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|
#!/bin/sh
# PCP QA Test No. 808
# exercise pmlogger stale pid files issues
#
# Copyright (c) 2015 Red Hat. All Rights Reserved.
# Copyright (c) 2015 Mark Goodwin. All Rights Reserved.
#
seq=`basename $0`
echo "QA output created by $seq"
# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check
_cleanup()
{
cd $here
if [ -n "$pid" ]
then
$sudo rm -f $PCP_TMP_DIR/pmlogger/$pid $PCP_RUN_DIR/pmlogger.$pid.socket
fi
$sudo rm -f $PCP_RUN_DIR/pmlogger.pid
_restore_auto_restart pmlogger
_service pmlogger restart | _filter_pcp_restart
if $pmproxy_was_running
then
# pmproxy needs a chance to get stable ... otherwise we may see
# badness in the PMNS for the pmproxy.* metrics if check's callback
# checks the PMNS .. seen on vm11 (Debian 11.1)
#
echo "Restart pmproxy ..." >>$seq_full
_service pmproxy restart >>$seq_full 2>&1
_wait_for_pmproxy
fi
rm -rf $tmp.*
}
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmlogger
pmproxy_was_running=false
[ -f $PCP_RUN_DIR/pmproxy.pid ] && pmproxy_was_running=true
echo "pmproxy_was_running=$pmproxy_was_running" >>$seq_full
# real QA test starts here
pid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep '[ /][p]mlogger.*-P' | \
grep -v grep | awk '{print $2}'`
if [ ! -S "$PCP_RUN_DIR/pmlogger.$pid.socket" ]; then
echo FAIL no primary pmlogger running? pid=$pid
status=1
else
echo found primary pmlogger and found control socket in PCP_RUN_DIR
echo === killing the primary pmlogger with SIGKILL ===
$sudo kill -9 $pid
for i in 1 2 3 4 5
do
$sudo kill -0 $pid >/dev/null 2>&1 || break
sleep 1
done
$sudo kill -0 $pid >/dev/null 2>&1 && echo "Arrggh, pid $pid won't die!"
echo === restart primary logger ===
if ! _service pmlogger start; then _exit 1; fi \
| _filter_pcp_start
_wait_for_pmlogger || _exit 1
newpid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep '/[p]mlogger.*-P' | \
grep -v grep | awk '{print $2}'`
if [ -z "$newpid" ]; then
echo FAIL pmlogger failed to start
echo pid of killed primary logger is $pid
echo === ls -l $PCP_RUN_DIR ===
ls -l $PCP_RUN_DIR
status=1
exit
fi
# cleanup from SIGKILL
#
$sudo rm -f $PCP_TMP_DIR/pmlogger/$pid $PCP_RUN_DIR/pmlogger.pid $PCP_RUN_DIR/pmlogger.$pid.socket
#
# Next test: check primary logger restarts with legacy hardlinks present
# This is a corner case, but can happen.
#
pid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep '/[p]mlogger.*-P' | \
grep -v grep | awk '{print $2}'`
echo === checking with stale legacy hard links
echo === killing the primary pmlogger with SIGKILL ===
$sudo kill -9 $pid
for i in 1 2 3 4 5
do
$sudo kill -0 $pid >/dev/null 2>&1 || break
sleep 1
done
$sudo kill -0 $pid >/dev/null 2>&1 && echo "Arrggh, pid $pid won't die!"
# change the stale symlinks into hardlinks, to simulate an upgrade
# from an earlier version of pcp (before we converted to symlinks)
$sudo rm -f $PCP_TMP_DIR/pmlogger/primary
$sudo ln $PCP_TMP_DIR/pmlogger/$pid $PCP_TMP_DIR/pmlogger/primary
$sudo rm -f $PCP_RUN_DIR/pmlogger.primary.socket
$sudo ln $PCP_RUN_DIR/pmlogger.$pid.socket $PCP_RUN_DIR/pmlogger.primary.socket
echo === restart primary logger ===
if ! _service pmlogger start; then _exit 1; fi \
| _filter_pcp_start
_wait_for_pmlogger || _exit 1
newpid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep '/[p]mlogger.*-P' | \
grep -v grep | awk '{print $2}'`
if [ -z "$newpid" ]; then
echo FAIL pmlogger failed to start
echo pid of killed primary logger is $pid
echo === ls -il $PCP_RUN_DIR ===
ls -il $PCP_RUN_DIR
status=1
exit
fi
# cleanup from SIGKILL
#
$sudo rm -f $PCP_TMP_DIR/pmlogger/$pid $PCP_RUN_DIR/pmlogger.pid $PCP_RUN_DIR/pmlogger.$pid.socket
# success
status=0
fi
exit
|
