREATION)) # AGES=Age in seconds
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[ $AGES -gt $SNAPYELLS ] && LINE_COLOR=yellow
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[ $AGES -gt $SNAPREDS ] && LINE_COLOR=red
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[ $AGES -gt 120 ] && ((AGE=AGES/60))&& AGE="$AGE Minutes"
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[ $AGES -gt 7200 ] && ((AGE=AGES/3600)) && AGE="$AGE Hours"
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[ $AGES -gt 172800 ] && ((AGE=AGES/86400)) && AGE="$AGE Days"
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SNAPTABLE="$SNAPTABLE <tr><td>&${LINE_COLOR}</td><td>${SNAPSHOT}</td><td>${AGE}</td><td>${SIZE}</td></tr>"
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if [ "$SNAPCOL" = "true" ] #Only if true will it effect test colour
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then
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if [ "$DISPCOLOR" != "red" ] # If it's already red, it's not getting any worse
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then
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[ "$LINE_COLOR" != "green" ] && DISPCOLOR=$LINE_COLOR
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fi
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fi
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done
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SNAPTABLE="$SNAPTABLE </table><br><br>"
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fi
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STRING="$STRING <br><br><B>SNAPSHOT STATUS</B> $SNAPTABLE"
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fi
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# What: Sent out the final bb message to hobbit server.
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$XYMON $XYMONSRV $XYMONSERVERS "status $MACHINE.$TEST $DISPCOLOR `date` $FIRST_LINE $STRING"
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echo "$XYMON $XYMONSRV $XYMONSERVERS --debug status $MACHINE.$TEST $DISPCOLOR `date` $FIRST_LINE $STRING" > /tmp/xymon_zfs
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$XYMON $XYMONSRV $XYMONSERVERS "data $MACHINE.$TEST $DISPCOLOR $(echo; echo "$DATA" ;echo;echo)"
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