#!/bin/sh
# PCP QA Test No. 1984
# Ensure pmlogconf enables/disables sections after agent Install/Remove.
# Use the same options as the pmlogger auto-configuration service.
#
# Copyright (c) 2022 Red Hat.
#

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

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

[ -f $PCP_PMDAS_DIR/redis/Install ] || _notrun "Redis PMDA is not installed"
which redis-server >/dev/null 2>&1 || _notrun "No redis-server binary found"
redis_port=6379
$PCP_BINADM_DIR/telnet-probe -c localhost $redis_port \
        || _notrun "Noone home on default Redis port $redis_port"

_cleanup()
{
    if [ $reinstall -eq 1 ]; then
	cd $PCP_PMDAS_DIR/redis
	$sudo ./Install >/dev/null 2>&1
	reinstall=0
    fi
    cd $here
    $sudo rm -rf $tmp $tmp.*
}

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

_filter()
{
    sed \
	-e "s,$tmp.path,TMPPATH,g" \
	-e "s,$tmp.conf,TMPCONFIG,g" \
	-e "s/^\*\*\* TMPCONFIG.*/*** DIFF INPUT FILE/g" \
	-e "s/^--- TMPCONFIG.*/--- DIFF OUTPUT FILE/g" \
    # end
}

# real QA test starts here
mkdir -p $tmp.path
cat > $tmp.path/redis << EOF
#pmlogconf-setup 2.0
ident   metrics used by the redis-server(1) service
probe	redis.process_id values ? include : exclude
	redis
EOF

# cull any pre-existing redis metrics
cd $PCP_PMDAS_DIR/redis
pmprobe -v redis | grep -q 'Unknown metric name' 2>&1
if [ $? -ne 0 ]; then
    $sudo ./Remove >/dev/null 2>&1
    reinstall=1
fi

echo; echo == create initial config
pmlogconf -c -q -d $tmp.path $tmp.conf </dev/null | _filter 2>&1

echo; echo == update config with redis metrics | tee -a $seq_full
$sudo ./Install >>$seq_full 2>&1
numval=`pmprobe -v redis.process_id | tee -a $seq_full | $PCP_AWK_PROG '{ print $2 }'`
if [ -z "$numval" -o "$numval" -lt 0 ]; then
    echo "Botch: redis PMDA install failed"
    pminfo -f redis.process_id
    status=1
    exit
fi
pmlogconf -r -c -q -d $tmp.path $tmp.conf </dev/null | _filter 2>&1

echo; echo == verify no subsequent change
pmlogconf -r -c -q -d $tmp.path $tmp.conf </dev/null | _filter 2>&1

echo; echo == update config without redis metrics | tee -a $seq_full
$sudo ./Remove >>$seq_full 2>&1
pmlogconf -r -c -q -d $tmp.path $tmp.conf </dev/null | _filter 2>&1

echo; echo == verify no subsequent change
pmlogconf -r -c -q -d $tmp.path $tmp.conf </dev/null | _filter 2>&1

# success, all done
exit
