#!/bin/sh
# PCP QA Test No. 845
# Exercise the mounts PMDA Install/Remove and basic functionality.
#
# Copyright (c) 2015-2016 Red Hat.
#

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

. ./common.python

[ -d $PCP_PMDAS_DIR/mounts ] || _notrun "mounts PMDA directory is not installed"

[ $PCP_PLATFORM = mingw -o $PCP_PLATFORM = darwin ] && \
    _notrun "Test only valid on platforms with a mount table"

[ -n "$PCP_PYTHON_PROG" ] || _notrun "no acceptable python to run src/fsstats.python"

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

_filter_mounts()
{
    # cull some default mounts, non-deterministic values
    # all systems will have "/" and not "/not-here" so we
    # keep those, but /boot and /afs we'll filter out.
    #
    sed \
	-e '/\/boot/d' \
	-e '/\/afs/d' \
	-e 's/ value ".*"$/ value VALUE/g' \
	-e 's/ value [0-9.]*$/ value NUMBER/g' \
   #end
}

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

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

    echo
    echo "=== mounts agent installation ==="
    $sudo ./Install </dev/null >$tmp.out 2>&1
    cat $tmp.out >>$here/$seq.full
    # Check mounts metrics have appeared ... X metrics and Y values
    _filter_pmda_install <$tmp.out \
    | sed \
        -e 's/[0-9][0-9]* warnings, //' \
    | $PCP_AWK_PROG '
/Check mounts metrics have appeared/    { if ($7 = 4) $7 = "X"
                                          if ($10 = 4) $10 = "Y"
                                        }
                                        { print }'
}

_prepare_pmda mounts

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

_stop_auto_restart pmcd

# real QA test starts here
pmdamounts_install

echo "=== verify mounts values ===" | tee -a $here/$seq.full
if pminfo -f mounts > $tmp.info 2> $tmp.err
then
    rootdev=`pminfo -f mounts.device | grep '"/"' | awk '{ print $6 }'`
    echo "rootdev=$rootdev" >>$here/$seq.full
    eval $python $here/src/fsstats.python $rootdev "/" | \
    while read metric filesys mounts
    do
	_within_tolerance $metric $filesys $mounts 1% -v 	# allow +/-1%
    done
else
    echo "... failed! ... here is the Install log ..."
    cat $tmp.out
fi
cat $tmp.info $tmp.err | _filter_mounts

pmdamounts_remove
status=0
exit
