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|
#!/bin/sh
#
# Given a remote host on the command line ...
# - fetch the metadata for all metrics
# - fetch the metadata for all metrics from the localhost
# - compare the two for all cases where the metric name is the same
# and report if the metadata is different
#
# Helps make sure any derived metric expression for metrics that are
# common across platforms will be OK.
#
# The localhost is usually running Linux, the remote host is usually
# running something else.
#
tmp=/var/tmp/check-metadata-$$
tmp=tmp
sts=1
# trap "rm -f $tmp.*; exit \$sts" 0 1 2 3 15
_usage()
{
echo "Usage: check-metadata [-s] remotehost"
exit
}
export PCP_DERIVED_CONFIG=
# export LC_COLLATE=C
# default is to not report 32-bit vs 64-bit differences
ignore_size=true
while getopts 's?' p
do
case "$p"
in
s) ignore_size=false
;;
?) _usage
# NOTREACHED
;;
esac
done
shift `expr $OPTIND - 1`
if [ $# -ne 1 ]
then
_usage
# NOTREACHED
fi
# Turn
# disk.dev.await
# Data Type: double InDom: 60.1 0xf000001
# Semantics: instant Units: millisec / count
# into
# disk.dev.await|double|60.1|instant|millisec / count
#
_canonical()
{
awk <$1 '
/^[a-z]/ { printf "%s",$1 }
/Data Type:/ { printf "|" $3
for (i = 4; i < NF; i++) {
if ($i == "InDom:")
break;
printf " " $i
}
i++
printf "|" $i
}
/Semantics:/ { printf "|" $2 "|" $4
for (i = 5; i <= NF; i++)
printf " " $i
print ""
}' \
| if $ignore_size
then
sed -e 's/32-bit //' -e 's/64-bit //'
else
cat
fi \
| sort -t '|' -k 1b,1 >$tmp.tmp
mv $tmp.tmp $1
}
pminfo -d >$tmp.local 2>$tmp.err
cat $tmp.err
if [ ! -s $tmp.local ]
then
echo "Error: failed to get metadata from localhost"
exit
fi
_canonical $tmp.local
pminfo -d -h $1 >$tmp.remote 2>$tmp.err
cat $tmp.err
if [ ! -s $tmp.remote ]
then
echo "Error: failed to get metadata from $1"
exit
fi
_canonical $tmp.remote
# after join we have ...
# disk.dev.read_bytes|32-bit unsigned int|60.1|counter|Kbyte|64-bit unsigned int|85.2|counter|byte
# $1 - metric name
# $2 - local type
# $3 - local indom
# $4 - local semantics
# $5 - local units
# $6 - remote type
# $7 - remote indom
# $8 - remote semantics
# $9 - remote units
#
join -t '|' -1 1 -2 1 $tmp.local $tmp.remote \
| awk -F '|' '
{ if ($2 != $6)
print $1 ": type mismatch: " $2 " (local) " $6 " ('$1')"
if ($3 != $7) {
if ($3 !~ /^[0-9]*\.[0-9]$/ || $7 !~ /^[0-9]*\.[0-9]$/)
print $1 ": indom mismatch: " $3 " (local) " $7 " ('$1')"
}
if ($4 != $8)
print $1 ": semantics mismatch: " $4 " (local) " $8 " ('$1')"
if ($5 != $9)
print $1 ": units mismatch: " $5 " (local) " $9 " ('$1')"
}'
sts=0
exit
|
