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|
#!/bin/sh
# PCP QA Test No. 1110
# Exercise the HAProxy PMDA - install, remove and values.
#
# Copyright (c) 2017 Red Hat.
#
seq=`basename $0`
echo "QA output created by $seq"
. ./common.python
$python -c "from pcp import pmda" >/dev/null 2>&1
[ $? -eq 0 ] || _notrun "python pcp pmda module not installed"
[ -f $PCP_PMDAS_DIR/haproxy/connect ] || _notrun "haproxy PMDA not installed"
# from the PMDA's Install script
eval `$PCP_PYTHON_PROG $PCP_PMDAS_DIR/haproxy/connect --config`
[ -n "$user" ] || _notrun "haproxy PMDA's connect script failed to set \$user"
[ -n "$socket" ] || _notrun "haproxy PMDA's connect script failed to set \$socket"
[ -S "$socket" ] && _notrun "haproxy stats socket already exists; haproxy service running?"
status=1 # failure is the default!
signal=$PCP_BINADM_DIR/pmsignal
# cull these "first time ever run" warnings ...
# [Wed Oct 9 09:07:50] pmdahaproxy(29369) Error: pmdaCacheOp: $PCP_VAR_DIR/config/pmda/145.0: empty file?
#
install_filter()
{
sed \
-e '/Error: pmdaCacheOp: .* empty file?/d' \
# end
}
pmda_filter()
{
sed \
-e "s/\[.* or /\[X or /g" \
#end
}
pmda_remove()
{
echo
echo "=== remove haproxy agent ==="
$sudo ./Remove >$tmp.out 2>&1
_filter_pmda_remove <$tmp.out
}
pmda_install()
{
# start from known starting points
cd $PCP_PMDAS_DIR/haproxy
$sudo ./Remove >/dev/null 2>&1
cat <<EOF >$tmp.config
[pmda]
user = $user
socket = $socket
EOF
echo "pmdahaproxy config:" >> $seq_full
cat $tmp.config >> $seq_full
[ -f $PCP_PMDAS_DIR/haproxy/haproxy.conf ] && \
$sudo cp $PCP_PMDAS_DIR/haproxy/haproxy.conf $tmp.backup
$sudo cp $tmp.config $PCP_PMDAS_DIR/haproxy/haproxy.conf
echo
echo "=== haproxy agent installation ==="
$sudo ./Install </dev/null >$tmp.out 2>&1
cat $tmp.out | _filter_pmda_install | install_filter
}
pmda_cleanup()
{
[ -n "$spid" ] && $sudo $signal -s KILL $spid >/dev/null 2>&1
$sudo rm -f $socket >/dev/null 2>&1
if [ -f $tmp.backup ]; then
$sudo cp $tmp.backup $PCP_PMDAS_DIR/haproxy/haproxy.conf
$sudo rm $tmp.backup
else
$sudo rm -f $PCP_PMDAS_DIR/haproxy/haproxy.conf
fi
# note: _restore_auto_restart pmcd done in _cleanup_pmda()
_cleanup_pmda haproxy
}
_prepare_pmda haproxy
trap "pmda_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmcd
# real QA test starts here
$sudo mkdir -p $(dirname $socket)
$sudo chmod 0755 $(dirname $socket)
$sudo $python $here/haproxy/haproxy_stats_server.python $socket &
spid=$($sudo $PCP_PS_PROG $PCP_PS_ALL_FLAGS 2>/dev/null \
| grep '/[p]ython' \
| $PCP_AWK_PROG '/\/haproxy\// {print $2}'
)
disown > /dev/null 2>&1 || :
pmsleep 0.5 # give server a chance to start
$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep -E '[P]PID|/[p]ython.*/haproxy/' >>$seq_full
echo "haproxy_stats_server pid: $spid" >>$seq_full
$sudo chcon system_u:object_r:haproxy_var_lib_t:s0 $(dirname $socket) $socket >/dev/null 2>&1 || :
pmda_install
echo
echo "=== report metric values ==="
metrics=`pminfo haproxy | LC_COLLATE=POSIX sort`
pminfo -dfmtT $metrics 2>&1 \
| $here/src/sortinst | pmda_filter | tee -a $seq_full
echo "=== verify metric values ==="
pminfo -v haproxy 2>&1 \
| $here/src/sortinst | pmda_filter | tee -a $seq_full
pmda_remove
status=0
exit
|
