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|
#!/bin/sh
# PCP QA Test No. 882
# Check PMCD state change notification, aka PMCD_ADD_AGENT
#
# Copyright (c) 2016 Red Hat, Inc.
#
seq=`basename $0`
echo "QA output created by $seq"
# get standard filters
. ./common.product
. ./common.filter
. ./common.check
signal=$PCP_BINADM_DIR/pmsignal
status=1
done_clean=false
LOCALHOST=`hostname`
LOGGING_DIR="$PCP_ARCHIVE_DIR"
_check_local_primary_archive || _notrun "primary pmlogger not writing locally"
if [ ! -f $LOGGING_DIR/$LOCALHOST/Latest ]
then
_notrun "no Latest folio for primary pmlogger (logpush?)"
# NOTREACHED
fi
_cleanup()
{
if $done_clean
then
:
else
echo "Restore pmcd.conf and restart PMCD ..."
if [ -f $tmp.pmcd.conf ]
then
$sudo cp $tmp.pmcd.conf $PCP_PMCDCONF_PATH
rm -f $tmp.pmcd.conf
fi
_restore_primary_logger
_service pmcd restart 2>&1 | _filter_pcp_restart
_wait_for_pmcd
_restore_auto_restart pmcd
_service pmlogger restart 2>&1 | _filter_pcp_restart \
| sed -e '/pmlogger not running/d'
_wait_for_pmlogger
_restore_auto_restart pmlogger
rm -f $tmp.*
done_clean=true
fi
exit $status
}
trap "_cleanup" 0 1 2 3 15
# real QA test starts here
PMDA_PMCD_PATH=$PCP_PMDAS_DIR/pmcd/pmda_pmcd.$DSO_SUFFIX
# copy the pmcd config file to restore state later.
cp $PCP_PMCDCONF_PATH $tmp.pmcd.conf
# start from a known starting point
_stop_auto_restart pmcd
_stop_auto_restart pmlogger
if ! _service pmlogger stop 2>&1; then _exit 1; fi \
| _filter_pcp_stop
_wait_pmlogger_end || _exit 1
if ! _service pmcd stop 2>&1; then _exit 1; fi \
| _filter_pcp_stop
_wait_pmcd_end || _exit 1
cat <<End-of-File >$tmp.tmp
# Installed by PCP QA test $seq on `date`
pmcd 2 dso pmcd_init $PMDA_PMCD_PATH
sample 29 pipe binary $PCP_PMDAS_DIR/sample/pmdasample -d 29
simple 253 pipe binary /var/lib/pcp/pmdas/simple/pmdasimple -d 253
End-of-File
$sudo cp $tmp.tmp $PCP_PMCDCONF_PATH
_writable_primary_logger
if ! _service pmcd restart 2>&1; then _exit 1; fi \
| _filter_pcp_restart
_wait_for_pmcd || _exit 1
if ! _service pmlogger restart 2>&1; then _exit 1; fi \
| _filter_pcp_restart
_wait_for_pmlogger || _exit 1
# Reset pmlogger
#
echo "log sample.dynamic.meta.metric"
# Log the sample pmda's sample.dynamic.meta.metric
#
# May need to retry a few times before we can connect via pmlc
#
can_wait=10
i=0
while [ $i -lt $can_wait ]
do
echo 'connect primary
log mandatory on 500 msec { sample.dynamic.meta.metric }' \
| pmlc >$tmp.tmp 2>&1
if [ -s $tmp.tmp ]
then
# any output suggests something did not work
#
echo "iter $1: pmlc failed" >>$seq_full
cat $tmp.tmp >>$seq_full
sleep 1
i=`expr $i + 1`
else
break
fi
done
# log a few samples
sleep 2
echo "archive contents before pmda simple restart..."
echo "expect no <mark> record"
echo "---------------------------------------------------------------"
pmafm $LOGGING_DIR/$LOCALHOST/Latest pmdumplog >$tmp.out 2>&1
grep -E '(<mark>)|(sample.dynamic.meta.metric)' $tmp.out \
| _filter_pmdumplog \
| uniq
echo "---------------------------------------------------------------"
# Get the units of sample.dynamic.meta.metric by fetching
# sample.dynamic.meta.pmdesc.units using pminfo.
echo "pminfo -f sample.dynamic.meta.pmdesc.units" | tee -a $seq_full
units=`pminfo -f sample.dynamic.meta.pmdesc.units | tee -a $seq_full \
| awk '/value/ { print $2 }'`
# Change the units of sample.dynamic.meta.metric by using pmstore to store into
# sample.dynamic.meta.pmdesc.units
# Change one of the inner bitfields so as to avoid changing the padding
echo "changing units from $units to $((units + 0x100))"
pmstore sample.dynamic.meta.pmdesc.units $((units + 0x100))
# Restart the simple pmda by killing it and the getting pmcd to restart it (HUP).
# pmlogger should receive PMCD_ADD_AGENT, which should cause it to re-check
# all of it's configured metrics. It should then flag the change to
# sample.dynamic.meta.pmdesc.units and exit.
echo "restart the simple pmda"
$sudo $signal -a -s TERM pmdasimple
sleep 1 # let the signal arrive and let pmdasimple exit
$sudo $signal -a -s HUP pmcd # ensure pmcd restarts the PMDA
sleep 1 # let the signal arrive and pmcd think about it
echo "archive contents after pmda simple restart..."
echo "expect no <mark> record"
echo "---------------------------------------------------------------"
pmafm $LOGGING_DIR/$LOCALHOST/Latest pmdumplog >$tmp.out 2>&1
grep -E '(<mark>)|(sample.dynamic.meta.metric)' $tmp.out \
| _filter_pmdumplog \
| uniq
echo "---------------------------------------------------------------"
# pmlogger should have stopped. Check for the messages indicating that
# the re-check of the configured metrics failed and that it stopped.
echo >>$seq_full
echo "pmlogger log ..." >>$seq_full
cat $LOGGING_DIR/$LOCALHOST/pmlogger.log | tee -a $seq_full | \
grep \
-e 'Units of metric "sample.dynamic.meta.metric" has changed from ' \
-e 'One or more configured metrics have changed after pmcd state change. Exiting'
status=0
exit
|
