#!/bin/sh
# PCP QA Test No. 788
# Exercise the Nginx PMDA Install/Remove.
#
# Copyright (c) 2015-2016 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/nginx/pmdanginx.pl ] || _notrun "nginx pmda not installed"

perl -e "use PCP::PMDA" >/dev/null 2>&1
[ $? -eq 0 ] || _notrun "perl PCP::PMDA module not installed"

status=1	# failure is the default!
$sudo rm -rf $tmp.* $seq.full
trap "cd $here; rm -rf $tmp.*; exit \$status" 0 1 2 3 15

# real QA test starts here
_filter_nginx()
{
    # cull message resulting from no running nginx daemon
    grep -v 'Information not currently available'
}

pmdanginx_remove()
{
    echo
    echo "=== remove nginx agent ==="
    $sudo ./Remove >$tmp.out 2>&1
    _filter_pmda_remove <$tmp.out
}

pmdanginx_install()
{
    # start from known starting points
    cd $PCP_PMDAS_DIR/nginx
    $sudo ./Remove >/dev/null 2>&1

    echo
    echo "=== nginx agent installation ==="
    $sudo ./Install </dev/null >$tmp.out 2>&1
    cat $tmp.out >>$here/$seq.full
    # Check nginx metrics have appeared ... X metrics and Y values
    _filter_pmda_install <$tmp.out \
    | sed \
        -e 's/[0-9][0-9]* warnings, //' \
    | $PCP_AWK_PROG '
/Check nginx metrics have appeared/    { if ($7 >= 7) $7 = "X"
                                         if ($10 >= 7 || $10 == 0) $10 = "Y"
                                       }
                                       { print }'
}

_prepare_pmda nginx
# note: _restore_auto_restart pmcd done in _cleanup_pmda()
trap "_cleanup_pmda nginx; exit \$status" 0 1 2 3 15

_stop_auto_restart pmcd

# real QA test starts here
pmdanginx_install

# there may be a race if the pmda has a bit of a slow start ... pause
pmsleep 0.25

# pmcd should have been started by the Install process - check
if pminfo -v nginx > $tmp.info 2> $tmp.err
then
    :
else
    echo "... failed! ... here is the Install log ..."
    cat $tmp.out
fi
cat $tmp.info $tmp.err | _filter_nginx

pmdanginx_remove
status=0
exit
