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|
#!/bin/sh
#
# generate a new xml stats file from named on localhost
#
tmp=/var/tmp/getxml-$$
status=1
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
if ! which named >/dev/null 2>&1
then
echo "No named executable, giving up"
exit
fi
if ! which xmllint >/dev/null 2>&1
then
echo "No xmllint executable, giving up"
exit
fi
version=`named -v | awk '{print $2}' | sed -e 's/-.*//'`
echo "version=$version"
if ! wget -q -O $tmp.tmp http://localhost:8080
then
echo "wget failed, giving up"
exit
fi
if ! xmllint --format $tmp.tmp >$tmp.xml
then
echo "xmllint failed for tmp.xml, giving up"
exit
fi
if [ ! -f bind-$version-stats.xml ]
then
mv $tmp.xml bind-$version-stats.xml
echo "bind-$version-stats.xml created."
status=0
exit
fi
echo "bind-$version-stats.xml already exists."
mv $tmp.xml new-$version-stats.xml
# mimic the bind2 PMDA and extract metric names from the xml
#
# <counters type="opcode">
# <counter name="QUERY">239489</counter>
# ...
# </counters>
# <boot-time>2024-12-24T20:47:06.264Z</boot-time>
# <summary>
# <TotalUse>11267043114</TotalUse>
# ...
# </summary>
#
# skip ...
# <zone name=...>
# </zone>
_xtract_metrics()
{
awk <$1 '
$1 == "<zone" { skip = 1; next }
skip == 1 && $1 == "</zone>" { skip = 0; next }
skip == 1 { next }
$1 == "<counters" { sub(/type="/, "", $2)
sub(/".*/, "", $2)
prefix = $2
}
$1 == "<counter" { sub(/name="/, "", $2)
sub(/".*/, "", $2)
print prefix "." $2
}
/<boot-time>/ { print "boot_time"; next }
/<current-time>/ { print "current_time"; next }
/<config-time>/ { print "config_time"; next }
$1 == "<summary>" { in_summary = 1; next }
in_summary == 1 && $1 == "</summary>" {
in_summary = 0; next
}
in_summary == 1 && $1 ~ /<[A-Z]/ {
sub(/[^<]*</, "", $1)
sub(/>.*/, "", $1)
print "memory.total." $1
}' \
| tee $tmp.tee \
| sed \
-e '/\.RESERVED[0-9]/d' \
-e '/\.queries\..out\.[0-9]/d' \
-e 's/^resstats\./resolver.total.resstats./' \
-e 's/^resqtype\./resolver.total.resqtype./' \
-e 's/^opcode\./total.queries.out./' \
-e 's/^rcode\./total.queries.out./' \
-e 's/RTT1600+/RTT1600p/' \
| LC_COLLATE=POSIX sort \
| uniq
}
_xtract_metrics bind-$version-stats.xml >$tmp.old
_xtract_metrics new-$version-stats.xml >$tmp.new
LC_COLLATE=POSIX comm -23 $tmp.old $tmp.new >$tmp.tmp
if [ -s $tmp.tmp ]
then
echo "metrics from bind-$version-stats.xml not found in new-$version-stats.xml ..."
cat $tmp.tmp
fi
LC_COLLATE=POSIX comm -13 $tmp.old $tmp.new >$tmp.tmp
if [ -s $tmp.tmp ]
then
echo "metrics from new-$version-stats.xml not found in bind-$version-stats.xml ..."
cat $tmp.tmp
fi
|
