#!/bin/sh
# PCP QA Test No. 1218
# Exercise fix for pmdaroot cleaning up zombies.
#
# Copyright (c) 2019 Red Hat.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

test -x "$PCP_PMDAS_DIR/root/pmdaroot" || _notrun "No pmdaroot support"

_cleanup()
{
    cd $here
    _service pmcd restart >>$seq_full 2>&1
    _wait_for_pmcd
    $sudo rm -rf $tmp $tmp.*
}

status=1	# failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

# real QA test starts here
pid=`_get_pids_by_name "$PCP_PMDAS_DIR/sample/pmdasample"`
[ -z "$pid" ] && _fail "No running pmdasample process found"

echo "Forcing pmdasample to exit unexpectedly"
$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep '/[p]mdas' > $tmp.before
$sudo $PCP_BINADM_DIR/pmsignal -a pmdasample
pmsleep 0.25
pminfo -f containers > /dev/null 2>&1	# touch pmdaroot asap
pmsleep 0.25
$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep '/[p]mdas' > $tmp.after

# diagnostics
(echo; echo == Before:) >> $seq_full
cat $tmp.before >> $seq_full
(echo; echo == After:) >> $seq_full
cat $tmp.after >> $seq_full

echo "Looking for zombie pmdasample processes"
grep '[z]ombie' $tmp.after

# success, all done
status=0
exit
