#!/bin/sh
# PCP QA Test No. 1053
# Exercise the JSON PMDA Install/Remove, as well as the
# mechanism by which a PMDA can be installed with no pmcd
# process running.
#
# Copyright (c) 2015 Red Hat.
#

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

. ./common.python

pmda_path="$PCP_PMDAS_DIR/json"
pmda_config="${pmda_path}/config.json"

[ -f $PCP_PMDAS_DIR/json/pmdajson.python ] || _notrun "JSON pmda not installed"
$python -c "from pcp import pmda" >/dev/null 2>&1
[ $? -eq 0 ] || _notrun "python pcp pmda module not installed"
$python -c "import jsonpointer" >/dev/null 2>&1
[ $? -eq 0 ] || _notrun "python jsonpointer module not installed"
$python -c "import six" >/dev/null 2>&1
[ $? -eq 0 ] || _notrun "python six module not installed"

status=1	# failure is the default!
$sudo rm -rf $tmp.* $seq.full

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

pmdajson_install()
{
    # start from known starting points
    cd $PCP_PMDAS_DIR/json
    $sudo ./Remove >/dev/null 2>&1
    $sudo $PCP_RC_DIR/pmcd stop 2>&1 | _filter_pcp_stop

    echo
    echo "=== json agent installation ==="
    $sudo ./Install </dev/null >$tmp.out 2>&1
    cat $tmp.out >>$here/$seq.full
    # Check json metrics have appeared ... X metrics and Y values
    _filter_pmda_install <$tmp.out \
    | sed \
        -e '/^Waiting for pmcd/s/\.\.\.[. ]*$/DOTS/' \
        -e 's/[0-9][0-9]* warnings, //' \
    | $PCP_AWK_PROG '
/Check json metrics have appeared/    { if ($7 >= 20 && $7 <= 80) $7 = "X"
                                          if ($10 >= 0 && $10 <= 80) $10 = "Y"
                                        }
                                        { print }'
}

cleanup()
{
    if [ -f ${pmda_config}.$seq ]; then
	_restore_config ${pmda_config}
    fi
    _cleanup_pmda json
}

_prepare_pmda json
trap "cleanup; exit \$status" 0 1 2 3 15

# Save the JSON pmda config.
if [ -f ${pmda_config} ]; then
    _save_config ${pmda_config}
fi
# Create a new empty JSOM pmda config file and install it
cat > $tmp.pmda_config << EOF
{
    "directory_list" : [
    ]
}
EOF
$sudo mv $tmp.pmda_config ${pmda_config}

# real QA test starts here
pmdajson_install

# there may be a race if the pmda has a bit of a slow start ... pause
# 
sleep 3

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

pmdajson_remove
status=0
exit
